heat_template_version: rocky

description: >
  OpenStack containerized Mistral Engine service

parameters:
  DockerMistralEngineImage:
    description: image
    type: string
  DockerMistralConfigImage:
    description: The container image to use for the mistral 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
  MistralExecutionFieldSizeLimit:
    default: 1024
    description: The default maximum size in KB of large text fields of runtime
                 execution objects. Use -1 for no limit.
    type: number
  MistralEvaluationInterval:
    default: 120
    description: How often will the executions be evaluated
                 (in minutes). For example for value 120 the interval
                 will be 2 hours (every 2 hours).
    type: number
  MistralFinishedExecutionDuration:
    default: 2880
    description: Evaluate from which time remove executions in minutes.
                 For example when set to 60, remove all executions
                 that finished a 60 minutes ago or more.
                 Minimum value is 1.
                 Note that only final state execution will remove (SUCCESS/ERROR).
    constraints:
      - range: { min: 1 }
    type: number
  RpcPort:
    default: 5672
    description: The network port for messaging backend
    type: number

resources:

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

  MySQLClient:
    type: ../database/mysql-client.yaml

  MistralBase:
    type: ./mistral-base.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}

outputs:
  role_data:
    description: Role data for the Mistral Engine role.
    value:
      service_name: mistral_engine
      config_settings:
        map_merge:
          - get_attr: [MistralBase, role_data, config_settings]
          - mistral::engine::execution_field_size_limit_kb: {get_param: MistralExecutionFieldSizeLimit}
            mistral::engine::evaluation_interval: {get_param: MistralEvaluationInterval}
            mistral::engine::older_than: {get_param: MistralFinishedExecutionDuration}
      service_config_settings: {get_attr: [MistralBase, role_data, service_config_settings]}
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: mistral
        puppet_tags: mistral_config
        step_config:
          list_join:
            - "\n"
            - - include ::tripleo::profile::base::mistral::engine
              - {get_attr: [MySQLClient, role_data, step_config]}
        config_image: {get_param: DockerMistralConfigImage}
      kolla_config:
        /var/lib/kolla/config_files/mistral_engine.json:
          command: /usr/bin/mistral-server --config-file=/etc/mistral/mistral.conf --log-file=/var/log/mistral/engine.log --server=engine
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
          permissions:
            - path: /var/log/mistral
              owner: mistral:mistral
              recurse: true
      docker_config:
        step_4:
          mistral_engine:
            image: {get_param: DockerMistralEngineImage}
            net: host
            privileged: false
            restart: always
            healthcheck:
              test:
                list_join:
                  - ' '
                  - - '/openstack/healthcheck'
                    - yaql:
                        expression: str($.data.port)
                        data:
                          port: {get_param: RpcPort}
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                -
                  - /run:/run
                  - /var/lib/kolla/config_files/mistral_engine.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/puppet-generated/mistral/:/var/lib/kolla/config_files/src:ro
                  - /var/log/containers/mistral:/var/log/mistral:z
                  - /var/lib/mistral:/var/lib/mistral:ro
                  - /usr/share/ansible/:/usr/share/ansible/:ro
                  - /usr/share/openstack-tripleo-validations:/usr/share/openstack-tripleo-validations:ro
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
      host_prep_tasks:
        - name: create persistent directories
          file:
            path: "{{ item.path }}"
            state: directory
            setype: "{{ item.setype }}"
          with_items:
            - { 'path': /var/log/containers/mistral, 'setype': svirt_sandbox_file_t }
            - { 'path': /var/log/mistral, 'setype': svirt_sandbox_file_t }
        - name: mistral logs readme
          copy:
            dest: /var/log/mistral/readme.txt
            content: |
              Log files from mistral containers can be found under
              /var/log/containers/mistral.
          ignore_errors: true
        - name: enable virt_sandbox_use_netlink for healthcheck
          seboolean:
            name: virt_sandbox_use_netlink
            persistent: yes
            state: yes
      post_upgrade_tasks:
        - when: step|int == 1
          import_role:
            name: tripleo-docker-rm
          vars:
            containers_to_rm:
              - mistral_engine