anchor.diff:    The name of an existing Neutron network in the OSP environment which
     allows inbound and outbound traffic. +
     Type: string +
  -  Example: public_network
  +  Example: `ext-net`
  +
  +KEYPAIR_NAME::
  +  The name of an existing Nova keypair +
  +  Type: string +
  +  Example: `ocp_key`
     
  +PRIVATE_KEY_FILE::
  +  The name of a file containing the private key matching the
  +  'KEYPAIR_NAME' above +
  +  Type: string +
  +  Example: `/home/user/.ssh/ocp_key_rsa`
   
  +==== Optional Values
  +
  +== Deploying the DNS stack
  +
  +The full stack can be deployed and configured using the helper script
  +in `bin/full_service.sh`.  This script takes old style single-hypen
  +arguments.  Run it with `-h` to see the usage information.
  +
  +
  +----
  +cd dns-service-heat
  +sh bin/full_service.sh \
  +  -z ocp3.example.com \
  +  -S env_server_rhel.yaml \
  +  -R rhn_credentials.yaml \
  +  -u "not_a_real_key"
  +  -e ext-net \
  +  -k ocp3 \
  +  -K ~/ocp3_rsa
  +----
  +
  +The script takes two distinct actions:
  +
  +1. Create a heat stack with network connectivity and instances created
  +and named to specification
  +1. Apply an Ansible playbook to the instances to configure the DNS service
  
positive.code: deployments for low level delegated sub-domains.  It is NOT to provide
  enterprise scale and quality DNS services.
  
  == Deployment Procedure
  
  The stack is deployed using a set of Heat templates and an Ansible
  
negative.code: ----
  
  === Input Values
  
  ==== Required Values
  
  ZONE::
    The DNS zone to be served +
  