build(chart): change log and release notes for helm chart

Signed-off-by: Viet Nguyen Duc <nguyenducviet4496@gmail.com>

.github/workflows/deploy.yml

@@ -49,6 +49,8 @@ jobs:
         run: echo ${LATEST_TAG}
       - name: Update tag in docs and files
         run: ./update_tag_in_docs_and_files.sh ${LATEST_TAG} ${NEXT_TAG}
+      - name: Update chart CHANGELOG
+        run: ./generate_chart_changelog.sh HEAD
       - name: Build images
         run: VERSION="${GRID_VERSION}" BUILD_DATE=${BUILD_DATE} make build
       - name: Login Docker Hub

.github/workflows/helm-chart-release.yml

@@ -25,10 +25,14 @@ jobs:
           git config user.name "$GITHUB_ACTOR"
           git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
 
+      - name: Get chart release notes (chart_release_notes.md)
+        run: ./generate_chart_changelog.sh HEAD
+
       - name: Run chart-releaser
         uses: helm/chart-releaser-action@main
         with:
           mark_as_latest: false
           skip_existing: true
         env:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          CR_RELEASE_NOTES_FILE: RELEASE_NOTES.md

.gitignore

@@ -151,3 +151,4 @@ ENV/
 /charts/*/charts
 /charts/*/**.lock
 /charts/*.tgz
+/charts/*/RELEASE_NOTES.md

generate_chart_changelog.sh

@@ -4,6 +4,7 @@
 CHART_DIR="./charts/selenium-grid"
 CHANGELOG_FILE="./charts/selenium-grid/CHANGELOG.md"
 TAG_PATTERN="selenium-grid"
+SET_TAG=${1:-""}
 
 # Get current chart app version
 CHART_APP_VERSION=$(find . \( -type d -name .git -prune \) -o -type f -name 'Chart.yaml' -print0 | xargs -0 cat | grep ^appVersion | cut -d ':' -f 2 | tr -d '[:space:]')
@@ -27,24 +28,27 @@ generate_changelog() {
         commit_range="${previous_tag}..${current_tag}"
     fi
 
+    change_title=$current_tag
+    if [ "$SET_TAG" = "HEAD" ]; then
+        current_tag="${SET_TAG}"
+        CURRENT_CHART_VERSION=$(find . \( -type d -name .git -prune \) -o -type f -name 'Chart.yaml' -print0 | xargs -0 cat | grep ^version | cut -d ':' -f 2 | tr -d '[:space:]')
+        change_title="${TAG_PATTERN}-${CURRENT_CHART_VERSION}"
+    fi
+    echo "Generating changelog for ${change_title}"
+
     # Get the changes for each section (Added, Removed, Fixed, Changed)
     image_tag_changes=$(echo "Chart is using image tag $CHART_APP_VERSION" | sed -e 's/^/- /')
-    k8s_versions_tested=$(echo "Chart is tested on Kubernetes versions: $(cat .github/workflows/helm-chart-test.yml | grep -oP "k8s-version: '\Kv.*(?=')" | tr '\n' ',')")
+    k8s_versions_tested=$(echo "Chart is tested on Kubernetes versions: $(cat .github/workflows/helm-chart-test.yml | grep -oP "k8s-version: '\Kv.*(?=')" | tr '\n' ' ')" | sed -e 's/^/- /')
     added_changes=$(git log --pretty=format:"%s :: %an" "$commit_range" -- "$CHART_DIR" | grep -iE "^feat|^add" | sed -e 's/^/- /')
     removed_changes=$(git log --pretty=format:"%s :: %an" "$commit_range" -- "$CHART_DIR" | grep -iE "^remove|^deprecate|^delete" | sed -e 's/^/- /')
     fixed_changes=$(git log --pretty=format:"%s :: %an" "$commit_range" -- "$CHART_DIR" | grep -iE "^fix|^bug" | sed -e 's/^/- /')
     changed_changes=$(git log --pretty=format:"%s :: %an" "$commit_range" -- "$CHART_DIR" | grep -iEv "^feat|^add|^remove|^deprecate|^delete|^fix|^bug" | sed -e 's/^/- /')
 
-    if [[ $(cat $CHANGELOG_FILE) == *"${current_tag}"* ]]; then
-        echo "Changelog already generated for ${current_tag}"
-        exit 0
-    fi
-
     # Create a temporary file
     temp_file=$(mktemp)
 
     # Write to the temporary file
-    echo "## :heavy_check_mark: ${current_tag}" >> "$temp_file"
+    echo "## :heavy_check_mark: ${change_title}" >> "$temp_file"
     echo "" >> "$temp_file"
     echo "$image_tag_changes" >> "$temp_file"
     echo "$k8s_versions_tested" >> "$temp_file"
@@ -74,11 +78,26 @@ generate_changelog() {
         echo "" >> "$temp_file"
     fi
 
+    # Create chart_release_notes.md
+    release_notes_file="$CHART_DIR/RELEASE_NOTES.md"
+    chart_description=$(find . \( -type d -name .git -prune \) -o -type f -name 'Chart.yaml' -print0 | xargs -0 cat | grep ^description | cut -d ':' -f 2)
+    echo "$chart_description" > "$release_notes_file"
+    echo "" >> "$release_notes_file"
+    cat $temp_file >> "$release_notes_file"
+    echo "Generated release notes at $release_notes_file"
+
     # Append the existing content of CHANGELOG to the temporary file
     cat "$CHANGELOG_FILE" >> "$temp_file"
 
-    # Overwrite CHANGELOG with the content of the temporary file
-    mv "$temp_file" "$CHANGELOG_FILE"
+    if [[ $(cat $CHANGELOG_FILE) == *"${change_title}"* ]]; then
+        echo "Changelog already generated for ${change_title}"
+        rm -rf "$temp_file"
+        exit 0
+    else
+        # Overwrite CHANGELOG with the content of the temporary file
+        mv "$temp_file" "$CHANGELOG_FILE"
+    fi
+
 }
 
 # Run the function to generate the changelog