CI: build artifacts on tag/release event (OpenEMS#2332)

* create seprate release action
* change to push event

Author: da-Kai

.github/workflows/build.yml

@@ -66,22 +66,6 @@ jobs:
           name: jacoco_report
           path: jacoco/
 
-      #
-      # Is this a Tag? Prepare release assets
-      #
-      - name: Prepare Edge+Backend assets
-        if: startsWith(github.ref, 'refs/tags/')
-        run: ./gradlew buildEdge buildBackend
-
-      - name: Save build-artifacts
-        if: startsWith(github.ref, 'refs/tags/')
-        uses: actions/upload-artifact@v3
-        with:
-          name: build-artifacts
-          path: |
-            build/openems-edge.jar
-            build/openems-backend.jar
-
   build-ui:
     runs-on: ubuntu-latest
     steps:
@@ -110,44 +94,4 @@ jobs:
           node_modules/.bin/ng build -c "openems,openems-edge-prod,prod"
           node_modules/.bin/ng lint
           export CHROME_BIN=/usr/bin/google-chrome-stable
-          npm run test -- --no-watch --no-progress --browsers=ChromeHeadlessCI
-
-      #
-      # Is this a Tag? Prepare release assets
-      #
-      - name: Prepare UI asset
-        if: startsWith(github.ref, 'refs/tags/')
-        run: |
-          mkdir build
-          cd ui/target
-          zip -r ../../build/openems-ui.zip ./*
-
-      - name: Save build-artifacts
-        if: startsWith(github.ref, 'refs/tags/')
-        uses: actions/upload-artifact@v3
-        with:
-          name: build-artifacts
-          path: build/openems-ui.zip
-
-  #
-  # Is this a Tag? Create a draft release
-  #
-  release:
-    runs-on: ubuntu-latest
-    needs: [build-java, build-ui]
-    if: startsWith(github.ref, 'refs/tags/')
-    steps:
-      - name: Load build-artifacts
-        uses: actions/download-artifact@v3
-        with:
-          name: build-artifacts
-          path: build
-
-      - name: Create draft Release
-        uses: softprops/action-gh-release@v1
-        with:
-          draft: true
-          files: |
-            build/openems-edge.jar
-            build/openems-backend.jar
-            build/openems-ui.zip
+          npm run test -- --no-watch --no-progress --browsers=ChromeHeadlessCI

.github/workflows/release.yml

@@ -0,0 +1,96 @@
+name: Prepare OpenEMS Release
+
+on:
+  push:
+    tags:
+      - "*.*.*"
+  
+jobs:
+  build-java:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Java 17
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+          cache: gradle
+
+      - uses: kiancross/checkstyle-annotations-action@v1
+
+      - name: Validate BackendApp.bndrun and EdgeApp.bndrun
+        run: git diff --exit-code io.openems.backend.application/BackendApp.bndrun  io.openems.edge.application/EdgeApp.bndrun
+
+      - name: Clean Edge+Backend assets
+        run: ./gradlew cleanEdge cleanBackend
+
+      - name: Prepare Edge+Backend assets
+        run: ./gradlew buildEdge buildBackend
+
+      - name: Save build-artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: build-artifacts
+          path: |
+            build/openems-edge.jar
+            build/openems-backend.jar
+
+  build-ui:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '16'
+
+      - name: Setup Cache for Node.js
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.npm
+            ~/.ng
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: ${{ runner.os }}-node-
+
+      - name: Build OpenEMS UI
+        run: |
+          cd ui
+          npm install 
+          npm ci --prefer-offline --cache ~/.npm
+          node_modules/.bin/ng config cli.cache.path "~/.ng"
+          node_modules/.bin/ng build -c "openems,openems-edge-prod,prod"
+
+      - name: Prepare UI asset
+        run: |
+          mkdir build
+          cd ui/target
+          zip -r ../../build/openems-ui.zip ./*
+
+      - name: Save build-artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: build-artifacts
+          path: build/openems-ui.zip
+
+  release:
+    runs-on: ubuntu-latest
+    needs: [build-java, build-ui]
+    steps:
+      - name: Load build-artifacts
+        uses: actions/download-artifact@v3
+        with:
+          name: build-artifacts
+          path: build
+
+      - name: Create draft Release
+        uses: softprops/action-gh-release@v1
+        with:
+          draft: true
+          files: |
+            build/openems-edge.jar
+            build/openems-backend.jar
+            build/openems-ui.zip