Replace kube-controller-manager with cloud-controller-manager for pod…

… IPAM

pkg/webhook/controlplane/ensurer.go

@@ -5,7 +5,6 @@ package controlplane
 
 import (
 	"context"
-
 	"github.com/Masterminds/semver/v3"
 	"github.com/coreos/go-systemd/v22/unit"
 	extensionswebhook "github.com/gardener/gardener/extensions/pkg/webhook"
@@ -133,6 +132,9 @@ func ensureKubeAPIServerCommandLineArgs(c *corev1.Container) {
 func ensureKubeControllerManagerCommandLineArgs(c *corev1.Container) {
 	c.Command = extensionswebhook.EnsureStringWithPrefix(c.Command, "--cloud-provider=", "external")
 	c.Command = extensionswebhook.EnsureNoStringWithPrefix(c.Command, "--cloud-config=")
+
+	// allocate-node-cidrs is a boolean flag and could be enabled by name without an explicit value passed. Therefore, we delete all prefixes (without including "=" in the prefix)
+	c.Command = extensionswebhook.EnsureNoStringWithPrefix(c.Command, "--allocate-node-cidrs")
 }
 
 // EnsureKubeletServiceUnitOptions ensures that the kubelet.service unit options conform to the provider requirements.