Updated on 2026-09-23 GMT+08:00

Querying Details About an Image with a Specific Tag

Function

Query the details about an image with a specified tag in an image repository.

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

  • If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
  • If you are using identity policy-based authorization, the following identity policy-based permissions are required.

    Action

    Access Level

    Resource Type (*: required)

    Condition Key

    Alias

    Dependencies

    swr:repo:getRepoTag

    Read

    repo *

    -

    -

    -

URI

GET /v2/manage/namespaces/{namespace}/repos/{repository}/tags/{tag}

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. The name contains 1 to 128 characters, starting and ending 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. If the parameter value contains a slash (/), replace it with a dollar sign ($) before sending the request.

tag

Yes

String

Label name

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;charset=utf-8

application/json

X-Auth-Token

Yes

String

User token. You can obtain the token by calling the IAM API used to obtain a user token.

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

id

Integer

Tag ID.

repo_id

Integer

Repository ID.

tag

String

Image tag name.

image_id

String

Image ID.

manifest

String

Image manifest.

digest

String

Hash value of an image.

schema

Integer

Docker protocol version, which can be 1 or 2.

path

String

Image pull path. The format is swr.example.com/namespace/repository:tag.

internal_path

String

Image pull path within a CCE cluster, for example, 10.125.0.198:20202/namespace/repository:tag.

size

Integer

Image size, ranging from 0 to 9,223,372,036,854,775,807.

is_trusted

Boolean

By default, the value is false.

created

String

Time when an image was created. It is the UTC standard time. You need to calculate the offset based on the local time, for example, UTC+8:00 for the East 8th Time Zone.

updated

String

Time when an image was updated. It is the UTC standard time. You need to calculate the offset based on the local time, for example, UTC+8:00 for the East 8th Time Zone.

domain_id

String

Account ID.

tag_type

Integer

The value 0 indicates a manifest, and 1 indicates the manifest list.

Example Requests

None

Example Responses

Status code: 200

{
  "id" : 0,
  "repo_id" : 0,
  "tag" : "latest",
  "image_id" : "741f24a795d6d93d7c6edd11780d63c13e16c39615dd9d223378a57a836f2ee6",
  "manifest" : "{\"schemaVersion\":2,\"mediaType\":\"application/vnd.docker.distribution.manifest.v2+json\",\"config\":{\"mediaType\":\"application/vnd.docker.container.image.v1+json\",\"size\":1862,\"digest\":\"sha256:741f24a795d6d93d7c6edd11780d63c13e16c39615dd9d223378a57a836f2ee6\"},\"layers\":[{\"mediaType\":\"application/vnd.docker.image.rootfs.diff.tar.gzip\",\"size\":1292800,\"digest\":\"sha256:8ac8bfaff55af948c796026ee867448c5b5b5d9dd3549f4006d9759b25d4a893\"},{\"mediaType\":\"application/vnd.docker.image.rootfs.diff.tar.gzip\",\"size\":10240,\"digest\":\"sha256:77ddbf3a9fe11e81761a0f9df43a28e3e6f29bbb53c0c8cf71cd7efa69729aed\"}]}",
  "digest" : "sha256:57b605845a6367c34bfb6ea6477f16852f59aa1861a2b51d10ab77ae0a1dc9c3",
  "schema" : 2,
  "path" : "swr.example.com/namespace/busybox:latest",
  "internal_path" : "10.125.0.198:20202/namespace/busybox:latest",
  "size" : 1304902,
  "is_trusted" : false,
  "created" : "2018-07-06T06:18:55Z",
  "updated" : "2018-07-06T06:18:55Z",
  "domain_id" : "050*****************6d70a960",
  "tag_type" : 0
}

SDK Sample Code

The SDK sample code is as follows.

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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 ShowRepoTagSolution {

    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");

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

        SwrClient client = SwrClient.newBuilder()
                .withCredential(auth)
                .withRegion(SwrRegion.valueOf("<YOUR REGION>"))
                .build();
        ShowRepoTagRequest request = new ShowRepoTagRequest();
        request.withNamespace("{namespace}");
        request.withRepository("{repository}");
        request.withTag("{tag}");
        try {
            ShowRepoTagResponse response = client.showRepoTag(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());
        }
    }
}
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# 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"]

    credentials = BasicCredentials(ak, sk)

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

    try:
        request = ShowRepoTagRequest()
        request.namespace = "{namespace}"
        request.repository = "{repository}"
        request.tag = "{tag}"
        response = client.show_repo_tag(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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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")

    auth, err := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        SafeBuild()

    if err != nil {
        fmt.Println(err)
        return
    }

    hcClient, err := swr.SwrClientBuilder().
         WithRegion(region.ValueOf("<YOUR REGION>")).
         WithCredential(auth).
         SafeBuild()


    if err != nil {
        fmt.Println(err)
        return
    }

    client := swr.NewSwrClient(hcClient)

    request := &model.ShowRepoTagRequest{}
	request.Namespace = "{namespace}"
	request.Repository = "{repository}"
	request.Tag = "{tag}"
	response, err := client.ShowRepoTag(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

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

The details of the image with a specified tag have been queried.

400

Request error.

401

Authorization failed.

403

Access denied.

404

Resource not found.

500

Internal error.

Error Codes

See Error Codes.