Github Action - Describe Cloudformation Changeset

An action to describe the CloudFormation change in the Pull Request.

The DevOps team uses this extensively in the bootstrapper and devops-eks-cluster repos.

Usage

- uses: actions/checkout@v2
- uses: FranzDiebold/[email protected]

- name: Configure dev AWS credentials
  uses: aws-actions/configure-aws-credentials@v1
  with:
    aws-access-key-id: ${{ secrets.DEVOPS_DEV_AWS_ACCESS_KEY_ID }}
    aws-secret-access-key: ${{ secrets.DEVOPS_DEV_AWS_SECRET_ACCESS_KEY }}
    aws-region: us-west-2

- name: Create bootstrapper-kms-keys changeset
  id: bootstrapper-kms-keys
  uses: GuildEducationInc/devops-describe-cfn-changeset@main
  with:
    stack_name: bootstrapper-kms-keys
    template_body: shared/kms-keys.yaml
    parameters: >-
      ParameterKey=Environment,UsePreviousValue=true

- name: Post changeset to PR as a comment
  uses: thollander/actions-comment-pull-request@master
  with:
    message: ${{ steps.bootstrapper-kms-keys.outputs.result }}
    GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Env Vars

• stack_name: Cloudformation stack name to apply change (required)
• template_body: CloudFormation template file path (required)