Long Running Instances Should Be Re-launched
More Info:
EC2 instance running indefinitely in your AWS your account could increase the risk of potential issues.Risk Level
InformationalAddress
Reliability, SecurityCompliance Standards
CBPTriage and Remediation
Remediation
Using Console
Using Console
To remediate the issue of long running instances in AWS using the AWS console, you can follow the below steps:
- Log in to your AWS Management Console.
- Go to the EC2 dashboard.
- Under the Instances section, select the instance that has been running for a long time.
- Stop the instance by right-clicking on it and selecting “Instance State” > “Stop”.
- Once the instance is stopped, right-click on it again and select “Instance Settings” > “Change Shutdown Behavior”.
- From the drop-down menu, select “Terminate”.
- Click “Apply” and then “Save”.
- Start a new instance with the same configuration as the terminated instance.
- Once the new instance is running, ensure that all the data and configurations from the old instance are properly transferred to the new instance.
- Finally, terminate the old instance to avoid any unnecessary charges.
Using CLI
Using CLI
To remediate the misconfiguration of long-running instances in AWS using AWS CLI, follow the steps below:
- Open the AWS CLI on your local machine or EC2 instance.
-
List all the instances that are currently running using the following command:
This command will list all the instances that are currently running in your AWS account.
- Identify the instances that have been running for a long time and need to be relaunched.
-
Stop the identified instances using the following command:
Replace
instance_idwith the ID of the instance that needs to be stopped. This command will stop the instance. -
Once the instance is stopped, launch a new instance using the same configuration as the stopped instance.
Replace the
image-id,instance-type,key-name,security-group-ids, andsubnet-idwith the same configuration as the stopped instance. This command will launch a new instance. -
Once the new instance is launched, terminate the old instance using the following command:
Replace
instance_idwith the ID of the stopped instance. This command will terminate the old instance. - Verify that the new instance is running and functioning properly.
Using Python
Using Python
To remediate the misconfiguration of long running instances in AWS using Python, you can follow these steps:
- Import the necessary AWS SDK modules in Python. For example, you can use the
boto3module.
- Create a session with AWS using the
boto3.Session()method.
- Use the
boto3.client()method to connect to the EC2 service.
- Use the
describe_instances()method to get a list of all running instances.
- Loop through the list of instances and use the
terminate_instances()method to terminate them.
- Alternatively, you can use the
stop_instances()method to stop the instances instead of terminating them.
- You can also add additional filters to the
describe_instances()method to target specific instances based on tags or other attributes.
- Finally, you can schedule this Python script to run periodically using a task scheduler or cron job to ensure that long running instances are always re-launched.