Add simple Python k8s example
MODIFY
README.md
README.md
@@ -260,6 +260,12 @@ Example | Description |
[Staged App Rollout](kubernetes-ts-staged-rollout-with-prometheus) | Create a staged rollout gated by checking that the P90 response time reported by Prometheus is less than some amount.
[Wordpress Helm Chart](kubernetes-ts-helm-wordpress) | Use the Helm API to deploy v2.1.3 of the Wordpress Helm Chart to a Kubernetes cluster.
+### Python
+
+Example | Description |
+----- | --------- |
+[Guestbook](kubernetes-py-guestbook) | Build and deploy a simple, multi-tier web application using Kubernetes and Docker.
+
### C#
Example | Description |

ADD
kubernetes-py-guestbook/.gitignore
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ADD
kubernetes-py-guestbook/README.md
+[![Deploy](https://get.pulumi.com/new/button.svg)](https://app.pulumi.com/new?template=https://github.com/pulumi/examples/tree/master/kubernetes-py-guestbook/simple)
+
+# Simple Guestbook App
+
+A port of the standard [Kubernetes Guestbook](https://kubernetes.io/docs/tutorials/stateless-application/guestbook/)
+to Pulumi. This example shows you how to build and deploy a simple, multi-tier web application using Kubernetes and
+Docker, and consists of three components:
+
+* A single-instance Redis master to store guestbook entries
+* Multiple replicated Redis instances to serve reads
+* Multiple web frontend instances

ADD
kubernetes-py-guestbook/simple/Pulumi.yaml
+name: kubernetes-py-guestbook
+runtime: python
+description: Kubernetes Guestbook example based on https://kubernetes.io/docs/tutorials/stateless-application/guestbook/

ADD
kubernetes-py-guestbook/simple/__main__.py
+# Copyright 2016-2020, Pulumi Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import pulumi
+from pulumi_kubernetes.apps.v1 import Deployment
+from pulumi_kubernetes.core.v1 import Service, Namespace
+
+# Minikube does not implement services of type `LoadBalancer`; require the user to specify if we're
+# running on minikube, and if so, create only services of type ClusterIP.
+config = pulumi.Config()
+isMinikube = config.get_bool("isMinikube")
+
+redis_leader_labels = {
+ "app": "redis",
+ "tier": "backend",
+ "role": "master"
+}
+
+redis_leader_deployment = Deployment(
+ "redis-leader",
+ spec={
+ "selector": {
+ "match_labels": redis_leader_labels,
+ },
+ "replicas": 1,
+ "template": {
+ "metadata": {
+ "labels": redis_leader_labels,
+ },
+ "spec": {
+ "containers": [{
+ "name": "master",
+ "image": "k8s.gcr.io/redis:e2e",
+ "resources": {
+ "requests": {
+ "cpu": "100m",
+ "memory": "100Mi",
+ },
+ },
+ "ports": [{
+ "container_port": 6379,
+ }],
+ }],
+ },
+ },
+ })
+
+redis_leader_service = Service(
+ "redis-leader",
+ metadata={
+ "labels": redis_leader_labels
+ },
+ spec={
+ "ports": [{
+ "port": 6379,
+ "target_port": 6379,
+ }],
+ "selector": redis_leader_labels
+ })
+
+redis_follower_labels = {
+ "app": "redis",
+ "tier": "backend",
+ "role": "slave"
+}
+
+redis_follower_deployment = Deployment(
+ "redis-follower",
+ spec={
+ "selector": {
+ "match_labels": redis_follower_labels
+ },
+ "replicas": 1,
+ "template": {
+ "metadata": {
+ "labels": redis_follower_labels,
+ },
+ "spec": {
+ "containers": [{
+ "name": "slave",
+ "image": "gcr.io/google_samples/gb-redisslave:v1",
+ "resources": {
+ "requests": {
+ "cpu": "100m",
+ "memory": "100Mi",
+ },
+ },
+ "env": [{
+ "name": "GET_HOSTS_FROM",
+ "value": "dns",
+ # If your cluster config does not include a dns service, then to instead access an environment
+ # variable to find the master service's host, comment out the 'value: dns' line above, and
+ # uncomment the line below:
+ # value: "env"
+ }],
+ "ports": [{
+ "container_port": 6379,
+ }],
+ }],
+ },
+ },
+ })
+
+redis_follower_service = Service(
+ "redis-follower",
+ metadata={
+ "labels": redis_follower_labels
+ },
+ spec={
+ "ports": [{
+ "port": 6379,
+ "target_port": 6379,
+ }],
+ "selector": redis_follower_labels
+ })
+
+# Frontend
+frontend_labels = {
+ "app": "guestbook",
+ "tier": "frontend"
+}
+
+frontend_deployment = Deployment(
+ "frontend",
+ spec={
+ "selector": {
+ "match_labels": frontend_labels,
+ },
+ "replicas": 3,
+ "template": {
+ "metadata": {
+ "labels": frontend_labels,
+ },
+ "spec": {
+ "containers": [{
+ "name": "php-redis",
+ "image": "gcr.io/google-samples/gb-frontend:v4",
+ "resources": {
+ "requests": {
+ "cpu": "100m",
+ "memory": "100Mi",
+ },
+ },
+ "env": [{
+ "name": "GET_HOSTS_FROM",
+ "value": "dns",
+ # If your cluster config does not include a dns service, then to instead access an environment
+ # variable to find the master service's host, comment out the 'value: dns' line above, and
+ # uncomment the line below:
+ # "value": "env"
+ }],
+ "ports": [{
+ "container_port": 80,
+ }],
+ }],
+ },
+ },
+ })
+
+frontend_service = Service(
+ "frontend",
+ metadata={
+ "name": "frontend",
+ "labels": frontend_labels,
+ },
+ spec={
+ "type": "ClusterIP" if isMinikube else "LoadBalancer",
+ "ports": [{
+ "port": 80
+ }],
+ "selector": frontend_labels,
+ })
+
+frontend_ip = ""
+if isMinikube:
+ frontend_ip = frontend_service.spec.apply(lambda spec: spec.get("cluster_ip", ""))
+else:
+ ingress = frontend_service.status.apply(lambda status: status["load_balancer"]["ingress"][0])
+ frontend_ip = ingress.apply(lambda ingress: ingress.get("ip", ingress.get("hostname", "")))
+pulumi.export("frontend_ip", frontend_ip)

ADD
kubernetes-py-guestbook/simple/imgs/guestbook.png
kubernetes-py-guestbook/simple/imgs/guestbook.png
Binary files /dev/null and b/kubernetes-py-guestbook/simple/imgs/guestbook.png differ

ADD
kubernetes-py-guestbook/simple/requirements.txt
+pulumi>=1.8.1,<2.0.0
+pulumi-kubernetes>=1.5.6,<2.0.0

Add simple Python k8s example (#593)