Add Renovate custom manager for apt deps (#41)

* Add custom renovate manager for handling apt deps in helm values

* Use json5 format for renovate config

* Add predefined managers; enable branch & commit prefixes

* Bump chart version

Author: lukasgabriel

charts/relution/Chart.yaml

@@ -11,7 +11,7 @@ sources:
 
 type: application
 
-version: 2.7.0-1
+version: 2.7.1-1
 
 appVersion: "5.34.0"
 

charts/relution/values.yaml

@@ -217,7 +217,9 @@ s2s:
     pullPolicy: IfNotPresent
     tag: "24.04"
   packages:
+    # renovate: suite=noble depName=strongswan
     strongswan: "5.9.13-2ubuntu4"
+    # renovate: suite=noble depName=iptables
     iptables: "1.8.10-3ubuntu2"
   livenessProbe:
     enabled: true

renovate.json

@@ -0,0 +1,24 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:recommended",
+    "customManagers:dockerfileVersions",
+    "customManagers:helmChartYamlAppVersions"
+  ],
+
+  "branchPrefix": "deps/",
+  "semanticCommits": "enabled",
+
+  "customManagers": [
+    {
+      "description": "Ubuntu package versions in Helm values",  // adapted from https://docs.renovatebot.com/modules/datasource/deb/#usage-example
+      "customType": "regex",
+      "fileMatch": ["(^|/)values(\\.[-\\w]+)*\\.ya?ml$"],
+      "matchStrings": [
+        "#\\s*renovate:\\s*suite=(?<suite>\\S+)(?:\\s+arch=(?<arch>\\S+))?\\s+depName=(?<depName>\\S+)\\s*\\n\\s*(?<packageName>\\S+):\\s*\"(?<currentValue>[^\"]+)\""
+      ],
+      "registryUrlTemplate": "https://archive.ubuntu.com/ubuntu?suite={{suite}}&components=main,restricted,universe,multiverse&binaryArch={{#if arch}}{{arch}}{{else}}amd64{{/if}}",
+      "datasourceTemplate": "deb"
+    }
+  ]
+}