path: root/puppet/compute.yaml

heat_template_version: 2015-04-30

description: >
  OpenStack hypervisor node configured via Puppet.

parameters:
  AdminPassword:
    default: unset
    description: The password for the keystone admin account, used for monitoring, querying neutron etc.
    type: string
    hidden: true
  CeilometerComputeAgent:
    description: Indicates whether the Compute agent is present and expects nova-compute to be configured accordingly
    type: string
    default: ''
    constraints:
    - allowed_values: ['', Present]
  CeilometerMeteringSecret:
    default: unset
    description: Secret shared by the ceilometer services.
    type: string
    hidden: true
  CeilometerPassword:
    default: unset
    description: The password for the ceilometer service account.
    type: string
    hidden: true
  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
  Debug:
    default: ''
    description: Set to True to enable debugging on all services.
    type: string
  ExtraConfig:
    default: {}
    description: |
      Additional hiera configuration to inject into the cluster. Note
      that NovaComputeExtraConfig takes precedence over ExtraConfig.
    type: json
  Flavor:
    description: Flavor for the nova compute node
    type: string
    constraints:
      - custom_constraint: nova.flavor
  GlanceHost:
    type: string
    default: ''  # Has to be here because of the ignored empty value bug
  Image:
    type: string
    default: overcloud-compute
    constraints:
      - custom_constraint: glance.image
  ImageUpdatePolicy:
    default: 'REBUILD_PRESERVE_EPHEMERAL'
    description: What policy to use when reconstructing instances. REBUILD for rebuilds, REBUILD_PRESERVE_EPHEMERAL to preserve /mnt.
    type: string
  KeyName:
    description: Name of an existing EC2 KeyPair to enable SSH access to the instances
    type: string
    default: default
    constraints:
      - custom_constraint: nova.keypair
  KeystoneAdminApiVirtualIP:
    type: string
    default: ''
  KeystonePublicApiVirtualIP:
     type: string
     default: ''
  NeutronBridgeMappings:
    description: >
      The OVS logical->physical bridge mappings to use. See the Neutron
      documentation for details. Defaults to mapping br-ex - the external
      bridge on hosts - to a physical name 'datacentre' which can be used
      to create provider networks (and we use this for the default floating
      network) - if changing this either use different post-install network
      scripts or be sure to keep 'datacentre' as a mapping network name.
    type: string
    default: "datacentre:br-ex"
  NeutronEnableTunnelling:
    type: string
    default: "True"
  NeutronEnableL2Pop:
    type: string
    description: >
        Enable/disable the L2 population feature in the Neutron agents.
    default: "False"
  NeutronFlatNetworks:
    type: string
    default: 'datacentre'
    description: >
      If set, flat networks to configure in neutron plugins.
  NeutronHost:
    type: string
    default: ''  # Has to be here because of the ignored empty value bug
  NeutronNetworkType:
    type: string
    description: The tenant network type for Neutron, either gre or vxlan.
    default: 'vxlan'
  NeutronNetworkVLANRanges:
    default: 'datacentre'
    description: >
      The Neutron ML2 and OpenVSwitch vlan mapping range to support. See the
      Neutron documentation for permitted values. Defaults to permitting any
      VLAN on the 'datacentre' physical network (See NeutronBridgeMappings).
    type: comma_delimited_list
  NeutronPassword:
    default: unset
    description: The password for the neutron service account, used by neutron agents.
    type: string
    hidden: true
  NeutronPhysicalBridge:
    default: 'br-ex'
    description: An OVS bridge to create for accessing external networks.
    type: string
  NeutronPublicInterface:
    default: nic1
    description: A port to add to the NeutronPhysicalBridge.
    type: string
  NeutronTunnelTypes:
    type: string
    description: |
        The tunnel types for the Neutron tenant network. To specify multiple
        values, use a comma separated string, like so: 'gre,vxlan'
    default: 'vxlan'
  NeutronTunnelIdRanges:
    description: |
        Comma-separated list of <tun_min>:<tun_max> tuples enumerating ranges
        of GRE tunnel IDs that are available for tenant network allocation
    default: ["1:1000", ]
    type: comma_delimited_list
  NeutronVniRanges:
    description: |
        Comma-separated list of <vni_min>:<vni_max> tuples enumerating ranges
        of VXLAN VNI IDs that are available for tenant network allocation
    default: ["1:1000", ]
    type: comma_delimited_list
  NeutronPublicInterfaceRawDevice:
    default: ''
    type: string
  NeutronDVR:
    default: 'False'
    type: string
  NeutronMetadataProxySharedSecret:
    default: 'unset'
    description: Shared secret to prevent spoofing
    type: string
    hidden: true
  NeutronCorePlugin:
    default: 'ml2'
    description: |
        The core plugin for Neutron. The value should be the entrypoint to be loaded
        from neutron.core_plugins namespace.
    type: string
  NeutronServicePlugins:
    default: "router"
    description: |
        Comma-separated list of service plugin entrypoints to be loaded from the
        neutron.service_plugins namespace.
    type: comma_delimited_list
  NeutronTypeDrivers:
    default: "vxlan,vlan,flat,gre"
    description: |
        Comma-separated list of network type driver entrypoints to be loaded.
    type: comma_delimited_list
  NeutronMechanismDrivers:
    default: 'openvswitch'
    description: |
        The mechanism drivers for the Neutron tenant network. To specify multiple
        values, use a comma separated string, like so: 'openvswitch,l2_population'
    type: string
  # Not relevant for Computes, should be removed
  NeutronAllowL3AgentFailover:
    default: 'True'
    description: Allow automatic l3-agent failover
    type: string
  # Not relevant for Computes, should be removed
  NeutronL3HA:
    default: 'False'
    description: Whether to enable l3-agent HA
    type: string
  NeutronAgentMode:
    default: 'dvr_snat'
    description: Agent mode for the neutron-l3-agent on the controller hosts
    type: string
  NovaApiHost:
    type: string
    default: ''  # Has to be here because of the ignored empty value bug
  NovaComputeDriver:
    type: string
    default: libvirt.LibvirtDriver
  NovaComputeExtraConfig:
    default: {}
    description: |
      NovaCompute specific configuration to inject into the cluster. Same
      structure as ExtraConfig.
    type: json
  NovaComputeLibvirtType:
    type: string
    default: ''
  NovaComputeLibvirtVifDriver:
    default: ''
    description: Libvirt VIF driver configuration for the network
    type: string
  NovaEnableRbdBackend:
    default: false
    description: Whether to enable or not the Rbd backend for Nova
    type: boolean
  NovaPassword:
    default: unset
    description: The password for the nova service account, used by nova-api.
    type: string
    hidden: true
  NovaPublicIP:
    type: string
    default: ''  # Has to be here because of the ignored empty value bug
  NovaOVSBridge:
    default: 'br-int'
    description: Name of integration bridge used by Open vSwitch
    type: string
  NovaSecurityGroupAPI:
    default: 'neutron'
    description: The full class name of the security API class
    type: string
  NtpServer:
    default: ''
    description: Comma-separated list of ntp servers
    type: comma_delimited_list
  RabbitHost:
    type: string
    default: ''  # Has to be here because of the ignored empty value bug
  RabbitPassword:
    default: guest
    description: The password for RabbitMQ
    type: string
    hidden: true
  RabbitUserName:
    default: guest
    description: The username for RabbitMQ
    type: string
  RabbitClientUseSSL:
    default: false
    description: >
        Rabbit client subscriber parameter to specify
        an SSL connection to the RabbitMQ host.
    type: string
  RabbitClientPort:
    default: 5672
    description: Set rabbit subscriber port, change this if using SSL
    type: number
  SnmpdReadonlyUserName:
    default: ro_snmp_user
    description: The user name for SNMPd with readonly rights running on all Overcloud nodes
    type: string
  SnmpdReadonlyUserPassword:
    default: unset
    description: The user password for SNMPd with readonly rights running on all Overcloud nodes
    type: string
    hidden: true
  EnablePackageInstall:
    default: 'false'
    description: Set to true to enable package installation via Puppet
    type: boolean
  ServiceNetMap:
    default: {}
    description: Mapping of service_name -> network name. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  UpdateIdentifier:
    default: ''
    type: string
    description: >
      Setting to a previously unused value during stack-update will trigger
      package update on all nodes
  Hostname:
    type: string
    default: '' # Defaults to Heat created hostname
  NetworkDeploymentActions:
    type: comma_delimited_list
    description: >
      Heat action when to apply network configuration changes
    default: ['CREATE']
  CloudDomain:
    default: ''
    type: string
    description: >
      The DNS domain used for the hosts. This should match the dhcp_domain
      configured in the Undercloud neutron. Defaults to localdomain.
  ServerMetadata:
    default: {}
    description: >
      Extra properties or metadata passed to Nova for the created nodes in
      the overcloud. It's accessible via the Nova metadata API.
    type: json
  SchedulerHints:
    type: json
    description: Optional scheduler hints to pass to nova
    default: {}

resources:

  NovaCompute:
    type: OS::Nova::Server
    properties:
      image:
        {get_param: Image}
      image_update_policy:
        get_param: ImageUpdatePolicy
      flavor: {get_param: Flavor}
      key_name: {get_param: KeyName}
      networks:
        - network: ctlplane
      user_data_format: SOFTWARE_CONFIG
      user_data: {get_resource: UserData}
      name: {get_param: Hostname}
      metadata: {get_param: ServerMetadata}
      scheduler_hints: {get_param: SchedulerHints}

  # Combine the NodeAdminUserData and NodeUserData mime archives
  UserData:
    type: OS::Heat::MultipartMime
    properties:
      parts:
      - config: {get_resource: NodeAdminUserData}
        type: multipart
      - config: {get_resource: NodeUserData}
        type: multipart

  # Creates the "heat-admin" user if configured via the environment
  # Should return a OS::Heat::MultipartMime reference via OS::stack_id
  NodeAdminUserData:
    type: OS::TripleO::NodeAdminUserData

  # For optional operator additional userdata
  # Should return a OS::Heat::MultipartMime reference via OS::stack_id
  NodeUserData:
    type: OS::TripleO::NodeUserData

  InternalApiPort:
    type: OS::TripleO::Compute::Ports::InternalApiPort
    properties:
      ControlPlaneIP: {get_attr: [NovaCompute, networks, ctlplane, 0]}

  StoragePort:
    type: OS::TripleO::Compute::Ports::StoragePort
    properties:
      ControlPlaneIP: {get_attr: [NovaCompute, networks, ctlplane, 0]}

  TenantPort:
    type: OS::TripleO::Compute::Ports::TenantPort
    properties:
      ControlPlaneIP: {get_attr: [NovaCompute, networks, ctlplane, 0]}

  NetIpMap:
    type: OS::TripleO::Network::Ports::NetIpMap
    properties:
      ControlPlaneIp: {get_attr: [NovaCompute, networks, ctlplane, 0]}
      InternalApiIp: {get_attr: [InternalApiPort, ip_address]}
      StorageIp: {get_attr: [StoragePort, ip_address]}
      TenantIp: {get_attr: [TenantPort, ip_address]}

  NetworkConfig:
    type: OS::TripleO::Compute::Net::SoftwareConfig
    properties:
      ControlPlaneIp: {get_attr: [NovaCompute, networks, ctlplane, 0]}
      InternalApiIpSubnet: {get_attr: [InternalApiPort, ip_subnet]}
      StorageIpSubnet: {get_attr: [StoragePort, ip_subnet]}
      TenantIpSubnet: {get_attr: [TenantPort, ip_subnet]}

  NetworkDeployment:
    type: OS::TripleO::SoftwareDeployment
    properties:
      config: {get_resource: NetworkConfig}
      server: {get_resource: NovaCompute}
      actions: {get_param: NetworkDeploymentActions}
      input_values:
        bridge_name: {get_param: NeutronPhysicalBridge}
        interface_name: {get_param: NeutronPublicInterface}

  NovaComputeConfig:
    type: OS::Heat::StructuredConfig
    properties:
      group: os-apply-config
      config:
        hiera:
          hierarchy:
            - '"%{::uuid}"'
            - heat_config_%{::deploy_config_name}
            - compute_extraconfig
            - extraconfig
            - compute
            - ceph_cluster # provided by CephClusterConfig
            - ceph
            - all_nodes # provided by allNodesConfig
            - '"%{::osfamily}"'
            - common
            - cisco_n1kv_data  # Optionally provided by ComputeExtraConfigPre
            - nova_nuage_data  # Optionally provided by ComputeExtraConfigPre
          datafiles:
            compute_extraconfig:
              mapped_data: {get_param: NovaComputeExtraConfig}
            extraconfig:
              mapped_data: {get_param: ExtraConfig}
            common:
              raw_data: {get_file: hieradata/common.yaml}
            ceph:
              raw_data: {get_file: hieradata/ceph.yaml}
            compute:
              raw_data: {get_file: hieradata/compute.yaml}
              mapped_data:
                cinder_enable_nfs_backend: {get_input: cinder_enable_nfs_backend}
                nova::debug: {get_input: debug}
                nova::rabbit_userid: {get_input: rabbit_username}
                nova::rabbit_password: {get_input: rabbit_password}
                nova::rabbit_use_ssl: {get_input: rabbit_client_use_ssl}
                nova::rabbit_port: {get_input: rabbit_client_port}
                nova_compute_driver: {get_input: nova_compute_driver}
                nova::compute::libvirt::libvirt_virt_type: {get_input: nova_compute_libvirt_type}
                nova::compute::neutron::libvirt_vif_driver: {get_input: nova_compute_libvirt_vif_driver}
                nova_api_host: {get_input: nova_api_host}
                nova::compute::vncproxy_host: {get_input: nova_public_ip}
                nova::compute::rbd::ephemeral_storage: {get_input: nova_enable_rbd_backend}
                rbd_persistent_storage: {get_input: cinder_enable_rbd_backend}
                nova_password: {get_input: nova_password}
                nova::compute::vncserver_proxyclient_address: {get_input: nova_vnc_proxyclient_address}
                nova::network::neutron::neutron_ovs_bridge: {get_input: nova_ovs_bridge}
                nova::network::neutron::security_group_api: {get_input: nova_security_group_api}
                ceilometer::debug: {get_input: debug}
                ceilometer::rabbit_userid: {get_input: rabbit_username}
                ceilometer::rabbit_password: {get_input: rabbit_password}
                ceilometer::rabbit_use_ssl: {get_input: rabbit_client_use_ssl}
                ceilometer::rabbit_port: {get_input: rabbit_client_port}
                ceilometer::metering_secret: {get_input: ceilometer_metering_secret}
                ceilometer::agent::auth::auth_password: {get_input: ceilometer_password}
                ceilometer::agent::auth::auth_url: {get_input: ceilometer_agent_auth_url}
                ceilometer_compute_agent: {get_input: ceilometer_compute_agent}
                snmpd_readonly_user_name: {get_input: snmpd_readonly_user_name}
                snmpd_readonly_user_password: {get_input: snmpd_readonly_user_password}
                nova::glance_api_servers: {get_input: glance_api_servers}
                neutron::debug: {get_input: debug}
                neutron::rabbit_password: {get_input: rabbit_password}
                neutron::rabbit_user: {get_input: rabbit_username}
                neutron::rabbit_use_ssl: {get_input: rabbit_client_use_ssl}
                neutron::rabbit_port: {get_input: rabbit_client_port}
                neutron_flat_networks: {get_input: neutron_flat_networks}
                neutron_host: {get_input: neutron_host}
                neutron::agents::ml2::ovs::local_ip: {get_input: neutron_local_ip}

                neutron_tenant_network_type: {get_input: neutron_tenant_network_type}
                neutron_tunnel_types: {get_input: neutron_tunnel_types}
                neutron::plugins::ml2::network_vlan_ranges: {get_input: neutron_network_vlan_ranges}
                neutron::plugins::ml2::tunnel_id_ranges: {get_input: neutron_tunnel_id_ranges}
                neutron::plugins::ml2::vni_ranges: {get_input: neutron_vni_ranges}
                neutron_bridge_mappings: {get_input: neutron_bridge_mappings}
                neutron::agents::ml2::ovs::enable_tunneling: {get_input: neutron_enable_tunneling}
                neutron::agents::ml2::ovs::l2_population: {get_input: neutron_enable_l2pop}
                neutron_physical_bridge: {get_input: neutron_physical_bridge}
                neutron_public_interface: {get_input: neutron_public_interface}
                nova::network::neutron::neutron_admin_password: {get_input: neutron_password}
                nova::network::neutron::neutron_url: {get_input: neutron_internal_url}
                nova::network::neutron::neutron_admin_auth_url: {get_input: neutron_admin_auth_url}
                neutron_router_distributed: {get_input: neutron_router_distributed}
                neutron_agent_mode: {get_input: neutron_agent_mode}
                neutron_metadata_proxy_shared_secret: {get_input: neutron_metadata_proxy_shared_secret}
                neutron::core_plugin: {get_input: neutron_core_plugin}
                neutron::service_plugins: {get_input: neutron_service_plugins}
                neutron::plugins::ml2::type_drivers: {get_input: neutron_type_drivers}
                neutron_mechanism_drivers: {get_input: neutron_mechanism_drivers}
                neutron_public_interface_raw_device: {get_input: neutron_public_interface_raw_device}
                keystone_public_api_virtual_ip: {get_input: keystone_vip}
                admin_password: {get_input: admin_password}
                ntp::servers: {get_input: ntp_servers}
                tripleo::packages::enable_install: {get_input: enable_package_install}
                tripleo::packages::enable_upgrade: {get_input: enable_package_upgrade}

  NovaComputeDeployment:
    type: OS::TripleO::SoftwareDeployment
    depends_on: NetworkDeployment
    properties:
      config: {get_resource: NovaComputeConfig}
      server: {get_resource: NovaCompute}
      input_values:
        cinder_enable_nfs_backend: {get_param: CinderEnableNfsBackend}
        debug: {get_param: Debug}
        nova_compute_driver: {get_param: NovaComputeDriver}
        nova_compute_libvirt_type: {get_param: NovaComputeLibvirtType}
        nova_compute_libvirt_vif_driver: {get_param: NovaComputeLibvirtVifDriver}
        nova_public_ip: {get_param: NovaPublicIP}
        nova_api_host: {get_param: NovaApiHost}
        nova_password: {get_param: NovaPassword}
        nova_enable_rbd_backend: {get_param: NovaEnableRbdBackend}
        cinder_enable_rbd_backend: {get_param: CinderEnableRbdBackend}
        nova_vnc_proxyclient_address: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, NovaVncProxyNetwork]}]}
        nova_ovs_bridge: {get_param: NovaOVSBridge}
        nova_security_group_api: {get_param: NovaSecurityGroupAPI}
        ceilometer_metering_secret: {get_param: CeilometerMeteringSecret}
        ceilometer_password: {get_param: CeilometerPassword}
        ceilometer_compute_agent: {get_param: CeilometerComputeAgent}
        ceilometer_agent_auth_url: {get_param: [EndpointMap, KeystoneInternal, uri]}
        snmpd_readonly_user_name: {get_param: SnmpdReadonlyUserName}
        snmpd_readonly_user_password: {get_param: SnmpdReadonlyUserPassword}
        glance_api_servers: {get_param: [EndpointMap, GlanceInternal, uri]}
        neutron_flat_networks: {get_param: NeutronFlatNetworks}
        neutron_host: {get_param: NeutronHost}
        neutron_local_ip: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, NeutronTenantNetwork]}]}
        neutron_tenant_network_type: {get_param: NeutronNetworkType}
        neutron_tunnel_types: {get_param: NeutronTunnelTypes}
        neutron_tunnel_id_ranges:
          str_replace:
            template: "['RANGES']"
            params:
              RANGES:
                list_join:
                - "','"
                - {get_param: NeutronTunnelIdRanges}
        neutron_vni_ranges:
          str_replace:
            template: "['RANGES']"
            params:
              RANGES:
                list_join:
                - "','"
                - {get_param: NeutronVniRanges}
        neutron_network_vlan_ranges:
          str_replace:
            template: "['RANGES']"
            params:
              RANGES:
                list_join:
                - "','"
                - {get_param: NeutronNetworkVLANRanges}
        neutron_bridge_mappings: {get_param: NeutronBridgeMappings}
        neutron_enable_tunneling: {get_param: NeutronEnableTunnelling}
        neutron_enable_l2pop: {get_param: NeutronEnableL2Pop}
        neutron_physical_bridge: {get_param: NeutronPhysicalBridge}
        neutron_public_interface: {get_param: NeutronPublicInterface}
        neutron_password: {get_param: NeutronPassword}
        neutron_agent_mode: {get_param: NeutronAgentMode}
        neutron_router_distributed: {get_param: NeutronDVR}
        neutron_metadata_proxy_shared_secret: {get_param: NeutronMetadataProxySharedSecret}
        neutron_core_plugin: {get_param: NeutronCorePlugin}
        neutron_service_plugins:
          str_replace:
            template: "['PLUGINS']"
            params:
              PLUGINS:
                list_join:
                - "','"
                - {get_param: NeutronServicePlugins}
        neutron_type_drivers:
          str_replace:
            template: "['DRIVERS']"
            params:
              DRIVERS:
                list_join:
                - "','"
                - {get_param: NeutronTypeDrivers}
        neutron_mechanism_drivers: {get_param: NeutronMechanismDrivers}
        neutron_public_interface_raw_device: {get_param: NeutronPublicInterfaceRawDevice}
        neutron_internal_url: {get_param: [EndpointMap, NeutronInternal, uri]}
        neutron_admin_auth_url: {get_param: [EndpointMap, KeystoneAdmin, uri]}
        keystone_vip: {get_param: KeystonePublicApiVirtualIP}
        admin_password: {get_param: AdminPassword}
        rabbit_username: {get_param: RabbitUserName}
        rabbit_password: {get_param: RabbitPassword}
        rabbit_client_use_ssl: {get_param: RabbitClientUseSSL}
        rabbit_client_port: {get_param: RabbitClientPort}
        ntp_servers: {get_param: NtpServer}
        enable_package_install: {get_param: EnablePackageInstall}
        enable_package_upgrade: {get_attr: [UpdateDeployment, update_managed_packages]}

  # Resource for site-specific injection of root certificate
  NodeTLSCAData:
    depends_on: NovaComputeDeployment
    type: OS::TripleO::NodeTLSCAData
    properties:
      server: {get_resource: NovaCompute}

  # Hook for site-specific additional pre-deployment config, e.g extra hieradata
  ComputeExtraConfigPre:
    depends_on: NovaComputeDeployment
    type: OS::TripleO::ComputeExtraConfigPre
    properties:
        server: {get_resource: NovaCompute}

  # Hook for site-specific additional pre-deployment config,
  # applying to all nodes, e.g node registration/unregistration
  NodeExtraConfig:
    depends_on: [ComputeExtraConfigPre, NodeTLSCAData]
    type: OS::TripleO::NodeExtraConfig
    properties:
        server: {get_resource: NovaCompute}

  UpdateConfig:
    type: OS::TripleO::Tasks::PackageUpdate

  UpdateDeployment:
    type: OS::Heat::SoftwareDeployment
    properties:
      config: {get_resource: UpdateConfig}
      server: {get_resource: NovaCompute}
      input_values:
        update_identifier:
          get_param: UpdateIdentifier

outputs:
  ip_address:
    description: IP address of the server in the ctlplane network
    value: {get_attr: [NovaCompute, networks, ctlplane, 0]}
  internal_api_ip_address:
    description: IP address of the server in the internal_api network
    value: {get_attr: [InternalApiPort, ip_address]}
  storage_ip_address:
    description: IP address of the server in the storage network
    value: {get_attr: [StoragePort, ip_address]}
  tenant_ip_address:
    description: IP address of the server in the tenant network
    value: {get_attr: [TenantPort, ip_address]}
  hostname:
    description: Hostname of the server
    value: {get_attr: [NovaCompute, name]}
  hosts_entry:
    description: >
      Server's IP address and hostname in the /etc/hosts format
    value:
      str_replace:
        template: "IP HOST.DOMAIN HOST"
        params:
          IP: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, ComputeHostnameResolveNetwork]}]}
          DOMAIN: {get_param: CloudDomain}
          HOST: {get_attr: [NovaCompute, name]}
  nova_server_resource:
    description: Heat resource handle for the Nova compute server
    value:
      {get_resource: NovaCompute}
  config_identifier:
    description: identifier which changes if the node configuration may need re-applying
    value:
      list_join:
      - ','
      - - {get_attr: [NovaComputeDeployment, deploy_stdout]}
        - {get_attr: [NodeTLSCAData, deploy_stdout]}
        - {get_attr: [ComputeExtraConfigPre, deploy_stdout]}
        - {get_param: UpdateIdentifier}