Updated on 2024-06-28 GMT+08:00

Querying a Threshold Rule

Function

This API is used to query a threshold rule.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{project_id}/alarm-rules/{alarm_rule_id}

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID obtained from IAM. Generally, a project ID contains 32 characters.

alarm_rule_id

Yes

String

Threshold rule ID.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token obtained from IAM.

Content-Type

Yes

String

Content type, which is application/json.

Enumeration values:

  • application/json

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

meta_data

MetaData object

Metadata, including pagination information.

thresholds

Array of QueryAlarmResult objects

Threshold rule list.

Table 4 MetaData

Parameter

Type

Description

count

Integer

Number of returned records.

start

String

Start of the next page, which is used for pagination. null: No more data.

total

Integer

Total number of records.

Table 5 QueryAlarmResult

Parameter

Type

Description

action_enabled

Boolean

Whether to enable notification.

alarm_actions

Array of strings

List of alarm notifications.

alarm_advice

String

Alarm clearance suggestion.

alarm_description

String

Threshold rule description.

alarm_level

String

Alarm severity.

alarm_rule_id

String

Threshold rule ID.

alarm_rule_name

String

Threshold rule name.

comparison_operator

String

Comparison operator.

dimensions

Array of Dimension objects

List of time series dimensions.

evaluation_periods

Integer

Interval.

id_turn_on

Boolean

Whether to enable the threshold rule.

insufficient_data_actions

Array of strings

List of insufficient data notifications.

metric_name

String

Time series name.

namespace

String

Time series objects' namespace.

ok_actions

Array of strings

List of normal status notifications.

period

Integer

Statistical period.

policy_name

String

Threshold rule name.

resources

Array of strings

Resource information (discarded).

state_reason

String

Cause description.

state_updated_timestamp

String

Time when the status was updated.

state_value

String

Service status.

statistic

String

Statistic.

threshold

String

Threshold value.

type

String

Threshold rule type.

unit

String

Threshold unit.

Table 6 Dimension

Parameter

Type

Description

name

String

Dimension name.

value

String

Dimension value.

Status code: 400

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

error_type

String

Error type.

trace_id

String

Trace ID, which is used to search for logs and locate faults. If 2xx is returned, trace_id is empty. If 4xx, trace_id is not empty.

Example Requests

Obtain the details about the alarm rule whose ID is alarm_rule_id.

https://{Endpoint}/v2/{project_id}/alarm-rules/{alarm_rule_id}

Example Responses

Status code: 200

OK: The request is successful.

{
  "meta_data" : {
    "count" : 1,
    "start" : null,
    "total" : 1
  },
  "thresholds" : [ {
    "action_enabled" : false,
    "alarm_actions" : null,
    "alarm_advice" : null,
    "alarm_description" : null,
    "alarm_level" : "3",
    "alarm_rule_id" : 2137,
    "alarm_rule_name" : "aom_rule",
    "comparison_operator" : ">=",
    "dimensions" : [ {
      "name" : "appName"
    }, {
      "value" : "rhm-broker"
    } ],
    "evaluation_periods" : 1,
    "id_turn_on" : true,
    "insufficient_data_actions" : null,
    "metric_name" : "cpuCoreLimit",
    "namespace" : "PAAS.CONTAINER",
    "ok_actions" : null,
    "period" : 60000,
    "policy_name" : "23,",
    "resources" : [ ],
    "state_reason" : null,
    "state_updated_timestamp" : null,
    "statistic" : "average",
    "threshold" : 0,
    "type" : "single,",
    "unit" : "Core"
  } ]
}

Status code: 400

Bad Request: The request is invalid. The client should not repeat the request without modifications.

{
  "error_code" : "AOM.02004115",
  "error_msg" : "Invalid request parameter",
  "error_type" : "BAD_REQUEST",
  "trace_id" : ""
}

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.aom.v2.region.AomRegion;
import com.huaweicloud.sdk.aom.v2.*;
import com.huaweicloud.sdk.aom.v2.model.*;


public class ShowAlarmRuleSolution {

    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);

        AomClient client = AomClient.newBuilder()
                .withCredential(auth)
                .withRegion(AomRegion.valueOf("<YOUR REGION>"))
                .build();
        ShowAlarmRuleRequest request = new ShowAlarmRuleRequest();
        try {
            ShowAlarmRuleResponse response = client.showAlarmRule(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 huaweicloudsdkaom.v2.region.aom_region import AomRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkaom.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 = AomClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(AomRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ShowAlarmRuleRequest()
        response = client.show_alarm_rule(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"
    aom "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/aom/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/aom/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/aom/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 := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        Build()

    client := aom.NewAomClient(
        aom.AomClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ShowAlarmRuleRequest{}
	response, err := client.ShowAlarmRule(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: The request is successful.

400

Bad Request: The request is invalid. The client should not repeat the request without modifications.

401

Unauthorized: The authentication information is incorrect or invalid.

403

Forbidden: The request is rejected. The server has received the request and understood it, but the server refuses to respond to it. The client should not repeat the request without modifications.

500

Internal Server Error: The server is able to receive the request but unable to understand the request.

503

Service Unavailable: The requested service is invalid. The client should not repeat the request without modifications.

Error Codes

See Error Codes.