This example disables an Amazon CloudWatch alarm.

go run DisableAlarmv2.go -a ALARM-NAME

  • ALARM-NAME is the name of the alarm to disable.

The unit test accepts a similar value in config.json.

Source code

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX - License - Identifier: Apache - 2.0
package main

import (


// CWDisableAlarmAPI defines the interface for the DisableAlarmActions function.
// We use this interface to test the function using a mocked service.
type CWDisableAlarmAPI interface {
	DisableAlarmActions(ctx context.Context,
		params *cloudwatch.DisableAlarmActionsInput,
		optFns ...func(*cloudwatch.Options)) (*cloudwatch.DisableAlarmActionsOutput, error)

// DisableAlarm disables an Amazon CloudWatch alarm
// Inputs:
//     c is the context of the method call, which includes the Region
//     api is the interface that defines the method call
//     input defines the input arguments to the service call.
// Output:
//     If success, a DisableAlarmActionsOutput object containing the result of the service call and nil
//     Otherwise, nil and the error from the call to DisableAlarmActions
func DisableAlarm(c context.Context, api CWDisableAlarmAPI, input *cloudwatch.DisableAlarmActionsInput) (*cloudwatch.DisableAlarmActionsOutput, error) {
	return api.DisableAlarmActions(c, input)

func main() {
	alarmName := flag.String("a", "", "The name of the alarm to disable")

	if *alarmName == "" {
		fmt.Println("You must supply an alarm name to disable")

	cfg, err := config.LoadDefaultConfig(context.TODO())
	if err != nil {
		panic("configuration error, " + err.Error())

	client := cloudwatch.NewFromConfig(cfg)

	input := &cloudwatch.DisableAlarmActionsInput{
		AlarmNames: []string{

	_, err = DisableAlarm(context.TODO(), client, input)
	if err != nil {
		fmt.Println("Could not disable alarm " + *alarmName)
	} else {
		fmt.Println("Disabled alarm " + *alarmName)

See the complete example in GitHub.