Rollback template

.github/workflows/rollback.yml

@@ -14,26 +14,43 @@ on:
         required: true
 
 jobs:
-  rollback:
+  remove-stack:
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Declare variables
+        shell: bash
+        run: |
+          echo "SHA_SHORT=$(git rev-parse --short "$GITHUB_SHA")" >> "$GITHUB_ENV"
+
       - name: Configure AWS credentials
+        id: creds
         uses: aws-actions/configure-aws-credentials@v1
         with:
           aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           aws-region: us-east-1
 
-      - name: Get stack name
+      - name: Remove stack on fail
         run: |
-          echo "SHA_SHORT=$(git rev-parse --short "$GITHUB_SHA")" >> "$GITHUB_ENV"
-          echo "FULL_STACK_NAME=${{ inputs.stack_name }}-${{ env.SHA_SHORT }}" >> "$GITHUB_ENV"
-
-      - name: Remove failed stack
-        run: |
-          if aws cloudformation describe-stacks --stack-name ${{ env.FULL_STACK_NAME }} >/dev/null 2>&1; then
-            aws cloudformation delete-stack --stack-name ${{ env.FULL_STACK_NAME }}
-            aws cloudformation wait stack-delete-complete --stack-name ${{ env.FULL_STACK_NAME }}
+          echo ${{ inputs.stack_name }}-${{ env.SHA_SHORT }}
+          # Get stack id for the delete_stack waiter
+          stack_info=$(aws cloudformation describe-stacks --stack-name ${{ inputs.stack_name }}-${{ env.SHA_SHORT }} --query "Stacks[*] | [0].StackId" 2>&1)
+          if echo $stack_info | grep 'does not exist' > /dev/null
+          then
+            echo "Stack does not exist."
+            echo $stack_info
+            exit 0
+          fi
+          if echo $stack_info | grep 'ValidationError' > /dev/null
+          then
+            echo $stack_info
+            exit 1
           else
-            echo "Stack ${{ env.FULL_STACK_NAME }} does not exist"
+            aws cloudformation delete-stack --stack-name ${{ inputs.stack_name }}-${{ env.SHA_SHORT }}
+            echo $stack_info
+            aws cloudformation wait stack-delete-complete --stack-name ${{ inputs.stack_name }}-${{ env.SHA_SHORT }}
+            exit 0
           fi