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aws_lambda_event_source_mapping Resource

Use the aws_lambda_event_source_mapping InSpec audit resource to test properties of a single mapping between an AWS event source and an AWS Lambda function.

The AWS::Lambda::EventSourceMapping resource creates a mapping between an event source and an AWS Lambda function. Lambda reads items from the event source and triggers the function.

For additional information, including details on parameters and properties, see the AWS documentation on AWS Lambda EventSourceMapping.

Installation

This resource is available in the Chef InSpec AWS resource pack.

See the Chef InSpec documentation on cloud platforms for information on configuring your AWS environment for InSpec and creating an InSpec profile that uses the InSpec AWS resource pack.

Syntax

Ensure that a UUID exists.

describe aws_lambda_event_source_mapping(uuid: 'EVENT_SOURCE_MAPPING_UUID') do
  it { should exist }
end

Parameters

uuid (required)

The identifier of the event source mapping.

Properties

uuid
The identifier of the event source mapping.
starting_position
The position in a stream from which to start reading. Required for Amazon Kinesis, Amazon DynamoDB, and Amazon MSK Streams sources. AT_TIMESTAMP is only supported for Amazon Kinesis streams.
starting_position_timestamp
With StartingPosition set to AT_TIMESTAMP, the time from which to start reading.
batch_size
The maximum number of items to retrieve in a single batch.
maximum_batching_window_in_seconds
(Streams and SQS standard queues) The maximum amount of time to gather records before invoking the function, in seconds. The default value is zero.
parallelization_factor
(Streams only) The number of batches to process from each shard concurrently. The default value is 1.
event_source_arn
The Amazon Resource Name (ARN) of the event source.
function_arn
The ARN of the Lambda function.
last_modified
The date that the event source mapping was last updated, or its state changed.
last_processing_result
The result of the last AWS Lambda invocation of your Lambda function.
state
The state of the event source mapping. It can be one of the following: Creating, Enabling, Enabled, Disabling, Disabled, Updating, or Deleting.
state_transition_reason
Indicates whether the last change to the event source mapping was made by a user, or by the Lambda service.
destination_config (on_success (destination))
(Streams) An Amazon SQS queue or Amazon SNS topic destination for discarded records. The Amazon Resource Name (ARN) of the destination resource.
destination_config (on_failure (destination))
The destination configuration for failed invocations. The Amazon Resource Name (ARN) of the destination resource.
topics
The name of the Kafka topic.
queues
(Amazon MQ) The name of the Amazon MQ broker destination queue to consume.
source_access_configurations (type)
An array of the authentication protocol, or the VPC components to secure your event source. The type of authentication protocol or the VPC components for your event source. Valid values: BASIC_AUTH, SASL_SCRAM_256_AUTH, SASL_SCRAM_512_AUTH, VIRTUAL_HOST, VPC_SECURITY_GROUP, VPC_SUBNET.
source_access_configurations (uri)
An array of the authentication protocol, or the VPC components to secure your event source. The value for your chosen configuration in Type. For example: "URI": "arn:aws:secretsmanager:us-east-1:01234567890:secret:MyBrokerSecretName".
maximum_record_age_in_seconds
(Streams only) Discard records older than the specified age. The default value is infinite (-1). When set to infinite (-1), failed records are retried until the record expires.
bisect_batch_on_function_error
(Streams only) If the function returns an error, split the batch in two and retry. The default value is false.
maximum_retry_attempts
(Streams only) Discard records after the specified number of retries. The default value is infinite (-1). When set to infinite (-1), failed records are retried until the record expires.

Examples

Ensure an UUID is available.

describe aws_lambda_event_source_mapping(uuid: 'EVENT_SOURCE_MAPPING_UUID') do
  its('uuid') { should eq 'EVENT_SOURCE_MAPPING_UUID' }
end

Ensure that the state is Creating or not.

describe aws_lambda_event_source_mapping(uuid: 'EVENT_SOURCE_MAPPING_UUID') do
    its('state') { should eq 'Creating' }
end

Matchers

This InSpec audit resource has the following special matchers. For a full list of available matchers, please visit our Universal Matchers page.

The controls will pass if the get method returns at least one result.

exist

Use should to test that the entity exists.

describe aws_lambda_event_source_mapping(uuid: 'EVENT_SOURCE_MAPPING_UUID') do
  it { should exist }
end

Use should_not to test the entity does not exist.

describe aws_lambda_event_source_mapping(uuid: 'EVENT_SOURCE_MAPPING_UUID') do
  it { should_not exist }
end

be_available

Use should to check if the uuid is available.

describe aws_lambda_event_source_mapping(uuid: 'EVENT_SOURCE_MAPPING_UUID') do
  it { should be_available }
end

AWS Permissions

Your Principal will need the Lambda:Client:EventSourceMappingConfiguration action with Effect set to Allow.

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