vendor files

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/BUILD

@@ -0,0 +1,65 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+    "go_test",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "nodemanager.go",
+        "vsphere.go",
+        "vsphere_util.go",
+    ],
+    importpath = "k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere",
+    deps = [
+        "//pkg/apis/core/v1/helper:go_default_library",
+        "//pkg/cloudprovider:go_default_library",
+        "//pkg/cloudprovider/providers/vsphere/vclib:go_default_library",
+        "//pkg/cloudprovider/providers/vsphere/vclib/diskmanagers:go_default_library",
+        "//pkg/controller:go_default_library",
+        "//vendor/github.com/golang/glog:go_default_library",
+        "//vendor/github.com/vmware/govmomi:go_default_library",
+        "//vendor/github.com/vmware/govmomi/vim25:go_default_library",
+        "//vendor/github.com/vmware/govmomi/vim25/mo:go_default_library",
+        "//vendor/golang.org/x/net/context:go_default_library",
+        "//vendor/gopkg.in/gcfg.v1:go_default_library",
+        "//vendor/k8s.io/api/core/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/util/wait:go_default_library",
+        "//vendor/k8s.io/client-go/informers:go_default_library",
+        "//vendor/k8s.io/client-go/tools/cache:go_default_library",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["vsphere_test.go"],
+    importpath = "k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere",
+    library = ":go_default_library",
+    deps = [
+        "//pkg/cloudprovider:go_default_library",
+        "//pkg/cloudprovider/providers/vsphere/vclib:go_default_library",
+        "//vendor/golang.org/x/net/context:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/util/rand:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [
+        ":package-srcs",
+        "//pkg/cloudprovider/providers/vsphere/vclib:all-srcs",
+    ],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/OWNERS

@@ -0,0 +1,7 @@
+approvers:
+- abrarshivani
+- baludontu
+- divyenpatel
+- imkin
+- kerneltime
+- luomiao

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/nodemanager.go

@@ -0,0 +1,319 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vsphere
+
+import (
+	"fmt"
+	"strings"
+	"sync"
+
+	"github.com/golang/glog"
+	"golang.org/x/net/context"
+	"k8s.io/api/core/v1"
+	k8stypes "k8s.io/apimachinery/pkg/types"
+	"k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib"
+)
+
+// Stores info about the kubernetes node
+type NodeInfo struct {
+	dataCenter *vclib.Datacenter
+	vm         *vclib.VirtualMachine
+	vcServer   string
+}
+
+type NodeManager struct {
+	// TODO: replace map with concurrent map when k8s supports go v1.9
+
+	// Maps the VC server to VSphereInstance
+	vsphereInstanceMap map[string]*VSphereInstance
+	// Maps node name to node info.
+	nodeInfoMap map[string]*NodeInfo
+	// Maps node name to node structure
+	registeredNodes map[string]*v1.Node
+
+	// Mutexes
+	registeredNodesLock sync.RWMutex
+	nodeInfoLock        sync.RWMutex
+}
+
+type NodeDetails struct {
+	NodeName string
+	vm       *vclib.VirtualMachine
+}
+
+// TODO: Make it configurable in vsphere.conf
+const (
+	POOL_SIZE  = 8
+	QUEUE_SIZE = POOL_SIZE * 10
+)
+
+func (nm *NodeManager) DiscoverNode(node *v1.Node) error {
+	type VmSearch struct {
+		vc         string
+		datacenter *vclib.Datacenter
+	}
+
+	var mutex = &sync.Mutex{}
+	var globalErrMutex = &sync.Mutex{}
+	var queueChannel chan *VmSearch
+	var wg sync.WaitGroup
+	var globalErr *error
+
+	queueChannel = make(chan *VmSearch, QUEUE_SIZE)
+	nodeUUID := node.Status.NodeInfo.SystemUUID
+	vmFound := false
+	globalErr = nil
+
+	setGlobalErr := func(err error) {
+		globalErrMutex.Lock()
+		globalErr = &err
+		globalErrMutex.Unlock()
+	}
+
+	setVMFound := func(found bool) {
+		mutex.Lock()
+		vmFound = found
+		mutex.Unlock()
+	}
+
+	getVMFound := func() bool {
+		mutex.Lock()
+		found := vmFound
+		mutex.Unlock()
+		return found
+	}
+
+	go func() {
+		var datacenterObjs []*vclib.Datacenter
+		for vc, vsi := range nm.vsphereInstanceMap {
+
+			found := getVMFound()
+			if found == true {
+				break
+			}
+
+			// Create context
+			ctx, cancel := context.WithCancel(context.Background())
+			defer cancel()
+
+			err := vsi.conn.Connect(ctx)
+			if err != nil {
+				glog.V(4).Info("Discovering node error vc:", err)
+				setGlobalErr(err)
+				continue
+			}
+
+			if vsi.cfg.Datacenters == "" {
+				datacenterObjs, err = vclib.GetAllDatacenter(ctx, vsi.conn)
+				if err != nil {
+					glog.V(4).Info("Discovering node error dc:", err)
+					setGlobalErr(err)
+					continue
+				}
+			} else {
+				datacenters := strings.Split(vsi.cfg.Datacenters, ",")
+				for _, dc := range datacenters {
+					dc = strings.TrimSpace(dc)
+					if dc == "" {
+						continue
+					}
+					datacenterObj, err := vclib.GetDatacenter(ctx, vsi.conn, dc)
+					if err != nil {
+						glog.V(4).Info("Discovering node error dc:", err)
+						setGlobalErr(err)
+						continue
+					}
+					datacenterObjs = append(datacenterObjs, datacenterObj)
+				}
+			}
+
+			for _, datacenterObj := range datacenterObjs {
+				found := getVMFound()
+				if found == true {
+					break
+				}
+
+				glog.V(4).Infof("Finding node %s in vc=%s and datacenter=%s", node.Name, vc, datacenterObj.Name())
+				queueChannel <- &VmSearch{
+					vc:         vc,
+					datacenter: datacenterObj,
+				}
+			}
+		}
+		close(queueChannel)
+	}()
+
+	for i := 0; i < POOL_SIZE; i++ {
+		go func() {
+			for res := range queueChannel {
+				ctx, cancel := context.WithCancel(context.Background())
+				defer cancel()
+				vm, err := res.datacenter.GetVMByUUID(ctx, nodeUUID)
+				if err != nil {
+					glog.V(4).Infof("Error %q while looking for vm=%+v in vc=%s and datacenter=%s",
+						err, node.Name, vm, res.vc, res.datacenter.Name())
+					if err != vclib.ErrNoVMFound {
+						setGlobalErr(err)
+					} else {
+						glog.V(4).Infof("Did not find node %s in vc=%s and datacenter=%s",
+							node.Name, res.vc, res.datacenter.Name(), err)
+					}
+					continue
+				}
+				if vm != nil {
+					glog.V(4).Infof("Found node %s as vm=%+v in vc=%s and datacenter=%s",
+						node.Name, vm, res.vc, res.datacenter.Name())
+
+					nodeInfo := &NodeInfo{dataCenter: res.datacenter, vm: vm, vcServer: res.vc}
+					nm.addNodeInfo(node.ObjectMeta.Name, nodeInfo)
+					for range queueChannel {
+					}
+					setVMFound(true)
+					break
+				}
+			}
+			wg.Done()
+		}()
+		wg.Add(1)
+	}
+	wg.Wait()
+	if vmFound {
+		return nil
+	}
+	if globalErr != nil {
+		return *globalErr
+	}
+
+	glog.V(4).Infof("Discovery Node: %q vm not found", node.Name)
+	return vclib.ErrNoVMFound
+}
+
+func (nm *NodeManager) RegisterNode(node *v1.Node) error {
+	nm.addNode(node)
+	nm.DiscoverNode(node)
+	return nil
+}
+
+func (nm *NodeManager) UnRegisterNode(node *v1.Node) error {
+	nm.removeNode(node)
+	return nil
+}
+
+func (nm *NodeManager) RediscoverNode(nodeName k8stypes.NodeName) error {
+	node, err := nm.GetNode(nodeName)
+
+	if err != nil {
+		return err
+	}
+	return nm.DiscoverNode(&node)
+}
+
+func (nm *NodeManager) GetNode(nodeName k8stypes.NodeName) (v1.Node, error) {
+	nm.registeredNodesLock.RLock()
+	node := nm.registeredNodes[convertToString(nodeName)]
+	nm.registeredNodesLock.RUnlock()
+	if node == nil {
+		return v1.Node{}, vclib.ErrNoVMFound
+	}
+	return *node, nil
+}
+
+func (nm *NodeManager) addNode(node *v1.Node) {
+	nm.registeredNodesLock.Lock()
+	nm.registeredNodes[node.ObjectMeta.Name] = node
+	nm.registeredNodesLock.Unlock()
+}
+
+func (nm *NodeManager) removeNode(node *v1.Node) {
+	nm.registeredNodesLock.Lock()
+	delete(nm.registeredNodes, node.ObjectMeta.Name)
+	nm.registeredNodesLock.Unlock()
+
+	nm.nodeInfoLock.Lock()
+	delete(nm.nodeInfoMap, node.ObjectMeta.Name)
+	nm.nodeInfoLock.Unlock()
+}
+
+// GetNodeInfo returns a NodeInfo which datacenter, vm and vc server ip address.
+// This method returns an error if it is unable find node VCs and DCs listed in vSphere.conf
+// NodeInfo returned may not be updated to reflect current VM location.
+func (nm *NodeManager) GetNodeInfo(nodeName k8stypes.NodeName) (NodeInfo, error) {
+	getNodeInfo := func(nodeName k8stypes.NodeName) *NodeInfo {
+		nm.nodeInfoLock.RLock()
+		nodeInfo := nm.nodeInfoMap[convertToString(nodeName)]
+		nm.nodeInfoLock.RUnlock()
+		return nodeInfo
+	}
+	nodeInfo := getNodeInfo(nodeName)
+	if nodeInfo == nil {
+		err := nm.RediscoverNode(nodeName)
+		if err != nil {
+			glog.V(4).Infof("error %q node info for node %q not found", err, convertToString(nodeName))
+			return NodeInfo{}, err
+		}
+		nodeInfo = getNodeInfo(nodeName)
+	}
+	return *nodeInfo, nil
+}
+
+func (nm *NodeManager) GetNodeDetails() ([]NodeDetails, error) {
+	nm.nodeInfoLock.RLock()
+	defer nm.nodeInfoLock.RUnlock()
+	var nodeDetails []NodeDetails
+	vsphereSessionRefreshMap := make(map[string]bool)
+
+	// Create context
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	for nodeName, nodeInfo := range nm.nodeInfoMap {
+		nodeDetails = append(nodeDetails, NodeDetails{nodeName, nodeInfo.vm})
+		if vsphereSessionRefreshMap[nodeInfo.vcServer] {
+			continue
+		}
+		vsphereInstance := nm.vsphereInstanceMap[nodeInfo.vcServer]
+		if vsphereInstance == nil {
+			err := fmt.Errorf("vSphereInstance for vc server %q not found while looking for vm %q", nodeInfo.vcServer, nodeInfo.vm)
+			return nil, err
+		}
+		err := vsphereInstance.conn.Connect(ctx)
+		if err != nil {
+			return nil, err
+		}
+		vsphereSessionRefreshMap[nodeInfo.vcServer] = true
+	}
+	return nodeDetails, nil
+}
+
+func (nm *NodeManager) addNodeInfo(nodeName string, nodeInfo *NodeInfo) {
+	nm.nodeInfoLock.Lock()
+	nm.nodeInfoMap[nodeName] = nodeInfo
+	nm.nodeInfoLock.Unlock()
+}
+
+func (nm *NodeManager) GetVSphereInstance(nodeName k8stypes.NodeName) (VSphereInstance, error) {
+	nodeInfo, err := nm.GetNodeInfo(nodeName)
+	if err != nil {
+		glog.V(4).Infof("node info for node %q not found", convertToString(nodeName))
+		return VSphereInstance{}, err
+	}
+	vsphereInstance := nm.vsphereInstanceMap[nodeInfo.vcServer]
+	if vsphereInstance == nil {
+		return VSphereInstance{}, fmt.Errorf("vSphereInstance for vc server %q not found while looking for node %q", nodeInfo.vcServer, convertToString(nodeName))
+	}
+	return *vsphereInstance, nil
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/BUILD

@@ -0,0 +1,57 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "connection.go",
+        "constants.go",
+        "custom_errors.go",
+        "datacenter.go",
+        "datastore.go",
+        "folder.go",
+        "pbm.go",
+        "utils.go",
+        "virtualmachine.go",
+        "vmoptions.go",
+        "volumeoptions.go",
+        "vsphere_metrics.go",
+    ],
+    importpath = "k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib",
+    deps = [
+        "//vendor/github.com/golang/glog:go_default_library",
+        "//vendor/github.com/prometheus/client_golang/prometheus:go_default_library",
+        "//vendor/github.com/vmware/govmomi:go_default_library",
+        "//vendor/github.com/vmware/govmomi/find:go_default_library",
+        "//vendor/github.com/vmware/govmomi/object:go_default_library",
+        "//vendor/github.com/vmware/govmomi/pbm:go_default_library",
+        "//vendor/github.com/vmware/govmomi/pbm/types:go_default_library",
+        "//vendor/github.com/vmware/govmomi/property:go_default_library",
+        "//vendor/github.com/vmware/govmomi/session:go_default_library",
+        "//vendor/github.com/vmware/govmomi/vim25:go_default_library",
+        "//vendor/github.com/vmware/govmomi/vim25/mo:go_default_library",
+        "//vendor/github.com/vmware/govmomi/vim25/soap:go_default_library",
+        "//vendor/github.com/vmware/govmomi/vim25/types:go_default_library",
+        "//vendor/golang.org/x/net/context:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [
+        ":package-srcs",
+        "//pkg/cloudprovider/providers/vsphere/vclib/diskmanagers:all-srcs",
+    ],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/connection.go

@@ -0,0 +1,99 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import (
+	"fmt"
+	neturl "net/url"
+	"sync"
+
+	"github.com/golang/glog"
+	"github.com/vmware/govmomi"
+	"github.com/vmware/govmomi/session"
+	"github.com/vmware/govmomi/vim25"
+	"golang.org/x/net/context"
+)
+
+// VSphereConnection contains information for connecting to vCenter
+type VSphereConnection struct {
+	GoVmomiClient     *govmomi.Client
+	Username          string
+	Password          string
+	Hostname          string
+	Port              string
+	Insecure          bool
+	RoundTripperCount uint
+}
+
+var (
+	clientLock sync.Mutex
+)
+
+// Connect makes connection to vCenter and sets VSphereConnection.GoVmomiClient.
+// If connection.GoVmomiClient is already set, it obtains the existing user session.
+// if user session is not valid, connection.GoVmomiClient will be set to the new client.
+func (connection *VSphereConnection) Connect(ctx context.Context) error {
+	var err error
+	clientLock.Lock()
+	defer clientLock.Unlock()
+
+	if connection.GoVmomiClient == nil {
+		connection.GoVmomiClient, err = connection.NewClient(ctx)
+		if err != nil {
+			glog.Errorf("Failed to create govmomi client. err: %+v", err)
+			return err
+		}
+		return nil
+	}
+	m := session.NewManager(connection.GoVmomiClient.Client)
+	userSession, err := m.UserSession(ctx)
+	if err != nil {
+		glog.Errorf("Error while obtaining user session. err: %+v", err)
+		return err
+	}
+	if userSession != nil {
+		return nil
+	}
+	glog.Warningf("Creating new client session since the existing session is not valid or not authenticated")
+	connection.GoVmomiClient.Logout(ctx)
+	connection.GoVmomiClient, err = connection.NewClient(ctx)
+	if err != nil {
+		glog.Errorf("Failed to create govmomi client. err: %+v", err)
+		return err
+	}
+	return nil
+}
+
+// NewClient creates a new govmomi client for the VSphereConnection obj
+func (connection *VSphereConnection) NewClient(ctx context.Context) (*govmomi.Client, error) {
+	url, err := neturl.Parse(fmt.Sprintf("https://%s:%s/sdk", connection.Hostname, connection.Port))
+	if err != nil {
+		glog.Errorf("Failed to parse URL: %s. err: %+v", url, err)
+		return nil, err
+	}
+	url.User = neturl.UserPassword(connection.Username, connection.Password)
+	client, err := govmomi.NewClient(ctx, url, connection.Insecure)
+	if err != nil {
+		glog.Errorf("Failed to create new client. err: %+v", err)
+		return nil, err
+	}
+	if connection.RoundTripperCount == 0 {
+		connection.RoundTripperCount = RoundTripperDefaultCount
+	}
+	client.RoundTripper = vim25.Retry(client.RoundTripper, vim25.TemporaryNetworkError(int(connection.RoundTripperCount)))
+	return client, nil
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/constants.go

@@ -0,0 +1,52 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+// Volume Constnts
+const (
+	ThinDiskType             = "thin"
+	PreallocatedDiskType     = "preallocated"
+	EagerZeroedThickDiskType = "eagerZeroedThick"
+	ZeroedThickDiskType      = "zeroedThick"
+)
+
+// Controller Constants
+const (
+	SCSIControllerLimit       = 4
+	SCSIControllerDeviceLimit = 15
+	SCSIDeviceSlots           = 16
+	SCSIReservedSlot          = 7
+
+	SCSIControllerType        = "scsi"
+	LSILogicControllerType    = "lsiLogic"
+	BusLogicControllerType    = "busLogic"
+	LSILogicSASControllerType = "lsiLogic-sas"
+	PVSCSIControllerType      = "pvscsi"
+)
+
+// Other Constants
+const (
+	LogLevel                 = 4
+	DatastoreProperty        = "datastore"
+	ResourcePoolProperty     = "resourcePool"
+	DatastoreInfoProperty    = "info"
+	VirtualMachineType       = "VirtualMachine"
+	RoundTripperDefaultCount = 3
+	VSANDatastoreType        = "vsan"
+	DummyVMPrefixName        = "vsphere-k8s"
+	ActivePowerState         = "poweredOn"
+)

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/custom_errors.go

@@ -0,0 +1,39 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import "errors"
+
+// Error Messages
+const (
+	FileAlreadyExistErrMsg     = "File requested already exist"
+	NoDiskUUIDFoundErrMsg      = "No disk UUID found"
+	NoDevicesFoundErrMsg       = "No devices found"
+	DiskNotFoundErrMsg         = "No vSphere disk ID found"
+	InvalidVolumeOptionsErrMsg = "VolumeOptions verification failed"
+	NoVMFoundErrMsg            = "No VM found"
+)
+
+// Error constants
+var (
+	ErrFileAlreadyExist     = errors.New(FileAlreadyExistErrMsg)
+	ErrNoDiskUUIDFound      = errors.New(NoDiskUUIDFoundErrMsg)
+	ErrNoDevicesFound       = errors.New(NoDevicesFoundErrMsg)
+	ErrNoDiskIDFound        = errors.New(DiskNotFoundErrMsg)
+	ErrInvalidVolumeOptions = errors.New(InvalidVolumeOptionsErrMsg)
+	ErrNoVMFound            = errors.New(NoVMFoundErrMsg)
+)

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/datacenter.go

@@ -0,0 +1,325 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import (
+	"errors"
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"github.com/golang/glog"
+	"github.com/vmware/govmomi/find"
+	"github.com/vmware/govmomi/object"
+	"github.com/vmware/govmomi/property"
+	"github.com/vmware/govmomi/vim25/mo"
+	"github.com/vmware/govmomi/vim25/types"
+	"golang.org/x/net/context"
+)
+
+// Datacenter extends the govmomi Datacenter object
+type Datacenter struct {
+	*object.Datacenter
+}
+
+// GetDatacenter returns the DataCenter Object for the given datacenterPath
+// If datacenter is located in a folder, include full path to datacenter else just provide the datacenter name
+func GetDatacenter(ctx context.Context, connection *VSphereConnection, datacenterPath string) (*Datacenter, error) {
+	finder := find.NewFinder(connection.GoVmomiClient.Client, true)
+	datacenter, err := finder.Datacenter(ctx, datacenterPath)
+	if err != nil {
+		glog.Errorf("Failed to find the datacenter: %s. err: %+v", datacenterPath, err)
+		return nil, err
+	}
+	dc := Datacenter{datacenter}
+	return &dc, nil
+}
+
+// GetAllDatacenter returns all the DataCenter Objects
+func GetAllDatacenter(ctx context.Context, connection *VSphereConnection) ([]*Datacenter, error) {
+	var dc []*Datacenter
+	finder := find.NewFinder(connection.GoVmomiClient.Client, true)
+	datacenters, err := finder.DatacenterList(ctx, "*")
+	if err != nil {
+		glog.Errorf("Failed to find the datacenter. err: %+v", err)
+		return nil, err
+	}
+	for _, datacenter := range datacenters {
+		dc = append(dc, &(Datacenter{datacenter}))
+	}
+
+	return dc, nil
+}
+
+// GetVMByUUID gets the VM object from the given vmUUID
+func (dc *Datacenter) GetVMByUUID(ctx context.Context, vmUUID string) (*VirtualMachine, error) {
+	s := object.NewSearchIndex(dc.Client())
+	vmUUID = strings.ToLower(strings.TrimSpace(vmUUID))
+	svm, err := s.FindByUuid(ctx, dc.Datacenter, vmUUID, true, nil)
+	if err != nil {
+		glog.Errorf("Failed to find VM by UUID. VM UUID: %s, err: %+v", vmUUID, err)
+		return nil, err
+	}
+	if svm == nil {
+		glog.Errorf("Unable to find VM by UUID. VM UUID: %s", vmUUID)
+		return nil, ErrNoVMFound
+	}
+	virtualMachine := VirtualMachine{object.NewVirtualMachine(dc.Client(), svm.Reference()), dc}
+	return &virtualMachine, nil
+}
+
+// GetVMByPath gets the VM object from the given vmPath
+// vmPath should be the full path to VM and not just the name
+func (dc *Datacenter) GetVMByPath(ctx context.Context, vmPath string) (*VirtualMachine, error) {
+	finder := getFinder(dc)
+	vm, err := finder.VirtualMachine(ctx, vmPath)
+	if err != nil {
+		glog.Errorf("Failed to find VM by Path. VM Path: %s, err: %+v", vmPath, err)
+		return nil, err
+	}
+	virtualMachine := VirtualMachine{vm, dc}
+	return &virtualMachine, nil
+}
+
+// GetAllDatastores gets the datastore URL to DatastoreInfo map for all the datastores in
+// the datacenter.
+func (dc *Datacenter) GetAllDatastores(ctx context.Context) (map[string]*DatastoreInfo, error) {
+	finder := getFinder(dc)
+	datastores, err := finder.DatastoreList(ctx, "*")
+	if err != nil {
+		glog.Errorf("Failed to get all the datastores. err: %+v", err)
+		return nil, err
+	}
+	var dsList []types.ManagedObjectReference
+	for _, ds := range datastores {
+		dsList = append(dsList, ds.Reference())
+	}
+
+	var dsMoList []mo.Datastore
+	pc := property.DefaultCollector(dc.Client())
+	properties := []string{DatastoreInfoProperty}
+	err = pc.Retrieve(ctx, dsList, properties, &dsMoList)
+	if err != nil {
+		glog.Errorf("Failed to get Datastore managed objects from datastore objects."+
+			" dsObjList: %+v, properties: %+v, err: %v", dsList, properties, err)
+		return nil, err
+	}
+
+	dsURLInfoMap := make(map[string]*DatastoreInfo)
+	for _, dsMo := range dsMoList {
+		dsURLInfoMap[dsMo.Info.GetDatastoreInfo().Url] = &DatastoreInfo{
+			&Datastore{object.NewDatastore(dc.Client(), dsMo.Reference()),
+				dc},
+			dsMo.Info.GetDatastoreInfo()}
+	}
+	glog.V(9).Infof("dsURLInfoMap : %+v", dsURLInfoMap)
+	return dsURLInfoMap, nil
+}
+
+// GetDatastoreByPath gets the Datastore object from the given vmDiskPath
+func (dc *Datacenter) GetDatastoreByPath(ctx context.Context, vmDiskPath string) (*Datastore, error) {
+	datastorePathObj := new(object.DatastorePath)
+	isSuccess := datastorePathObj.FromString(vmDiskPath)
+	if !isSuccess {
+		glog.Errorf("Failed to parse vmDiskPath: %s", vmDiskPath)
+		return nil, errors.New("Failed to parse vmDiskPath")
+	}
+	finder := getFinder(dc)
+	ds, err := finder.Datastore(ctx, datastorePathObj.Datastore)
+	if err != nil {
+		glog.Errorf("Failed while searching for datastore: %s. err: %+v", datastorePathObj.Datastore, err)
+		return nil, err
+	}
+	datastore := Datastore{ds, dc}
+	return &datastore, nil
+}
+
+// GetDatastoreByName gets the Datastore object for the given datastore name
+func (dc *Datacenter) GetDatastoreByName(ctx context.Context, name string) (*Datastore, error) {
+	finder := getFinder(dc)
+	ds, err := finder.Datastore(ctx, name)
+	if err != nil {
+		glog.Errorf("Failed while searching for datastore: %s. err: %+v", name, err)
+		return nil, err
+	}
+	datastore := Datastore{ds, dc}
+	return &datastore, nil
+}
+
+// GetResourcePool gets the resource pool for the given path
+func (dc *Datacenter) GetResourcePool(ctx context.Context, computePath string) (*object.ResourcePool, error) {
+	finder := getFinder(dc)
+	var computeResource *object.ComputeResource
+	var err error
+	if computePath == "" {
+		computeResource, err = finder.DefaultComputeResource(ctx)
+	} else {
+		computeResource, err = finder.ComputeResource(ctx, computePath)
+	}
+	if err != nil {
+		glog.Errorf("Failed to get the ResourcePool for computePath '%s'. err: %+v", computePath, err)
+		return nil, err
+	}
+	return computeResource.ResourcePool(ctx)
+}
+
+// GetFolderByPath gets the Folder Object from the given folder path
+// folderPath should be the full path to folder
+func (dc *Datacenter) GetFolderByPath(ctx context.Context, folderPath string) (*Folder, error) {
+	finder := getFinder(dc)
+	vmFolder, err := finder.Folder(ctx, folderPath)
+	if err != nil {
+		glog.Errorf("Failed to get the folder reference for %s. err: %+v", folderPath, err)
+		return nil, err
+	}
+	folder := Folder{vmFolder, dc}
+	return &folder, nil
+}
+
+// GetVMMoList gets the VM Managed Objects with the given properties from the VM object
+func (dc *Datacenter) GetVMMoList(ctx context.Context, vmObjList []*VirtualMachine, properties []string) ([]mo.VirtualMachine, error) {
+	var vmMoList []mo.VirtualMachine
+	var vmRefs []types.ManagedObjectReference
+	if len(vmObjList) < 1 {
+		glog.Errorf("VirtualMachine Object list is empty")
+		return nil, fmt.Errorf("VirtualMachine Object list is empty")
+	}
+
+	for _, vmObj := range vmObjList {
+		vmRefs = append(vmRefs, vmObj.Reference())
+	}
+	pc := property.DefaultCollector(dc.Client())
+	err := pc.Retrieve(ctx, vmRefs, properties, &vmMoList)
+	if err != nil {
+		glog.Errorf("Failed to get VM managed objects from VM objects. vmObjList: %+v, properties: %+v, err: %v", vmObjList, properties, err)
+		return nil, err
+	}
+	return vmMoList, nil
+}
+
+// GetVirtualDiskPage83Data gets the virtual disk UUID by diskPath
+func (dc *Datacenter) GetVirtualDiskPage83Data(ctx context.Context, diskPath string) (string, error) {
+	if len(diskPath) > 0 && filepath.Ext(diskPath) != ".vmdk" {
+		diskPath += ".vmdk"
+	}
+	vdm := object.NewVirtualDiskManager(dc.Client())
+	// Returns uuid of vmdk virtual disk
+	diskUUID, err := vdm.QueryVirtualDiskUuid(ctx, diskPath, dc.Datacenter)
+
+	if err != nil {
+		glog.Warningf("QueryVirtualDiskUuid failed for diskPath: %q. err: %+v", diskPath, err)
+		return "", err
+	}
+	diskUUID = formatVirtualDiskUUID(diskUUID)
+	return diskUUID, nil
+}
+
+// GetDatastoreMoList gets the Datastore Managed Objects with the given properties from the datastore objects
+func (dc *Datacenter) GetDatastoreMoList(ctx context.Context, dsObjList []*Datastore, properties []string) ([]mo.Datastore, error) {
+	var dsMoList []mo.Datastore
+	var dsRefs []types.ManagedObjectReference
+	if len(dsObjList) < 1 {
+		glog.Errorf("Datastore Object list is empty")
+		return nil, fmt.Errorf("Datastore Object list is empty")
+	}
+
+	for _, dsObj := range dsObjList {
+		dsRefs = append(dsRefs, dsObj.Reference())
+	}
+	pc := property.DefaultCollector(dc.Client())
+	err := pc.Retrieve(ctx, dsRefs, properties, &dsMoList)
+	if err != nil {
+		glog.Errorf("Failed to get Datastore managed objects from datastore objects. dsObjList: %+v, properties: %+v, err: %v", dsObjList, properties, err)
+		return nil, err
+	}
+	return dsMoList, nil
+}
+
+// CheckDisksAttached checks if the disk is attached to node.
+// This is done by comparing the volume path with the backing.FilePath on the VM Virtual disk devices.
+func (dc *Datacenter) CheckDisksAttached(ctx context.Context, nodeVolumes map[string][]string) (map[string]map[string]bool, error) {
+	attached := make(map[string]map[string]bool)
+	var vmList []*VirtualMachine
+	for nodeName, volPaths := range nodeVolumes {
+		for _, volPath := range volPaths {
+			setNodeVolumeMap(attached, volPath, nodeName, false)
+		}
+		vm, err := dc.GetVMByPath(ctx, nodeName)
+		if err != nil {
+			if IsNotFound(err) {
+				glog.Warningf("Node %q does not exist, vSphere CP will assume disks %v are not attached to it.", nodeName, volPaths)
+			}
+			continue
+		}
+		vmList = append(vmList, vm)
+	}
+	if len(vmList) == 0 {
+		glog.V(2).Infof("vSphere CP will assume no disks are attached to any node.")
+		return attached, nil
+	}
+	vmMoList, err := dc.GetVMMoList(ctx, vmList, []string{"config.hardware.device", "name"})
+	if err != nil {
+		// When there is an error fetching instance information
+		// it is safer to return nil and let volume information not be touched.
+		glog.Errorf("Failed to get VM Managed object for nodes: %+v. err: +%v", vmList, err)
+		return nil, err
+	}
+
+	for _, vmMo := range vmMoList {
+		if vmMo.Config == nil {
+			glog.Errorf("Config is not available for VM: %q", vmMo.Name)
+			continue
+		}
+		for nodeName, volPaths := range nodeVolumes {
+			if nodeName == vmMo.Name {
+				verifyVolumePathsForVM(vmMo, volPaths, attached)
+			}
+		}
+	}
+	return attached, nil
+}
+
+// VerifyVolumePathsForVM verifies if the volume paths (volPaths) are attached to VM.
+func verifyVolumePathsForVM(vmMo mo.VirtualMachine, volPaths []string, nodeVolumeMap map[string]map[string]bool) {
+	// Verify if the volume paths are present on the VM backing virtual disk devices
+	for _, volPath := range volPaths {
+		vmDevices := object.VirtualDeviceList(vmMo.Config.Hardware.Device)
+		for _, device := range vmDevices {
+			if vmDevices.TypeName(device) == "VirtualDisk" {
+				virtualDevice := device.GetVirtualDevice()
+				if backing, ok := virtualDevice.Backing.(*types.VirtualDiskFlatVer2BackingInfo); ok {
+					if backing.FileName == volPath {
+						setNodeVolumeMap(nodeVolumeMap, volPath, vmMo.Name, true)
+					}
+				}
+			}
+		}
+	}
+}
+
+func setNodeVolumeMap(
+	nodeVolumeMap map[string]map[string]bool,
+	volumePath string,
+	nodeName string,
+	check bool) {
+	volumeMap := nodeVolumeMap[nodeName]
+	if volumeMap == nil {
+		volumeMap = make(map[string]bool)
+		nodeVolumeMap[nodeName] = volumeMap
+	}
+	volumeMap[volumePath] = check
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/datastore.go

@@ -0,0 +1,86 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import (
+	"fmt"
+	"github.com/golang/glog"
+	"github.com/vmware/govmomi/object"
+	"github.com/vmware/govmomi/property"
+	"github.com/vmware/govmomi/vim25/mo"
+	"github.com/vmware/govmomi/vim25/soap"
+	"github.com/vmware/govmomi/vim25/types"
+	"golang.org/x/net/context"
+)
+
+// Datastore extends the govmomi Datastore object
+type Datastore struct {
+	*object.Datastore
+	Datacenter *Datacenter
+}
+
+// DatastoreInfo is a structure to store the Datastore and it's Info.
+type DatastoreInfo struct {
+	*Datastore
+	Info *types.DatastoreInfo
+}
+
+func (di DatastoreInfo) String() string {
+	return fmt.Sprintf("Datastore: %+v, datastore URL: %s", di.Datastore, di.Info.Url)
+}
+
+// CreateDirectory creates the directory at location specified by directoryPath.
+// If the intermediate level folders do not exist, and the parameter createParents is true, all the non-existent folders are created.
+// directoryPath must be in the format "[vsanDatastore] kubevols"
+func (ds *Datastore) CreateDirectory(ctx context.Context, directoryPath string, createParents bool) error {
+	fileManager := object.NewFileManager(ds.Client())
+	err := fileManager.MakeDirectory(ctx, directoryPath, ds.Datacenter.Datacenter, createParents)
+	if err != nil {
+		if soap.IsSoapFault(err) {
+			soapFault := soap.ToSoapFault(err)
+			if _, ok := soapFault.VimFault().(types.FileAlreadyExists); ok {
+				return ErrFileAlreadyExist
+			}
+		}
+		return err
+	}
+	glog.V(LogLevel).Infof("Created dir with path as %+q", directoryPath)
+	return nil
+}
+
+// GetType returns the type of datastore
+func (ds *Datastore) GetType(ctx context.Context) (string, error) {
+	var dsMo mo.Datastore
+	pc := property.DefaultCollector(ds.Client())
+	err := pc.RetrieveOne(ctx, ds.Datastore.Reference(), []string{"summary"}, &dsMo)
+	if err != nil {
+		glog.Errorf("Failed to retrieve datastore summary property. err: %v", err)
+		return "", err
+	}
+	return dsMo.Summary.Type, nil
+}
+
+// IsCompatibleWithStoragePolicy returns true if datastore is compatible with given storage policy else return false
+// for not compatible datastore, fault message is also returned
+func (ds *Datastore) IsCompatibleWithStoragePolicy(ctx context.Context, storagePolicyID string) (bool, string, error) {
+	pbmClient, err := NewPbmClient(ctx, ds.Client())
+	if err != nil {
+		glog.Errorf("Failed to get new PbmClient Object. err: %v", err)
+		return false, "", err
+	}
+	return pbmClient.IsDatastoreCompatible(ctx, storagePolicyID, ds)
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/diskmanagers/BUILD

@@ -0,0 +1,36 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "vdm.go",
+        "virtualdisk.go",
+        "vmdm.go",
+    ],
+    importpath = "k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/diskmanagers",
+    deps = [
+        "//pkg/cloudprovider/providers/vsphere/vclib:go_default_library",
+        "//vendor/github.com/golang/glog:go_default_library",
+        "//vendor/github.com/vmware/govmomi/object:go_default_library",
+        "//vendor/github.com/vmware/govmomi/vim25/types:go_default_library",
+        "//vendor/golang.org/x/net/context:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/diskmanagers/vdm.go

@@ -0,0 +1,92 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package diskmanagers
+
+import (
+	"time"
+
+	"golang.org/x/net/context"
+
+	"github.com/golang/glog"
+	"github.com/vmware/govmomi/object"
+	"github.com/vmware/govmomi/vim25/types"
+	"k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib"
+)
+
+// virtualDiskManager implements VirtualDiskProvider Interface for creating and deleting volume using VirtualDiskManager
+type virtualDiskManager struct {
+	diskPath      string
+	volumeOptions *vclib.VolumeOptions
+}
+
+// Create implements Disk's Create interface
+// Contains implementation of virtualDiskManager based Provisioning
+func (diskManager virtualDiskManager) Create(ctx context.Context, datastore *vclib.Datastore) (canonicalDiskPath string, err error) {
+	if diskManager.volumeOptions.SCSIControllerType == "" {
+		diskManager.volumeOptions.SCSIControllerType = vclib.LSILogicControllerType
+	}
+	// Create virtual disk
+	diskFormat := vclib.DiskFormatValidType[diskManager.volumeOptions.DiskFormat]
+	// Create a virtual disk manager
+	vdm := object.NewVirtualDiskManager(datastore.Client())
+	// Create specification for new virtual disk
+	vmDiskSpec := &types.FileBackedVirtualDiskSpec{
+		VirtualDiskSpec: types.VirtualDiskSpec{
+			AdapterType: diskManager.volumeOptions.SCSIControllerType,
+			DiskType:    diskFormat,
+		},
+		CapacityKb: int64(diskManager.volumeOptions.CapacityKB),
+	}
+	requestTime := time.Now()
+	// Create virtual disk
+	task, err := vdm.CreateVirtualDisk(ctx, diskManager.diskPath, datastore.Datacenter.Datacenter, vmDiskSpec)
+	if err != nil {
+		vclib.RecordvSphereMetric(vclib.APICreateVolume, requestTime, err)
+		glog.Errorf("Failed to create virtual disk: %s. err: %+v", diskManager.diskPath, err)
+		return "", err
+	}
+	taskInfo, err := task.WaitForResult(ctx, nil)
+	vclib.RecordvSphereMetric(vclib.APICreateVolume, requestTime, err)
+	if err != nil {
+		glog.Errorf("Failed to complete virtual disk creation: %s. err: %+v", diskManager.diskPath, err)
+		return "", err
+	}
+	canonicalDiskPath = taskInfo.Result.(string)
+	return canonicalDiskPath, nil
+}
+
+// Delete implements Disk's Delete interface
+func (diskManager virtualDiskManager) Delete(ctx context.Context, datacenter *vclib.Datacenter) error {
+	// Create a virtual disk manager
+	virtualDiskManager := object.NewVirtualDiskManager(datacenter.Client())
+	diskPath := vclib.RemoveStorageClusterORFolderNameFromVDiskPath(diskManager.diskPath)
+	requestTime := time.Now()
+	// Delete virtual disk
+	task, err := virtualDiskManager.DeleteVirtualDisk(ctx, diskPath, datacenter.Datacenter)
+	if err != nil {
+		glog.Errorf("Failed to delete virtual disk. err: %v", err)
+		vclib.RecordvSphereMetric(vclib.APIDeleteVolume, requestTime, err)
+		return err
+	}
+	err = task.Wait(ctx)
+	vclib.RecordvSphereMetric(vclib.APIDeleteVolume, requestTime, err)
+	if err != nil {
+		glog.Errorf("Failed to delete virtual disk. err: %v", err)
+		return err
+	}
+	return nil
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/diskmanagers/virtualdisk.go

@@ -0,0 +1,80 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package diskmanagers
+
+import (
+	"fmt"
+
+	"github.com/golang/glog"
+	"golang.org/x/net/context"
+	"k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib"
+)
+
+// VirtualDisk is for the Disk Management
+type VirtualDisk struct {
+	DiskPath      string
+	VolumeOptions *vclib.VolumeOptions
+	VMOptions     *vclib.VMOptions
+}
+
+// VirtualDisk Operations Const
+const (
+	VirtualDiskCreateOperation = "Create"
+	VirtualDiskDeleteOperation = "Delete"
+)
+
+// VirtualDiskProvider defines interfaces for creating disk
+type VirtualDiskProvider interface {
+	Create(ctx context.Context, datastore *vclib.Datastore) (string, error)
+	Delete(ctx context.Context, datacenter *vclib.Datacenter) error
+}
+
+// getDiskManager returns vmDiskManager or vdmDiskManager based on given volumeoptions
+func getDiskManager(disk *VirtualDisk, diskOperation string) VirtualDiskProvider {
+	var diskProvider VirtualDiskProvider
+	switch diskOperation {
+	case VirtualDiskDeleteOperation:
+		diskProvider = virtualDiskManager{disk.DiskPath, disk.VolumeOptions}
+	case VirtualDiskCreateOperation:
+		if disk.VolumeOptions.StoragePolicyName != "" || disk.VolumeOptions.VSANStorageProfileData != "" || disk.VolumeOptions.StoragePolicyID != "" {
+			diskProvider = vmDiskManager{disk.DiskPath, disk.VolumeOptions, disk.VMOptions}
+		} else {
+			diskProvider = virtualDiskManager{disk.DiskPath, disk.VolumeOptions}
+		}
+	}
+	return diskProvider
+}
+
+// Create gets appropriate disk manager and calls respective create method
+func (virtualDisk *VirtualDisk) Create(ctx context.Context, datastore *vclib.Datastore) (string, error) {
+	if virtualDisk.VolumeOptions.DiskFormat == "" {
+		virtualDisk.VolumeOptions.DiskFormat = vclib.ThinDiskType
+	}
+	if !virtualDisk.VolumeOptions.VerifyVolumeOptions() {
+		glog.Error("VolumeOptions verification failed. volumeOptions: ", virtualDisk.VolumeOptions)
+		return "", vclib.ErrInvalidVolumeOptions
+	}
+	if virtualDisk.VolumeOptions.StoragePolicyID != "" && virtualDisk.VolumeOptions.StoragePolicyName != "" {
+		return "", fmt.Errorf("Storage Policy ID and Storage Policy Name both set, Please set only one parameter")
+	}
+	return getDiskManager(virtualDisk, VirtualDiskCreateOperation).Create(ctx, datastore)
+}
+
+// Delete gets appropriate disk manager and calls respective delete method
+func (virtualDisk *VirtualDisk) Delete(ctx context.Context, datacenter *vclib.Datacenter) error {
+	return getDiskManager(virtualDisk, VirtualDiskDeleteOperation).Delete(ctx, datacenter)
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/diskmanagers/vmdm.go

@@ -0,0 +1,249 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package diskmanagers
+
+import (
+	"fmt"
+	"hash/fnv"
+	"strings"
+
+	"github.com/golang/glog"
+	"github.com/vmware/govmomi/object"
+	"github.com/vmware/govmomi/vim25/types"
+	"golang.org/x/net/context"
+	"k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib"
+)
+
+// vmDiskManager implements VirtualDiskProvider interface for creating volume using Virtual Machine Reconfigure approach
+type vmDiskManager struct {
+	diskPath      string
+	volumeOptions *vclib.VolumeOptions
+	vmOptions     *vclib.VMOptions
+}
+
+// Create implements Disk's Create interface
+// Contains implementation of VM based Provisioning to provision disk with SPBM Policy or VSANStorageProfileData
+func (vmdisk vmDiskManager) Create(ctx context.Context, datastore *vclib.Datastore) (canonicalDiskPath string, err error) {
+	if vmdisk.volumeOptions.SCSIControllerType == "" {
+		vmdisk.volumeOptions.SCSIControllerType = vclib.PVSCSIControllerType
+	}
+	pbmClient, err := vclib.NewPbmClient(ctx, datastore.Client())
+	if err != nil {
+		glog.Errorf("Error occurred while creating new pbmClient, err: %+v", err)
+		return "", err
+	}
+
+	if vmdisk.volumeOptions.StoragePolicyID == "" && vmdisk.volumeOptions.StoragePolicyName != "" {
+		vmdisk.volumeOptions.StoragePolicyID, err = pbmClient.ProfileIDByName(ctx, vmdisk.volumeOptions.StoragePolicyName)
+		if err != nil {
+			glog.Errorf("Error occurred while getting Profile Id from Profile Name: %s, err: %+v", vmdisk.volumeOptions.StoragePolicyName, err)
+			return "", err
+		}
+	}
+	if vmdisk.volumeOptions.StoragePolicyID != "" {
+		compatible, faultMessage, err := datastore.IsCompatibleWithStoragePolicy(ctx, vmdisk.volumeOptions.StoragePolicyID)
+		if err != nil {
+			glog.Errorf("Error occurred while checking datastore compatibility with storage policy id: %s, err: %+v", vmdisk.volumeOptions.StoragePolicyID, err)
+			return "", err
+		}
+
+		if !compatible {
+			glog.Errorf("Datastore: %s is not compatible with Policy: %s", datastore.Name(), vmdisk.volumeOptions.StoragePolicyName)
+			return "", fmt.Errorf("User specified datastore is not compatible with the storagePolicy: %q. Failed with faults: %+q", vmdisk.volumeOptions.StoragePolicyName, faultMessage)
+		}
+	}
+
+	storageProfileSpec := &types.VirtualMachineDefinedProfileSpec{}
+	// Is PBM storage policy ID is present, set the storage spec profile ID,
+	// else, set raw the VSAN policy string.
+	if vmdisk.volumeOptions.StoragePolicyID != "" {
+		storageProfileSpec.ProfileId = vmdisk.volumeOptions.StoragePolicyID
+	} else if vmdisk.volumeOptions.VSANStorageProfileData != "" {
+		// Check Datastore type - VSANStorageProfileData is only applicable to vSAN Datastore
+		dsType, err := datastore.GetType(ctx)
+		if err != nil {
+			return "", err
+		}
+		if dsType != vclib.VSANDatastoreType {
+			glog.Errorf("The specified datastore: %q is not a VSAN datastore", datastore.Name())
+			return "", fmt.Errorf("The specified datastore: %q is not a VSAN datastore."+
+				" The policy parameters will work only with VSAN Datastore."+
+				" So, please specify a valid VSAN datastore in Storage class definition.", datastore.Name())
+		}
+		storageProfileSpec.ProfileId = ""
+		storageProfileSpec.ProfileData = &types.VirtualMachineProfileRawData{
+			ExtensionKey: "com.vmware.vim.sps",
+			ObjectData:   vmdisk.volumeOptions.VSANStorageProfileData,
+		}
+	} else {
+		glog.Errorf("Both volumeOptions.StoragePolicyID and volumeOptions.VSANStorageProfileData are not set. One of them should be set")
+		return "", fmt.Errorf("Both volumeOptions.StoragePolicyID and volumeOptions.VSANStorageProfileData are not set. One of them should be set")
+	}
+	var dummyVM *vclib.VirtualMachine
+	// Check if VM already exist in the folder.
+	// If VM is already present, use it, else create a new dummy VM.
+	fnvHash := fnv.New32a()
+	fnvHash.Write([]byte(vmdisk.volumeOptions.Name))
+	dummyVMFullName := vclib.DummyVMPrefixName + "-" + fmt.Sprint(fnvHash.Sum32())
+	dummyVM, err = datastore.Datacenter.GetVMByPath(ctx, vmdisk.vmOptions.VMFolder.InventoryPath+"/"+dummyVMFullName)
+	if err != nil {
+		// Create a dummy VM
+		glog.V(1).Info("Creating Dummy VM: %q", dummyVMFullName)
+		dummyVM, err = vmdisk.createDummyVM(ctx, datastore.Datacenter, dummyVMFullName)
+		if err != nil {
+			glog.Errorf("Failed to create Dummy VM. err: %v", err)
+			return "", err
+		}
+	}
+
+	// Reconfigure the VM to attach the disk with the VSAN policy configured
+	virtualMachineConfigSpec := types.VirtualMachineConfigSpec{}
+	disk, _, err := dummyVM.CreateDiskSpec(ctx, vmdisk.diskPath, datastore, vmdisk.volumeOptions)
+	if err != nil {
+		glog.Errorf("Failed to create Disk Spec. err: %v", err)
+		return "", err
+	}
+	deviceConfigSpec := &types.VirtualDeviceConfigSpec{
+		Device:        disk,
+		Operation:     types.VirtualDeviceConfigSpecOperationAdd,
+		FileOperation: types.VirtualDeviceConfigSpecFileOperationCreate,
+	}
+
+	deviceConfigSpec.Profile = append(deviceConfigSpec.Profile, storageProfileSpec)
+	virtualMachineConfigSpec.DeviceChange = append(virtualMachineConfigSpec.DeviceChange, deviceConfigSpec)
+	fileAlreadyExist := false
+	task, err := dummyVM.Reconfigure(ctx, virtualMachineConfigSpec)
+	err = task.Wait(ctx)
+	if err != nil {
+		fileAlreadyExist = isAlreadyExists(vmdisk.diskPath, err)
+		if fileAlreadyExist {
+			//Skip error and continue to detach the disk as the disk was already created on the datastore.
+			glog.V(vclib.LogLevel).Info("File: %v already exists", vmdisk.diskPath)
+		} else {
+			glog.Errorf("Failed to attach the disk to VM: %q with err: %+v", dummyVMFullName, err)
+			return "", err
+		}
+	}
+	// Detach the disk from the dummy VM.
+	err = dummyVM.DetachDisk(ctx, vmdisk.diskPath)
+	if err != nil {
+		if vclib.DiskNotFoundErrMsg == err.Error() && fileAlreadyExist {
+			// Skip error if disk was already detached from the dummy VM but still present on the datastore.
+			glog.V(vclib.LogLevel).Info("File: %v is already detached", vmdisk.diskPath)
+		} else {
+			glog.Errorf("Failed to detach the disk: %q from VM: %q with err: %+v", vmdisk.diskPath, dummyVMFullName, err)
+			return "", err
+		}
+	}
+	//  Delete the dummy VM
+	err = dummyVM.DeleteVM(ctx)
+	if err != nil {
+		glog.Errorf("Failed to destroy the vm: %q with err: %+v", dummyVMFullName, err)
+	}
+	return vmdisk.diskPath, nil
+}
+
+func (vmdisk vmDiskManager) Delete(ctx context.Context, datacenter *vclib.Datacenter) error {
+	return fmt.Errorf("vmDiskManager.Delete is not supported")
+}
+
+// CreateDummyVM create a Dummy VM at specified location with given name.
+func (vmdisk vmDiskManager) createDummyVM(ctx context.Context, datacenter *vclib.Datacenter, vmName string) (*vclib.VirtualMachine, error) {
+	// Create a virtual machine config spec with 1 SCSI adapter.
+	virtualMachineConfigSpec := types.VirtualMachineConfigSpec{
+		Name: vmName,
+		Files: &types.VirtualMachineFileInfo{
+			VmPathName: "[" + vmdisk.volumeOptions.Datastore + "]",
+		},
+		NumCPUs:  1,
+		MemoryMB: 4,
+		DeviceChange: []types.BaseVirtualDeviceConfigSpec{
+			&types.VirtualDeviceConfigSpec{
+				Operation: types.VirtualDeviceConfigSpecOperationAdd,
+				Device: &types.ParaVirtualSCSIController{
+					VirtualSCSIController: types.VirtualSCSIController{
+						SharedBus: types.VirtualSCSISharingNoSharing,
+						VirtualController: types.VirtualController{
+							BusNumber: 0,
+							VirtualDevice: types.VirtualDevice{
+								Key: 1000,
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	task, err := vmdisk.vmOptions.VMFolder.CreateVM(ctx, virtualMachineConfigSpec, vmdisk.vmOptions.VMResourcePool, nil)
+	if err != nil {
+		glog.Errorf("Failed to create VM. err: %+v", err)
+		return nil, err
+	}
+
+	dummyVMTaskInfo, err := task.WaitForResult(ctx, nil)
+	if err != nil {
+		glog.Errorf("Error occurred while waiting for create VM task result. err: %+v", err)
+		return nil, err
+	}
+
+	vmRef := dummyVMTaskInfo.Result.(object.Reference)
+	dummyVM := object.NewVirtualMachine(datacenter.Client(), vmRef.Reference())
+	return &vclib.VirtualMachine{VirtualMachine: dummyVM, Datacenter: datacenter}, nil
+}
+
+// CleanUpDummyVMs deletes stale dummyVM's
+func CleanUpDummyVMs(ctx context.Context, folder *vclib.Folder, dc *vclib.Datacenter) error {
+	vmList, err := folder.GetVirtualMachines(ctx)
+	if err != nil {
+		glog.V(4).Infof("Failed to get virtual machines in the kubernetes cluster: %s, err: %+v", folder.InventoryPath, err)
+		return err
+	}
+	if vmList == nil || len(vmList) == 0 {
+		glog.Errorf("No virtual machines found in the kubernetes cluster: %s", folder.InventoryPath)
+		return fmt.Errorf("No virtual machines found in the kubernetes cluster: %s", folder.InventoryPath)
+	}
+	var dummyVMList []*vclib.VirtualMachine
+	// Loop through VM's in the Kubernetes cluster to find dummy VM's
+	for _, vm := range vmList {
+		vmName, err := vm.ObjectName(ctx)
+		if err != nil {
+			glog.V(4).Infof("Unable to get name from VM with err: %+v", err)
+			continue
+		}
+		if strings.HasPrefix(vmName, vclib.DummyVMPrefixName) {
+			vmObj := vclib.VirtualMachine{VirtualMachine: object.NewVirtualMachine(dc.Client(), vm.Reference()), Datacenter: dc}
+			dummyVMList = append(dummyVMList, &vmObj)
+		}
+	}
+	for _, vm := range dummyVMList {
+		err = vm.DeleteVM(ctx)
+		if err != nil {
+			glog.V(4).Infof("Unable to delete dummy VM with err: %+v", err)
+			continue
+		}
+	}
+	return nil
+}
+
+func isAlreadyExists(path string, err error) bool {
+	errorMessage := fmt.Sprintf("Cannot complete the operation because the file or folder %s already exists", path)
+	if errorMessage == err.Error() {
+		return true
+	}
+	return false
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/folder.go

@@ -0,0 +1,46 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import (
+	"github.com/golang/glog"
+	"github.com/vmware/govmomi/object"
+	"golang.org/x/net/context"
+)
+
+// Folder extends the govmomi Folder object
+type Folder struct {
+	*object.Folder
+	Datacenter *Datacenter
+}
+
+// GetVirtualMachines returns list of VirtualMachine inside a folder.
+func (folder *Folder) GetVirtualMachines(ctx context.Context) ([]*VirtualMachine, error) {
+	vmFolders, err := folder.Children(ctx)
+	if err != nil {
+		glog.Errorf("Failed to get children from Folder: %s. err: %+v", folder.InventoryPath, err)
+		return nil, err
+	}
+	var vmObjList []*VirtualMachine
+	for _, vmFolder := range vmFolders {
+		if vmFolder.Reference().Type == VirtualMachineType {
+			vmObj := VirtualMachine{object.NewVirtualMachine(folder.Client(), vmFolder.Reference()), folder.Datacenter}
+			vmObjList = append(vmObjList, &vmObj)
+		}
+	}
+	return vmObjList, nil
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/pbm.go

@@ -0,0 +1,169 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import (
+	"fmt"
+
+	"github.com/golang/glog"
+	"github.com/vmware/govmomi/pbm"
+	"golang.org/x/net/context"
+
+	pbmtypes "github.com/vmware/govmomi/pbm/types"
+	"github.com/vmware/govmomi/vim25"
+)
+
+// PbmClient is extending govmomi pbm, and provides functions to get compatible list of datastore for given policy
+type PbmClient struct {
+	*pbm.Client
+}
+
+// NewPbmClient returns a new PBM Client object
+func NewPbmClient(ctx context.Context, client *vim25.Client) (*PbmClient, error) {
+	pbmClient, err := pbm.NewClient(ctx, client)
+	if err != nil {
+		glog.Errorf("Failed to create new Pbm Client. err: %+v", err)
+		return nil, err
+	}
+	return &PbmClient{pbmClient}, nil
+}
+
+// IsDatastoreCompatible check if the datastores is compatible for given storage policy id
+// if datastore is not compatible with policy, fault message with the Datastore Name is returned
+func (pbmClient *PbmClient) IsDatastoreCompatible(ctx context.Context, storagePolicyID string, datastore *Datastore) (bool, string, error) {
+	faultMessage := ""
+	placementHub := pbmtypes.PbmPlacementHub{
+		HubType: datastore.Reference().Type,
+		HubId:   datastore.Reference().Value,
+	}
+	hubs := []pbmtypes.PbmPlacementHub{placementHub}
+	req := []pbmtypes.BasePbmPlacementRequirement{
+		&pbmtypes.PbmPlacementCapabilityProfileRequirement{
+			ProfileId: pbmtypes.PbmProfileId{
+				UniqueId: storagePolicyID,
+			},
+		},
+	}
+	compatibilityResult, err := pbmClient.CheckRequirements(ctx, hubs, nil, req)
+	if err != nil {
+		glog.Errorf("Error occurred for CheckRequirements call. err %+v", err)
+		return false, "", err
+	}
+	if compatibilityResult != nil && len(compatibilityResult) > 0 {
+		compatibleHubs := compatibilityResult.CompatibleDatastores()
+		if compatibleHubs != nil && len(compatibleHubs) > 0 {
+			return true, "", nil
+		}
+		dsName, err := datastore.ObjectName(ctx)
+		if err != nil {
+			glog.Errorf("Failed to get datastore ObjectName")
+			return false, "", err
+		}
+		if compatibilityResult[0].Error[0].LocalizedMessage == "" {
+			faultMessage = "Datastore: " + dsName + " is not compatible with the storage policy."
+		} else {
+			faultMessage = "Datastore: " + dsName + " is not compatible with the storage policy. LocalizedMessage: " + compatibilityResult[0].Error[0].LocalizedMessage + "\n"
+		}
+		return false, faultMessage, nil
+	}
+	return false, "", fmt.Errorf("compatibilityResult is nil or empty")
+}
+
+// GetCompatibleDatastores filters and returns compatible list of datastores for given storage policy id
+// For Non Compatible Datastores, fault message with the Datastore Name is also returned
+func (pbmClient *PbmClient) GetCompatibleDatastores(ctx context.Context, dc *Datacenter, storagePolicyID string, datastores []*DatastoreInfo) ([]*DatastoreInfo, string, error) {
+	var (
+		dsMorNameMap                                = getDsMorNameMap(ctx, datastores)
+		localizedMessagesForNotCompatibleDatastores = ""
+	)
+	compatibilityResult, err := pbmClient.GetPlacementCompatibilityResult(ctx, storagePolicyID, datastores)
+	if err != nil {
+		glog.Errorf("Error occurred while retrieving placement compatibility result for datastores: %+v with storagePolicyID: %s. err: %+v", datastores, storagePolicyID, err)
+		return nil, "", err
+	}
+	compatibleHubs := compatibilityResult.CompatibleDatastores()
+	var compatibleDatastoreList []*DatastoreInfo
+	for _, hub := range compatibleHubs {
+		compatibleDatastoreList = append(compatibleDatastoreList, getDatastoreFromPlacementHub(datastores, hub))
+	}
+	for _, res := range compatibilityResult {
+		for _, err := range res.Error {
+			dsName := dsMorNameMap[res.Hub.HubId]
+			localizedMessage := ""
+			if err.LocalizedMessage != "" {
+				localizedMessage = "Datastore: " + dsName + " not compatible with the storage policy. LocalizedMessage: " + err.LocalizedMessage + "\n"
+			} else {
+				localizedMessage = "Datastore: " + dsName + " not compatible with the storage policy. \n"
+			}
+			localizedMessagesForNotCompatibleDatastores += localizedMessage
+		}
+	}
+	// Return an error if there are no compatible datastores.
+	if len(compatibleHubs) < 1 {
+		glog.Errorf("No compatible datastores found that satisfy the storage policy requirements: %s", storagePolicyID)
+		return nil, localizedMessagesForNotCompatibleDatastores, fmt.Errorf("No compatible datastores found that satisfy the storage policy requirements")
+	}
+	return compatibleDatastoreList, localizedMessagesForNotCompatibleDatastores, nil
+}
+
+// GetPlacementCompatibilityResult gets placement compatibility result based on storage policy requirements.
+func (pbmClient *PbmClient) GetPlacementCompatibilityResult(ctx context.Context, storagePolicyID string, datastore []*DatastoreInfo) (pbm.PlacementCompatibilityResult, error) {
+	var hubs []pbmtypes.PbmPlacementHub
+	for _, ds := range datastore {
+		hubs = append(hubs, pbmtypes.PbmPlacementHub{
+			HubType: ds.Reference().Type,
+			HubId:   ds.Reference().Value,
+		})
+	}
+	req := []pbmtypes.BasePbmPlacementRequirement{
+		&pbmtypes.PbmPlacementCapabilityProfileRequirement{
+			ProfileId: pbmtypes.PbmProfileId{
+				UniqueId: storagePolicyID,
+			},
+		},
+	}
+	res, err := pbmClient.CheckRequirements(ctx, hubs, nil, req)
+	if err != nil {
+		glog.Errorf("Error occurred for CheckRequirements call. err: %+v", err)
+		return nil, err
+	}
+	return res, nil
+}
+
+// getDataStoreForPlacementHub returns matching datastore associated with given pbmPlacementHub
+func getDatastoreFromPlacementHub(datastore []*DatastoreInfo, pbmPlacementHub pbmtypes.PbmPlacementHub) *DatastoreInfo {
+	for _, ds := range datastore {
+		if ds.Reference().Type == pbmPlacementHub.HubType && ds.Reference().Value == pbmPlacementHub.HubId {
+			return ds
+		}
+	}
+	return nil
+}
+
+// getDsMorNameMap returns map of ds Mor and Datastore Object Name
+func getDsMorNameMap(ctx context.Context, datastores []*DatastoreInfo) map[string]string {
+	dsMorNameMap := make(map[string]string)
+	for _, ds := range datastores {
+		dsObjectName, err := ds.ObjectName(ctx)
+		if err == nil {
+			dsMorNameMap[ds.Reference().Value] = dsObjectName
+		} else {
+			glog.Errorf("Error occurred while getting datastore object name. err: %+v", err)
+		}
+	}
+	return dsMorNameMap
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/utils.go

@@ -0,0 +1,213 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import (
+	"fmt"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"github.com/golang/glog"
+	"github.com/vmware/govmomi/find"
+	"github.com/vmware/govmomi/object"
+	"github.com/vmware/govmomi/vim25/mo"
+	"github.com/vmware/govmomi/vim25/soap"
+	"github.com/vmware/govmomi/vim25/types"
+)
+
+// IsNotFound return true if err is NotFoundError or DefaultNotFoundError
+func IsNotFound(err error) bool {
+	_, ok := err.(*find.NotFoundError)
+	if ok {
+		return true
+	}
+
+	_, ok = err.(*find.DefaultNotFoundError)
+	if ok {
+		return true
+	}
+
+	return false
+}
+
+func getFinder(dc *Datacenter) *find.Finder {
+	finder := find.NewFinder(dc.Client(), true)
+	finder.SetDatacenter(dc.Datacenter)
+	return finder
+}
+
+// formatVirtualDiskUUID removes any spaces and hyphens in UUID
+// Example UUID input is 42375390-71f9-43a3-a770-56803bcd7baa and output after format is 4237539071f943a3a77056803bcd7baa
+func formatVirtualDiskUUID(uuid string) string {
+	uuidwithNoSpace := strings.Replace(uuid, " ", "", -1)
+	uuidWithNoHypens := strings.Replace(uuidwithNoSpace, "-", "", -1)
+	return strings.ToLower(uuidWithNoHypens)
+}
+
+// getSCSIControllersOfType filters specific type of Controller device from given list of Virtual Machine Devices
+func getSCSIControllersOfType(vmDevices object.VirtualDeviceList, scsiType string) []*types.VirtualController {
+	// get virtual scsi controllers of passed argument type
+	var scsiControllers []*types.VirtualController
+	for _, device := range vmDevices {
+		devType := vmDevices.Type(device)
+		if devType == scsiType {
+			if c, ok := device.(types.BaseVirtualController); ok {
+				scsiControllers = append(scsiControllers, c.GetVirtualController())
+			}
+		}
+	}
+	return scsiControllers
+}
+
+// getAvailableSCSIController gets available SCSI Controller from list of given controllers, which has less than 15 disk devices.
+func getAvailableSCSIController(scsiControllers []*types.VirtualController) *types.VirtualController {
+	// get SCSI controller which has space for adding more devices
+	for _, controller := range scsiControllers {
+		if len(controller.Device) < SCSIControllerDeviceLimit {
+			return controller
+		}
+	}
+	return nil
+}
+
+// getNextUnitNumber gets the next available SCSI controller unit number from given list of Controller Device List
+func getNextUnitNumber(devices object.VirtualDeviceList, c types.BaseVirtualController) (int32, error) {
+	var takenUnitNumbers [SCSIDeviceSlots]bool
+	takenUnitNumbers[SCSIReservedSlot] = true
+	key := c.GetVirtualController().Key
+
+	for _, device := range devices {
+		d := device.GetVirtualDevice()
+		if d.ControllerKey == key {
+			if d.UnitNumber != nil {
+				takenUnitNumbers[*d.UnitNumber] = true
+			}
+		}
+	}
+	for unitNumber, takenUnitNumber := range takenUnitNumbers {
+		if !takenUnitNumber {
+			return int32(unitNumber), nil
+		}
+	}
+	return -1, fmt.Errorf("SCSI Controller with key=%d does not have any available slots", key)
+}
+
+// getSCSIControllers filters and return list of Controller Devices from given list of Virtual Machine Devices.
+func getSCSIControllers(vmDevices object.VirtualDeviceList) []*types.VirtualController {
+	// get all virtual scsi controllers
+	var scsiControllers []*types.VirtualController
+	for _, device := range vmDevices {
+		devType := vmDevices.Type(device)
+		switch devType {
+		case SCSIControllerType, strings.ToLower(LSILogicControllerType), strings.ToLower(BusLogicControllerType), PVSCSIControllerType, strings.ToLower(LSILogicSASControllerType):
+			if c, ok := device.(types.BaseVirtualController); ok {
+				scsiControllers = append(scsiControllers, c.GetVirtualController())
+			}
+		}
+	}
+	return scsiControllers
+}
+
+// RemoveStorageClusterORFolderNameFromVDiskPath removes the cluster or folder path from the vDiskPath
+// for vDiskPath [DatastoreCluster/sharedVmfs-0] kubevols/e2e-vmdk-1234.vmdk, return value is [sharedVmfs-0] kubevols/e2e-vmdk-1234.vmdk
+// for vDiskPath [sharedVmfs-0] kubevols/e2e-vmdk-1234.vmdk, return value remains same [sharedVmfs-0] kubevols/e2e-vmdk-1234.vmdk
+func RemoveStorageClusterORFolderNameFromVDiskPath(vDiskPath string) string {
+	datastore := regexp.MustCompile("\\[(.*?)\\]").FindStringSubmatch(vDiskPath)[1]
+	if filepath.Base(datastore) != datastore {
+		vDiskPath = strings.Replace(vDiskPath, datastore, filepath.Base(datastore), 1)
+	}
+	return vDiskPath
+}
+
+// GetPathFromVMDiskPath retrieves the path from VM Disk Path.
+// Example: For vmDiskPath - [vsanDatastore] kubevols/volume.vmdk, the path is kubevols/volume.vmdk
+func GetPathFromVMDiskPath(vmDiskPath string) string {
+	datastorePathObj := new(object.DatastorePath)
+	isSuccess := datastorePathObj.FromString(vmDiskPath)
+	if !isSuccess {
+		glog.Errorf("Failed to parse vmDiskPath: %s", vmDiskPath)
+		return ""
+	}
+	return datastorePathObj.Path
+}
+
+// GetDatastoreFromVMDiskPath retrieves the path from VM Disk Path.
+// Example: For vmDiskPath - [vsanDatastore] kubevols/volume.vmdk, the path is vsanDatastore
+func GetDatastoreFromVMDiskPath(vmDiskPath string) string {
+	datastorePathObj := new(object.DatastorePath)
+	isSuccess := datastorePathObj.FromString(vmDiskPath)
+	if !isSuccess {
+		glog.Errorf("Failed to parse vmDiskPath: %s", vmDiskPath)
+		return ""
+	}
+	return datastorePathObj.Datastore
+}
+
+//GetDatastorePathObjFromVMDiskPath gets the datastorePathObj from VM disk path.
+func GetDatastorePathObjFromVMDiskPath(vmDiskPath string) (*object.DatastorePath, error) {
+	datastorePathObj := new(object.DatastorePath)
+	isSuccess := datastorePathObj.FromString(vmDiskPath)
+	if !isSuccess {
+		glog.Errorf("Failed to parse volPath: %s", vmDiskPath)
+		return nil, fmt.Errorf("Failed to parse volPath: %s", vmDiskPath)
+	}
+	return datastorePathObj, nil
+}
+
+//IsValidUUID checks if the string is a valid UUID.
+func IsValidUUID(uuid string) bool {
+	r := regexp.MustCompile("^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$")
+	return r.MatchString(uuid)
+}
+
+// IsManagedObjectNotFoundError returns true if error is of type ManagedObjectNotFound
+func IsManagedObjectNotFoundError(err error) bool {
+	isManagedObjectNotFoundError := false
+	if soap.IsSoapFault(err) {
+		_, isManagedObjectNotFoundError = soap.ToSoapFault(err).VimFault().(types.ManagedObjectNotFound)
+	}
+	return isManagedObjectNotFoundError
+}
+
+// VerifyVolumePathsForVM verifies if the volume paths (volPaths) are attached to VM.
+func VerifyVolumePathsForVM(vmMo mo.VirtualMachine, volPaths []string, nodeName string, nodeVolumeMap map[string]map[string]bool) {
+	// Verify if the volume paths are present on the VM backing virtual disk devices
+	vmDevices := object.VirtualDeviceList(vmMo.Config.Hardware.Device)
+	VerifyVolumePathsForVMDevices(vmDevices, volPaths, nodeName, nodeVolumeMap)
+
+}
+
+// VerifyVolumePathsForVMDevices verifies if the volume paths (volPaths) are attached to VM.
+func VerifyVolumePathsForVMDevices(vmDevices object.VirtualDeviceList, volPaths []string, nodeName string, nodeVolumeMap map[string]map[string]bool) {
+	volPathsMap := make(map[string]bool)
+	for _, volPath := range volPaths {
+		volPathsMap[volPath] = true
+	}
+	// Verify if the volume paths are present on the VM backing virtual disk devices
+	for _, device := range vmDevices {
+		if vmDevices.TypeName(device) == "VirtualDisk" {
+			virtualDevice := device.GetVirtualDevice()
+			if backing, ok := virtualDevice.Backing.(*types.VirtualDiskFlatVer2BackingInfo); ok {
+				if volPathsMap[backing.FileName] {
+					setNodeVolumeMap(nodeVolumeMap, backing.FileName, nodeName, true)
+				}
+			}
+		}
+	}
+
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/virtualmachine.go

@@ -0,0 +1,402 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/golang/glog"
+	"github.com/vmware/govmomi/object"
+	"github.com/vmware/govmomi/property"
+	"github.com/vmware/govmomi/vim25/mo"
+	"github.com/vmware/govmomi/vim25/types"
+)
+
+// VirtualMachine extends the govmomi VirtualMachine object
+type VirtualMachine struct {
+	*object.VirtualMachine
+	Datacenter *Datacenter
+}
+
+// IsDiskAttached checks if disk is attached to the VM.
+func (vm *VirtualMachine) IsDiskAttached(ctx context.Context, diskPath string) (bool, error) {
+	device, err := vm.getVirtualDeviceByPath(ctx, diskPath)
+	if err != nil {
+		return false, err
+	}
+	if device != nil {
+		return true, nil
+	}
+	return false, nil
+}
+
+// DeleteVM deletes the VM.
+func (vm *VirtualMachine) DeleteVM(ctx context.Context) error {
+	destroyTask, err := vm.Destroy(ctx)
+	if err != nil {
+		glog.Errorf("Failed to delete the VM: %q. err: %+v", vm.InventoryPath, err)
+		return err
+	}
+	return destroyTask.Wait(ctx)
+}
+
+// AttachDisk attaches the disk at location - vmDiskPath from Datastore - dsObj to the Virtual Machine
+// Additionally the disk can be configured with SPBM policy if volumeOptions.StoragePolicyID is non-empty.
+func (vm *VirtualMachine) AttachDisk(ctx context.Context, vmDiskPath string, volumeOptions *VolumeOptions) (string, error) {
+	// Check if the diskControllerType is valid
+	if !CheckControllerSupported(volumeOptions.SCSIControllerType) {
+		return "", fmt.Errorf("Not a valid SCSI Controller Type. Valid options are %q", SCSIControllerTypeValidOptions())
+	}
+	vmDiskPathCopy := vmDiskPath
+	vmDiskPath = RemoveStorageClusterORFolderNameFromVDiskPath(vmDiskPath)
+	attached, err := vm.IsDiskAttached(ctx, vmDiskPath)
+	if err != nil {
+		glog.Errorf("Error occurred while checking if disk is attached on VM: %q. vmDiskPath: %q, err: %+v", vm.InventoryPath, vmDiskPath, err)
+		return "", err
+	}
+	// If disk is already attached, return the disk UUID
+	if attached {
+		diskUUID, _ := vm.Datacenter.GetVirtualDiskPage83Data(ctx, vmDiskPath)
+		return diskUUID, nil
+	}
+
+	if volumeOptions.StoragePolicyName != "" {
+		pbmClient, err := NewPbmClient(ctx, vm.Client())
+		if err != nil {
+			glog.Errorf("Error occurred while creating new pbmClient. err: %+v", err)
+			return "", err
+		}
+
+		volumeOptions.StoragePolicyID, err = pbmClient.ProfileIDByName(ctx, volumeOptions.StoragePolicyName)
+		if err != nil {
+			glog.Errorf("Failed to get Profile ID by name: %s. err: %+v", volumeOptions.StoragePolicyName, err)
+			return "", err
+		}
+	}
+
+	dsObj, err := vm.Datacenter.GetDatastoreByPath(ctx, vmDiskPathCopy)
+	if err != nil {
+		glog.Errorf("Failed to get datastore from vmDiskPath: %q. err: %+v", vmDiskPath, err)
+		return "", err
+	}
+	// If disk is not attached, create a disk spec for disk to be attached to the VM.
+	disk, newSCSIController, err := vm.CreateDiskSpec(ctx, vmDiskPath, dsObj, volumeOptions)
+	if err != nil {
+		glog.Errorf("Error occurred while creating disk spec. err: %+v", err)
+		return "", err
+	}
+	vmDevices, err := vm.Device(ctx)
+	if err != nil {
+		glog.Errorf("Failed to retrieve VM devices for VM: %q. err: %+v", vm.InventoryPath, err)
+		return "", err
+	}
+	virtualMachineConfigSpec := types.VirtualMachineConfigSpec{}
+	deviceConfigSpec := &types.VirtualDeviceConfigSpec{
+		Device:    disk,
+		Operation: types.VirtualDeviceConfigSpecOperationAdd,
+	}
+	// Configure the disk with the SPBM profile only if ProfileID is not empty.
+	if volumeOptions.StoragePolicyID != "" {
+		profileSpec := &types.VirtualMachineDefinedProfileSpec{
+			ProfileId: volumeOptions.StoragePolicyID,
+		}
+		deviceConfigSpec.Profile = append(deviceConfigSpec.Profile, profileSpec)
+	}
+	virtualMachineConfigSpec.DeviceChange = append(virtualMachineConfigSpec.DeviceChange, deviceConfigSpec)
+	requestTime := time.Now()
+	task, err := vm.Reconfigure(ctx, virtualMachineConfigSpec)
+	if err != nil {
+		RecordvSphereMetric(APIAttachVolume, requestTime, err)
+		glog.Errorf("Failed to attach the disk with storagePolicy: %q on VM: %q. err - %+v", volumeOptions.StoragePolicyID, vm.InventoryPath, err)
+		if newSCSIController != nil {
+			vm.deleteController(ctx, newSCSIController, vmDevices)
+		}
+		return "", err
+	}
+	err = task.Wait(ctx)
+	RecordvSphereMetric(APIAttachVolume, requestTime, err)
+	if err != nil {
+		glog.Errorf("Failed to attach the disk with storagePolicy: %+q on VM: %q. err - %+v", volumeOptions.StoragePolicyID, vm.InventoryPath, err)
+		if newSCSIController != nil {
+			vm.deleteController(ctx, newSCSIController, vmDevices)
+		}
+		return "", err
+	}
+
+	// Once disk is attached, get the disk UUID.
+	diskUUID, err := vm.Datacenter.GetVirtualDiskPage83Data(ctx, vmDiskPath)
+	if err != nil {
+		glog.Errorf("Error occurred while getting Disk Info from VM: %q. err: %v", vm.InventoryPath, err)
+		vm.DetachDisk(ctx, vmDiskPath)
+		if newSCSIController != nil {
+			vm.deleteController(ctx, newSCSIController, vmDevices)
+		}
+		return "", err
+	}
+	return diskUUID, nil
+}
+
+// DetachDisk detaches the disk specified by vmDiskPath
+func (vm *VirtualMachine) DetachDisk(ctx context.Context, vmDiskPath string) error {
+	vmDiskPath = RemoveStorageClusterORFolderNameFromVDiskPath(vmDiskPath)
+	device, err := vm.getVirtualDeviceByPath(ctx, vmDiskPath)
+	if err != nil {
+		glog.Errorf("Disk ID not found for VM: %q with diskPath: %q", vm.InventoryPath, vmDiskPath)
+		return err
+	}
+	if device == nil {
+		glog.Errorf("No virtual device found with diskPath: %q on VM: %q", vmDiskPath, vm.InventoryPath)
+		return fmt.Errorf("No virtual device found with diskPath: %q on VM: %q", vmDiskPath, vm.InventoryPath)
+	}
+	// Detach disk from VM
+	requestTime := time.Now()
+	err = vm.RemoveDevice(ctx, true, device)
+	RecordvSphereMetric(APIDetachVolume, requestTime, err)
+	if err != nil {
+		glog.Errorf("Error occurred while removing disk device for VM: %q. err: %v", vm.InventoryPath, err)
+		return err
+	}
+	return nil
+}
+
+// GetResourcePool gets the resource pool for VM.
+func (vm *VirtualMachine) GetResourcePool(ctx context.Context) (*object.ResourcePool, error) {
+	vmMoList, err := vm.Datacenter.GetVMMoList(ctx, []*VirtualMachine{vm}, []string{"resourcePool"})
+	if err != nil {
+		glog.Errorf("Failed to get resource pool from VM: %q. err: %+v", vm.InventoryPath, err)
+		return nil, err
+	}
+	return object.NewResourcePool(vm.Client(), vmMoList[0].ResourcePool.Reference()), nil
+}
+
+// IsActive checks if the VM is active.
+// Returns true if VM is in poweredOn state.
+func (vm *VirtualMachine) IsActive(ctx context.Context) (bool, error) {
+	vmMoList, err := vm.Datacenter.GetVMMoList(ctx, []*VirtualMachine{vm}, []string{"summary"})
+	if err != nil {
+		glog.Errorf("Failed to get VM Managed object with property summary. err: +%v", err)
+		return false, err
+	}
+	if vmMoList[0].Summary.Runtime.PowerState == ActivePowerState {
+		return true, nil
+	}
+
+	return false, nil
+}
+
+// GetAllAccessibleDatastores gets the list of accessible Datastores for the given Virtual Machine
+func (vm *VirtualMachine) GetAllAccessibleDatastores(ctx context.Context) ([]*DatastoreInfo, error) {
+	host, err := vm.HostSystem(ctx)
+	if err != nil {
+		glog.Errorf("Failed to get host system for VM: %q. err: %+v", vm.InventoryPath, err)
+		return nil, err
+	}
+	var hostSystemMo mo.HostSystem
+	s := object.NewSearchIndex(vm.Client())
+	err = s.Properties(ctx, host.Reference(), []string{DatastoreProperty}, &hostSystemMo)
+	if err != nil {
+		glog.Errorf("Failed to retrieve datastores for host: %+v. err: %+v", host, err)
+		return nil, err
+	}
+	var dsRefList []types.ManagedObjectReference
+	for _, dsRef := range hostSystemMo.Datastore {
+		dsRefList = append(dsRefList, dsRef)
+	}
+
+	var dsMoList []mo.Datastore
+	pc := property.DefaultCollector(vm.Client())
+	properties := []string{DatastoreInfoProperty}
+	err = pc.Retrieve(ctx, dsRefList, properties, &dsMoList)
+	if err != nil {
+		glog.Errorf("Failed to get Datastore managed objects from datastore objects."+
+			" dsObjList: %+v, properties: %+v, err: %v", dsRefList, properties, err)
+		return nil, err
+	}
+	glog.V(9).Infof("Result dsMoList: %+v", dsMoList)
+	var dsObjList []*DatastoreInfo
+	for _, dsMo := range dsMoList {
+		dsObjList = append(dsObjList,
+			&DatastoreInfo{
+				&Datastore{object.NewDatastore(vm.Client(), dsMo.Reference()),
+					vm.Datacenter},
+				dsMo.Info.GetDatastoreInfo()})
+	}
+	return dsObjList, nil
+}
+
+// CreateDiskSpec creates a disk spec for disk
+func (vm *VirtualMachine) CreateDiskSpec(ctx context.Context, diskPath string, dsObj *Datastore, volumeOptions *VolumeOptions) (*types.VirtualDisk, types.BaseVirtualDevice, error) {
+	var newSCSIController types.BaseVirtualDevice
+	vmDevices, err := vm.Device(ctx)
+	if err != nil {
+		glog.Errorf("Failed to retrieve VM devices. err: %+v", err)
+		return nil, nil, err
+	}
+	// find SCSI controller of particular type from VM devices
+	scsiControllersOfRequiredType := getSCSIControllersOfType(vmDevices, volumeOptions.SCSIControllerType)
+	scsiController := getAvailableSCSIController(scsiControllersOfRequiredType)
+	if scsiController == nil {
+		newSCSIController, err = vm.createAndAttachSCSIController(ctx, volumeOptions.SCSIControllerType)
+		if err != nil {
+			glog.Errorf("Failed to create SCSI controller for VM :%q with err: %+v", vm.InventoryPath, err)
+			return nil, nil, err
+		}
+		// Get VM device list
+		vmDevices, err := vm.Device(ctx)
+		if err != nil {
+			glog.Errorf("Failed to retrieve VM devices. err: %v", err)
+			return nil, nil, err
+		}
+		// verify scsi controller in virtual machine
+		scsiControllersOfRequiredType := getSCSIControllersOfType(vmDevices, volumeOptions.SCSIControllerType)
+		scsiController = getAvailableSCSIController(scsiControllersOfRequiredType)
+		if scsiController == nil {
+			glog.Errorf("Cannot find SCSI controller of type: %q in VM", volumeOptions.SCSIControllerType)
+			// attempt clean up of scsi controller
+			vm.deleteController(ctx, newSCSIController, vmDevices)
+			return nil, nil, fmt.Errorf("Cannot find SCSI controller of type: %q in VM", volumeOptions.SCSIControllerType)
+		}
+	}
+	disk := vmDevices.CreateDisk(scsiController, dsObj.Reference(), diskPath)
+	unitNumber, err := getNextUnitNumber(vmDevices, scsiController)
+	if err != nil {
+		glog.Errorf("Cannot attach disk to VM, unitNumber limit reached - %+v.", err)
+		return nil, nil, err
+	}
+	*disk.UnitNumber = unitNumber
+	backing := disk.Backing.(*types.VirtualDiskFlatVer2BackingInfo)
+	backing.DiskMode = string(types.VirtualDiskModeIndependent_persistent)
+
+	if volumeOptions.CapacityKB != 0 {
+		disk.CapacityInKB = int64(volumeOptions.CapacityKB)
+	}
+	if volumeOptions.DiskFormat != "" {
+		var diskFormat string
+		diskFormat = DiskFormatValidType[volumeOptions.DiskFormat]
+		switch diskFormat {
+		case ThinDiskType:
+			backing.ThinProvisioned = types.NewBool(true)
+		case EagerZeroedThickDiskType:
+			backing.EagerlyScrub = types.NewBool(true)
+		default:
+			backing.ThinProvisioned = types.NewBool(false)
+		}
+	}
+	return disk, newSCSIController, nil
+}
+
+// GetVirtualDiskPath gets the first available virtual disk devicePath from the VM
+func (vm *VirtualMachine) GetVirtualDiskPath(ctx context.Context) (string, error) {
+	vmDevices, err := vm.Device(ctx)
+	if err != nil {
+		glog.Errorf("Failed to get the devices for VM: %q. err: %+v", vm.InventoryPath, err)
+		return "", err
+	}
+	// filter vm devices to retrieve device for the given vmdk file identified by disk path
+	for _, device := range vmDevices {
+		if vmDevices.TypeName(device) == "VirtualDisk" {
+			virtualDevice := device.GetVirtualDevice()
+			if backing, ok := virtualDevice.Backing.(*types.VirtualDiskFlatVer2BackingInfo); ok {
+				return backing.FileName, nil
+			}
+		}
+	}
+	return "", nil
+}
+
+// createAndAttachSCSIController creates and attachs the SCSI controller to the VM.
+func (vm *VirtualMachine) createAndAttachSCSIController(ctx context.Context, diskControllerType string) (types.BaseVirtualDevice, error) {
+	// Get VM device list
+	vmDevices, err := vm.Device(ctx)
+	if err != nil {
+		glog.Errorf("Failed to retrieve VM devices for VM: %q. err: %+v", vm.InventoryPath, err)
+		return nil, err
+	}
+	allSCSIControllers := getSCSIControllers(vmDevices)
+	if len(allSCSIControllers) >= SCSIControllerLimit {
+		// we reached the maximum number of controllers we can attach
+		glog.Errorf("SCSI Controller Limit of %d has been reached, cannot create another SCSI controller", SCSIControllerLimit)
+		return nil, fmt.Errorf("SCSI Controller Limit of %d has been reached, cannot create another SCSI controller", SCSIControllerLimit)
+	}
+	newSCSIController, err := vmDevices.CreateSCSIController(diskControllerType)
+	if err != nil {
+		glog.Errorf("Failed to create new SCSI controller on VM: %q. err: %+v", vm.InventoryPath, err)
+		return nil, err
+	}
+	configNewSCSIController := newSCSIController.(types.BaseVirtualSCSIController).GetVirtualSCSIController()
+	hotAndRemove := true
+	configNewSCSIController.HotAddRemove = &hotAndRemove
+	configNewSCSIController.SharedBus = types.VirtualSCSISharing(types.VirtualSCSISharingNoSharing)
+
+	// add the scsi controller to virtual machine
+	err = vm.AddDevice(context.TODO(), newSCSIController)
+	if err != nil {
+		glog.V(LogLevel).Infof("Cannot add SCSI controller to VM: %q. err: %+v", vm.InventoryPath, err)
+		// attempt clean up of scsi controller
+		vm.deleteController(ctx, newSCSIController, vmDevices)
+		return nil, err
+	}
+	return newSCSIController, nil
+}
+
+// getVirtualDeviceByPath gets the virtual device by path
+func (vm *VirtualMachine) getVirtualDeviceByPath(ctx context.Context, diskPath string) (types.BaseVirtualDevice, error) {
+	vmDevices, err := vm.Device(ctx)
+	if err != nil {
+		glog.Errorf("Failed to get the devices for VM: %q. err: %+v", vm.InventoryPath, err)
+		return nil, err
+	}
+
+	// filter vm devices to retrieve device for the given vmdk file identified by disk path
+	for _, device := range vmDevices {
+		if vmDevices.TypeName(device) == "VirtualDisk" {
+			virtualDevice := device.GetVirtualDevice()
+			if backing, ok := virtualDevice.Backing.(*types.VirtualDiskFlatVer2BackingInfo); ok {
+				if matchVirtualDiskAndVolPath(backing.FileName, diskPath) {
+					glog.V(LogLevel).Infof("Found VirtualDisk backing with filename %q for diskPath %q", backing.FileName, diskPath)
+					return device, nil
+				}
+			}
+		}
+	}
+	return nil, nil
+}
+
+func matchVirtualDiskAndVolPath(diskPath, volPath string) bool {
+	fileExt := ".vmdk"
+	diskPath = strings.TrimSuffix(diskPath, fileExt)
+	volPath = strings.TrimSuffix(volPath, fileExt)
+	return diskPath == volPath
+}
+
+// deleteController removes latest added SCSI controller from VM.
+func (vm *VirtualMachine) deleteController(ctx context.Context, controllerDevice types.BaseVirtualDevice, vmDevices object.VirtualDeviceList) error {
+	controllerDeviceList := vmDevices.SelectByType(controllerDevice)
+	if len(controllerDeviceList) < 1 {
+		return ErrNoDevicesFound
+	}
+	device := controllerDeviceList[len(controllerDeviceList)-1]
+	err := vm.RemoveDevice(ctx, true, device)
+	if err != nil {
+		glog.Errorf("Error occurred while removing device on VM: %q. err: %+v", vm.InventoryPath, err)
+		return err
+	}
+	return nil
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/vmoptions.go

@@ -0,0 +1,27 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import (
+	"github.com/vmware/govmomi/object"
+)
+
+// VMOptions provides helper objects for provisioning volume with SPBM Policy
+type VMOptions struct {
+	VMFolder       *Folder
+	VMResourcePool *object.ResourcePool
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/volumeoptions.go

@@ -0,0 +1,107 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import (
+	"strings"
+
+	"github.com/golang/glog"
+)
+
+// VolumeOptions specifies various options for a volume.
+type VolumeOptions struct {
+	CapacityKB             int
+	Tags                   map[string]string
+	Name                   string
+	DiskFormat             string
+	Datastore              string
+	VSANStorageProfileData string
+	StoragePolicyName      string
+	StoragePolicyID        string
+	SCSIControllerType     string
+}
+
+var (
+	// DiskFormatValidType specifies the valid disk formats
+	DiskFormatValidType = map[string]string{
+		ThinDiskType:                              ThinDiskType,
+		strings.ToLower(EagerZeroedThickDiskType): EagerZeroedThickDiskType,
+		strings.ToLower(ZeroedThickDiskType):      PreallocatedDiskType,
+	}
+	// SCSIControllerValidType specifies the supported SCSI controllers
+	SCSIControllerValidType = []string{LSILogicControllerType, LSILogicSASControllerType, PVSCSIControllerType}
+)
+
+// DiskformatValidOptions generates Valid Options for Diskformat
+func DiskformatValidOptions() string {
+	validopts := ""
+	for diskformat := range DiskFormatValidType {
+		validopts += diskformat + ", "
+	}
+	validopts = strings.TrimSuffix(validopts, ", ")
+	return validopts
+}
+
+// CheckDiskFormatSupported checks if the diskFormat is valid
+func CheckDiskFormatSupported(diskFormat string) bool {
+	if DiskFormatValidType[diskFormat] == "" {
+		glog.Errorf("Not a valid Disk Format. Valid options are %+q", DiskformatValidOptions())
+		return false
+	}
+	return true
+}
+
+// SCSIControllerTypeValidOptions generates valid options for SCSIControllerType
+func SCSIControllerTypeValidOptions() string {
+	validopts := ""
+	for _, controllerType := range SCSIControllerValidType {
+		validopts += (controllerType + ", ")
+	}
+	validopts = strings.TrimSuffix(validopts, ", ")
+	return validopts
+}
+
+// CheckControllerSupported checks if the given controller type is valid
+func CheckControllerSupported(ctrlType string) bool {
+	for _, c := range SCSIControllerValidType {
+		if ctrlType == c {
+			return true
+		}
+	}
+	glog.Errorf("Not a valid SCSI Controller Type. Valid options are %q", SCSIControllerTypeValidOptions())
+	return false
+}
+
+// VerifyVolumeOptions checks if volumeOptions.SCIControllerType is valid controller type
+func (volumeOptions VolumeOptions) VerifyVolumeOptions() bool {
+	// Validate only if SCSIControllerType is set by user.
+	// Default value is set later in virtualDiskManager.Create and vmDiskManager.Create
+	if volumeOptions.SCSIControllerType != "" {
+		isValid := CheckControllerSupported(volumeOptions.SCSIControllerType)
+		if !isValid {
+			return false
+		}
+	}
+	// ThinDiskType is the default, so skip the validation.
+	if volumeOptions.DiskFormat != ThinDiskType {
+		isValid := CheckDiskFormatSupported(volumeOptions.DiskFormat)
+		if !isValid {
+			return false
+		}
+	}
+	return true
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/vsphere_metrics.go

@@ -0,0 +1,133 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vclib
+
+import (
+	"time"
+
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+// Cloud Provider API constants
+const (
+	APICreateVolume = "CreateVolume"
+	APIDeleteVolume = "DeleteVolume"
+	APIAttachVolume = "AttachVolume"
+	APIDetachVolume = "DetachVolume"
+)
+
+// Cloud Provider Operation constants
+const (
+	OperationDeleteVolume                  = "DeleteVolumeOperation"
+	OperationAttachVolume                  = "AttachVolumeOperation"
+	OperationDetachVolume                  = "DetachVolumeOperation"
+	OperationDiskIsAttached                = "DiskIsAttachedOperation"
+	OperationDisksAreAttached              = "DisksAreAttachedOperation"
+	OperationCreateVolume                  = "CreateVolumeOperation"
+	OperationCreateVolumeWithPolicy        = "CreateVolumeWithPolicyOperation"
+	OperationCreateVolumeWithRawVSANPolicy = "CreateVolumeWithRawVSANPolicyOperation"
+)
+
+// vsphereAPIMetric is for recording latency of Single API Call.
+var vsphereAPIMetric = prometheus.NewHistogramVec(
+	prometheus.HistogramOpts{
+		Name: "cloudprovider_vsphere_api_request_duration_seconds",
+		Help: "Latency of vsphere api call",
+	},
+	[]string{"request"},
+)
+
+var vsphereAPIErrorMetric = prometheus.NewCounterVec(
+	prometheus.CounterOpts{
+		Name: "cloudprovider_vsphere_api_request_errors",
+		Help: "vsphere Api errors",
+	},
+	[]string{"request"},
+)
+
+// vsphereOperationMetric is for recording latency of vSphere Operation which invokes multiple APIs to get the task done.
+var vsphereOperationMetric = prometheus.NewHistogramVec(
+	prometheus.HistogramOpts{
+		Name: "cloudprovider_vsphere_operation_duration_seconds",
+		Help: "Latency of vsphere operation call",
+	},
+	[]string{"operation"},
+)
+
+var vsphereOperationErrorMetric = prometheus.NewCounterVec(
+	prometheus.CounterOpts{
+		Name: "cloudprovider_vsphere_operation_errors",
+		Help: "vsphere operation errors",
+	},
+	[]string{"operation"},
+)
+
+// RegisterMetrics registers all the API and Operation metrics
+func RegisterMetrics() {
+	prometheus.MustRegister(vsphereAPIMetric)
+	prometheus.MustRegister(vsphereAPIErrorMetric)
+	prometheus.MustRegister(vsphereOperationMetric)
+	prometheus.MustRegister(vsphereOperationErrorMetric)
+}
+
+// RecordvSphereMetric records the vSphere API and Operation metrics
+func RecordvSphereMetric(actionName string, requestTime time.Time, err error) {
+	switch actionName {
+	case APICreateVolume, APIDeleteVolume, APIAttachVolume, APIDetachVolume:
+		recordvSphereAPIMetric(actionName, requestTime, err)
+	default:
+		recordvSphereOperationMetric(actionName, requestTime, err)
+	}
+}
+
+func recordvSphereAPIMetric(actionName string, requestTime time.Time, err error) {
+	if err != nil {
+		vsphereAPIErrorMetric.With(prometheus.Labels{"request": actionName}).Inc()
+	} else {
+		vsphereAPIMetric.With(prometheus.Labels{"request": actionName}).Observe(calculateTimeTaken(requestTime))
+	}
+}
+
+func recordvSphereOperationMetric(actionName string, requestTime time.Time, err error) {
+	if err != nil {
+		vsphereOperationErrorMetric.With(prometheus.Labels{"operation": actionName}).Inc()
+	} else {
+		vsphereOperationMetric.With(prometheus.Labels{"operation": actionName}).Observe(calculateTimeTaken(requestTime))
+	}
+}
+
+// RecordCreateVolumeMetric records the Create Volume metric
+func RecordCreateVolumeMetric(volumeOptions *VolumeOptions, requestTime time.Time, err error) {
+	var actionName string
+	if volumeOptions.StoragePolicyName != "" {
+		actionName = OperationCreateVolumeWithPolicy
+	} else if volumeOptions.VSANStorageProfileData != "" {
+		actionName = OperationCreateVolumeWithRawVSANPolicy
+	} else {
+		actionName = OperationCreateVolume
+	}
+	RecordvSphereMetric(actionName, requestTime, err)
+}
+
+func calculateTimeTaken(requestBeginTime time.Time) (timeTaken float64) {
+	if !requestBeginTime.IsZero() {
+		timeTaken = time.Since(requestBeginTime).Seconds()
+	} else {
+		timeTaken = 0
+	}
+	return timeTaken
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vsphere_test.go

@@ -0,0 +1,257 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vsphere
+
+import (
+	"log"
+	"os"
+	"strconv"
+	"strings"
+	"testing"
+
+	"golang.org/x/net/context"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/util/rand"
+	"k8s.io/kubernetes/pkg/cloudprovider"
+	"k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib"
+)
+
+func configFromEnv() (cfg VSphereConfig, ok bool) {
+	var InsecureFlag bool
+	var err error
+	cfg.Global.VCenterIP = os.Getenv("VSPHERE_VCENTER")
+	cfg.Global.VCenterPort = os.Getenv("VSPHERE_VCENTER_PORT")
+	cfg.Global.User = os.Getenv("VSPHERE_USER")
+	cfg.Global.Password = os.Getenv("VSPHERE_PASSWORD")
+	cfg.Global.Datacenter = os.Getenv("VSPHERE_DATACENTER")
+	cfg.Network.PublicNetwork = os.Getenv("VSPHERE_PUBLIC_NETWORK")
+	cfg.Global.DefaultDatastore = os.Getenv("VSPHERE_DATASTORE")
+	cfg.Disk.SCSIControllerType = os.Getenv("VSPHERE_SCSICONTROLLER_TYPE")
+	cfg.Global.WorkingDir = os.Getenv("VSPHERE_WORKING_DIR")
+	cfg.Global.VMName = os.Getenv("VSPHERE_VM_NAME")
+	if os.Getenv("VSPHERE_INSECURE") != "" {
+		InsecureFlag, err = strconv.ParseBool(os.Getenv("VSPHERE_INSECURE"))
+	} else {
+		InsecureFlag = false
+	}
+	if err != nil {
+		log.Fatal(err)
+	}
+	cfg.Global.InsecureFlag = InsecureFlag
+
+	ok = (cfg.Global.VCenterIP != "" &&
+		cfg.Global.User != "")
+
+	return
+}
+
+func TestReadConfig(t *testing.T) {
+	_, err := readConfig(nil)
+	if err == nil {
+		t.Errorf("Should fail when no config is provided: %s", err)
+	}
+
+	cfg, err := readConfig(strings.NewReader(`
+[Global]
+server = 0.0.0.0
+port = 443
+user = user
+password = password
+insecure-flag = true
+datacenter = us-west
+vm-uuid = 1234
+vm-name = vmname
+`))
+	if err != nil {
+		t.Fatalf("Should succeed when a valid config is provided: %s", err)
+	}
+
+	if cfg.Global.VCenterIP != "0.0.0.0" {
+		t.Errorf("incorrect vcenter ip: %s", cfg.Global.VCenterIP)
+	}
+
+	if cfg.Global.Datacenter != "us-west" {
+		t.Errorf("incorrect datacenter: %s", cfg.Global.Datacenter)
+	}
+
+	if cfg.Global.VMUUID != "1234" {
+		t.Errorf("incorrect vm-uuid: %s", cfg.Global.VMUUID)
+	}
+
+	if cfg.Global.VMName != "vmname" {
+		t.Errorf("incorrect vm-name: %s", cfg.Global.VMName)
+	}
+}
+
+func TestNewVSphere(t *testing.T) {
+	cfg, ok := configFromEnv()
+	if !ok {
+		t.Skipf("No config found in environment")
+	}
+
+	_, err := newControllerNode(cfg)
+	if err != nil {
+		t.Fatalf("Failed to construct/authenticate vSphere: %s", err)
+	}
+}
+
+func TestVSphereLogin(t *testing.T) {
+	cfg, ok := configFromEnv()
+	if !ok {
+		t.Skipf("No config found in environment")
+	}
+
+	// Create vSphere configuration object
+	vs, err := newControllerNode(cfg)
+	if err != nil {
+		t.Fatalf("Failed to construct/authenticate vSphere: %s", err)
+	}
+
+	// Create context
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	// Create vSphere client
+	var vcInstance *VSphereInstance
+	if vcInstance, ok = vs.vsphereInstanceMap[cfg.Global.VCenterIP]; !ok {
+		t.Fatalf("Couldn't get vSphere instance: %s", cfg.Global.VCenterIP)
+	}
+
+	err = vcInstance.conn.Connect(ctx)
+	if err != nil {
+		t.Errorf("Failed to connect to vSphere: %s", err)
+	}
+	defer vcInstance.conn.GoVmomiClient.Logout(ctx)
+}
+
+func TestZones(t *testing.T) {
+	cfg := VSphereConfig{}
+	cfg.Global.Datacenter = "myDatacenter"
+
+	// Create vSphere configuration object
+	vs := VSphere{
+		cfg: &cfg,
+	}
+
+	_, ok := vs.Zones()
+	if ok {
+		t.Fatalf("Zones() returned true")
+	}
+}
+
+func TestInstances(t *testing.T) {
+	cfg, ok := configFromEnv()
+	if !ok {
+		t.Skipf("No config found in environment")
+	}
+
+	vs, err := newControllerNode(cfg)
+	if err != nil {
+		t.Fatalf("Failed to construct/authenticate vSphere: %s", err)
+	}
+
+	i, ok := vs.Instances()
+	if !ok {
+		t.Fatalf("Instances() returned false")
+	}
+
+	nodeName, err := vs.CurrentNodeName("")
+	if err != nil {
+		t.Fatalf("CurrentNodeName() failed: %s", err)
+	}
+
+	externalID, err := i.ExternalID(nodeName)
+	if err != nil {
+		t.Fatalf("Instances.ExternalID(%s) failed: %s", nodeName, err)
+	}
+	t.Logf("Found ExternalID(%s) = %s\n", nodeName, externalID)
+
+	nonExistingVM := types.NodeName(rand.String(15))
+	externalID, err = i.ExternalID(nonExistingVM)
+	if err == cloudprovider.InstanceNotFound {
+		t.Logf("VM %s was not found as expected\n", nonExistingVM)
+	} else if err == nil {
+		t.Fatalf("Instances.ExternalID did not fail as expected, VM %s was found", nonExistingVM)
+	} else {
+		t.Fatalf("Instances.ExternalID did not fail as expected, err: %v", err)
+	}
+
+	instanceID, err := i.InstanceID(nodeName)
+	if err != nil {
+		t.Fatalf("Instances.InstanceID(%s) failed: %s", nodeName, err)
+	}
+	t.Logf("Found InstanceID(%s) = %s\n", nodeName, instanceID)
+
+	instanceID, err = i.InstanceID(nonExistingVM)
+	if err == cloudprovider.InstanceNotFound {
+		t.Logf("VM %s was not found as expected\n", nonExistingVM)
+	} else if err == nil {
+		t.Fatalf("Instances.InstanceID did not fail as expected, VM %s was found", nonExistingVM)
+	} else {
+		t.Fatalf("Instances.InstanceID did not fail as expected, err: %v", err)
+	}
+
+	addrs, err := i.NodeAddresses(nodeName)
+	if err != nil {
+		t.Fatalf("Instances.NodeAddresses(%s) failed: %s", nodeName, err)
+	}
+	t.Logf("Found NodeAddresses(%s) = %s\n", nodeName, addrs)
+}
+
+func TestVolumes(t *testing.T) {
+	cfg, ok := configFromEnv()
+	if !ok {
+		t.Skipf("No config found in environment")
+	}
+
+	vs, err := newControllerNode(cfg)
+	if err != nil {
+		t.Fatalf("Failed to construct/authenticate vSphere: %s", err)
+	}
+
+	nodeName, err := vs.CurrentNodeName("")
+	if err != nil {
+		t.Fatalf("CurrentNodeName() failed: %s", err)
+	}
+
+	volumeOptions := &vclib.VolumeOptions{
+		CapacityKB: 1 * 1024 * 1024,
+		Tags:       nil,
+		Name:       "kubernetes-test-volume-" + rand.String(10),
+		DiskFormat: "thin"}
+
+	volPath, err := vs.CreateVolume(volumeOptions)
+	if err != nil {
+		t.Fatalf("Cannot create a new VMDK volume: %v", err)
+	}
+
+	_, err = vs.AttachDisk(volPath, "", "")
+	if err != nil {
+		t.Fatalf("Cannot attach volume(%s) to VM(%s): %v", volPath, nodeName, err)
+	}
+
+	err = vs.DetachDisk(volPath, "")
+	if err != nil {
+		t.Fatalf("Cannot detach disk(%s) from VM(%s): %v", volPath, nodeName, err)
+	}
+
+	// todo: Deleting a volume after detach currently not working through API or UI (vSphere)
+	// err = vs.DeleteVolume(volPath)
+	// if err != nil {
+	// 	t.Fatalf("Cannot delete VMDK volume %s: %v", volPath, err)
+	// }
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vsphere_util.go

@@ -0,0 +1,539 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package vsphere
+
+import (
+	"context"
+	"errors"
+	"io/ioutil"
+	"os"
+	"regexp"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/golang/glog"
+	"github.com/vmware/govmomi"
+	"github.com/vmware/govmomi/vim25"
+
+	"fmt"
+
+	"path/filepath"
+
+	"github.com/vmware/govmomi/vim25/mo"
+	"k8s.io/api/core/v1"
+	k8stypes "k8s.io/apimachinery/pkg/types"
+	"k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib"
+	"k8s.io/kubernetes/pkg/cloudprovider/providers/vsphere/vclib/diskmanagers"
+)
+
+const (
+	DatastoreProperty     = "datastore"
+	DatastoreInfoProperty = "info"
+	Folder                = "Folder"
+	VirtualMachine        = "VirtualMachine"
+	DummyDiskName         = "kube-dummyDisk.vmdk"
+)
+
+// GetVSphere reads vSphere configuration from system environment and construct vSphere object
+func GetVSphere() (*VSphere, error) {
+	cfg := getVSphereConfig()
+	vSphereConn := getVSphereConn(cfg)
+	client, err := GetgovmomiClient(vSphereConn)
+	if err != nil {
+		return nil, err
+	}
+	vSphereConn.GoVmomiClient = client
+	vsphereIns := &VSphereInstance{
+		conn: vSphereConn,
+		cfg: &VirtualCenterConfig{
+			User:              cfg.Global.User,
+			Password:          cfg.Global.Password,
+			VCenterPort:       cfg.Global.VCenterPort,
+			Datacenters:       cfg.Global.Datacenters,
+			RoundTripperCount: cfg.Global.RoundTripperCount,
+		},
+	}
+	vsphereInsMap := make(map[string]*VSphereInstance)
+	vsphereInsMap[cfg.Global.VCenterIP] = vsphereIns
+	// TODO: Initialize nodeManager and set it in VSphere.
+	vs := &VSphere{
+		vsphereInstanceMap: vsphereInsMap,
+		hostName:           "",
+		cfg:                cfg,
+		nodeManager: &NodeManager{
+			vsphereInstanceMap: vsphereInsMap,
+			nodeInfoMap:        make(map[string]*NodeInfo),
+			registeredNodes:    make(map[string]*v1.Node),
+		},
+	}
+	runtime.SetFinalizer(vs, logout)
+	return vs, nil
+}
+
+func getVSphereConfig() *VSphereConfig {
+	var cfg VSphereConfig
+	cfg.Global.VCenterIP = os.Getenv("VSPHERE_VCENTER")
+	cfg.Global.VCenterPort = os.Getenv("VSPHERE_VCENTER_PORT")
+	cfg.Global.User = os.Getenv("VSPHERE_USER")
+	cfg.Global.Password = os.Getenv("VSPHERE_PASSWORD")
+	cfg.Global.Datacenters = os.Getenv("VSPHERE_DATACENTER")
+	cfg.Global.DefaultDatastore = os.Getenv("VSPHERE_DATASTORE")
+	cfg.Global.WorkingDir = os.Getenv("VSPHERE_WORKING_DIR")
+	cfg.Global.VMName = os.Getenv("VSPHERE_VM_NAME")
+	cfg.Global.InsecureFlag = false
+	if strings.ToLower(os.Getenv("VSPHERE_INSECURE")) == "true" {
+		cfg.Global.InsecureFlag = true
+	}
+	cfg.Workspace.VCenterIP = cfg.Global.VCenterIP
+	cfg.Workspace.Datacenter = cfg.Global.Datacenters
+	cfg.Workspace.DefaultDatastore = cfg.Global.DefaultDatastore
+	cfg.Workspace.Folder = cfg.Global.WorkingDir
+	return &cfg
+}
+
+func getVSphereConn(cfg *VSphereConfig) *vclib.VSphereConnection {
+	vSphereConn := &vclib.VSphereConnection{
+		Username:          cfg.Global.User,
+		Password:          cfg.Global.Password,
+		Hostname:          cfg.Global.VCenterIP,
+		Insecure:          cfg.Global.InsecureFlag,
+		RoundTripperCount: cfg.Global.RoundTripperCount,
+		Port:              cfg.Global.VCenterPort,
+	}
+	return vSphereConn
+}
+
+// GetgovmomiClient gets the goVMOMI client for the vsphere connection object
+func GetgovmomiClient(conn *vclib.VSphereConnection) (*govmomi.Client, error) {
+	if conn == nil {
+		cfg := getVSphereConfig()
+		conn = getVSphereConn(cfg)
+	}
+	client, err := conn.NewClient(context.TODO())
+	return client, err
+}
+
+// getvmUUID gets the BIOS UUID via the sys interface.  This UUID is known by vsphere
+func getvmUUID() (string, error) {
+	id, err := ioutil.ReadFile(UUIDPath)
+	if err != nil {
+		return "", fmt.Errorf("error retrieving vm uuid: %s", err)
+	}
+	uuidFromFile := string(id[:])
+	//strip leading and trailing white space and new line char
+	uuid := strings.TrimSpace(uuidFromFile)
+	// check the uuid starts with "VMware-"
+	if !strings.HasPrefix(uuid, UUIDPrefix) {
+		return "", fmt.Errorf("Failed to match Prefix, UUID read from the file is %v", uuidFromFile)
+	}
+	// Strip the prefix and while spaces and -
+	uuid = strings.Replace(uuid[len(UUIDPrefix):(len(uuid))], " ", "", -1)
+	uuid = strings.Replace(uuid, "-", "", -1)
+	if len(uuid) != 32 {
+		return "", fmt.Errorf("Length check failed, UUID read from the file is %v", uuidFromFile)
+	}
+	// need to add dashes, e.g. "564d395e-d807-e18a-cb25-b79f65eb2b9f"
+	uuid = fmt.Sprintf("%s-%s-%s-%s-%s", uuid[0:8], uuid[8:12], uuid[12:16], uuid[16:20], uuid[20:32])
+	return uuid, nil
+}
+
+// Returns the accessible datastores for the given node VM.
+func getAccessibleDatastores(ctx context.Context, nodeVmDetail *NodeDetails, nodeManager *NodeManager) ([]*vclib.DatastoreInfo, error) {
+	accessibleDatastores, err := nodeVmDetail.vm.GetAllAccessibleDatastores(ctx)
+	if err != nil {
+		// Check if the node VM is not found which indicates that the node info in the node manager is stale.
+		// If so, rediscover the node and retry.
+		if vclib.IsManagedObjectNotFoundError(err) {
+			glog.V(4).Infof("error %q ManagedObjectNotFound for node %q. Rediscovering...", err, nodeVmDetail.NodeName)
+			err = nodeManager.RediscoverNode(convertToK8sType(nodeVmDetail.NodeName))
+			if err == nil {
+				glog.V(4).Infof("Discovered node %s successfully", nodeVmDetail.NodeName)
+				nodeInfo, err := nodeManager.GetNodeInfo(convertToK8sType(nodeVmDetail.NodeName))
+				if err != nil {
+					glog.V(4).Infof("error %q getting node info for node %+v", err, nodeVmDetail)
+					return nil, err
+				}
+
+				accessibleDatastores, err = nodeInfo.vm.GetAllAccessibleDatastores(ctx)
+				if err != nil {
+					glog.V(4).Infof("error %q getting accessible datastores for node %+v", err, nodeVmDetail)
+					return nil, err
+				}
+			} else {
+				glog.V(4).Infof("error %q rediscovering node %+v", err, nodeVmDetail)
+				return nil, err
+			}
+		} else {
+			glog.V(4).Infof("error %q getting accessible datastores for node %+v", err, nodeVmDetail)
+			return nil, err
+		}
+	}
+	return accessibleDatastores, nil
+}
+
+// Get all datastores accessible for the virtual machine object.
+func getSharedDatastoresInK8SCluster(ctx context.Context, dc *vclib.Datacenter, nodeManager *NodeManager) ([]*vclib.DatastoreInfo, error) {
+	nodeVmDetails, err := nodeManager.GetNodeDetails()
+	if err != nil {
+		glog.Errorf("Error while obtaining Kubernetes node nodeVmDetail details. error : %+v", err)
+		return nil, err
+	}
+
+	if len(nodeVmDetails) == 0 {
+		msg := fmt.Sprintf("Kubernetes node nodeVmDetail details is empty. nodeVmDetails : %+v", nodeVmDetails)
+		glog.Error(msg)
+		return nil, fmt.Errorf(msg)
+	}
+	var sharedDatastores []*vclib.DatastoreInfo
+	for _, nodeVmDetail := range nodeVmDetails {
+		glog.V(9).Infof("Getting accessible datastores for node %s", nodeVmDetail.NodeName)
+		accessibleDatastores, err := getAccessibleDatastores(ctx, &nodeVmDetail, nodeManager)
+		if err != nil {
+			if err == vclib.ErrNoVMFound {
+				glog.V(9).Infof("Got NoVMFound error for node %s", nodeVmDetail.NodeName)
+				continue
+			}
+			return nil, err
+		}
+
+		if len(sharedDatastores) == 0 {
+			sharedDatastores = accessibleDatastores
+		} else {
+			sharedDatastores = intersect(sharedDatastores, accessibleDatastores)
+			if len(sharedDatastores) == 0 {
+				return nil, fmt.Errorf("No shared datastores found in the Kubernetes cluster for nodeVmDetails: %+v", nodeVmDetails)
+			}
+		}
+	}
+	glog.V(9).Infof("sharedDatastores : %+v", sharedDatastores)
+	sharedDatastores, err = getDatastoresForEndpointVC(ctx, dc, sharedDatastores)
+	if err != nil {
+		glog.Errorf("Failed to get shared datastores from endpoint VC. err: %+v", err)
+		return nil, err
+	}
+	glog.V(9).Infof("sharedDatastores at endpoint VC: %+v", sharedDatastores)
+	return sharedDatastores, nil
+}
+
+func intersect(list1 []*vclib.DatastoreInfo, list2 []*vclib.DatastoreInfo) []*vclib.DatastoreInfo {
+	glog.V(9).Infof("list1: %+v", list1)
+	glog.V(9).Infof("list2: %+v", list2)
+	var sharedDs []*vclib.DatastoreInfo
+	for _, val1 := range list1 {
+		// Check if val1 is found in list2
+		for _, val2 := range list2 {
+			// Intersection is performed based on the datastoreUrl as this uniquely identifies the datastore.
+			if val1.Info.Url == val2.Info.Url {
+				sharedDs = append(sharedDs, val1)
+				break
+			}
+		}
+	}
+	return sharedDs
+}
+
+// getMostFreeDatastore gets the best fit compatible datastore by free space.
+func getMostFreeDatastoreName(ctx context.Context, client *vim25.Client, dsInfoList []*vclib.DatastoreInfo) (string, error) {
+	var curMax int64
+	curMax = -1
+	var index int
+	for i, dsInfo := range dsInfoList {
+		dsFreeSpace := dsInfo.Info.GetDatastoreInfo().FreeSpace
+		if dsFreeSpace > curMax {
+			curMax = dsFreeSpace
+			index = i
+		}
+	}
+	return dsInfoList[index].Info.GetDatastoreInfo().Name, nil
+}
+
+// Returns the datastores in the given datacenter by performing lookup based on datastore URL.
+func getDatastoresForEndpointVC(ctx context.Context, dc *vclib.Datacenter, sharedDsInfos []*vclib.DatastoreInfo) ([]*vclib.DatastoreInfo, error) {
+	var datastores []*vclib.DatastoreInfo
+	allDsInfoMap, err := dc.GetAllDatastores(ctx)
+	if err != nil {
+		return nil, err
+	}
+	for _, sharedDsInfo := range sharedDsInfos {
+		dsInfo, ok := allDsInfoMap[sharedDsInfo.Info.Url]
+		if ok {
+			datastores = append(datastores, dsInfo)
+		} else {
+			glog.V(4).Infof("Warning: Shared datastore with URL %s does not exist in endpoint VC", sharedDsInfo.Info.Url)
+		}
+	}
+	glog.V(9).Infof("Datastore from endpoint VC: %+v", datastores)
+	return datastores, nil
+}
+
+func getPbmCompatibleDatastore(ctx context.Context, dc *vclib.Datacenter, storagePolicyName string, nodeManager *NodeManager) (string, error) {
+	pbmClient, err := vclib.NewPbmClient(ctx, dc.Client())
+	if err != nil {
+		return "", err
+	}
+	storagePolicyID, err := pbmClient.ProfileIDByName(ctx, storagePolicyName)
+	if err != nil {
+		glog.Errorf("Failed to get Profile ID by name: %s. err: %+v", storagePolicyName, err)
+		return "", err
+	}
+	sharedDs, err := getSharedDatastoresInK8SCluster(ctx, dc, nodeManager)
+	if err != nil {
+		glog.Errorf("Failed to get shared datastores. err: %+v", err)
+		return "", err
+	}
+	if len(sharedDs) == 0 {
+		msg := "No shared datastores found in the endpoint virtual center"
+		glog.Errorf(msg)
+		return "", errors.New(msg)
+	}
+	compatibleDatastores, _, err := pbmClient.GetCompatibleDatastores(ctx, dc, storagePolicyID, sharedDs)
+	if err != nil {
+		glog.Errorf("Failed to get compatible datastores from datastores : %+v with storagePolicy: %s. err: %+v",
+			sharedDs, storagePolicyID, err)
+		return "", err
+	}
+	glog.V(9).Infof("compatibleDatastores : %+v", compatibleDatastores)
+	datastore, err := getMostFreeDatastoreName(ctx, dc.Client(), compatibleDatastores)
+	if err != nil {
+		glog.Errorf("Failed to get most free datastore from compatible datastores: %+v. err: %+v", compatibleDatastores, err)
+		return "", err
+	}
+	glog.V(4).Infof("Most free datastore : %+s", datastore)
+	return datastore, err
+}
+
+func (vs *VSphere) setVMOptions(ctx context.Context, dc *vclib.Datacenter, resourcePoolPath string) (*vclib.VMOptions, error) {
+	var vmOptions vclib.VMOptions
+	resourcePool, err := dc.GetResourcePool(ctx, resourcePoolPath)
+	if err != nil {
+		return nil, err
+	}
+	glog.V(9).Infof("Resource pool path %s, resourcePool %+v", resourcePoolPath, resourcePool)
+	folder, err := dc.GetFolderByPath(ctx, vs.cfg.Workspace.Folder)
+	if err != nil {
+		return nil, err
+	}
+	vmOptions.VMFolder = folder
+	vmOptions.VMResourcePool = resourcePool
+	return &vmOptions, nil
+}
+
+// A background routine which will be responsible for deleting stale dummy VM's.
+func (vs *VSphere) cleanUpDummyVMs(dummyVMPrefix string) {
+	// Create context
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	for {
+		time.Sleep(CleanUpDummyVMRoutineInterval * time.Minute)
+		vsi, err := vs.getVSphereInstanceForServer(vs.cfg.Workspace.VCenterIP, ctx)
+		if err != nil {
+			glog.V(4).Infof("Failed to get VSphere instance with err: %+v. Retrying again...", err)
+			continue
+		}
+		dc, err := vclib.GetDatacenter(ctx, vsi.conn, vs.cfg.Workspace.Datacenter)
+		if err != nil {
+			glog.V(4).Infof("Failed to get the datacenter: %s from VC. err: %+v", vs.cfg.Workspace.Datacenter, err)
+			continue
+		}
+		// Get the folder reference for global working directory where the dummy VM needs to be created.
+		vmFolder, err := dc.GetFolderByPath(ctx, vs.cfg.Workspace.Folder)
+		if err != nil {
+			glog.V(4).Infof("Unable to get the kubernetes folder: %q reference. err: %+v", vs.cfg.Workspace.Folder, err)
+			continue
+		}
+		// A write lock is acquired to make sure the cleanUp routine doesn't delete any VM's created by ongoing PVC requests.
+		defer cleanUpDummyVMLock.Lock()
+		err = diskmanagers.CleanUpDummyVMs(ctx, vmFolder, dc)
+		if err != nil {
+			glog.V(4).Infof("Unable to clean up dummy VM's in the kubernetes cluster: %q. err: %+v", vs.cfg.Workspace.Folder, err)
+		}
+	}
+}
+
+// Get canonical volume path for volume Path.
+// Example1: The canonical path for volume path - [vsanDatastore] kubevols/volume.vmdk will be [vsanDatastore] 25d8b159-948c-4b73-e499-02001ad1b044/volume.vmdk
+// Example2: The canonical path for volume path - [vsanDatastore] 25d8b159-948c-4b73-e499-02001ad1b044/volume.vmdk will be same as volume Path.
+func getcanonicalVolumePath(ctx context.Context, dc *vclib.Datacenter, volumePath string) (string, error) {
+	var folderID string
+	var folderExists bool
+	canonicalVolumePath := volumePath
+	dsPathObj, err := vclib.GetDatastorePathObjFromVMDiskPath(volumePath)
+	if err != nil {
+		return "", err
+	}
+	dsPath := strings.Split(strings.TrimSpace(dsPathObj.Path), "/")
+	if len(dsPath) <= 1 {
+		return canonicalVolumePath, nil
+	}
+	datastore := dsPathObj.Datastore
+	dsFolder := dsPath[0]
+	folderNameIDMap, datastoreExists := datastoreFolderIDMap[datastore]
+	if datastoreExists {
+		folderID, folderExists = folderNameIDMap[dsFolder]
+	}
+	// Get the datastore folder ID if datastore or folder doesn't exist in datastoreFolderIDMap
+	if !datastoreExists || !folderExists {
+		if !vclib.IsValidUUID(dsFolder) {
+			dummyDiskVolPath := "[" + datastore + "] " + dsFolder + "/" + DummyDiskName
+			// Querying a non-existent dummy disk on the datastore folder.
+			// It would fail and return an folder ID in the error message.
+			_, err := dc.GetVirtualDiskPage83Data(ctx, dummyDiskVolPath)
+			if err != nil {
+				re := regexp.MustCompile("File (.*?) was not found")
+				match := re.FindStringSubmatch(err.Error())
+				canonicalVolumePath = match[1]
+			}
+		}
+		diskPath := vclib.GetPathFromVMDiskPath(canonicalVolumePath)
+		if diskPath == "" {
+			return "", fmt.Errorf("Failed to parse canonicalVolumePath: %s in getcanonicalVolumePath method", canonicalVolumePath)
+		}
+		folderID = strings.Split(strings.TrimSpace(diskPath), "/")[0]
+		setdatastoreFolderIDMap(datastoreFolderIDMap, datastore, dsFolder, folderID)
+	}
+	canonicalVolumePath = strings.Replace(volumePath, dsFolder, folderID, 1)
+	return canonicalVolumePath, nil
+}
+
+func setdatastoreFolderIDMap(
+	datastoreFolderIDMap map[string]map[string]string,
+	datastore string,
+	folderName string,
+	folderID string) {
+	folderNameIDMap := datastoreFolderIDMap[datastore]
+	if folderNameIDMap == nil {
+		folderNameIDMap = make(map[string]string)
+		datastoreFolderIDMap[datastore] = folderNameIDMap
+	}
+	folderNameIDMap[folderName] = folderID
+}
+
+func convertVolPathToDevicePath(ctx context.Context, dc *vclib.Datacenter, volPath string) (string, error) {
+	volPath = vclib.RemoveStorageClusterORFolderNameFromVDiskPath(volPath)
+	// Get the canonical volume path for volPath.
+	canonicalVolumePath, err := getcanonicalVolumePath(ctx, dc, volPath)
+	if err != nil {
+		glog.Errorf("Failed to get canonical vsphere volume path for volume: %s. err: %+v", volPath, err)
+		return "", err
+	}
+	// Check if the volume path contains .vmdk extension. If not, add the extension and update the nodeVolumes Map
+	if len(canonicalVolumePath) > 0 && filepath.Ext(canonicalVolumePath) != ".vmdk" {
+		canonicalVolumePath += ".vmdk"
+	}
+	return canonicalVolumePath, nil
+}
+
+// convertVolPathsToDevicePaths removes cluster or folder path from volPaths and convert to canonicalPath
+func (vs *VSphere) convertVolPathsToDevicePaths(ctx context.Context, nodeVolumes map[k8stypes.NodeName][]string) (map[k8stypes.NodeName][]string, error) {
+	vmVolumes := make(map[k8stypes.NodeName][]string)
+	for nodeName, volPaths := range nodeVolumes {
+		nodeInfo, err := vs.nodeManager.GetNodeInfo(nodeName)
+		if err != nil {
+			return nil, err
+		}
+
+		_, err = vs.getVSphereInstanceForServer(nodeInfo.vcServer, ctx)
+		if err != nil {
+			return nil, err
+		}
+
+		for i, volPath := range volPaths {
+			deviceVolPath, err := convertVolPathToDevicePath(ctx, nodeInfo.dataCenter, volPath)
+			if err != nil {
+				glog.Errorf("Failed to convert vsphere volume path %s to device path for volume %s. err: %+v", volPath, deviceVolPath, err)
+				return nil, err
+			}
+			volPaths[i] = deviceVolPath
+		}
+		vmVolumes[nodeName] = volPaths
+	}
+	return vmVolumes, nil
+}
+
+// checkDiskAttached verifies volumes are attached to the VMs which are in same vCenter and Datacenter
+// Returns nodes if exist any for which VM is not found in that vCenter and Datacenter
+func (vs *VSphere) checkDiskAttached(ctx context.Context, nodes []k8stypes.NodeName, nodeVolumes map[k8stypes.NodeName][]string, attached map[string]map[string]bool, retry bool) ([]k8stypes.NodeName, error) {
+	var nodesToRetry []k8stypes.NodeName
+	var vmList []*vclib.VirtualMachine
+	var nodeInfo NodeInfo
+	var err error
+
+	for _, nodeName := range nodes {
+		nodeInfo, err = vs.nodeManager.GetNodeInfo(nodeName)
+		if err != nil {
+			return nodesToRetry, err
+		}
+		vmList = append(vmList, nodeInfo.vm)
+	}
+
+	// Making sure session is valid
+	_, err = vs.getVSphereInstanceForServer(nodeInfo.vcServer, ctx)
+	if err != nil {
+		return nodesToRetry, err
+	}
+
+	// If any of the nodes are not present property collector query will fail for entire operation
+	vmMoList, err := nodeInfo.dataCenter.GetVMMoList(ctx, vmList, []string{"config.hardware.device", "name", "config.uuid"})
+	if err != nil {
+		if vclib.IsManagedObjectNotFoundError(err) && !retry {
+			glog.V(4).Infof("checkDiskAttached: ManagedObjectNotFound for property collector query for nodes: %+v vms: %+v", nodes, vmList)
+			// Property Collector Query failed
+			// VerifyVolumePaths per VM
+			for _, nodeName := range nodes {
+				nodeInfo, err := vs.nodeManager.GetNodeInfo(nodeName)
+				if err != nil {
+					return nodesToRetry, err
+				}
+				devices, err := nodeInfo.vm.VirtualMachine.Device(ctx)
+				if err != nil {
+					if vclib.IsManagedObjectNotFoundError(err) {
+						glog.V(4).Infof("checkDiskAttached: ManagedObjectNotFound for Kubernetes node: %s with vSphere Virtual Machine reference: %v", nodeName, nodeInfo.vm)
+						nodesToRetry = append(nodesToRetry, nodeName)
+						continue
+					}
+					return nodesToRetry, err
+				}
+				glog.V(4).Infof("Verifying Volume Paths by devices for node %s and VM %s", nodeName, nodeInfo.vm)
+				vclib.VerifyVolumePathsForVMDevices(devices, nodeVolumes[nodeName], convertToString(nodeName), attached)
+			}
+		}
+		return nodesToRetry, err
+	}
+
+	vmMoMap := make(map[string]mo.VirtualMachine)
+	for _, vmMo := range vmMoList {
+		if vmMo.Config == nil {
+			glog.Errorf("Config is not available for VM: %q", vmMo.Name)
+			continue
+		}
+		glog.V(9).Infof("vmMoMap vmname: %q vmuuid: %s", vmMo.Name, strings.ToLower(vmMo.Config.Uuid))
+		vmMoMap[strings.ToLower(vmMo.Config.Uuid)] = vmMo
+	}
+
+	glog.V(9).Infof("vmMoMap: +%v", vmMoMap)
+
+	for _, nodeName := range nodes {
+		node, err := vs.nodeManager.GetNode(nodeName)
+		if err != nil {
+			return nodesToRetry, err
+		}
+		glog.V(9).Infof("Verifying volume for nodeName: %q with nodeuuid: %s", nodeName, node.Status.NodeInfo.SystemUUID, vmMoMap)
+		vclib.VerifyVolumePathsForVM(vmMoMap[strings.ToLower(node.Status.NodeInfo.SystemUUID)], nodeVolumes[nodeName], convertToString(nodeName), attached)
+	}
+	return nodesToRetry, nil
+}