5.7 互換の aurora serverless は CloudFormation で作成できないため、この yaml は使えない。作成できるようになった時用。

aurora-serverless-5.7.yaml

AWSTemplateFormatVersion: 2010-09-09

Parameters:
  VpcId:
    Type: AWS::EC2::VPC::Id
  PrivateSubnetIds:
    Type: List<AWS::EC2::Subnet::Id>
  RdsAdminName:
    Type: String
    Default: admin
  RdsAdminPassword:
    Type: String

Resources:
  RdsClusterParameterGroup:
    Type: AWS::RDS::DBClusterParameterGroup
    Properties:
      Description: sample aurora serverless
      Family: aurora-mysql5.7
      Parameters:
        character_set_client: utf8mb4
        character_set_connection: utf8mb4
        character_set_database: utf8mb4
        character_set_filesystem: utf8mb4
        character_set_results: utf8mb4
        character_set_server: utf8mb4
        innodb_large_prefix: 1
        innodb_file_format: Barracuda
  RdsSubnetGroup:
    Type: AWS::RDS::DBSubnetGroup
    Properties:
      DBSubnetGroupDescription: sample aurora serverless
      SubnetIds: !Ref PrivateSubnetIds
  RdsSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: sample aurora serverless
  Rds:
    Type: AWS::RDS::DBCluster
    Properties:
      BackupRetentionPeriod: 1
      DBClusterParameterGroupName: !Ref 'RdsClusterParameterGroup'
      DBSubnetGroupName: !Ref 'RdsSubnetGroup'
      DeletionProtection: false
      Engine: aurora
      EngineMode: serverless
      # 5.7 互換の serverless はまだ作れない
      EngineVersion: 2.07.1
      MasterUsername: !Ref 'RdsAdminName'
      MasterUserPassword: !Ref 'RdsAdminPassword'
      PreferredBackupWindow: 18:00-18:30
      PreferredMaintenanceWindow: Tue:06:00-Tue:06:30
      ScalingConfiguration:
        MinCapacity: 1
        AutoPause: true
        MaxCapacity: 1
        SecondsUntilAutoPause: 1800
      VpcSecurityGroupIds:
        - !Ref 'RdsSecurityGroup'