GetWorkflow - Amazon Managed Workflows for Apache Airflow Serverless

GetWorkflow

Retrieves detailed information about a workflow, including its configuration, status, and metadata.

Request Syntax

{ "WorkflowArn": "string", "WorkflowVersion": "string" }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.

WorkflowArn

The Amazon Resource Name (ARN) of the workflow you want to retrieve.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 2048.

Pattern: arn:aws(?:-(?:cn|us-gov|iso|iso-b|iso-e|iso-f))?:airflow-serverless:([a-z]{2}-[a-z]+-[0-9]{1}):([0-9]{12}):workflow/([a-zA-Z0-9][a-zA-Z0-9\.\-_]{0,254}-[a-zA-Z0-9]{10})

Required: Yes

WorkflowVersion

Optional. The specific version of the workflow to retrieve. If not specified, the latest version is returned.

Type: String

Length Constraints: Fixed length of 32.

Pattern: [a-z0-9]{32}

Required: No

Response Syntax

{ "CreatedAt": "string", "DefinitionS3Location": { "Bucket": "string", "ObjectKey": "string", "VersionId": "string" }, "Description": "string", "EncryptionConfiguration": { "KmsKeyId": "string", "Type": "string" }, "EngineVersion": number, "LoggingConfiguration": { "LogGroupName": "string" }, "ModifiedAt": "string", "Name": "string", "NetworkConfiguration": { "SecurityGroupIds": [ "string" ], "SubnetIds": [ "string" ] }, "RoleArn": "string", "ScheduleConfiguration": { "CronExpression": "string" }, "TriggerMode": "string", "WorkflowArn": "string", "WorkflowDefinition": "string", "WorkflowStatus": "string", "WorkflowVersion": "string" }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

CreatedAt

The timestamp when the workflow was created, in ISO 8601 date-time format.

Type: Timestamp

DefinitionS3Location

The Amazon S3 location of the workflow definition file.

Type: DefinitionS3Location object

Description

The description of the workflow.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 1024.

Pattern: .+

EncryptionConfiguration

The encryption configuration for the workflow.

Type: EncryptionConfiguration object

EngineVersion

The version of the Amazon Managed Workflows for Apache Airflow Serverless engine that this workflow uses.

Type: Integer

LoggingConfiguration

The logging configuration for the workflow.

Type: LoggingConfiguration object

ModifiedAt

The timestamp when the workflow was last modified, in ISO 8601 date-time format.

Type: Timestamp

Name

The name of the workflow.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 255.

Pattern: [a-zA-Z0-9]+[a-zA-Z0-9\.\-_]*

NetworkConfiguration

The network configuration for the workflow execution environment.

Type: NetworkConfiguration object

RoleArn

The Amazon Resource Name (ARN) of the IAM role used for workflow execution.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 2048.

Pattern: arn:aws(?:-(?:cn|us-gov|iso|iso-b|iso-e|iso-f))?:iam::[0-9]{12}:role(/[a-zA-Z0-9+=,.@_\-]{1,512})*?/[a-zA-Z0-9+=,.@_\-]{1,64}

ScheduleConfiguration

The schedule configuration for the workflow, including cron expressions for automated execution. Amazon Managed Workflows for Apache Airflow Serverless uses EventBridge Scheduler for cost-effective, timezone-aware scheduling. When a workflow includes schedule information in its YAML definition, the service automatically configures the appropriate triggers for automated execution. Only one version of a workflow can have an active schedule at any given time.

Type: ScheduleConfiguration object

TriggerMode

The trigger mode for the workflow execution.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 255.

Pattern: .*

WorkflowArn

The Amazon Resource Name (ARN) of the workflow.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 2048.

Pattern: arn:aws(?:-(?:cn|us-gov|iso|iso-b|iso-e|iso-f))?:airflow-serverless:([a-z]{2}-[a-z]+-[0-9]{1}):([0-9]{12}):workflow/([a-zA-Z0-9][a-zA-Z0-9\.\-_]{0,254}-[a-zA-Z0-9]{10})

WorkflowDefinition

The workflow definition content.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 255.

Pattern: .*

WorkflowStatus

The current status of the workflow.

Type: String

Valid Values: READY | DELETING

WorkflowVersion

The version identifier of the workflow.

Type: String

Length Constraints: Fixed length of 32.

Pattern: [a-z0-9]{32}

Errors

For information about the errors that are common to all actions, see Common Errors.

AccessDeniedException

You do not have sufficient permission to perform this action.

HTTP Status Code: 400

InternalServerException

An unexpected server-side error occurred during request processing.

RetryAfterSeconds

The number of seconds to wait before retrying the operation.

HTTP Status Code: 500

OperationTimeoutException

The operation timed out.

HTTP Status Code: 500

ResourceNotFoundException

The specified resource was not found. You can only access or modify a resource that already exists.

ResourceId

The unique identifier of the resource.

ResourceType

The type of the resource.

HTTP Status Code: 400

ThrottlingException

The request was denied because too many requests were made in a short period, exceeding the service rate limits. Amazon Managed Workflows for Apache Airflow Serverless implements throttling controls to ensure fair resource allocation across all customers in the multi-tenant environment. This helps maintain service stability and performance. If you encounter throttling, implement exponential backoff and retry logic in your applications, or consider distributing your API calls over a longer time period.

QuotaCode

The code of the quota.

RetryAfterSeconds

The number of seconds to wait before retrying the operation.

ServiceCode

The code for the service.

HTTP Status Code: 400

ValidationException

The specified request parameters are invalid, missing, or inconsistent with Amazon Managed Workflows for Apache Airflow Serverless service requirements. This can occur when workflow definitions contain unsupported operators, when required IAM permissions are missing, when S3 locations are inaccessible, or when network configurations are invalid. The service validates workflow definitions, execution roles, and resource configurations to ensure compatibility with the managed Airflow environment and security requirements.

FieldList

The fields that failed validation.

Reason

The reason the request failed validation.

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: