ci: add renovate configuration

Renovate is flexible enough to support our custom bake target including the
package configuration.

Signed-off-by: Moritz Wanzenböck <moritz.wanzenboeck@linbit.com>

Author: WanzenBug

.github/renovate.json

@@ -0,0 +1,24 @@
+{
+  "extends": ["config:recommended", "group:allNonMajor"],
+  "enabledManagers": [],
+  "customManagers": [
+    {
+      "customType": "regex",
+      "managerFilePatterns": "dockerfiles/docker-bake.hcl",
+      "matchStrings": [
+        "#\\s*renovate:\\s*type=(?<type>.*?)\\s*url=(?<url>.*?)\\s*depName=(?<depName>.*?)\\s*(extractVersion=(?<extractVersion>.*?))?\\s*\\S+\\s*=\\s*\"(?<currentValue>.*)\""
+      ],
+      "registryUrlTemplate": "{{{decodeURIComponent url}}}",
+      "datasourceTemplate": "{{type}}",
+      "extractVersionTemplate": "{{#if extractVersion}}{{{extractVersion}}}{{else}}^(?<version>.*)${{/if}}"
+    }
+  ],
+  "github-actions": {
+    "description": "Managed by dependabot",
+    "enabled": false
+  },
+  "dockerfile": {
+    "description": "Managed manually",
+    "enabled": false
+  }
+}

dockerfiles/docker-bake.hcl

@@ -16,11 +16,16 @@ variable "CACHE" {
 
 variable VERSIONS {
   default = {
-    DRBD = ["9.2.14"]
-    DRBD_REACTOR       = "1.9.0-1"
+    # renovate: type=github-tags url=https://github.com depName=LINBIT/drbd extractVersion=^drbd-(?<version>.*)$
+    DRBD    = "9.2.14"
+    # renovate: type=github-tags url=https://github.com depName=LINBIT/k8s-await-election
     K8S_AWAIT_ELECTION = "v0.4.1"
-    KTLS_UTILS         = "1.1.0-1"
-    LINSTOR            = "1.32.1-1"
+    # renovate: type=deb url=https://packages.linbit.com/public?suite=bookworm&components=misc&binaryArch=amd64 depName=drbd-reactor
+    DRBD_REACTOR = "1.9.0-1"
+    # renovate: type=deb url=https://packages.linbit.com/public?suite=bookworm&components=misc&binaryArch=amd64 depName=ktls-utils
+    KTLS_UTILS = "1.1.0-1"
+    # renovate: type=deb url=https://packages.linbit.com/public?suite=bookworm&components=misc&binaryArch=amd64 depName=linstor-common
+    LINSTOR = "1.32.1-1"
   }
 }