Help Center/ Cloud Application Engine/ API Reference/ CAE API/ Component./ Performing Operations on a Component
Updated on 2025-10-22 GMT+08:00

Performing Operations on a Component

Function

This API is used to perform operations (such as deploy, upgrade, restart, stop, start, scale, configure, and roll back) on a component.

URI

POST /v1/{project_id}/cae/applications/{application_id}/components/{component_id}/action

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. See Obtaining a Project ID.

application_id

Yes

String

Application ID.

component_id

Yes

String

Component ID.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token.

  • Obtain the token. For details, see "Obtaining a User Token" in Identity and Access Management API Reference (https://support.huaweicloud.com/intl/en-us/api-iam/iam_30_0001.html).

  • The value of X-Subject-Token in the response header is the token value.

X-Enterprise-Project-ID

No

String

Enterprise project ID.

  • When an environment is created, it will be bound with an enterprise project ID.

  • Enter 0 or up to 36 characters in UUID format with hyphens (-).

  • If this parameter is not specified or set to 0, resources in the default enterprise project are queried.

NOTE:

For details about how to obtain enterprise project IDs and enterprise project features, see Enterprise Management User Guide.

X-Environment-ID

Yes

String

Environment ID.

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

api_version

Yes

String

API version. Fixed value: v1.

kind

Yes

String

API type. Fixed value: Action.

metadata

No

metadata object

Request data.

spec

No

ActionOnComponentSpec object

  
Table 4 metadata

Parameter

Mandatory

Type

Description

annotations

No

Annotations object

  

name

Yes

String

Action name.

Table 5 annotations

Parameter

Mandatory

Type

Description

{User defined key}

No

Map<String,String>

Resource information.

Table 6 ActionOnComponentSpec

Parameter

Mandatory

Type

Description

snapshot_index

No

Integer

Snapshot index.

replica

No

Integer

Number of instances.

source

No

ActionOnComponentSource object

Source data

resource_limit

No

ResourceLimitForUpgrade object

Instance specifications

build

No

ActionOnComponentBuild object

Build data.

Table 7 ActionOnComponentSource

Parameter

Mandatory

Type

Description

code

No

Repo object

Source code repository information.

type

No

String

Source type.

sub_type

No

String

Source subtype.

  • If type is code, sub_type indicates a code repository, such as DevCloud (CodeArts), GitLab, GitHub, Gitee, or Bitbucket.

  • If type is softwarePackage, sub_type indicates a software package repository, such as BinObs or BinDevCloud (CodeArts Release Repo).

url

No

String

URL.

  • If type is image, url indicates an image address.

  • If type is code, url indicates a Git address.

  • If type is softwarePackage, url indicates a software package address.

Table 8 Repo

Parameter

Mandatory

Type

Description

auth_name

No

String

Authorization name.

branch

No

String

Branch.

namespace

No

String

Namespace, which must be Base64-encoded.

Table 9 ResourceLimitForUpgrade

Parameter

Mandatory

Type

Description

cpu_limit

No

String

CPU limit.

memory_limit

No

String

Memory limit.

Table 10 ActionOnComponentBuild

Parameter

Mandatory

Type

Description

archive

No

Archive object

Place where build products are archived for management.

parameters

No

Parameters object

  
Table 11 Archive

Parameter

Mandatory

Type

Description

artifact_namespace

No

String

SWR organization for product management.

Table 12 parameters

Parameter

Mandatory

Type

Description

{User defined key}

No

Map<String,String>

Additional parameters. Options:

  • base_image: base image address.

  • build_cmd: custom build command.

  • dockerfile_path: custom dockerfile path.

  • dockerfile_content: custom dockerfile content.

  • artifact_name: product to be run after the Java multi-module build. The value ends with .jar.

Response Parameters

Status code: 200

Table 13 Response body parameters

Parameter

Type

Description

job_id

String

Job ID.

Example Requests

  • Perform operations (such as deploy, restart, stop, start, and configure) on a component.

    POST https://{endpoint}/v1/{project_id}/cae/applications/{application_id}/components/{component_id}/action
    
    {
      "api_version" : "v1",
      "kind" : "Action",
      "metadata" : {
        "name" : "deploy/restart/stop/start/configure",
        "annotations" : {
          "version" : "1.0.0"
        }
      }
    }
  • Upgrade the component version to 1.0.1.

    POST https://{endpoint}/v1/{project_id}/cae/applications/{application_id}/components/{component_id}/action
    
    {
      "api_version" : "v1",
      "kind" : "Action",
      "metadata" : {
        "name" : "upgrade",
        "annotations" : {
          "version" : "1.0.1"
        }
      },
      "spec" : {
        "source" : {
          "type" : "image",
          "url" : "nginx:stable-alpine-perl"
        }
      }
    }
  • Increase the number of instances to 2 for the component.

    POST https://{endpoint}/v1/{project_id}/cae/applications/{application_id}/components/{component_id}/action
    
    {
      "api_version" : "v1",
      "kind" : "Action",
      "metadata" : {
        "name" : "scale",
        "annotations" : {
          "version" : "1.0.0"
        }
      },
      "spec" : {
        "replica" : 2
      }
    }
  • Roll back the component.

    POST https://{endpoint}/v1/{project_id}/cae/applications/{application_id}/components/{component_id}/action
    
    {
      "api_version" : "v1",
      "kind" : "Action",
      "metadata" : {
        "name" : "rollback",
        "annotations" : {
          "version" : "1.0.0"
        }
      },
      "spec" : {
        "snapshot_index" : 1
      }
    }

Example Responses

Status code: 200

OK

{
  "job_id" : "xxx"
}

Status Codes

Status Code

Description

200

OK

Error Codes

See Error Codes.