GetWorkflowDAG-阿里云帮助中心

Gets the Directed Acyclic Graph (DAG) of a workflow.

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Request syntax

GET  HTTP/1.1

Request parameters

Parameter	Type	Required	Description	Example
ClusterId	string	Yes	The cluster ID.	xxljob-a1804a3226d
AppName	string	Yes	The application name.	test-app
WorkflowId	integer	No	The workflow ID.	20

Response elements

Element	Type	Description	Example
	object	The response object.
RequestId	string	The Request ID.	5EF879D0-3B43-5AD1-9BF7-52418F9C5E73
Code	integer	The Response Code.	200
Message	string	The Error Message.	Parameter error: content is null.
Success	boolean	Indicates whether the request succeeded.	true
Data	object	The returned data.
Nodes	array<object>	A list of Nodes in the Workflow DAG.
	array<object>	An object representing a Node in the DAG.
Id	integer	The Job ID.	5
Name	string	The Job name.	job1
AppName	string	The Application Name.	oak-payment-async-job
Status	integer	The Job Status. 0: Disabled 1: Enabled	1
JobType	string	The Job type.	script_shell
Coordinate	object	The coordinates of the Node.
X	number	The x-coordinate of the Node.	50
Y	number	The y-coordinate of the Node.	50
Width	number	Optional. The width of the Node.	100
Height	number	Optional. The height of the Node.	20
DependentStrategy	integer	The Dependency Strategy.	all_success
Edges	array<object>	A list of Edges in the Workflow DAG.
	object	An object representing an Edge between two Nodes.
Source	integer	The Job ID of the source Node.	3
Target	integer	The Job ID of the target Node.	4

Examples

Success response

JSON format

{
  "RequestId": "5EF879D0-3B43-5AD1-9BF7-52418F9C5E73",
  "Code": 200,
  "Message": "Parameter error: content is null.",
  "Success": true,
  "Data": {
    "Nodes": [
      {
        "Id": 5,
        "Name": "job1",
        "AppName": "oak-payment-async-job",
        "Status": 1,
        "JobType": "script_shell",
        "Coordinate": {
          "X": 50,
          "Y": 50,
          "Width": 100,
          "Height": 20
        },
        "DependentStrategy": 0
      }
    ],
    "Edges": [
      {
        "Source": 3,
        "Target": 4
      }
    ]
  }
}

Error codes

HTTP status code	Error code	Error message	Description
400	InvalidParameter	Parameter error: %s.	Parameter error: %s
401	IllegalRequest	IllegalRequest: %s.	Illegal request:%s
500	InternalError	InternalError: %s.	System Internal Error: %s
403	NoPermission	No permission to perform this operation: %s.	No permission to perform this operation: %s
404	NotFound	Not found: %s.	The resource does not exist: %s

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.