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
  UpgradeRemoveUnusedPackages:
    default: false
    description: Remove package if the service is being disabled during upgrade
    type: boolean


resources:

  ContainersCommon:
    type: ./containers-common.yaml

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

  MistralBase:
    type: ../../puppet/services/mistral-engine.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: {get_attr: [MistralBase, role_data, service_name]}
      config_settings:
        map_merge:
          - get_attr: [MistralBase, role_data, config_settings]
      logging_source: {get_attr: [MistralBase, role_data, logging_source]}
      logging_groups: {get_attr: [MistralBase, role_data, logging_groups]}
      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"
            - - {get_attr: [MistralBase, role_data, step_config]}
              - {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: /openstack/healthcheck
            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
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
      host_prep_tasks:
        - name: create persistent logs directory
          file:
            path: /var/log/containers/mistral
            state: directory
        - 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
      upgrade_tasks:
        - when: step|int == 0
          tags: common
          block:
            - name: Check if mistral engine is deployed
              command: systemctl is-enabled --quiet openstack-mistral-engine
              ignore_errors: True
              register: mistral_engine_enabled_result
            - name: Set fact mistral_engine_enabled
              set_fact:
                mistral_engine_enabled: "{{ mistral_engine_enabled_result.rc == 0 }}"
            - name: "PreUpgrade step0,validation: Check if openstack-mistral-engine is running"
              command: systemctl is-active --quiet openstack-mistral-engine
              when: mistral_engine_enabled|bool
              tags: validation
        - when: step|int == 2
          block:
            - name: Stop and disable mistral_engine service
              when: mistral_engine_enabled|bool
              service: name=openstack-mistral-engine state=stopped enabled=no
            - name: Set fact for removal of openstack-mistral-engine package
              set_fact:
                remove_mistral_engine_package: {get_param: UpgradeRemoveUnusedPackages}
            - name: Remove openstack-mistral-engine package if operator requests it
              yum: name=openstack-mistral-engine state=removed
              ignore_errors: True
              when: remove_mistral_engine_package|bool