Add options to set the overcloud's FQDNs and domain

These are set in an environment variable and are applicable since the
newton release. They are set in the nodes' /etc/hosts file and can be
used for the keystone endpoints depending on the endpoint map
environment file that is used.

Change-Id: Ida2b8b3964b10c90882b6bbeece057377e81cb68

roles/overcloud-deploy/README.md

@@ -16,6 +16,12 @@ A description of the settable variables for this role should go here, including
 * `overcloud_ipv6`: enables IPv6 deployment on the overcloud
 * `enable_cinder_backup`: false/true - enables cinder-backup service.
 * `deployed_server`: false/true - enables support for nodepool deployed server deployment (default: false)
+* `overcloud_cloud_name`: Sets the FQDN for the overcloud's public VIP.
+* `overcloud_cloud_name_internal`: Sets the FQDN for the overcloud's VIP for the internal network.
+* `overcloud_cloud_name_storage`: Sets the FQDN for the overcloud's VIP for the storage network.
+* `overcloud_cloud_name_storage_management`: Sets the FQDN for the overcloud's VIP for the storage management network.
+* `overcloud_cloud_name_ctlplane`: Sets the FQDN for the overcloud's VIP for the ctlplane network.
+* `overcloud_cloud_domain`: Sets the domain for the nodes' internal hostnames.
 
 Dependencies
 ------------

roles/overcloud-deploy/defaults/main.yml

@@ -59,6 +59,7 @@ timeout_args: "--timeout {{deploy_timeout}}"
 
 set_overcloud_workers: true
 
+cloud_name_args: ""
 network_args: ""
 pacemaker_args: ""
 workers_args: ""
@@ -77,6 +78,7 @@ deploy_args: >-
   {{ libvirt_args }}
   {{ flavor_args }}
   {{ timeout_args }}
+  {{ cloud_name_args }}
   {{ container_args }}
   {{ network_args }}
   {{ pacemaker_args }}

roles/overcloud-deploy/tasks/create-scripts.yml

@@ -24,3 +24,10 @@
   template:
     src: "overcloud_services.yaml.j2"
     dest: "{{ working_dir }}/overcloud_services.yaml"
+
+- name: Cloud names heat environment
+  when: release not in ['mitaka', 'liberty']
+  template:
+    src: "cloud-names.yaml.j2"
+    dest: "{{ working_dir }}/cloud-names.yaml"
+

roles/overcloud-deploy/tasks/pre-deploy.yml

@@ -36,6 +36,12 @@
       -e {{ overcloud_templates_path }}/environments/cinder-backup.yaml
   when: enable_cinder_backup|bool
 
+- name: Set cloud-name variables
+  set_fact:
+      cloud_name_args: >-
+          -e {{ working_dir }}/cloud-names.yaml
+  when: release not in ['mitaka', 'liberty']
+
 - name: set ssl_args fact for master/newton
   set_fact:
     ssl_args: >-

roles/overcloud-deploy/templates/cloud-names.yaml.j2

@@ -0,0 +1,9 @@
+# Defines the cloud names based on parameters given.
+
+parameter_defaults:
+  CloudName: {{overcloud_cloud_name|default('overcloud.localdomain')}}
+  CloudNameInternal: {{overcloud_cloud_name_internal|default('overcloud.internalapi.localdomain')}}
+  CloudNameStorage: {{overcloud_cloud_name_storage|default('overcloud.storage.localdomain')}}
+  CloudNameStorageManagement: {{overcloud_cloud_name_storage_management|default('overcloud.storagemgmt.localdomain')}}
+  CloudNameCtlplane: {{overcloud_cloud_name_ctlplane|default('overcloud.ctlplane.localdomain')}}
+  CloudDomain: {{overcloud_cloud_domain|default('localdomain')}}