Amazon Elastic MapReduce

Provides EMR release label details, such as releases available the region where the API request is run, and the available applications for a specific EMR release label. Can also list EMR release versions that support a specified version of Spark.

See also: AWS API Documentation

Request Syntax

client.describe_release_label(
    ReleaseLabel='string',
    NextToken='string',
    MaxResults=123
)

type ReleaseLabel:

string

param ReleaseLabel:

The target release label to be described.

type NextToken:

string

param NextToken:

The pagination token. Reserved for future use. Currently set to null.

type MaxResults:

integer

param MaxResults:

Reserved for future use. Currently set to null.

rtype:

dict

returns:

Response Syntax

{
    'ReleaseLabel': 'string',
    'Applications': [
        {
            'Name': 'string',
            'Version': 'string'
        },
    ],
    'NextToken': 'string'
}

Response Structure

• (dict) --

  • ReleaseLabel (string) --

    The target release label described in the response.

  • Applications (list) --

    The list of applications available for the target release label. Name is the name of the application. Version is the concise version of the application.

    • (dict) --

      The returned release label application names or versions.

      • Name (string) --

        The returned release label application name. For example, hadoop.

      • Version (string) --

        The returned release label application version. For example, 3.2.1.

  • NextToken (string) --

    The pagination token. Reserved for future use. Currently set to null.

Retrieves release labels of EMR services in the region where the API is called.

See also: AWS API Documentation

Request Syntax

client.list_release_labels(
    Filters={
        'Prefix': 'string',
        'Application': 'string'
    },
    NextToken='string',
    MaxResults=123
)

type Filters:

dict

param Filters:

Filters the results of the request. Prefix specifies the prefix of release labels to return. Application specifies the application (with/without version) of release labels to return.

• Prefix (string) --

  Optional release label version prefix filter. For example, emr-5.

• Application (string) --

  Optional release label application filter. For example, spark@2.1.0.

type NextToken:

string

param NextToken:

Specifies the next page of results. If NextToken is not specified, which is usually the case for the first request of ListReleaseLabels, the first page of results are determined by other filtering parameters or by the latest version. The ListReleaseLabels request fails if the identity (AWS AccountID) and all filtering parameters are different from the original request, or if the NextToken is expired or tampered with.

type MaxResults:

integer

param MaxResults:

Defines the maximum number of release labels to return in a single response. The default is 100.

rtype:

dict

returns:

Response Syntax

{
    'ReleaseLabels': [
        'string',
    ],
    'NextToken': 'string'
}

Response Structure

• (dict) --

  • ReleaseLabels (list) --

    The returned release labels.

    • (string) --

  • NextToken (string) --

    Used to paginate the next page of results if specified in the next ListReleaseLabels request.