[ aws . greengrass ]



Creates a version of a logger definition that has already been defined.

See also: AWS API Documentation

See ‘aws help’ for descriptions of global parameters.


[--amzn-client-token <value>]
--logger-definition-id <value>
[--loggers <value>]
[--cli-input-json | --cli-input-yaml]
[--generate-cli-skeleton <value>]


--amzn-client-token (string) A client token used to correlate requests and responses.

--logger-definition-id (string) The ID of the logger definition.

--loggers (list) A list of loggers.(structure)

Information about a logger

Component -> (string)

The component that will be subject to logging.

Id -> (string)

A descriptive or arbitrary ID for the logger. This value must be unique within the logger definition version. Max length is 128 characters with pattern ‘’[a-zA-Z0-9:_-]+’’.

Level -> (string)

The level of the logs.

Space -> (integer)

The amount of file space, in KB, to use if the local file system is used for logging purposes.

Type -> (string)

The type of log output which will be used.

Shorthand Syntax:

Component=string,Id=string,Level=string,Space=integer,Type=string ...

JSON Syntax:

    "Component": "GreengrassSystem"|"Lambda",
    "Id": "string",
    "Level": "DEBUG"|"INFO"|"WARN"|"ERROR"|"FATAL",
    "Space": integer,
    "Type": "FileSystem"|"AWSCloudWatch"

--cli-input-json | --cli-input-yaml (string) Reads arguments from the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, those 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. This may not be specified along with --cli-input-yaml.

--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. Similarly, if provided yaml-input it will print a sample input YAML that can be used with --cli-input-yaml. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

See ‘aws help’ for descriptions of global parameters.


To create a logger definition version

The following create-logger-definition-version example creates a logger definition version and associates it with a logger definition. The version defines four logging configurations: 1) system component logs on the file system of the core device, 2) user-defined Lambda function logs on the file system of the core device, 3) system component logs in Amazon CloudWatch Logs, and 4) user-defined Lambda function logs in Amazon CloudWatch Logs. Note: For CloudWatch Logs integration, your group role must grant appropriate permissions.

aws greengrass create-logger-definition-version \
    --logger-definition-id "a454b62a-5d56-4ca9-bdc4-8254e1662cb0" \
    --loggers "[{\"Id\":\"1\",\"Component\":\"GreengrassSystem\",\"Level\":\"ERROR\",\"Space\":10240,\"Type\":\"FileSystem\"},{\"Id\":\"2\",\"Component\":\"Lambda\",\"Level\":\"INFO\",\"Space\":10240,\"Type\":\"FileSystem\"},{\"Id\":\"3\",\"Component\":\"GreengrassSystem\",\"Level\":\"WARN\",\"Type\":\"AWSCloudWatch\"},{\"Id\":\"4\",\"Component\":\"Lambda\",\"Level\":\"INFO\",\"Type\":\"AWSCloudWatch\"}]"


 "Arn": "arn:aws:greengrass:us-west-2:123456789012:/greengrass/definition/loggers/a454b62a-5d56-4ca9-bdc4-8254e1662cb0/versions/49aedb1e-01a3-4d39-9871-3a052573f1ea",
 "Version": "49aedb1e-01a3-4d39-9871-3a052573f1ea",
 "CreationTimestamp": "2019-07-24T00:04:48.523Z",
 "Id": "a454b62a-5d56-4ca9-bdc4-8254e1662cb0"

For more information, see Monitoring with AWS IoT Greengrass Logs in the AWS IoT Greengrass Developer Guide.


Arn -> (string)

The ARN of the version.

CreationTimestamp -> (string)

The time, in milliseconds since the epoch, when the version was created.

Id -> (string)

The ID of the parent definition that the version is associated with.

Version -> (string)

The ID of the version.