feat: add accessMode in storageClassMap

fix

Author: andyzhangx

Diff for: deployment/kubernetes/example/default_example_provisioner_generated.yaml

@@ -15,6 +15,7 @@ data:
          - "/scripts/shred.sh"
          - "2"
        volumeMode: Filesystem
+       accessMode: ReadWriteOnce
        fsType: ext4
        namePattern: "*"
 ---

Diff for: docs/provisioner.md

@@ -128,6 +128,8 @@ data:
   #       # intended to use as a formatted filesystem volume or to remain in block
   #       # state. Value of Filesystem is implied when omitted.
   #       volumeMode: Filesystem
+  #       # Access mode of the volume. default to ReadWriteOnce if not specified.
+  #       accessMode: ReadWriteOnce
   #       # The filesystem to format before mounting on the node. This applies
   #       # only when the volume source is a device and mode is Filesystem.
   #       # The default value is to auto-select a filesystem in Kubernetes if unspecified.

Diff for: helm/examples/baremetal-default-storage.yaml

@@ -2,6 +2,7 @@ classes:
 - name: local-storage
   hostDir: /mnt/disks
   volumeMode: Filesystem
+  accessMode: ReadWriteOnce
   storageClass: 
     # create and set storage class as default
     isDefaultClass: true

Diff for: helm/provisioner/values.yaml

@@ -62,6 +62,8 @@ classes:
     # The volume mode of created PersistentVolume object. Default to Filesystem
     # if not specified.
     volumeMode: Filesystem
+    # Access mode of the volume. default to ReadWriteOnce if not specified.
+    accessMode: ReadWriteOnce
     # Filesystem type to mount.
     # It applies only when the source path is a block device,
     # and desire volume mode is Filesystem.

Diff for: pkg/common/common.go

@@ -132,6 +132,9 @@ type MountConfig struct {
 	// The volume mode of created PersistentVolume object,
 	// default to Filesystem if not specified.
 	VolumeMode string `json:"volumeMode" yaml:"volumeMode"`
+	// The access mode of created PersistentVolume object
+	// default to ReadWriteOnce if not specified.
+	AccessMode string `json:"accessMode" yaml:"accessMode"`
 	// Filesystem type to mount.
 	// It applies only when the source path is a block device,
 	// and desire volume mode is Filesystem.
@@ -180,6 +183,7 @@ type LocalPVConfig struct {
 	AffinityAnn     string
 	NodeAffinity    *v1.VolumeNodeAffinity
 	VolumeMode      v1.PersistentVolumeMode
+	AccessMode      v1.PersistentVolumeAccessMode
 	MountOptions    []string
 	FsType          *string
 	Labels          map[string]string
@@ -248,14 +252,18 @@ func CreateLocalPVSpec(config *LocalPVConfig) *v1.PersistentVolume {
 				},
 			},
 			AccessModes: []v1.PersistentVolumeAccessMode{
-				v1.ReadWriteOnce,
+				config.AccessMode,
 			},
 			StorageClassName: config.StorageClass,
 			VolumeMode:       &config.VolumeMode,
 			MountOptions:     config.MountOptions,
 		},
 	}
 
+	if config.AccessMode == "" {
+		pv.Spec.AccessModes = []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce}
+	}
+
 	if config.UseAlphaAPI {
 		pv.ObjectMeta.Annotations[AlphaStorageNodeAffinityAnnotation] = config.AffinityAnn
 	} else {

Diff for: pkg/discovery/discovery.go

@@ -305,6 +305,10 @@ func (d *Discoverer) discoverVolumesAtPath(class string, config common.MountConf
 		}
 
 		var capacityByte int64
+		desiredAccessMode := v1.ReadWriteOnce
+		if config.AccessMode != "" {
+			desiredAccessMode = v1.PersistentVolumeAccessMode(config.AccessMode)
+		}
 		desireVolumeMode := v1.PersistentVolumeMode(config.VolumeMode)
 		switch volMode {
 		case v1.PersistentVolumeBlock:
@@ -345,7 +349,7 @@ func (d *Discoverer) discoverVolumesAtPath(class string, config common.MountConf
 			continue
 		}
 
-		err = d.createPV(file, class, reclaimPolicy, mountOptions, config, capacityByte, desireVolumeMode, startTime)
+		err = d.createPV(file, class, reclaimPolicy, mountOptions, config, capacityByte, desireVolumeMode, desiredAccessMode, startTime)
 		if err != nil {
 			discoErrors = append(discoErrors, err)
 		}
@@ -367,7 +371,7 @@ func generatePVName(file, node, class string) string {
 	return fmt.Sprintf("local-pv-%x", h.Sum32())
 }
 
-func (d *Discoverer) createPV(file, class string, reclaimPolicy v1.PersistentVolumeReclaimPolicy, mountOptions []string, config common.MountConfig, capacityByte int64, volMode v1.PersistentVolumeMode, startTime time.Time) error {
+func (d *Discoverer) createPV(file, class string, reclaimPolicy v1.PersistentVolumeReclaimPolicy, mountOptions []string, config common.MountConfig, capacityByte int64, volMode v1.PersistentVolumeMode, accessMode v1.PersistentVolumeAccessMode, startTime time.Time) error {
 	pvName := generatePVName(file, d.Node.Name, class)
 	outsidePath := filepath.Join(config.HostDir, file)
 
@@ -382,6 +386,7 @@ func (d *Discoverer) createPV(file, class string, reclaimPolicy v1.PersistentVol
 		ReclaimPolicy:   reclaimPolicy,
 		ProvisionerName: d.Name,
 		VolumeMode:      volMode,
+		AccessMode:      accessMode,
 		Labels:          d.Labels,
 		MountOptions:    mountOptions,
 		SetPVOwnerRef:   d.SetPVOwnerRef,