ci: introduce pre-release and release flows

Signed-off-by: Paolo Chila <[email protected]>

.github/workflows/CI.yml

@@ -131,6 +131,7 @@ jobs:
         id: docker_build
         uses: keptn/gh-automation/.github/actions/[email protected]
         with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           TAGS: |
             ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE }}:${{ env.VERSION }}
           BUILD_ARGS: |

.github/workflows/pre-release.yml

@@ -0,0 +1,68 @@
+name: Create Pre-Release
+on:
+  workflow_dispatch:
+jobs:
+  test:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v2
+      - name: Unit tests
+        uses: ./.github/actions/unit-tests
+
+  pre-release:
+    needs: test
+    name: Pre-Release
+    uses: keptn/gh-automation/.github/workflows/[email protected]
+
+  docker_build:
+    needs: [pre-release]
+    name: Docker Build
+    runs-on: ubuntu-20.04
+    env:
+      VERSION: ${{ needs.pre-release.outputs.RELEASE_TAG }}
+    steps:
+      - name: Checkout Code
+        uses: actions/[email protected]
+
+      - name: Load CI Environment from .ci_env
+        id: load_ci_env
+        uses: c-py/action-dotenv-to-setenv@v3
+        with:
+          env-file: .ci_env
+
+      - name: Docker Build
+        uses: keptn/gh-automation/.github/actions/[email protected]
+        with:
+          TAGS: |
+            ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE }}:${{ env.VERSION }}
+          BUILD_ARGS: |
+            version=${{ env.VERSION }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  helm_chart_build:
+    needs: [pre-release, docker_build]
+    name: Build Helm Charts
+    runs-on: ubuntu-20.04
+    env:
+      VERSION: ${{ needs.pre-release.outputs.RELEASE_TAG }}
+    steps:
+      - name: Checkout Code
+        uses: actions/[email protected]
+
+      - name: Load CI Environment from .ci_env
+        id: load_ci_env
+        uses: c-py/action-dotenv-to-setenv@v3
+        with:
+          env-file: .ci_env
+
+      - name: Build Helm Charts
+        id: build_helm_charts
+        run: ./gh-actions-scripts/build_helm_chart.sh "${VERSION}" "${VERSION}" "${IMAGE}"
+
+      - name: Upload Helm Chart as release asset
+        env:
+          RELEASE_TAG: ${{ needs.pre-release.outputs.RELEASE_TAG }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release upload "$RELEASE_TAG" installer/*.tgz

.github/workflows/release.yml

@@ -0,0 +1,69 @@
+name: Create Release
+on:
+  workflow_dispatch:
+jobs:
+  test:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v2
+      - name: Unit tests
+        uses: ./.github/actions/unit-tests
+
+  release:
+    needs: test
+    name: Release
+    uses: keptn/gh-automation/.github/workflows/[email protected]
+
+  docker_build:
+    needs: [release]
+    name: Docker Build
+    runs-on: ubuntu-20.04
+    env:
+      VERSION: ${{ needs.release.outputs.RELEASE_TAG }}
+    steps:
+      - name: Checkout Code
+        uses: actions/[email protected]
+
+      - name: Load CI Environment from .ci_env
+        id: load_ci_env
+        uses: c-py/action-dotenv-to-setenv@v3
+        with:
+          env-file: .ci_env
+
+      - name: Docker Build
+        uses: keptn/gh-automation/.github/actions/[email protected]
+        with:
+          TAGS: |
+            ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE }}:${{ env.VERSION }}
+          BUILD_ARGS: |
+            version=${{ env.VERSION }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  helm_chart_build:
+    needs: [release, docker_build]
+
+    name: Build Helm Charts
+    runs-on: ubuntu-20.04
+    env:
+      VERSION: ${{ needs.release.outputs.RELEASE_TAG }}
+    steps:
+      - name: Checkout Code
+        uses: actions/[email protected]
+
+      - name: Load CI Environment from .ci_env
+        id: load_ci_env
+        uses: c-py/action-dotenv-to-setenv@v3
+        with:
+          env-file: .ci_env
+
+      - name: Build Helm Charts
+        id: build_helm_charts
+        run: ./gh-actions-scripts/build_helm_chart.sh "${VERSION}" "${VERSION}" "${IMAGE}"
+
+      - name: Upload Helm Chart as release asset
+        env:
+          RELEASE_TAG: ${{ needs.release.outputs.RELEASE_TAG }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh release upload "$RELEASE_TAG" installer/*.tgz

gh-actions-scripts/build_helm_chart.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+# shellcheck disable=SC2181
+
+VERSION=$1 # e.g., 0.7.2-next.0
+APP_VERSION=$2 # e.g., 0.7.2-next.0+1234
+IMAGE=$3 # e.g., prometheus-service
+
+if [ $# -ne 3 ]; then
+  echo "Usage: $0 VERSION APP_VERSION IMAGE"
+  exit
+fi
+
+if [ -z "$VERSION" ]; then
+  echo "No Version set, exiting..."
+  exit 1
+fi
+
+if [ -z "$APP_VERSION" ]; then
+  echo "No Image Tag set, defaulting to version"
+  APP_VERSION=$VERSION
+fi
+
+
+# replace "appVersion: latest" with "appVersion: $VERSION" in all Chart.yaml files
+# find . -name Chart.yaml -exec sed -i -- "s/appVersion: latest/appVersion: ${APP_VERSION}/g" {} \;
+# find . -name Chart.yaml -exec sed -i -- "s/version: latest/version: ${VERSION}/g" {} \;
+
+mkdir installer/
+
+# ####################
+# HELM CHART
+# ####################
+BASE_PATH=.
+CHARTS_PATH=chart
+
+helm package ${BASE_PATH}/${CHARTS_PATH} --app-version "$APP_VERSION" --version "$VERSION"
+if [ $? -ne 0 ]; then
+  echo "Error packaging installer, exiting..."
+  exit 1
+fi
+
+mv "${IMAGE}-${VERSION}.tgz" "installer/${IMAGE}-${VERSION}.tgz"
+
+#verify the chart
+helm template "installer/${IMAGE}-${VERSION}.tgz" --dry-run > /dev/null
+
+if [ $? -ne 0 ]; then
+  echo "::error Helm Chart for ${IMAGE} has templating errors -exiting"
+  exit 1
+fi
+
+echo "Generated files:"
+echo " - installer/${IMAGE}-${VERSION}.tgz"