Add environments dcn.yaml and dcn-hci.yaml.

Adds 2 new DCN related environments created using the
sample-env-generator.

Also updates a comment for the NovaComputeAvailabilityZone parameter in
deployment/nova/nova-az-config.yaml.

Change-Id: Iad5c932a1f469130bcf9d82277eac4fcf7ecda75

deployment/nova/nova-az-config.yaml

@@ -37,6 +37,7 @@ parameters:
   NovaComputeAvailabilityZone:
     description: The availability zone where new Nova compute nodes will be
                  added. If the zone does not already exist, it will be created.
+                 If left unset, it will default to the value of the stack name.
     default: ""
     type: string
   RootStackName:

environments/dcn-hci.yaml

@@ -0,0 +1,33 @@
+# *******************************************************************
+# This file was created automatically by the sample environment
+# generator. Developers should use `tox -e genconfig` to update it.
+# Users are recommended to make changes to a copy of the file instead
+# of the original, if any customizations are needed.
+# *******************************************************************
+# title: Distributed Compute Node HCI
+# description: |
+#   Environment file for deploying a remote site of HCI distributed compute
+#   nodes (DCN) in a separate stack (multi-stack) deployment. It should be
+#   used in combination with environments/ceph-ansible/ceph-ansible.yaml.
+parameter_defaults:
+  # When running Cinder A/A, whether to connect to Etcd via the local IP for the Etcd network. If set to true, the ip on the local node will be used. If set to false, the VIP on the Etcd network will be used instead. Defaults to false.
+  # Type: boolean
+  CinderEtcdLocalConnect: True
+
+  # The Cinder service's storage availability zone.
+  # Type: string
+  CinderStorageAvailabilityZone: dcn
+
+  # The cluster name used for deploying the cinder-volume service in an active-active (A/A) configuration. This configuration requires the Cinder backend drivers support A/A, and the cinder-volume service not be managed by pacemaker. If these criteria are not met then the cluster name must be left blank.
+  # Type: string
+  CinderVolumeCluster: dcn
+
+  # The availability zone where new Nova compute nodes will be added. If the zone does not already exist, it will be created. If left unset, it will default to the value of the stack name.
+  # Type: string
+  NovaComputeAvailabilityZone: ''
+
+resource_registry:
+  OS::TripleO::Network::Ports::RedisVipPort: ../network/ports/noop.yaml
+  OS::TripleO::Services::CinderVolume: ../deployment/cinder/cinder-volume-container-puppet.yaml
+  OS::TripleO::Services::Etcd: ../../deployment/etcd/etcd-container-puppet.yaml
+  OS::TripleO::Services::NovaAZConfig: ../deployment/nova/nova-az-config.yaml

environments/dcn.yaml

@@ -0,0 +1,18 @@
+# *******************************************************************
+# This file was created automatically by the sample environment
+# generator. Developers should use `tox -e genconfig` to update it.
+# Users are recommended to make changes to a copy of the file instead
+# of the original, if any customizations are needed.
+# *******************************************************************
+# title: Distributed Compute Node
+# description: |
+#   Environment file for deploying a remote site of distributed compute nodes
+#   (DCN) in a separate stack (multi-stack) deployment.
+parameter_defaults:
+  # The availability zone where new Nova compute nodes will be added. If the zone does not already exist, it will be created. If left unset, it will default to the value of the stack name.
+  # Type: string
+  NovaComputeAvailabilityZone: ''
+
+resource_registry:
+  OS::TripleO::Network::Ports::RedisVipPort: ../network/ports/noop.yaml
+  OS::TripleO::Services::NovaAZConfig: ../deployment/nova/nova-az-config.yaml

releasenotes/notes/dcn-environments-96379042a22f895e.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - Environment files for distributed compute node (DCN) deployments have been
+    added at environments/dcn.yaml and environments/dcn-hci.yaml.

sample-env-generator/dcn.yaml

@@ -0,0 +1,37 @@
+environments:
+  - name: dcn
+    title: Distributed Compute Node
+    description: |-
+      Environment file for deploying a remote site of distributed compute nodes
+      (DCN) in a separate stack (multi-stack) deployment.
+    files: &dcn_files
+      deployment/nova/nova-az-config.yaml:
+        parameters:
+          - NovaComputeAvailabilityZone
+    resource_registry: &dcn_resource_registry
+      OS::TripleO::Network::Ports::RedisVipPort: ../network/ports/noop.yaml
+      OS::TripleO::Services::NovaAZConfig: ../deployment/nova/nova-az-config.yaml
+    children:
+      - name: dcn-hci
+        title: Distributed Compute Node HCI
+        description: |-
+          Environment file for deploying a remote site of HCI distributed compute
+          nodes (DCN) in a separate stack (multi-stack) deployment. It should be
+          used in combination with environments/ceph-ansible/ceph-ansible.yaml.
+        files:
+          <<: *dcn_files
+          deployment/cinder/cinder-base.yaml:
+            parameters:
+              - CinderStorageAvailabilityZone
+          deployment/cinder/cinder-volume-container-puppet.yaml:
+            parameters:
+              - CinderVolumeCluster
+              - CinderEtcdLocalConnect
+        sample_values:
+          CinderStorageAvailabilityZone: dcn
+          CinderVolumeCluster: dcn
+          CinderEtcdLocalConnect: True
+        resource_registry:
+          <<: *dcn_resource_registry
+          OS::TripleO::Services::Etcd: ../../deployment/etcd/etcd-container-puppet.yaml
+          OS::TripleO::Services::CinderVolume: ../deployment/cinder/cinder-volume-container-puppet.yaml