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heat_template_version: pike

description: >
  OpenStack containerized Redis services

parameters:
  DockerRedisImage:
    description: image
    type: string
  DockerRedisConfigImage:
    description: The container image to use for the redis config_volume
    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
  EnableInternalTLS:
    type: boolean
    default: false

conditions:

  internal_tls_enabled: {equals: [{get_param: EnableInternalTLS}, true]}

resources:

  ContainersCommon:
    type: ../containers-common.yaml

  RedisBase:
    type: ../../../puppet/services/database/redis.yaml
    properties:
      EndpointMap: {get_param: EndpointMap}
      ServiceData: {get_param: ServiceData}
      ServiceNetMap: {get_param: ServiceNetMap}
      DefaultPasswords: {get_param: DefaultPasswords}

outputs:
  role_data:
    description: Role data for the Redis API role.
    value:
      service_name: {get_attr: [RedisBase, role_data, service_name]}
      config_settings:
        map_merge:
          - {get_attr: [RedisBase, role_data, config_settings]}
          - redis::daemonize: false
            tripleo::stunnel::manage_service: false
            tripleo::stunnel::foreground: 'yes'
      step_config: &step_config
        get_attr: [RedisBase, role_data, step_config]
      service_config_settings: {get_attr: [RedisBase, role_data, service_config_settings]}
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: 'redis'
        # NOTE: we need the exec tag to copy /etc/redis.conf.puppet to
        # /etc/redis.conf
        # https://github.com/arioch/puppet-redis/commit/1c004143223e660cbd433422ff8194508aab9763
        puppet_tags: 'exec'
        step_config: *step_config
        config_image: {get_param: DockerRedisConfigImage}
      kolla_config:
        /var/lib/kolla/config_files/redis.json:
          command: /usr/bin/redis-server /etc/redis.conf
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
          permissions:
            - path: /var/run/redis
              owner: redis:redis
              recurse: true
        /var/lib/kolla/config_files/redis_tls_proxy.json:
          command: stunnel /etc/stunnel/stunnel.conf
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
      docker_config:
        step_1:
          map_merge:
            - redis_init_logs:
                start_order: 0
                detach: false
                image: &redis_image {get_param: DockerRedisImage}
                privileged: false
                user: root
                volumes:
                  - /var/log/containers/redis:/var/log/redis
                command: ['/bin/bash', '-c', 'chown -R redis:redis /var/log/redis']
            - redis:
                start_order: 1
                image: *redis_image
                net: host
                privileged: false
                restart: always
                volumes:
                  - /run:/run
                  - /var/lib/kolla/config_files/redis.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/puppet-generated/redis/:/var/lib/kolla/config_files/src:ro
                  - /etc/localtime:/etc/localtime:ro
                  - /var/log/containers/redis:/var/log/redis
                environment:
                  - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
            - if:
                - internal_tls_enabled
                - redis_tls_proxy:
                    start_order: 2
                    image: *redis_image
                    net: host
                    user: root
                    restart: always
                    volumes:
                      list_concat:
                        - {get_attr: [ContainersCommon, volumes]}
                        -
                          - /var/lib/kolla/config_files/redis_tls_proxy.json:/var/lib/kolla/config_files/config.json:ro
                          - /var/lib/config-data/puppet-generated/redis/:/var/lib/kolla/config_files/src:ro
                          - /etc/pki/tls/certs/redis.crt:/etc/pki/tls/certs/redis.crt:ro
                          - /etc/pki/tls/private/redis.key:/etc/pki/tls/private/redis.key:ro
                    environment:
                      - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
                - {}
      metadata_settings:
        get_attr: [RedisBase, role_data, metadata_settings]
      host_prep_tasks:
        - name: create persistent directories
          file:
            path: "{{ item }}"
            state: directory
          with_items:
            - /var/log/containers/redis
            - /var/run/redis
      upgrade_tasks:
        - name: Stop and disable redis service
          tags: step2
          service: name=redis state=stopped enabled=no