Description

The Attach IAM Role to EC2 Instances action can be used to attach an IAM role to one or more EC2 instances.

Settings

Please see Common Action Settings for a description of settings common to all action types.

Instance Identification Method

Indicates the method in which instances will be selected. Possible options include:

  • All Instances - All instances will be selected
  • Instance ID - Instances with the specified IDs will be selected
  • Instance Name - Instances with the specified 'Name' tag value will be selected
  • Resource Tag - Instances with the specified resource tag value will be selected

Instance IDs

Indicate the list of instance IDs of your EC2 instances. Instance IDs usually looks like "i-84a3dc7b". All instances must reside in the region specified.

Multiple instances can be added by clicking "Add many instances". In the dialog that appears, enter a space-, comma-, or line-seperated list of instance IDs.

Instance Name

Indicates the value of the 'Name' tag to match when selecting instances.

Resource Tag Name

Indicates the resource tag name to use when selecting instances.

Resource Tag Value

Indicates the resource tag value to compare when selecting instances.

IAM Role Name

Name of the IAM role to be added to the EC2 instances.

Amazon Commands Used

The following Amazon AWS commands are used. The access key should have permission to execute all of them.

  • ec2:AssociateIamInstanceProfile
  • ec2:DescribeIamInstanceProfileAssociations
  • ec2:DescribeInstances
  • iam:ListRoles
  • iam:ListInstanceProfilesForRole
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