Add an IAM Role to a Project - AWS CodeStar

Add an IAM Role to a Project

As of December 6, 2018 PDT you can define your own roles and polices in the application stack (template.yml). To mitigate risks of privilege escalation and destructive actions, you are required to set the project-specific permissions boundary for every IAM entity you create. If you have a Lambda project with multiple functions, it is a best practice to create an IAM role for each function.

To add an IAM role to your project

  1. Edit the template.yml file for your project.

  2. In the Resources: section, add your IAM resource, using the format in the following example:

    SampleRole: Description: Sample Lambda role Type: AWS::IAM::Role Properties: AssumeRolePolicyDocument: Statement: - Effect: Allow Principal: Service: [] Action: sts:AssumeRole ManagedPolicyArns: - arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole PermissionsBoundary: !Sub 'arn:${AWS::Partition}:iam::${AWS::AccountId}:policy/CodeStar_${ProjectId}_PermissionsBoundary'
  3. Release your changes through the pipeline and verify success.