feat: add Renovate tracking for aztec-node chart with auto version bump

.github/renovate.json

@@ -78,6 +78,13 @@
       ],
       "labels": ["renovate/infrastructure"],
       "groupName": "Infrastructure images"
+    },
+    {
+      "description": "Aztec node image updates",
+      "matchDatasources": ["docker"],
+      "matchPackageNames": ["aztecprotocol/aztec"],
+      "labels": ["renovate/aztec"],
+      "groupName": "Aztec node"
     }
   ],
   "regexManagers": [
@@ -184,6 +191,15 @@
       ],
       "datasourceTemplate": "docker",
       "versioningTemplate": "semver"
+    },
+    {
+      "description": "Update Aztec image in aztec-node values.yaml",
+      "fileMatch": ["^charts/aztec-node/values\\.yaml$"],
+      "matchStrings": [
+        "# -- Image repository\\s+repository:\\s+(?<depName>aztecprotocol/aztec)\\s+# -- Image tag\\s+tag:\\s+(?<currentValue>[0-9]+\\.[0-9]+\\.[0-9]+)"
+      ],
+      "datasourceTemplate": "docker",
+      "versioningTemplate": "semver"
     }
   ]
 }

.github/workflows/bump-chart-version.yml

@@ -0,0 +1,74 @@
+name: Bump Chart Version on Image Update
+
+on:
+  pull_request:
+    paths:
+      - 'charts/*/values.yaml'
+
+jobs:
+  bump-chart-version:
+    runs-on: ubuntu-latest
+    if: startsWith(github.head_ref, 'renovate/')
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+          fetch-depth: 0
+
+      - name: Get changed charts
+        id: changed
+        run: |
+          CHANGED_CHARTS=$(git diff --name-only origin/${{ github.base_ref }}...HEAD | grep 'charts/.*/values.yaml' | cut -d'/' -f2 | sort -u)
+          echo "charts=$CHANGED_CHARTS" >> $GITHUB_OUTPUT
+
+      - name: Bump chart versions
+        run: |
+          for chart in ${{ steps.changed.outputs.charts }}; do
+            CHART_FILE="charts/${chart}/Chart.yaml"
+            VALUES_FILE="charts/${chart}/values.yaml"
+
+            if [[ ! -f "$CHART_FILE" ]]; then
+              echo "Chart.yaml not found for $chart, skipping..."
+              continue
+            fi
+
+            # Extract new image tag from values.yaml (handles both quoted and unquoted)
+            NEW_TAG=$(grep -A1 '# -- Image tag' "$VALUES_FILE" | tail -1 | sed 's/.*tag:[[:space:]]*//' | tr -d '"' | tr -d "'" || true)
+
+            if [[ -z "$NEW_TAG" ]]; then
+              echo "Could not extract image tag for $chart, skipping..."
+              continue
+            fi
+
+            echo "Detected new image tag for $chart: $NEW_TAG"
+
+            # Update appVersion in Chart.yaml
+            sed -i "s/^appVersion:.*/appVersion: \"$NEW_TAG\"/" "$CHART_FILE"
+
+            # Bump patch version
+            CURRENT_VERSION=$(grep '^version:' "$CHART_FILE" | sed 's/version:[[:space:]]*//')
+            MAJOR=$(echo "$CURRENT_VERSION" | cut -d. -f1)
+            MINOR=$(echo "$CURRENT_VERSION" | cut -d. -f2)
+            PATCH=$(echo "$CURRENT_VERSION" | cut -d. -f3)
+            NEW_PATCH=$((PATCH + 1))
+            NEW_VERSION="${MAJOR}.${MINOR}.${NEW_PATCH}"
+
+            sed -i "s/^version:.*/version: $NEW_VERSION/" "$CHART_FILE"
+
+            echo "Updated $chart: version $CURRENT_VERSION -> $NEW_VERSION, appVersion -> $NEW_TAG"
+          done
+
+      - name: Commit changes
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+          git add charts/*/Chart.yaml
+          if git diff --staged --quiet; then
+            echo "No Chart.yaml changes to commit"
+          else
+            git commit -m "chore: bump chart version for image update"
+            git push
+          fi

charts/aztec-node/Chart.yaml

@@ -2,5 +2,5 @@ apiVersion: v2
 name: aztec-node
 description: A Helm chart for deploying an Aztec node
 type: application
-version: 0.2.0
-appVersion: "2.1.5"
+version: 0.2.1
+appVersion: "2.1.9"

charts/aztec-node/values.yaml

@@ -88,7 +88,7 @@ image:
   # -- Image repository
   repository: aztecprotocol/aztec
   # -- Image tag
-  tag: 2.1.5
+  tag: 2.1.9
   # -- Container pull policy
   pullPolicy: IfNotPresent