amazon-web-services - RDS 代理目标组不可用

Question

我刚刚通过 Cloud Formation 创建了 RDS 代理

在代理仪表板中，显示 RDS 代理可用，但目标组不可用，我无法调试此问题并陷入 Cloud Formation 更新状态

这是我的云形成配置，

我对 rds 代理和 rds 实例使用了所有输入输出绑定(bind)流量安全组，但它似乎不起作用...

我的配置有错误吗？我已经坚持了一整天了

RDSInstance:
  DependsOn: DBSecurityGroup
  Type: AWS::RDS::DBInstance
  Properties: 
    AllocatedStorage: '20'
    AllowMajorVersionUpgrade: false
    AutoMinorVersionUpgrade: true
    AvailabilityZone: ${self:provider.region}a
    DBInstanceClass: db.t2.micro
    DBName: mydb
    VPCSecurityGroups: 
      - "Fn::GetAtt": [ DBSecurityGroup, GroupId ]
    Engine: postgres
    EngineVersion: '11.9'
    MasterUsername: postgres
    MasterUserPassword: Fighting001
    PubliclyAccessible: true
    DBSubnetGroupName: 
      Ref: DBSubnetGroup
    # VPCSecurityGroups: 
    #   Ref: VPC
DBSecretsManager:
  Type: AWS::SecretsManager::Secret
  Properties: 
    Description: 'Secret Store for database connection'
    Name: postgres
    SecretString: 
      'password'
RDSProxy:
  DependsOn: DBSecurityGroup
  Type: AWS::RDS::DBProxy
  Properties: 
    Auth: 
      - AuthScheme: SECRETS
        SecretArn: 
          Ref: DBSecretsManager
        IAMAuth: DISABLED
    DBProxyName: ${self:provider.stackName}-db-proxy
    DebugLogging: true
    EngineFamily: 'POSTGRESQL'
    RoleArn: 'my role arn'
    VpcSecurityGroupIds: 
    - "Fn::GetAtt": [ DBSecurityGroup, GroupId ]
    VpcSubnetIds: 
      - Ref: PublicSubnetA
      - Ref: PublicSubnetB
RDSProxyTargetGroup:
  Type: AWS::RDS::DBProxyTargetGroup
  Properties:
    DBProxyName: 
      Ref: RDSProxy
    DBInstanceIdentifiers: [Ref: RDSInstance]
    TargetGroupName: "default"
    ConnectionPoolConfigurationInfo:
        MaxConnectionsPercent: 45
        MaxIdleConnectionsPercent: 40
        ConnectionBorrowTimeout: 120

Answer 1

模板失败的一个可能原因是您的 AWS::SecretsManager::Secret 未使用且值不正确。

您的数据库使用:

    MasterUsername: postgres
    MasterUserPassword: Fighting001

但是你的DBSecretsManager是:

SecretString: 
     'password'

这是不正确的。我建议首先在 AWS 控制台中手动设置所有内容。然后，您可以检查适合您的用例的 SecretString 的正确形式。