Support HA for OVN DBs containers using pacemaker bundle

ovn-dbs pacemaker bundle resources are created for supporting
Master/Slave HA. puppet-tripleo already supports creating
ovn-dbs bundle resources. The heat template added in this patch
makes use of this.

Closes-bug: #1699085
Change-Id: I23c2d312cfb144f9afc14f0982a92670dc29d74c

docker/services/pacemaker/ovn-dbs.yaml

@@ -0,0 +1,140 @@
+heat_template_version: pike
+
+description: >
+  OpenStack containerized OVN DBs service managed by pacemaker
+
+parameters:
+  DockerOvnDbsImage:
+    description: image
+    type: string
+  DockerOvnDbsConfigImage:
+    description: image
+    type: string
+  EndpointMap:
+    default: {}
+    description: Mapping of service endpoint -> protocol. Typically set
+                 via parameter_defaults in the resource registry.
+    type: json
+  ServiceData:
+    default: {}
+    description: Dictionary packing service data
+    type: json
+  ServiceNetMap:
+    default: {}
+    description: Mapping of service_name -> network name. Typically set
+                 via parameter_defaults in the resource registry.  This
+                 mapping overrides those in ServiceNetMapDefaults.
+    type: json
+  DefaultPasswords:
+    default: {}
+    type: json
+  RoleName:
+    default: ''
+    description: Role name on which the service is applied
+    type: string
+  RoleParameters:
+    default: {}
+    description: Parameters specific to the role
+    type: json
+  OVNNorthboundServerPort:
+    description: Port of the OVN Northbound DB server
+    type: number
+    default: 6641
+  OVNSouthboundServerPort:
+    description: Port of the OVN Southbound DB server
+    type: number
+    default: 6642
+
+resources:
+
+  ContainersCommon:
+    type: ./../containers-common.yaml
+
+  OVNDbsBase:
+    type: ../../../puppet/services/pacemaker/ovn-dbs.yaml
+    properties:
+      EndpointMap: {get_param: EndpointMap}
+      ServiceData: {get_param: ServiceData}
+      ServiceNetMap: {get_param: ServiceNetMap}
+      DefaultPasswords: {get_param: DefaultPasswords}
+      RoleName: {get_param: RoleName}
+      RoleParameters: {get_param: RoleParameters}
+      OVNNorthboundServerPort: {get_param: OVNNorthboundServerPort}
+      OVNSouthboundServerPort: {get_param: OVNSouthboundServerPort}
+
+outputs:
+  role_data:
+    description: Role data for the OVN Dbs HA role.
+    value:
+      service_name: {get_attr: [OVNDbsBase, role_data, service_name]}
+      config_settings:
+        map_merge:
+          - get_attr: [OVNDbsBase, role_data, config_settings]
+          - tripleo::profile::pacemaker::ovn_dbs_bundle::ovn_dbs_docker_image: {get_param: DockerOvnDbsImage}
+          - tripleo::profile::pacemaker::ovn_dbs_bundle::nb_db_port: {get_param: OVNNorthboundServerPort}
+          - tripleo::profile::pacemaker::ovn_dbs_bundle::sb_db_port: {get_param: OVNSouthboundServerPort}
+      step_config: ''
+      service_config_settings: {get_attr: [OVNDbsBase, role_data, service_config_settings]}
+      # BEGIN DOCKER SETTINGS
+      puppet_config:
+        config_volume: 'ovn_dbs'
+        puppet_tags: 'exec'
+        step_config: ''
+        config_image: &ovn_dbs_config_image {get_param: DockerOvnDbsConfigImage}
+      kolla_config:
+        /var/lib/kolla/config_files/ovn_dbs.json:
+          command: /usr/sbin/pacemaker_remoted
+          config_files:
+            - dest: /etc/libqb/force-filesystem-sockets
+              source: /dev/null
+              owner: root
+              perm: '0644'
+            - source: "/var/lib/kolla/config_files/src/*"
+              dest: "/"
+              merge: true
+              preserve_properties: true
+              optional: true
+      docker_config:
+        step_3:
+          ovn_dbs_init_bundle:
+            start_order: 1
+            detach: false
+            net: host
+            user: root
+            config_volume: 'ovn_dbs_init_bundle'
+            command:
+              - '/bin/bash'
+              - '-c'
+              - str_replace:
+                  template:
+                    list_join:
+                      - '; '
+                      - - "cp -a /tmp/puppet-etc/* /etc/puppet; echo '{\"step\": 3}' > /etc/puppet/hieradata/docker.json"
+                        - "FACTER_uuid=docker puppet apply --tags file,file_line,concat,augeas,TAGS -v -e 'CONFIG'"
+                  params:
+                    TAGS: 'pacemaker::resource::bundle,pacemaker::property,pacemaker::resource::ip,pacemaker::resource::ocf,pacemaker::constraint::order,pacemaker::constraint::colocation'
+                    CONFIG:
+                      list_join:
+                        - ';'
+                        - - 'include ::tripleo::profile::base::pacemaker'
+                          - 'include ::tripleo::profile::pacemaker::ovn_dbs_bundle'
+            image: *ovn_dbs_config_image
+            volumes:
+              - /etc/hosts:/etc/hosts:ro
+              - /etc/localtime:/etc/localtime:ro
+              - /etc/puppet:/tmp/puppet-etc:ro
+              - /usr/share/openstack-puppet/modules:/usr/share/openstack-puppet/modules:ro
+              - /etc/corosync/corosync.conf:/etc/corosync/corosync.conf:ro
+              - /dev/shm:/dev/shm:rw
+      host_prep_tasks:
+        - name: create persistent directories
+          file:
+            path: "{{ item }}"
+            state: directory
+          with_items:
+            - /var/log/containers/openvswitch
+            - /var/lib/openvswitch/ovn
+      upgrade_tasks:
+        - name: Stop and disable ovn-northd service
+          tags: step2
+          service: name=ovn-northd state=stopped enabled=no

environments/services-docker/neutron-ovn-ha.yaml

@@ -0,0 +1,28 @@
+# A Heat environment that can be used to deploy OVN services with non HA OVN DB servers.
+resource_registry:
+  OS::TripleO::Docker::NeutronMl2PluginBase: ../../puppet/services/neutron-plugin-ml2-ovn.yaml
+  OS::TripleO::Services::OVNController: ../../docker/services/ovn-controller.yaml
+  OS::TripleO::Services::OVNDBs: ../../docker/services/pacemaker/ovn-dbs.yaml
+# Disabling Neutron services that overlap with OVN
+  OS::TripleO::Services::NeutronOvsAgent: OS::Heat::None
+  OS::TripleO::Services::ComputeNeutronOvsAgent: OS::Heat::None
+  OS::TripleO::Services::NeutronL3Agent: OS::Heat::None
+  OS::TripleO::Services::NeutronMetadataAgent: OS::Heat::None
+  OS::TripleO::Services::NeutronDhcpAgent: OS::Heat::None
+  OS::TripleO::Services::ComputeNeutronCorePlugin: OS::Heat::None
+
+
+parameter_defaults:
+  NeutronMechanismDrivers: ovn
+  OVNVifType: ovs
+  OVNNeutronSyncMode: log
+  OVNQosDriver: ovn-qos
+  OVNTunnelEncapType: geneve
+  NeutronEnableDHCPAgent: false
+  NeutronTypeDrivers: 'geneve,vxlan,vlan,flat'
+  NeutronNetworkType: 'geneve'
+  NeutronServicePlugins: 'qos,ovn-router'
+  NeutronVniRanges: ['1:65536', ]
+  # TODO (numans) - This is temporary and needs to be handled in tripleo-common
+  DockerNeutronApiImage: 'tripleoupstream/centos-binary-neutron-server-ovn:latest'
+  DockerNeutronConfigImage: 'tripleoupstream/centos-binary-neutron-server-ovn:latest'

releasenotes/notes/ovn-container-support-3ab333fff6e90dc4.yaml

@@ -2,3 +2,4 @@
 features:
   - Support containerized ovn-controller
   - Support containerized OVN Dbs without HA
+  - Support containerized OVN DBs with HA