Updated on 2025-09-10 GMT+08:00

Modifying an Image Retention Policy

Description

Modify an image retention policy.

Constraints

None

API Calling

For details, see Calling APIs.

URI

PATCH /v2/manage/namespaces/{namespace}/repos/{repository}/retentions/{retention_id}

Table 1 Path parameters

Parameter

Mandatory

Type

Description

namespace

Yes

String

Organization name. Enter 1 to 64 characters, starting with a lowercase letter and ending with a lowercase letter or digit. Only lowercase letters, digits, periods (.), underscores (_), and hyphens (-) are allowed. Periods, underscores, and hyphens cannot be placed next to each other. A maximum of two consecutive underscores are allowed.

repository

Yes

String

Image repository name. Enter 1 to 128 characters. It must start and end with a lowercase letter or digit. Only lowercase letters, digits, periods (.), slashes (/), underscores (_), and hyphens (-) are allowed. Periods, slashes, underscores, and hyphens cannot be placed next to each other. A maximum of two consecutive underscores are allowed. Replace a slash (/) with a dollar sign ($) before you send the request.

retention_id

Yes

Integer

Image retention policy ID.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

Content-Type

Yes

String

Message body type (format). The value can be application/json or charset=utf-8 application/json.

Default value: application/json

X-Auth-Token

Yes

String

User token.

The token can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

algorithm

Yes

String

Retention policy matching rule. The value is or.

rules

Yes

Array of Rule objects

Image retention policy.

Table 4 Rule

Parameter

Mandatory

Type

Description

template

Yes

String

Retention policy type. The value can be date_rule and tag_rule. This parameter cannot be changed.

params

Yes

Object

If template is set to date_rule, set params to {"days": "xxx"}. If template is set to tag_rule, set params to {"num": "xxx"}.

tag_selectors

Yes

Array of TagSelector objects

Exception images.

Table 5 TagSelector

Parameter

Mandatory

Type

Description

kind

Yes

String

Matching rule. The value can be label or regexp.

pattern

Yes

String

If kind is set to label, set this parameter to the image tag. If kind is set to regexp, set this parameter to a regular expression.

Response Parameters

None

Example Request

PATCH https://{endpoint}/v2/manage/namespaces/{namespace}/repos/{repository}/retentions/{retention_id}

{
  "algorithm" : "or",
  "rules" : [ {
    "params" : {
      "days" : "30"
    },
    "tag_selectors" : [ {
      "kind" : "label",
      "pattern" : "v5"
    }, {
      "kind" : "label",
      "pattern" : "1.0.1"
    }, {
      "kind" : "regexp",
      "pattern" : "^123$"
    } ],
    "template" : "date_rule"
  } ]
}

Example Response

None

Status Codes

Status Code

Description

201

Update succeeded.

400

Request error.

401

Authentication failed.

404

The organization, image repository, or policy was not found.

500

Internal error.

Error Codes

For details, see Error Codes.