RabbitMQ CloudFormation Template

rabbitmq-cloudformation.yml

AWSTemplateFormatVersion: "2010-09-09"
Description: AWS CloudFormation template to launch an AmazonMQ(RabbitMQ) instance. Specifying anything larger than mq.t3.micro will deploy a cluster instead of a single-instance.

Parameters:
  ClusterName: 
    Description: The name of the RabbitMQ Cluster
    Type: String
    MinLength: 8
    MaxLength: 50
  Subnets:
    Description: Subnets that brokers will be deployed in to
    Type: List<AWS::EC2::Subnet::Id>
    MinLength: 1
  SecurityGroups:
    Description: SecurityGroups that grant access to RabbitMQ
    Type: List<AWS::EC2::SecurityGroup::Id>
    MinLength: 1
  AdminUsername:
    Description: The admin username for RabbitMQ (Can't contain commas, colons, equals signs, or spaces)
    Type: String
    Default: rabbit-admin-user
    MinLength: 12
  AdminPassword:
    Description: The password to access RabbitMQ (Minimum 12 characters, at least 4 unique characters)
    Type: String
    Default: P@$$W0rdP@$$W0rd
    MinLength: 12
    NoEcho: true
  InstanceSize:
    Type: String
    Default: mq.m5.large
    AllowedValues:
      - mq.t3.micro
      - mq.m5.large
      - mq.m5.xlarge
      - mq.m5.2xlarge
      - mq.m5.4xlarge

## If micro instance is used, then a single instance is deployed instead of a cluster
Conditions:
  DeployAsCluster: !Not [!Equals [!Ref InstanceSize, mq.t3.micro]]

Resources:
  RabbitBroker:
    Properties:
      AutoMinorVersionUpgrade: true
      BrokerName: !Ref ClusterName
      DeploymentMode: !If [DeployAsCluster, CLUSTER_MULTI_AZ, SINGLE_INSTANCE]
      EngineType: RABBITMQ
      EngineVersion: 3.8.6
      HostInstanceType: !Ref InstanceSize
      Logs:
        General: true
      MaintenanceWindowStartTime:
        DayOfWeek: Monday
        TimeOfDay: "00:00"
        TimeZone: America/Chicago
      PubliclyAccessible: false
      SecurityGroups: !Ref SecurityGroups
      SubnetIds: !If [DeployAsCluster, !Ref Subnets, [!Select [ 0, !Ref Subnets ]]] ## Select the first available subnet if not a cluster
      Users: 
        - 
          Password: !Ref AdminPassword         
          Username: !Ref AdminUsername
    Type: AWS::AmazonMQ::Broker

Outputs:
  AmqpEndpoints: 
    Description: AMQP endpoint that clients should attach to
    Value: !Join [ ",", !GetAtt RabbitBroker.AmqpEndpoints ]
  Arn: 
    Description: ARN of the cluster resource
    Value: !GetAtt RabbitBroker.Arn