tripleo-heat-templates/docker/services/pacemaker/cinder-volume.yaml

heat_template_version: pike

description: >
  OpenStack containerized Cinder Volume service  

parameters:
  DockerCinderVolumeImage:
    description: image
    type: string
  DockerCinderConfigImage:
    description: The container image to use for the cinder 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
  # custom parameters for the Cinder volume role
  CinderEnableIscsiBackend:
    default: true
    description: Whether to enable or not the Iscsi backend for Cinder
    type: boolean
  CinderLVMLoopDeviceSize:
    default: 10280
    description: The size of the loopback file used by the cinder LVM driver.
    type: number

resources:

  CinderBase:
    type: ../../../puppet/services/cinder-volume.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 Cinder Volume role.
    value:
      service_name: {get_attr: [CinderBase, role_data, service_name]}
      config_settings:
        map_merge:
          - get_attr: [CinderBase, role_data, config_settings]
          - tripleo::profile::pacemaker::cinder::volume_bundle::cinder_volume_docker_image: &cinder_volume_image {get_param: DockerCinderVolumeImage}
            cinder::volume::manage_service: false
            cinder::volume::enabled: false
            cinder::host: hostgroup
      step_config: ""
      service_config_settings: {get_attr: [CinderBase, role_data, service_config_settings]}
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: cinder
        puppet_tags: cinder_config,file,concat,file_line
        step_config: {get_attr: [CinderBase, role_data, step_config]}
        config_image: {get_param: DockerCinderConfigImage}
      kolla_config:
        /var/lib/kolla/config_files/cinder_volume.json:
          command: /usr/bin/cinder-volume --config-file /usr/share/cinder/cinder-dist.conf --config-file /etc/cinder/cinder.conf
          permissions:
            - path: /var/log/cinder
              owner: cinder:cinder
              recurse: true
      docker_config:
        step_3:
          cinder_volume_init_logs:
            start_order: 0
            image: *cinder_volume_image
            privileged: false
            user: root
            volumes:
              - /var/log/containers/cinder:/var/log/cinder
            command: ['/bin/bash', '-c', 'chown -R cinder:cinder /var/log/cinder']
        step_5:
          cinder_volume_init_bundle:
            start_order: 0
            detach: false
            net: host
            user: root
            command:
              - '/bin/bash'
              - '-c'
              - str_replace:
                  template:
                    list_join:
                      - '; '
                      - - "cp -a /tmp/puppet-etc/* /etc/puppet; echo '{\"step\": 5}' > /etc/puppet/hieradata/docker.json"
                        - "FACTER_uuid=docker puppet apply --tags file_line,concat,augeas,TAGS --debug -v -e 'CONFIG'"
                  params:
                    TAGS: 'pacemaker::resource::bundle,pacemaker::property,pacemaker::constraint::location'
                    CONFIG: 'include ::tripleo::profile::base::pacemaker;include ::tripleo::profile::pacemaker::cinder::volume_bundle'
            image: *cinder_volume_image
            volumes:
              - /etc/hosts:/etc/hosts:ro
              - /etc/localtime:/etc/localtime:ro
              - /etc/puppet:/tmp/puppet-etc:ro
              - /usr/share/openstack-puppet/modules:/usr/share/openstack-puppet/modules:ro
              - /etc/corosync/corosync.conf:/etc/corosync/corosync.conf:ro
              - /dev/shm:/dev/shm:rw
      host_prep_tasks:
        - name: create persistent directories
          file:
            path: "{{ item }}"
            state: directory
          with_items:
            - /var/log/containers/cinder
            - /var/lib/cinder
        #FIXME: all of this should be conditional on the CinderEnableIscsiBackend value being set to true
        - name: cinder create LVM volume group dd
          command:
            list_join:
            - ''
            - - 'dd if=/dev/zero of=/var/lib/cinder/cinder-volumes bs=1 count=0 seek='
              - str_replace:
                  template: VALUE
                  params:
                    VALUE: {get_param: CinderLVMLoopDeviceSize}
              - 'M'
          args:
            creates: /var/lib/cinder/cinder-volumes
        - name: cinder create LVM volume group
          shell: |
            if ! losetup /dev/loop2; then
              losetup /dev/loop2 /var/lib/cinder/cinder-volumes
            fi
            if ! pvdisplay | grep cinder-volumes; then
              pvcreate /dev/loop2
            fi
            if ! vgdisplay | grep cinder-volumes; then
              vgcreate cinder-volumes /dev/loop2
            fi            
          args:
            executable: /bin/bash
            creates: /dev/loop2
      upgrade_tasks:
        - name: get bootstrap nodeid
          tags: common
          command: hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid
          register: bootstrap_node
        - name: set is_bootstrap_node fact
          tags: common
          set_fact: is_bootstrap_node={{bootstrap_node.stdout|lower == ansible_hostname|lower}}
        - name: Disable the openstack-cinder-volume cluster resource
          tags: step2
          pacemaker_resource:
            resource: openstack-cinder-volume
            state: disable
            wait_for_resource: true
          when: is_bootstrap_node
        - name: Delete the stopped openstack-cinder-volume cluster resource.
          tags: step2
          pacemaker_resource:
            resource: openstack-cinder-volume
            state: delete
            wait_for_resource: true
          when: is_bootstrap_node
        - name: Disable cinder_volume service from boot
          tags: step2
          service: name=openstack-cinder-volume enabled=no