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path: root/puppet/services/nova-compute.yaml
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heat_template_version: pike

description: >
  OpenStack Nova Compute service configured with Puppet

parameters:
  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
  NovaRbdPoolName:
    default: vms
    type: string
  CephClientUserName:
    default: openstack
    type: string
  CephClientKey:
    description: The Ceph client key. Can be created with ceph-authtool --gen-print-key. Currently only used for external Ceph deployments to create the openstack user keyring.
    type: string
    hidden: true
  CephClusterFSID:
    type: string
    description: The Ceph cluster FSID. Must be a UUID.
  CinderEnableNfsBackend:
    default: false
    description: Whether to enable or not the NFS backend for Cinder
    type: boolean
  CinderEnableRbdBackend:
    default: false
    description: Whether to enable or not the Rbd backend for Cinder
    type: boolean
  NovaEnableRbdBackend:
    default: false
    description: Whether to enable or not the Rbd backend for Nova
    type: boolean
  NovaComputeLibvirtVifDriver:
    default: ''
    description: Libvirt VIF driver configuration for the network
    type: string
  NovaPCIPassthrough:
    description: >
      List of PCI Passthrough whitelist parameters.
      Example -
      NovaPCIPassthrough:
        - vendor_id: "8086"
          product_id: "154c"
          address: "0000:05:00.0"
          physical_network: "datacentre"
      For different formats, refer to the nova.conf documentation for
      pci_passthrough_whitelist configuration
    type: json
    default: ''
  NovaVcpuPinSet:
    description: >
      A list or range of physical CPU cores to reserve for virtual machine
      processes.
      Ex. NovaVcpuPinSet: ['4-12','^8'] will reserve cores from 4-12 excluding 8
    type: comma_delimited_list
    default: []
  NovaReservedHostMemory:
    description: >
      Reserved RAM for host processes.
    type: number
    default: 4096
    constraints:
      - range: { min: 512 }
  MonitoringSubscriptionNovaCompute:
    default: 'overcloud-nova-compute'
    type: string
  NovaComputeLoggingSource:
    type: json
    default:
      tag: openstack.nova.compute
      path: /var/log/nova/nova-compute.log
  UpgradeLevelNovaCompute:
    type: string
    description: Nova Compute upgrade level
    default: auto
  MigrationSshKey:
    type: json
    description: >
      SSH key for migration.
      Expects a dictionary with keys 'public_key' and 'private_key'.
      Values should be identical to SSH public/private key files.
    default: {}

resources:
  NovaBase:
    type: ./nova-base.yaml
    properties:
      ServiceNetMap: {get_param: ServiceNetMap}
      DefaultPasswords: {get_param: DefaultPasswords}
      EndpointMap: {get_param: EndpointMap}
      RoleName: {get_param: RoleName}
      RoleParameters: {get_param: RoleParameters}

  # Merging role-specific parameters (RoleParameters) with the default parameters.
  # RoleParameters will have the precedence over the default parameters.
  RoleParametersValue:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        map_replace:
          - map_replace:
            - nova::compute::vcpu_pin_set: NovaVcpuPinSet
              nova::compute::reserved_host_memory: NovaReservedHostMemory
            - values: {get_param: [RoleParameters]}
          - values:
              NovaVcpuPinSet: {get_param: NovaVcpuPinSet}
              NovaReservedHostMemory: {get_param: NovaReservedHostMemory}

outputs:
  role_data:
    description: Role data for the Nova Compute service.
    value:
      service_name: nova_compute
      monitoring_subscription: {get_param: MonitoringSubscriptionNovaCompute}
      logging_source: {get_param: NovaComputeLoggingSource}
      logging_groups:
        - nova
      config_settings:
        map_merge:
          - get_attr: [NovaBase, role_data, config_settings]
          - get_attr: [RoleParametersValue, value]
          - nova::compute::libvirt::manage_libvirt_services: false
            nova::compute::pci_passthrough:
              str_replace:
                template: "JSON_PARAM"
                params:
                  map_replace:
                    - map_replace:
                      - JSON_PARAM: NovaPCIPassthrough
                      - values: {get_param: [RoleParameters]}
                    - values:
                        NovaPCIPassthrough: {get_param: NovaPCIPassthrough}
            # we manage migration in nova common puppet profile
            nova::compute::libvirt::migration_support: false
            tripleo::profile::base::nova::manage_migration: true
            tripleo::profile::base::nova::migration_ssh_key: {get_param: MigrationSshKey}
            tripleo::profile::base::nova::migration_ssh_localaddrs:
              - "%{hiera('cold_migration_ssh_inbound_addr')}"
              - "%{hiera('live_migration_ssh_inbound_addr')}"
            live_migration_ssh_inbound_addr: {get_param: [ServiceNetMap, NovaLibvirtNetwork]}
            cold_migration_ssh_inbound_addr: {get_param: [ServiceNetMap, NovaColdMigrationNetwork]}
            tripleo::profile::base::nova::nova_compute_enabled: true
            nova::compute::rbd::libvirt_images_rbd_pool: {get_param: NovaRbdPoolName}
            nova::compute::rbd::libvirt_rbd_user: {get_param: CephClientUserName}
            tripleo::profile::base::nova::compute::cinder_nfs_backend: {get_param: CinderEnableNfsBackend}
            rbd_persistent_storage: {get_param: CinderEnableRbdBackend}
            nova::compute::rbd::libvirt_rbd_secret_key: {get_param: CephClientKey}
            nova::compute::rbd::libvirt_rbd_secret_uuid: {get_param: CephClusterFSID}
            nova::compute::instance_usage_audit: true
            nova::compute::instance_usage_audit_period: 'hour'
            nova::compute::rbd::ephemeral_storage: {get_param: NovaEnableRbdBackend}
            # TUNNELLED mode provides a security enhancement when using shared
            # storage but is not supported when not using shared storage.
            # See https://bugzilla.redhat.com/show_bug.cgi?id=1301986#c12
            # In future versions of QEMU (2.6, mostly), danpb's native
            # encryption work will obsolete the need to use TUNNELLED transport
            # mode.
            nova::migration::live_migration_tunnelled: {get_param: NovaEnableRbdBackend}
            nova::compute::neutron::libvirt_vif_driver: {get_param: NovaComputeLibvirtVifDriver}
            # NOTE: bind IP is found in Heat replacing the network name with the
            # local node IP for the given network; replacement examples
            # (eg. for internal_api):
            # internal_api -> IP
            # internal_api_uri -> [IP]
            # internal_api_subnet - > IP/CIDR
            nova::compute::vncserver_proxyclient_address: {get_param: [ServiceNetMap, NovaVncProxyNetwork]}
            nova::compute::vncproxy_host: {get_param: [EndpointMap, NovaPublic, host_nobrackets]}
            nova::vncproxy::common::vncproxy_protocol: {get_param: [EndpointMap, NovaVNCProxyPublic, protocol]}
            nova::vncproxy::common::vncproxy_host: {get_param: [EndpointMap, NovaVNCProxyPublic, host_nobrackets]}
            nova::vncproxy::common::vncproxy_port: {get_param: [EndpointMap, NovaVNCProxyPublic, port]}
      step_config: |
        # TODO(emilien): figure how to deal with libvirt profile.
        # We'll probably treat it like we do with Neutron plugins.
        # Until then, just include it in the default nova-compute role.
        include tripleo::profile::base::nova::compute::libvirt
      service_config_settings:
        collectd:
          tripleo.collectd.plugins.nova_compute:
            - virt
          collectd::plugins::virt::connection: "qemu:///system"
      upgrade_tasks:
        - name: Stop nova-compute service
          tags: step1
          service: name=openstack-nova-compute state=stopped
        # If not already set by puppet (e.g a pre-ocata version), set the
        # upgrade_level for compute to "auto"
        - name: Set compute upgrade level to auto
          tags: step3
          ini_file:
            str_replace:
              template: "dest=/etc/nova/nova.conf section=upgrade_levels option=compute value=LEVEL"
              params:
                LEVEL: {get_param: UpgradeLevelNovaCompute}
        - name: install openstack-nova-migration
          tags: step3
          yum: name=openstack-nova-migration state=latest
        - name: Start nova-compute service
          tags: step6
          service: name=openstack-nova-compute state=started