Help Center/ SoftWare Repository for Container/ API Reference (Enterprise Edition)/ API/ Image Signing Management/ Listing Image Tags in an Execution Task of an Image Signing Policy
Updated on 2025-09-26 GMT+08:00

Listing Image Tags in an Execution Task of an Image Signing Policy

Function

This API is used to list the image tags in an execution task of an image signing policy.

Constraints

None.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{project_id}/instances/{instance_id}/namespaces/{namespace_name}/signature/policies/{policy_id}/executions/{execution_id}/tasks/{task_id}/subtasks

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID.

instance_id

Yes

String

ID of an SWR Enterprise Edition instance.

namespace_name

Yes

String

Namespace name.

policy_id

Yes

Integer

ID of an image signing policy.

execution_id

Yes

Integer

Execution ID of an image signing policy.

task_id

Yes

Integer

Job ID.

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

offset

No

Integer

Start index. The default value is 0. Note: The offset and limit parameters must be used together. The offset value must be 0 or a multiple of the limit value.

limit

No

Integer

Number of returned records. The default value is 10, and the maximum value is 100. Note: The offset and limit parameters must be used together. The offset value must be 0 or a multiple of the limit value.

status

No

String

Status. The value can be Initialized, Pending, InProgress, Succeed, Failed, or Stopped.

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token.

It 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.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

sub_tasks

Array of SignatureExecutionSubTask objects

List of execution subtasks of an image signing policy.

total

Integer

Total number of execution subtasks of an image signing policy.

Table 5 SignatureExecutionSubTask

Parameter

Type

Description

id

Long

Subtask ID.

job_id

String

Subtask details.

namespace

String

Namespace.

repository

String

Image repository.

tags

String

Image tag.

digest

String

SHA-256 information of an image layer.

status

String

Subtask status.

status_text

String

Status details.

created_at

String

Creation time.

updated_at

String

Update time.

Status code: 400

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 401

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 403

Table 8 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 404

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 500

Table 10 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Example Requests

GET https://{endpoint}/v2/{project_id}/instances/{instance_id}/namespaces/{namespace_name}/signature/policies/{policy_id}/executions/{execution_id}/tasks/{task_id}/subtasks

Example Responses

Status code: 200

Successful query.

{
  "total" : 2,
  "sub_tasks" : [ {
    "id" : 694,
    "job_id" : "cad53dfc907c167edc563ac0",
    "namespace" : "retention",
    "repository" : "cuda-vector-add",
    "tags" : "with-tools",
    "digest" : "sha256:ad6600f44974db05ec31e84d765923bc34ccc654d62dd915ba208b961fe83425",
    "status" : "Succeed",
    "status_text" : ""
  } ]
}

SDK Sample Code

The SDK sample code is as follows.

Java

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.swr.v2.region.SwrRegion;
import com.huaweicloud.sdk.swr.v2.*;
import com.huaweicloud.sdk.swr.v2.model.*;


public class ListInstanceSignatureExecutionSubtasksSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        SwrClient client = SwrClient.newBuilder()
                .withCredential(auth)
                .withRegion(SwrRegion.valueOf("<YOUR REGION>"))
                .build();
        ListInstanceSignatureExecutionSubtasksRequest request = new ListInstanceSignatureExecutionSubtasksRequest();
        request.withInstanceId("{instance_id}");
        request.withNamespaceName("{namespace_name}");
        request.withPolicyId({policy_id});
        request.withExecutionId({execution_id});
        request.withTaskId({task_id});
        try {
            ListInstanceSignatureExecutionSubtasksResponse response = client.listInstanceSignatureExecutionSubtasks(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Python

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkswr.v2.region.swr_region import SwrRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkswr.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = SwrClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(SwrRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ListInstanceSignatureExecutionSubtasksRequest()
        request.instance_id = "{instance_id}"
        request.namespace_name = "{namespace_name}"
        request.policy_id = {policy_id}
        request.execution_id = {execution_id}
        request.task_id = {task_id}
        response = client.list_instance_signature_execution_subtasks(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Go

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    swr "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/swr/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/swr/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/swr/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := swr.NewSwrClient(
        swr.SwrClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListInstanceSignatureExecutionSubtasksRequest{}
	request.InstanceId = "{instance_id}"
	request.NamespaceName = "{namespace_name}"
	request.PolicyId = int32({policy_id})
	request.ExecutionId = int32({execution_id})
	request.TaskId = int32({task_id})
	response, err := client.ListInstanceSignatureExecutionSubtasks(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

More

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

Successful query.

400

Request error.

401

Authentication failed.

403

Access denied.

404

Resource not found.

500

Internal error.

Error Codes

See Error Codes.