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include README.md
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heat_template_version: pike

description: >
  OpenStack Libvirt Service

parameters:
  DockerNamespace:
    description: namespace
    default: 'tripleoupstream'
    type: string
  DockerLibvirtImage:
    description: image
    default: 'centos-binary-nova-libvirt:latest'
    type: string
  # we configure libvirt via the nova-compute container due to coupling
  # in the puppet modules
  DockerNovaConfigImage:
    description: image
    default: 'centos-binary-nova-compute:latest'
    type: string
  EnablePackageInstall:
    default: 'false'
    description: Set to true to enable package installation
    type: boolean
  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
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  EnableInternalTLS:
    type: boolean
    default: false
  UseTLSTransportForLiveMigration:
    type: boolean
    default: true
    description: If set to true and if EnableInternalTLS is enabled, it will
                 set the libvirt URI's transport to tls and configure the
                 relevant keys for libvirt.

conditions:

  use_tls_for_live_migration:
    and:
    - equals:
      - {get_param: EnableInternalTLS}
      - true
    - equals:
      - {get_param: UseTLSTransportForLiveMigration}
      - true

resources:

  ContainersCommon:
    type: ./containers-common.yaml

  NovaLibvirtBase:
    type: ../../puppet/services/nova-libvirt.yaml
    properties:
      EndpointMap: {get_param: EndpointMap}
      ServiceNetMap: {get_param: ServiceNetMap}
      DefaultPasswords: {get_param: DefaultPasswords}
      RoleName: {get_param: RoleName}
      RoleParameters: {get_param: RoleParameters}

outputs:
  role_data:
    description: Role data for the Libvirt service.
    value:
      service_name: {get_attr: [NovaLibvirtBase, role_data, service_name]}
      config_settings:
        map_merge:
          - get_attr: [NovaLibvirtBase, role_data, config_settings]
          # FIXME: we need to disable migration for now as the
          # hieradata is common for all services, and this means nova
          # and nova_placement puppet runs also try to configure
          # libvirt, and they fail. We can remove this override when
          # we have hieradata separation between containers.
          - tripleo::profile::base::nova::manage_migration: false
      step_config: &step_config
        get_attr: [NovaLibvirtBase, role_data, step_config]
      puppet_config:
        config_volume: nova_libvirt
        puppet_tags: nova_config
        step_config: *step_config
        config_image:
          list_join:
          - '/'
          - [ {get_param: DockerNamespace}, {get_param: DockerNovaConfigImage} ]
      kolla_config:
        /var/lib/kolla/config_files/nova_libvirt.json:
          command:
            if:
              - use_tls_for_live_migration
              - /usr/sbin/libvirtd --listen --config /etc/libvirt/libvirtd.conf
              - /usr/sbin/libvirtd --config /etc/libvirt/libvirtd.conf
          permissions:
            - path: /var/log/nova
              owner: nova:nova
              recurse: true
      docker_config:
        step_3:
          nova_libvirt:
            image:
              list_join:
              - '/'
              - [ {get_param: DockerNamespace}, {get_param: DockerLibvirtImage} ]
            net: host
            pid: host
            privileged: true
            restart: always
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                -
                  - /var/lib/kolla/config_files/nova_libvirt.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/nova_libvirt/etc/libvirt/:/etc/libvirt/:ro
                  - /lib/modules:/lib/modules:ro
                  - /dev:/dev
                  - /run:/run
                  - /sys/fs/cgroup:/sys/fs/cgroup
                  - /var/lib/nova:/var/lib/nova
                  # Needed to use host's virtlogd
                  - /var/run/libvirt:/var/run/libvirt
                  - /var/lib/libvirt:/var/lib/libvirt
                  - /etc/libvirt/qemu:/etc/libvirt/qemu
                  - /var/log/libvirt/qemu:/var/log/libvirt/qemu:ro
                  - /var/log/containers/nova:/var/log/nova
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
      host_prep_tasks:
        - name: create libvirt persistent data directories
          file:
            path: "{{ item }}"
            state: directory
          with_items:
            - /etc/libvirt/qemu
            - /var/lib/libvirt
            - /var/log/containers/nova
        - name: set enable_package_install fact
          set_fact:
            enable_package_install: {get_param: EnablePackageInstall}
        # We use virtlogd on host, so when using Deployed Server
        # feature, we need to ensure libvirt is installed.
        - name: install libvirt-daemon
          package:
            name: libvirt-daemon
            state: present
          when: enable_package_install
        - name: start virtlogd socket
          service:
            name: virtlogd.socket
            state: started
            enabled: yes
          when: enable_package_install
      upgrade_tasks:
        - name: Stop and disable libvirtd service
          tags: step2
          service: name=libvirtd state=stopped enabled=no