Updated on 2025-12-31 GMT+08:00

Querying a Trace List

Function

This API is used to query records of operations on resources in the last seven days.

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

    cts:trace:list

    List

    -

    -

    -

    -

URI

GET /v3/{project_id}/traces

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details, see Obtaining an Account ID and Project ID.

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

trace_type

Yes

String

Trace type.

The value can be system (management trace) or data (data trace).

The default value is system.

from

No

Long

UTC millisecond timestamp of the query start time. The value contains 13 numbers and the default value is the timestamp of the last hour. Traces generated after the specified timestamp will be queried. The parameters from and to should be used together.

next

No

String

This parameter is used to query traces generated earlier than its specified value. The value can be that of marker in the response.

next can be used with from and to.

Traces generated in the overlap of the two time ranges specified respectively by next and by from and to will be returned.

to

No

Long

UTC millisecond timestamp of the query end time. The value contains 13 numbers and the default value is the timestamp of the current time. Traces generated before the specified timestamp will be queried. The parameters to and from should be used together.

tracker_name

No

String

When trace_type is set to system, the value of this parameter is system.

When trace_type is set to data, set this parameter to the name of a data tracker to query the traces recorded by this tracker.

service_type

No

String

Cloud service on which the recorded operation was performed. The value must be the acronym of a cloud service that has been connected with CTS. It is a word composed of uppercase letters.

This parameter is valid only when trace_type is set to system.

For cloud services that are connected with CTS, see section "Supported Services and Operations" in the Cloud Trace Service User Guide.

user

No

String

Name of a user whose traces are to be queried.

This parameter is valid only when trace_type is set to system.

resource_name

No

String

Name of a resource whose traces are to be queried.

This parameter is valid only when trace_type is set to system.

The value can contain uppercase letters.

resource_type

No

String

Type of a resource whose traces are to be queried.

This parameter is valid only when trace_type is set to system.

resource_id

No

String

ID of a cloud resource whose traces are to be queried.

This parameter is valid only when trace_type is set to system.

limit

No

Integer

Maximum number of traces returned in the trace list. The default value is 10 and the maximum value is 200.

trace_id

No

String

Trace ID. If this parameter is specified, other query criteria will not take effect.

This parameter is valid only when trace_type is set to system.

trace_name

No

String

Trace name.

This parameter is valid only when trace_type is set to system.

The value can contain uppercase letters.

trace_rating

No

String

Trace status. The value can be normal, warning, or incident.

This parameter is valid only when trace_type is set to system.

access_key_id

No

String

ID of the access key used to query traces. It contains temporary access credentials and permanent access keys.

enterprise_project_id

No

String

ID of an enterprise project whose traces are to be queried.

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

traces

Array of Traces objects

Returned list of traces.

meta_data

MetaData object

Number of returned traces and the marker.

Table 4 Traces

Parameter

Type

Description

resource_id

String

ID of the cloud resource on which the recorded operation was performed.

trace_name

String

Trace name. The value contains 1 to 64 characters and must start with a letter. Only letters, numbers, hyphens (-), underscores (_), and periods (.) are allowed.

trace_rating

String

Trace status. The value can be normal, warning, or incident.

trace_type

String

Trace source. For management traces, the value can be ApiCall, ConsoleAction, or SystemAction.For data traces, the value can be ObsSDK or ObsAPI.

request

String

Request body of the recorded operation.

response

String

Response body of the recorded operation.

code

String

Returned HTTP status code of the recorded operation.

api_version

String

Version of the API called in the trace.

message

String

Remarks added by other cloud services to the trace.

record_time

Long

Timestamp when a trace was recorded by CTS.

trace_id

String

Trace ID. The value is the UUID generated by the system.

time

Long

Timestamp when a trace was generated.

user

UserInfo object

Information of the user who performed the operation that triggered the trace.

service_type

String

Cloud service on which the recorded operation was performed. The value must be the acronym of a cloud service that has been connected with CTS. It is a word composed of uppercase letters.

resource_type

String

Type of the resource on which the recorded operation was performed.

source_ip

String

IP address of the tenant who performed the operation that triggered the trace.

resource_name

String

Name of the resource on which the recorded operation was performed.

request_id

String

ID of the request of the recorded operation.

location_info

String

Information required for fault locating after a request error occurred.

endpoint

String

Endpoint in the details page URL of the cloud resource on which the recorded operation was performed.

resource_url

String

Details page URL (excluding the endpoint) of the cloud resource on which the recorded operation was performed.

enterprise_project_id

String

ID of the enterprise project to which the resource belongs.

resource_account_id

String

ID of the account to which the resource belongs. This parameter has a value only when resources are operated across tenants.

read_only

Boolean

Whether a user request is read-only.

operation_id

String

Operation ID of the trace.

Table 5 UserInfo

Parameter

Type

Description

id

String

User ID. For details, see section "Obtaining an Account ID and Project ID" in Cloud Trace Service API Reference.

name

String

Username.

user_name

String

Username.

domain

BaseUser object

Domain information of the user who performed the operation that triggered the trace.

account_id

String

Account ID. For details, see section "Obtaining an Account ID and Project ID" in Cloud Trace Service API Reference.

access_key_id

String

Access key ID.

principal_urn

String

URN of the operator.

  • For an IAM user, the format is iam::<account-id>:user:<user-name>.

  • For an IAM assumed-agency session identity, the format is sts::<account-id>:assumed-agency:<agency-name>/<agency-session-name>.

  • For an IAM federated identity, the format is sts::<account-id>:external-user:<idp_id>/<user-session-name>.

principal_id

String

Identity ID of the operator.

  • For an IAM user, the format is <user-id>.

  • For an IAM assumed-agency session identity, the format is <agency-id>:<agency-session-name>.

  • For an IAM federated identity, the format is <idp_id>:<user-session-name>.

principal_is_root_user

String

Whether the operator is a root user.

  • true: The operator is a root user.

  • false: The operator is an IAM assumed-agency session identity, federated identity, or IAM user who is not a root user.

type

String

Operator identity type.

invoked_by

Array of strings

Name of the service that sends the request. For operations on the console, the value is ["service.console"].

session_context

SessionContext object

Temporary security credential attribute.

Table 6 BaseUser

Parameter

Type

Description

id

String

Account ID. For details, see section "Obtaining the Account ID and Project ID" in Cloud Trace Service API Reference.

name

String

Account name.

Table 7 SessionContext

Parameter

Type

Description

attributes

Attributes object

Temporary security credential attribute.

Table 8 Attributes

Parameter

Type

Description

created_at

String

Timestamp when a temporary security credential was issued. The value is a 13-digit UTC time in milliseconds.

mfa_authenticated

String

Whether MFA identity authentication has been passed.

Table 9 MetaData

Parameter

Type

Description

count

Integer

Number of returned traces.

marker

String

ID of the last trace returned. The value of this parameter can be used as the value of next. If the value of marker is null, all traces have been returned under the specified query criteria.

Status code: 400

Table 10 Response body parameters

Parameter

Type

Description

error_code

String

Error code. Format: CTS.XXX.

error_msg

String

Error message.

Status code: 401

Table 11 Response body parameters

Parameter

Type

Description

error_code

String

Error code. Format: CTS.XXX.

error_msg

String

Error message.

Status code: 403

Table 12 Response body parameters

Parameter

Type

Description

error_code

String

Error code. Format: CTS.XXX.

error_msg

String

Error message.

Status code: 404

Table 13 Response body parameters

Parameter

Type

Description

error_code

String

Error code. Format: CTS.XXX.

error_msg

String

Error message.

Status code: 500

Table 14 Response body parameters

Parameter

Type

Description

error_code

String

Error code. Format: CTS.XXX.

error_msg

String

Error message.

Status code: 503

Table 15 Response body parameters

Parameter

Type

Description

error_code

String

Error code. Format: CTS.XXX.

error_msg

String

Error message.

Example Requests

  • Querying management traces

    GET https://{endpoint}/v3/{project_id}/traces?limit=11&to=1479095278000&from=1478490478000&trace_name=createTracker&resource_type=tracker&service_type=CTS&trace_type=system
  • Querying data traces

    GET https://{endpoint}/v3/{project_id}/traces?limit=11&to=1479095278000&from=1478490478000&trace_type=data

Example Responses

Status code: 200

The request is successful.

{
  "traces" : [ {
    "request" : "",
    "code" : "204",
    "source_ip" : "192.168.0.92",
    "trace_type" : "ConsoleAction",
    "read_only" : false,
    "operation_id" : "DeletePublicip",
    "trace_id" : "9650eb5a-f57c-11ef-8503-ef3069828c92",
    "trace_name" : "deleteEip",
    "resource_type" : "publicip",
    "trace_rating" : "normal",
    "api_version" : "v3",
    "message" : "",
    "service_type" : "EIP",
    "response" : "",
    "resource_id" : "3224b58b-fca5-4902-a2a3-05757f29da22",
    "resource_account_id" : "230657***34fcd9",
    "time" : 1740710091805,
    "resource_name" : "-",
    "request_id" : "4eb208ad0b84115d2825c1f1b4482ff1",
    "user" : {
      "access_key_id" : "HSTAM5***37Z39R",
      "invoked_by" : [ "service.console" ],
      "account_id" : "230657***34fcd9",
      "user_name" : "test",
      "domain" : {
        "name" : "paas_cts_z00418070_01",
        "id" : "230657***34fcd9"
      },
      "name" : "test",
      "session_context" : {
        "attributes" : {
          "created_at" : "1740710036558",
          "mfa_authenticated" : "false"
        }
      },
      "principal_is_root_user" : "false",
      "id" : "969ba3***28d3d0",
      "principal_urn" : "iam::230657***34fcd9:user:test",
      "type" : "User",
      "principal_id" : "969ba3***28d3d0"
    },
    "record_time" : 1740710091805
  }, {
    "request" : "tag_types=predefine&domainId=230657***34fcd9",
    "trace_id" : "7f64160a-f57c-11ef-8503-ef3069828c92",
    "code" : "200",
    "trace_name" : "getResourceTags",
    "resource_type" : "tags",
    "trace_rating" : "normal",
    "api_version" : "1.0",
    "source_ip" : "10.63.127.2",
    "trace_type" : "ConsoleAction",
    "service_type" : "TMS",
    "read_only" : true,
    "operation_id" : "GetResourceTags",
    "resource_account_id" : "230657***34fcd9",
    "time" : 1740710053352,
    "user" : {
      "access_key_id" : "HSTAM5***37Z39R",
      "invoked_by" : [ "service.console" ],
      "account_id" : "230657***34fcd9",
      "user_name" : "test",
      "domain" : {
        "name" : "paas_cts_z00418070_01",
        "id" : "230657***34fcd9"
      },
      "name" : "test",
      "session_context" : {
        "attributes" : {
          "created_at" : "1740710036558",
          "mfa_authenticated" : "false"
        }
      },
      "principal_is_root_user" : "false",
      "id" : "969ba3***28d3d0",
      "principal_urn" : "iam::230657***34fcd9:user:test",
      "type" : "User",
      "principal_id" : "969ba3***28d3d0"
    },
    "record_time" : 1740710053352
  } ],
  "meta_data" : {
    "count" : 2
  }
}

SDK Sample Code

The SDK sample code is as follows.

Java

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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.cts.v3.region.CtsRegion;
import com.huaweicloud.sdk.cts.v3.*;
import com.huaweicloud.sdk.cts.v3.model.*;


public class ListTracesSolution {

    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);

        CtsClient client = CtsClient.newBuilder()
                .withCredential(auth)
                .withRegion(CtsRegion.valueOf("<YOUR REGION>"))
                .build();
        ListTracesRequest request = new ListTracesRequest();
        try {
            ListTracesResponse response = client.listTraces(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

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkcts.v3.region.cts_region import CtsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkcts.v3 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 = CtsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(CtsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ListTracesRequest()
        response = client.list_traces(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

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package main

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

    request := &model.ListTracesRequest{}
	response, err := client.ListTraces(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

The request is successful.

400

The query parameters are abnormal.

401

The request is rejected due to authentication failure.

403

The server understood the request but refused to authorize it.

404

The requested trace does not exist.

500

The server has received the request but encountered an internal error.

503

The requested service is unavailable. The client should not repeat the request without modifications.

Error Codes

See Error Codes.