Add an action to find new versions of helm charts (#184)

Co-authored-by: Marco Franssen <[email protected]>

.github/workflows/check-versions.yaml

@@ -0,0 +1,49 @@
+name: Check versions
+
+on:
+  schedule:
+    - cron: '0 8 * * 1'
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+env:
+  HELM_VERSION: v3.11.1
+
+jobs:
+  check-helm-chart-versions:
+    runs-on: ubuntu-22.04
+
+    permissions:
+      contents: write
+      pull-requests: write
+
+    steps:
+      - name: Checkout
+        uses: actions/[email protected]
+
+      - name: Set up Helm
+        uses: azure/[email protected]
+        with:
+          version: ${{ env.HELM_VERSION }}
+
+      - name: Update test chart versions
+        run: |
+          ./.github/workflows/scripts/update-versions.sh
+          git diff
+
+      - name: Create Pull Request
+        id: cpr
+        uses: peter-evans/[email protected]
+        with:
+          title: Bump test chart dependencies
+          branch: bump-test-chart-deps
+          commit-message: Bump test chart dependencies
+          body: Bump the Helm charts used in test scenarios to latest available versions.
+          signoff: true
+          add-paths: |
+            .github/tests
+
+      - name: Check outputs
+        if: ${{ steps.cpr.outputs.pull-request-number }}
+        run: 'echo "::notice title=PR #${{ steps.cpr.outputs.pull-request-number }}::${{ steps.cpr.outputs.pull-request-url }}"'

.github/workflows/helm-chart-ci.yaml

@@ -199,6 +199,8 @@ jobs:
           export scenario="$(basename "${TEST_DIR}")"
           export EXTRA_HELM_ARGS=""
 
+          source .github/tests/charts.sh
+
           [ "${scenario}" != "default" ] && kubectl create namespace "${scenario}"
           [ -x "${TEST_DIR}/pre-install.sh" ] && "${TEST_DIR}/pre-install.sh"
           [ -f "${TEST_DIR}/.env" ] && source "${TEST_DIR}/.env"

.github/workflows/scripts/update-versions.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+SCRIPT=$(readlink -f "$0")
+SCRIPTPATH=$(dirname "$SCRIPT")
+
+CHARTJSON=$SCRIPTPATH/../../tests/charts.json
+
+jq -r ".[].name" "${CHARTJSON}" | while read -r CHART; do
+  ENTRYQUERY='.[] | select(.name == "'$CHART'")'
+  REPO_URL="$(jq -r "$ENTRYQUERY | .repo" "${CHARTJSON}")"
+  VERSION="$(jq -r "$ENTRYQUERY | .version" "${CHARTJSON}")"
+  echo Processing: ${CHART}
+  echo "  repo: $REPO_URL"
+  echo "  current version: $VERSION"
+  helm repo add "$CHART" "$REPO_URL" > /dev/null
+  helm repo update "$CHART" > /dev/null
+  LATEST_VERSION=$(helm search repo --regexp "$CHART/$CHART\v" -o json | jq -r '.[0].version')
+  echo "  latest version: $LATEST_VERSION"
+  if [ "x$VERSION" != "x$LATEST_VERSION" ]; then
+    echo "  New version found!"
+    jq "( $ENTRYQUERY ).version |= "'"${LATEST_VERSION}"' "${CHARTJSON}" > /tmp/$$
+    mv /tmp/$$ "${CHARTJSON}"
+  fi
+done