tripleo-heat-templates/docker/services/cinder-common.yaml

heat_template_version: queens

description: >
  Provides the list of Docker volumes and environment to be used by the
  CinderVolume and CinderBackup services. The same list is used for
  HA and non-HA deployments.  

parameters:
  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
  CinderVolumeOptVolumes:
    default: []
    description: list of optional volumes to be mounted
    type: comma_delimited_list
  CinderVolumeOptEnvVars:
    default: []
    description: list of optional environment variables
    type: comma_delimited_list
  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:

  ContainersCommon:
    type: ./containers-common.yaml

outputs:
  cinder_volume_host_prep_tasks:
    description: Host prep tasks for the cinder-volume service (HA or non-HA)
    value:
      - name: create persistent directories
        file:
          path: "{{ item.path }}"
          state: directory
          setype: "{{ item.setype }}"
        with_items:
          - { 'path': /var/log/containers/cinder, 'setype': svirt_sandbox_file_t }
          - { 'path': /var/lib/cinder, 'setype': svirt_sandbox_file_t }
          - { 'path': /var/log/cinder, 'setype': svirt_sandbox_file_t }
      - name: cinder logs readme
        copy:
          dest: /var/log/cinder/readme.txt
          content: |
            Log files from cinder containers can be found under
            /var/log/containers/cinder and /var/log/containers/httpd/cinder-api.            
        ignore_errors: true
      - name: ensure ceph configurations exist
        file:
          path: /etc/ceph
          state: directory
      - name: cinder_enable_iscsi_backend fact
        set_fact:
          cinder_enable_iscsi_backend: {get_param: CinderEnableIscsiBackend}
      - when: cinder_enable_iscsi_backend
        block:
          - 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
          - name: cinder create service to run losetup for LVM on startup
            copy:
              dest: /etc/systemd/system/cinder-lvm-losetup.service
              content: |
                [Unit]
                Description=Cinder LVM losetup
                After=syslog.target

                [Service]
                Type=oneshot
                ExecStart=/bin/bash -c '/sbin/losetup /dev/loop2 || /sbin/losetup /dev/loop2 /var/lib/cinder/cinder-volumes'
                ExecStop=/bin/bash -c '/sbin/losetup -d /dev/loop2'
                RemainAfterExit=yes

                [Install]
                WantedBy=multi-user.target                
          - name: cinder enable the LVM losetup service
            systemd:
              name: cinder-lvm-losetup
              enabled: yes
              daemon_reload: yes

  cinder_volume_volumes:
    description: Volumes for the cinder-volume container (HA or non-HA)
    value:
      list_concat:
        - {get_attr: [ContainersCommon, volumes]}
        - {get_param: CinderVolumeOptVolumes}
        -
          - /var/lib/kolla/config_files/cinder_volume.json:/var/lib/kolla/config_files/config.json:ro
          - /var/lib/config-data/puppet-generated/cinder/:/var/lib/kolla/config_files/src:ro
          - /etc/iscsi:/var/lib/kolla/config_files/src-iscsid:ro
          - /etc/ceph:/var/lib/kolla/config_files/src-ceph:ro
          - /lib/modules:/lib/modules:ro
          - /dev/:/dev/
          - /run/:/run/
          - /sys:/sys
          - /var/lib/cinder:/var/lib/cinder
          - /var/lib/iscsi:/var/lib/iscsi
          - /var/log/containers/cinder:/var/log/cinder

  cinder_volume_environment:
    description: Docker environment for the cinder-volume container (HA or non-HA)
    value:
      list_concat:
        - {get_param: CinderVolumeOptEnvVars}
        -
          - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS

  cinder_backup_volumes:
    description: Volumes for the cinder-backup container (HA or non-HA)
    value:
      list_concat:
        - {get_attr: [ContainersCommon, volumes]}
        -
          - /var/lib/kolla/config_files/cinder_backup.json:/var/lib/kolla/config_files/config.json:ro
          - /var/lib/config-data/puppet-generated/cinder/:/var/lib/kolla/config_files/src:ro
          - /etc/iscsi:/var/lib/kolla/config_files/src-iscsid:ro
          - /etc/ceph:/var/lib/kolla/config_files/src-ceph:ro
          - /dev/:/dev/
          - /run/:/run/
          - /sys:/sys
          - /lib/modules:/lib/modules:ro
          - /var/lib/cinder:/var/lib/cinder
          - /var/lib/iscsi:/var/lib/iscsi
          - /var/log/containers/cinder:/var/log/cinder

  cinder_backup_environment:
    description: Docker environment for the cinder-backup container (HA or non-HA)
    value:
      - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS