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HeatTemplateFormatVersion: '2012-12-12'
Description: 'HEAT Template - Heat Engine and API'
Parameters:
KeyName:
Description: Name of an existing EC2 KeyPair to enable SSH access to the instances
Type: String
Default: default
InstanceType:
Description: Use this flavor
Type: String
Default: bm.small
HeatUser:
Description: Heat database username.
Type: String
Default: heat
HeatEngineImage:
Type: String
HeatApiImage:
Type: String
RabbitMQHost:
Description: Host for RabbitMQ
Type: String
RabbitMQPassword:
Description: Password for RabbitMQ
Type: String
ApiGroupSize:
Description: How many API nodes to run
Type: Integer
Default: 1
AvailabilityZones:
Type: List
Default: [ 1 ]
Resources:
EngineAccessPolicy:
Type: OS::Heat::AccessPolicy
Properties:
AllowedResources: [ HeatEngine ]
EngineUser:
Type: AWS::IAM::User
Properties:
Policies: [ { Ref: EngineAccessPolicy } ]
EngineKey:
Type: AWS::IAM::AccessKey
Properties:
UserName:
Ref: EngineUser
ApiAccessPolicy:
Type: OS::Heat::AccessPolicy
Properties:
AllowedResources: [ HeatAPILaunch ]
ApiUser:
Type: AWS::IAM::User
Properties:
Policies: [ { Ref: ApiAccessPolicy } ]
ApiKey:
Type: AWS::IAM::AccessKey
Properties:
UserName:
Ref: ApiUser
HeatAPILaunch:
Type: AWS::AutoScaling::LaunchConfiguration
Metadata:
OpenStack::ImageBuilder::Elements: [ heat-api ]
OpenStack::Config:
heat:
rpc_backend: heat.openstack.common.rpc.impl_kombu
rabbit:
host: {Ref: RabbitMQHost}
password: {Ref: RabbitMQPassword}
access_key_id:
Ref: ApiKey
secret_key:
Fn::GetAtt: [ ApiKey, SecretAccessKey ]
stack:
name: {Ref: 'AWS::StackName'}
region: {Ref: 'AWS::Region'}
refresh:
- resource: HeatAPILaunch
Properties:
ImageId:
{Ref: HeatApiImage}
InstanceType: {Ref: InstanceType}
KeyName: {Ref: KeyName}
UserData: "#!/bin/bash\ntouch /tmp/userdata-finished\necho Userdata finished $(date)\n"
HeatAPI:
Type: OS::Heat::InstanceGroup
Properties:
LaunchConfiguration: {Ref: HeatApiLaunch}
Size: {Ref: ApiGroupSize}
AvailabilityZones: {Ref: AvailabilityZones}
HeatEngine:
Type: AWS::EC2::Instance
Properties:
ImageId:
{Ref: HeatEngineImage}
Metadata:
OpenStack::Config:
heat:
rpc_backend: heat.openstack.common.rpc.impl_kombu
rabbit:
host: {Ref: RabbitMQHost}
password: {Ref: RabbitMQPassword}
access_key_id:
Ref: EngineKey
secret_key:
Fn::GetAtt: [ EngineKey, SecretAccessKey ]
stack:
name: {Ref: 'AWS::StackName'}
region: {Ref: 'AWS::Region'}
refresh:
- resource: HeatEngine
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