feat: enable watch based route reconciliation by default (#1112)

This will enable the watch based route reconciliation by default. We
already mentioned this feature gate in
[v1.27.0](https://github.com/hetznercloud/hcloud-cloud-controller-manager/releases/tag/v1.27.0)

Author: lukasmetzner

chart/.snapshots/default.yaml

@@ -140,7 +140,7 @@ spec:
           args:
             - "--allow-untagged-cloud"
             - "--cloud-provider=hcloud"
-            - "--feature-gates=CloudControllerManagerWatchBasedRoutesReconciliation=false"
+            - "--feature-gates=CloudControllerManagerWatchBasedRoutesReconciliation=true"
             - "--route-reconciliation-period=30s"
             - "--webhook-secure-port=0"
             - "--leader-elect=false"

chart/.snapshots/full.daemonset.yaml

@@ -150,7 +150,7 @@ spec:
             - "/bin/hcloud-cloud-controller-manager"
             - "--allow-untagged-cloud"
             - "--cloud-provider=hcloud"
-            - "--feature-gates=CloudControllerManagerWatchBasedRoutesReconciliation=false"
+            - "--feature-gates=CloudControllerManagerWatchBasedRoutesReconciliation=true"
             - "--route-reconciliation-period=30s"
             - "--webhook-secure-port=0"
           env:

chart/values.yaml

@@ -21,7 +21,7 @@ args:
   # - Node deleted
   # - Node PodCIDRs, or Addresses updated
   # This replaces the fixed route reconcile interval of 30s
-  feature-gates: "CloudControllerManagerWatchBasedRoutesReconciliation=false"
+  feature-gates: "CloudControllerManagerWatchBasedRoutesReconciliation=true"
 
 # Change deployment kind from "Deployment" to "DaemonSet"
 kind: Deployment

deploy/ccm-networks.yaml

@@ -139,7 +139,7 @@ spec:
           args:
             - "--allow-untagged-cloud"
             - "--cloud-provider=hcloud"
-            - "--feature-gates=CloudControllerManagerWatchBasedRoutesReconciliation=false"
+            - "--feature-gates=CloudControllerManagerWatchBasedRoutesReconciliation=true"
             - "--route-reconciliation-period=30s"
             - "--webhook-secure-port=0"
             - "--allocate-node-cidrs=true"

deploy/ccm.yaml

@@ -138,7 +138,7 @@ spec:
           args:
             - "--allow-untagged-cloud"
             - "--cloud-provider=hcloud"
-            - "--feature-gates=CloudControllerManagerWatchBasedRoutesReconciliation=false"
+            - "--feature-gates=CloudControllerManagerWatchBasedRoutesReconciliation=true"
             - "--route-reconciliation-period=30s"
             - "--webhook-secure-port=0"
             - "--leader-elect=false"

go.mod

@@ -1,6 +1,6 @@
 module github.com/hetznercloud/hcloud-cloud-controller-manager
 
-go 1.24.0
+go 1.25.0
 
 toolchain go1.25.5
 
@@ -11,11 +11,11 @@ require (
 	github.com/stretchr/testify v1.11.1
 	github.com/syself/hrobot-go v0.2.7
 	golang.org/x/time v0.14.0
-	k8s.io/api v0.34.3
-	k8s.io/apimachinery v0.34.3
-	k8s.io/client-go v0.34.3
-	k8s.io/cloud-provider v0.34.3
-	k8s.io/component-base v0.34.3
+	k8s.io/api v0.35.0
+	k8s.io/apimachinery v0.35.0
+	k8s.io/client-go v0.35.0
+	k8s.io/cloud-provider v0.35.0
+	k8s.io/component-base v0.35.0
 	k8s.io/klog/v2 v2.130.1
 )
 
@@ -35,7 +35,7 @@ require (
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
-	github.com/go-logr/logr v1.4.2 // indirect
+	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-openapi/jsonpointer v0.21.0 // indirect
 	github.com/go-openapi/jsonreference v0.20.2 // indirect
@@ -58,31 +58,30 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.3-0.20250322232337-35a7c28c31ee // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
 	github.com/prometheus/common v0.66.1 // indirect
 	github.com/prometheus/procfs v0.16.1 // indirect
-	github.com/spf13/cobra v1.9.1 // indirect
+	github.com/spf13/cobra v1.10.0 // indirect
 	github.com/stoewer/go-strcase v1.3.0 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
-	go.etcd.io/etcd/api/v3 v3.6.4 // indirect
-	go.etcd.io/etcd/client/pkg/v3 v3.6.4 // indirect
-	go.etcd.io/etcd/client/v3 v3.6.4 // indirect
+	go.etcd.io/etcd/api/v3 v3.6.5 // indirect
+	go.etcd.io/etcd/client/pkg/v3 v3.6.5 // indirect
+	go.etcd.io/etcd/client/v3 v3.6.5 // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.60.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.58.0 // indirect
-	go.opentelemetry.io/otel v1.35.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.61.0 // indirect
+	go.opentelemetry.io/otel v1.36.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.34.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.34.0 // indirect
-	go.opentelemetry.io/otel/metric v1.35.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.34.0 // indirect
-	go.opentelemetry.io/otel/trace v1.35.0 // indirect
+	go.opentelemetry.io/otel/metric v1.36.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.36.0 // indirect
+	go.opentelemetry.io/otel/trace v1.36.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.5.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
-	go.yaml.in/yaml/v2 v2.4.2 // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/crypto v0.45.0 // indirect
 	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
@@ -93,26 +92,22 @@ require (
 	golang.org/x/term v0.37.0 // indirect
 	golang.org/x/text v0.31.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20250303144028-a0af3efb3deb // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250303144028-a0af3efb3deb // indirect
-	google.golang.org/grpc v1.72.1 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250528174236-200df99c418a // indirect
+	google.golang.org/grpc v1.72.2 // indirect
 	google.golang.org/protobuf v1.36.8 // indirect
-	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
+	gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/apiserver v0.34.1 // indirect
-	k8s.io/component-helpers v0.34.1 // indirect
-	k8s.io/controller-manager v0.34.1 // indirect
-	k8s.io/kms v0.34.1 // indirect
-	k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b // indirect
-	k8s.io/utils v0.0.0-20250604170112-4c0f3b243397 // indirect
+	k8s.io/apiserver v0.35.0 // indirect
+	k8s.io/component-helpers v0.35.0 // indirect
+	k8s.io/controller-manager v0.35.0 // indirect
+	k8s.io/kms v0.35.0 // indirect
+	k8s.io/kube-openapi v0.0.0-20250910181357-589584f1c912 // indirect
+	k8s.io/utils v0.0.0-20251002143259-bc988d571ff4 // indirect
 	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.31.2 // indirect
-	sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 // indirect
+	sigs.k8s.io/json v0.0.0-20250730193827-2d320260d730 // indirect
 	sigs.k8s.io/randfill v1.0.0 // indirect
 	sigs.k8s.io/structured-merge-diff/v6 v6.3.0 // indirect
 	sigs.k8s.io/yaml v1.6.0 // indirect
 )
-
-replace k8s.io/cloud-provider => github.com/lukasmetzner/cloud-provider v0.34.1-watch-based-route-reconciliation
-
-replace k8s.io/controller-manager => github.com/lukasmetzner/controller-manager v0.34.1-watch-based-route-reconciliation