heat_template_version: pike

description: >
  OpenStack containerized Keystone service

parameters:
  DockerKeystoneImage:
    description: image
    type: string
  DockerKeystoneConfigImage:
    description: The container image to use for the keystone 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
  AdminPassword:
    description: The password for the keystone admin account, used for monitoring, querying neutron etc.
    type: string
    hidden: true
  KeystoneTokenProvider:
    description: The keystone token format
    type: string
    default: 'fernet'
    constraints:
      - allowed_values: ['uuid', 'fernet']
  EnableInternalTLS:
    type: boolean
    default: false

resources:

  ContainersCommon:
    type: ./containers-common.yaml

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

  KeystoneBase:
    type: ../../puppet/services/keystone.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}

conditions:

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

outputs:
  role_data:
    description: Role data for the Keystone API role.
    value:
      service_name: {get_attr: [KeystoneBase, role_data, service_name]}
      config_settings:
        map_merge:
          - get_attr: [KeystoneBase, role_data, config_settings]
          - apache::default_vhost: false
      logging_source: {get_attr: [KeystoneBase, role_data, logging_source]}
      logging_groups: {get_attr: [KeystoneBase, role_data, logging_groups]}
      step_config: &step_config
        list_join:
          - "\n"
          - - "['Keystone_user', 'Keystone_endpoint', 'Keystone_domain', 'Keystone_tenant', 'Keystone_user_role', 'Keystone_role', 'Keystone_service'].each |String $val| { noop_resource($val) }"
            - {get_attr: [KeystoneBase, role_data, step_config]}
            - {get_attr: [MySQLClient, role_data, step_config]}
      service_config_settings: {get_attr: [KeystoneBase, role_data, service_config_settings]}
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: keystone
        puppet_tags: keystone_config,keystone_domain_config
        step_config: *step_config
        config_image: &keystone_config_image {get_param: DockerKeystoneConfigImage}
      kolla_config:
        /var/lib/kolla/config_files/keystone.json:
          command: /usr/sbin/httpd -DFOREGROUND
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
        /var/lib/kolla/config_files/keystone_cron.json:
          # FIXME(dprince): this is unused ATM because Kolla hardcodes the
          # args for the keystone container to -DFOREGROUND
          command: /usr/sbin/crond -n
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
          permissions:
            - path: /var/log/keystone
              owner: keystone:keystone
              recurse: true
      docker_config:
        # Kolla_bootstrap/db sync runs before permissions set by kolla_config
        step_2:
          keystone_init_log:
            image: &keystone_image {get_param: DockerKeystoneImage}
            user: root
            command: ['/bin/bash', '-c', 'chown -R keystone:keystone /var/log/keystone']
            volumes:
              - /var/log/containers/keystone:/var/log/keystone
              - /var/log/containers/httpd/keystone:/var/log/httpd
        step_3:
          keystone_db_sync:
            image: *keystone_image
            net: host
            user: root
            privileged: false
            detach: false
            volumes: &keystone_volumes
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                -
                  - /var/lib/kolla/config_files/keystone.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/puppet-generated/keystone/:/var/lib/kolla/config_files/src:ro
                  - /var/log/containers/keystone:/var/log/keystone
                  - /var/log/containers/httpd/keystone:/var/log/httpd
                  -
                    if:
                      - internal_tls_enabled
                      - /etc/pki/tls/certs/httpd:/etc/pki/tls/certs/httpd:ro
                      - ''
                  -
                    if:
                      - internal_tls_enabled
                      - /etc/pki/tls/private/httpd:/etc/pki/tls/private/httpd:ro
                      - ''
            environment:
              - KOLLA_BOOTSTRAP=True
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
            command: ['/usr/bin/bootstrap_host_exec', 'keystone', '/usr/local/bin/kolla_start']
          keystone:
            start_order: 2
            image: *keystone_image
            net: host
            privileged: false
            restart: always
            volumes: *keystone_volumes
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
          keystone_bootstrap:
            start_order: 3
            action: exec
            user: root
            command:
              [ 'keystone', '/usr/bin/bootstrap_host_exec', 'keystone' ,'keystone-manage', 'bootstrap', '--bootstrap-password', {get_param: AdminPassword} ]
          keystone_cron:
            start_order: 4
            image: *keystone_image
            user: root
            net: host
            privileged: false
            restart: always
            command: ['/bin/bash', '-c', '/usr/local/bin/kolla_set_configs && /usr/sbin/crond -n']
            healthcheck:
              test: /bin/true
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                -
                  - /var/lib/kolla/config_files/keystone_cron.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/puppet-generated/keystone/:/var/lib/kolla/config_files/src:ro
                  - /var/log/containers/keystone:/var/log/keystone
                  - /var/log/containers/httpd/keystone:/var/log/httpd
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
        step_4:
          # There are cases where we need to refresh keystone after the resource provisioning,
          # such as the case of using LDAP backends for domains. So we trigger a graceful
          # restart [1], which shouldn't cause service disruption, but will reload new
          # configurations for keystone.
          # [1] https://httpd.apache.org/docs/2.4/stopping.html#graceful
          keystone_refresh:
            start_order: 1
            action: exec
            user: root
            command:
              [ 'keystone', 'pkill', '--signal', 'USR1', 'httpd' ]
      docker_puppet_tasks:
        # Keystone endpoint creation occurs only on single node
        step_3:
          config_volume: 'keystone_init_tasks'
          puppet_tags: 'keystone_config,keystone_domain_config,keystone_endpoint,keystone_identity_provider,keystone_paste_ini,keystone_role,keystone_service,keystone_tenant,keystone_user,keystone_user_role,keystone_domain'
          step_config: 'include ::tripleo::profile::base::keystone'
          config_image: *keystone_config_image
      host_prep_tasks:
        - name: create persistent logs directory
          file:
            path: "{{ item }}"
            state: directory
          with_items:
            - /var/log/containers/keystone
            - /var/log/containers/httpd/keystone
        - name: keystone logs readme
          copy:
            dest: /var/log/keystone/readme.txt
            content: |
              Log files from keystone containers can be found under
              /var/log/containers/keystone and /var/log/containers/httpd/keystone.
          ignore_errors: true
      upgrade_tasks:
        - name: Check for keystone running under apache
          tags: common
          shell: "httpd -t -D DUMP_VHOSTS | grep -q keystone_wsgi"
          ignore_errors: True
          register: httpd_enabled
        - name: Check if httpd is running
          tags: common
          command: systemctl is-active --quiet httpd
          ignore_errors: True
          register: httpd_running
        - name: "PreUpgrade step0,validation: Check if keystone_wsgi is running under httpd"
          shell: systemctl status 'httpd' | grep -q keystone
          tags: step0,validation
          when: httpd_enabled.rc == 0 and httpd_running.rc == 0
        - name: Stop and disable keystone service (running under httpd)
          tags: step2
          when: httpd_enabled.rc == 0 and httpd_running.rc == 0
          service: name=httpd state=stopped enabled=no
        - name: remove old keystone cron jobs
          tags: step2
          file:
            path: /var/spool/cron/keystone
            state: absent
      metadata_settings:
        get_attr: [KeystoneBase, role_data, metadata_settings]
