tripleo-heat-templates/docker/services/nova-compute.yaml

heat_template_version: rocky

description: >
  OpenStack containerized Nova Compute service  

parameters:
  DockerNovaComputeImage:
    description: image
    type: string
  DockerNovaLibvirtConfigImage:
    description: The container image to use for the nova_libvirt config_volume
    type: string
  DockerNovaComputeUlimit:
    default: ['nofile=1024']
    description: ulimit for Nova Compute Container
    type: comma_delimited_list
  NovaComputeLoggingSource:
    type: json
    default:
      tag: openstack.nova.compute
      path: /var/log/containers/nova/nova-compute.log
  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
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  DockerNovaMigrationSshdPort:
    default: 2022
    description: Port that dockerized nova migration target sshd service
                 binds to.
    type: number
  UpgradeLevelNovaCompute:
    type: string
    description: Nova Compute upgrade level
    default: ''
  UpgradeRemoveUnusedPackages:
    default: false
    description: Remove package if the service is being disabled during upgrade
    type: boolean
  CephClientUserName:
    default: openstack
    type: string
  CephClusterName:
    type: string
    default: ceph
    description: The Ceph cluster name.
    constraints:
    - allowed_pattern: "[a-zA-Z0-9]+"
      description: >
        The Ceph cluster name must be at least 1 character and contain only
        letters and numbers.        
  NovaComputeOptVolumes:
    default: []
    description: list of optional vo
    type: comma_delimited_list
  NovaComputeOptEnvVars:
    default: []
    description: list of optional en
    type: comma_delimited_list
  EnableInstanceHA:
    default: false
    description: Whether to enable an Instance Ha configurarion or not.
                 This setup requires the Compute role to have the
                 PacemakerRemote service added to it.
    type: boolean

resources:

  ContainersCommon:
    type: ./containers-common.yaml

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

  NovaComputeBase:
    type: ../../puppet/services/nova-compute.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}

  NovaLogging:
    type: OS::TripleO::Services::Logging::NovaCommon
    properties:
      DockerNovaImage: {get_param: DockerNovaComputeImage}
      NovaServiceName: 'compute'

conditions:
  enable_instance_ha: {equals: [{get_param: EnableInstanceHA}, true]}

outputs:
  role_data:
    description: Role data for the Nova Compute service.
    value:
      service_name: {get_attr: [NovaComputeBase, role_data, service_name]}
      cellv2_discovery: true
      config_settings:
        map_merge:
          - get_attr: [NovaComputeBase, role_data, config_settings]
          - get_attr: [NovaLogging, config_settings]
      logging_source: {get_attr: [NovaComputeBase, role_data, logging_source]}
      logging_groups: {get_attr: [NovaComputeBase, role_data, logging_groups]}
      service_config_settings:
        map_merge:
          - get_attr: [NovaComputeBase, role_data, service_config_settings]
          - fluentd:
              tripleo_fluentd_groups_nova_compute:
                - nova
              tripleo_fluentd_sources_nova_compute:
                - {get_param: NovaComputeLoggingSource}
      puppet_config:
        config_volume: nova_libvirt
        puppet_tags: nova_config,nova_paste_api_ini
        step_config:
          list_join:
            - "\n"
            - - {get_attr: [NovaComputeBase, role_data, step_config]}
              - {get_attr: [MySQLClient, role_data, step_config]}
        config_image: {get_param: DockerNovaLibvirtConfigImage}
      kolla_config:
        /var/lib/kolla/config_files/nova_compute.json:
          command:
            list_join:
            - ' '
            - - if:
                - enable_instance_ha
                - /var/lib/nova/instanceha/check-run-nova-compute
                - /usr/bin/nova-compute
              - get_attr: [NovaLogging, cmd_extra_args]
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
            - source: "/var/lib/kolla/config_files/src-iscsid/*"
              dest: "/etc/iscsi/"
              merge: true
              preserve_properties: true
            - source: "/var/lib/kolla/config_files/src-ceph/"
              dest: "/etc/ceph/"
              merge: true
              preserve_properties: true
          permissions:
            - path: /var/log/nova
              owner: nova:nova
              recurse: true
            - path: /var/lib/nova
              owner: nova:nova
              recurse: true
            - path:
                str_replace:
                  template: /etc/ceph/CLUSTER.client.USER.keyring
                  params:
                    CLUSTER: {get_param: CephClusterName}
                    USER: {get_param: CephClientUserName}
              owner: nova:nova
              perm: '0600'
      docker_config:
        step_4:
          nova_compute:
            image: &nova_compute_image {get_param: DockerNovaComputeImage}
            ulimit: {get_param: DockerNovaComputeUlimit}
            ipc: host
            net: host
            privileged: true
            user: nova
            restart: always
            healthcheck:
              test: /openstack/healthcheck
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                - {get_attr: [NovaLogging, volumes]}
                - {get_param: NovaComputeOptVolumes}
                -
                  - /var/lib/kolla/config_files/nova_compute.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/puppet-generated/nova_libvirt/:/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
                  - /lib/modules:/lib/modules:ro
                  - /run:/run
                  - /var/lib/nova:/var/lib/nova:shared
                  - /var/lib/libvirt:/var/lib/libvirt
                  - /sys/class/net:/sys/class/net
                  - /sys/bus/pci:/sys/bus/pci
            environment:
              list_concat:
                - {get_param: NovaComputeOptEnvVars}
                -
                  - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
      host_prep_tasks:
        list_concat:
        - {get_attr: [NovaLogging, host_prep_tasks]}
        - {get_attr: [NovaComputeBase, role_data, host_prep_tasks]}
        - - name: create persistent directories
            file:
              path: "{{ item }}"
              state: directory
            with_items:
              - /var/lib/nova
              - /var/lib/libvirt
          - name: ensure ceph configurations exist
            file:
              path: /etc/ceph
              state: directory
          - name: is Instance HA enabled
            set_fact:
              instance_ha_enabled: {get_param: EnableInstanceHA}
          - name: install Instance HA recovery script
            when: instance_ha_enabled|bool
            block:
            - name: prepare Instance HA script directory
              file:
                path: /var/lib/nova/instanceha
                state: directory
            - name: install Instance HA script that runs nova-compute
              copy:
                content: {get_file: ../../extraconfig/tasks/instanceha/check-run-nova-compute}
                dest: /var/lib/nova/instanceha/check-run-nova-compute
                mode: 0755
            - name: Get list of instance HA compute nodes
              command: hiera -c /etc/puppet/hiera.yaml compute_instanceha_short_node_names
              register: iha_nodes
            - name: If instance HA is enabled on the node activate the evacuation completed check
              file: path=/var/lib/nova/instanceha/enabled state=touch
              when: iha_nodes.stdout|lower | search('"'+ansible_hostname|lower+'"')
      upgrade_tasks:
        - name: Check if nova_compute is deployed
          command: systemctl is-enabled --quiet openstack-nova-compute
          tags: common
          ignore_errors: True
          register: nova_compute_enabled
        - name: Set compute upgrade level to auto
          when: step|int == 1
          ini_file:
            str_replace:
              template: "dest=/etc/nova/nova.conf section=upgrade_levels option=compute value=LEVEL"
              params:
                LEVEL: {get_param: UpgradeLevelNovaCompute}
        - name: "PreUpgrade step0,validation: Check service openstack-nova-compute is running"
          command: systemctl is-active --quiet openstack-nova-compute
          tags: validation
          when:
            - step|int == 0
            - nova_compute_enabled.rc == 0
        - name: Stop and disable nova-compute service
          when:
            - step|int == 2
            - nova_compute_enabled.rc == 0
          service: name=openstack-nova-compute state=stopped enabled=no
        - name: Set fact for removal of openstack-nova-compute package
          when: step|int == 2
          set_fact:
            remove_nova_compute_package: {get_param: UpgradeRemoveUnusedPackages}
        - name: Remove openstack-nova-compute package if operator requests it
          yum: name=openstack-nova-compute state=removed
          ignore_errors: True
          when:
            - step|int == 2
            - remove_nova_compute_package|bool
      fast_forward_upgrade_tasks:
        - name: Check if nova-compute is deployed
          command:  systemctl is-enabled --quiet openstack-nova-compute
          ignore_errors: True
          register: nova_compute_enabled_result
          when:
            - step|int == 0
            - release == 'ocata'
        - name: Set fact nova_compute_enabled
          set_fact:
            nova_compute_enabled: "{{ nova_compute_enabled_result.rc == 0 }}"
          when:
            - step|int == 0
            - release == 'ocata'
        - name: Stop and disable nova-compute service
          service: name=openstack-nova-compute state=stopped
          when:
            - step|int == 1
            - nova_compute_enabled|bool
            - release == 'ocata'