Chapter 13. Installing a cluster on AWS in a restricted network with user-provisioned infrastructure
Chapter 13. Installing a cluster on AWS in a restricted network with user-provisioned infrastructure In OpenShift Container Platform version 4.15, you can install a cluster on Amazon Web Services (AWS) using infrastructure that you provide and an internal mirror of the installation release content. Important While you can install an OpenShift Container Platform cluster by using mirrored installation release content, your cluster still requires internet access to use the AWS APIs. One way to create this infrastructure is to use the provided CloudFormation templates. You can modify the templates to customize your infrastructure or use the information that they contain to create AWS objects according to your company's policies. Important The steps for performing a user-provisioned infrastructure installation are provided as an example only. Installing a cluster with infrastructure you provide requires knowledge of the cloud provider and the installation process of OpenShift Container Platform. Several CloudFormation templates are provided to assist in completing these steps or to help model your own. You are also free to create the required resources through other methods; the templates are just an example. 13.1. Prerequisites You reviewed details about the OpenShift Container Platform installation and update processes. You read the documentation on selecting a cluster installation method and preparing it for users . You created a mirror registry on your mirror host and obtained the imageContentSources data for your version of OpenShift Container Platform. Important Because the installation media is on the mirror host, you can use that computer to complete all installation steps. You configured an AWS account to host the cluster. Important If you have an AWS profile stored on your computer, it must not use a temporary session token that you generated while using a multi-factor authentication device. The cluster continues to use your current AWS credentials to create AWS resources for the entire life of the cluster, so you must use key-based, long-term credentials. To generate appropriate keys, see Managing Access Keys for IAM Users in the AWS documentation. You can supply the keys when you run the installation program. You downloaded the AWS CLI and installed it on your computer. See Install the AWS CLI Using the Bundled Installer (Linux, macOS, or Unix) in the AWS documentation. If you use a firewall and plan to use the Telemetry service, you configured the firewall to allow the sites that your cluster requires access to. Note Be sure to also review this site list if you are configuring a proxy. If the cloud identity and access management (IAM) APIs are not accessible in your environment, or if you do not want to store an administrator-level credential secret in the kube-system namespace, you can manually create and maintain long-term credentials . 13.2. About installations in restricted networks In OpenShift Container Platform 4.15, you can perform an installation that does not require an active connection to the internet to obtain software components. Restricted network installations can be completed using installer-provisioned infrastructure or user-provisioned infrastructure, depending on the cloud platform to which you are installing the cluster. If you choose to perform a restricted network installation on a cloud platform, you still require access to its cloud APIs. Some cloud functions, like Amazon Web Service's Route 53 DNS and IAM services, require internet access. Depending on your network, you might require less internet access for an installation on bare metal hardware, Nutanix, or on VMware vSphere. To complete a restricted network installation, you must create a registry that mirrors the contents of the OpenShift image registry and contains the installation media. You can create this registry on a mirror host, which can access both the internet and your closed network, or by using other methods that meet your restrictions. Important Because of the complexity of the configuration for user-provisioned installations, consider completing a standard user-provisioned infrastructure installation before you attempt a restricted network installation using user-provisioned infrastructure. Completing this test installation might make it easier to isolate and troubleshoot any issues that might arise during your installation in a restricted network. 13.2.1. Additional limits Clusters in restricted networks have the following additional limitations and restrictions: The ClusterVersion status includes an Unable to retrieve available updates error. By default, you cannot use the contents of the Developer Catalog because you cannot access the required image stream tags. 13.3. Internet access for OpenShift Container Platform In OpenShift Container Platform 4.15, you require access to the internet to obtain the images that are necessary to install your cluster. You must have internet access to: Access OpenShift Cluster Manager to download the installation program and perform subscription management. If the cluster has internet access and you do not disable Telemetry, that service automatically entitles your cluster. Access Quay.io to obtain the packages that are required to install your cluster. Obtain the packages that are required to perform cluster updates. 13.4. Requirements for a cluster with user-provisioned infrastructure For a cluster that contains user-provisioned infrastructure, you must deploy all of the required machines. This section describes the requirements for deploying OpenShift Container Platform on user-provisioned infrastructure. 13.4.1. Required machines for cluster installation The smallest OpenShift Container Platform clusters require the following hosts: Table 13.1. Minimum required hosts Hosts Description One temporary bootstrap machine The cluster requires the bootstrap machine to deploy the OpenShift Container Platform cluster on the three control plane machines. You can remove the bootstrap machine after you install the cluster. Three control plane machines The control plane machines run the Kubernetes and OpenShift Container Platform services that form the control plane. At least two compute machines, which are also known as worker machines. The workloads requested by OpenShift Container Platform users run on the compute machines. Important To maintain high availability of your cluster, use separate physical hosts for these cluster machines. The bootstrap and control plane machines must use Red Hat Enterprise Linux CoreOS (RHCOS) as the operating system. However, the compute machines can choose between Red Hat Enterprise Linux CoreOS (RHCOS), Red Hat Enterprise Linux (RHEL) 8.6 and later. Note that RHCOS is based on Red Hat Enterprise Linux (RHEL) 9.2 and inherits all of its hardware certifications and requirements. See Red Hat Enterprise Linux technology capabilities and limits . 13.4.2. Minimum resource requirements for cluster installation Each cluster machine must meet the following minimum requirements: Table 13.2. Minimum resource requirements Machine Operating System vCPU [1] Virtual RAM Storage Input/Output Per Second (IOPS) [2] Bootstrap RHCOS 4 16 GB 100 GB 300 Control plane RHCOS 4 16 GB 100 GB 300 Compute RHCOS, RHEL 8.6 and later [3] 2 8 GB 100 GB 300 One vCPU is equivalent to one physical core when simultaneous multithreading (SMT), or Hyper-Threading, is not enabled. When enabled, use the following formula to calculate the corresponding ratio: (threads per core x cores) x sockets = vCPUs. OpenShift Container Platform and Kubernetes are sensitive to disk performance, and faster storage is recommended, particularly for etcd on the control plane nodes which require a 10 ms p99 fsync duration. Note that on many cloud platforms, storage size and IOPS scale together, so you might need to over-allocate storage volume to obtain sufficient performance. As with all user-provisioned installations, if you choose to use RHEL compute machines in your cluster, you take responsibility for all operating system life cycle management and maintenance, including performing system updates, applying patches, and completing all other required tasks. Use of RHEL 7 compute machines is deprecated and has been removed in OpenShift Container Platform 4.10 and later. Note As of OpenShift Container Platform version 4.13, RHCOS is based on RHEL version 9.2, which updates the micro-architecture requirements. The following list contains the minimum instruction set architectures (ISA) that each architecture requires: x86-64 architecture requires x86-64-v2 ISA ARM64 architecture requires ARMv8.0-A ISA IBM Power architecture requires Power 9 ISA s390x architecture requires z14 ISA For more information, see Architectures (RHEL documentation). If an instance type for your platform meets the minimum requirements for cluster machines, it is supported to use in OpenShift Container Platform. Additional resources Optimizing storage 13.4.3. Tested instance types for AWS The following Amazon Web Services (AWS) instance types have been tested with OpenShift Container Platform. Note Use the machine types included in the following charts for your AWS instances. If you use an instance type that is not listed in the chart, ensure that the instance size you use matches the minimum resource requirements that are listed in the section named "Minimum resource requirements for cluster installation". Example 13.1. Machine types based on 64-bit x86 architecture c4.* c5.* c5a.* i3.* m4.* m5.* m5a.* m6i.* r4.* r5.* r5a.* r6i.* t3.* t3a.* 13.4.4. Tested instance types for AWS on 64-bit ARM infrastructures The following Amazon Web Services (AWS) 64-bit ARM instance types have been tested with OpenShift Container Platform. Note Use the machine types included in the following charts for your AWS ARM instances. If you use an instance type that is not listed in the chart, ensure that the instance size you use matches the minimum resource requirements that are listed in "Minimum resource requirements for cluster installation". Example 13.2. Machine types based on 64-bit ARM architecture c6g.* m6g.* r8g.* 13.4.5. Certificate signing requests management Because your cluster has limited access to automatic machine management when you use infrastructure that you provision, you must provide a mechanism for approving cluster certificate signing requests (CSRs) after installation. The kube-controller-manager only approves the kubelet client CSRs. The machine-approver cannot guarantee the validity of a serving certificate that is requested by using kubelet credentials because it cannot confirm that the correct machine issued the request. You must determine and implement a method of verifying the validity of the kubelet serving certificate requests and approving them. 13.5. Required AWS infrastructure components To install OpenShift Container Platform on user-provisioned infrastructure in Amazon Web Services (AWS), you must manually create both the machines and their supporting infrastructure. For more information about the integration testing for different platforms, see the OpenShift Container Platform 4.x Tested Integrations page. By using the provided CloudFormation templates, you can create stacks of AWS resources that represent the following components: An AWS Virtual Private Cloud (VPC) Networking and load balancing components Security groups and roles An OpenShift Container Platform bootstrap node OpenShift Container Platform control plane nodes An OpenShift Container Platform compute node Alternatively, you can manually create the components or you can reuse existing infrastructure that meets the cluster requirements. Review the CloudFormation templates for more details about how the components interrelate. 13.5.1. Other infrastructure components A VPC DNS entries Load balancers (classic or network) and listeners A public and a private Route 53 zone Security groups IAM roles S3 buckets If you are working in a disconnected environment, you are unable to reach the public IP addresses for EC2, ELB, and S3 endpoints. Depending on the level to which you want to restrict internet traffic during the installation, the following configuration options are available: Option 1: Create VPC endpoints Create a VPC endpoint and attach it to the subnets that the clusters are using. Name the endpoints as follows: ec2.<aws_region>.amazonaws.com elasticloadbalancing.<aws_region>.amazonaws.com s3.<aws_region>.amazonaws.com With this option, network traffic remains private between your VPC and the required AWS services. Option 2: Create a proxy without VPC endpoints As part of the installation process, you can configure an HTTP or HTTPS proxy. With this option, internet traffic goes through the proxy to reach the required AWS services. Option 3: Create a proxy with VPC endpoints As part of the installation process, you can configure an HTTP or HTTPS proxy with VPC endpoints. Create a VPC endpoint and attach it to the subnets that the clusters are using. Name the endpoints as follows: ec2.<aws_region>.amazonaws.com elasticloadbalancing.<aws_region>.amazonaws.com s3.<aws_region>.amazonaws.com When configuring the proxy in the install-config.yaml file, add these endpoints to the noProxy field. With this option, the proxy prevents the cluster from accessing the internet directly. However, network traffic remains private between your VPC and the required AWS services. Required VPC components You must provide a suitable VPC and subnets that allow communication to your machines. Component AWS type Description VPC AWS::EC2::VPC AWS::EC2::VPCEndpoint You must provide a public VPC for the cluster to use. The VPC uses an endpoint that references the route tables for each subnet to improve communication with the registry that is hosted in S3. Public subnets AWS::EC2::Subnet AWS::EC2::SubnetNetworkAclAssociation Your VPC must have public subnets for between 1 and 3 availability zones and associate them with appropriate Ingress rules. Internet gateway AWS::EC2::InternetGateway AWS::EC2::VPCGatewayAttachment AWS::EC2::RouteTable AWS::EC2::Route AWS::EC2::SubnetRouteTableAssociation AWS::EC2::NatGateway AWS::EC2::EIP You must have a public internet gateway, with public routes, attached to the VPC. In the provided templates, each public subnet has a NAT gateway with an EIP address. These NAT gateways allow cluster resources, like private subnet instances, to reach the internet and are not required for some restricted network or proxy scenarios. Network access control AWS::EC2::NetworkAcl AWS::EC2::NetworkAclEntry You must allow the VPC to access the following ports: Port Reason 80 Inbound HTTP traffic 443 Inbound HTTPS traffic 22 Inbound SSH traffic 1024 - 65535 Inbound ephemeral traffic 0 - 65535 Outbound ephemeral traffic Private subnets AWS::EC2::Subnet AWS::EC2::RouteTable AWS::EC2::SubnetRouteTableAssociation Your VPC can have private subnets. The provided CloudFormation templates can create private subnets for between 1 and 3 availability zones. If you use private subnets, you must provide appropriate routes and tables for them. Required DNS and load balancing components Your DNS and load balancer configuration needs to use a public hosted zone and can use a private hosted zone similar to the one that the installation program uses if it provisions the cluster's infrastructure. You must create a DNS entry that resolves to your load balancer. An entry for api.<cluster_name>.<domain> must point to the external load balancer, and an entry for api-int.<cluster_name>.<domain> must point to the internal load balancer. The cluster also requires load balancers and listeners for port 6443, which are required for the Kubernetes API and its extensions, and port 22623, which are required for the Ignition config files for new machines. The targets will be the control plane nodes. Port 6443 must be accessible to both clients external to the cluster and nodes within the cluster. Port 22623 must be accessible to nodes within the cluster. Component AWS type Description DNS AWS::Route53::HostedZone The hosted zone for your internal DNS. Public load balancer AWS::ElasticLoadBalancingV2::LoadBalancer The load balancer for your public subnets. External API server record AWS::Route53::RecordSetGroup Alias records for the external API server. External listener AWS::ElasticLoadBalancingV2::Listener A listener on port 6443 for the external load balancer. External target group AWS::ElasticLoadBalancingV2::TargetGroup The target group for the external load balancer. Private load balancer AWS::ElasticLoadBalancingV2::LoadBalancer The load balancer for your private subnets. Internal API server record AWS::Route53::RecordSetGroup Alias records for the internal API server. Internal listener AWS::ElasticLoadBalancingV2::Listener A listener on port 22623 for the internal load balancer. Internal target group AWS::ElasticLoadBalancingV2::TargetGroup The target group for the internal load balancer. Internal listener AWS::ElasticLoadBalancingV2::Listener A listener on port 6443 for the internal load balancer. Internal target group AWS::ElasticLoadBalancingV2::TargetGroup The target group for the internal load balancer. Security groups The control plane and worker machines require access to the following ports: Group Type IP Protocol Port range MasterSecurityGroup AWS::EC2::SecurityGroup icmp 0 tcp 22 tcp 6443 tcp 22623 WorkerSecurityGroup AWS::EC2::SecurityGroup icmp 0 tcp 22 BootstrapSecurityGroup AWS::EC2::SecurityGroup tcp 22 tcp 19531 Control plane Ingress The control plane machines require the following Ingress groups. Each Ingress group is a AWS::EC2::SecurityGroupIngress resource. Ingress group Description IP protocol Port range MasterIngressEtcd etcd tcp 2379 - 2380 MasterIngressVxlan Vxlan packets udp 4789 MasterIngressWorkerVxlan Vxlan packets udp 4789 MasterIngressInternal Internal cluster communication and Kubernetes proxy metrics tcp 9000 - 9999 MasterIngressWorkerInternal Internal cluster communication tcp 9000 - 9999 MasterIngressKube Kubernetes kubelet, scheduler and controller manager tcp 10250 - 10259 MasterIngressWorkerKube Kubernetes kubelet, scheduler and controller manager tcp 10250 - 10259 MasterIngressIngressServices Kubernetes Ingress services tcp 30000 - 32767 MasterIngressWorkerIngressServices Kubernetes Ingress services tcp 30000 - 32767 MasterIngressGeneve Geneve packets udp 6081 MasterIngressWorkerGeneve Geneve packets udp 6081 MasterIngressIpsecIke IPsec IKE packets udp 500 MasterIngressWorkerIpsecIke IPsec IKE packets udp 500 MasterIngressIpsecNat IPsec NAT-T packets udp 4500 MasterIngressWorkerIpsecNat IPsec NAT-T packets udp 4500 MasterIngressIpsecEsp IPsec ESP packets 50 All MasterIngressWorkerIpsecEsp IPsec ESP packets 50 All MasterIngressInternalUDP Internal cluster communication udp 9000 - 9999 MasterIngressWorkerInternalUDP Internal cluster communication udp 9000 - 9999 MasterIngressIngressServicesUDP Kubernetes Ingress services udp 30000 - 32767 MasterIngressWorkerIngressServicesUDP Kubernetes Ingress services udp 30000 - 32767 Worker Ingress The worker machines require the following Ingress groups. Each Ingress group is a AWS::EC2::SecurityGroupIngress resource. Ingress group Description IP protocol Port range WorkerIngressVxlan Vxlan packets udp 4789 WorkerIngressWorkerVxlan Vxlan packets udp 4789 WorkerIngressInternal Internal cluster communication tcp 9000 - 9999 WorkerIngressWorkerInternal Internal cluster communication tcp 9000 - 9999 WorkerIngressKube Kubernetes kubelet, scheduler, and controller manager tcp 10250 WorkerIngressWorkerKube Kubernetes kubelet, scheduler, and controller manager tcp 10250 WorkerIngressIngressServices Kubernetes Ingress services tcp 30000 - 32767 WorkerIngressWorkerIngressServices Kubernetes Ingress services tcp 30000 - 32767 WorkerIngressGeneve Geneve packets udp 6081 WorkerIngressMasterGeneve Geneve packets udp 6081 WorkerIngressIpsecIke IPsec IKE packets udp 500 WorkerIngressMasterIpsecIke IPsec IKE packets udp 500 WorkerIngressIpsecNat IPsec NAT-T packets udp 4500 WorkerIngressMasterIpsecNat IPsec NAT-T packets udp 4500 WorkerIngressIpsecEsp IPsec ESP packets 50 All WorkerIngressMasterIpsecEsp IPsec ESP packets 50 All WorkerIngressInternalUDP Internal cluster communication udp 9000 - 9999 WorkerIngressMasterInternalUDP Internal cluster communication udp 9000 - 9999 WorkerIngressIngressServicesUDP Kubernetes Ingress services udp 30000 - 32767 WorkerIngressMasterIngressServicesUDP Kubernetes Ingress services udp 30000 - 32767 Roles and instance profiles You must grant the machines permissions in AWS. The provided CloudFormation templates grant the machines Allow permissions for the following AWS::IAM::Role objects and provide a AWS::IAM::InstanceProfile for each set of roles. If you do not use the templates, you can grant the machines the following broad permissions or the following individual permissions. Role Effect Action Resource Master Allow ec2:* * Allow elasticloadbalancing:* * Allow iam:PassRole * Allow s3:GetObject * Worker Allow ec2:Describe* * Bootstrap Allow ec2:Describe* * Allow ec2:AttachVolume * Allow ec2:DetachVolume * 13.5.2. Cluster machines You need AWS::EC2::Instance objects for the following machines: A bootstrap machine. This machine is required during installation, but you can remove it after your cluster deploys. Three control plane machines. The control plane machines are not governed by a control plane machine set. Compute machines. You must create at least two compute machines, which are also known as worker machines, during installation. These machines are not governed by a compute machine set. 13.5.3. Required AWS permissions for the IAM user Note Your IAM user must have the permission tag:GetResources in the region us-east-1 to delete the base cluster resources. As part of the AWS API requirement, the OpenShift Container Platform installation program performs various actions in this region. When you attach the AdministratorAccess policy to the IAM user that you create in Amazon Web Services (AWS), you grant that user all of the required permissions. To deploy all components of an OpenShift Container Platform cluster, the IAM user requires the following permissions: Example 13.3. Required EC2 permissions for installation ec2:AttachNetworkInterface ec2:AuthorizeSecurityGroupEgress ec2:AuthorizeSecurityGroupIngress ec2:CopyImage ec2:CreateNetworkInterface ec2:CreateSecurityGroup ec2:CreateTags ec2:CreateVolume ec2:DeleteSecurityGroup ec2:DeleteSnapshot ec2:DeleteTags ec2:DeregisterImage ec2:DescribeAccountAttributes ec2:DescribeAddresses ec2:DescribeAvailabilityZones ec2:DescribeDhcpOptions ec2:DescribeImages ec2:DescribeInstanceAttribute ec2:DescribeInstanceCreditSpecifications ec2:DescribeInstances ec2:DescribeInstanceTypes ec2:DescribeInternetGateways ec2:DescribeKeyPairs ec2:DescribeNatGateways ec2:DescribeNetworkAcls ec2:DescribeNetworkInterfaces ec2:DescribePrefixLists ec2:DescribeRegions ec2:DescribeRouteTables ec2:DescribeSecurityGroupRules ec2:DescribeSecurityGroups ec2:DescribeSubnets ec2:DescribeTags ec2:DescribeVolumes ec2:DescribeVpcAttribute ec2:DescribeVpcClassicLink ec2:DescribeVpcClassicLinkDnsSupport ec2:DescribeVpcEndpoints ec2:DescribeVpcs ec2:GetEbsDefaultKmsKeyId ec2:ModifyInstanceAttribute ec2:ModifyNetworkInterfaceAttribute ec2:RevokeSecurityGroupEgress ec2:RevokeSecurityGroupIngress ec2:RunInstances ec2:TerminateInstances Example 13.4. Required permissions for creating network resources during installation ec2:AllocateAddress ec2:AssociateAddress ec2:AssociateDhcpOptions ec2:AssociateRouteTable ec2:AttachInternetGateway ec2:CreateDhcpOptions ec2:CreateInternetGateway ec2:CreateNatGateway ec2:CreateRoute ec2:CreateRouteTable ec2:CreateSubnet ec2:CreateVpc ec2:CreateVpcEndpoint ec2:ModifySubnetAttribute ec2:ModifyVpcAttribute Note If you use an existing Virtual Private Cloud (VPC), your account does not require these permissions for creating network resources. Example 13.5. Required Elastic Load Balancing permissions (ELB) for installation elasticloadbalancing:AddTags elasticloadbalancing:ApplySecurityGroupsToLoadBalancer elasticloadbalancing:AttachLoadBalancerToSubnets elasticloadbalancing:ConfigureHealthCheck elasticloadbalancing:CreateListener elasticloadbalancing:CreateLoadBalancer elasticloadbalancing:CreateLoadBalancerListeners elasticloadbalancing:CreateTargetGroup elasticloadbalancing:DeleteLoadBalancer elasticloadbalancing:DeregisterInstancesFromLoadBalancer elasticloadbalancing:DeregisterTargets elasticloadbalancing:DescribeInstanceHealth elasticloadbalancing:DescribeListeners elasticloadbalancing:DescribeLoadBalancerAttributes elasticloadbalancing:DescribeLoadBalancers elasticloadbalancing:DescribeTags elasticloadbalancing:DescribeTargetGroupAttributes elasticloadbalancing:DescribeTargetHealth elasticloadbalancing:ModifyLoadBalancerAttributes elasticloadbalancing:ModifyTargetGroup elasticloadbalancing:ModifyTargetGroupAttributes elasticloadbalancing:RegisterInstancesWithLoadBalancer elasticloadbalancing:RegisterTargets elasticloadbalancing:SetLoadBalancerPoliciesOfListener Important OpenShift Container Platform uses both the ELB and ELBv2 API services to provision load balancers. The permission list shows permissions required by both services. A known issue exists in the AWS web console where both services use the same elasticloadbalancing action prefix but do not recognize the same actions. You can ignore the warnings about the service not recognizing certain elasticloadbalancing actions. Example 13.6. Required IAM permissions for installation iam:AddRoleToInstanceProfile iam:CreateInstanceProfile iam:CreateRole iam:DeleteInstanceProfile iam:DeleteRole iam:DeleteRolePolicy iam:GetInstanceProfile iam:GetRole iam:GetRolePolicy iam:GetUser iam:ListInstanceProfilesForRole iam:ListRoles iam:ListUsers iam:PassRole iam:PutRolePolicy iam:RemoveRoleFromInstanceProfile iam:SimulatePrincipalPolicy iam:TagInstanceProfile iam:TagRole Note If you have not created a load balancer in your AWS account, the IAM user also requires the iam:CreateServiceLinkedRole permission. Example 13.7. Required Route 53 permissions for installation route53:ChangeResourceRecordSets route53:ChangeTagsForResource route53:CreateHostedZone route53:DeleteHostedZone route53:GetChange route53:GetHostedZone route53:ListHostedZones route53:ListHostedZonesByName route53:ListResourceRecordSets route53:ListTagsForResource route53:UpdateHostedZoneComment Example 13.8. Required Amazon Simple Storage Service (S3) permissions for installation s3:CreateBucket s3:DeleteBucket s3:GetAccelerateConfiguration s3:GetBucketAcl s3:GetBucketCors s3:GetBucketLocation s3:GetBucketLogging s3:GetBucketObjectLockConfiguration s3:GetBucketPolicy s3:GetBucketRequestPayment s3:GetBucketTagging s3:GetBucketVersioning s3:GetBucketWebsite s3:GetEncryptionConfiguration s3:GetLifecycleConfiguration s3:GetReplicationConfiguration s3:ListBucket s3:PutBucketAcl s3:PutBucketTagging s3:PutEncryptionConfiguration Example 13.9. S3 permissions that cluster Operators require s3:DeleteObject s3:GetObject s3:GetObjectAcl s3:GetObjectTagging s3:GetObjectVersion s3:PutObject s3:PutObjectAcl s3:PutObjectTagging Example 13.10. Required permissions to delete base cluster resources autoscaling:DescribeAutoScalingGroups ec2:DeleteNetworkInterface ec2:DeletePlacementGroup ec2:DeleteVolume elasticloadbalancing:DeleteTargetGroup elasticloadbalancing:DescribeTargetGroups iam:DeleteAccessKey iam:DeleteUser iam:DeleteUserPolicy iam:ListAttachedRolePolicies iam:ListInstanceProfiles iam:ListRolePolicies iam:ListUserPolicies s3:DeleteObject s3:ListBucketVersions tag:GetResources Example 13.11. Required permissions to delete network resources ec2:DeleteDhcpOptions ec2:DeleteInternetGateway ec2:DeleteNatGateway ec2:DeleteRoute ec2:DeleteRouteTable ec2:DeleteSubnet ec2:DeleteVpc ec2:DeleteVpcEndpoints ec2:DetachInternetGateway ec2:DisassociateRouteTable ec2:ReleaseAddress ec2:ReplaceRouteTableAssociation Note If you use an existing VPC, your account does not require these permissions to delete network resources. Instead, your account only requires the tag:UntagResources permission to delete network resources. Example 13.12. Optional permissions for installing a cluster with a custom Key Management Service (KMS) key kms:CreateGrant kms:Decrypt kms:DescribeKey kms:Encrypt kms:GenerateDataKey kms:GenerateDataKeyWithoutPlainText kms:ListGrants kms:RevokeGrant Example 13.13. Required permissions to delete a cluster with shared instance roles iam:UntagRole Example 13.14. Additional IAM and S3 permissions that are required to create manifests iam:GetUserPolicy iam:ListAccessKeys iam:PutUserPolicy iam:TagUser s3:AbortMultipartUpload s3:GetBucketPublicAccessBlock s3:ListBucket s3:ListBucketMultipartUploads s3:PutBucketPublicAccessBlock s3:PutLifecycleConfiguration Note If you are managing your cloud provider credentials with mint mode, the IAM user also requires the iam:CreateAccessKey and iam:CreateUser permissions. Example 13.15. Optional permissions for instance and quota checks for installation ec2:DescribeInstanceTypeOfferings servicequotas:ListAWSDefaultServiceQuotas Example 13.16. Optional permissions for the cluster owner account when installing a cluster on a shared VPC sts:AssumeRole 13.6. Generating a key pair for cluster node SSH access During an OpenShift Container Platform installation, you can provide an SSH public key to the installation program. The key is passed to the Red Hat Enterprise Linux CoreOS (RHCOS) nodes through their Ignition config files and is used to authenticate SSH access to the nodes. The key is added to the ~/.ssh/authorized_keys list for the core user on each node, which enables password-less authentication. After the key is passed to the nodes, you can use the key pair to SSH in to the RHCOS nodes as the user core . To access the nodes through SSH, the private key identity must be managed by SSH for your local user. If you want to SSH in to your cluster nodes to perform installation debugging or disaster recovery, you must provide the SSH public key during the installation process. The ./openshift-install gather command also requires the SSH public key to be in place on the cluster nodes. Important Do not skip this procedure in production environments, where disaster recovery and debugging is required. Note You must use a local key, not one that you configured with platform-specific approaches such as AWS key pairs . Procedure If you do not have an existing SSH key pair on your local machine to use for authentication onto your cluster nodes, create one. For example, on a computer that uses a Linux operating system, run the following command: USD ssh-keygen -t ed25519 -N '' -f <path>/<file_name> 1 1 Specify the path and file name, such as ~/.ssh/id_ed25519 , of the new SSH key. If you have an existing key pair, ensure your public key is in the your ~/.ssh directory. Note If you plan to install an OpenShift Container Platform cluster that uses the RHEL cryptographic libraries that have been submitted to NIST for FIPS 140-2/140-3 Validation on only the x86_64 , ppc64le , and s390x architectures, do not create a key that uses the ed25519 algorithm. Instead, create a key that uses the rsa or ecdsa algorithm. View the public SSH key: USD cat <path>/<file_name>.pub For example, run the following to view the ~/.ssh/id_ed25519.pub public key: USD cat ~/.ssh/id_ed25519.pub Add the SSH private key identity to the SSH agent for your local user, if it has not already been added. SSH agent management of the key is required for password-less SSH authentication onto your cluster nodes, or if you want to use the ./openshift-install gather command. Note On some distributions, default SSH private key identities such as ~/.ssh/id_rsa and ~/.ssh/id_dsa are managed automatically. If the ssh-agent process is not already running for your local user, start it as a background task: USD eval "USD(ssh-agent -s)" Example output Agent pid 31874 Note If your cluster is in FIPS mode, only use FIPS-compliant algorithms to generate the SSH key. The key must be either RSA or ECDSA. Add your SSH private key to the ssh-agent : USD ssh-add <path>/<file_name> 1 1 Specify the path and file name for your SSH private key, such as ~/.ssh/id_ed25519 Example output Identity added: /home/<you>/<path>/<file_name> (<computer_name>) steps When you install OpenShift Container Platform, provide the SSH public key to the installation program. If you install a cluster on infrastructure that you provision, you must provide the key to the installation program. 13.7. Creating the installation files for AWS To install OpenShift Container Platform on Amazon Web Services (AWS) using user-provisioned infrastructure, you must generate the files that the installation program needs to deploy your cluster and modify them so that the cluster creates only the machines that it will use. You generate and customize the install-config.yaml file, Kubernetes manifests, and Ignition config files. You also have the option to first set up a separate var partition during the preparation phases of installation. 13.7.1. Optional: Creating a separate /var partition It is recommended that disk partitioning for OpenShift Container Platform be left to the installer. However, there are cases where you might want to create separate partitions in a part of the filesystem that you expect to grow. OpenShift Container Platform supports the addition of a single partition to attach storage to either the /var partition or a subdirectory of /var . For example: /var/lib/containers : Holds container-related content that can grow as more images and containers are added to a system. /var/lib/etcd : Holds data that you might want to keep separate for purposes such as performance optimization of etcd storage. /var : Holds data that you might want to keep separate for purposes such as auditing. Storing the contents of a /var directory separately makes it easier to grow storage for those areas as needed and reinstall OpenShift Container Platform at a later date and keep that data intact. With this method, you will not have to pull all your containers again, nor will you have to copy massive log files when you update systems. Because /var must be in place before a fresh installation of Red Hat Enterprise Linux CoreOS (RHCOS), the following procedure sets up the separate /var partition by creating a machine config manifest that is inserted during the openshift-install preparation phases of an OpenShift Container Platform installation. Important If you follow the steps to create a separate /var partition in this procedure, it is not necessary to create the Kubernetes manifest and Ignition config files again as described later in this section. Procedure Create a directory to hold the OpenShift Container Platform installation files: USD mkdir USDHOME/clusterconfig Run openshift-install to create a set of files in the manifest and openshift subdirectories. Answer the system questions as you are prompted: USD openshift-install create manifests --dir USDHOME/clusterconfig Example output ? SSH Public Key ... INFO Credentials loaded from the "myprofile" profile in file "/home/myuser/.aws/credentials" INFO Consuming Install Config from target directory INFO Manifests created in: USDHOME/clusterconfig/manifests and USDHOME/clusterconfig/openshift Optional: Confirm that the installation program created manifests in the clusterconfig/openshift directory: USD ls USDHOME/clusterconfig/openshift/ Example output 99_kubeadmin-password-secret.yaml 99_openshift-cluster-api_master-machines-0.yaml 99_openshift-cluster-api_master-machines-1.yaml 99_openshift-cluster-api_master-machines-2.yaml ... Create a Butane config that configures the additional partition. For example, name the file USDHOME/clusterconfig/98-var-partition.bu , change the disk device name to the name of the storage device on the worker systems, and set the storage size as appropriate. This example places the /var directory on a separate partition: variant: openshift version: 4.15.0 metadata: labels: machineconfiguration.openshift.io/role: worker name: 98-var-partition storage: disks: - device: /dev/disk/by-id/<device_name> 1 partitions: - label: var start_mib: <partition_start_offset> 2 size_mib: <partition_size> 3 number: 5 filesystems: - device: /dev/disk/by-partlabel/var path: /var format: xfs mount_options: [defaults, prjquota] 4 with_mount_unit: true 1 The storage device name of the disk that you want to partition. 2 When adding a data partition to the boot disk, a minimum value of 25000 MiB (Mebibytes) is recommended. The root file system is automatically resized to fill all available space up to the specified offset. If no value is specified, or if the specified value is smaller than the recommended minimum, the resulting root file system will be too small, and future reinstalls of RHCOS might overwrite the beginning of the data partition. 3 The size of the data partition in mebibytes. 4 The prjquota mount option must be enabled for filesystems used for container storage. Note When creating a separate /var partition, you cannot use different instance types for worker nodes, if the different instance types do not have the same device name. Create a manifest from the Butane config and save it to the clusterconfig/openshift directory. For example, run the following command: USD butane USDHOME/clusterconfig/98-var-partition.bu -o USDHOME/clusterconfig/openshift/98-var-partition.yaml Run openshift-install again to create Ignition configs from a set of files in the manifest and openshift subdirectories: USD openshift-install create ignition-configs --dir USDHOME/clusterconfig USD ls USDHOME/clusterconfig/ auth bootstrap.ign master.ign metadata.json worker.ign Now you can use the Ignition config files as input to the installation procedures to install Red Hat Enterprise Linux CoreOS (RHCOS) systems. 13.7.2. Creating the installation configuration file Generate and customize the installation configuration file that the installation program needs to deploy your cluster. Prerequisites You obtained the OpenShift Container Platform installation program for user-provisioned infrastructure and the pull secret for your cluster. For a restricted network installation, these files are on your mirror host. You checked that you are deploying your cluster to an AWS Region with an accompanying Red Hat Enterprise Linux CoreOS (RHCOS) AMI published by Red Hat. If you are deploying to an AWS Region that requires a custom AMI, such as an AWS GovCloud Region, you must create the install-config.yaml file manually. Procedure Create the install-config.yaml file. Change to the directory that contains the installation program and run the following command: USD ./openshift-install create install-config --dir <installation_directory> 1 1 For <installation_directory> , specify the directory name to store the files that the installation program creates. Important Specify an empty directory. Some installation assets, like bootstrap X.509 certificates have short expiration intervals, so you must not reuse an installation directory. If you want to reuse individual files from another cluster installation, you can copy them into your directory. However, the file names for the installation assets might change between releases. Use caution when copying installation files from an earlier OpenShift Container Platform version. At the prompts, provide the configuration details for your cloud: Optional: Select an SSH key to use to access your cluster machines. Note For production OpenShift Container Platform clusters on which you want to perform installation debugging or disaster recovery, specify an SSH key that your ssh-agent process uses. Select aws as the platform to target. If you do not have an AWS profile stored on your computer, enter the AWS access key ID and secret access key for the user that you configured to run the installation program. Note The AWS access key ID and secret access key are stored in ~/.aws/credentials in the home directory of the current user on the installation host. You are prompted for the credentials by the installation program if the credentials for the exported profile are not present in the file. Any credentials that you provide to the installation program are stored in the file. Select the AWS Region to deploy the cluster to. Select the base domain for the Route 53 service that you configured for your cluster. Enter a descriptive name for your cluster. Paste the pull secret from Red Hat OpenShift Cluster Manager . Edit the install-config.yaml file to give the additional information that is required for an installation in a restricted network. Update the pullSecret value to contain the authentication information for your registry: pullSecret: '{"auths":{"<local_registry>": {"auth": "<credentials>","email": "you@example.com"}}}' For <local_registry> , specify the registry domain name, and optionally the port, that your mirror registry uses to serve content. For example registry.example.com or registry.example.com:5000 . For <credentials> , specify the base64-encoded user name and password for your mirror registry. Add the additionalTrustBundle parameter and value. The value must be the contents of the certificate file that you used for your mirror registry. The certificate file can be an existing, trusted certificate authority or the self-signed certificate that you generated for the mirror registry. additionalTrustBundle: | -----BEGIN CERTIFICATE----- ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ -----END CERTIFICATE----- Add the image content resources: imageContentSources: - mirrors: - <local_registry>/<local_repository_name>/release source: quay.io/openshift-release-dev/ocp-release - mirrors: - <local_registry>/<local_repository_name>/release source: quay.io/openshift-release-dev/ocp-v4.0-art-dev Use the imageContentSources section from the output of the command to mirror the repository or the values that you used when you mirrored the content from the media that you brought into your restricted network. Optional: Set the publishing strategy to Internal : publish: Internal By setting this option, you create an internal Ingress Controller and a private load balancer. Optional: Back up the install-config.yaml file. Important The install-config.yaml file is consumed during the installation process. If you want to reuse the file, you must back it up now. Additional resources See Configuration and credential file settings in the AWS documentation for more information about AWS profile and credential configuration. 13.7.3. Configuring the cluster-wide proxy during installation Production environments can deny direct access to the internet and instead have an HTTP or HTTPS proxy available. You can configure a new OpenShift Container Platform cluster to use a proxy by configuring the proxy settings in the install-config.yaml file. Prerequisites You have an existing install-config.yaml file. You reviewed the sites that your cluster requires access to and determined whether any of them need to bypass the proxy. By default, all cluster egress traffic is proxied, including calls to hosting cloud provider APIs. You added sites to the Proxy object's spec.noProxy field to bypass the proxy if necessary. Note The Proxy object status.noProxy field is populated with the values of the networking.machineNetwork[].cidr , networking.clusterNetwork[].cidr , and networking.serviceNetwork[] fields from your installation configuration. For installations on Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure, and Red Hat OpenStack Platform (RHOSP), the Proxy object status.noProxy field is also populated with the instance metadata endpoint ( 169.254.169.254 ). Procedure Edit your install-config.yaml file and add the proxy settings. For example: apiVersion: v1 baseDomain: my.domain.com proxy: httpProxy: http://<username>:<pswd>@<ip>:<port> 1 httpsProxy: https://<username>:<pswd>@<ip>:<port> 2 noProxy: ec2.<aws_region>.amazonaws.com,elasticloadbalancing.<aws_region>.amazonaws.com,s3.<aws_region>.amazonaws.com 3 additionalTrustBundle: | 4 -----BEGIN CERTIFICATE----- <MY_TRUSTED_CA_CERT> -----END CERTIFICATE----- additionalTrustBundlePolicy: <policy_to_add_additionalTrustBundle> 5 1 A proxy URL to use for creating HTTP connections outside the cluster. The URL scheme must be http . 2 A proxy URL to use for creating HTTPS connections outside the cluster. 3 A comma-separated list of destination domain names, IP addresses, or other network CIDRs to exclude from proxying. Preface a domain with . to match subdomains only. For example, .y.com matches x.y.com , but not y.com . Use * to bypass the proxy for all destinations. If you have added the Amazon EC2 , Elastic Load Balancing , and S3 VPC endpoints to your VPC, you must add these endpoints to the noProxy field. 4 If provided, the installation program generates a config map that is named user-ca-bundle in the openshift-config namespace that contains one or more additional CA certificates that are required for proxying HTTPS connections. The Cluster Network Operator then creates a trusted-ca-bundle config map that merges these contents with the Red Hat Enterprise Linux CoreOS (RHCOS) trust bundle, and this config map is referenced in the trustedCA field of the Proxy object. The additionalTrustBundle field is required unless the proxy's identity certificate is signed by an authority from the RHCOS trust bundle. 5 Optional: The policy to determine the configuration of the Proxy object to reference the user-ca-bundle config map in the trustedCA field. The allowed values are Proxyonly and Always . Use Proxyonly to reference the user-ca-bundle config map only when http/https proxy is configured. Use Always to always reference the user-ca-bundle config map. The default value is Proxyonly . Note The installation program does not support the proxy readinessEndpoints field. Note If the installer times out, restart and then complete the deployment by using the wait-for command of the installer. For example: USD ./openshift-install wait-for install-complete --log-level debug Save the file and reference it when installing OpenShift Container Platform. The installation program creates a cluster-wide proxy that is named cluster that uses the proxy settings in the provided install-config.yaml file. If no proxy settings are provided, a cluster Proxy object is still created, but it will have a nil spec . Note Only the Proxy object named cluster is supported, and no additional proxies can be created. 13.7.4. Creating the Kubernetes manifest and Ignition config files Because you must modify some cluster definition files and manually start the cluster machines, you must generate the Kubernetes manifest and Ignition config files that the cluster needs to configure the machines. The installation configuration file transforms into the Kubernetes manifests. The manifests wrap into the Ignition configuration files, which are later used to configure the cluster machines. Important The Ignition config files that the OpenShift Container Platform installation program generates contain certificates that expire after 24 hours, which are then renewed at that time. If the cluster is shut down before renewing the certificates and the cluster is later restarted after the 24 hours have elapsed, the cluster automatically recovers the expired certificates. The exception is that you must manually approve the pending node-bootstrapper certificate signing requests (CSRs) to recover kubelet certificates. See the documentation for Recovering from expired control plane certificates for more information. It is recommended that you use Ignition config files within 12 hours after they are generated because the 24-hour certificate rotates from 16 to 22 hours after the cluster is installed. By using the Ignition config files within 12 hours, you can avoid installation failure if the certificate update runs during installation. Prerequisites You obtained the OpenShift Container Platform installation program. For a restricted network installation, these files are on your mirror host. You created the install-config.yaml installation configuration file. Procedure Change to the directory that contains the OpenShift Container Platform installation program and generate the Kubernetes manifests for the cluster: USD ./openshift-install create manifests --dir <installation_directory> 1 1 For <installation_directory> , specify the installation directory that contains the install-config.yaml file you created. Remove the Kubernetes manifest files that define the control plane machines: USD rm -f <installation_directory>/openshift/99_openshift-cluster-api_master-machines-*.yaml By removing these files, you prevent the cluster from automatically generating control plane machines. Remove the Kubernetes manifest files that define the control plane machine set: USD rm -f <installation_directory>/openshift/99_openshift-machine-api_master-control-plane-machine-set.yaml Remove the Kubernetes manifest files that define the worker machines: USD rm -f <installation_directory>/openshift/99_openshift-cluster-api_worker-machineset-*.yaml Important If you disabled the MachineAPI capability when installing a cluster on user-provisioned infrastructure, you must remove the Kubernetes manifest files that define the worker machines. Otherwise, your cluster fails to install. Because you create and manage the worker machines yourself, you do not need to initialize these machines. Check that the mastersSchedulable parameter in the <installation_directory>/manifests/cluster-scheduler-02-config.yml Kubernetes manifest file is set to false . This setting prevents pods from being scheduled on the control plane machines: Open the <installation_directory>/manifests/cluster-scheduler-02-config.yml file. Locate the mastersSchedulable parameter and ensure that it is set to false . Save and exit the file. Optional: If you do not want the Ingress Operator to create DNS records on your behalf, remove the privateZone and publicZone sections from the <installation_directory>/manifests/cluster-dns-02-config.yml DNS configuration file: apiVersion: config.openshift.io/v1 kind: DNS metadata: creationTimestamp: null name: cluster spec: baseDomain: example.openshift.com privateZone: 1 id: mycluster-100419-private-zone publicZone: 2 id: example.openshift.com status: {} 1 2 Remove this section completely. If you do so, you must add ingress DNS records manually in a later step. To create the Ignition configuration files, run the following command from the directory that contains the installation program: USD ./openshift-install create ignition-configs --dir <installation_directory> 1 1 For <installation_directory> , specify the same installation directory. Ignition config files are created for the bootstrap, control plane, and compute nodes in the installation directory. The kubeadmin-password and kubeconfig files are created in the ./<installation_directory>/auth directory: Additional resources Manually creating long-term credentials 13.8. Extracting the infrastructure name The Ignition config files contain a unique cluster identifier that you can use to uniquely identify your cluster in Amazon Web Services (AWS). The infrastructure name is also used to locate the appropriate AWS resources during an OpenShift Container Platform installation. The provided CloudFormation templates contain references to this infrastructure name, so you must extract it. Prerequisites You obtained the OpenShift Container Platform installation program and the pull secret for your cluster. You generated the Ignition config files for your cluster. You installed the jq package. Procedure To extract and view the infrastructure name from the Ignition config file metadata, run the following command: USD jq -r .infraID <installation_directory>/metadata.json 1 1 For <installation_directory> , specify the path to the directory that you stored the installation files in. Example output openshift-vw9j6 1 1 The output of this command is your cluster name and a random string. 13.9. Creating a VPC in AWS You must create a Virtual Private Cloud (VPC) in Amazon Web Services (AWS) for your OpenShift Container Platform cluster to use. You can customize the VPC to meet your requirements, including VPN and route tables. You can use the provided CloudFormation template and a custom parameter file to create a stack of AWS resources that represent the VPC. Note If you do not use the provided CloudFormation template to create your AWS infrastructure, you must review the provided information and manually create the infrastructure. If your cluster does not initialize correctly, you might have to contact Red Hat support with your installation logs. Prerequisites You configured an AWS account. You added your AWS keys and region to your local AWS profile by running aws configure . You generated the Ignition config files for your cluster. Procedure Create a JSON file that contains the parameter values that the template requires: [ { "ParameterKey": "VpcCidr", 1 "ParameterValue": "10.0.0.0/16" 2 }, { "ParameterKey": "AvailabilityZoneCount", 3 "ParameterValue": "1" 4 }, { "ParameterKey": "SubnetBits", 5 "ParameterValue": "12" 6 } ] 1 The CIDR block for the VPC. 2 Specify a CIDR block in the format x.x.x.x/16-24 . 3 The number of availability zones to deploy the VPC in. 4 Specify an integer between 1 and 3 . 5 The size of each subnet in each availability zone. 6 Specify an integer between 5 and 13 , where 5 is /27 and 13 is /19 . Copy the template from the CloudFormation template for the VPC section of this topic and save it as a YAML file on your computer. This template describes the VPC that your cluster requires. Launch the CloudFormation template to create a stack of AWS resources that represent the VPC: Important You must enter the command on a single line. USD aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml 2 --parameters file://<parameters>.json 3 1 <name> is the name for the CloudFormation stack, such as cluster-vpc . You need the name of this stack if you remove the cluster. 2 <template> is the relative path to and name of the CloudFormation template YAML file that you saved. 3 <parameters> is the relative path to and name of the CloudFormation parameters JSON file. Example output arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-vpc/dbedae40-2fd3-11eb-820e-12a48460849f Confirm that the template components exist: USD aws cloudformation describe-stacks --stack-name <name> After the StackStatus displays CREATE_COMPLETE , the output displays values for the following parameters. You must provide these parameter values to the other CloudFormation templates that you run to create your cluster: VpcId The ID of your VPC. PublicSubnetIds The IDs of the new public subnets. PrivateSubnetIds The IDs of the new private subnets. 13.9.1. CloudFormation template for the VPC You can use the following CloudFormation template to deploy the VPC that you need for your OpenShift Container Platform cluster. Example 13.17. CloudFormation template for the VPC AWSTemplateFormatVersion: 2010-09-09 Description: Template for Best Practice VPC with 1-3 AZs Parameters: VpcCidr: AllowedPattern: ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(1[6-9]|2[0-4]))USD ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-24. Default: 10.0.0.0/16 Description: CIDR block for VPC. Type: String AvailabilityZoneCount: ConstraintDescription: "The number of availability zones. (Min: 1, Max: 3)" MinValue: 1 MaxValue: 3 Default: 1 Description: "How many AZs to create VPC subnets for. (Min: 1, Max: 3)" Type: Number SubnetBits: ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/19-27. MinValue: 5 MaxValue: 13 Default: 12 Description: "Size of each subnet to create within the availability zones. (Min: 5 = /27, Max: 13 = /19)" Type: Number Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Network Configuration" Parameters: - VpcCidr - SubnetBits - Label: default: "Availability Zones" Parameters: - AvailabilityZoneCount ParameterLabels: AvailabilityZoneCount: default: "Availability Zone Count" VpcCidr: default: "VPC CIDR" SubnetBits: default: "Bits Per Subnet" Conditions: DoAz3: !Equals [3, !Ref AvailabilityZoneCount] DoAz2: !Or [!Equals [2, !Ref AvailabilityZoneCount], Condition: DoAz3] Resources: VPC: Type: "AWS::EC2::VPC" Properties: EnableDnsSupport: "true" EnableDnsHostnames: "true" CidrBlock: !Ref VpcCidr PublicSubnet: Type: "AWS::EC2::Subnet" Properties: VpcId: !Ref VPC CidrBlock: !Select [0, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 0 - Fn::GetAZs: !Ref "AWS::Region" PublicSubnet2: Type: "AWS::EC2::Subnet" Condition: DoAz2 Properties: VpcId: !Ref VPC CidrBlock: !Select [1, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 1 - Fn::GetAZs: !Ref "AWS::Region" PublicSubnet3: Type: "AWS::EC2::Subnet" Condition: DoAz3 Properties: VpcId: !Ref VPC CidrBlock: !Select [2, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 2 - Fn::GetAZs: !Ref "AWS::Region" InternetGateway: Type: "AWS::EC2::InternetGateway" GatewayToInternet: Type: "AWS::EC2::VPCGatewayAttachment" Properties: VpcId: !Ref VPC InternetGatewayId: !Ref InternetGateway PublicRouteTable: Type: "AWS::EC2::RouteTable" Properties: VpcId: !Ref VPC PublicRoute: Type: "AWS::EC2::Route" DependsOn: GatewayToInternet Properties: RouteTableId: !Ref PublicRouteTable DestinationCidrBlock: 0.0.0.0/0 GatewayId: !Ref InternetGateway PublicSubnetRouteTableAssociation: Type: "AWS::EC2::SubnetRouteTableAssociation" Properties: SubnetId: !Ref PublicSubnet RouteTableId: !Ref PublicRouteTable PublicSubnetRouteTableAssociation2: Type: "AWS::EC2::SubnetRouteTableAssociation" Condition: DoAz2 Properties: SubnetId: !Ref PublicSubnet2 RouteTableId: !Ref PublicRouteTable PublicSubnetRouteTableAssociation3: Condition: DoAz3 Type: "AWS::EC2::SubnetRouteTableAssociation" Properties: SubnetId: !Ref PublicSubnet3 RouteTableId: !Ref PublicRouteTable PrivateSubnet: Type: "AWS::EC2::Subnet" Properties: VpcId: !Ref VPC CidrBlock: !Select [3, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 0 - Fn::GetAZs: !Ref "AWS::Region" PrivateRouteTable: Type: "AWS::EC2::RouteTable" Properties: VpcId: !Ref VPC PrivateSubnetRouteTableAssociation: Type: "AWS::EC2::SubnetRouteTableAssociation" Properties: SubnetId: !Ref PrivateSubnet RouteTableId: !Ref PrivateRouteTable NAT: DependsOn: - GatewayToInternet Type: "AWS::EC2::NatGateway" Properties: AllocationId: "Fn::GetAtt": - EIP - AllocationId SubnetId: !Ref PublicSubnet EIP: Type: "AWS::EC2::EIP" Properties: Domain: vpc Route: Type: "AWS::EC2::Route" Properties: RouteTableId: Ref: PrivateRouteTable DestinationCidrBlock: 0.0.0.0/0 NatGatewayId: Ref: NAT PrivateSubnet2: Type: "AWS::EC2::Subnet" Condition: DoAz2 Properties: VpcId: !Ref VPC CidrBlock: !Select [4, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 1 - Fn::GetAZs: !Ref "AWS::Region" PrivateRouteTable2: Type: "AWS::EC2::RouteTable" Condition: DoAz2 Properties: VpcId: !Ref VPC PrivateSubnetRouteTableAssociation2: Type: "AWS::EC2::SubnetRouteTableAssociation" Condition: DoAz2 Properties: SubnetId: !Ref PrivateSubnet2 RouteTableId: !Ref PrivateRouteTable2 NAT2: DependsOn: - GatewayToInternet Type: "AWS::EC2::NatGateway" Condition: DoAz2 Properties: AllocationId: "Fn::GetAtt": - EIP2 - AllocationId SubnetId: !Ref PublicSubnet2 EIP2: Type: "AWS::EC2::EIP" Condition: DoAz2 Properties: Domain: vpc Route2: Type: "AWS::EC2::Route" Condition: DoAz2 Properties: RouteTableId: Ref: PrivateRouteTable2 DestinationCidrBlock: 0.0.0.0/0 NatGatewayId: Ref: NAT2 PrivateSubnet3: Type: "AWS::EC2::Subnet" Condition: DoAz3 Properties: VpcId: !Ref VPC CidrBlock: !Select [5, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 2 - Fn::GetAZs: !Ref "AWS::Region" PrivateRouteTable3: Type: "AWS::EC2::RouteTable" Condition: DoAz3 Properties: VpcId: !Ref VPC PrivateSubnetRouteTableAssociation3: Type: "AWS::EC2::SubnetRouteTableAssociation" Condition: DoAz3 Properties: SubnetId: !Ref PrivateSubnet3 RouteTableId: !Ref PrivateRouteTable3 NAT3: DependsOn: - GatewayToInternet Type: "AWS::EC2::NatGateway" Condition: DoAz3 Properties: AllocationId: "Fn::GetAtt": - EIP3 - AllocationId SubnetId: !Ref PublicSubnet3 EIP3: Type: "AWS::EC2::EIP" Condition: DoAz3 Properties: Domain: vpc Route3: Type: "AWS::EC2::Route" Condition: DoAz3 Properties: RouteTableId: Ref: PrivateRouteTable3 DestinationCidrBlock: 0.0.0.0/0 NatGatewayId: Ref: NAT3 S3Endpoint: Type: AWS::EC2::VPCEndpoint Properties: PolicyDocument: Version: 2012-10-17 Statement: - Effect: Allow Principal: '*' Action: - '*' Resource: - '*' RouteTableIds: - !Ref PublicRouteTable - !Ref PrivateRouteTable - !If [DoAz2, !Ref PrivateRouteTable2, !Ref "AWS::NoValue"] - !If [DoAz3, !Ref PrivateRouteTable3, !Ref "AWS::NoValue"] ServiceName: !Join - '' - - com.amazonaws. - !Ref 'AWS::Region' - .s3 VpcId: !Ref VPC Outputs: VpcId: Description: ID of the new VPC. Value: !Ref VPC PublicSubnetIds: Description: Subnet IDs of the public subnets. Value: !Join [ ",", [!Ref PublicSubnet, !If [DoAz2, !Ref PublicSubnet2, !Ref "AWS::NoValue"], !If [DoAz3, !Ref PublicSubnet3, !Ref "AWS::NoValue"]] ] PrivateSubnetIds: Description: Subnet IDs of the private subnets. Value: !Join [ ",", [!Ref PrivateSubnet, !If [DoAz2, !Ref PrivateSubnet2, !Ref "AWS::NoValue"], !If [DoAz3, !Ref PrivateSubnet3, !Ref "AWS::NoValue"]] ] PublicRouteTableId: Description: Public Route table ID Value: !Ref PublicRouteTable PrivateRouteTableIds: Description: Private Route table IDs Value: !Join [ ",", [ !Join ["=", [ !Select [0, "Fn::GetAZs": !Ref "AWS::Region"], !Ref PrivateRouteTable ]], !If [DoAz2, !Join ["=", [!Select [1, "Fn::GetAZs": !Ref "AWS::Region"], !Ref PrivateRouteTable2]], !Ref "AWS::NoValue" ], !If [DoAz3, !Join ["=", [!Select [2, "Fn::GetAZs": !Ref "AWS::Region"], !Ref PrivateRouteTable3]], !Ref "AWS::NoValue" ] ] ] 13.10. Creating networking and load balancing components in AWS You must configure networking and classic or network load balancing in Amazon Web Services (AWS) that your OpenShift Container Platform cluster can use. You can use the provided CloudFormation template and a custom parameter file to create a stack of AWS resources. The stack represents the networking and load balancing components that your OpenShift Container Platform cluster requires. The template also creates a hosted zone and subnet tags. You can run the template multiple times within a single Virtual Private Cloud (VPC). Note If you do not use the provided CloudFormation template to create your AWS infrastructure, you must review the provided information and manually create the infrastructure. If your cluster does not initialize correctly, you might have to contact Red Hat support with your installation logs. Prerequisites You configured an AWS account. You added your AWS keys and region to your local AWS profile by running aws configure . You generated the Ignition config files for your cluster. You created and configured a VPC and associated subnets in AWS. Procedure Obtain the hosted zone ID for the Route 53 base domain that you specified in the install-config.yaml file for your cluster. You can obtain details about your hosted zone by running the following command: USD aws route53 list-hosted-zones-by-name --dns-name <route53_domain> 1 1 For the <route53_domain> , specify the Route 53 base domain that you used when you generated the install-config.yaml file for the cluster. Example output mycluster.example.com. False 100 HOSTEDZONES 65F8F38E-2268-B835-E15C-AB55336FCBFA /hostedzone/Z21IXYZABCZ2A4 mycluster.example.com. 10 In the example output, the hosted zone ID is Z21IXYZABCZ2A4 . Create a JSON file that contains the parameter values that the template requires: [ { "ParameterKey": "ClusterName", 1 "ParameterValue": "mycluster" 2 }, { "ParameterKey": "InfrastructureName", 3 "ParameterValue": "mycluster-<random_string>" 4 }, { "ParameterKey": "HostedZoneId", 5 "ParameterValue": "<random_string>" 6 }, { "ParameterKey": "HostedZoneName", 7 "ParameterValue": "example.com" 8 }, { "ParameterKey": "PublicSubnets", 9 "ParameterValue": "subnet-<random_string>" 10 }, { "ParameterKey": "PrivateSubnets", 11 "ParameterValue": "subnet-<random_string>" 12 }, { "ParameterKey": "VpcId", 13 "ParameterValue": "vpc-<random_string>" 14 } ] 1 A short, representative cluster name to use for hostnames, etc. 2 Specify the cluster name that you used when you generated the install-config.yaml file for the cluster. 3 The name for your cluster infrastructure that is encoded in your Ignition config files for the cluster. 4 Specify the infrastructure name that you extracted from the Ignition config file metadata, which has the format <cluster-name>-<random-string> . 5 The Route 53 public zone ID to register the targets with. 6 Specify the Route 53 public zone ID, which as a format similar to Z21IXYZABCZ2A4 . You can obtain this value from the AWS console. 7 The Route 53 zone to register the targets with. 8 Specify the Route 53 base domain that you used when you generated the install-config.yaml file for the cluster. Do not include the trailing period (.) that is displayed in the AWS console. 9 The public subnets that you created for your VPC. 10 Specify the PublicSubnetIds value from the output of the CloudFormation template for the VPC. 11 The private subnets that you created for your VPC. 12 Specify the PrivateSubnetIds value from the output of the CloudFormation template for the VPC. 13 The VPC that you created for the cluster. 14 Specify the VpcId value from the output of the CloudFormation template for the VPC. Copy the template from the CloudFormation template for the network and load balancers section of this topic and save it as a YAML file on your computer. This template describes the networking and load balancing objects that your cluster requires. Important If you are deploying your cluster to an AWS government or secret region, you must update the InternalApiServerRecord in the CloudFormation template to use CNAME records. Records of type ALIAS are not supported for AWS government regions. Launch the CloudFormation template to create a stack of AWS resources that provide the networking and load balancing components: Important You must enter the command on a single line. USD aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml 2 --parameters file://<parameters>.json 3 --capabilities CAPABILITY_NAMED_IAM 4 1 <name> is the name for the CloudFormation stack, such as cluster-dns . You need the name of this stack if you remove the cluster. 2 <template> is the relative path to and name of the CloudFormation template YAML file that you saved. 3 <parameters> is the relative path to and name of the CloudFormation parameters JSON file. 4 You must explicitly declare the CAPABILITY_NAMED_IAM capability because the provided template creates some AWS::IAM::Role resources. Example output arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-dns/cd3e5de0-2fd4-11eb-5cf0-12be5c33a183 Confirm that the template components exist: USD aws cloudformation describe-stacks --stack-name <name> After the StackStatus displays CREATE_COMPLETE , the output displays values for the following parameters. You must provide these parameter values to the other CloudFormation templates that you run to create your cluster: PrivateHostedZoneId Hosted zone ID for the private DNS. ExternalApiLoadBalancerName Full name of the external API load balancer. InternalApiLoadBalancerName Full name of the internal API load balancer. ApiServerDnsName Full hostname of the API server. RegisterNlbIpTargetsLambda Lambda ARN useful to help register/deregister IP targets for these load balancers. ExternalApiTargetGroupArn ARN of external API target group. InternalApiTargetGroupArn ARN of internal API target group. InternalServiceTargetGroupArn ARN of internal service target group. 13.10.1. CloudFormation template for the network and load balancers You can use the following CloudFormation template to deploy the networking objects and load balancers that you need for your OpenShift Container Platform cluster. Example 13.18. CloudFormation template for the network and load balancers AWSTemplateFormatVersion: 2010-09-09 Description: Template for OpenShift Cluster Network Elements (Route53 & LBs) Parameters: ClusterName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Cluster name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, representative cluster name to use for host names and other identifying names. Type: String InfrastructureName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, unique cluster ID used to tag cloud resources and identify items owned or used by the cluster. Type: String HostedZoneId: Description: The Route53 public zone ID to register the targets with, such as Z21IXYZABCZ2A4. Type: String HostedZoneName: Description: The Route53 zone to register the targets with, such as example.com. Omit the trailing period. Type: String Default: "example.com" PublicSubnets: Description: The internet-facing subnets. Type: List<AWS::EC2::Subnet::Id> PrivateSubnets: Description: The internal subnets. Type: List<AWS::EC2::Subnet::Id> VpcId: Description: The VPC-scoped resources will belong to this VPC. Type: AWS::EC2::VPC::Id Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Cluster Information" Parameters: - ClusterName - InfrastructureName - Label: default: "Network Configuration" Parameters: - VpcId - PublicSubnets - PrivateSubnets - Label: default: "DNS" Parameters: - HostedZoneName - HostedZoneId ParameterLabels: ClusterName: default: "Cluster Name" InfrastructureName: default: "Infrastructure Name" VpcId: default: "VPC ID" PublicSubnets: default: "Public Subnets" PrivateSubnets: default: "Private Subnets" HostedZoneName: default: "Public Hosted Zone Name" HostedZoneId: default: "Public Hosted Zone ID" Resources: ExtApiElb: Type: AWS::ElasticLoadBalancingV2::LoadBalancer Properties: Name: !Join ["-", [!Ref InfrastructureName, "ext"]] IpAddressType: ipv4 Subnets: !Ref PublicSubnets Type: network IntApiElb: Type: AWS::ElasticLoadBalancingV2::LoadBalancer Properties: Name: !Join ["-", [!Ref InfrastructureName, "int"]] Scheme: internal IpAddressType: ipv4 Subnets: !Ref PrivateSubnets Type: network IntDns: Type: "AWS::Route53::HostedZone" Properties: HostedZoneConfig: Comment: "Managed by CloudFormation" Name: !Join [".", [!Ref ClusterName, !Ref HostedZoneName]] HostedZoneTags: - Key: Name Value: !Join ["-", [!Ref InfrastructureName, "int"]] - Key: !Join ["", ["kubernetes.io/cluster/", !Ref InfrastructureName]] Value: "owned" VPCs: - VPCId: !Ref VpcId VPCRegion: !Ref "AWS::Region" ExternalApiServerRecord: Type: AWS::Route53::RecordSetGroup Properties: Comment: Alias record for the API server HostedZoneId: !Ref HostedZoneId RecordSets: - Name: !Join [ ".", ["api", !Ref ClusterName, !Join ["", [!Ref HostedZoneName, "."]]], ] Type: A AliasTarget: HostedZoneId: !GetAtt ExtApiElb.CanonicalHostedZoneID DNSName: !GetAtt ExtApiElb.DNSName InternalApiServerRecord: Type: AWS::Route53::RecordSetGroup Properties: Comment: Alias record for the API server HostedZoneId: !Ref IntDns RecordSets: - Name: !Join [ ".", ["api", !Ref ClusterName, !Join ["", [!Ref HostedZoneName, "."]]], ] Type: A AliasTarget: HostedZoneId: !GetAtt IntApiElb.CanonicalHostedZoneID DNSName: !GetAtt IntApiElb.DNSName - Name: !Join [ ".", ["api-int", !Ref ClusterName, !Join ["", [!Ref HostedZoneName, "."]]], ] Type: A AliasTarget: HostedZoneId: !GetAtt IntApiElb.CanonicalHostedZoneID DNSName: !GetAtt IntApiElb.DNSName ExternalApiListener: Type: AWS::ElasticLoadBalancingV2::Listener Properties: DefaultActions: - Type: forward TargetGroupArn: Ref: ExternalApiTargetGroup LoadBalancerArn: Ref: ExtApiElb Port: 6443 Protocol: TCP ExternalApiTargetGroup: Type: AWS::ElasticLoadBalancingV2::TargetGroup Properties: HealthCheckIntervalSeconds: 10 HealthCheckPath: "/readyz" HealthCheckPort: 6443 HealthCheckProtocol: HTTPS HealthyThresholdCount: 2 UnhealthyThresholdCount: 2 Port: 6443 Protocol: TCP TargetType: ip VpcId: Ref: VpcId TargetGroupAttributes: - Key: deregistration_delay.timeout_seconds Value: 60 InternalApiListener: Type: AWS::ElasticLoadBalancingV2::Listener Properties: DefaultActions: - Type: forward TargetGroupArn: Ref: InternalApiTargetGroup LoadBalancerArn: Ref: IntApiElb Port: 6443 Protocol: TCP InternalApiTargetGroup: Type: AWS::ElasticLoadBalancingV2::TargetGroup Properties: HealthCheckIntervalSeconds: 10 HealthCheckPath: "/readyz" HealthCheckPort: 6443 HealthCheckProtocol: HTTPS HealthyThresholdCount: 2 UnhealthyThresholdCount: 2 Port: 6443 Protocol: TCP TargetType: ip VpcId: Ref: VpcId TargetGroupAttributes: - Key: deregistration_delay.timeout_seconds Value: 60 InternalServiceInternalListener: Type: AWS::ElasticLoadBalancingV2::Listener Properties: DefaultActions: - Type: forward TargetGroupArn: Ref: InternalServiceTargetGroup LoadBalancerArn: Ref: IntApiElb Port: 22623 Protocol: TCP InternalServiceTargetGroup: Type: AWS::ElasticLoadBalancingV2::TargetGroup Properties: HealthCheckIntervalSeconds: 10 HealthCheckPath: "/healthz" HealthCheckPort: 22623 HealthCheckProtocol: HTTPS HealthyThresholdCount: 2 UnhealthyThresholdCount: 2 Port: 22623 Protocol: TCP TargetType: ip VpcId: Ref: VpcId TargetGroupAttributes: - Key: deregistration_delay.timeout_seconds Value: 60 RegisterTargetLambdaIamRole: Type: AWS::IAM::Role Properties: RoleName: !Join ["-", [!Ref InfrastructureName, "nlb", "lambda", "role"]] AssumeRolePolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Principal: Service: - "lambda.amazonaws.com" Action: - "sts:AssumeRole" Path: "/" Policies: - PolicyName: !Join ["-", [!Ref InfrastructureName, "master", "policy"]] PolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Action: [ "elasticloadbalancing:RegisterTargets", "elasticloadbalancing:DeregisterTargets", ] Resource: !Ref InternalApiTargetGroup - Effect: "Allow" Action: [ "elasticloadbalancing:RegisterTargets", "elasticloadbalancing:DeregisterTargets", ] Resource: !Ref InternalServiceTargetGroup - Effect: "Allow" Action: [ "elasticloadbalancing:RegisterTargets", "elasticloadbalancing:DeregisterTargets", ] Resource: !Ref ExternalApiTargetGroup RegisterNlbIpTargets: Type: "AWS::Lambda::Function" Properties: Handler: "index.handler" Role: Fn::GetAtt: - "RegisterTargetLambdaIamRole" - "Arn" Code: ZipFile: | import json import boto3 import cfnresponse def handler(event, context): elb = boto3.client('elbv2') if event['RequestType'] == 'Delete': elb.deregister_targets(TargetGroupArn=event['ResourceProperties']['TargetArn'],Targets=[{'Id': event['ResourceProperties']['TargetIp']}]) elif event['RequestType'] == 'Create': elb.register_targets(TargetGroupArn=event['ResourceProperties']['TargetArn'],Targets=[{'Id': event['ResourceProperties']['TargetIp']}]) responseData = {} cfnresponse.send(event, context, cfnresponse.SUCCESS, responseData, event['ResourceProperties']['TargetArn']+event['ResourceProperties']['TargetIp']) Runtime: "python3.8" Timeout: 120 RegisterSubnetTagsLambdaIamRole: Type: AWS::IAM::Role Properties: RoleName: !Join ["-", [!Ref InfrastructureName, "subnet-tags-lambda-role"]] AssumeRolePolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Principal: Service: - "lambda.amazonaws.com" Action: - "sts:AssumeRole" Path: "/" Policies: - PolicyName: !Join ["-", [!Ref InfrastructureName, "subnet-tagging-policy"]] PolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Action: [ "ec2:DeleteTags", "ec2:CreateTags" ] Resource: "arn:aws:ec2:*:*:subnet/*" - Effect: "Allow" Action: [ "ec2:DescribeSubnets", "ec2:DescribeTags" ] Resource: "*" RegisterSubnetTags: Type: "AWS::Lambda::Function" Properties: Handler: "index.handler" Role: Fn::GetAtt: - "RegisterSubnetTagsLambdaIamRole" - "Arn" Code: ZipFile: | import json import boto3 import cfnresponse def handler(event, context): ec2_client = boto3.client('ec2') if event['RequestType'] == 'Delete': for subnet_id in event['ResourceProperties']['Subnets']: ec2_client.delete_tags(Resources=[subnet_id], Tags=[{'Key': 'kubernetes.io/cluster/' + event['ResourceProperties']['InfrastructureName']}]); elif event['RequestType'] == 'Create': for subnet_id in event['ResourceProperties']['Subnets']: ec2_client.create_tags(Resources=[subnet_id], Tags=[{'Key': 'kubernetes.io/cluster/' + event['ResourceProperties']['InfrastructureName'], 'Value': 'shared'}]); responseData = {} cfnresponse.send(event, context, cfnresponse.SUCCESS, responseData, event['ResourceProperties']['InfrastructureName']+event['ResourceProperties']['Subnets'][0]) Runtime: "python3.8" Timeout: 120 RegisterPublicSubnetTags: Type: Custom::SubnetRegister Properties: ServiceToken: !GetAtt RegisterSubnetTags.Arn InfrastructureName: !Ref InfrastructureName Subnets: !Ref PublicSubnets RegisterPrivateSubnetTags: Type: Custom::SubnetRegister Properties: ServiceToken: !GetAtt RegisterSubnetTags.Arn InfrastructureName: !Ref InfrastructureName Subnets: !Ref PrivateSubnets Outputs: PrivateHostedZoneId: Description: Hosted zone ID for the private DNS, which is required for private records. Value: !Ref IntDns ExternalApiLoadBalancerName: Description: Full name of the external API load balancer. Value: !GetAtt ExtApiElb.LoadBalancerFullName InternalApiLoadBalancerName: Description: Full name of the internal API load balancer. Value: !GetAtt IntApiElb.LoadBalancerFullName ApiServerDnsName: Description: Full hostname of the API server, which is required for the Ignition config files. Value: !Join [".", ["api-int", !Ref ClusterName, !Ref HostedZoneName]] RegisterNlbIpTargetsLambda: Description: Lambda ARN useful to help register or deregister IP targets for these load balancers. Value: !GetAtt RegisterNlbIpTargets.Arn ExternalApiTargetGroupArn: Description: ARN of the external API target group. Value: !Ref ExternalApiTargetGroup InternalApiTargetGroupArn: Description: ARN of the internal API target group. Value: !Ref InternalApiTargetGroup InternalServiceTargetGroupArn: Description: ARN of the internal service target group. Value: !Ref InternalServiceTargetGroup Important If you are deploying your cluster to an AWS government or secret region, you must update the InternalApiServerRecord to use CNAME records. Records of type ALIAS are not supported for AWS government regions. For example: Type: CNAME TTL: 10 ResourceRecords: - !GetAtt IntApiElb.DNSName Additional resources See Listing public hosted zones in the AWS documentation for more information about listing public hosted zones. 13.11. Creating security group and roles in AWS You must create security groups and roles in Amazon Web Services (AWS) for your OpenShift Container Platform cluster to use. You can use the provided CloudFormation template and a custom parameter file to create a stack of AWS resources. The stack represents the security groups and roles that your OpenShift Container Platform cluster requires. Note If you do not use the provided CloudFormation template to create your AWS infrastructure, you must review the provided information and manually create the infrastructure. If your cluster does not initialize correctly, you might have to contact Red Hat support with your installation logs. Prerequisites You configured an AWS account. You added your AWS keys and region to your local AWS profile by running aws configure . You generated the Ignition config files for your cluster. You created and configured a VPC and associated subnets in AWS. Procedure Create a JSON file that contains the parameter values that the template requires: [ { "ParameterKey": "InfrastructureName", 1 "ParameterValue": "mycluster-<random_string>" 2 }, { "ParameterKey": "VpcCidr", 3 "ParameterValue": "10.0.0.0/16" 4 }, { "ParameterKey": "PrivateSubnets", 5 "ParameterValue": "subnet-<random_string>" 6 }, { "ParameterKey": "VpcId", 7 "ParameterValue": "vpc-<random_string>" 8 } ] 1 The name for your cluster infrastructure that is encoded in your Ignition config files for the cluster. 2 Specify the infrastructure name that you extracted from the Ignition config file metadata, which has the format <cluster-name>-<random-string> . 3 The CIDR block for the VPC. 4 Specify the CIDR block parameter that you used for the VPC that you defined in the form x.x.x.x/16-24 . 5 The private subnets that you created for your VPC. 6 Specify the PrivateSubnetIds value from the output of the CloudFormation template for the VPC. 7 The VPC that you created for the cluster. 8 Specify the VpcId value from the output of the CloudFormation template for the VPC. Copy the template from the CloudFormation template for security objects section of this topic and save it as a YAML file on your computer. This template describes the security groups and roles that your cluster requires. Launch the CloudFormation template to create a stack of AWS resources that represent the security groups and roles: Important You must enter the command on a single line. USD aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml 2 --parameters file://<parameters>.json 3 --capabilities CAPABILITY_NAMED_IAM 4 1 <name> is the name for the CloudFormation stack, such as cluster-sec . You need the name of this stack if you remove the cluster. 2 <template> is the relative path to and name of the CloudFormation template YAML file that you saved. 3 <parameters> is the relative path to and name of the CloudFormation parameters JSON file. 4 You must explicitly declare the CAPABILITY_NAMED_IAM capability because the provided template creates some AWS::IAM::Role and AWS::IAM::InstanceProfile resources. Example output arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-sec/03bd4210-2ed7-11eb-6d7a-13fc0b61e9db Confirm that the template components exist: USD aws cloudformation describe-stacks --stack-name <name> After the StackStatus displays CREATE_COMPLETE , the output displays values for the following parameters. You must provide these parameter values to the other CloudFormation templates that you run to create your cluster: MasterSecurityGroupId Master Security Group ID WorkerSecurityGroupId Worker Security Group ID MasterInstanceProfile Master IAM Instance Profile WorkerInstanceProfile Worker IAM Instance Profile 13.11.1. CloudFormation template for security objects You can use the following CloudFormation template to deploy the security objects that you need for your OpenShift Container Platform cluster. Example 13.19. CloudFormation template for security objects AWSTemplateFormatVersion: 2010-09-09 Description: Template for OpenShift Cluster Security Elements (Security Groups & IAM) Parameters: InfrastructureName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, unique cluster ID used to tag cloud resources and identify items owned or used by the cluster. Type: String VpcCidr: AllowedPattern: ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(1[6-9]|2[0-4]))USD ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-24. Default: 10.0.0.0/16 Description: CIDR block for VPC. Type: String VpcId: Description: The VPC-scoped resources will belong to this VPC. Type: AWS::EC2::VPC::Id PrivateSubnets: Description: The internal subnets. Type: List<AWS::EC2::Subnet::Id> Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Cluster Information" Parameters: - InfrastructureName - Label: default: "Network Configuration" Parameters: - VpcId - VpcCidr - PrivateSubnets ParameterLabels: InfrastructureName: default: "Infrastructure Name" VpcId: default: "VPC ID" VpcCidr: default: "VPC CIDR" PrivateSubnets: default: "Private Subnets" Resources: MasterSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: GroupDescription: Cluster Master Security Group SecurityGroupIngress: - IpProtocol: icmp FromPort: 0 ToPort: 0 CidrIp: !Ref VpcCidr - IpProtocol: tcp FromPort: 22 ToPort: 22 CidrIp: !Ref VpcCidr - IpProtocol: tcp ToPort: 6443 FromPort: 6443 CidrIp: !Ref VpcCidr - IpProtocol: tcp FromPort: 22623 ToPort: 22623 CidrIp: !Ref VpcCidr VpcId: !Ref VpcId WorkerSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: GroupDescription: Cluster Worker Security Group SecurityGroupIngress: - IpProtocol: icmp FromPort: 0 ToPort: 0 CidrIp: !Ref VpcCidr - IpProtocol: tcp FromPort: 22 ToPort: 22 CidrIp: !Ref VpcCidr VpcId: !Ref VpcId MasterIngressEtcd: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: etcd FromPort: 2379 ToPort: 2380 IpProtocol: tcp MasterIngressVxlan: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Vxlan packets FromPort: 4789 ToPort: 4789 IpProtocol: udp MasterIngressWorkerVxlan: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Vxlan packets FromPort: 4789 ToPort: 4789 IpProtocol: udp MasterIngressGeneve: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Geneve packets FromPort: 6081 ToPort: 6081 IpProtocol: udp MasterIngressWorkerGeneve: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Geneve packets FromPort: 6081 ToPort: 6081 IpProtocol: udp MasterIngressIpsecIke: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec IKE packets FromPort: 500 ToPort: 500 IpProtocol: udp MasterIngressIpsecNat: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec NAT-T packets FromPort: 4500 ToPort: 4500 IpProtocol: udp MasterIngressIpsecEsp: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec ESP packets IpProtocol: 50 MasterIngressWorkerIpsecIke: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec IKE packets FromPort: 500 ToPort: 500 IpProtocol: udp MasterIngressWorkerIpsecNat: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec NAT-T packets FromPort: 4500 ToPort: 4500 IpProtocol: udp MasterIngressWorkerIpsecEsp: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec ESP packets IpProtocol: 50 MasterIngressInternal: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: tcp MasterIngressWorkerInternal: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: tcp MasterIngressInternalUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: udp MasterIngressWorkerInternalUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: udp MasterIngressKube: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Kubernetes kubelet, scheduler and controller manager FromPort: 10250 ToPort: 10259 IpProtocol: tcp MasterIngressWorkerKube: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes kubelet, scheduler and controller manager FromPort: 10250 ToPort: 10259 IpProtocol: tcp MasterIngressIngressServices: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: tcp MasterIngressWorkerIngressServices: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: tcp MasterIngressIngressServicesUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: udp MasterIngressWorkerIngressServicesUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: udp WorkerIngressVxlan: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Vxlan packets FromPort: 4789 ToPort: 4789 IpProtocol: udp WorkerIngressMasterVxlan: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Vxlan packets FromPort: 4789 ToPort: 4789 IpProtocol: udp WorkerIngressGeneve: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Geneve packets FromPort: 6081 ToPort: 6081 IpProtocol: udp WorkerIngressMasterGeneve: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Geneve packets FromPort: 6081 ToPort: 6081 IpProtocol: udp WorkerIngressIpsecIke: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec IKE packets FromPort: 500 ToPort: 500 IpProtocol: udp WorkerIngressIpsecNat: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec NAT-T packets FromPort: 4500 ToPort: 4500 IpProtocol: udp WorkerIngressIpsecEsp: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec ESP packets IpProtocol: 50 WorkerIngressMasterIpsecIke: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec IKE packets FromPort: 500 ToPort: 500 IpProtocol: udp WorkerIngressMasterIpsecNat: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec NAT-T packets FromPort: 4500 ToPort: 4500 IpProtocol: udp WorkerIngressMasterIpsecEsp: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec ESP packets IpProtocol: 50 WorkerIngressInternal: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: tcp WorkerIngressMasterInternal: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: tcp WorkerIngressInternalUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: udp WorkerIngressMasterInternalUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: udp WorkerIngressKube: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes secure kubelet port FromPort: 10250 ToPort: 10250 IpProtocol: tcp WorkerIngressWorkerKube: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Internal Kubernetes communication FromPort: 10250 ToPort: 10250 IpProtocol: tcp WorkerIngressIngressServices: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: tcp WorkerIngressMasterIngressServices: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: tcp WorkerIngressIngressServicesUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: udp WorkerIngressMasterIngressServicesUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: udp MasterIamRole: Type: AWS::IAM::Role Properties: AssumeRolePolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Principal: Service: - "ec2.amazonaws.com" Action: - "sts:AssumeRole" Policies: - PolicyName: !Join ["-", [!Ref InfrastructureName, "master", "policy"]] PolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Action: - "ec2:AttachVolume" - "ec2:AuthorizeSecurityGroupIngress" - "ec2:CreateSecurityGroup" - "ec2:CreateTags" - "ec2:CreateVolume" - "ec2:DeleteSecurityGroup" - "ec2:DeleteVolume" - "ec2:Describe*" - "ec2:DetachVolume" - "ec2:ModifyInstanceAttribute" - "ec2:ModifyVolume" - "ec2:RevokeSecurityGroupIngress" - "elasticloadbalancing:AddTags" - "elasticloadbalancing:AttachLoadBalancerToSubnets" - "elasticloadbalancing:ApplySecurityGroupsToLoadBalancer" - "elasticloadbalancing:CreateListener" - "elasticloadbalancing:CreateLoadBalancer" - "elasticloadbalancing:CreateLoadBalancerPolicy" - "elasticloadbalancing:CreateLoadBalancerListeners" - "elasticloadbalancing:CreateTargetGroup" - "elasticloadbalancing:ConfigureHealthCheck" - "elasticloadbalancing:DeleteListener" - "elasticloadbalancing:DeleteLoadBalancer" - "elasticloadbalancing:DeleteLoadBalancerListeners" - "elasticloadbalancing:DeleteTargetGroup" - "elasticloadbalancing:DeregisterInstancesFromLoadBalancer" - "elasticloadbalancing:DeregisterTargets" - "elasticloadbalancing:Describe*" - "elasticloadbalancing:DetachLoadBalancerFromSubnets" - "elasticloadbalancing:ModifyListener" - "elasticloadbalancing:ModifyLoadBalancerAttributes" - "elasticloadbalancing:ModifyTargetGroup" - "elasticloadbalancing:ModifyTargetGroupAttributes" - "elasticloadbalancing:RegisterInstancesWithLoadBalancer" - "elasticloadbalancing:RegisterTargets" - "elasticloadbalancing:SetLoadBalancerPoliciesForBackendServer" - "elasticloadbalancing:SetLoadBalancerPoliciesOfListener" - "kms:DescribeKey" Resource: "*" MasterInstanceProfile: Type: "AWS::IAM::InstanceProfile" Properties: Roles: - Ref: "MasterIamRole" WorkerIamRole: Type: AWS::IAM::Role Properties: AssumeRolePolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Principal: Service: - "ec2.amazonaws.com" Action: - "sts:AssumeRole" Policies: - PolicyName: !Join ["-", [!Ref InfrastructureName, "worker", "policy"]] PolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Action: - "ec2:DescribeInstances" - "ec2:DescribeRegions" Resource: "*" WorkerInstanceProfile: Type: "AWS::IAM::InstanceProfile" Properties: Roles: - Ref: "WorkerIamRole" Outputs: MasterSecurityGroupId: Description: Master Security Group ID Value: !GetAtt MasterSecurityGroup.GroupId WorkerSecurityGroupId: Description: Worker Security Group ID Value: !GetAtt WorkerSecurityGroup.GroupId MasterInstanceProfile: Description: Master IAM Instance Profile Value: !Ref MasterInstanceProfile WorkerInstanceProfile: Description: Worker IAM Instance Profile Value: !Ref WorkerInstanceProfile 13.12. Accessing RHCOS AMIs with stream metadata In OpenShift Container Platform, stream metadata provides standardized metadata about RHCOS in the JSON format and injects the metadata into the cluster. Stream metadata is a stable format that supports multiple architectures and is intended to be self-documenting for maintaining automation. You can use the coreos print-stream-json sub-command of openshift-install to access information about the boot images in the stream metadata format. This command provides a method for printing stream metadata in a scriptable, machine-readable format. For user-provisioned installations, the openshift-install binary contains references to the version of RHCOS boot images that are tested for use with OpenShift Container Platform, such as the AWS AMI. Procedure To parse the stream metadata, use one of the following methods: From a Go program, use the official stream-metadata-go library at https://github.com/coreos/stream-metadata-go . You can also view example code in the library. From another programming language, such as Python or Ruby, use the JSON library of your preferred programming language. From a command-line utility that handles JSON data, such as jq : Print the current x86_64 or aarch64 AMI for an AWS region, such as us-west-1 : For x86_64 USD openshift-install coreos print-stream-json | jq -r '.architectures.x86_64.images.aws.regions["us-west-1"].image' Example output ami-0d3e625f84626bbda For aarch64 USD openshift-install coreos print-stream-json | jq -r '.architectures.aarch64.images.aws.regions["us-west-1"].image' Example output ami-0af1d3b7fa5be2131 The output of this command is the AWS AMI ID for your designated architecture and the us-west-1 region. The AMI must belong to the same region as the cluster. 13.13. RHCOS AMIs for the AWS infrastructure Red Hat provides Red Hat Enterprise Linux CoreOS (RHCOS) AMIs that are valid for the various AWS regions and instance architectures that you can manually specify for your OpenShift Container Platform nodes. Note By importing your own AMI, you can also install to regions that do not have a published RHCOS AMI. Table 13.3. x86_64 RHCOS AMIs AWS zone AWS AMI af-south-1 ami-0493ec0f0a451f83b ap-east-1 ami-050a6d164705e7f62 ap-northeast-1 ami-00910c337e0f52cff ap-northeast-2 ami-07e98d33de2b93ac0 ap-northeast-3 ami-09bc0a599f4b3c483 ap-south-1 ami-0ba603a7f9d41228e ap-south-2 ami-03130aecb5d7459cc ap-southeast-1 ami-026c056e0a25e5a04 ap-southeast-2 ami-0d471f504ff6d9a0f ap-southeast-3 ami-0c1b9a0721cbb3291 ap-southeast-4 ami-0ef23bfe787efe11e ca-central-1 ami-0163965a05b75f976 eu-central-1 ami-01edb54011f870f0c eu-central-2 ami-0bc500d6056a3b104 eu-north-1 ami-0ab155e935177f16a eu-south-1 ami-051b4c06b21f5a328 eu-south-2 ami-096644e5555c23b19 eu-west-1 ami-0faeeeb3d2b1aa07c eu-west-2 ami-00bb1522dc71b604f eu-west-3 ami-01e5397bd2b795bd3 il-central-1 ami-0b32feb5d77c64e61 me-central-1 ami-0a5158a3e68ab7e88 me-south-1 ami-024864ad1b799dbba sa-east-1 ami-0c402ffb0c4b7edc0 us-east-1 ami-057df4d0cb8cbae0d us-east-2 ami-07566e5da1fd297f8 us-gov-east-1 ami-0fe03a7e289354670 us-gov-west-1 ami-06b7cc6445c5da732 us-west-1 ami-02d20001c5b9df1e9 us-west-2 ami-0dfba457127fba98c Table 13.4. aarch64 RHCOS AMIs AWS zone AWS AMI af-south-1 ami-06c7b4e42179544df ap-east-1 ami-07b6a37fa6d2d2e99 ap-northeast-1 ami-056d2eef4a3638246 ap-northeast-2 ami-0bd5a7684f0ff4e02 ap-northeast-3 ami-0fd08063da50de1da ap-south-1 ami-08f1ae2cef8f9690e ap-south-2 ami-020ba25cc1ec53b1c ap-southeast-1 ami-0020a1c0964ac8e48 ap-southeast-2 ami-07013a63289350c3c ap-southeast-3 ami-041d6ca1d57e3190f ap-southeast-4 ami-06539e9cbefc28702 ca-central-1 ami-0bb3991641f2b40f6 eu-central-1 ami-0908d117c26059e39 eu-central-2 ami-0e48c82ffbde67ed2 eu-north-1 ami-016614599b38d515e eu-south-1 ami-01b6cc1f0fd7b431f eu-south-2 ami-0687e1d98e55e402d eu-west-1 ami-0bf0b7b1cb052d68d eu-west-2 ami-0ba0bf567caa63731 eu-west-3 ami-0eab6a7956a66deda il-central-1 ami-03b3cb1f4869bf21d me-central-1 ami-0a6e1ade3c9e206a1 me-south-1 ami-0aa0775c68eac9f6f sa-east-1 ami-07235eee0bb930c78 us-east-1 ami-005808ca73e7b36ff us-east-2 ami-0c5c9420f6b992e9e us-gov-east-1 ami-08c9b2b8d578caf92 us-gov-west-1 ami-0bdff65422ba7d95d us-west-1 ami-017ad4dd030a04233 us-west-2 ami-068d0af5e3c08e618 13.14. Creating the bootstrap node in AWS You must create the bootstrap node in Amazon Web Services (AWS) to use during OpenShift Container Platform cluster initialization. You do this by: Providing a location to serve the bootstrap.ign Ignition config file to your cluster. This file is located in your installation directory. The provided CloudFormation Template assumes that the Ignition config files for your cluster are served from an S3 bucket. If you choose to serve the files from another location, you must modify the templates. Using the provided CloudFormation template and a custom parameter file to create a stack of AWS resources. The stack represents the bootstrap node that your OpenShift Container Platform installation requires. Note If you do not use the provided CloudFormation template to create your bootstrap node, you must review the provided information and manually create the infrastructure. If your cluster does not initialize correctly, you might have to contact Red Hat support with your installation logs. Prerequisites You configured an AWS account. You added your AWS keys and region to your local AWS profile by running aws configure . You generated the Ignition config files for your cluster. You created and configured a VPC and associated subnets in AWS. You created and configured DNS, load balancers, and listeners in AWS. You created the security groups and roles required for your cluster in AWS. Procedure Create the bucket by running the following command: USD aws s3 mb s3://<cluster-name>-infra 1 1 <cluster-name>-infra is the bucket name. When creating the install-config.yaml file, replace <cluster-name> with the name specified for the cluster. You must use a presigned URL for your S3 bucket, instead of the s3:// schema, if you are: Deploying to a region that has endpoints that differ from the AWS SDK. Deploying a proxy. Providing your own custom endpoints. Upload the bootstrap.ign Ignition config file to the bucket by running the following command: USD aws s3 cp <installation_directory>/bootstrap.ign s3://<cluster-name>-infra/bootstrap.ign 1 1 For <installation_directory> , specify the path to the directory that you stored the installation files in. Verify that the file uploaded by running the following command: USD aws s3 ls s3://<cluster-name>-infra/ Example output 2019-04-03 16:15:16 314878 bootstrap.ign Note The bootstrap Ignition config file does contain secrets, like X.509 keys. The following steps provide basic security for the S3 bucket. To provide additional security, you can enable an S3 bucket policy to allow only certain users, such as the OpenShift IAM user, to access objects that the bucket contains. You can avoid S3 entirely and serve your bootstrap Ignition config file from any address that the bootstrap machine can reach. Create a JSON file that contains the parameter values that the template requires: [ { "ParameterKey": "InfrastructureName", 1 "ParameterValue": "mycluster-<random_string>" 2 }, { "ParameterKey": "RhcosAmi", 3 "ParameterValue": "ami-<random_string>" 4 }, { "ParameterKey": "AllowedBootstrapSshCidr", 5 "ParameterValue": "0.0.0.0/0" 6 }, { "ParameterKey": "PublicSubnet", 7 "ParameterValue": "subnet-<random_string>" 8 }, { "ParameterKey": "MasterSecurityGroupId", 9 "ParameterValue": "sg-<random_string>" 10 }, { "ParameterKey": "VpcId", 11 "ParameterValue": "vpc-<random_string>" 12 }, { "ParameterKey": "BootstrapIgnitionLocation", 13 "ParameterValue": "s3://<bucket_name>/bootstrap.ign" 14 }, { "ParameterKey": "AutoRegisterELB", 15 "ParameterValue": "yes" 16 }, { "ParameterKey": "RegisterNlbIpTargetsLambdaArn", 17 "ParameterValue": "arn:aws:lambda:<aws_region>:<account_number>:function:<dns_stack_name>-RegisterNlbIpTargets-<random_string>" 18 }, { "ParameterKey": "ExternalApiTargetGroupArn", 19 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Exter-<random_string>" 20 }, { "ParameterKey": "InternalApiTargetGroupArn", 21 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Inter-<random_string>" 22 }, { "ParameterKey": "InternalServiceTargetGroupArn", 23 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Inter-<random_string>" 24 } ] 1 The name for your cluster infrastructure that is encoded in your Ignition config files for the cluster. 2 Specify the infrastructure name that you extracted from the Ignition config file metadata, which has the format <cluster-name>-<random-string> . 3 Current Red Hat Enterprise Linux CoreOS (RHCOS) AMI to use for the bootstrap node based on your selected architecture. 4 Specify a valid AWS::EC2::Image::Id value. 5 CIDR block to allow SSH access to the bootstrap node. 6 Specify a CIDR block in the format x.x.x.x/16-24 . 7 The public subnet that is associated with your VPC to launch the bootstrap node into. 8 Specify the PublicSubnetIds value from the output of the CloudFormation template for the VPC. 9 The master security group ID (for registering temporary rules) 10 Specify the MasterSecurityGroupId value from the output of the CloudFormation template for the security group and roles. 11 The VPC created resources will belong to. 12 Specify the VpcId value from the output of the CloudFormation template for the VPC. 13 Location to fetch bootstrap Ignition config file from. 14 Specify the S3 bucket and file name in the form s3://<bucket_name>/bootstrap.ign . 15 Whether or not to register a network load balancer (NLB). 16 Specify yes or no . If you specify yes , you must provide a Lambda Amazon Resource Name (ARN) value. 17 The ARN for NLB IP target registration lambda group. 18 Specify the RegisterNlbIpTargetsLambda value from the output of the CloudFormation template for DNS and load balancing. Use arn:aws-us-gov if deploying the cluster to an AWS GovCloud region. 19 The ARN for external API load balancer target group. 20 Specify the ExternalApiTargetGroupArn value from the output of the CloudFormation template for DNS and load balancing. Use arn:aws-us-gov if deploying the cluster to an AWS GovCloud region. 21 The ARN for internal API load balancer target group. 22 Specify the InternalApiTargetGroupArn value from the output of the CloudFormation template for DNS and load balancing. Use arn:aws-us-gov if deploying the cluster to an AWS GovCloud region. 23 The ARN for internal service load balancer target group. 24 Specify the InternalServiceTargetGroupArn value from the output of the CloudFormation template for DNS and load balancing. Use arn:aws-us-gov if deploying the cluster to an AWS GovCloud region. Copy the template from the CloudFormation template for the bootstrap machine section of this topic and save it as a YAML file on your computer. This template describes the bootstrap machine that your cluster requires. Optional: If you are deploying the cluster with a proxy, you must update the ignition in the template to add the ignition.config.proxy fields. Additionally, If you have added the Amazon EC2, Elastic Load Balancing, and S3 VPC endpoints to your VPC, you must add these endpoints to the noProxy field. Launch the CloudFormation template to create a stack of AWS resources that represent the bootstrap node: Important You must enter the command on a single line. USD aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml 2 --parameters file://<parameters>.json 3 --capabilities CAPABILITY_NAMED_IAM 4 1 <name> is the name for the CloudFormation stack, such as cluster-bootstrap . You need the name of this stack if you remove the cluster. 2 <template> is the relative path to and name of the CloudFormation template YAML file that you saved. 3 <parameters> is the relative path to and name of the CloudFormation parameters JSON file. 4 You must explicitly declare the CAPABILITY_NAMED_IAM capability because the provided template creates some AWS::IAM::Role and AWS::IAM::InstanceProfile resources. Example output arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-bootstrap/12944486-2add-11eb-9dee-12dace8e3a83 Confirm that the template components exist: USD aws cloudformation describe-stacks --stack-name <name> After the StackStatus displays CREATE_COMPLETE , the output displays values for the following parameters. You must provide these parameter values to the other CloudFormation templates that you run to create your cluster: BootstrapInstanceId The bootstrap Instance ID. BootstrapPublicIp The bootstrap node public IP address. BootstrapPrivateIp The bootstrap node private IP address. 13.14.1. CloudFormation template for the bootstrap machine You can use the following CloudFormation template to deploy the bootstrap machine that you need for your OpenShift Container Platform cluster. Example 13.20. CloudFormation template for the bootstrap machine AWSTemplateFormatVersion: 2010-09-09 Description: Template for OpenShift Cluster Bootstrap (EC2 Instance, Security Groups and IAM) Parameters: InfrastructureName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, unique cluster ID used to tag cloud resources and identify items owned or used by the cluster. Type: String RhcosAmi: Description: Current Red Hat Enterprise Linux CoreOS AMI to use for bootstrap. Type: AWS::EC2::Image::Id AllowedBootstrapSshCidr: AllowedPattern: ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/([0-9]|1[0-9]|2[0-9]|3[0-2]))USD ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/0-32. Default: 0.0.0.0/0 Description: CIDR block to allow SSH access to the bootstrap node. Type: String PublicSubnet: Description: The public subnet to launch the bootstrap node into. Type: AWS::EC2::Subnet::Id MasterSecurityGroupId: Description: The master security group ID for registering temporary rules. Type: AWS::EC2::SecurityGroup::Id VpcId: Description: The VPC-scoped resources will belong to this VPC. Type: AWS::EC2::VPC::Id BootstrapIgnitionLocation: Default: s3://my-s3-bucket/bootstrap.ign Description: Ignition config file location. Type: String AutoRegisterELB: Default: "yes" AllowedValues: - "yes" - "no" Description: Do you want to invoke NLB registration, which requires a Lambda ARN parameter? Type: String RegisterNlbIpTargetsLambdaArn: Description: ARN for NLB IP target registration lambda. Type: String ExternalApiTargetGroupArn: Description: ARN for external API load balancer target group. Type: String InternalApiTargetGroupArn: Description: ARN for internal API load balancer target group. Type: String InternalServiceTargetGroupArn: Description: ARN for internal service load balancer target group. Type: String BootstrapInstanceType: Description: Instance type for the bootstrap EC2 instance Default: "i3.large" Type: String Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Cluster Information" Parameters: - InfrastructureName - Label: default: "Host Information" Parameters: - RhcosAmi - BootstrapIgnitionLocation - MasterSecurityGroupId - Label: default: "Network Configuration" Parameters: - VpcId - AllowedBootstrapSshCidr - PublicSubnet - Label: default: "Load Balancer Automation" Parameters: - AutoRegisterELB - RegisterNlbIpTargetsLambdaArn - ExternalApiTargetGroupArn - InternalApiTargetGroupArn - InternalServiceTargetGroupArn ParameterLabels: InfrastructureName: default: "Infrastructure Name" VpcId: default: "VPC ID" AllowedBootstrapSshCidr: default: "Allowed SSH Source" PublicSubnet: default: "Public Subnet" RhcosAmi: default: "Red Hat Enterprise Linux CoreOS AMI ID" BootstrapIgnitionLocation: default: "Bootstrap Ignition Source" MasterSecurityGroupId: default: "Master Security Group ID" AutoRegisterELB: default: "Use Provided ELB Automation" Conditions: DoRegistration: !Equals ["yes", !Ref AutoRegisterELB] Resources: BootstrapIamRole: Type: AWS::IAM::Role Properties: AssumeRolePolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Principal: Service: - "ec2.amazonaws.com" Action: - "sts:AssumeRole" Path: "/" Policies: - PolicyName: !Join ["-", [!Ref InfrastructureName, "bootstrap", "policy"]] PolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Action: "ec2:Describe*" Resource: "*" - Effect: "Allow" Action: "ec2:AttachVolume" Resource: "*" - Effect: "Allow" Action: "ec2:DetachVolume" Resource: "*" - Effect: "Allow" Action: "s3:GetObject" Resource: "*" BootstrapInstanceProfile: Type: "AWS::IAM::InstanceProfile" Properties: Path: "/" Roles: - Ref: "BootstrapIamRole" BootstrapSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: GroupDescription: Cluster Bootstrap Security Group SecurityGroupIngress: - IpProtocol: tcp FromPort: 22 ToPort: 22 CidrIp: !Ref AllowedBootstrapSshCidr - IpProtocol: tcp ToPort: 19531 FromPort: 19531 CidrIp: 0.0.0.0/0 VpcId: !Ref VpcId BootstrapInstance: Type: AWS::EC2::Instance Properties: ImageId: !Ref RhcosAmi IamInstanceProfile: !Ref BootstrapInstanceProfile InstanceType: !Ref BootstrapInstanceType NetworkInterfaces: - AssociatePublicIpAddress: "true" DeviceIndex: "0" GroupSet: - !Ref "BootstrapSecurityGroup" - !Ref "MasterSecurityGroupId" SubnetId: !Ref "PublicSubnet" UserData: Fn::Base64: !Sub - '{"ignition":{"config":{"replace":{"source":"USD{S3Loc}"}},"version":"3.1.0"}}' - { S3Loc: !Ref BootstrapIgnitionLocation } RegisterBootstrapApiTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref ExternalApiTargetGroupArn TargetIp: !GetAtt BootstrapInstance.PrivateIp RegisterBootstrapInternalApiTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalApiTargetGroupArn TargetIp: !GetAtt BootstrapInstance.PrivateIp RegisterBootstrapInternalServiceTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalServiceTargetGroupArn TargetIp: !GetAtt BootstrapInstance.PrivateIp Outputs: BootstrapInstanceId: Description: Bootstrap Instance ID. Value: !Ref BootstrapInstance BootstrapPublicIp: Description: The bootstrap node public IP address. Value: !GetAtt BootstrapInstance.PublicIp BootstrapPrivateIp: Description: The bootstrap node private IP address. Value: !GetAtt BootstrapInstance.PrivateIp Additional resources See RHCOS AMIs for the AWS infrastructure for details about the Red Hat Enterprise Linux CoreOS (RHCOS) AMIs for the AWS zones. 13.15. Creating the control plane machines in AWS You must create the control plane machines in Amazon Web Services (AWS) that your cluster will use. You can use the provided CloudFormation template and a custom parameter file to create a stack of AWS resources that represent the control plane nodes. Important The CloudFormation template creates a stack that represents three control plane nodes. Note If you do not use the provided CloudFormation template to create your control plane nodes, you must review the provided information and manually create the infrastructure. If your cluster does not initialize correctly, you might have to contact Red Hat support with your installation logs. Prerequisites You configured an AWS account. You added your AWS keys and region to your local AWS profile by running aws configure . You generated the Ignition config files for your cluster. You created and configured a VPC and associated subnets in AWS. You created and configured DNS, load balancers, and listeners in AWS. You created the security groups and roles required for your cluster in AWS. You created the bootstrap machine. Procedure Create a JSON file that contains the parameter values that the template requires: [ { "ParameterKey": "InfrastructureName", 1 "ParameterValue": "mycluster-<random_string>" 2 }, { "ParameterKey": "RhcosAmi", 3 "ParameterValue": "ami-<random_string>" 4 }, { "ParameterKey": "AutoRegisterDNS", 5 "ParameterValue": "yes" 6 }, { "ParameterKey": "PrivateHostedZoneId", 7 "ParameterValue": "<random_string>" 8 }, { "ParameterKey": "PrivateHostedZoneName", 9 "ParameterValue": "mycluster.example.com" 10 }, { "ParameterKey": "Master0Subnet", 11 "ParameterValue": "subnet-<random_string>" 12 }, { "ParameterKey": "Master1Subnet", 13 "ParameterValue": "subnet-<random_string>" 14 }, { "ParameterKey": "Master2Subnet", 15 "ParameterValue": "subnet-<random_string>" 16 }, { "ParameterKey": "MasterSecurityGroupId", 17 "ParameterValue": "sg-<random_string>" 18 }, { "ParameterKey": "IgnitionLocation", 19 "ParameterValue": "https://api-int.<cluster_name>.<domain_name>:22623/config/master" 20 }, { "ParameterKey": "CertificateAuthorities", 21 "ParameterValue": "data:text/plain;charset=utf-8;base64,ABC...xYz==" 22 }, { "ParameterKey": "MasterInstanceProfileName", 23 "ParameterValue": "<roles_stack>-MasterInstanceProfile-<random_string>" 24 }, { "ParameterKey": "MasterInstanceType", 25 "ParameterValue": "" 26 }, { "ParameterKey": "AutoRegisterELB", 27 "ParameterValue": "yes" 28 }, { "ParameterKey": "RegisterNlbIpTargetsLambdaArn", 29 "ParameterValue": "arn:aws:lambda:<aws_region>:<account_number>:function:<dns_stack_name>-RegisterNlbIpTargets-<random_string>" 30 }, { "ParameterKey": "ExternalApiTargetGroupArn", 31 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Exter-<random_string>" 32 }, { "ParameterKey": "InternalApiTargetGroupArn", 33 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Inter-<random_string>" 34 }, { "ParameterKey": "InternalServiceTargetGroupArn", 35 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Inter-<random_string>" 36 } ] 1 The name for your cluster infrastructure that is encoded in your Ignition config files for the cluster. 2 Specify the infrastructure name that you extracted from the Ignition config file metadata, which has the format <cluster-name>-<random-string> . 3 Current Red Hat Enterprise Linux CoreOS (RHCOS) AMI to use for the control plane machines based on your selected architecture. 4 Specify an AWS::EC2::Image::Id value. 5 Whether or not to perform DNS etcd registration. 6 Specify yes or no . If you specify yes , you must provide hosted zone information. 7 The Route 53 private zone ID to register the etcd targets with. 8 Specify the PrivateHostedZoneId value from the output of the CloudFormation template for DNS and load balancing. 9 The Route 53 zone to register the targets with. 10 Specify <cluster_name>.<domain_name> where <domain_name> is the Route 53 base domain that you used when you generated install-config.yaml file for the cluster. Do not include the trailing period (.) that is displayed in the AWS console. 11 13 15 A subnet, preferably private, to launch the control plane machines on. 12 14 16 Specify a subnet from the PrivateSubnets value from the output of the CloudFormation template for DNS and load balancing. 17 The master security group ID to associate with control plane nodes. 18 Specify the MasterSecurityGroupId value from the output of the CloudFormation template for the security group and roles. 19 The location to fetch control plane Ignition config file from. 20 Specify the generated Ignition config file location, https://api-int.<cluster_name>.<domain_name>:22623/config/master . 21 The base64 encoded certificate authority string to use. 22 Specify the value from the master.ign file that is in the installation directory. This value is the long string with the format data:text/plain;charset=utf-8;base64,ABC... xYz== . 23 The IAM profile to associate with control plane nodes. 24 Specify the MasterInstanceProfile parameter value from the output of the CloudFormation template for the security group and roles. 25 The type of AWS instance to use for the control plane machines based on your selected architecture. 26 The instance type value corresponds to the minimum resource requirements for control plane machines. For example m6i.xlarge is a type for AMD64 and m6g.xlarge is a type for ARM64. 27 Whether or not to register a network load balancer (NLB). 28 Specify yes or no . If you specify yes , you must provide a Lambda Amazon Resource Name (ARN) value. 29 The ARN for NLB IP target registration lambda group. 30 Specify the RegisterNlbIpTargetsLambda value from the output of the CloudFormation template for DNS and load balancing. Use arn:aws-us-gov if deploying the cluster to an AWS GovCloud region. 31 The ARN for external API load balancer target group. 32 Specify the ExternalApiTargetGroupArn value from the output of the CloudFormation template for DNS and load balancing. Use arn:aws-us-gov if deploying the cluster to an AWS GovCloud region. 33 The ARN for internal API load balancer target group. 34 Specify the InternalApiTargetGroupArn value from the output of the CloudFormation template for DNS and load balancing. Use arn:aws-us-gov if deploying the cluster to an AWS GovCloud region. 35 The ARN for internal service load balancer target group. 36 Specify the InternalServiceTargetGroupArn value from the output of the CloudFormation template for DNS and load balancing. Use arn:aws-us-gov if deploying the cluster to an AWS GovCloud region. Copy the template from the CloudFormation template for control plane machines section of this topic and save it as a YAML file on your computer. This template describes the control plane machines that your cluster requires. If you specified an m5 instance type as the value for MasterInstanceType , add that instance type to the MasterInstanceType.AllowedValues parameter in the CloudFormation template. Launch the CloudFormation template to create a stack of AWS resources that represent the control plane nodes: Important You must enter the command on a single line. USD aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml 2 --parameters file://<parameters>.json 3 1 <name> is the name for the CloudFormation stack, such as cluster-control-plane . You need the name of this stack if you remove the cluster. 2 <template> is the relative path to and name of the CloudFormation template YAML file that you saved. 3 <parameters> is the relative path to and name of the CloudFormation parameters JSON file. Example output arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-control-plane/21c7e2b0-2ee2-11eb-c6f6-0aa34627df4b Note The CloudFormation template creates a stack that represents three control plane nodes. Confirm that the template components exist: USD aws cloudformation describe-stacks --stack-name <name> 13.15.1. CloudFormation template for control plane machines You can use the following CloudFormation template to deploy the control plane machines that you need for your OpenShift Container Platform cluster. Example 13.21. CloudFormation template for control plane machines AWSTemplateFormatVersion: 2010-09-09 Description: Template for OpenShift Cluster Node Launch (EC2 master instances) Parameters: InfrastructureName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, unique cluster ID used to tag nodes for the kubelet cloud provider. Type: String RhcosAmi: Description: Current Red Hat Enterprise Linux CoreOS AMI to use for bootstrap. Type: AWS::EC2::Image::Id AutoRegisterDNS: Default: "" Description: unused Type: String PrivateHostedZoneId: Default: "" Description: unused Type: String PrivateHostedZoneName: Default: "" Description: unused Type: String Master0Subnet: Description: The subnets, recommend private, to launch the master nodes into. Type: AWS::EC2::Subnet::Id Master1Subnet: Description: The subnets, recommend private, to launch the master nodes into. Type: AWS::EC2::Subnet::Id Master2Subnet: Description: The subnets, recommend private, to launch the master nodes into. Type: AWS::EC2::Subnet::Id MasterSecurityGroupId: Description: The master security group ID to associate with master nodes. Type: AWS::EC2::SecurityGroup::Id IgnitionLocation: Default: https://api-int.USDCLUSTER_NAME.USDDOMAIN:22623/config/master Description: Ignition config file location. Type: String CertificateAuthorities: Default: data:text/plain;charset=utf-8;base64,ABC...xYz== Description: Base64 encoded certificate authority string to use. Type: String MasterInstanceProfileName: Description: IAM profile to associate with master nodes. Type: String MasterInstanceType: Default: m5.xlarge Type: String AutoRegisterELB: Default: "yes" AllowedValues: - "yes" - "no" Description: Do you want to invoke NLB registration, which requires a Lambda ARN parameter? Type: String RegisterNlbIpTargetsLambdaArn: Description: ARN for NLB IP target registration lambda. Supply the value from the cluster infrastructure or select "no" for AutoRegisterELB. Type: String ExternalApiTargetGroupArn: Description: ARN for external API load balancer target group. Supply the value from the cluster infrastructure or select "no" for AutoRegisterELB. Type: String InternalApiTargetGroupArn: Description: ARN for internal API load balancer target group. Supply the value from the cluster infrastructure or select "no" for AutoRegisterELB. Type: String InternalServiceTargetGroupArn: Description: ARN for internal service load balancer target group. Supply the value from the cluster infrastructure or select "no" for AutoRegisterELB. Type: String Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Cluster Information" Parameters: - InfrastructureName - Label: default: "Host Information" Parameters: - MasterInstanceType - RhcosAmi - IgnitionLocation - CertificateAuthorities - MasterSecurityGroupId - MasterInstanceProfileName - Label: default: "Network Configuration" Parameters: - VpcId - AllowedBootstrapSshCidr - Master0Subnet - Master1Subnet - Master2Subnet - Label: default: "Load Balancer Automation" Parameters: - AutoRegisterELB - RegisterNlbIpTargetsLambdaArn - ExternalApiTargetGroupArn - InternalApiTargetGroupArn - InternalServiceTargetGroupArn ParameterLabels: InfrastructureName: default: "Infrastructure Name" VpcId: default: "VPC ID" Master0Subnet: default: "Master-0 Subnet" Master1Subnet: default: "Master-1 Subnet" Master2Subnet: default: "Master-2 Subnet" MasterInstanceType: default: "Master Instance Type" MasterInstanceProfileName: default: "Master Instance Profile Name" RhcosAmi: default: "Red Hat Enterprise Linux CoreOS AMI ID" BootstrapIgnitionLocation: default: "Master Ignition Source" CertificateAuthorities: default: "Ignition CA String" MasterSecurityGroupId: default: "Master Security Group ID" AutoRegisterELB: default: "Use Provided ELB Automation" Conditions: DoRegistration: !Equals ["yes", !Ref AutoRegisterELB] Resources: Master0: Type: AWS::EC2::Instance Properties: ImageId: !Ref RhcosAmi BlockDeviceMappings: - DeviceName: /dev/xvda Ebs: VolumeSize: "120" VolumeType: "gp2" IamInstanceProfile: !Ref MasterInstanceProfileName InstanceType: !Ref MasterInstanceType NetworkInterfaces: - AssociatePublicIpAddress: "false" DeviceIndex: "0" GroupSet: - !Ref "MasterSecurityGroupId" SubnetId: !Ref "Master0Subnet" UserData: Fn::Base64: !Sub - '{"ignition":{"config":{"merge":[{"source":"USD{SOURCE}"}]},"security":{"tls":{"certificateAuthorities":[{"source":"USD{CA_BUNDLE}"}]}},"version":"3.1.0"}}' - { SOURCE: !Ref IgnitionLocation, CA_BUNDLE: !Ref CertificateAuthorities, } Tags: - Key: !Join ["", ["kubernetes.io/cluster/", !Ref InfrastructureName]] Value: "shared" RegisterMaster0: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref ExternalApiTargetGroupArn TargetIp: !GetAtt Master0.PrivateIp RegisterMaster0InternalApiTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalApiTargetGroupArn TargetIp: !GetAtt Master0.PrivateIp RegisterMaster0InternalServiceTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalServiceTargetGroupArn TargetIp: !GetAtt Master0.PrivateIp Master1: Type: AWS::EC2::Instance Properties: ImageId: !Ref RhcosAmi BlockDeviceMappings: - DeviceName: /dev/xvda Ebs: VolumeSize: "120" VolumeType: "gp2" IamInstanceProfile: !Ref MasterInstanceProfileName InstanceType: !Ref MasterInstanceType NetworkInterfaces: - AssociatePublicIpAddress: "false" DeviceIndex: "0" GroupSet: - !Ref "MasterSecurityGroupId" SubnetId: !Ref "Master1Subnet" UserData: Fn::Base64: !Sub - '{"ignition":{"config":{"merge":[{"source":"USD{SOURCE}"}]},"security":{"tls":{"certificateAuthorities":[{"source":"USD{CA_BUNDLE}"}]}},"version":"3.1.0"}}' - { SOURCE: !Ref IgnitionLocation, CA_BUNDLE: !Ref CertificateAuthorities, } Tags: - Key: !Join ["", ["kubernetes.io/cluster/", !Ref InfrastructureName]] Value: "shared" RegisterMaster1: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref ExternalApiTargetGroupArn TargetIp: !GetAtt Master1.PrivateIp RegisterMaster1InternalApiTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalApiTargetGroupArn TargetIp: !GetAtt Master1.PrivateIp RegisterMaster1InternalServiceTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalServiceTargetGroupArn TargetIp: !GetAtt Master1.PrivateIp Master2: Type: AWS::EC2::Instance Properties: ImageId: !Ref RhcosAmi BlockDeviceMappings: - DeviceName: /dev/xvda Ebs: VolumeSize: "120" VolumeType: "gp2" IamInstanceProfile: !Ref MasterInstanceProfileName InstanceType: !Ref MasterInstanceType NetworkInterfaces: - AssociatePublicIpAddress: "false" DeviceIndex: "0" GroupSet: - !Ref "MasterSecurityGroupId" SubnetId: !Ref "Master2Subnet" UserData: Fn::Base64: !Sub - '{"ignition":{"config":{"merge":[{"source":"USD{SOURCE}"}]},"security":{"tls":{"certificateAuthorities":[{"source":"USD{CA_BUNDLE}"}]}},"version":"3.1.0"}}' - { SOURCE: !Ref IgnitionLocation, CA_BUNDLE: !Ref CertificateAuthorities, } Tags: - Key: !Join ["", ["kubernetes.io/cluster/", !Ref InfrastructureName]] Value: "shared" RegisterMaster2: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref ExternalApiTargetGroupArn TargetIp: !GetAtt Master2.PrivateIp RegisterMaster2InternalApiTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalApiTargetGroupArn TargetIp: !GetAtt Master2.PrivateIp RegisterMaster2InternalServiceTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalServiceTargetGroupArn TargetIp: !GetAtt Master2.PrivateIp Outputs: PrivateIPs: Description: The control-plane node private IP addresses. Value: !Join [ ",", [!GetAtt Master0.PrivateIp, !GetAtt Master1.PrivateIp, !GetAtt Master2.PrivateIp] ] 13.16. Creating the worker nodes in AWS You can create worker nodes in Amazon Web Services (AWS) for your cluster to use. You can use the provided CloudFormation template and a custom parameter file to create a stack of AWS resources that represent a worker node. Important The CloudFormation template creates a stack that represents one worker node. You must create a stack for each worker node. Note If you do not use the provided CloudFormation template to create your worker nodes, you must review the provided information and manually create the infrastructure. If your cluster does not initialize correctly, you might have to contact Red Hat support with your installation logs. Prerequisites You configured an AWS account. You added your AWS keys and region to your local AWS profile by running aws configure . You generated the Ignition config files for your cluster. You created and configured a VPC and associated subnets in AWS. You created and configured DNS, load balancers, and listeners in AWS. You created the security groups and roles required for your cluster in AWS. You created the bootstrap machine. You created the control plane machines. Procedure Create a JSON file that contains the parameter values that the CloudFormation template requires: [ { "ParameterKey": "InfrastructureName", 1 "ParameterValue": "mycluster-<random_string>" 2 }, { "ParameterKey": "RhcosAmi", 3 "ParameterValue": "ami-<random_string>" 4 }, { "ParameterKey": "Subnet", 5 "ParameterValue": "subnet-<random_string>" 6 }, { "ParameterKey": "WorkerSecurityGroupId", 7 "ParameterValue": "sg-<random_string>" 8 }, { "ParameterKey": "IgnitionLocation", 9 "ParameterValue": "https://api-int.<cluster_name>.<domain_name>:22623/config/worker" 10 }, { "ParameterKey": "CertificateAuthorities", 11 "ParameterValue": "" 12 }, { "ParameterKey": "WorkerInstanceProfileName", 13 "ParameterValue": "" 14 }, { "ParameterKey": "WorkerInstanceType", 15 "ParameterValue": "" 16 } ] 1 The name for your cluster infrastructure that is encoded in your Ignition config files for the cluster. 2 Specify the infrastructure name that you extracted from the Ignition config file metadata, which has the format <cluster-name>-<random-string> . 3 Current Red Hat Enterprise Linux CoreOS (RHCOS) AMI to use for the worker nodes based on your selected architecture. 4 Specify an AWS::EC2::Image::Id value. 5 A subnet, preferably private, to start the worker nodes on. 6 Specify a subnet from the PrivateSubnets value from the output of the CloudFormation template for DNS and load balancing. 7 The worker security group ID to associate with worker nodes. 8 Specify the WorkerSecurityGroupId value from the output of the CloudFormation template for the security group and roles. 9 The location to fetch the bootstrap Ignition config file from. 10 Specify the generated Ignition config location, https://api-int.<cluster_name>.<domain_name>:22623/config/worker . 11 Base64 encoded certificate authority string to use. 12 Specify the value from the worker.ign file that is in the installation directory. This value is the long string with the format data:text/plain;charset=utf-8;base64,ABC... xYz== . 13 The IAM profile to associate with worker nodes. 14 Specify the WorkerInstanceProfile parameter value from the output of the CloudFormation template for the security group and roles. 15 The type of AWS instance to use for the compute machines based on your selected architecture. 16 The instance type value corresponds to the minimum resource requirements for compute machines. For example m6i.large is a type for AMD64 and m6g.large is a type for ARM64. Copy the template from the CloudFormation template for worker machines section of this topic and save it as a YAML file on your computer. This template describes the networking objects and load balancers that your cluster requires. Optional: If you specified an m5 instance type as the value for WorkerInstanceType , add that instance type to the WorkerInstanceType.AllowedValues parameter in the CloudFormation template. Optional: If you are deploying with an AWS Marketplace image, update the Worker0.type.properties.ImageID parameter with the AMI ID that you obtained from your subscription. Use the CloudFormation template to create a stack of AWS resources that represent a worker node: Important You must enter the command on a single line. USD aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml \ 2 --parameters file://<parameters>.json 3 1 <name> is the name for the CloudFormation stack, such as cluster-worker-1 . You need the name of this stack if you remove the cluster. 2 <template> is the relative path to and name of the CloudFormation template YAML file that you saved. 3 <parameters> is the relative path to and name of the CloudFormation parameters JSON file. Example output arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-worker-1/729ee301-1c2a-11eb-348f-sd9888c65b59 Note The CloudFormation template creates a stack that represents one worker node. Confirm that the template components exist: USD aws cloudformation describe-stacks --stack-name <name> Continue to create worker stacks until you have created enough worker machines for your cluster. You can create additional worker stacks by referencing the same template and parameter files and specifying a different stack name. Important You must create at least two worker machines, so you must create at least two stacks that use this CloudFormation template. 13.16.1. CloudFormation template for worker machines You can use the following CloudFormation template to deploy the worker machines that you need for your OpenShift Container Platform cluster. Example 13.22. CloudFormation template for worker machines AWSTemplateFormatVersion: 2010-09-09 Description: Template for OpenShift Cluster Node Launch (EC2 worker instance) Parameters: InfrastructureName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, unique cluster ID used to tag nodes for the kubelet cloud provider. Type: String RhcosAmi: Description: Current Red Hat Enterprise Linux CoreOS AMI to use for bootstrap. Type: AWS::EC2::Image::Id Subnet: Description: The subnets, recommend private, to launch the worker nodes into. Type: AWS::EC2::Subnet::Id WorkerSecurityGroupId: Description: The worker security group ID to associate with worker nodes. Type: AWS::EC2::SecurityGroup::Id IgnitionLocation: Default: https://api-int.USDCLUSTER_NAME.USDDOMAIN:22623/config/worker Description: Ignition config file location. Type: String CertificateAuthorities: Default: data:text/plain;charset=utf-8;base64,ABC...xYz== Description: Base64 encoded certificate authority string to use. Type: String WorkerInstanceProfileName: Description: IAM profile to associate with worker nodes. Type: String WorkerInstanceType: Default: m5.large Type: String Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Cluster Information" Parameters: - InfrastructureName - Label: default: "Host Information" Parameters: - WorkerInstanceType - RhcosAmi - IgnitionLocation - CertificateAuthorities - WorkerSecurityGroupId - WorkerInstanceProfileName - Label: default: "Network Configuration" Parameters: - Subnet ParameterLabels: Subnet: default: "Subnet" InfrastructureName: default: "Infrastructure Name" WorkerInstanceType: default: "Worker Instance Type" WorkerInstanceProfileName: default: "Worker Instance Profile Name" RhcosAmi: default: "Red Hat Enterprise Linux CoreOS AMI ID" IgnitionLocation: default: "Worker Ignition Source" CertificateAuthorities: default: "Ignition CA String" WorkerSecurityGroupId: default: "Worker Security Group ID" Resources: Worker0: Type: AWS::EC2::Instance Properties: ImageId: !Ref RhcosAmi BlockDeviceMappings: - DeviceName: /dev/xvda Ebs: VolumeSize: "120" VolumeType: "gp2" IamInstanceProfile: !Ref WorkerInstanceProfileName InstanceType: !Ref WorkerInstanceType NetworkInterfaces: - AssociatePublicIpAddress: "false" DeviceIndex: "0" GroupSet: - !Ref "WorkerSecurityGroupId" SubnetId: !Ref "Subnet" UserData: Fn::Base64: !Sub - '{"ignition":{"config":{"merge":[{"source":"USD{SOURCE}"}]},"security":{"tls":{"certificateAuthorities":[{"source":"USD{CA_BUNDLE}"}]}},"version":"3.1.0"}}' - { SOURCE: !Ref IgnitionLocation, CA_BUNDLE: !Ref CertificateAuthorities, } Tags: - Key: !Join ["", ["kubernetes.io/cluster/", !Ref InfrastructureName]] Value: "shared" Outputs: PrivateIP: Description: The compute node private IP address. Value: !GetAtt Worker0.PrivateIp 13.17. Initializing the bootstrap sequence on AWS with user-provisioned infrastructure After you create all of the required infrastructure in Amazon Web Services (AWS), you can start the bootstrap sequence that initializes the OpenShift Container Platform control plane. Prerequisites You configured an AWS account. You added your AWS keys and region to your local AWS profile by running aws configure . You generated the Ignition config files for your cluster. You created and configured a VPC and associated subnets in AWS. You created and configured DNS, load balancers, and listeners in AWS. You created the security groups and roles required for your cluster in AWS. You created the bootstrap machine. You created the control plane machines. You created the worker nodes. Procedure Change to the directory that contains the installation program and start the bootstrap process that initializes the OpenShift Container Platform control plane: USD ./openshift-install wait-for bootstrap-complete --dir <installation_directory> \ 1 --log-level=info 2 1 For <installation_directory> , specify the path to the directory that you stored the installation files in. 2 To view different installation details, specify warn , debug , or error instead of info . Example output INFO Waiting up to 20m0s for the Kubernetes API at https://api.mycluster.example.com:6443... INFO API v1.28.5 up INFO Waiting up to 30m0s for bootstrapping to complete... INFO It is now safe to remove the bootstrap resources INFO Time elapsed: 1s If the command exits without a FATAL warning, your OpenShift Container Platform control plane has initialized. Note After the control plane initializes, it sets up the compute nodes and installs additional services in the form of Operators. Additional resources See Monitoring installation progress for details about monitoring the installation, bootstrap, and control plane logs as an OpenShift Container Platform installation progresses. See Gathering bootstrap node diagnostic data for information about troubleshooting issues related to the bootstrap process. 13.18. Logging in to the cluster by using the CLI You can log in to your cluster as a default system user by exporting the cluster kubeconfig file. The kubeconfig file contains information about the cluster that is used by the CLI to connect a client to the correct cluster and API server. The file is specific to a cluster and is created during OpenShift Container Platform installation. Prerequisites You deployed an OpenShift Container Platform cluster. You installed the oc CLI. Procedure Export the kubeadmin credentials: USD export KUBECONFIG=<installation_directory>/auth/kubeconfig 1 1 For <installation_directory> , specify the path to the directory that you stored the installation files in. Verify you can run oc commands successfully using the exported configuration: USD oc whoami Example output system:admin 13.19. Approving the certificate signing requests for your machines When you add machines to a cluster, two pending certificate signing requests (CSRs) are generated for each machine that you added. You must confirm that these CSRs are approved or, if necessary, approve them yourself. The client requests must be approved first, followed by the server requests. Prerequisites You added machines to your cluster. Procedure Confirm that the cluster recognizes the machines: USD oc get nodes Example output NAME STATUS ROLES AGE VERSION master-0 Ready master 63m v1.28.5 master-1 Ready master 63m v1.28.5 master-2 Ready master 64m v1.28.5 The output lists all of the machines that you created. Note The preceding output might not include the compute nodes, also known as worker nodes, until some CSRs are approved. Review the pending CSRs and ensure that you see the client requests with the Pending or Approved status for each machine that you added to the cluster: USD oc get csr Example output NAME AGE REQUESTOR CONDITION csr-8b2br 15m system:serviceaccount:openshift-machine-config-operator:node-bootstrapper Pending csr-8vnps 15m system:serviceaccount:openshift-machine-config-operator:node-bootstrapper Pending ... In this example, two machines are joining the cluster. You might see more approved CSRs in the list. If the CSRs were not approved, after all of the pending CSRs for the machines you added are in Pending status, approve the CSRs for your cluster machines: Note Because the CSRs rotate automatically, approve your CSRs within an hour of adding the machines to the cluster. If you do not approve them within an hour, the certificates will rotate, and more than two certificates will be present for each node. You must approve all of these certificates. After the client CSR is approved, the Kubelet creates a secondary CSR for the serving certificate, which requires manual approval. Then, subsequent serving certificate renewal requests are automatically approved by the machine-approver if the Kubelet requests a new certificate with identical parameters. Note For clusters running on platforms that are not machine API enabled, such as bare metal and other user-provisioned infrastructure, you must implement a method of automatically approving the kubelet serving certificate requests (CSRs). If a request is not approved, then the oc exec , oc rsh , and oc logs commands cannot succeed, because a serving certificate is required when the API server connects to the kubelet. Any operation that contacts the Kubelet endpoint requires this certificate approval to be in place. The method must watch for new CSRs, confirm that the CSR was submitted by the node-bootstrapper service account in the system:node or system:admin groups, and confirm the identity of the node. To approve them individually, run the following command for each valid CSR: USD oc adm certificate approve <csr_name> 1 1 <csr_name> is the name of a CSR from the list of current CSRs. To approve all pending CSRs, run the following command: USD oc get csr -o go-template='{{range .items}}{{if not .status}}{{.metadata.name}}{{"\n"}}{{end}}{{end}}' | xargs --no-run-if-empty oc adm certificate approve Note Some Operators might not become available until some CSRs are approved. Now that your client requests are approved, you must review the server requests for each machine that you added to the cluster: USD oc get csr Example output NAME AGE REQUESTOR CONDITION csr-bfd72 5m26s system:node:ip-10-0-50-126.us-east-2.compute.internal Pending csr-c57lv 5m26s system:node:ip-10-0-95-157.us-east-2.compute.internal Pending ... If the remaining CSRs are not approved, and are in the Pending status, approve the CSRs for your cluster machines: To approve them individually, run the following command for each valid CSR: USD oc adm certificate approve <csr_name> 1 1 <csr_name> is the name of a CSR from the list of current CSRs. To approve all pending CSRs, run the following command: USD oc get csr -o go-template='{{range .items}}{{if not .status}}{{.metadata.name}}{{"\n"}}{{end}}{{end}}' | xargs oc adm certificate approve After all client and server CSRs have been approved, the machines have the Ready status. Verify this by running the following command: USD oc get nodes Example output NAME STATUS ROLES AGE VERSION master-0 Ready master 73m v1.28.5 master-1 Ready master 73m v1.28.5 master-2 Ready master 74m v1.28.5 worker-0 Ready worker 11m v1.28.5 worker-1 Ready worker 11m v1.28.5 Note It can take a few minutes after approval of the server CSRs for the machines to transition to the Ready status. Additional information For more information on CSRs, see Certificate Signing Requests . 13.20. Initial Operator configuration After the control plane initializes, you must immediately configure some Operators so that they all become available. Prerequisites Your control plane has initialized. Procedure Watch the cluster components come online: USD watch -n5 oc get clusteroperators Example output NAME VERSION AVAILABLE PROGRESSING DEGRADED SINCE authentication 4.15.0 True False False 19m baremetal 4.15.0 True False False 37m cloud-credential 4.15.0 True False False 40m cluster-autoscaler 4.15.0 True False False 37m config-operator 4.15.0 True False False 38m console 4.15.0 True False False 26m csi-snapshot-controller 4.15.0 True False False 37m dns 4.15.0 True False False 37m etcd 4.15.0 True False False 36m image-registry 4.15.0 True False False 31m ingress 4.15.0 True False False 30m insights 4.15.0 True False False 31m kube-apiserver 4.15.0 True False False 26m kube-controller-manager 4.15.0 True False False 36m kube-scheduler 4.15.0 True False False 36m kube-storage-version-migrator 4.15.0 True False False 37m machine-api 4.15.0 True False False 29m machine-approver 4.15.0 True False False 37m machine-config 4.15.0 True False False 36m marketplace 4.15.0 True False False 37m monitoring 4.15.0 True False False 29m network 4.15.0 True False False 38m node-tuning 4.15.0 True False False 37m openshift-apiserver 4.15.0 True False False 32m openshift-controller-manager 4.15.0 True False False 30m openshift-samples 4.15.0 True False False 32m operator-lifecycle-manager 4.15.0 True False False 37m operator-lifecycle-manager-catalog 4.15.0 True False False 37m operator-lifecycle-manager-packageserver 4.15.0 True False False 32m service-ca 4.15.0 True False False 38m storage 4.15.0 True False False 37m Configure the Operators that are not available. 13.20.1. Disabling the default OperatorHub catalog sources Operator catalogs that source content provided by Red Hat and community projects are configured for OperatorHub by default during an OpenShift Container Platform installation. In a restricted network environment, you must disable the default catalogs as a cluster administrator. Procedure Disable the sources for the default catalogs by adding disableAllDefaultSources: true to the OperatorHub object: USD oc patch OperatorHub cluster --type json \ -p '[{"op": "add", "path": "/spec/disableAllDefaultSources", "value": true}]' Tip Alternatively, you can use the web console to manage catalog sources. From the Administration Cluster Settings Configuration OperatorHub page, click the Sources tab, where you can create, update, delete, disable, and enable individual sources. 13.20.2. Image registry storage configuration Amazon Web Services provides default storage, which means the Image Registry Operator is available after installation. However, if the Registry Operator cannot create an S3 bucket and automatically configure storage, you must manually configure registry storage. Instructions are shown for configuring a persistent volume, which is required for production clusters. Where applicable, instructions are shown for configuring an empty directory as the storage location, which is available for only non-production clusters. Additional instructions are provided for allowing the image registry to use block storage types by using the Recreate rollout strategy during upgrades. 13.20.2.1. Configuring registry storage for AWS with user-provisioned infrastructure During installation, your cloud credentials are sufficient to create an Amazon S3 bucket and the Registry Operator will automatically configure storage. If the Registry Operator cannot create an S3 bucket and automatically configure storage, you can create an S3 bucket and configure storage with the following procedure. Prerequisites You have a cluster on AWS with user-provisioned infrastructure. For Amazon S3 storage, the secret is expected to contain two keys: REGISTRY_STORAGE_S3_ACCESSKEY REGISTRY_STORAGE_S3_SECRETKEY Procedure Use the following procedure if the Registry Operator cannot create an S3 bucket and automatically configure storage. Set up a Bucket Lifecycle Policy to abort incomplete multipart uploads that are one day old. Fill in the storage configuration in configs.imageregistry.operator.openshift.io/cluster : USD oc edit configs.imageregistry.operator.openshift.io/cluster Example configuration storage: s3: bucket: <bucket-name> region: <region-name> Warning To secure your registry images in AWS, block public access to the S3 bucket. 13.20.2.2. Configuring storage for the image registry in non-production clusters You must configure storage for the Image Registry Operator. For non-production clusters, you can set the image registry to an empty directory. If you do so, all images are lost if you restart the registry. Procedure To set the image registry storage to an empty directory: USD oc patch configs.imageregistry.operator.openshift.io cluster --type merge --patch '{"spec":{"storage":{"emptyDir":{}}}}' Warning Configure this option for only non-production clusters. If you run this command before the Image Registry Operator initializes its components, the oc patch command fails with the following error: Error from server (NotFound): configs.imageregistry.operator.openshift.io "cluster" not found Wait a few minutes and run the command again. 13.21. Deleting the bootstrap resources After you complete the initial Operator configuration for the cluster, remove the bootstrap resources from Amazon Web Services (AWS). Prerequisites You completed the initial Operator configuration for your cluster. Procedure Delete the bootstrap resources. If you used the CloudFormation template, delete its stack : Delete the stack by using the AWS CLI: USD aws cloudformation delete-stack --stack-name <name> 1 1 <name> is the name of your bootstrap stack. Delete the stack by using the AWS CloudFormation console . 13.22. Creating the Ingress DNS Records If you removed the DNS Zone configuration, manually create DNS records that point to the Ingress load balancer. You can create either a wildcard record or specific records. While the following procedure uses A records, you can use other record types that you require, such as CNAME or alias. Prerequisites You deployed an OpenShift Container Platform cluster on Amazon Web Services (AWS) that uses infrastructure that you provisioned. You installed the OpenShift CLI ( oc ). You installed the jq package. You downloaded the AWS CLI and installed it on your computer. See Install the AWS CLI Using the Bundled Installer (Linux, macOS, or Unix) . Procedure Determine the routes to create. To create a wildcard record, use *.apps.<cluster_name>.<domain_name> , where <cluster_name> is your cluster name, and <domain_name> is the Route 53 base domain for your OpenShift Container Platform cluster. To create specific records, you must create a record for each route that your cluster uses, as shown in the output of the following command: USD oc get --all-namespaces -o jsonpath='{range .items[*]}{range .status.ingress[*]}{.host}{"\n"}{end}{end}' routes Example output oauth-openshift.apps.<cluster_name>.<domain_name> console-openshift-console.apps.<cluster_name>.<domain_name> downloads-openshift-console.apps.<cluster_name>.<domain_name> alertmanager-main-openshift-monitoring.apps.<cluster_name>.<domain_name> prometheus-k8s-openshift-monitoring.apps.<cluster_name>.<domain_name> Retrieve the Ingress Operator load balancer status and note the value of the external IP address that it uses, which is shown in the EXTERNAL-IP column: USD oc -n openshift-ingress get service router-default Example output NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE router-default LoadBalancer 172.30.62.215 ab3...28.us-east-2.elb.amazonaws.com 80:31499/TCP,443:30693/TCP 5m Locate the hosted zone ID for the load balancer: USD aws elb describe-load-balancers | jq -r '.LoadBalancerDescriptions[] | select(.DNSName == "<external_ip>").CanonicalHostedZoneNameID' 1 1 For <external_ip> , specify the value of the external IP address of the Ingress Operator load balancer that you obtained. Example output Z3AADJGX6KTTL2 The output of this command is the load balancer hosted zone ID. Obtain the public hosted zone ID for your cluster's domain: USD aws route53 list-hosted-zones-by-name \ --dns-name "<domain_name>" \ 1 --query 'HostedZones[? Config.PrivateZone != `true` && Name == `<domain_name>.`].Id' 2 --output text 1 2 For <domain_name> , specify the Route 53 base domain for your OpenShift Container Platform cluster. Example output /hostedzone/Z3URY6TWQ91KVV The public hosted zone ID for your domain is shown in the command output. In this example, it is Z3URY6TWQ91KVV . Add the alias records to your private zone: USD aws route53 change-resource-record-sets --hosted-zone-id "<private_hosted_zone_id>" --change-batch '{ 1 > "Changes": [ > { > "Action": "CREATE", > "ResourceRecordSet": { > "Name": "\\052.apps.<cluster_domain>", 2 > "Type": "A", > "AliasTarget":{ > "HostedZoneId": "<hosted_zone_id>", 3 > "DNSName": "<external_ip>.", 4 > "EvaluateTargetHealth": false > } > } > } > ] > }' 1 For <private_hosted_zone_id> , specify the value from the output of the CloudFormation template for DNS and load balancing. 2 For <cluster_domain> , specify the domain or subdomain that you use with your OpenShift Container Platform cluster. 3 For <hosted_zone_id> , specify the public hosted zone ID for the load balancer that you obtained. 4 For <external_ip> , specify the value of the external IP address of the Ingress Operator load balancer. Ensure that you include the trailing period ( . ) in this parameter value. Add the records to your public zone: USD aws route53 change-resource-record-sets --hosted-zone-id "<public_hosted_zone_id>"" --change-batch '{ 1 > "Changes": [ > { > "Action": "CREATE", > "ResourceRecordSet": { > "Name": "\\052.apps.<cluster_domain>", 2 > "Type": "A", > "AliasTarget":{ > "HostedZoneId": "<hosted_zone_id>", 3 > "DNSName": "<external_ip>.", 4 > "EvaluateTargetHealth": false > } > } > } > ] > }' 1 For <public_hosted_zone_id> , specify the public hosted zone for your domain. 2 For <cluster_domain> , specify the domain or subdomain that you use with your OpenShift Container Platform cluster. 3 For <hosted_zone_id> , specify the public hosted zone ID for the load balancer that you obtained. 4 For <external_ip> , specify the value of the external IP address of the Ingress Operator load balancer. Ensure that you include the trailing period ( . ) in this parameter value. 13.23. Completing an AWS installation on user-provisioned infrastructure After you start the OpenShift Container Platform installation on Amazon Web Service (AWS) user-provisioned infrastructure, monitor the deployment to completion. Prerequisites You removed the bootstrap node for an OpenShift Container Platform cluster on user-provisioned AWS infrastructure. You installed the oc CLI. Procedure From the directory that contains the installation program, complete the cluster installation: USD ./openshift-install --dir <installation_directory> wait-for install-complete 1 1 For <installation_directory> , specify the path to the directory that you stored the installation files in. Example output INFO Waiting up to 40m0s for the cluster at https://api.mycluster.example.com:6443 to initialize... INFO Waiting up to 10m0s for the openshift-console route to be created... INFO Install complete! INFO To access the cluster as the system:admin user when using 'oc', run 'export KUBECONFIG=/home/myuser/install_dir/auth/kubeconfig' INFO Access the OpenShift web-console here: https://console-openshift-console.apps.mycluster.example.com INFO Login to the console with user: "kubeadmin", and password: "password" INFO Time elapsed: 1s Important The Ignition config files that the installation program generates contain certificates that expire after 24 hours, which are then renewed at that time. If the cluster is shut down before renewing the certificates and the cluster is later restarted after the 24 hours have elapsed, the cluster automatically recovers the expired certificates. The exception is that you must manually approve the pending node-bootstrapper certificate signing requests (CSRs) to recover kubelet certificates. See the documentation for Recovering from expired control plane certificates for more information. It is recommended that you use Ignition config files within 12 hours after they are generated because the 24-hour certificate rotates from 16 to 22 hours after the cluster is installed. By using the Ignition config files within 12 hours, you can avoid installation failure if the certificate update runs during installation. Register your cluster on the Cluster registration page. 13.24. Logging in to the cluster by using the web console The kubeadmin user exists by default after an OpenShift Container Platform installation. You can log in to your cluster as the kubeadmin user by using the OpenShift Container Platform web console. Prerequisites You have access to the installation host. You completed a cluster installation and all cluster Operators are available. Procedure Obtain the password for the kubeadmin user from the kubeadmin-password file on the installation host: USD cat <installation_directory>/auth/kubeadmin-password Note Alternatively, you can obtain the kubeadmin password from the <installation_directory>/.openshift_install.log log file on the installation host. List the OpenShift Container Platform web console route: USD oc get routes -n openshift-console | grep 'console-openshift' Note Alternatively, you can obtain the OpenShift Container Platform route from the <installation_directory>/.openshift_install.log log file on the installation host. Example output console console-openshift-console.apps.<cluster_name>.<base_domain> console https reencrypt/Redirect None Navigate to the route detailed in the output of the preceding command in a web browser and log in as the kubeadmin user. Additional resources See Accessing the web console for more details about accessing and understanding the OpenShift Container Platform web console. 13.25. Telemetry access for OpenShift Container Platform In OpenShift Container Platform 4.15, the Telemetry service, which runs by default to provide metrics about cluster health and the success of updates, requires internet access. If your cluster is connected to the internet, Telemetry runs automatically, and your cluster is registered to OpenShift Cluster Manager . After you confirm that your OpenShift Cluster Manager inventory is correct, either maintained automatically by Telemetry or manually by using OpenShift Cluster Manager, use subscription watch to track your OpenShift Container Platform subscriptions at the account or multi-cluster level. Additional resources See About remote health monitoring for more information about the Telemetry service 13.26. Additional resources See Working with stacks in the AWS documentation for more information about AWS CloudFormation stacks. 13.27. steps Validate an installation . Customize your cluster . Configure image streams for the Cluster Samples Operator and the must-gather tool. Learn how to use Operator Lifecycle Manager (OLM) on restricted networks . If the mirror registry that you used to install your cluster has a trusted CA, add it to the cluster by configuring additional trust stores . If necessary, you can opt out of remote health reporting . If necessary, see Registering your disconnected cluster If necessary, you can remove cloud provider credentials .
ssh-keygen -t ed25519 -N '' -f <path>/<file_name> 1 cat <path>/<file_name>.pub cat ~/.ssh/id_ed25519.pub eval "USD(ssh-agent -s)" Agent pid 31874 ssh-add <path>/<file_name> 1 Identity added: /home/<you>/<path>/<file_name> (<computer_name>) mkdir USDHOME/clusterconfig openshift-install create manifests --dir USDHOME/clusterconfig ? SSH Public Key INFO Credentials loaded from the "myprofile" profile in file "/home/myuser/.aws/credentials" INFO Consuming Install Config from target directory INFO Manifests created in: USDHOME/clusterconfig/manifests and USDHOME/clusterconfig/openshift ls USDHOME/clusterconfig/openshift/ 99_kubeadmin-password-secret.yaml 99_openshift-cluster-api_master-machines-0.yaml 99_openshift-cluster-api_master-machines-1.yaml 99_openshift-cluster-api_master-machines-2.yaml variant: openshift version: 4.15.0 metadata: labels: machineconfiguration.openshift.io/role: worker name: 98-var-partition storage: disks: - device: /dev/disk/by-id/<device_name> 1 partitions: - label: var start_mib: <partition_start_offset> 2 size_mib: <partition_size> 3 number: 5 filesystems: - device: /dev/disk/by-partlabel/var path: /var format: xfs mount_options: [defaults, prjquota] 4 with_mount_unit: true butane USDHOME/clusterconfig/98-var-partition.bu -o USDHOME/clusterconfig/openshift/98-var-partition.yaml openshift-install create ignition-configs --dir USDHOME/clusterconfig ls USDHOME/clusterconfig/ auth bootstrap.ign master.ign metadata.json worker.ign ./openshift-install create install-config --dir <installation_directory> 1 pullSecret: '{"auths":{"<local_registry>": {"auth": "<credentials>","email": "you@example.com"}}}' additionalTrustBundle: | -----BEGIN CERTIFICATE----- ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ -----END CERTIFICATE----- imageContentSources: - mirrors: - <local_registry>/<local_repository_name>/release source: quay.io/openshift-release-dev/ocp-release - mirrors: - <local_registry>/<local_repository_name>/release source: quay.io/openshift-release-dev/ocp-v4.0-art-dev publish: Internal apiVersion: v1 baseDomain: my.domain.com proxy: httpProxy: http://<username>:<pswd>@<ip>:<port> 1 httpsProxy: https://<username>:<pswd>@<ip>:<port> 2 noProxy: ec2.<aws_region>.amazonaws.com,elasticloadbalancing.<aws_region>.amazonaws.com,s3.<aws_region>.amazonaws.com 3 additionalTrustBundle: | 4 -----BEGIN CERTIFICATE----- <MY_TRUSTED_CA_CERT> -----END CERTIFICATE----- additionalTrustBundlePolicy: <policy_to_add_additionalTrustBundle> 5 ./openshift-install wait-for install-complete --log-level debug ./openshift-install create manifests --dir <installation_directory> 1 rm -f <installation_directory>/openshift/99_openshift-cluster-api_master-machines-*.yaml rm -f <installation_directory>/openshift/99_openshift-machine-api_master-control-plane-machine-set.yaml rm -f <installation_directory>/openshift/99_openshift-cluster-api_worker-machineset-*.yaml apiVersion: config.openshift.io/v1 kind: DNS metadata: creationTimestamp: null name: cluster spec: baseDomain: example.openshift.com privateZone: 1 id: mycluster-100419-private-zone publicZone: 2 id: example.openshift.com status: {} ./openshift-install create ignition-configs --dir <installation_directory> 1 . ├── auth │ ├── kubeadmin-password │ └── kubeconfig ├── bootstrap.ign ├── master.ign ├── metadata.json └── worker.ign jq -r .infraID <installation_directory>/metadata.json 1 openshift-vw9j6 1 [ { "ParameterKey": "VpcCidr", 1 "ParameterValue": "10.0.0.0/16" 2 }, { "ParameterKey": "AvailabilityZoneCount", 3 "ParameterValue": "1" 4 }, { "ParameterKey": "SubnetBits", 5 "ParameterValue": "12" 6 } ] aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml 2 --parameters file://<parameters>.json 3 arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-vpc/dbedae40-2fd3-11eb-820e-12a48460849f aws cloudformation describe-stacks --stack-name <name> AWSTemplateFormatVersion: 2010-09-09 Description: Template for Best Practice VPC with 1-3 AZs Parameters: VpcCidr: AllowedPattern: ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(1[6-9]|2[0-4]))USD ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-24. Default: 10.0.0.0/16 Description: CIDR block for VPC. Type: String AvailabilityZoneCount: ConstraintDescription: "The number of availability zones. (Min: 1, Max: 3)" MinValue: 1 MaxValue: 3 Default: 1 Description: "How many AZs to create VPC subnets for. (Min: 1, Max: 3)" Type: Number SubnetBits: ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/19-27. MinValue: 5 MaxValue: 13 Default: 12 Description: "Size of each subnet to create within the availability zones. (Min: 5 = /27, Max: 13 = /19)" Type: Number Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Network Configuration" Parameters: - VpcCidr - SubnetBits - Label: default: "Availability Zones" Parameters: - AvailabilityZoneCount ParameterLabels: AvailabilityZoneCount: default: "Availability Zone Count" VpcCidr: default: "VPC CIDR" SubnetBits: default: "Bits Per Subnet" Conditions: DoAz3: !Equals [3, !Ref AvailabilityZoneCount] DoAz2: !Or [!Equals [2, !Ref AvailabilityZoneCount], Condition: DoAz3] Resources: VPC: Type: "AWS::EC2::VPC" Properties: EnableDnsSupport: "true" EnableDnsHostnames: "true" CidrBlock: !Ref VpcCidr PublicSubnet: Type: "AWS::EC2::Subnet" Properties: VpcId: !Ref VPC CidrBlock: !Select [0, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 0 - Fn::GetAZs: !Ref "AWS::Region" PublicSubnet2: Type: "AWS::EC2::Subnet" Condition: DoAz2 Properties: VpcId: !Ref VPC CidrBlock: !Select [1, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 1 - Fn::GetAZs: !Ref "AWS::Region" PublicSubnet3: Type: "AWS::EC2::Subnet" Condition: DoAz3 Properties: VpcId: !Ref VPC CidrBlock: !Select [2, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 2 - Fn::GetAZs: !Ref "AWS::Region" InternetGateway: Type: "AWS::EC2::InternetGateway" GatewayToInternet: Type: "AWS::EC2::VPCGatewayAttachment" Properties: VpcId: !Ref VPC InternetGatewayId: !Ref InternetGateway PublicRouteTable: Type: "AWS::EC2::RouteTable" Properties: VpcId: !Ref VPC PublicRoute: Type: "AWS::EC2::Route" DependsOn: GatewayToInternet Properties: RouteTableId: !Ref PublicRouteTable DestinationCidrBlock: 0.0.0.0/0 GatewayId: !Ref InternetGateway PublicSubnetRouteTableAssociation: Type: "AWS::EC2::SubnetRouteTableAssociation" Properties: SubnetId: !Ref PublicSubnet RouteTableId: !Ref PublicRouteTable PublicSubnetRouteTableAssociation2: Type: "AWS::EC2::SubnetRouteTableAssociation" Condition: DoAz2 Properties: SubnetId: !Ref PublicSubnet2 RouteTableId: !Ref PublicRouteTable PublicSubnetRouteTableAssociation3: Condition: DoAz3 Type: "AWS::EC2::SubnetRouteTableAssociation" Properties: SubnetId: !Ref PublicSubnet3 RouteTableId: !Ref PublicRouteTable PrivateSubnet: Type: "AWS::EC2::Subnet" Properties: VpcId: !Ref VPC CidrBlock: !Select [3, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 0 - Fn::GetAZs: !Ref "AWS::Region" PrivateRouteTable: Type: "AWS::EC2::RouteTable" Properties: VpcId: !Ref VPC PrivateSubnetRouteTableAssociation: Type: "AWS::EC2::SubnetRouteTableAssociation" Properties: SubnetId: !Ref PrivateSubnet RouteTableId: !Ref PrivateRouteTable NAT: DependsOn: - GatewayToInternet Type: "AWS::EC2::NatGateway" Properties: AllocationId: "Fn::GetAtt": - EIP - AllocationId SubnetId: !Ref PublicSubnet EIP: Type: "AWS::EC2::EIP" Properties: Domain: vpc Route: Type: "AWS::EC2::Route" Properties: RouteTableId: Ref: PrivateRouteTable DestinationCidrBlock: 0.0.0.0/0 NatGatewayId: Ref: NAT PrivateSubnet2: Type: "AWS::EC2::Subnet" Condition: DoAz2 Properties: VpcId: !Ref VPC CidrBlock: !Select [4, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 1 - Fn::GetAZs: !Ref "AWS::Region" PrivateRouteTable2: Type: "AWS::EC2::RouteTable" Condition: DoAz2 Properties: VpcId: !Ref VPC PrivateSubnetRouteTableAssociation2: Type: "AWS::EC2::SubnetRouteTableAssociation" Condition: DoAz2 Properties: SubnetId: !Ref PrivateSubnet2 RouteTableId: !Ref PrivateRouteTable2 NAT2: DependsOn: - GatewayToInternet Type: "AWS::EC2::NatGateway" Condition: DoAz2 Properties: AllocationId: "Fn::GetAtt": - EIP2 - AllocationId SubnetId: !Ref PublicSubnet2 EIP2: Type: "AWS::EC2::EIP" Condition: DoAz2 Properties: Domain: vpc Route2: Type: "AWS::EC2::Route" Condition: DoAz2 Properties: RouteTableId: Ref: PrivateRouteTable2 DestinationCidrBlock: 0.0.0.0/0 NatGatewayId: Ref: NAT2 PrivateSubnet3: Type: "AWS::EC2::Subnet" Condition: DoAz3 Properties: VpcId: !Ref VPC CidrBlock: !Select [5, !Cidr [!Ref VpcCidr, 6, !Ref SubnetBits]] AvailabilityZone: !Select - 2 - Fn::GetAZs: !Ref "AWS::Region" PrivateRouteTable3: Type: "AWS::EC2::RouteTable" Condition: DoAz3 Properties: VpcId: !Ref VPC PrivateSubnetRouteTableAssociation3: Type: "AWS::EC2::SubnetRouteTableAssociation" Condition: DoAz3 Properties: SubnetId: !Ref PrivateSubnet3 RouteTableId: !Ref PrivateRouteTable3 NAT3: DependsOn: - GatewayToInternet Type: "AWS::EC2::NatGateway" Condition: DoAz3 Properties: AllocationId: "Fn::GetAtt": - EIP3 - AllocationId SubnetId: !Ref PublicSubnet3 EIP3: Type: "AWS::EC2::EIP" Condition: DoAz3 Properties: Domain: vpc Route3: Type: "AWS::EC2::Route" Condition: DoAz3 Properties: RouteTableId: Ref: PrivateRouteTable3 DestinationCidrBlock: 0.0.0.0/0 NatGatewayId: Ref: NAT3 S3Endpoint: Type: AWS::EC2::VPCEndpoint Properties: PolicyDocument: Version: 2012-10-17 Statement: - Effect: Allow Principal: '*' Action: - '*' Resource: - '*' RouteTableIds: - !Ref PublicRouteTable - !Ref PrivateRouteTable - !If [DoAz2, !Ref PrivateRouteTable2, !Ref "AWS::NoValue"] - !If [DoAz3, !Ref PrivateRouteTable3, !Ref "AWS::NoValue"] ServiceName: !Join - '' - - com.amazonaws. - !Ref 'AWS::Region' - .s3 VpcId: !Ref VPC Outputs: VpcId: Description: ID of the new VPC. Value: !Ref VPC PublicSubnetIds: Description: Subnet IDs of the public subnets. Value: !Join [ ",", [!Ref PublicSubnet, !If [DoAz2, !Ref PublicSubnet2, !Ref "AWS::NoValue"], !If [DoAz3, !Ref PublicSubnet3, !Ref "AWS::NoValue"]] ] PrivateSubnetIds: Description: Subnet IDs of the private subnets. Value: !Join [ ",", [!Ref PrivateSubnet, !If [DoAz2, !Ref PrivateSubnet2, !Ref "AWS::NoValue"], !If [DoAz3, !Ref PrivateSubnet3, !Ref "AWS::NoValue"]] ] PublicRouteTableId: Description: Public Route table ID Value: !Ref PublicRouteTable PrivateRouteTableIds: Description: Private Route table IDs Value: !Join [ ",", [ !Join ["=", [ !Select [0, "Fn::GetAZs": !Ref "AWS::Region"], !Ref PrivateRouteTable ]], !If [DoAz2, !Join ["=", [!Select [1, "Fn::GetAZs": !Ref "AWS::Region"], !Ref PrivateRouteTable2]], !Ref "AWS::NoValue" ], !If [DoAz3, !Join ["=", [!Select [2, "Fn::GetAZs": !Ref "AWS::Region"], !Ref PrivateRouteTable3]], !Ref "AWS::NoValue" ] ] ] aws route53 list-hosted-zones-by-name --dns-name <route53_domain> 1 mycluster.example.com. False 100 HOSTEDZONES 65F8F38E-2268-B835-E15C-AB55336FCBFA /hostedzone/Z21IXYZABCZ2A4 mycluster.example.com. 10 [ { "ParameterKey": "ClusterName", 1 "ParameterValue": "mycluster" 2 }, { "ParameterKey": "InfrastructureName", 3 "ParameterValue": "mycluster-<random_string>" 4 }, { "ParameterKey": "HostedZoneId", 5 "ParameterValue": "<random_string>" 6 }, { "ParameterKey": "HostedZoneName", 7 "ParameterValue": "example.com" 8 }, { "ParameterKey": "PublicSubnets", 9 "ParameterValue": "subnet-<random_string>" 10 }, { "ParameterKey": "PrivateSubnets", 11 "ParameterValue": "subnet-<random_string>" 12 }, { "ParameterKey": "VpcId", 13 "ParameterValue": "vpc-<random_string>" 14 } ] aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml 2 --parameters file://<parameters>.json 3 --capabilities CAPABILITY_NAMED_IAM 4 arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-dns/cd3e5de0-2fd4-11eb-5cf0-12be5c33a183 aws cloudformation describe-stacks --stack-name <name> AWSTemplateFormatVersion: 2010-09-09 Description: Template for OpenShift Cluster Network Elements (Route53 & LBs) Parameters: ClusterName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Cluster name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, representative cluster name to use for host names and other identifying names. Type: String InfrastructureName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, unique cluster ID used to tag cloud resources and identify items owned or used by the cluster. Type: String HostedZoneId: Description: The Route53 public zone ID to register the targets with, such as Z21IXYZABCZ2A4. Type: String HostedZoneName: Description: The Route53 zone to register the targets with, such as example.com. Omit the trailing period. Type: String Default: "example.com" PublicSubnets: Description: The internet-facing subnets. Type: List<AWS::EC2::Subnet::Id> PrivateSubnets: Description: The internal subnets. Type: List<AWS::EC2::Subnet::Id> VpcId: Description: The VPC-scoped resources will belong to this VPC. Type: AWS::EC2::VPC::Id Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Cluster Information" Parameters: - ClusterName - InfrastructureName - Label: default: "Network Configuration" Parameters: - VpcId - PublicSubnets - PrivateSubnets - Label: default: "DNS" Parameters: - HostedZoneName - HostedZoneId ParameterLabels: ClusterName: default: "Cluster Name" InfrastructureName: default: "Infrastructure Name" VpcId: default: "VPC ID" PublicSubnets: default: "Public Subnets" PrivateSubnets: default: "Private Subnets" HostedZoneName: default: "Public Hosted Zone Name" HostedZoneId: default: "Public Hosted Zone ID" Resources: ExtApiElb: Type: AWS::ElasticLoadBalancingV2::LoadBalancer Properties: Name: !Join ["-", [!Ref InfrastructureName, "ext"]] IpAddressType: ipv4 Subnets: !Ref PublicSubnets Type: network IntApiElb: Type: AWS::ElasticLoadBalancingV2::LoadBalancer Properties: Name: !Join ["-", [!Ref InfrastructureName, "int"]] Scheme: internal IpAddressType: ipv4 Subnets: !Ref PrivateSubnets Type: network IntDns: Type: "AWS::Route53::HostedZone" Properties: HostedZoneConfig: Comment: "Managed by CloudFormation" Name: !Join [".", [!Ref ClusterName, !Ref HostedZoneName]] HostedZoneTags: - Key: Name Value: !Join ["-", [!Ref InfrastructureName, "int"]] - Key: !Join ["", ["kubernetes.io/cluster/", !Ref InfrastructureName]] Value: "owned" VPCs: - VPCId: !Ref VpcId VPCRegion: !Ref "AWS::Region" ExternalApiServerRecord: Type: AWS::Route53::RecordSetGroup Properties: Comment: Alias record for the API server HostedZoneId: !Ref HostedZoneId RecordSets: - Name: !Join [ ".", ["api", !Ref ClusterName, !Join ["", [!Ref HostedZoneName, "."]]], ] Type: A AliasTarget: HostedZoneId: !GetAtt ExtApiElb.CanonicalHostedZoneID DNSName: !GetAtt ExtApiElb.DNSName InternalApiServerRecord: Type: AWS::Route53::RecordSetGroup Properties: Comment: Alias record for the API server HostedZoneId: !Ref IntDns RecordSets: - Name: !Join [ ".", ["api", !Ref ClusterName, !Join ["", [!Ref HostedZoneName, "."]]], ] Type: A AliasTarget: HostedZoneId: !GetAtt IntApiElb.CanonicalHostedZoneID DNSName: !GetAtt IntApiElb.DNSName - Name: !Join [ ".", ["api-int", !Ref ClusterName, !Join ["", [!Ref HostedZoneName, "."]]], ] Type: A AliasTarget: HostedZoneId: !GetAtt IntApiElb.CanonicalHostedZoneID DNSName: !GetAtt IntApiElb.DNSName ExternalApiListener: Type: AWS::ElasticLoadBalancingV2::Listener Properties: DefaultActions: - Type: forward TargetGroupArn: Ref: ExternalApiTargetGroup LoadBalancerArn: Ref: ExtApiElb Port: 6443 Protocol: TCP ExternalApiTargetGroup: Type: AWS::ElasticLoadBalancingV2::TargetGroup Properties: HealthCheckIntervalSeconds: 10 HealthCheckPath: "/readyz" HealthCheckPort: 6443 HealthCheckProtocol: HTTPS HealthyThresholdCount: 2 UnhealthyThresholdCount: 2 Port: 6443 Protocol: TCP TargetType: ip VpcId: Ref: VpcId TargetGroupAttributes: - Key: deregistration_delay.timeout_seconds Value: 60 InternalApiListener: Type: AWS::ElasticLoadBalancingV2::Listener Properties: DefaultActions: - Type: forward TargetGroupArn: Ref: InternalApiTargetGroup LoadBalancerArn: Ref: IntApiElb Port: 6443 Protocol: TCP InternalApiTargetGroup: Type: AWS::ElasticLoadBalancingV2::TargetGroup Properties: HealthCheckIntervalSeconds: 10 HealthCheckPath: "/readyz" HealthCheckPort: 6443 HealthCheckProtocol: HTTPS HealthyThresholdCount: 2 UnhealthyThresholdCount: 2 Port: 6443 Protocol: TCP TargetType: ip VpcId: Ref: VpcId TargetGroupAttributes: - Key: deregistration_delay.timeout_seconds Value: 60 InternalServiceInternalListener: Type: AWS::ElasticLoadBalancingV2::Listener Properties: DefaultActions: - Type: forward TargetGroupArn: Ref: InternalServiceTargetGroup LoadBalancerArn: Ref: IntApiElb Port: 22623 Protocol: TCP InternalServiceTargetGroup: Type: AWS::ElasticLoadBalancingV2::TargetGroup Properties: HealthCheckIntervalSeconds: 10 HealthCheckPath: "/healthz" HealthCheckPort: 22623 HealthCheckProtocol: HTTPS HealthyThresholdCount: 2 UnhealthyThresholdCount: 2 Port: 22623 Protocol: TCP TargetType: ip VpcId: Ref: VpcId TargetGroupAttributes: - Key: deregistration_delay.timeout_seconds Value: 60 RegisterTargetLambdaIamRole: Type: AWS::IAM::Role Properties: RoleName: !Join ["-", [!Ref InfrastructureName, "nlb", "lambda", "role"]] AssumeRolePolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Principal: Service: - "lambda.amazonaws.com" Action: - "sts:AssumeRole" Path: "/" Policies: - PolicyName: !Join ["-", [!Ref InfrastructureName, "master", "policy"]] PolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Action: [ "elasticloadbalancing:RegisterTargets", "elasticloadbalancing:DeregisterTargets", ] Resource: !Ref InternalApiTargetGroup - Effect: "Allow" Action: [ "elasticloadbalancing:RegisterTargets", "elasticloadbalancing:DeregisterTargets", ] Resource: !Ref InternalServiceTargetGroup - Effect: "Allow" Action: [ "elasticloadbalancing:RegisterTargets", "elasticloadbalancing:DeregisterTargets", ] Resource: !Ref ExternalApiTargetGroup RegisterNlbIpTargets: Type: "AWS::Lambda::Function" Properties: Handler: "index.handler" Role: Fn::GetAtt: - "RegisterTargetLambdaIamRole" - "Arn" Code: ZipFile: | import json import boto3 import cfnresponse def handler(event, context): elb = boto3.client('elbv2') if event['RequestType'] == 'Delete': elb.deregister_targets(TargetGroupArn=event['ResourceProperties']['TargetArn'],Targets=[{'Id': event['ResourceProperties']['TargetIp']}]) elif event['RequestType'] == 'Create': elb.register_targets(TargetGroupArn=event['ResourceProperties']['TargetArn'],Targets=[{'Id': event['ResourceProperties']['TargetIp']}]) responseData = {} cfnresponse.send(event, context, cfnresponse.SUCCESS, responseData, event['ResourceProperties']['TargetArn']+event['ResourceProperties']['TargetIp']) Runtime: "python3.8" Timeout: 120 RegisterSubnetTagsLambdaIamRole: Type: AWS::IAM::Role Properties: RoleName: !Join ["-", [!Ref InfrastructureName, "subnet-tags-lambda-role"]] AssumeRolePolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Principal: Service: - "lambda.amazonaws.com" Action: - "sts:AssumeRole" Path: "/" Policies: - PolicyName: !Join ["-", [!Ref InfrastructureName, "subnet-tagging-policy"]] PolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Action: [ "ec2:DeleteTags", "ec2:CreateTags" ] Resource: "arn:aws:ec2:*:*:subnet/*" - Effect: "Allow" Action: [ "ec2:DescribeSubnets", "ec2:DescribeTags" ] Resource: "*" RegisterSubnetTags: Type: "AWS::Lambda::Function" Properties: Handler: "index.handler" Role: Fn::GetAtt: - "RegisterSubnetTagsLambdaIamRole" - "Arn" Code: ZipFile: | import json import boto3 import cfnresponse def handler(event, context): ec2_client = boto3.client('ec2') if event['RequestType'] == 'Delete': for subnet_id in event['ResourceProperties']['Subnets']: ec2_client.delete_tags(Resources=[subnet_id], Tags=[{'Key': 'kubernetes.io/cluster/' + event['ResourceProperties']['InfrastructureName']}]); elif event['RequestType'] == 'Create': for subnet_id in event['ResourceProperties']['Subnets']: ec2_client.create_tags(Resources=[subnet_id], Tags=[{'Key': 'kubernetes.io/cluster/' + event['ResourceProperties']['InfrastructureName'], 'Value': 'shared'}]); responseData = {} cfnresponse.send(event, context, cfnresponse.SUCCESS, responseData, event['ResourceProperties']['InfrastructureName']+event['ResourceProperties']['Subnets'][0]) Runtime: "python3.8" Timeout: 120 RegisterPublicSubnetTags: Type: Custom::SubnetRegister Properties: ServiceToken: !GetAtt RegisterSubnetTags.Arn InfrastructureName: !Ref InfrastructureName Subnets: !Ref PublicSubnets RegisterPrivateSubnetTags: Type: Custom::SubnetRegister Properties: ServiceToken: !GetAtt RegisterSubnetTags.Arn InfrastructureName: !Ref InfrastructureName Subnets: !Ref PrivateSubnets Outputs: PrivateHostedZoneId: Description: Hosted zone ID for the private DNS, which is required for private records. Value: !Ref IntDns ExternalApiLoadBalancerName: Description: Full name of the external API load balancer. Value: !GetAtt ExtApiElb.LoadBalancerFullName InternalApiLoadBalancerName: Description: Full name of the internal API load balancer. Value: !GetAtt IntApiElb.LoadBalancerFullName ApiServerDnsName: Description: Full hostname of the API server, which is required for the Ignition config files. Value: !Join [".", ["api-int", !Ref ClusterName, !Ref HostedZoneName]] RegisterNlbIpTargetsLambda: Description: Lambda ARN useful to help register or deregister IP targets for these load balancers. Value: !GetAtt RegisterNlbIpTargets.Arn ExternalApiTargetGroupArn: Description: ARN of the external API target group. Value: !Ref ExternalApiTargetGroup InternalApiTargetGroupArn: Description: ARN of the internal API target group. Value: !Ref InternalApiTargetGroup InternalServiceTargetGroupArn: Description: ARN of the internal service target group. Value: !Ref InternalServiceTargetGroup Type: CNAME TTL: 10 ResourceRecords: - !GetAtt IntApiElb.DNSName [ { "ParameterKey": "InfrastructureName", 1 "ParameterValue": "mycluster-<random_string>" 2 }, { "ParameterKey": "VpcCidr", 3 "ParameterValue": "10.0.0.0/16" 4 }, { "ParameterKey": "PrivateSubnets", 5 "ParameterValue": "subnet-<random_string>" 6 }, { "ParameterKey": "VpcId", 7 "ParameterValue": "vpc-<random_string>" 8 } ] aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml 2 --parameters file://<parameters>.json 3 --capabilities CAPABILITY_NAMED_IAM 4 arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-sec/03bd4210-2ed7-11eb-6d7a-13fc0b61e9db aws cloudformation describe-stacks --stack-name <name> AWSTemplateFormatVersion: 2010-09-09 Description: Template for OpenShift Cluster Security Elements (Security Groups & IAM) Parameters: InfrastructureName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, unique cluster ID used to tag cloud resources and identify items owned or used by the cluster. Type: String VpcCidr: AllowedPattern: ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(1[6-9]|2[0-4]))USD ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/16-24. Default: 10.0.0.0/16 Description: CIDR block for VPC. Type: String VpcId: Description: The VPC-scoped resources will belong to this VPC. Type: AWS::EC2::VPC::Id PrivateSubnets: Description: The internal subnets. Type: List<AWS::EC2::Subnet::Id> Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Cluster Information" Parameters: - InfrastructureName - Label: default: "Network Configuration" Parameters: - VpcId - VpcCidr - PrivateSubnets ParameterLabels: InfrastructureName: default: "Infrastructure Name" VpcId: default: "VPC ID" VpcCidr: default: "VPC CIDR" PrivateSubnets: default: "Private Subnets" Resources: MasterSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: GroupDescription: Cluster Master Security Group SecurityGroupIngress: - IpProtocol: icmp FromPort: 0 ToPort: 0 CidrIp: !Ref VpcCidr - IpProtocol: tcp FromPort: 22 ToPort: 22 CidrIp: !Ref VpcCidr - IpProtocol: tcp ToPort: 6443 FromPort: 6443 CidrIp: !Ref VpcCidr - IpProtocol: tcp FromPort: 22623 ToPort: 22623 CidrIp: !Ref VpcCidr VpcId: !Ref VpcId WorkerSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: GroupDescription: Cluster Worker Security Group SecurityGroupIngress: - IpProtocol: icmp FromPort: 0 ToPort: 0 CidrIp: !Ref VpcCidr - IpProtocol: tcp FromPort: 22 ToPort: 22 CidrIp: !Ref VpcCidr VpcId: !Ref VpcId MasterIngressEtcd: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: etcd FromPort: 2379 ToPort: 2380 IpProtocol: tcp MasterIngressVxlan: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Vxlan packets FromPort: 4789 ToPort: 4789 IpProtocol: udp MasterIngressWorkerVxlan: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Vxlan packets FromPort: 4789 ToPort: 4789 IpProtocol: udp MasterIngressGeneve: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Geneve packets FromPort: 6081 ToPort: 6081 IpProtocol: udp MasterIngressWorkerGeneve: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Geneve packets FromPort: 6081 ToPort: 6081 IpProtocol: udp MasterIngressIpsecIke: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec IKE packets FromPort: 500 ToPort: 500 IpProtocol: udp MasterIngressIpsecNat: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec NAT-T packets FromPort: 4500 ToPort: 4500 IpProtocol: udp MasterIngressIpsecEsp: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec ESP packets IpProtocol: 50 MasterIngressWorkerIpsecIke: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec IKE packets FromPort: 500 ToPort: 500 IpProtocol: udp MasterIngressWorkerIpsecNat: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec NAT-T packets FromPort: 4500 ToPort: 4500 IpProtocol: udp MasterIngressWorkerIpsecEsp: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec ESP packets IpProtocol: 50 MasterIngressInternal: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: tcp MasterIngressWorkerInternal: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: tcp MasterIngressInternalUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: udp MasterIngressWorkerInternalUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: udp MasterIngressKube: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Kubernetes kubelet, scheduler and controller manager FromPort: 10250 ToPort: 10259 IpProtocol: tcp MasterIngressWorkerKube: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes kubelet, scheduler and controller manager FromPort: 10250 ToPort: 10259 IpProtocol: tcp MasterIngressIngressServices: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: tcp MasterIngressWorkerIngressServices: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: tcp MasterIngressIngressServicesUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: udp MasterIngressWorkerIngressServicesUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt MasterSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: udp WorkerIngressVxlan: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Vxlan packets FromPort: 4789 ToPort: 4789 IpProtocol: udp WorkerIngressMasterVxlan: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Vxlan packets FromPort: 4789 ToPort: 4789 IpProtocol: udp WorkerIngressGeneve: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Geneve packets FromPort: 6081 ToPort: 6081 IpProtocol: udp WorkerIngressMasterGeneve: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Geneve packets FromPort: 6081 ToPort: 6081 IpProtocol: udp WorkerIngressIpsecIke: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec IKE packets FromPort: 500 ToPort: 500 IpProtocol: udp WorkerIngressIpsecNat: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec NAT-T packets FromPort: 4500 ToPort: 4500 IpProtocol: udp WorkerIngressIpsecEsp: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: IPsec ESP packets IpProtocol: 50 WorkerIngressMasterIpsecIke: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec IKE packets FromPort: 500 ToPort: 500 IpProtocol: udp WorkerIngressMasterIpsecNat: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec NAT-T packets FromPort: 4500 ToPort: 4500 IpProtocol: udp WorkerIngressMasterIpsecEsp: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: IPsec ESP packets IpProtocol: 50 WorkerIngressInternal: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: tcp WorkerIngressMasterInternal: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: tcp WorkerIngressInternalUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: udp WorkerIngressMasterInternalUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Internal cluster communication FromPort: 9000 ToPort: 9999 IpProtocol: udp WorkerIngressKube: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes secure kubelet port FromPort: 10250 ToPort: 10250 IpProtocol: tcp WorkerIngressWorkerKube: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Internal Kubernetes communication FromPort: 10250 ToPort: 10250 IpProtocol: tcp WorkerIngressIngressServices: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: tcp WorkerIngressMasterIngressServices: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: tcp WorkerIngressIngressServicesUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt WorkerSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: udp WorkerIngressMasterIngressServicesUDP: Type: AWS::EC2::SecurityGroupIngress Properties: GroupId: !GetAtt WorkerSecurityGroup.GroupId SourceSecurityGroupId: !GetAtt MasterSecurityGroup.GroupId Description: Kubernetes ingress services FromPort: 30000 ToPort: 32767 IpProtocol: udp MasterIamRole: Type: AWS::IAM::Role Properties: AssumeRolePolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Principal: Service: - "ec2.amazonaws.com" Action: - "sts:AssumeRole" Policies: - PolicyName: !Join ["-", [!Ref InfrastructureName, "master", "policy"]] PolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Action: - "ec2:AttachVolume" - "ec2:AuthorizeSecurityGroupIngress" - "ec2:CreateSecurityGroup" - "ec2:CreateTags" - "ec2:CreateVolume" - "ec2:DeleteSecurityGroup" - "ec2:DeleteVolume" - "ec2:Describe*" - "ec2:DetachVolume" - "ec2:ModifyInstanceAttribute" - "ec2:ModifyVolume" - "ec2:RevokeSecurityGroupIngress" - "elasticloadbalancing:AddTags" - "elasticloadbalancing:AttachLoadBalancerToSubnets" - "elasticloadbalancing:ApplySecurityGroupsToLoadBalancer" - "elasticloadbalancing:CreateListener" - "elasticloadbalancing:CreateLoadBalancer" - "elasticloadbalancing:CreateLoadBalancerPolicy" - "elasticloadbalancing:CreateLoadBalancerListeners" - "elasticloadbalancing:CreateTargetGroup" - "elasticloadbalancing:ConfigureHealthCheck" - "elasticloadbalancing:DeleteListener" - "elasticloadbalancing:DeleteLoadBalancer" - "elasticloadbalancing:DeleteLoadBalancerListeners" - "elasticloadbalancing:DeleteTargetGroup" - "elasticloadbalancing:DeregisterInstancesFromLoadBalancer" - "elasticloadbalancing:DeregisterTargets" - "elasticloadbalancing:Describe*" - "elasticloadbalancing:DetachLoadBalancerFromSubnets" - "elasticloadbalancing:ModifyListener" - "elasticloadbalancing:ModifyLoadBalancerAttributes" - "elasticloadbalancing:ModifyTargetGroup" - "elasticloadbalancing:ModifyTargetGroupAttributes" - "elasticloadbalancing:RegisterInstancesWithLoadBalancer" - "elasticloadbalancing:RegisterTargets" - "elasticloadbalancing:SetLoadBalancerPoliciesForBackendServer" - "elasticloadbalancing:SetLoadBalancerPoliciesOfListener" - "kms:DescribeKey" Resource: "*" MasterInstanceProfile: Type: "AWS::IAM::InstanceProfile" Properties: Roles: - Ref: "MasterIamRole" WorkerIamRole: Type: AWS::IAM::Role Properties: AssumeRolePolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Principal: Service: - "ec2.amazonaws.com" Action: - "sts:AssumeRole" Policies: - PolicyName: !Join ["-", [!Ref InfrastructureName, "worker", "policy"]] PolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Action: - "ec2:DescribeInstances" - "ec2:DescribeRegions" Resource: "*" WorkerInstanceProfile: Type: "AWS::IAM::InstanceProfile" Properties: Roles: - Ref: "WorkerIamRole" Outputs: MasterSecurityGroupId: Description: Master Security Group ID Value: !GetAtt MasterSecurityGroup.GroupId WorkerSecurityGroupId: Description: Worker Security Group ID Value: !GetAtt WorkerSecurityGroup.GroupId MasterInstanceProfile: Description: Master IAM Instance Profile Value: !Ref MasterInstanceProfile WorkerInstanceProfile: Description: Worker IAM Instance Profile Value: !Ref WorkerInstanceProfile openshift-install coreos print-stream-json | jq -r '.architectures.x86_64.images.aws.regions["us-west-1"].image' ami-0d3e625f84626bbda openshift-install coreos print-stream-json | jq -r '.architectures.aarch64.images.aws.regions["us-west-1"].image' ami-0af1d3b7fa5be2131 aws s3 mb s3://<cluster-name>-infra 1 aws s3 cp <installation_directory>/bootstrap.ign s3://<cluster-name>-infra/bootstrap.ign 1 aws s3 ls s3://<cluster-name>-infra/ 2019-04-03 16:15:16 314878 bootstrap.ign [ { "ParameterKey": "InfrastructureName", 1 "ParameterValue": "mycluster-<random_string>" 2 }, { "ParameterKey": "RhcosAmi", 3 "ParameterValue": "ami-<random_string>" 4 }, { "ParameterKey": "AllowedBootstrapSshCidr", 5 "ParameterValue": "0.0.0.0/0" 6 }, { "ParameterKey": "PublicSubnet", 7 "ParameterValue": "subnet-<random_string>" 8 }, { "ParameterKey": "MasterSecurityGroupId", 9 "ParameterValue": "sg-<random_string>" 10 }, { "ParameterKey": "VpcId", 11 "ParameterValue": "vpc-<random_string>" 12 }, { "ParameterKey": "BootstrapIgnitionLocation", 13 "ParameterValue": "s3://<bucket_name>/bootstrap.ign" 14 }, { "ParameterKey": "AutoRegisterELB", 15 "ParameterValue": "yes" 16 }, { "ParameterKey": "RegisterNlbIpTargetsLambdaArn", 17 "ParameterValue": "arn:aws:lambda:<aws_region>:<account_number>:function:<dns_stack_name>-RegisterNlbIpTargets-<random_string>" 18 }, { "ParameterKey": "ExternalApiTargetGroupArn", 19 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Exter-<random_string>" 20 }, { "ParameterKey": "InternalApiTargetGroupArn", 21 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Inter-<random_string>" 22 }, { "ParameterKey": "InternalServiceTargetGroupArn", 23 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Inter-<random_string>" 24 } ] aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml 2 --parameters file://<parameters>.json 3 --capabilities CAPABILITY_NAMED_IAM 4 arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-bootstrap/12944486-2add-11eb-9dee-12dace8e3a83 aws cloudformation describe-stacks --stack-name <name> AWSTemplateFormatVersion: 2010-09-09 Description: Template for OpenShift Cluster Bootstrap (EC2 Instance, Security Groups and IAM) Parameters: InfrastructureName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, unique cluster ID used to tag cloud resources and identify items owned or used by the cluster. Type: String RhcosAmi: Description: Current Red Hat Enterprise Linux CoreOS AMI to use for bootstrap. Type: AWS::EC2::Image::Id AllowedBootstrapSshCidr: AllowedPattern: ^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/([0-9]|1[0-9]|2[0-9]|3[0-2]))USD ConstraintDescription: CIDR block parameter must be in the form x.x.x.x/0-32. Default: 0.0.0.0/0 Description: CIDR block to allow SSH access to the bootstrap node. Type: String PublicSubnet: Description: The public subnet to launch the bootstrap node into. Type: AWS::EC2::Subnet::Id MasterSecurityGroupId: Description: The master security group ID for registering temporary rules. Type: AWS::EC2::SecurityGroup::Id VpcId: Description: The VPC-scoped resources will belong to this VPC. Type: AWS::EC2::VPC::Id BootstrapIgnitionLocation: Default: s3://my-s3-bucket/bootstrap.ign Description: Ignition config file location. Type: String AutoRegisterELB: Default: "yes" AllowedValues: - "yes" - "no" Description: Do you want to invoke NLB registration, which requires a Lambda ARN parameter? Type: String RegisterNlbIpTargetsLambdaArn: Description: ARN for NLB IP target registration lambda. Type: String ExternalApiTargetGroupArn: Description: ARN for external API load balancer target group. Type: String InternalApiTargetGroupArn: Description: ARN for internal API load balancer target group. Type: String InternalServiceTargetGroupArn: Description: ARN for internal service load balancer target group. Type: String BootstrapInstanceType: Description: Instance type for the bootstrap EC2 instance Default: "i3.large" Type: String Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Cluster Information" Parameters: - InfrastructureName - Label: default: "Host Information" Parameters: - RhcosAmi - BootstrapIgnitionLocation - MasterSecurityGroupId - Label: default: "Network Configuration" Parameters: - VpcId - AllowedBootstrapSshCidr - PublicSubnet - Label: default: "Load Balancer Automation" Parameters: - AutoRegisterELB - RegisterNlbIpTargetsLambdaArn - ExternalApiTargetGroupArn - InternalApiTargetGroupArn - InternalServiceTargetGroupArn ParameterLabels: InfrastructureName: default: "Infrastructure Name" VpcId: default: "VPC ID" AllowedBootstrapSshCidr: default: "Allowed SSH Source" PublicSubnet: default: "Public Subnet" RhcosAmi: default: "Red Hat Enterprise Linux CoreOS AMI ID" BootstrapIgnitionLocation: default: "Bootstrap Ignition Source" MasterSecurityGroupId: default: "Master Security Group ID" AutoRegisterELB: default: "Use Provided ELB Automation" Conditions: DoRegistration: !Equals ["yes", !Ref AutoRegisterELB] Resources: BootstrapIamRole: Type: AWS::IAM::Role Properties: AssumeRolePolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Principal: Service: - "ec2.amazonaws.com" Action: - "sts:AssumeRole" Path: "/" Policies: - PolicyName: !Join ["-", [!Ref InfrastructureName, "bootstrap", "policy"]] PolicyDocument: Version: "2012-10-17" Statement: - Effect: "Allow" Action: "ec2:Describe*" Resource: "*" - Effect: "Allow" Action: "ec2:AttachVolume" Resource: "*" - Effect: "Allow" Action: "ec2:DetachVolume" Resource: "*" - Effect: "Allow" Action: "s3:GetObject" Resource: "*" BootstrapInstanceProfile: Type: "AWS::IAM::InstanceProfile" Properties: Path: "/" Roles: - Ref: "BootstrapIamRole" BootstrapSecurityGroup: Type: AWS::EC2::SecurityGroup Properties: GroupDescription: Cluster Bootstrap Security Group SecurityGroupIngress: - IpProtocol: tcp FromPort: 22 ToPort: 22 CidrIp: !Ref AllowedBootstrapSshCidr - IpProtocol: tcp ToPort: 19531 FromPort: 19531 CidrIp: 0.0.0.0/0 VpcId: !Ref VpcId BootstrapInstance: Type: AWS::EC2::Instance Properties: ImageId: !Ref RhcosAmi IamInstanceProfile: !Ref BootstrapInstanceProfile InstanceType: !Ref BootstrapInstanceType NetworkInterfaces: - AssociatePublicIpAddress: "true" DeviceIndex: "0" GroupSet: - !Ref "BootstrapSecurityGroup" - !Ref "MasterSecurityGroupId" SubnetId: !Ref "PublicSubnet" UserData: Fn::Base64: !Sub - '{"ignition":{"config":{"replace":{"source":"USD{S3Loc}"}},"version":"3.1.0"}}' - { S3Loc: !Ref BootstrapIgnitionLocation } RegisterBootstrapApiTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref ExternalApiTargetGroupArn TargetIp: !GetAtt BootstrapInstance.PrivateIp RegisterBootstrapInternalApiTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalApiTargetGroupArn TargetIp: !GetAtt BootstrapInstance.PrivateIp RegisterBootstrapInternalServiceTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalServiceTargetGroupArn TargetIp: !GetAtt BootstrapInstance.PrivateIp Outputs: BootstrapInstanceId: Description: Bootstrap Instance ID. Value: !Ref BootstrapInstance BootstrapPublicIp: Description: The bootstrap node public IP address. Value: !GetAtt BootstrapInstance.PublicIp BootstrapPrivateIp: Description: The bootstrap node private IP address. Value: !GetAtt BootstrapInstance.PrivateIp [ { "ParameterKey": "InfrastructureName", 1 "ParameterValue": "mycluster-<random_string>" 2 }, { "ParameterKey": "RhcosAmi", 3 "ParameterValue": "ami-<random_string>" 4 }, { "ParameterKey": "AutoRegisterDNS", 5 "ParameterValue": "yes" 6 }, { "ParameterKey": "PrivateHostedZoneId", 7 "ParameterValue": "<random_string>" 8 }, { "ParameterKey": "PrivateHostedZoneName", 9 "ParameterValue": "mycluster.example.com" 10 }, { "ParameterKey": "Master0Subnet", 11 "ParameterValue": "subnet-<random_string>" 12 }, { "ParameterKey": "Master1Subnet", 13 "ParameterValue": "subnet-<random_string>" 14 }, { "ParameterKey": "Master2Subnet", 15 "ParameterValue": "subnet-<random_string>" 16 }, { "ParameterKey": "MasterSecurityGroupId", 17 "ParameterValue": "sg-<random_string>" 18 }, { "ParameterKey": "IgnitionLocation", 19 "ParameterValue": "https://api-int.<cluster_name>.<domain_name>:22623/config/master" 20 }, { "ParameterKey": "CertificateAuthorities", 21 "ParameterValue": "data:text/plain;charset=utf-8;base64,ABC...xYz==" 22 }, { "ParameterKey": "MasterInstanceProfileName", 23 "ParameterValue": "<roles_stack>-MasterInstanceProfile-<random_string>" 24 }, { "ParameterKey": "MasterInstanceType", 25 "ParameterValue": "" 26 }, { "ParameterKey": "AutoRegisterELB", 27 "ParameterValue": "yes" 28 }, { "ParameterKey": "RegisterNlbIpTargetsLambdaArn", 29 "ParameterValue": "arn:aws:lambda:<aws_region>:<account_number>:function:<dns_stack_name>-RegisterNlbIpTargets-<random_string>" 30 }, { "ParameterKey": "ExternalApiTargetGroupArn", 31 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Exter-<random_string>" 32 }, { "ParameterKey": "InternalApiTargetGroupArn", 33 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Inter-<random_string>" 34 }, { "ParameterKey": "InternalServiceTargetGroupArn", 35 "ParameterValue": "arn:aws:elasticloadbalancing:<aws_region>:<account_number>:targetgroup/<dns_stack_name>-Inter-<random_string>" 36 } ] aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml 2 --parameters file://<parameters>.json 3 arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-control-plane/21c7e2b0-2ee2-11eb-c6f6-0aa34627df4b aws cloudformation describe-stacks --stack-name <name> AWSTemplateFormatVersion: 2010-09-09 Description: Template for OpenShift Cluster Node Launch (EC2 master instances) Parameters: InfrastructureName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, unique cluster ID used to tag nodes for the kubelet cloud provider. Type: String RhcosAmi: Description: Current Red Hat Enterprise Linux CoreOS AMI to use for bootstrap. Type: AWS::EC2::Image::Id AutoRegisterDNS: Default: "" Description: unused Type: String PrivateHostedZoneId: Default: "" Description: unused Type: String PrivateHostedZoneName: Default: "" Description: unused Type: String Master0Subnet: Description: The subnets, recommend private, to launch the master nodes into. Type: AWS::EC2::Subnet::Id Master1Subnet: Description: The subnets, recommend private, to launch the master nodes into. Type: AWS::EC2::Subnet::Id Master2Subnet: Description: The subnets, recommend private, to launch the master nodes into. Type: AWS::EC2::Subnet::Id MasterSecurityGroupId: Description: The master security group ID to associate with master nodes. Type: AWS::EC2::SecurityGroup::Id IgnitionLocation: Default: https://api-int.USDCLUSTER_NAME.USDDOMAIN:22623/config/master Description: Ignition config file location. Type: String CertificateAuthorities: Default: data:text/plain;charset=utf-8;base64,ABC...xYz== Description: Base64 encoded certificate authority string to use. Type: String MasterInstanceProfileName: Description: IAM profile to associate with master nodes. Type: String MasterInstanceType: Default: m5.xlarge Type: String AutoRegisterELB: Default: "yes" AllowedValues: - "yes" - "no" Description: Do you want to invoke NLB registration, which requires a Lambda ARN parameter? Type: String RegisterNlbIpTargetsLambdaArn: Description: ARN for NLB IP target registration lambda. Supply the value from the cluster infrastructure or select "no" for AutoRegisterELB. Type: String ExternalApiTargetGroupArn: Description: ARN for external API load balancer target group. Supply the value from the cluster infrastructure or select "no" for AutoRegisterELB. Type: String InternalApiTargetGroupArn: Description: ARN for internal API load balancer target group. Supply the value from the cluster infrastructure or select "no" for AutoRegisterELB. Type: String InternalServiceTargetGroupArn: Description: ARN for internal service load balancer target group. Supply the value from the cluster infrastructure or select "no" for AutoRegisterELB. Type: String Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Cluster Information" Parameters: - InfrastructureName - Label: default: "Host Information" Parameters: - MasterInstanceType - RhcosAmi - IgnitionLocation - CertificateAuthorities - MasterSecurityGroupId - MasterInstanceProfileName - Label: default: "Network Configuration" Parameters: - VpcId - AllowedBootstrapSshCidr - Master0Subnet - Master1Subnet - Master2Subnet - Label: default: "Load Balancer Automation" Parameters: - AutoRegisterELB - RegisterNlbIpTargetsLambdaArn - ExternalApiTargetGroupArn - InternalApiTargetGroupArn - InternalServiceTargetGroupArn ParameterLabels: InfrastructureName: default: "Infrastructure Name" VpcId: default: "VPC ID" Master0Subnet: default: "Master-0 Subnet" Master1Subnet: default: "Master-1 Subnet" Master2Subnet: default: "Master-2 Subnet" MasterInstanceType: default: "Master Instance Type" MasterInstanceProfileName: default: "Master Instance Profile Name" RhcosAmi: default: "Red Hat Enterprise Linux CoreOS AMI ID" BootstrapIgnitionLocation: default: "Master Ignition Source" CertificateAuthorities: default: "Ignition CA String" MasterSecurityGroupId: default: "Master Security Group ID" AutoRegisterELB: default: "Use Provided ELB Automation" Conditions: DoRegistration: !Equals ["yes", !Ref AutoRegisterELB] Resources: Master0: Type: AWS::EC2::Instance Properties: ImageId: !Ref RhcosAmi BlockDeviceMappings: - DeviceName: /dev/xvda Ebs: VolumeSize: "120" VolumeType: "gp2" IamInstanceProfile: !Ref MasterInstanceProfileName InstanceType: !Ref MasterInstanceType NetworkInterfaces: - AssociatePublicIpAddress: "false" DeviceIndex: "0" GroupSet: - !Ref "MasterSecurityGroupId" SubnetId: !Ref "Master0Subnet" UserData: Fn::Base64: !Sub - '{"ignition":{"config":{"merge":[{"source":"USD{SOURCE}"}]},"security":{"tls":{"certificateAuthorities":[{"source":"USD{CA_BUNDLE}"}]}},"version":"3.1.0"}}' - { SOURCE: !Ref IgnitionLocation, CA_BUNDLE: !Ref CertificateAuthorities, } Tags: - Key: !Join ["", ["kubernetes.io/cluster/", !Ref InfrastructureName]] Value: "shared" RegisterMaster0: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref ExternalApiTargetGroupArn TargetIp: !GetAtt Master0.PrivateIp RegisterMaster0InternalApiTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalApiTargetGroupArn TargetIp: !GetAtt Master0.PrivateIp RegisterMaster0InternalServiceTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalServiceTargetGroupArn TargetIp: !GetAtt Master0.PrivateIp Master1: Type: AWS::EC2::Instance Properties: ImageId: !Ref RhcosAmi BlockDeviceMappings: - DeviceName: /dev/xvda Ebs: VolumeSize: "120" VolumeType: "gp2" IamInstanceProfile: !Ref MasterInstanceProfileName InstanceType: !Ref MasterInstanceType NetworkInterfaces: - AssociatePublicIpAddress: "false" DeviceIndex: "0" GroupSet: - !Ref "MasterSecurityGroupId" SubnetId: !Ref "Master1Subnet" UserData: Fn::Base64: !Sub - '{"ignition":{"config":{"merge":[{"source":"USD{SOURCE}"}]},"security":{"tls":{"certificateAuthorities":[{"source":"USD{CA_BUNDLE}"}]}},"version":"3.1.0"}}' - { SOURCE: !Ref IgnitionLocation, CA_BUNDLE: !Ref CertificateAuthorities, } Tags: - Key: !Join ["", ["kubernetes.io/cluster/", !Ref InfrastructureName]] Value: "shared" RegisterMaster1: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref ExternalApiTargetGroupArn TargetIp: !GetAtt Master1.PrivateIp RegisterMaster1InternalApiTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalApiTargetGroupArn TargetIp: !GetAtt Master1.PrivateIp RegisterMaster1InternalServiceTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalServiceTargetGroupArn TargetIp: !GetAtt Master1.PrivateIp Master2: Type: AWS::EC2::Instance Properties: ImageId: !Ref RhcosAmi BlockDeviceMappings: - DeviceName: /dev/xvda Ebs: VolumeSize: "120" VolumeType: "gp2" IamInstanceProfile: !Ref MasterInstanceProfileName InstanceType: !Ref MasterInstanceType NetworkInterfaces: - AssociatePublicIpAddress: "false" DeviceIndex: "0" GroupSet: - !Ref "MasterSecurityGroupId" SubnetId: !Ref "Master2Subnet" UserData: Fn::Base64: !Sub - '{"ignition":{"config":{"merge":[{"source":"USD{SOURCE}"}]},"security":{"tls":{"certificateAuthorities":[{"source":"USD{CA_BUNDLE}"}]}},"version":"3.1.0"}}' - { SOURCE: !Ref IgnitionLocation, CA_BUNDLE: !Ref CertificateAuthorities, } Tags: - Key: !Join ["", ["kubernetes.io/cluster/", !Ref InfrastructureName]] Value: "shared" RegisterMaster2: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref ExternalApiTargetGroupArn TargetIp: !GetAtt Master2.PrivateIp RegisterMaster2InternalApiTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalApiTargetGroupArn TargetIp: !GetAtt Master2.PrivateIp RegisterMaster2InternalServiceTarget: Condition: DoRegistration Type: Custom::NLBRegister Properties: ServiceToken: !Ref RegisterNlbIpTargetsLambdaArn TargetArn: !Ref InternalServiceTargetGroupArn TargetIp: !GetAtt Master2.PrivateIp Outputs: PrivateIPs: Description: The control-plane node private IP addresses. Value: !Join [ ",", [!GetAtt Master0.PrivateIp, !GetAtt Master1.PrivateIp, !GetAtt Master2.PrivateIp] ] [ { "ParameterKey": "InfrastructureName", 1 "ParameterValue": "mycluster-<random_string>" 2 }, { "ParameterKey": "RhcosAmi", 3 "ParameterValue": "ami-<random_string>" 4 }, { "ParameterKey": "Subnet", 5 "ParameterValue": "subnet-<random_string>" 6 }, { "ParameterKey": "WorkerSecurityGroupId", 7 "ParameterValue": "sg-<random_string>" 8 }, { "ParameterKey": "IgnitionLocation", 9 "ParameterValue": "https://api-int.<cluster_name>.<domain_name>:22623/config/worker" 10 }, { "ParameterKey": "CertificateAuthorities", 11 "ParameterValue": "" 12 }, { "ParameterKey": "WorkerInstanceProfileName", 13 "ParameterValue": "" 14 }, { "ParameterKey": "WorkerInstanceType", 15 "ParameterValue": "" 16 } ] aws cloudformation create-stack --stack-name <name> 1 --template-body file://<template>.yaml \ 2 --parameters file://<parameters>.json 3 arn:aws:cloudformation:us-east-1:269333783861:stack/cluster-worker-1/729ee301-1c2a-11eb-348f-sd9888c65b59 aws cloudformation describe-stacks --stack-name <name> AWSTemplateFormatVersion: 2010-09-09 Description: Template for OpenShift Cluster Node Launch (EC2 worker instance) Parameters: InfrastructureName: AllowedPattern: ^([a-zA-Z][a-zA-Z0-9\-]{0,26})USD MaxLength: 27 MinLength: 1 ConstraintDescription: Infrastructure name must be alphanumeric, start with a letter, and have a maximum of 27 characters. Description: A short, unique cluster ID used to tag nodes for the kubelet cloud provider. Type: String RhcosAmi: Description: Current Red Hat Enterprise Linux CoreOS AMI to use for bootstrap. Type: AWS::EC2::Image::Id Subnet: Description: The subnets, recommend private, to launch the worker nodes into. Type: AWS::EC2::Subnet::Id WorkerSecurityGroupId: Description: The worker security group ID to associate with worker nodes. Type: AWS::EC2::SecurityGroup::Id IgnitionLocation: Default: https://api-int.USDCLUSTER_NAME.USDDOMAIN:22623/config/worker Description: Ignition config file location. Type: String CertificateAuthorities: Default: data:text/plain;charset=utf-8;base64,ABC...xYz== Description: Base64 encoded certificate authority string to use. Type: String WorkerInstanceProfileName: Description: IAM profile to associate with worker nodes. Type: String WorkerInstanceType: Default: m5.large Type: String Metadata: AWS::CloudFormation::Interface: ParameterGroups: - Label: default: "Cluster Information" Parameters: - InfrastructureName - Label: default: "Host Information" Parameters: - WorkerInstanceType - RhcosAmi - IgnitionLocation - CertificateAuthorities - WorkerSecurityGroupId - WorkerInstanceProfileName - Label: default: "Network Configuration" Parameters: - Subnet ParameterLabels: Subnet: default: "Subnet" InfrastructureName: default: "Infrastructure Name" WorkerInstanceType: default: "Worker Instance Type" WorkerInstanceProfileName: default: "Worker Instance Profile Name" RhcosAmi: default: "Red Hat Enterprise Linux CoreOS AMI ID" IgnitionLocation: default: "Worker Ignition Source" CertificateAuthorities: default: "Ignition CA String" WorkerSecurityGroupId: default: "Worker Security Group ID" Resources: Worker0: Type: AWS::EC2::Instance Properties: ImageId: !Ref RhcosAmi BlockDeviceMappings: - DeviceName: /dev/xvda Ebs: VolumeSize: "120" VolumeType: "gp2" IamInstanceProfile: !Ref WorkerInstanceProfileName InstanceType: !Ref WorkerInstanceType NetworkInterfaces: - AssociatePublicIpAddress: "false" DeviceIndex: "0" GroupSet: - !Ref "WorkerSecurityGroupId" SubnetId: !Ref "Subnet" UserData: Fn::Base64: !Sub - '{"ignition":{"config":{"merge":[{"source":"USD{SOURCE}"}]},"security":{"tls":{"certificateAuthorities":[{"source":"USD{CA_BUNDLE}"}]}},"version":"3.1.0"}}' - { SOURCE: !Ref IgnitionLocation, CA_BUNDLE: !Ref CertificateAuthorities, } Tags: - Key: !Join ["", ["kubernetes.io/cluster/", !Ref InfrastructureName]] Value: "shared" Outputs: PrivateIP: Description: The compute node private IP address. Value: !GetAtt Worker0.PrivateIp ./openshift-install wait-for bootstrap-complete --dir <installation_directory> \ 1 --log-level=info 2 INFO Waiting up to 20m0s for the Kubernetes API at https://api.mycluster.example.com:6443 INFO API v1.28.5 up INFO Waiting up to 30m0s for bootstrapping to complete INFO It is now safe to remove the bootstrap resources INFO Time elapsed: 1s export KUBECONFIG=<installation_directory>/auth/kubeconfig 1 oc whoami system:admin oc get nodes NAME STATUS ROLES AGE VERSION master-0 Ready master 63m v1.28.5 master-1 Ready master 63m v1.28.5 master-2 Ready master 64m v1.28.5 oc get csr NAME AGE REQUESTOR CONDITION csr-8b2br 15m system:serviceaccount:openshift-machine-config-operator:node-bootstrapper Pending csr-8vnps 15m system:serviceaccount:openshift-machine-config-operator:node-bootstrapper Pending oc adm certificate approve <csr_name> 1 oc get csr -o go-template='{{range .items}}{{if not .status}}{{.metadata.name}}{{"\n"}}{{end}}{{end}}' | xargs --no-run-if-empty oc adm certificate approve oc get csr NAME AGE REQUESTOR CONDITION csr-bfd72 5m26s system:node:ip-10-0-50-126.us-east-2.compute.internal Pending csr-c57lv 5m26s system:node:ip-10-0-95-157.us-east-2.compute.internal Pending oc adm certificate approve <csr_name> 1 oc get csr -o go-template='{{range .items}}{{if not .status}}{{.metadata.name}}{{"\n"}}{{end}}{{end}}' | xargs oc adm certificate approve oc get nodes NAME STATUS ROLES AGE VERSION master-0 Ready master 73m v1.28.5 master-1 Ready master 73m v1.28.5 master-2 Ready master 74m v1.28.5 worker-0 Ready worker 11m v1.28.5 worker-1 Ready worker 11m v1.28.5 watch -n5 oc get clusteroperators NAME VERSION AVAILABLE PROGRESSING DEGRADED SINCE authentication 4.15.0 True False False 19m baremetal 4.15.0 True False False 37m cloud-credential 4.15.0 True False False 40m cluster-autoscaler 4.15.0 True False False 37m config-operator 4.15.0 True False False 38m console 4.15.0 True False False 26m csi-snapshot-controller 4.15.0 True False False 37m dns 4.15.0 True False False 37m etcd 4.15.0 True False False 36m image-registry 4.15.0 True False False 31m ingress 4.15.0 True False False 30m insights 4.15.0 True False False 31m kube-apiserver 4.15.0 True False False 26m kube-controller-manager 4.15.0 True False False 36m kube-scheduler 4.15.0 True False False 36m kube-storage-version-migrator 4.15.0 True False False 37m machine-api 4.15.0 True False False 29m machine-approver 4.15.0 True False False 37m machine-config 4.15.0 True False False 36m marketplace 4.15.0 True False False 37m monitoring 4.15.0 True False False 29m network 4.15.0 True False False 38m node-tuning 4.15.0 True False False 37m openshift-apiserver 4.15.0 True False False 32m openshift-controller-manager 4.15.0 True False False 30m openshift-samples 4.15.0 True False False 32m operator-lifecycle-manager 4.15.0 True False False 37m operator-lifecycle-manager-catalog 4.15.0 True False False 37m operator-lifecycle-manager-packageserver 4.15.0 True False False 32m service-ca 4.15.0 True False False 38m storage 4.15.0 True False False 37m oc patch OperatorHub cluster --type json -p '[{"op": "add", "path": "/spec/disableAllDefaultSources", "value": true}]' oc edit configs.imageregistry.operator.openshift.io/cluster storage: s3: bucket: <bucket-name> region: <region-name> oc patch configs.imageregistry.operator.openshift.io cluster --type merge --patch '{"spec":{"storage":{"emptyDir":{}}}}' Error from server (NotFound): configs.imageregistry.operator.openshift.io "cluster" not found aws cloudformation delete-stack --stack-name <name> 1 oc get --all-namespaces -o jsonpath='{range .items[*]}{range .status.ingress[*]}{.host}{"\n"}{end}{end}' routes oauth-openshift.apps.<cluster_name>.<domain_name> console-openshift-console.apps.<cluster_name>.<domain_name> downloads-openshift-console.apps.<cluster_name>.<domain_name> alertmanager-main-openshift-monitoring.apps.<cluster_name>.<domain_name> prometheus-k8s-openshift-monitoring.apps.<cluster_name>.<domain_name> oc -n openshift-ingress get service router-default NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE router-default LoadBalancer 172.30.62.215 ab3...28.us-east-2.elb.amazonaws.com 80:31499/TCP,443:30693/TCP 5m aws elb describe-load-balancers | jq -r '.LoadBalancerDescriptions[] | select(.DNSName == "<external_ip>").CanonicalHostedZoneNameID' 1 Z3AADJGX6KTTL2 aws route53 list-hosted-zones-by-name --dns-name "<domain_name>" \ 1 --query 'HostedZones[? Config.PrivateZone != `true` && Name == `<domain_name>.`].Id' 2 --output text /hostedzone/Z3URY6TWQ91KVV aws route53 change-resource-record-sets --hosted-zone-id "<private_hosted_zone_id>" --change-batch '{ 1 > "Changes": [ > { > "Action": "CREATE", > "ResourceRecordSet": { > "Name": "\\052.apps.<cluster_domain>", 2 > "Type": "A", > "AliasTarget":{ > "HostedZoneId": "<hosted_zone_id>", 3 > "DNSName": "<external_ip>.", 4 > "EvaluateTargetHealth": false > } > } > } > ] > }' aws route53 change-resource-record-sets --hosted-zone-id "<public_hosted_zone_id>"" --change-batch '{ 1 > "Changes": [ > { > "Action": "CREATE", > "ResourceRecordSet": { > "Name": "\\052.apps.<cluster_domain>", 2 > "Type": "A", > "AliasTarget":{ > "HostedZoneId": "<hosted_zone_id>", 3 > "DNSName": "<external_ip>.", 4 > "EvaluateTargetHealth": false > } > } > } > ] > }' ./openshift-install --dir <installation_directory> wait-for install-complete 1 INFO Waiting up to 40m0s for the cluster at https://api.mycluster.example.com:6443 to initialize INFO Waiting up to 10m0s for the openshift-console route to be created INFO Install complete! INFO To access the cluster as the system:admin user when using 'oc', run 'export KUBECONFIG=/home/myuser/install_dir/auth/kubeconfig' INFO Access the OpenShift web-console here: https://console-openshift-console.apps.mycluster.example.com INFO Login to the console with user: "kubeadmin", and password: "password" INFO Time elapsed: 1s cat <installation_directory>/auth/kubeadmin-password oc get routes -n openshift-console | grep 'console-openshift' console console-openshift-console.apps.<cluster_name>.<base_domain> console https reencrypt/Redirect None