AWS-QuarantineEC2Instance - Amazon Systems Manager Automation runbook reference
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AWS-QuarantineEC2Instance

Description

With the AWS-QuarantineEC2Instance runbook, you can assign a security group to an Amazon Elastic Compute Cloud (Amazon EC2) instance that doesn't allow any inbound or outbound traffic.

Important

Changes to the RDP settings should be carefully reviewed before running this runbook.

Run this Automation (console)

Document type

Automation

Owner

Amazon

Platforms

Linux, macOS, Windows

Parameters

  • AutomationAssumeRole

    Type: String

    Description: (Optional) The Amazon Resource Name (ARN) of the Amazon Identity and Access Management (IAM) role that allows Systems Manager Automation to perform the actions on your behalf. If no role is specified, Systems Manager Automation uses the permissions of the user that starts this runbook.

  • InstanceId

    Type: String

    Description: (Required) The ID of the managed instance to manage the RDP settings of.

  • IsolationSecurityGroup

    Type: String

    Description: (Required) The name of the security group that you want to assign to the instance to prevent inbound or outbound traffic.

Required IAM permissions

The AutomationAssumeRole parameter requires the following actions to use the runbook successfully.

  • autoscaling:DescribeAutoScalingInstances

  • autoscaling:DetachInstances

  • ec2:CreateSecurityGroup

  • ec2:CreateSnapshot

  • ec2:DescribeInstances

  • ec2:DescribeSecurityGroups

  • ec2:DescribeSnapshots

  • ec2:ModifyInstanceAttribute

  • ec2:RevokeSecurityGroupEgress

  • ec2:RevokeSecurityGroupIngress

Document Steps

  • aws:executeAwsApi - Gathers details about the instance.

  • aws:executeScript - Verifies the instance isn't part of an Auto Scaling group.

  • aws:executeAwsApi - Creates a snapshot of the root volume attached to the instance.

  • aws:waitForAwsResourceProperty - Waits for the snapshot state to be completed.

  • aws:executeAwsApi - Assigns the security group specified in the IsolationSecurityGroup parameter to your instance.

Outputs

GetEC2InstanceResources.RevokedSecurityGroupsIds

GetEC2InstanceResources.RevokedSecurityGroupsNames

createSnapshot.SnapId