'how to stop our instance if idle for 30 min in aws cloud watch

I have setup aws cloud watch

Here is below detail set in our cloud watch

Metric name: CPUUtilization
Statistic: average
Period: 5 min
Threshold Type: Static
Whenever CPUUtilization is Lower/Equal then 10
Datapoints to alarm: 1 out of 1
Missing data treatment: Treat missing data as missing

EC2 action:

Alarm state trigger: In Alarm
Take the following action: stop this instance

After 5 min our server still does not stop with the cloud watch in aws.

amazon-cloudwatch cloudwatch-alarms

Solution 1:^[1]

You can use CloudWatch Events to trigger a Lambda that will perform the stop instance call on the ec2 instance.

Solution 2:^[2]

At Feb 2022 you have these options:

You can use Alarms to automate shutdown and terminate instances:

https://aws.amazon.com/blogs/aws-cloud-financial-management/launch-resource-optimization-recommendations/

You can view idle instances in CUR recommendations : https://aws.amazon.com/about-aws/whats-new/2013/01/08/use-amazon-cloudwatch-to-detect-and-shut-down-unused-amazon-ec2-instances/

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution	Source
Solution 1	Raul Barreto
Solution 2	Impermanence