Add Octavia driver agent service

Initial addition of the octavia driver agent service which is required
for the Octavia OVN provider.

Conflicts:
    deployment/octavia/octavia-api-container-puppet.yaml

Change-Id: Iddfbb649b3161a69a7d9a4a81b6913919d307d01
(cherry picked from commit 9e8d4e3c20)

deployment/octavia/octavia-api-container-puppet.yaml

@@ -80,11 +80,17 @@ parameters:
     default: true
     description: Configure the nova flavor for the amphora.
     type: boolean
+  NeutronMechanismDrivers:
+    default: 'ovn'
+    description: |
+        The mechanism drivers for the Neutron tenant network.
+    type: comma_delimited_list
 
 conditions:
 
   internal_tls_enabled: {equals: [{get_param: EnableInternalTLS}, true]}
   use_tls_proxy: {equals : [{get_param: EnableInternalTLS}, true]}
+  is_ovn_in_neutron_mechanism_driver: {contains: ['ovn', {get_param: NeutronMechanismDrivers}]}
 
 resources:
 
@@ -169,6 +175,12 @@ outputs:
                   "%{hiera('$NETWORK')}"
                 params:
                   $NETWORK: {get_param: [ServiceNetMap, OctaviaApiNetwork]}
+          -
+            if:
+              - is_ovn_in_neutron_mechanism_driver
+              - octavia::api::provider_drivers: 'amphora: Octavia Amphora Driver.,octavia: Deprecated alias of the Octavia Amphora driver.,ovn: Octavia OVN driver.'
+              - {}
+
       service_config_settings:
         rsyslog:
           tripleo_logging_sources_octavia_api:
@@ -214,6 +226,17 @@ outputs:
             - path: /var/log/octavia
               owner: octavia:octavia
               recurse: true
+        /var/lib/kolla/config_files/octavia_driver_agent.json:
+          command: /usr/bin/octavia-driver-agent --config-file /usr/share/octavia/octavia-dist.conf --config-file /etc/octavia/octavia.conf --log-file /var/log/octavia/driver-agent.log --config-dir /etc/octavia/conf.d/common
+          config_files:
+            - source: "/var/lib/kolla/config_files/src/*"
+              dest: "/"
+              merge: true
+              preserve_properties: true
+          permissions:
+            - path: /var/log/octavia
+              owner: octavia:octavia
+              recurse: true
       container_puppet_tasks:
         step_5:
           config_volume: octavia
@@ -276,6 +299,7 @@ outputs:
                       - /var/lib/kolla/config_files/octavia_api.json:/var/lib/kolla/config_files/config.json:ro
                       - /var/lib/config-data/puppet-generated/octavia/:/var/lib/kolla/config_files/src:ro
                       - /var/log/containers/octavia:/var/log/octavia:z
+                      - /var/run/octavia:/var/run/octavia:shared,z
                       - /var/log/containers/httpd/octavia-api:/var/log/httpd:z
                       -
                         if:
@@ -289,6 +313,26 @@ outputs:
                           - ''
                 environment:
                   KOLLA_CONFIG_STRATEGY: COPY_ALWAYS
+            - if:
+                - is_ovn_in_neutron_mechanism_driver
+                - octavia_driver_agent:
+                    start_order: 2
+                    image: *octavia_api_image
+                    net: host
+                    privileged: true
+                    restart: always
+                    volumes:
+                      list_concat:
+                        - {get_attr: [ContainersCommon, volumes]}
+                        -
+                          - /var/lib/kolla/config_files/octavia_driver_agent.json:/var/lib/kolla/config_files/config.json:ro
+                          - /var/lib/config-data/puppet-generated/octavia/:/var/lib/kolla/config_files/src:ro
+                          - /var/log/containers/octavia:/var/log/octavia:z
+                          - /var/run/octavia:/var/run/octavia:shared,z
+                    environment:
+                      KOLLA_CONFIG_STRATEGY: COPY_ALWAYS
+                - {}
+
       host_prep_tasks:
         - name: create persistent directories
           file:
@@ -299,6 +343,7 @@ outputs:
             - { 'path': /var/log/containers/octavia, 'setype': svirt_sandbox_file_t }
             - { 'path': /var/log/containers/httpd/octavia-api, 'setype': svirt_sandbox_file_t }
             - { 'path': /var/log/octavia, 'setype': svirt_sandbox_file_t }
+            - { 'path': /var/run/octavia, 'setype': svirt_sandbox_file_t }
         - name: octavia logs readme
           copy:
             dest: /var/log/octavia/readme.txt

releasenotes/notes/add-octavia-driver-agent-support-470fa6fd769c8428.yaml

@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Added support for running the Octavia driver agent in a container. This
+    will enable features such as the OVN load balancer provider in octavia as
+    well as other third party providers.