Support building from forks (#299)

.github/workflows/check.yml

@@ -0,0 +1,21 @@
+name: "Check Terraform Scripts"
+
+on:
+  pull_request:
+    branches:
+      - main
+    paths:
+      - 'terraform-scripts/**'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  terraform_only_check:
+    name: Check for Terraform Scripts only change
+    runs-on: ubuntu-latest
+    steps:
+      - name: Fail if owner is not quarkiverse
+        if: github.repository_owner != 'quarkiverse'
+        run: exit 1

.github/workflows/terraform.yml

@@ -1,37 +1,20 @@
 name: "Terraform"
 
 on:
-  pull_request:
-    branches:
-      - main
-
+  workflow_run:
+    workflows: [ "Check Terraform Scripts" ]
+    types:
+      - completed
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
-  terraform_only_check:
-    if: github.repository_owner == 'quarkiverse'
-    name: Check for Terraform Scripts only change
-    outputs:
-      tf_only: ${{ steps.files.outputs.any_changed == 'true' || steps.files.outputs.any_deleted == 'true' }}
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out code
-        uses: actions/checkout@v4
-
-      - id: files
-        name: Get changed files
-        uses: tj-actions/changed-files@v42
-        with:
-          files: terraform-scripts/**
-
   terraform:
     name: "Terraform"
     runs-on: ubuntu-latest
-    if: (github.repository_owner == 'quarkiverse') && (needs.terraform_only_check.outputs.tf_only == 'true')
-    needs:
-      - terraform_only_check
+    if: (github.repository_owner == 'quarkiverse')
     defaults:
       run:
         working-directory: ./terraform-scripts

terraform-scripts/README.md

@@ -20,7 +20,7 @@ IMPORTANT: Because the VCS is the single source of truth, you can't apply terraf
 
 New repositories are submitted via Pull Requests to the root directory in this repository.
 
-IMPORTANT: The branch must be created in the same repository, it won't work in a separate fork (`@quarkiverse/quarkiverse-members` should be able to create new branches here)
+IMPORTANT: `@quarkiverse/quarkiverse-members` should be able to create new branches here. Non-members need to fork the repository and submit a PR from the fork.
 
 1. Add a new `.tf` script in the `terraform-scripts/` directory with the following structure: