Scheduled Events for EC2 Instances
More Info:
There are EC2 instances scheduled for retirement and/or maintenance. Kindly take the necessary steps (reboot, restart or re-launch).Risk Level
LowAddress
SecurityCompliance Standards
CBPTriage and Remediation
Remediation
Using Console
Using Console
The following are the step-by-step instructions to remediate the “Scheduled Events for EC2 Instances” misconfiguration in AWS:
- Log in to the AWS Management Console.
- Go to the EC2 dashboard.
- Click on the “Instances” link in the left-hand navigation pane.
- Select the instance(s) that have scheduled events.
- Click on the “Actions” button and select “Instance Settings” from the dropdown menu.
- Click on “Modify Scheduled Events”.
- In the “Modify Scheduled Events” dialog box, select the scheduled event(s) that you want to modify or delete.
- To modify the event, update the details as desired and click “Save”. To delete the event, click “Delete”.
- Repeat steps 4-8 for any additional instances that have scheduled events.
Using CLI
Using CLI
Scheduled Events for EC2 Instances is a misconfiguration that occurs when there are scheduled events for EC2 instances that are not required or are outdated. These events can include instance retirement, system maintenance, and other events that can impact the availability of the instance.To remediate this misconfiguration for AWS using AWS CLI, follow these steps:
- Open the AWS CLI on your local machine or EC2 instance.
-
Run the following command to list all the scheduled events for your EC2 instances:
- Identify the scheduled events that are not required or are outdated.
-
To cancel a scheduled event, run the following command:
Replace
<instance-id>with the ID of the instance for which you want to cancel the scheduled event. Note: The--dry-runoption will simulate the command but will not make any changes. Remove this option to execute the command. -
To modify the scheduled event, run the following command:
Replace
<instance-id>with the ID of the instance for which you want to modify the scheduled event,<event-id>with the ID of the event, and<new-time>with the new time for the event. Note: The--dry-runoption will simulate the command but will not make any changes. Remove this option to execute the command. - Repeat steps 4 and 5 for all the scheduled events that need to be remediated.
- Verify that all the scheduled events have been remediated by running the command in step 2 again.
- Close the AWS CLI.
Using Python
Using Python
The following are the step by step instructions to remediate the “Scheduled Events for EC2 Instances” misconfiguration for AWS using Python:
- Import the necessary AWS SDK for Python (Boto3) modules:
- Initialize the EC2 client:
- Retrieve the list of EC2 instances using the
describe_instances()method:
- Loop through each instance and check if it has any scheduled events using the
describe_instance_status()method:
-
If the instance has any scheduled events, stop the instance using the
stop_instances()method. - Verify that the instance has been stopped successfully.