Added aws auth

action.yml

@@ -82,6 +82,8 @@ runs:
         echo "terraform-version=$(atmos describe config -f json | jq -r '.integrations.github.gitops["terraform-version"]')" >> $GITHUB_OUTPUT        
         echo "group-by=$(atmos describe config -f json | jq -r '.integrations.github.gitops.matrix["group-by"]')" >> $GITHUB_OUTPUT
         echo "sort-by=$(atmos describe config -f json | jq -r '.integrations.github.gitops.matrix["sort-by"]')" >> $GITHUB_OUTPUT        
+        echo "aws-region=$(atmos describe config -f json | jq -r '.integrations.github.gitops["artifact-storage"].region')" >> $GITHUB_OUTPUT
+        echo "terraform-plan-role=$(atmos describe config -f json | jq -r '.integrations.github.gitops.role.plan')" >> $GITHUB_OUTPUT
 
     - name: Install Terraform
       if: ${{ steps.config.outputs.terraform-version != '' && steps.config.outputs.terraform-version != 'null' }}
@@ -99,6 +101,14 @@ runs:
           opentofu/opentofu: 
             tag: ${{ startsWith(steps.config.outputs.opentofu-version, 'v') && steps.config.outputs.opentofu-version || format('v{0}', steps.config.outputs.opentofu-version) }}
 
+    - name: Configure Plan AWS Credentials
+      uses: aws-actions/configure-aws-credentials@v4
+      with:
+        aws-region: ${{ steps.config.outputs.aws-region }}
+        role-to-assume: ${{ steps.config.outputs.terraform-plan-role }}
+        role-session-name: "atmos-terraform-plan-gitops"
+        mask-aws-account-id: "no"
+
     - name: Filter Components
       id: selected-components
       shell: bash