class aws_cdk.aws_codepipeline_actions.S3SourceAction(*, bucket, bucket_key, output, trigger=None, role=None, action_name, run_order=None, variables_namespace=None)

Bases: Action

Source that is provided by a specific Amazon S3 object.

Will trigger the pipeline as soon as the S3 object changes, but only if there is a CloudTrail Trail in the account that captures the S3 event.




import aws_cdk.aws_cloudtrail as cloudtrail

# source_bucket: s3.Bucket

source_output = codepipeline.Artifact()
key = "some/key.zip"
trail = cloudtrail.Trail(self, "CloudTrail")
source_action = codepipeline_actions.S3SourceAction(
  • bucket (IBucket) – The Amazon S3 bucket that stores the source code. If you import an encrypted bucket in your stack, please specify the encryption key at import time by using Bucket.fromBucketAttributes() method.

  • bucket_key (str) – The key within the S3 bucket that stores the source code.

  • output (Artifact) –

  • trigger (Optional[S3Trigger]) – How should CodePipeline detect source changes for this Action. Note that if this is S3Trigger.EVENTS, you need to make sure to include the source Bucket in a CloudTrail Trail, as otherwise the CloudWatch Events will not be emitted. Default: S3Trigger.POLL

  • role (Optional[IRole]) – The Role in which context’s this Action will be executing in. The Pipeline’s Role will assume this Role (the required permissions for that will be granted automatically) right before executing this Action. This Action will be passed into your {@link IAction.bind} method in the {@link ActionBindOptions.role} property. Default: a new Role will be generated

  • action_name (str) – The physical, human-readable name of the Action. Note that Action names must be unique within a single Stage.

  • run_order (Union[int, float, None]) – The runOrder property for this Action. RunOrder determines the relative order in which multiple Actions in the same Stage execute. Default: 1

  • variables_namespace (Optional[str]) – The name of the namespace to use for variables emitted by this action. Default: - a name will be generated, based on the stage and action names, if any of the action’s variables were referenced - otherwise, no namespace will be set


bind(scope, stage, *, bucket, role)

The callback invoked when this Action is added to a Pipeline.

Return type


on_state_change(name, target=None, *, description=None, enabled=None, event_bus=None, event_pattern=None, rule_name=None, schedule=None, targets=None)

Creates an Event that will be triggered whenever the state of this Action changes.

  • name (str) –

  • target (Optional[IRuleTarget]) –

  • description (Optional[str]) – A description of the rule’s purpose. Default: - No description.

  • enabled (Optional[bool]) – Indicates whether the rule is enabled. Default: true

  • event_bus (Optional[IEventBus]) – The event bus to associate with this rule. Default: - The default event bus.

  • event_pattern (Union[EventPattern, Dict[str, Any], None]) – Describes which events EventBridge routes to the specified target. These routed events are matched events. For more information, see Events and Event Patterns in the Amazon EventBridge User Guide. Default: - None.

  • rule_name (Optional[str]) – A name for the rule. Default: - AWS CloudFormation generates a unique physical ID and uses that ID for the rule name. For more information, see Name Type.

  • schedule (Optional[Schedule]) – The schedule or rate (frequency) that determines when EventBridge runs the rule. For more information, see Schedule Expression Syntax for Rules in the Amazon EventBridge User Guide. Default: - None.

  • targets (Optional[Sequence[IRuleTarget]]) – Targets to invoke when this rule matches an event. Input will be the full matched event. If you wish to specify custom target input, use addTarget(target[, inputOptions]). Default: - No targets.

Return type




The simple properties of the Action, like its Owner, name, etc.

Note that this accessor will be called before the {@link bind} callback.

Return type



The variables emitted by this action.

Return type