ci: ensure chart version is in sync with the release version

.github/workflows/apps_version_check.yaml

@@ -29,6 +29,8 @@ jobs:
         run: ./scripts/update-appup.sh emqx-ee --check
       - name: Check apps version
         run: ./scripts/apps-version-check.sh
+      - name: Check chart versions
+        run: ./scripts/check-chart-vsn.sh
       - uses: actions/upload-artifact@v3.1.0
         if: failure()
         with:

scripts/check-chart-vsn.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# ensure dir
+cd -P -- "$(dirname -- "$0")/.."
+
+if [ -f "EMQX_ENTERPRISE" ]; then
+    CHART_FILE='deploy/charts/emqx-ee/Chart.yaml'
+else
+    CHART_FILE='deploy/charts/emqx/Chart.yaml'
+fi
+
+if [ ! -f "$CHART_FILE" ]; then
+    echo "Chart file $CHART_FILE is not found"
+    pwd
+    exit 1
+fi
+
+CHART_VSN="$(grep -oE '^version:.*' "$CHART_FILE" | cut -d ':' -f 2 | tr -d ' ')"
+APP_VSN="$(grep -oE '^appVersion:.*' "$CHART_FILE" | cut -d ':' -f 2 | tr -d ' ')"
+
+if [ "$CHART_VSN" != "$APP_VSN" ]; then
+    echo "Chart version and app version mismatch in $CHART_FILE"
+    exit 2
+fi
+
+PKG_VSN="$(./pkg-vsn.sh | cut -d '-' -f 1)"
+
+if [ "$CHART_VSN" != "$PKG_VSN" ]; then
+    echo "Chart version in $CHART_FILE is not in sync with release version."
+    echo "Chart version: $CHART_VSN"
+    echo "Release version: $PKG_VSN"
+    exit 3
+fi