Delivering a Component Task Based on the Component ID

This API is used to deliver a component task based on the component ID.

POST /v3/{project_id}/cas/applications/{application_id}/components/{component_id}/action

**Table 1** Path parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Tenant's project ID. See Obtaining a Project ID.
application_id	Yes	String	Application ID. See Obtaining All Applications.
component_id	Yes	String	Component ID. See Obtaining All Components of an Application.

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
Content-Type	Yes	String	Message body type (format). Default value: application/json;charset=utf8.
X-Auth-Token	Yes	String	API calling can be authenticated using a token or AK/SK. If you use a token, this parameter is mandatory and must be set to the token. For details about how to obtain a token, see Obtaining a User Token.

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
action	Yes	String	Component task type. start stop restart scale rollback continue_deploy check_gray_release modify_gray_rule
parameters	No	Object	Task parameters. See Table 4.

**Table 4** parameters
Parameter	Mandatory	Type	Description
replica	No	Integer	Number of component instances.
version	No	String	Version number.
hosts	No	Array of String	Host ID list, which is mandatory when component scaling is deployed on a VM.

**Table 5** Response parameters
Parameter	Type	Description
job_id	String	Job ID.
result	String	Task status.

Start a component.

{
  "action": "start",
  "parameters": {
    "replica": 0,
    "hosts": [
      "string"
    ],
    "version": "string"
  }
}

{
  "job_id": "string",
  "result": "succeeded"
}

The error code format is SVCSTG.00100.[Error_ID], for example, SVCSTG.00100400. For details, see ServiceStage Error Codes.

Parent topic: Component

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