add disableCsiLvm feature gate

Makefile

@@ -83,11 +83,11 @@ check: $(GOIMPORTS) $(GOLANGCI_LINT) $(HELM)
 
 .PHONY: generate
 generate: $(VGOPATH) $(HELM) $(YQ)
+echo $(shell git -c safe.directory=/go/src/github.com/metal-stack/gardener-extension-provider-metal describe --abbrev=0 --tags) > VERSION
 	@REPO_ROOT=$(REPO_ROOT) VGOPATH=$(VGOPATH) GARDENER_HACK_DIR=$(GARDENER_HACK_DIR) bash $(GARDENER_HACK_DIR)/generate-sequential.sh ./charts/... ./cmd/... ./pkg/...
 
 .PHONY: generate-in-docker
-generate-in-docker: tidy update-crds $(HELM)
-	echo $(shell git describe --abbrev=0 --tags) > VERSION
+generate-in-docker: tidy install update-crds$(HELM)
 	docker run --rm -i$(DOCKER_TTY_ARG) \
 		--volume $(PWD):/go/src/github.com/metal-stack/gardener-extension-provider-metal golang:$(GO_VERSION) \
 			sh -c "cd /go/src/github.com/metal-stack/gardener-extension-provider-metal \

charts/internal/shoot-storageclasses/templates/storageclasses.yaml

@@ -1,3 +1,4 @@
+{{ if not .Values.disableCsiLvm }}
 ---
 apiVersion: v1
 kind: Namespace
@@ -255,3 +256,4 @@ spec:
             path: /run/lock/lvm
             type: DirectoryOrCreate
           name: lvmlock
+{{ end }}

charts/internal/shoot-storageclasses/values.yaml

@@ -1,6 +1,7 @@
 ---
 images:
-    csi-lvm-controller: image-repository:image-tag
-    csi-lvm-provisioner: image-repository:image-tag
+  csi-lvm-controller: image-repository:image-tag
+  csi-lvm-provisioner: image-repository:image-tag
 
 isDefaultStorageClass: true
+disableCsiLvm: false

pkg/apis/metal/types_controlplane.go

@@ -63,6 +63,11 @@ type ControlPlaneFeatures struct {
 	// Deprecated: This is not used anymore. The gardener-extension-audit handles cluster auditing.
 	// +optional
 	AuditToSplunk *bool
+
+	// DisableCsiLvm disables the deployment of the csi-lvm driver for the control plane.
+	// In order to deploy the new csi-driver-lvm, the feature gate must be enabled so the old driver is removed.
+	// +optional
+	DisableCsiLvm *bool `json:"disableCsiLvm,omitempty"`
 }
 
 // CloudControllerManagerConfig contains configuration settings for the cloud-controller-manager.

pkg/apis/metal/v1alpha1/types_controlplane.go

@@ -62,6 +62,11 @@ type ControlPlaneFeatures struct {
 	// Deprecated: This is not used anymore. The gardener-extension-audit handles cluster auditing.
 	// +optional
 	AuditToSplunk *bool `json:"auditToSplunk,omitempty"`
+
+	// DisableCsiLvm disables the deployment of the csi-lvm driver for the control plane.
+	// In order to deploy the new csi-driver-lvm, the feature gate must be enabled so the old driver is removed.
+	// +optional
+	DisableCsiLvm *bool `json:"disableCsiLvm,omitempty"`
 }
 
 // CloudControllerManagerConfig contains configuration settings for the cloud-controller-manager.

pkg/controller/controlplane/valuesprovider.go

@@ -700,8 +700,14 @@ func (vp *valuesProvider) GetStorageClassesChartValues(_ context.Context, contro
 		isDefaultSC = false
 	}
 
+	disableCsiLvm := false
+	if cp.FeatureGates.DisableCsiLvm != nil {
+		disableCsiLvm = *cp.FeatureGates.DisableCsiLvm
+	}
+
 	values := map[string]interface{}{
 		"isDefaultStorageClass": isDefaultSC,
+		"disableCsiLvm":         disableCsiLvm,
 	}
 
 	return values, nil