Help Center/ Elastic Volume Service/ API Reference/ API/ Tag Management/ Querying Details of EVS Disks by Tag
Updated on 2025-11-25 GMT+08:00

Querying Details of EVS Disks by Tag

Function

This API is used to query the details of EVS disks by tag.

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, no identity policy-based permission required for calling this API.

URI

POST /v2/{project_id}/cloudvolumes/resource_instances/action

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

The project ID. For details, see Obtaining a Project ID.

Constraints

N/A

Range

N/A

Default Value

N/A

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

The user token.

You can obtain it by calling the IAM API for obtaining a user token. The token is the value of X-Subject-Token in the response header.

Constraints

N/A

Range

N/A

Default Value

N/A

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

action

Yes

String

Definition

The operation identifier.

Constraints

N/A

Range

To query the details of disks by tag, use filter.

Default Value

N/A

limit

No

Integer

Definition

The maximum number of query records that can be returned.

Constraints

Minimum value: 1; Maximum value: 1000

Range

1–1000

Default Value

1000

matches

No

Array of Match objects

Definition

The search criteria supported by the resources.

Constraints

Tag keys in a tag list must be unique.

Range

N/A

Default Value

N/A

offset

No

Integer

Definition

The offset.

Constraints

This parameter is used together with *limit when you query EVS disks. Assume that there are 30 disks. If you set offset to 11 and limit to 10, the query starts from the twelfth disk. A maximum of 10 disks can be queried at a time.

Range

N/A

Default Value

N/A

tags

Yes

Array of TagsForListVolumes objects

Definition

The key-value pairs of tags.

Constraints

A tag list can contain a maximum of 10 keys. Tag keys in a tag list must be unique. When multiple keys are specified in a tag list, only the disks having all specified keys are queried.

Range

N/A

Default Value

N/A

Table 4 Match

Parameter

Mandatory

Type

Description

key

Yes

String

Definition

The tag key.

Constraints

N/A

Range

  • resource_name

  • service_type

Default Value

N/A

value

Yes

String

Definition

The tag value.

Constraints

It can contain up to 255 characters.

If resource_name is specified for key, the tag value uses fuzzy match.

Range

N/A

Default Value

N/A

Table 5 TagsForListVolumes

Parameter

Mandatory

Type

Description

key

Yes

String

Definition

The tag key.

Constraints

Tag keys of a resource must be unique.

A tag key can contain a maximum of 36 characters.

Range

Character set: A-Z, a-z, 0-9, hyphens (-), underscores (_), and Unicode characters (\u4E00-\u9FFF)

Default Value

N/A

values

Yes

Array of strings

Definition

The tag values.

Constraints

A tag list can contain a maximum of 10 values.

Tag values in a tag list must be unique.

If the value list is empty, any tag value is matched. When there are multiple values and the key requirements are met, disks that have any of the specified values are queried.

Range

Character set: A-Z, a-z, 0-9, periods (.), hyphens (-), underscores (_), and Unicode characters (\u4E00-\u9FFF)

Default Value

N/A

Response Parameters

Status code: 200

Table 6 Response body parameters

Parameter

Type

Description

total_count

Integer

Definition

The number of disks that meet the query criteria.

Range

N/A

resources

Array of Resource objects

Definition

The list of resources that meet the query criteria.

Range

N/A

Table 7 Resource

Parameter

Type

Description

resource_id

String

Definition

The resource ID.

Range

N/A

resource_name

String

Definition

The resource name.

Range

N/A

resource_detail

VolumeDetailForTag object

Definition

The resource details.

Range

N/A

tags

Array of Map<String,String> objects

Definition

The tag list.

Range

N/A

Table 8 VolumeDetailForTag

Parameter

Type

Description

id

String

Definition

The disk ID.

Range

N/A

links

Array of Link objects

Definition

The disk URI.

Range

N/A

name

String

Definition

The disk name.

Range

N/A

status

String

Definition

The disk status. For details, see EVS Disk Status.

Range

N/A

attachments

Array of Attachment objects

Definition

The disk attachment information.

Range

N/A

availability_zone

String

Definition

The AZ to which the disk belongs.

Range

N/A

os-vol-host-attr:host

String

Definition

The reserved field.

Range

N/A

source_volid

String

Definition

The source disk ID. This parameter has a value if the disk is created from a source disk.

This field is currently not supported.

Range

N/A

snapshot_id

String

Definition

The snapshot ID. This parameter has a value if the disk is created from a snapshot.

Range

N/A

description

String

Definition

The disk description.

Range

N/A

created_at

String

Definition

The time when the disk was created.

Range

Time format: UTC YYYY-MM-DDTHH:MM:SS.XXXXXX

os-vol-tenant-attr:tenant_id

String

Definition

The ID of the tenant to which the disk belongs. The tenant ID is the same as the project ID.

Range

N/A

volume_image_metadata

Map<String,Object>

Definition

The metadata of the disk image.

NOTE:
For details about the volume_image_metadata field, see Querying Image Details (Native OpenStack API).

Range

N/A

volume_type

String

Definition

The disk type.

Range

The value can be SSD, SAS, or SATA.

  • SSD: the ultra-high I/O type

  • SAS: the high I/O type

  • SATA: the common I/O type

size

Integer

Definition

The disk capacity, in GiB.

Range

N/A

consistencygroup_id

String

Definition

The reserved field.

Range

N/A

bootable

String

Definition

Whether the disk is bootable.

Range

true: The disk is bootable.

false: The disk is not bootable.

metadata

VolumeMetadata object

Definition

The disk metadata.

Range

N/A

updated_at

String

Definition

The time when the disk was updated.

Range

Time format: UTC YYYY-MM-DDTHH:MM:SS.XXXXXX

encrypted

Boolean

Definition

This field is currently not supported.

Range

N/A

replication_status

String

Definition

The reserved field.

Range

N/A

os-volume-replication:extended_status

String

Definition

The reserved field.

Range

N/A

os-vol-mig-status-attr:migstat

String

Definition

The reserved field.

Range

N/A

os-vol-mig-status-attr:name_id

String

Definition

The reserved field.

Range

N/A

shareable

Boolean

Definition

Whether the disk is shareable. This field has been deprecated. Use multiattach.

Range

  • true: shared disk

  • false: non-shared disk

user_id

String

Definition

The reserved field.

Range

N/A

service_type

String

Definition

The service type.

Range

  • EVS

  • DSS

  • DESS

multiattach

Boolean

Definition

Whether the disk is shareable.

Range

  • true: shared disk

  • false: non-shared disk

dedicated_storage_id

String

Definition

The ID of the dedicated storage pool housing the disk.

Range

N/A

dedicated_storage_name

String

Definition

The name of the dedicated storage pool housing the disk.

Range

N/A

tags

Map<String,String>

Definition

The disk tags.

This field has values if the disk has tags. Or, it is left empty.

Range

N/A

wwn

String

Definition

The unique identifier used when attaching the disk.

Range

N/A

enterprise_project_id

String

Definition

The ID of the enterprise project that the disk has been added to.

For details about enterprise projects and how to obtain enterprise project IDs, see Enterprise Center Overview.

Range

N/A

Table 10 Attachment

Parameter

Type

Description

attached_at

String

Definition

The time when the disk was attached.

Range

Time format: UTC YYYY-MM-DDTHH:MM:SS.XXXXXX

attachment_id

String

Definition

The attachment ID.

Range

N/A

device

String

Definition

The device name.

Range

N/A

host_name

String

Definition

The name of the physical host housing the cloud server to which the disk is attached.

Range

N/A

id

String

Definition

The ID of the attached disk.

Range

N/A

server_id

String

Definition

The ID of the server to which the disk is attached.

Range

N/A

volume_id

String

Definition

The disk ID.

Range

N/A

Table 11 VolumeMetadata

Parameter

Type

Description

__system__cmkid

String

Definition

The encryption CMK ID in metadata. This parameter is used together with __system__encrypted for encryption. The length of cmkid is fixed at 36 bytes.

For details about how to obtain the key ID, see Querying the Key List.

Range

N/A

__system__encrypted

String

Definition

The encryption field in metadata. The value can be 0 (no encryption) or 1 (encryption).

If this parameter is not specified, the encryption attribute of the disk is the same as that of the data source. If the disk is not created from a data source, the disk is not encrypted by default.

Range

  • 0: no encryption

  • 1: encryption

hw:passthrough

String

Definition

The disk device type.

Range

  • If this parameter value is true, the disk device type is SCSI, which allows ECS OSs to directly access the underlying storage media. SCSI reservation commands are supported.

  • If this parameter value is false, the disk device type is VBD (default device type), which supports only simple SCSI read/write commands.

  • If this parameter is not specified, the disk device type is VBD.

orderID

String

Definition

The parameter that describes the disk billing mode in metadata.

If this parameter has a value, the disk is billed on a yearly/monthly basis. If this parameter is not specified, the disk is billed on a pay-per-use basis.

Range

N/A

Status code: 400

Table 12 Response body parameters

Parameter

Type

Description

error

Error object

Definition

The error code returned if an error occurs. For details about the error code, see Error Codes.

Range

N/A

Table 13 Error

Parameter

Type

Description

code

String

Definition

The error code returned if an error occurs.

Range

For details about the error code, see Error Codes.

message

String

Definition

The error message returned if an error occurs.

Range

N/A

Example Requests

Querying details of disk shared01 using tags key_string,value_string and key_string02,value_string02 (The query starts from the tenth record. The number of records returned cannot exceed 100.)

POST https://{endpoint}/v2/{project_id}/cloudvolumes/resource_instances/action

{
  "offset" : 9,
  "limit" : 100,
  "action" : "filter",
  "tags" : [ {
    "key" : "key_string",
    "values" : [ "value_string" ]
  }, {
    "key" : "key_string02",
    "values" : [ "value_string02" ]
  } ],
  "matches" : [ {
    "key" : "resource_name",
    "value" : "shared01"
  }, {
    "key" : "service_type",
    "value" : "EVS"
  } ]
}

Example Responses

Status code: 200

OK

{
  "total_count" : 1,
  "resources" : [ {
    "resource_name" : "resource1",
    "resource_detail" : {
      "attachments" : [ {
        "server_id" : "2080869e-ba46-4ea5-b45e-3191ac0f1d54",
        "attachment_id" : "1335f039-7a42-4d1e-be49-ac584db0ba0b",
        "attached_at" : "2019-08-06T07:00:21.842812",
        "volume_id" : "7fa6b592-ac75-460d-a28a-bb17429d1eb2",
        "device" : "/dev/vda",
        "id" : "7fa6b592-ac75-460d-a28a-bb17429d1eb2"
      } ],
      "links" : [ {
        "href" : "https://volume.Region.dc1.domainname.com/v2/051375756c80d5eb2ff0c014498645fb/volumes/7fa6b592-ac75-460d-a28a-bb17429d1eb2",
        "rel" : "self"
      }, {
        "href" : "https://volume.Region.dc1.domainname.com/051375756c80d5eb2ff0c014498645fb/volumes/7fa6b592-ac75-460d-a28a-bb17429d1eb2",
        "rel" : "bookmark"
      } ],
      "availability_zone" : "kvmxen.dc1",
      "os-vol-host-attr:host" : "az21.dc1#2",
      "enterprise_project_id" : "0",
      "updated_at" : "2019-08-09T06:19:35.874737",
      "replication_status" : "disabled",
      "id" : "7fa6b592-ac75-460d-a28a-bb17429d1eb2",
      "size" : 40,
      "user_id" : "75f26e17348643bfb7718578b04635c2",
      "os-vol-tenant-attr:tenant_id" : "051375756c80d5eb2ff0c014498645fb",
      "service_type" : "EVS",
      "metadata" : { },
      "status" : "in-use",
      "volume_image_metadata" : {
        "size" : "0",
        "__quick_start" : "False",
        "container_format" : "bare",
        "min_ram" : "0",
        "image_name" : "test-hua-centos7.3-0725",
        "image_id" : "c6c153a6-dde8-4bac-8e40-3d7619436934",
        "__os_type" : "Linux",
        "min_disk" : "20",
        "__support_kvm" : "true",
        "virtual_env_type" : "FusionCompute",
        "__description" : "",
        "__os_version" : "CentOS 7.3 64bit",
        "__os_bit" : "64",
        "__image_source_type" : "uds",
        "__support_xen" : "true",
        "file_format" : "zvhd2",
        "checksum" : "d41d8cd98f00b204e9800998ecf8427e",
        "__imagetype" : "gold",
        "disk_format" : "zvhd2",
        "__image_cache_type" : "Not_Cache",
        "__isregistered" : "true",
        "__image_location" : "192.149.46.200:5443:pcsimssouthchina:c6c153a6-dde8-4bac-8e40-3d7619436934",
        "__image_size" : "911269888",
        "__platform" : "CentOS"
      },
      "description" : "",
      "multiattach" : false,
      "name" : "resource1",
      "bootable" : "true",
      "created_at" : "2019-08-06T06:59:03.056682",
      "volume_type" : "SAS",
      "shareable" : false
    },
    "tags" : [ {
      "key" : "key1",
      "value" : "value1"
    }, {
      "key" : "key1",
      "value" : "value2"
    } ],
    "resource_id" : "7fa6b592-ac75-460d-a28a-bb17429d1eb2"
  } ]
}

Status code: 400

Bad Request

{
  "error" : {
    "message" : "XXXX",
    "code" : "XXX"
  }
}

SDK Sample Code

The SDK sample code is as follows.

Java

Querying details of disk shared01 using tags key_string,value_string and key_string02,value_string02 (The query starts from the tenth record. The number of records returned cannot exceed 100.)

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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.evs.v2.region.EvsRegion;
import com.huaweicloud.sdk.evs.v2.*;
import com.huaweicloud.sdk.evs.v2.model.*;

import java.util.List;
import java.util.ArrayList;

public class ListVolumesByTagsSolution {

    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);

        EvsClient client = EvsClient.newBuilder()
                .withCredential(auth)
                .withRegion(EvsRegion.valueOf("<YOUR REGION>"))
                .build();
        ListVolumesByTagsRequest request = new ListVolumesByTagsRequest();
        ListVolumesByTagsRequestBody body = new ListVolumesByTagsRequestBody();
        List<String> listTagsValues = new ArrayList<>();
        listTagsValues.add("value_string02");
        List<String> listTagsValues1 = new ArrayList<>();
        listTagsValues1.add("value_string");
        List<TagsForListVolumes> listbodyTags = new ArrayList<>();
        listbodyTags.add(
            new TagsForListVolumes()
                .withKey("key_string")
                .withValues(listTagsValues1)
        );
        listbodyTags.add(
            new TagsForListVolumes()
                .withKey("key_string02")
                .withValues(listTagsValues)
        );
        List<Match> listbodyMatches = new ArrayList<>();
        listbodyMatches.add(
            new Match()
                .withKey(Match.KeyEnum.fromValue("resource_name"))
                .withValue("shared01")
        );
        listbodyMatches.add(
            new Match()
                .withKey(Match.KeyEnum.fromValue("service_type"))
                .withValue("EVS")
        );
        body.withTags(listbodyTags);
        body.withOffset(9);
        body.withMatches(listbodyMatches);
        body.withLimit(100);
        body.withAction(ListVolumesByTagsRequestBody.ActionEnum.fromValue("filter"));
        request.withBody(body);
        try {
            ListVolumesByTagsResponse response = client.listVolumesByTags(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

Querying details of disk shared01 using tags key_string,value_string and key_string02,value_string02 (The query starts from the tenth record. The number of records returned cannot exceed 100.)

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkevs.v2.region.evs_region import EvsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkevs.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 = EvsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(EvsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ListVolumesByTagsRequest()
        listValuesTags = [
            "value_string02"
        ]
        listValuesTags1 = [
            "value_string"
        ]
        listTagsbody = [
            TagsForListVolumes(
                key="key_string",
                values=listValuesTags1
            ),
            TagsForListVolumes(
                key="key_string02",
                values=listValuesTags
            )
        ]
        listMatchesbody = [
            Match(
                key="resource_name",
                value="shared01"
            ),
            Match(
                key="service_type",
                value="EVS"
            )
        ]
        request.body = ListVolumesByTagsRequestBody(
            tags=listTagsbody,
            offset=9,
            matches=listMatchesbody,
            limit=100,
            action="filter"
        )
        response = client.list_volumes_by_tags(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

Querying details of disk shared01 using tags key_string,value_string and key_string02,value_string02 (The query starts from the tenth record. The number of records returned cannot exceed 100.)

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    evs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/evs/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/evs/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/evs/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 := evs.NewEvsClient(
        evs.EvsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListVolumesByTagsRequest{}
	var listValuesTags = []string{
        "value_string02",
    }
	var listValuesTags1 = []string{
        "value_string",
    }
	var listTagsbody = []model.TagsForListVolumes{
        {
            Key: "key_string",
            Values: listValuesTags1,
        },
        {
            Key: "key_string02",
            Values: listValuesTags,
        },
    }
	var listMatchesbody = []model.Match{
        {
            Key: model.GetMatchKeyEnum().RESOURCE_NAME,
            Value: "shared01",
        },
        {
            Key: model.GetMatchKeyEnum().SERVICE_TYPE,
            Value: "EVS",
        },
    }
	offsetListVolumesByTagsRequestBody:= int32(9)
	limitListVolumesByTagsRequestBody:= int32(100)
	request.Body = &model.ListVolumesByTagsRequestBody{
		Tags: listTagsbody,
		Offset: &offsetListVolumesByTagsRequestBody,
		Matches: &listMatchesbody,
		Limit: &limitListVolumesByTagsRequestBody,
		Action: model.GetListVolumesByTagsRequestBodyActionEnum().FILTER,
	}
	response, err := client.ListVolumesByTags(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

OK

400

Bad Request

Error Codes

See Error Codes.