HeatTemplateFormatVersion: '2012-12-12'
Description: 'HEAT Template - Dedicated MySQL server'
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: m1.small
  MySQLImage:
    Type: String
Resources:
  ApiAccessPolicy:
    Type: OS::Heat::AccessPolicy
    Properties:
      AllowedResources: [ MySQL0 ]
  ApiUser:
    Type: AWS::IAM::User
    Properties:
      Policies: [ { Ref: ApiAccessPolicy } ]
  MySQL0:
    Type: AWS::EC2::Instance
    Metadata:
      OpenStack::ImageBuilder::Elements: [ mysql ]
      OpenStack::MySQL:
        masterhandle: {Ref: MySQLMasterHandle}
        keystone:
          userhandle: {Ref: KeystonePasswordHandle}
      OpenStack::Heat::CFNTools:
        AWSAccessKeyId:
          Ref: ApiKey
        AWSSecretAccessKey:
          Fn::GetAtt: [ ApiKey, SecretAccessKey ]
    Properties:
      ImageId:
        {Ref: MySQLImage}
      InstanceType: {Ref: InstanceType}
      KeyName: {Ref: KeyName}
  MySQL1:
    Type: AWS::EC2::Instance
    DependsOn: MySQL0
    Metadata:
      OpenStack::ImageBuilder::Elements: [ mysql ]
      OpenStack::MySQL:
        masterinfo: {Fn::GetAtt: [ MySQLMaster, Data ]}
        consumers: {Ref: Consumers}
        keystone:
          userhandle: {Ref: KeystonePasswordHandle}
      OpenStack::Heat::CFNTools:
        AWSAccessKeyId:
          Ref: ApiKey
        AWSSecretAccessKey:
          Fn::GetAtt: [ ApiKey, SecretAccessKey ]
    Properties:
      ImageId:
        {Ref: MySQLImage}
      InstanceType: {Ref: InstanceType}
      KeyName: {Ref: KeyName}
  MySQLMasterHandle:
    Type: AWS::CloudFormation::WaitConditionHandle
  MySQLMaster:
    DependsOn: MySQL0
    Type: AWS::CloudFormation::WaitCondition
    Properties:
      Handle: {Ref: MySQLMasterHandle}
      Timeout: 60
  KeystonePasswordHandle:
    Type: AWS::CloudFormation:WaitConditionHandle
    Properties:
  KeystonePassword:
    DependsOn: MySQL1
    Type: AWS::CloudFormation::WaitCondition
    Properties:
      Handle: {Ref: KeystonePasswordHandle}
      Timeout: 60
Outputs:
    MySQLHost: 
        Fn::GetAtt: [ MySQL0 , PrivateIp ]
    MySQLSlaves:
        Fn::GetAtt: [ MySQL1, PrivateIp ]
    KeystonePassword:
        Fn::GetAtt: [ KeystonePassword, Data ]