Java で RDS のリードレプリカをマスターに昇格させる

    AmazonRDS client = new AmazonRDSClient(new AWSCredentials() {
      
      @Override
      public String getAWSSecretKey() {
        return "********************";
      }
      
      @Override
      public String getAWSAccessKeyId() {
        return "********************";
      }
    });

    DBInstance instance =
      client.promoteReadReplica(new PromoteReadReplicaRequest()
        .withDBInstanceIdentifier("test-db"));