feat: support alternative driver name

Makefile

@@ -16,7 +16,6 @@ PKG = sigs.k8s.io/azuredisk-csi-driver
 GIT_COMMIT ?= $(shell git rev-parse HEAD)
 REGISTRY ?= andyzhangx
 REGISTRY_NAME ?= $(shell echo $(REGISTRY) | sed "s/.azurecr.io//g")
-DRIVER_NAME = disk.csi.azure.com
 IMAGE_NAME ?= azuredisk-csi
 ifndef BUILD_V2
 PLUGIN_NAME = azurediskplugin
@@ -39,9 +38,8 @@ IMAGE_TAG ?= $(REGISTRY)/$(IMAGE_NAME):$(IMAGE_VERSION)
 IMAGE_TAG_LATEST = $(REGISTRY)/$(IMAGE_NAME):latest
 REV = $(shell git describe --long --tags --dirty)
 BUILD_DATE ?= $(shell date -u +"%Y-%m-%dT%H:%M:%SZ")
-TOPOLOGY_KEY = topology.$(DRIVER_NAME)/zone
 ENABLE_TOPOLOGY ?= false
-LDFLAGS ?= "-X ${PKG}/pkg/azuredisk.driverVersion=${IMAGE_VERSION} -X ${PKG}/pkg/azuredisk.gitCommit=${GIT_COMMIT} -X ${PKG}/pkg/azuredisk.buildDate=${BUILD_DATE} -X ${PKG}/pkg/azuredisk.DriverName=${DRIVER_NAME} -X ${PKG}/pkg/azuredisk.topologyKey=${TOPOLOGY_KEY} -extldflags "-static"" ${GOTAGS}
+LDFLAGS ?= "-X ${PKG}/pkg/azuredisk.driverVersion=${IMAGE_VERSION} -X ${PKG}/pkg/azuredisk.gitCommit=${GIT_COMMIT} -X ${PKG}/pkg/azuredisk.buildDate=${BUILD_DATE} -extldflags "-static"" ${GOTAGS}
 E2E_HELM_OPTIONS ?= --set image.azuredisk.repository=$(REGISTRY)/$(IMAGE_NAME) --set image.azuredisk.tag=$(IMAGE_VERSION) --set image.azuredisk.pullPolicy=Always
 E2E_HELM_OPTIONS += ${EXTRA_HELM_OPTIONS}
 GINKGO_FLAGS = -ginkgo.v

charts/README.md

@@ -46,6 +46,7 @@ The following table lists the configurable parameters of the latest Azure Disk C
 
 | Parameter                                         | Description                                                | Default                                                      |
 | ------------------------------------------------- | ---------------------------------------------------------- | ------------------------------------------------------------ |
+| `driver.name`                                     | alternative driver name                        | `disk.csi.azure.com` |
 | `feature.enableFSGroupPolicy`                     | enable `fsGroupPolicy` on a k8s 1.20+ cluster           | `false`                      |
 | `image.azuredisk.repository`                      | azuredisk-csi-driver docker image                          | mcr.microsoft.com/k8s/csi/azuredisk-csi                      |
 | `image.azuredisk.tag`                             | azuredisk-csi-driver docker image tag                      | latest                                                       |

charts/latest/azuredisk-csi-driver/templates/csi-azuredisk-controller.yaml

@@ -142,6 +142,7 @@ spec:
             - "--endpoint=$(CSI_ENDPOINT)"
             - "--metrics-address=0.0.0.0:{{ .Values.controller.metricsPort }}"
             - "--disable-avset-nodes={{ .Values.controller.disableAvailabilitySetNodes }}"
+            - "--drivername={{ .Values.driver.name }}"
           ports:
             - containerPort: 29602
               name: healthz

charts/latest/azuredisk-csi-driver/templates/csi-azuredisk-driver.yaml

@@ -1,7 +1,7 @@
 apiVersion: storage.k8s.io/v1
 kind: CSIDriver
 metadata:
-  name: disk.csi.azure.com
+  name: {{ .Values.driver.name }}
 spec:
   attachRequired: true
   podInfoOnMount: false

charts/latest/azuredisk-csi-driver/templates/csi-azuredisk-node-windows.yaml

@@ -59,11 +59,11 @@ spec:
           args:
             - "--v=2"
             - "--csi-address=$(CSI_ENDPOINT)"
-            - "--kubelet-registration-path=C:\\var\\lib\\kubelet\\plugins\\disk.csi.azure.com\\csi.sock"
+            - "--kubelet-registration-path=C:\\var\\lib\\kubelet\\plugins\\{{ .Values.driver.name }}\\csi.sock"
           lifecycle:
             preStop:
               exec:
-                command: ["cmd", "/c", "del /f C:\\registration\\disk.csi.azure.com-reg.sock C:\\csi\\disk.csi.azure.com\\csi.sock"]
+                command: ["cmd", "/c", "del /f C:\\registration\\{{ .Values.driver.name }}-reg.sock C:\\csi\\{{ .Values.driver.name }}\\csi.sock"]
           env:
             - name: CSI_ENDPOINT
               value: unix://C:\\csi\\csi.sock
@@ -93,6 +93,7 @@ spec:
             - "--endpoint=$(CSI_ENDPOINT)"
             - "--nodeid=$(KUBE_NODE_NAME)"
             - "--metrics-address=0.0.0.0:{{ .Values.node.metricsPort }}"
+            - "--drivername={{ .Values.driver.name }}"
           ports:
             - containerPort: 29603
               name: healthz
@@ -170,7 +171,7 @@ spec:
             type: Directory
         - name: plugin-dir
           hostPath:
-            path: {{ .Values.windows.kubelet }}\plugins\disk.csi.azure.com\
+            path: {{ .Values.windows.kubelet }}\plugins\{{ .Values.driver.name }}\
             type: DirectoryOrCreate
         - name: azure-config
           hostPath:

charts/latest/azuredisk-csi-driver/templates/csi-azuredisk-node.yaml

@@ -65,12 +65,12 @@ spec:
           lifecycle:
             preStop:
               exec:
-                command: ["/bin/sh", "-c", "rm -rf /registration/disk.csi.azure.com-reg.sock /csi/csi.sock"]
+                command: ["/bin/sh", "-c", "rm -rf /registration/{{ .Values.driver.name }}-reg.sock /csi/csi.sock"]
           env:
             - name: ADDRESS
               value: /csi/csi.sock
             - name: DRIVER_REG_SOCK_PATH
-              value: {{ .Values.linux.kubelet }}/plugins/disk.csi.azure.com/csi.sock
+              value: {{ .Values.linux.kubelet }}/plugins/{{ .Values.driver.name }}/csi.sock
           volumeMounts:
             - name: socket-dir
               mountPath: /csi
@@ -91,6 +91,7 @@ spec:
             - "--nodeid=$(KUBE_NODE_NAME)"
             - "--metrics-address=0.0.0.0:{{ .Values.node.metricsPort }}"
             - "--enable-perf-optimization={{ .Values.linux.enablePerfOptimization }}"
+            - "--drivername={{ .Values.driver.name }}"
           ports:
             - containerPort: 29603
               name: healthz
@@ -166,7 +167,7 @@ spec:
               memory: 20Mi
       volumes:
         - hostPath:
-            path: {{ .Values.linux.kubelet }}/plugins/disk.csi.azure.com
+            path: {{ .Values.linux.kubelet }}/plugins/{{ .Values.driver.name }}
             type: DirectoryOrCreate
           name: socket-dir
         - hostPath:

charts/latest/azuredisk-csi-driver/values.yaml

@@ -75,6 +75,9 @@ snapshot:
 feature:
   enableFSGroupPolicy: false
 
+driver:
+  name: disk.csi.azure.com
+
 linux:
   enabled: true
   kubelet: /var/lib/kubelet

pkg/azuredisk/azuredisk.go

@@ -48,9 +48,9 @@ import (
 
 const (
 	// DriverName driver name
-	DriverName       = "disk.csi.azure.com"
-	azurePublicCloud = "AZUREPUBLICCLOUD"
-	azureStackCloud  = "AZURESTACKCLOUD"
+	DefaultDriverName = "disk.csi.azure.com"
+	azurePublicCloud  = "AZUREPUBLICCLOUD"
+	azureStackCloud   = "AZURESTACKCLOUD"
 
 	errDiskNotFound = "not found"
 	// default IOPS Caps & Throughput Cap (MBps) per https://docs.microsoft.com/en-us/azure/virtual-machines/linux/disks-ultra-ssd
@@ -141,13 +141,15 @@ type Driver struct {
 
 // newDriverV1 Creates a NewCSIDriver object. Assumes vendor version is equal to driver version &
 // does not support optional driver plugin info manifest field. Refer to CSI spec for more details.
-func newDriverV1(nodeID string, enablePerfOptimization bool) *Driver {
+func newDriverV1(nodeID, driverName string, enablePerfOptimization bool) *Driver {
 	driver := Driver{}
-	driver.Name = DriverName
+	driver.Name = driverName
 	driver.Version = driverVersion
 	driver.NodeID = nodeID
 	driver.volumeLocks = volumehelper.NewVolumeLocks()
 
+	topologyKey = fmt.Sprintf("topology.%s/zone", driver.Name)
+
 	cache, err := azcache.NewTimedcache(5*time.Minute, func(key string) (interface{}, error) {
 		return nil, nil
 	})
@@ -161,7 +163,7 @@ func newDriverV1(nodeID string, enablePerfOptimization bool) *Driver {
 
 // Run driver initialization
 func (d *Driver) Run(endpoint, kubeconfig string, disableAVSetNodes, testingMock bool) {
-	versionMeta, err := GetVersionYAML()
+	versionMeta, err := GetVersionYAML(d.Name)
 	if err != nil {
 		klog.Fatalf("%v", err)
 	}

pkg/azuredisk/azuredisk_v1.go

@@ -20,6 +20,6 @@ package azuredisk
 
 // NewDriver Creates a NewCSIDriver object. Assumes vendor version is equal to driver version &
 // does not support optional driver plugin info manifest field. Refer to CSI spec for more details.
-func NewDriver(nodeID string, enablePerfOptimization bool) CSIDriver {
-	return newDriverV1(nodeID, enablePerfOptimization)
+func NewDriver(nodeID, driverName string, enablePerfOptimization bool) CSIDriver {
+	return newDriverV1(nodeID, driverName, enablePerfOptimization)
 }

pkg/azuredisk/azuredisk_v2.go

@@ -21,6 +21,7 @@ package azuredisk
 import (
 	"context"
 	"flag"
+	"fmt"
 	"reflect"
 
 	"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2020-12-01/compute"
@@ -47,34 +48,36 @@ type DriverV2 struct {
 }
 
 // NewDriver creates a Driver or DriverV2 object depending on the --temp-use-driver-v2 flag.
-func NewDriver(nodeID string, enablePerfOptimization bool) CSIDriver {
+func NewDriver(nodeID, driverName string, enablePerfOptimization bool) CSIDriver {
 	var d CSIDriver
 
 	if !*useDriverV2 {
-		d = newDriverV1(nodeID, enablePerfOptimization)
+		d = newDriverV1(nodeID, driverName, enablePerfOptimization)
 	} else {
-		d = newDriverV2(nodeID, enablePerfOptimization)
+		d = newDriverV2(nodeID, driverName, enablePerfOptimization)
 	}
 
 	return d
 }
 
 // newDriverV2 Creates a NewCSIDriver object. Assumes vendor version is equal to driver version &
 // does not support optional driver plugin info manifest field. Refer to CSI spec for more details.
-func newDriverV2(nodeID string, enablePerfOptimization bool) *DriverV2 {
+func newDriverV2(nodeID, driverName string, enablePerfOptimization bool) *DriverV2 {
 	klog.Warning("Using DriverV2")
 	driver := DriverV2{}
-	driver.Name = DriverName
+	driver.Name = driverName
 	driver.Version = driverVersion
 	driver.NodeID = nodeID
 	driver.volumeLocks = volumehelper.NewVolumeLocks()
 	driver.perfOptimizationEnabled = enablePerfOptimization
+
+	topologyKey = fmt.Sprintf("topology.%s/zone", driver.Name)
 	return &driver
 }
 
 // Run driver initialization
 func (d *DriverV2) Run(endpoint, kubeconfig string, disableAVSetNodes, testingMock bool) {
-	versionMeta, err := GetVersionYAML()
+	versionMeta, err := GetVersionYAML(d.Name)
 	if err != nil {
 		klog.Fatalf("%v", err)
 	}

pkg/azuredisk/controllerserver.go

@@ -590,7 +590,7 @@ func (d *Driver) listVolumesInCluster(ctx context.Context, start, maxEntries int
 	rgMap := make(map[string]bool)
 	volSet := make(map[string]bool)
 	for _, pv := range pvList.Items {
-		if pv.Spec.CSI != nil && pv.Spec.CSI.Driver == DriverName {
+		if pv.Spec.CSI != nil && pv.Spec.CSI.Driver == d.Name {
 			diskURI := pv.Spec.CSI.VolumeHandle
 			if err := isValidDiskURI(diskURI); err != nil {
 				klog.Warningf("invalid disk uri (%s) with error(%v)", diskURI, err)

pkg/azuredisk/controllerserver_v2.go

@@ -526,7 +526,7 @@ func (d *DriverV2) listVolumesInCluster(ctx context.Context, start, maxEntries i
 	rgMap := make(map[string]bool)
 	volSet := make(map[string]bool)
 	for _, pv := range pvList.Items {
-		if pv.Spec.CSI != nil && pv.Spec.CSI.Driver == DriverName {
+		if pv.Spec.CSI != nil && pv.Spec.CSI.Driver == d.Name {
 			diskURI := pv.Spec.CSI.VolumeHandle
 			if err := isValidDiskURI(diskURI); err != nil {
 				klog.Warningf("invalid disk uri (%s) with error(%v)", diskURI, err)

pkg/azuredisk/fake_azuredisk.go

@@ -37,7 +37,7 @@ import (
 )
 
 const (
-	fakeDriverName    = "fake.disk.csi.azure.com"
+	fakeDriverName    = "disk.csi.azure.com"
 	fakeNodeID        = "fakeNodeID"
 	fakeDriverVersion = "fakeDriverVersion"
 )

pkg/azuredisk/identityserver_test.go

@@ -25,7 +25,7 @@ import (
 )
 
 const (
-	fakeCSIDriverName = "fake"
+	fakeCSIDriverName = "disk.csi.azure.com"
 	vendorVersion     = "0.3.0"
 )
 

pkg/azuredisk/version.go

@@ -45,9 +45,9 @@ type VersionInfo struct {
 }
 
 // GetVersion returns the version information of the driver
-func GetVersion() VersionInfo {
+func GetVersion(driverName string) VersionInfo {
 	return VersionInfo{
-		DriverName:    DriverName,
+		DriverName:    driverName,
 		DriverVersion: driverVersion,
 		GitCommit:     gitCommit,
 		BuildDate:     buildDate,
@@ -60,8 +60,8 @@ func GetVersion() VersionInfo {
 
 // GetVersionYAML returns the version information of the driver
 // in YAML format
-func GetVersionYAML() (string, error) {
-	info := GetVersion()
+func GetVersionYAML(driverName string) (string, error) {
+	info := GetVersion(driverName)
 	marshalled, err := yaml.Marshal(&info)
 	if err != nil {
 		return "", err

pkg/azuredisk/version_test.go

@@ -27,10 +27,10 @@ import (
 )
 
 func TestGetVersion(t *testing.T) {
-	version := GetVersion()
+	version := GetVersion(DefaultDriverName)
 
 	expected := VersionInfo{
-		DriverName:    DriverName,
+		DriverName:    DefaultDriverName,
 		DriverVersion: "N/A",
 		GitCommit:     "N/A",
 		BuildDate:     "N/A",
@@ -47,12 +47,12 @@ func TestGetVersion(t *testing.T) {
 }
 
 func TestGetVersionYAML(t *testing.T) {
-	resp, err := GetVersionYAML()
+	resp, err := GetVersionYAML("")
 	if err != nil {
 		t.Fatalf("Unexpected error: %v", err)
 	}
 
-	versionInfo := GetVersion()
+	versionInfo := GetVersion("")
 	marshalled, _ := yaml.Marshal(&versionInfo)
 
 	expected := strings.TrimSpace(string(marshalled))

pkg/azurediskplugin/main.go

@@ -41,14 +41,15 @@ var (
 	version                = flag.Bool("version", false, "Print the version and exit.")
 	metricsAddress         = flag.String("metrics-address", "0.0.0.0:29604", "export the metrics")
 	kubeconfig             = flag.String("kubeconfig", "", "Absolute path to the kubeconfig file. Required only when running out of cluster.")
+	driverName             = flag.String("drivername", azuredisk.DefaultDriverName, "name of the driver")
 	disableAVSetNodes      = flag.Bool("disable-avset-nodes", true, "disable DisableAvailabilitySetNodes in cloud config for controller")
 	enablePerfOptimization = flag.Bool("enable-perf-optimization", false, "boolean flag to enable disk perf optimization")
 )
 
 func main() {
 	flag.Parse()
 	if *version {
-		info, err := azuredisk.GetVersionYAML()
+		info, err := azuredisk.GetVersionYAML(*driverName)
 		if err != nil {
 			klog.Fatalln(err)
 		}
@@ -67,7 +68,7 @@ func main() {
 }
 
 func handle() {
-	driver := azuredisk.NewDriver(*nodeID, *enablePerfOptimization)
+	driver := azuredisk.NewDriver(*nodeID, *driverName, *enablePerfOptimization)
 	if driver == nil {
 		klog.Fatalln("Failed to initialize azuredisk CSI Driver")
 	}

pkg/csi-common/fake_driver.go

@@ -17,7 +17,7 @@ limitations under the License.
 package csicommon
 
 const (
-	fakeCSIDriverName = "fake"
+	fakeCSIDriverName = "disk.csi.azure.com"
 	fakeNodeID        = "fakeNodeID"
 )
 

test/e2e/driver/azuredisk_driver.go

@@ -51,7 +51,7 @@ func normalizeProvisioner(provisioner string) string {
 func InitAzureDiskDriver() PVTestDriver {
 	driverName := os.Getenv(AzureDriverNameVar)
 	if driverName == "" {
-		driverName = azuredisk.DriverName
+		driverName = azuredisk.DefaultDriverName
 	}
 
 	klog.Infof("Using azure disk driver: %s", driverName)

test/e2e/dynamic_provisioning_test.go

@@ -917,7 +917,7 @@ func (t *dynamicProvisioningTestSuite) normalizeVolume(volume testsuites.VolumeD
 	case "kubernetes.io/azure-disk":
 		volumeBindingMode := storagev1.VolumeBindingWaitForFirstConsumer
 		volume.VolumeBindingMode = &volumeBindingMode
-	case "", azuredisk.DriverName:
+	case "", azuredisk.DefaultDriverName:
 		if !isMultiZone {
 			return volume
 		}

test/e2e/suite_test.go

@@ -110,7 +110,7 @@ var _ = ginkgo.BeforeSuite(func() {
 		execTestCmd([]testCmd{e2eBootstrap, createMetricsSVC})
 
 		nodeid := os.Getenv("nodeid")
-		azurediskDriver = azuredisk.NewDriver(nodeid, false)
+		azurediskDriver = azuredisk.NewDriver(nodeid, azuredisk.DefaultDriverName, false)
 		kubeconfig := os.Getenv(kubeconfigEnvVar)
 		go func() {
 			os.Setenv("AZURE_CREDENTIAL_FILE", credentials.TempAzureCredentialFilePath)