AWS CLI Command Reference

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[ aws . qldb ]

list-journal-kinesis-streams-for-ledger

Description

Returns all Amazon QLDB journal streams for a given ledger.

This action does not return any expired journal streams. For more information, see Expiration for terminal streams in the Amazon QLDB Developer Guide .

This action returns a maximum of MaxResults items. It is paginated so that you can retrieve all the items by calling ListJournalKinesisStreamsForLedger multiple times.

See also: AWS API Documentation

Synopsis

  list-journal-kinesis-streams-for-ledger
--ledger-name <value>
[--max-results <value>]
[--next-token <value>]
[--cli-input-json <value>]
[--generate-cli-skeleton <value>]
[--debug]
[--endpoint-url <value>]
[--no-verify-ssl]
[--no-paginate]
[--output <value>]
[--query <value>]
[--profile <value>]
[--region <value>]
[--version <value>]
[--color <value>]
[--no-sign-request]
[--ca-bundle <value>]
[--cli-read-timeout <value>]
[--cli-connect-timeout <value>]

Options

--ledger-name (string)

The name of the ledger.

--max-results (integer)

The maximum number of results to return in a single ListJournalKinesisStreamsForLedger request. (The actual number of results returned might be fewer.)

--next-token (string)

A pagination token, indicating that you want to retrieve the next page of results. If you received a value for NextToken in the response from a previous ListJournalKinesisStreamsForLedger call, you should use that value as input here.

--cli-input-json (string) Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, the CLI values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

Global Options

--debug (boolean)

Turn on debug logging.

--endpoint-url (string)

Override command's default URL with the given URL.

--no-verify-ssl (boolean)

By default, the AWS CLI uses SSL when communicating with AWS services. For each SSL connection, the AWS CLI will verify SSL certificates. This option overrides the default behavior of verifying SSL certificates.

--no-paginate (boolean)

Disable automatic pagination. If automatic pagination is disabled, the AWS CLI will only make one call, for the first page of results.

--output (string)

The formatting style for command output.

  • json
  • text
  • table

--query (string)

A JMESPath query to use in filtering the response data.

--profile (string)

Use a specific profile from your credential file.

--region (string)

The region to use. Overrides config/env settings.

--version (string)

Display the version of this tool.

--color (string)

Turn on/off color output.

  • on
  • off
  • auto

--no-sign-request (boolean)

Do not sign requests. Credentials will not be loaded if this argument is provided.

--ca-bundle (string)

The CA certificate bundle to use when verifying SSL certificates. Overrides config/env settings.

--cli-read-timeout (int)

The maximum socket read time in seconds. If the value is set to 0, the socket read will be blocking and not timeout. The default value is 60 seconds.

--cli-connect-timeout (int)

The maximum socket connect time in seconds. If the value is set to 0, the socket connect will be blocking and not timeout. The default value is 60 seconds.

Examples

Note

To use the following examples, you must have the AWS CLI installed and configured. See the Getting started guide in the AWS CLI User Guide for more information.

Unless otherwise stated, all examples have unix-like quotation rules. These examples will need to be adapted to your terminal's quoting rules. See Using quotation marks with strings in the AWS CLI User Guide .

To list journal streams for a ledger

The following list-journal-kinesis-streams-for-ledger example lists journal streams for the specified ledger.

aws qldb list-journal-kinesis-streams-for-ledger \
    --ledger-name myExampleLedger

Output:

{
    "Streams": [
        {
            "LedgerName": "myExampleLedger",
            "CreationTime": 1591221984.677,
            "InclusiveStartTime": 1590710400.0,
            "ExclusiveEndTime": 1590796799.0,
            "RoleArn": "arn:aws:iam::123456789012:role/my-kinesis-stream-role",
            "StreamId": "7ISCkqwe4y25YyHLzYUFAf",
            "Arn": "arn:aws:qldb:us-east-1:123456789012:stream/myExampleLedger/7ISCkqwe4y25YyHLzYUFAf",
            "Status": "ACTIVE",
            "KinesisConfiguration": {
                "StreamArn": "arn:aws:kinesis:us-east-1:123456789012:stream/stream-for-qldb",
                "AggregationEnabled": true
            },
            "StreamName": "myExampleLedger-stream"
        }
    ]
}

For more information, see Streaming journal data from Amazon QLDB in the Amazon QLDB Developer Guide.

Output

Streams -> (list)

The QLDB journal streams that are currently associated with the given ledger.

(structure)

Information about an Amazon QLDB journal stream, including the Amazon Resource Name (ARN), stream name, creation time, current status, and the parameters of the original stream creation request.

LedgerName -> (string)

The name of the ledger.

CreationTime -> (timestamp)

The date and time, in epoch time format, when the QLDB journal stream was created. (Epoch time format is the number of seconds elapsed since 12:00:00 AM January 1, 1970 UTC.)

InclusiveStartTime -> (timestamp)

The inclusive start date and time from which to start streaming journal data.

ExclusiveEndTime -> (timestamp)

The exclusive date and time that specifies when the stream ends. If this parameter is undefined, the stream runs indefinitely until you cancel it.

RoleArn -> (string)

The Amazon Resource Name (ARN) of the IAM role that grants QLDB permissions for a journal stream to write data records to a Kinesis Data Streams resource.

StreamId -> (string)

The UUID (represented in Base62-encoded text) of the QLDB journal stream.

Arn -> (string)

The Amazon Resource Name (ARN) of the QLDB journal stream.

Status -> (string)

The current state of the QLDB journal stream.

KinesisConfiguration -> (structure)

The configuration settings of the Amazon Kinesis Data Streams destination for a QLDB journal stream.

StreamArn -> (string)

The Amazon Resource Name (ARN) of the Kinesis Data Streams resource.

AggregationEnabled -> (boolean)

Enables QLDB to publish multiple data records in a single Kinesis Data Streams record, increasing the number of records sent per API call.

Default: True

Warning

Record aggregation has important implications for processing records and requires de-aggregation in your stream consumer. To learn more, see KPL Key Concepts and Consumer De-aggregation in the Amazon Kinesis Data Streams Developer Guide .

ErrorCause -> (string)

The error message that describes the reason that a stream has a status of IMPAIRED or FAILED . This is not applicable to streams that have other status values.

StreamName -> (string)

The user-defined name of the QLDB journal stream.

NextToken -> (string)

  • If NextToken is empty, the last page of results has been processed and there are no more results to be retrieved.
  • If NextToken is not empty, more results are available. To retrieve the next page of results, use the value of NextToken in a subsequent ListJournalKinesisStreamsForLedger call.