heat_template_version: wallaby

description: >
  OpenStack containerized Redis services

parameters:
  ContainerRedisImage:
    description: image
    type: string
  ContainerRedisConfigImage:
    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
  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
  CertificateKeySize:
    type: string
    default: '2048'
    description: Specifies the private key size used when creating the
                 certificate.
  RedisCertificateKeySize:
    type: string
    default: ''
    description: Override the private key size used when creating the
                 certificate for this service

conditions:

  internal_tls_enabled: {equals: [{get_param: EnableInternalTLS}, true]}
  key_size_override_unset: {equals: [{get_param: RedisCertificateKeySize}, '']}

resources:

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

  RedisBase:
    type: ./redis-base-puppet.yaml
    properties:
      EndpointMap: {get_param: EndpointMap}
      ServiceData: {get_param: ServiceData}
      ServiceNetMap: {get_param: ServiceNetMap}

outputs:
  role_data:
    description: Role data for the Redis API role.
    value:
      service_name: redis
      firewall_rules:
        '108 redis':
          dport:
            - 6379
            - 26379
      config_settings:
        map_merge:
          - {get_attr: [RedisBase, role_data, config_settings]}
          - redis::daemonize: false
            tripleo::stunnel::manage_service: false
            tripleo::stunnel::foreground: 'yes'
          - tripleo::profile::base::database::redis::tls_proxy_bind_ip:
              str_replace:
                template:
                  "%{hiera('$NETWORK')}"
                params:
                  $NETWORK: {get_param: [ServiceNetMap, RedisNetwork]}
            tripleo::profile::base::database::redis::tls_proxy_fqdn:
              str_replace:
                template:
                  "%{hiera('fqdn_$NETWORK')}"
                params:
                  $NETWORK: {get_param: [ServiceNetMap, RedisNetwork]}
            tripleo::profile::base::database::redis::tls_proxy_port: 6379
          - if:
            - internal_tls_enabled
            - tripleo::redis::service_certificate: '/etc/pki/tls/certs/redis.crt'
              redis_certificate_specs:
                service_certificate: '/etc/pki/tls/certs/redis.crt'
                service_key: '/etc/pki/tls/private/redis.key'
            - {}
      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:
          list_join:
            - "\n"
            - - include tripleo::profile::base::database::redis
              - {get_attr: [RedisBase, role_data, step_config]}
        config_image: {get_param: ContainerRedisConfigImage}
      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: /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: ContainerRedisImage}
                net: none
                privileged: false
                user: root
                volumes:
                  - /var/log/containers/redis:/var/log/redis:z
                command: ['/bin/bash', '-c', 'chown -R redis:redis /var/log/redis']
            - redis:
                start_order: 1
                stop_grace_period: 60
                image: *redis_image
                net: host
                privileged: false
                restart: always
                healthcheck:
                  test: /openstack/healthcheck
                volumes:
                  - /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:z
                  - /run/redis:/run/redis:z
                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
                    healthcheck:
                      test: /openstack/healthcheck
                    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:
        if:
          - internal_tls_enabled
          -
            - service: redis
              network: {get_param: [ServiceNetMap, RedisNetwork]}
              type: vip
            - service: redis
              network: {get_param: [ServiceNetMap, RedisNetwork]}
              type: node
          - null
      deploy_steps_tasks:
        - name: Certificate generation
          when:
            - step|int == 1
            - enable_internal_tls
          block:
            - include_role:
                name: linux-system-roles.certificate
              vars:
                certificate_requests:
                  - name: redis
                    dns:
                      - str_replace:
                          template: "{{fqdn_$NETWORK}}"
                          params:
                            $NETWORK: {get_param: [ServiceNetMap, RedisNetwork]}
                      - str_replace:
                          template: "{{cloud_names.cloud_name_NETWORK}}"
                          params:
                            NETWORK: {get_param: [ServiceNetMap, RedisNetwork]}
                    principal:
                      str_replace:
                        template: "redis/{{fqdn_$NETWORK}}@{{idm_realm}}"
                        params:
                          $NETWORK: {get_param: [ServiceNetMap, RedisNetwork]}
                    run_after: |
                      container_name=$({{container_cli}} ps --format=\{\{.Names\}\} | grep redis_tls_proxy)
                      service_crt="/etc/pki/tls/certs/redis.crt"
                      service_key="/etc/pki/tls/private/redis.key"
                      # Copy the new cert from the mount-point to the real path
                      {{container_cli}} exec "$container_name" cp "/var/lib/kolla/config_files/src-tls$service_crt" "$service_crt"
                      # Copy the new cert from the mount-point to the real path
                      {{container_cli}} exec "$container_name" cp "/var/lib/kolla/config_files/src-tls$service_key" "$service_key"
                      # Set appropriate permissions
                      {{container_cli}} exec "$container_name" chown memcached:memcached "$service_crt"
                      {{container_cli}} exec "$container_name" chown memcached:memcached "$service_key"
                      # Trigger a reload for stunnel to read the new certificate
                      {{container_cli}} exec pkill -o -HUP stunnel
                    key_size:
                      if:
                        - key_size_override_unset
                        - {get_param: CertificateKeySize}
                        - {get_param: RedisCertificateKeySize}
                    ca: ipa
      host_prep_tasks:
        - name: create fcontext entry for redis data
          sefcontext:
            target: "/var/run/redis(/.*)?" # conflicts with equivalency rule '/run /var/run' - have to use /var/run here...
            setype: container_file_t
            state: present
        - name: create persistent directories
          file:
            path: "{{ item.path }}"
            state: directory
            setype: "{{ item.setype }}"
            mode: "{{ item.mode|default(omit) }}"
          with_items:
            - { 'path': /var/log/containers/redis, 'setype': container_file_t, 'mode': '0750' }
            - { 'path': /run/redis, 'setype': container_file_t }
        - name: ensure /run/redis is present upon reboot
          copy:
            dest: /etc/tmpfiles.d/run-redis.conf
            content: |
              d /run/redis 0755 root root - -
      update_tasks:
        - name: redis_container_puppet_redis_pkg_clean
          when: step|int == 1
          block: &redis_container_puppet_redis_pkg_clean
            - name: Ensure redis is uninstalled on container host
              package:
                name: redis
                state: absent
        - name: redis_container_puppet_tmpfile_cleanup
          when: step|int == 1
          block: &redis_container_puppet_tmpfile_cleanup
            - name: remove old tmpfiles.d config
              file:
                path: /etc/tmpfiles.d/var-run-redis.conf
                state: absent
      upgrade_tasks:
        - name: redis_container_puppet_redis_pkg_clean
          when: step|int == 1
          block: *redis_container_puppet_redis_pkg_clean
        - name: redis_container_puppet_tmpfile_cleanup
          when: step|int == 1
          block: *redis_container_puppet_tmpfile_cleanup
      external_upgrade_tasks:
        - when:
            - step|int == 1
          tags:
            - never
            - system_upgrade_transfer_data
            - system_upgrade_stop_services
          block:
            - name: Stop redis container
              import_role:
                name: tripleo_container_stop
              vars:
                tripleo_containers_to_stop:
                  with_items:
                    list_concat:
                      - - redis
                      - - if:
                            - internal_tls_enabled
                            - - redis_tls_proxy
                            - null
                tripleo_delegate_to: "{{ groups['redis'] | default([]) }}"