Add GitHub Actions workflow to validate blueprint structure and meta.json

.github/workflows/validate.yml

@@ -0,0 +1,101 @@
+name: Validate Blueprints Structure and Meta
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Validate blueprint folders
+        run: |
+          echo "🔍 Validating blueprints folder structure..."
+
+          ERROR=0
+
+          # Loop through each blueprint folder
+          for dir in blueprints/*; do
+            if [ -d "$dir" ]; then
+              TEMPLATE_NAME=$(basename "$dir")
+
+              COMPOSE_FILE="$dir/docker-compose.yml"
+              TEMPLATE_FILE="$dir/template.yml"
+
+              if [ ! -f "$COMPOSE_FILE" ]; then
+                echo "❌ Missing docker-compose.yml in $TEMPLATE_NAME"
+                ERROR=1
+              fi
+
+              if [ ! -f "$TEMPLATE_FILE" ]; then
+                echo "❌ Missing template.yml in $TEMPLATE_NAME"
+                ERROR=1
+              fi
+            fi
+          done
+
+          if [ $ERROR -eq 1 ]; then
+            echo "❌ Blueprint folder validation failed."
+            exit 1
+          else
+            echo "✅ Blueprint folders validated successfully."
+          fi
+
+      - name: Validate meta.json matches blueprint folders
+        run: |
+          echo "🔍 Validating meta.json against blueprint folders..."
+
+          ERROR=0
+
+          # Read all blueprint folder names into an array
+          FOLDERS=($(ls -1 blueprints))
+
+          # Extract ids from meta.json
+          META_IDS=$(jq -r '.[].id' meta.json)
+
+          # Validate each id in meta.json exists as a folder
+          for ID in $META_IDS; do
+            FOUND=0
+            for FOLDER in "${FOLDERS[@]}"; do
+              if [ "$ID" == "$FOLDER" ]; then
+                FOUND=1
+                break
+              fi
+            done
+
+            if [ "$FOUND" -eq 0 ]; then
+              echo "❌ meta.json id \"$ID\" does not match any folder in blueprints/"
+              ERROR=1
+            fi
+          done
+
+          # Validate each folder has an entry in meta.json
+          for FOLDER in "${FOLDERS[@]}"; do
+            FOUND=0
+            for ID in $META_IDS; do
+              if [ "$FOLDER" == "$ID" ]; then
+                FOUND=1
+                break
+              fi
+            done
+
+            if [ "$FOUND" -eq 0 ]; then
+              echo "❌ Folder \"$FOLDER\" has no matching id in meta.json"
+              ERROR=1
+            fi
+          done
+
+          if [ $ERROR -eq 1 ]; then
+            echo "❌ meta.json validation failed."
+            exit 1
+          else
+            echo "✅ meta.json validated successfully."
+          fi