HeatTemplateFormatVersion: '2012-12-12'
Description: 'Nova Compute'
Parameters:
  AdminPassword:
    Default: unset
    Description: The password for the keystone admin account, used for monitoring, querying neutron etc.
    Type: String
    NoEcho: true
  KeyName: 
    Description: Name of an existing EC2 KeyPair to enable SSH access to the instances
    Type: String
    Default: default
  OvercloudComputeFlavor:
    Description: Use this flavor
    Type: String
    Default: baremetal
  ImageUpdatePolicy:
    Default: 'REPLACE'
    Description: What policy to use when reconstructing instances. REBUILD for rebuilds, REBUILD_PRESERVE_EPHEMERAL to preserve /mnt.
    Type: String
  NovaImage:
    Type: String
    Default: overcloud-compute
  KeystoneHost:
    Type: String
  NeutronFlatNetworks:
    Type: String
    Default: ''
    Description: If set, flat networks to configure in neutron plugins.
  NeutronHost:
    Type: String
  NeutronPhysicalBridge:
    Default: ''
    Description: An OVS bridge to create for accessing external networks.
    Type: String
  NeutronPublicInterface:
    Default: ''
    Description: A port to add to the NeutronPhysicalBridge.
    Type: String
  RabbitHost:
    Type: String
  RabbitUserName:
    Type: String
  RabbitPassword:
    Type: String
    NoEcho: true
  CeilometerComputeAgent:
    Description: Indicates whether the Compute agent is present and expects nova-compute to be configured accordingly
    Type: String
    Default: ''
    AllowedValues: ['', Present]
  CeilometerMeteringSecret:
    Default: unset
    Description: Secret shared by the ceilometer services.
    Type: String
    NoEcho: true
  CeilometerPassword:
    Default: unset
    Description: The password for the ceilometer service account.
    Type: String
    NoEcho: true
  NovaComputeDriver:
    Type: String
    Default: libvirt.LibvirtDriver
  NovaComputeLibvirtType:
    Type: String
    Default: ''
  NovaApiHost:
    Type: String
  NovaPassword:
    Default: unset
    Description: The password for the nova service account, used by nova-api.
    Type: String
    NoEcho: true
  GlanceHost:
    Type: String
  CeilometerDSN:
    Type: String
  NovaDSN:
    Type: String
  NeutronDSN:
    Type: String
  NeutronBridgeMappings:
    Type: String
  NeutronNetworkVLANRanges:
    Type: String
  NeutronNetworkType:
    Type: String
  NeutronEnableTunnelling:
    Type: String
  StaticHosts:
    Default: ''
    Description: Static content to append to /etc/hosts
    Type: String
Resources:
  ComputeAccessPolicy:
    Type: OS::Heat::AccessPolicy
    Properties:
      AllowedResources: [ NovaCompute0 ]
  ComputeUser:
    Type: AWS::IAM::User
    Properties:
      Policies: [ { Ref: ComputeAccessPolicy } ]
  NovaCompute0Key:
    Type: AWS::IAM::AccessKey
    Properties:
      UserName:
        Ref: ComputeUser
  NovaCompute0CompletionCondition:
    Type: AWS::CloudFormation::WaitCondition
    DependsOn: notCompute0
    Properties:
      Handle: {Ref: NovaCompute0CompletionHandle}
      Count: '1'
      Timeout: '1800'
  NovaCompute0CompletionHandle:
    Type: AWS::CloudFormation::WaitConditionHandle
  NovaCompute0:
    Type: OS::Nova::Server
    Properties:
      image:
        {Ref: NovaImage}
      image_update_policy:
        Ref: ImageUpdatePolicy
      flavor: {Ref: OvercloudComputeFlavor}
      key_name: {Ref: KeyName}
    Metadata:
      os-collect-config:
        cfn:
          access_key_id:
            Ref: NovaCompute0Key
          secret_access_key:
            Fn::GetAtt: [ NovaCompute0Key, SecretAccessKey ]
          stack_name: {Ref: 'AWS::StackName'}
          path: NovaCompute0Config.Metadata
      OpenStack::ImageBuilder::Elements: [ nova-compute ]
  NovaCompute0Config:
    Type: AWS::AutoScaling::LaunchConfiguration
    Properties:
      InstanceType: '0'
      ImageId: '0'
    Metadata:
      completion-handle:
        Ref: NovaCompute0CompletionHandle
      os-collect-config:
        cfn:
          access_key_id:
            Ref: NovaCompute0Key
          secret_access_key:
            Fn::GetAtt: [ NovaCompute0Key, SecretAccessKey ]
          stack_name: {Ref: 'AWS::StackName'}
          path: NovaCompute0Config.Metadata
      nova:
        compute_driver: {Ref: NovaComputeDriver}
        compute_libvirt_type: {Ref: NovaComputeLibvirtType}
        db: {Ref: NovaDSN}
        host: {Ref: NovaApiHost}
        service-password:
          Ref: NovaPassword
      ceilometer:
        db: {Ref: CeilometerDSN}
        metering_secret: {Ref: CeilometerMeteringSecret}
        service-password: {Ref: CeilometerPassword}
        compute_agent: {Ref: CeilometerComputeAgent}
      glance:
        host: {Ref: GlanceHost}
      hosts: {Ref: StaticHosts}
      keystone:
        host: {Ref: KeystoneHost}
      neutron:
        flat-networks: {Ref: NeutronFlatNetworks}
        host: {Ref: NeutronHost}
        ovs_db: {Ref: NeutronDSN}
        ovs:
          local_ip:
            Fn::Select:
              - 0
              - Fn::Select:
                - ctlplane
                - Fn::GetAtt:
                  - NovaCompute0
                  - networks
          tenant_network_type: {Ref: NeutronNetworkType}
          network_vlan_ranges: {Ref: NeutronNetworkVLANRanges}
          bridge_mappings: {Ref: NeutronBridgeMappings}
          enable_tunneling: {Ref: NeutronEnableTunnelling}
          physical_bridge: {Ref: NeutronPhysicalBridge}
          public_interface: {Ref: NeutronPublicInterface}
        service-password:
          Ref: NeutronPassword
      admin-password: {Ref: AdminPassword}
      rabbit:
        host: {Ref: RabbitHost}
        username: {Ref: RabbitUserName}
        password: {Ref: RabbitPassword}