heat_template_version: queens

description: >
  OpenStack containerized Keepalived service

parameters:
  DockerKeepalivedImage:
    description: image
    type: string
  DockerKeepalivedConfigImage:
    description: The container image to use for the keepalived 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

resources:

  ContainersCommon:
    type: ./containers-common.yaml

  KeepalivedBase:
    type: ../../puppet/services/keepalived.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 Keepalived API role.
    value:
      service_name: {get_attr: [KeepalivedBase, role_data, service_name]}
      config_settings:
        map_merge:
          - get_attr: [KeepalivedBase, role_data, config_settings]
          - tripleo::keepalived:custom_vrrp_script: 'echo "show info" | socat unix-connect:/var/lib/haproxy/haproxy.sock stdio > /dev/null'
      logging_source: {get_attr: [KeepalivedBase, role_data, logging_source]}
      logging_groups: {get_attr: [KeepalivedBase, role_data, logging_groups]}
      service_config_settings: {get_attr: [KeepalivedBase, role_data, service_config_settings]}
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: 'keepalived'
        puppet_tags: 'file'
        step_config: {get_attr: [KeepalivedBase, role_data, step_config]}
        config_image: {get_param: DockerKeepalivedConfigImage}
      kolla_config:
        /var/lib/kolla/config_files/keepalived.json:
          command: /usr/sbin/keepalived -nldD | tee -a /var/log/keepalived.log
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
      docker_config:
        step_1:
          keepalived:
            start_order: 0
            image: {get_param: DockerKeepalivedImage}
            net: host
            privileged: true
            restart: always
            # FIXME: needs to be added to the container first
            #healthcheck:
              #test: /openstack/healthcheck
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                -
                  - /var/lib/kolla/config_files/keepalived.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/puppet-generated/keepalived/:/var/lib/kolla/config_files/src:ro
                  - /var/log/containers/keepalived/:/var/log/
                  - /lib/modules/:/lib/modules/:ro
                  - /var/lib/haproxy/:/var/lib/haproxy/
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
            command: /usr/local/bin/kolla_start
      host_prep_tasks:
        - name: create persistent logs directory
          file:
            path: "{{ item.path }}"
            state: directory
            setype: "{{ item.setype }}"
          with_items:
            - { 'path': /var/log/containers/keepalived, 'setype': svirt_sandbox_file_t }
            - { 'path': /var/log/keepalived, 'setype': svirt_sandbox_file_t }
        - name: keepalived logs readme
          copy:
            dest: /var/log/keepalived/readme.txt
            content: |
              Log files from keepalived containers can be found under
              /var/log/containers/keepalived.
          ignore_errors: true
      upgrade_tasks:
        - when: step|int == 0
          tags: common
          block:
            - name: Check if keepalived is deployed
              command: systemctl is-enabled --quiet keepalived
              ignore_errors: True
              register: keepalived_enabled_result
            - name: Set fact keepalived_enabled
              set_fact:
                keepalived_enabled: "{{ keepalived_enabled_result.rc == 0 }}"
        - when: step|int == 2
          block:
            - name: Stop and disable keepalived service
              service: name=keepalived state=stopped enabled=no
              when: keepalived_enabled|bool