Updates a flow.
Debugging
Authorization information
The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action
policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:
- Operation: the value that you can use in the Action element to specify the operation on a resource.
- Access level: the access level of each operation. The levels are read, write, and list.
- Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level,
All Resources
is used in the Resource type column of the operation.
- Condition Key: the condition key that is defined by the cloud service.
- Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
Operation | Access level | Resource type | Condition key | Associated operation |
---|---|---|---|---|
fnf:UpdateFlow | update |
|
| none |
Request parameters
Parameter | Type | Required | Description | Example |
---|---|---|---|---|
Name | string | Yes | The name of the workflow. | flow |
Definition | string | No | The definition of the workflow. The definition must comply with the flow definition language (FDL) syntax. Considering compatibility, the system supports the two workflow definition specifications. Note
In the preceding workflow definition example, Name:my_flow_name is the workflow name, which must be consistent with the input parameter Name
| version: v1.0\ntype: flow\nname: test\nsteps:\n - type: pass\n name: mypass |
Description | string | No | The description of the flow. | test definition |
Type | string | No | The type of the flow. Valid value: FDL. | FDL |
RoleArn | string | No | The Alibaba Cloud resource name (ARN) of the authorized role on which the execution of the flow relies. During the execution of the flow, the flow execution engine assumes the role to call API operations of relevant services. | acs:ram::${accountID}:${role} |
Response parameters
Examples
Sample success responses
JSON
format
{
"Type": "FDL",
"Definition": "version: v1.0\\ntype: flow\\nname: test\\nsteps:\\n - type: pass\\n name: mypass",
"RoleArn": "acs:ram::${accountID}:${role}",
"RequestId": "testRequestID",
"Description": "test definition",
"ExternalStorageLocation": "/path",
"Name": "flow",
"CreatedTime": "2019-01-01T01:01:01.001Z",
"LastModifiedTime": "2019-01-01T01:01:01.001Z",
"Id": "e589e092-e2c0-4dee-b306-3574ddfdddf5****"
}
Error codes
HTTP status code | Error code | Error message | Description |
---|---|---|---|
400 | ActionNotSupported | The requested API operation '%s' is incorrect. Please check. | - |
400 | APIVersionNotSupported | The requested API version '%s' is not supported yet. Please check. | - |
400 | InvalidArgument | Parameter error. | Parameter error. |
400 | MissingRequiredHeader | The HTTP header '%s' must be specified. | The HTTP header '%s' must be specified. |
400 | MissingRequiredParams | The HTTP query '%s' must be specified. | The HTTP query '%s' must be specified. |
403 | AccessDenied | The resources doesn't belong to you. | - |
403 | InvalidAccessKeyID | The AccessKey ID %s is invalid. | The AccessKey ID %s is invalid. |
403 | RequestTimeTooSkewed | The difference between the request time %s and the current time %s is too large. | The difference between the request time %s and the current time %s is too large. |
403 | SignatureNotMatch | The request signature we calculated does not match the signature you provided. Check your access key and signing method. | The calculated signature of the request does not match the signature you provided. Check your AccessKey Secret and signing algorithm. |
404 | FlowNotExists | Flow %s does not exist. | Flow %s does not exist. |
409 | ConcurrentUpdateError | Update conflict, please retry. | Update conflict, please retry. |
412 | PreconditionFailed | The resource to be modified has been changed. | The resource to be modified has been changed. Please try again later. |
415 | UnsupportedMediaType | The content type must be "application/json". | The content type must be "application/json". |
429 | ResourceThrottled | The request is throttled. Please try again later. | The request is throttled. Please try again later. |
500 | InternalServerError | An internal error has occurred. Please retry. | An internal error has occurred. Please retry. |
For a list of error codes, visit the Service error codes.
Change history
Change time | Summary of changes | Operation |
---|---|---|
2024-03-20 | The API operation is not deprecated.. The Error code has changed. The request parameters of the API has changed | View Change Details |