chore: migrate from Dependabot to Renovate

2026-08-26 19:58:55 +02:00
parent cf2e464d4a
commit 3774c8ef7e
5 changed files with 200 additions and 139 deletions
@@ -0,0 +1,74 @@
+#!/bin/bash
+set -euo pipefail
+
+# Regenerate renovate.json from the on-disk docker/kubernetes layout.
+
+tmpfile=$(mktemp)
+
+# Make sure to cleanup our temp file on any kind of exit
+trap 'rm -f "$tmpfile"' EXIT
+
+python3 - "$tmpfile" <<'PY'
+import json
+import os
+import subprocess
+import sys
+
+
+def discover(root, filename):
+    """Sorted directories under root containing filename."""
+    out = subprocess.run(
+        ["find", root, "-name", filename],
+        capture_output=True,
+        text=True,
+        check=True,
+    ).stdout
+    return sorted(
+        {os.path.dirname(line).removeprefix("./") for line in out.splitlines() if line}
+    )
+
+
+def file_match(directory, filename):
+    return "^%s/%s$" % (directory, filename.replace(".", "[.]"))
+
+
+docker_dirs = discover("docker", "docker-compose.yml")
+helm_dirs = discover("kubernetes", "release.yaml")
+
+renovate = {
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "schedule": ["every weekend"],
+    "prConcurrentLimit": 15,
+    "enabledManagers": ["docker-compose", "helm-requirements", "helm-values"],
+    "packageRules": [
+        {
+            "description": "docker-compose updates",
+            "matchManagers": ["docker-compose"],
+            "commitMessage": "docker(deps): bump {{{depName}}} in {{{packageFile}}}",
+        },
+        {
+            "description": "helm updates",
+            "matchManagers": ["helm-requirements", "helm-values"],
+            "commitMessage": "kube(deps): bump {{{depName}}} in {{{packageFile}}}",
+        },
+    ],
+    "docker-compose": {
+        "fileMatch": [file_match(d, "docker-compose.yml") for d in docker_dirs]
+    },
+    "helm-requirements": {"fileMatch": [file_match(d, "Chart.yaml") for d in helm_dirs]},
+    "helm-values": {"fileMatch": [file_match(d, "values.yaml") for d in helm_dirs]},
+}
+
+with open(sys.argv[1], "w") as f:
+    json.dump(renovate, f, indent=2)
+    f.write("\n")
+PY
+
+# Overwrite file on change
+if ! [ -f renovate.json ] || ! cmp -s "$tmpfile" renovate.json; then
+  mv "$tmpfile" renovate.json
+  echo "Updated renovate.json!"
+  git add "renovate.json"
+else
+  echo "No changes to renovate.json."
+fi