Appendix: Creating custom IAM policies - Managed Service for Apache Flink
Amazon GlueCloudWatch LogsKinesis streamsAmazon MSK clusters
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Appendix: Creating custom IAM policies

You normally use managed IAM policies to allow your application to access dependent resources. If you need finer control over your application's permissions, you can use a custom IAM policy. This section contains examples of custom IAM policies.

Note

In the following policy examples, replace the placeholder text with your application's values.

This topic contains the following sections:

Amazon Glue

The following example policy grants permissions to access a Amazon Glue database.

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "GlueTable",
            "Effect": "Allow",
            "Action": [            
                "glue:GetConnection",
                "glue:GetTable",
                "glue:GetTables",
                "glue:GetDatabase",
                "glue:CreateTable",
                "glue:UpdateTable"
            ],
            "Resource": [
                "arn:aws:glue:<region>:<accountId>:connection/*",
                "arn:aws:glue:<region>:<accountId>:table/<database-name>/*",
                "arn:aws:glue:<region>:<accountId>:database/<database-name>",
                "arn:aws:glue:<region>:<accountId>:database/hive",
                "arn:aws:glue:<region>:<accountId>:catalog"
            ]
        },
        {
            "Sid": "GlueDatabase",
            "Effect": "Allow",
            "Action": "glue:GetDatabases",
            "Resource": "*"
        }
    ]
}

CloudWatch Logs

The following policy grants permissions to access CloudWatch Logs:

{
      "Sid": "ListCloudwatchLogGroups",
      "Effect": "Allow",
      "Action": [
        "logs:DescribeLogGroups"
      ],
      "Resource": [
        "arn:aws:logs:<region>:<accountId>:log-group:*"
      ]
    },
    {
      "Sid": "ListCloudwatchLogStreams",
      "Effect": "Allow",
      "Action": [
        "logs:DescribeLogStreams"
      ],
      "Resource": [
        "<logGroupArn>:log-stream:*"
      ]
    },
    {
      "Sid": "PutCloudwatchLogs",
      "Effect": "Allow",
      "Action": [
        "logs:PutLogEvents"
      ],
      "Resource": [
        "<logStreamArn>"
      ]
    }
Note

If you create your application using the console, the console adds the necessary policies to access CloudWatch Logs to your application role.

Kinesis streams

Your application can use a Kinesis Stream for a source or a destination. Your application needs read permissions to read from a source stream, and write permissions to write to a destination stream.

The following policy grants permissions to read from a Kinesis Stream used as a source:

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "KinesisShardDiscovery",
      "Effect": "Allow",
      "Action": "kinesis:ListShards",
      "Resource": "*"
    },
    {
      "Sid": "KinesisShardConsumption",
      "Effect": "Allow",
      "Action": [
        "kinesis:GetShardIterator",
        "kinesis:GetRecords",
        "kinesis:DescribeStream",
        "kinesis:DescribeStreamSummary",
        "kinesis:RegisterStreamConsumer",
        "kinesis:DeregisterStreamConsumer"
      ],
      "Resource": "arn:aws:kinesis:<region>:<accountId>:stream/<stream-name>"
    },
    {
      "Sid": "KinesisEfoConsumer",
      "Effect": "Allow",
      "Action": [
        "kinesis:DescribeStreamConsumer",
        "kinesis:SubscribeToShard"
      ],
      "Resource": "arn:aws:kinesis:<region>:<account>:stream/<stream-name>/consumer/*"
    }
  ]
}

The following policy grants permissions to write to a Kinesis Stream used as a destination:

{
    "Version": "2012-10-17",
    "Statement": [
         {
            "Sid": "KinesisStreamSink",
            "Effect": "Allow",
            "Action": [
                "kinesis:PutRecord",
                "kinesis:PutRecords",
                "kinesis:DescribeStreamSummary",
                "kinesis:DescribeStream"
            ],
            "Resource": "arn:aws:kinesis:<region>:<accountId>:stream/<stream-name>"
        }
    ]
}

If your application accesses an encypted Kinesis stream, you must grant additional permissions to access the stream and the stream's encryption key.

The following policy grants permissions to access an encrypted source stream and the stream's encryption key:

{
      "Sid": "ReadEncryptedKinesisStreamSource",
      "Effect": "Allow",
      "Action": [
        "kms:Decrypt"
      ],
      "Resource": [
        "<inputStreamKeyArn>"
      ]
    }
    ,

The following policy grants permissions to access an encrypted destination stream and the stream's encryption key:

{
      "Sid": "WriteEncryptedKinesisStreamSink",
      "Effect": "Allow",
      "Action": [
        "kms:GenerateDataKey"
      ],
      "Resource": [
        "<outputStreamKeyArn>"
      ]
    }

Amazon MSK clusters

To grant access to an Amazon MSK cluster, you grant access to the cluster's VPC. For policy examples for accessing an Amazon VPC, see VPC Application Permissions.