GetWorkflowDAGPreview-阿里云帮助中心

Gets the DAG for a previous workflow version.

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RAM authorization

No authorization for this operation. If you encounter issues with this operation, contact technical support.

Request parameters

Parameter	Type	Required	Description	Example
ClusterId	string	Yes	The unique identifier for the cluster.	xxljob-b6ec1xxxx
AppName	string	Yes	The name of the application.	test-app
WorkflowId	integer	No	The unique identifier for the workflow.	20
DagVersion	string	Yes	The version of the workflow DAG.	v1

Response elements

Element	Type	Description	Example
	object	The response schema.
RequestId	string	The unique identifier for the request.	B8733786-C045-59F1-8D79-99A52863F62D
Code	integer	The response code.	200
Message	string	The error message.	Parameter error: content is null.
Success	boolean	Indicates whether the request was successful. `true`: The request was successful. `false`: The request failed.	true
Data	object	The returned data.
Nodes	array<object>	The workflow nodes.
	array<object>	A job node.
Id	integer	The job ID.	3
Name	string	The job name.	job1
AppName	string	The application name.	settle-job
Status	integer	The job status. Valid values: `0`: Disabled `1`: Enabled	1
JobType	string	The job type.	script_shell
Coordinate	object	The node coordinates.
X	number	The x-coordinate.	50
Y	number	The y-coordinate.	50
Width	number	The node width. This parameter is optional.	100
Height	number	The node height. This parameter is optional.	20
DependentStrategy	integer	The dependency strategy.	all_success
Edges	array<object>	The workflow edges.
	object	A workflow edge.
Source	integer	The ID of the source node.	3
Target	integer	The ID of the target node.	4

Examples

Success response

JSON format

{
  "RequestId": "B8733786-C045-59F1-8D79-99A52863F62D",
  "Code": 200,
  "Message": "Parameter error: content is null.",
  "Success": true,
  "Data": {
    "Nodes": [
      {
        "Id": 3,
        "Name": "job1",
        "AppName": "settle-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.