volume

package
v0.20.0-alpha8 Latest Latest
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 Go to latest Published: Feb 25, 2016 License: Apache-2.0, Apache-2.0 Imports: 32 Imported by: 0

Documentation

Overview

Package volume includes internal representations of external volume types as well as utility methods required to mount/unmount volumes to kubelets.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CalculateTimeoutForVolume 

func CalculateTimeoutForVolume(minimumTimeout, timeoutIncrement int, pv *api.PersistentVolume) int64

CalculateTimeoutForVolume calculates time for a Recycler pod to complete a recycle operation. The calculation and return value is either the minimumTimeout or the timeoutIncrement per Gi of storage size, whichever is greater.

func FindEmptyDirectoryUsageOnTmpfs 

func FindEmptyDirectoryUsageOnTmpfs() (*resource.Quantity, error)

FindEmptyDirectoryUsageOnTmpfs finds the expected usage of an empty directory existing on a tmpfs filesystem on this system.

func GenerateVolumeName 

func GenerateVolumeName(clusterName, pvName string, maxLength int) string

GenerateVolumeName returns a PV name with clusterName prefix. The function should be used to generate a name of GCE PD or Cinder volume. It basically adds "<clusterName>-dynamic-" before the PV name, making sure the resulting string fits given length and cuts "dynamic" if not.

func NewFakeVolumeHost 

func NewFakeVolumeHost(rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin) *fakeVolumeHost

func NewPersistentVolumeRecyclerPodTemplate 

func NewPersistentVolumeRecyclerPodTemplate() *api.Pod

NewPersistentVolumeRecyclerPodTemplate creates a template for a recycler pod. By default, a recycler pod simply runs "rm -rf" on a volume and tests for emptiness. Most attributes of the template will be correct for most plugin implementations. The following attributes can be overridden per plugin via configuration:

1. pod.Spec.Volumes[0].VolumeSource must be overridden. Recycler implementations without a valid VolumeSource will fail. 2. pod.GenerateName helps distinguish recycler pods by name. Recommended. Default is "pv-recycler-". 3. pod.Spec.ActiveDeadlineSeconds gives the recycler pod a maximum timeout before failing. Recommended. Default is 60 seconds.

See HostPath and NFS for working recycler examples

func RecycleVolumeByWatchingPodUntilCompletion 

func RecycleVolumeByWatchingPodUntilCompletion(pod *api.Pod, kubeClient clientset.Interface) error

RecycleVolumeByWatchingPodUntilCompletion is intended for use with volume Recyclers. This function will save the given Pod to the API and watch it until it completes, fails, or the pod's ActiveDeadlineSeconds is exceeded, whichever comes first. An attempt to delete a recycler pod is always attempted before returning. 

pod - the pod designed by a volume plugin to recycle the volume
client - kube client for API operations.

func RenameDirectory 

func RenameDirectory(oldPath, newName string) (string, error)

func RoundUpSize 

func RoundUpSize(volumeSizeBytes int64, allocationUnitBytes int64) int64

RoundUpSize calculates how many allocation units are needed to accommodate a volume of given size. E.g. when user wants 1500MiB volume, while AWS EBS allocates volumes in gibibyte-sized chunks, RoundUpSize(1500 * 1024*1024, 1024*1024*1024) returns '2' (2 GiB is the smallest allocatable volume that can hold 1500MiB)

func SetVolumeOwnership 

func SetVolumeOwnership(builder Builder, fsGroup *int64) error

SetVolumeOwnership modifies the given volume to be owned by fsGroup, and sets SetGid so that newly created files are owned by fsGroup. If fsGroup is nil nothing is done.

Types

type AttachableVolumePlugin 

type AttachableVolumePlugin interface {
	VolumePlugin
	NewAttacher(spec *Spec) (Attacher, error)
	NewDetacher(name string, podUID types.UID) (Detacher, error)
}

AttachableVolumePlugin is an extended interface of VolumePlugin and is used for volumes that require attachment to a node before mounting.

type Attacher 

type Attacher interface {
	Volume
	Attach() error
}

Attacher can attach a volume to a node.

type Attributes 

type Attributes struct {
	ReadOnly        bool
	Managed         bool
	SupportsSELinux bool
}

Attributes represents the attributes of this builder.

type Builder 

type Builder interface {
	// Uses Interface to provide the path for Docker binds.
	Volume
	// SetUp prepares and mounts/unpacks the volume to a
	// self-determined directory path. The mount point and its
	// content should be owned by 'fsGroup' so that it can be
	// accessed by the pod. This may be called more than once, so
	// implementations must be idempotent.
	SetUp(fsGroup *int64) error
	// SetUpAt prepares and mounts/unpacks the volume to the
	// specified directory path, which may or may not exist yet.
	// The mount point and its content should be owned by
	// 'fsGroup' so that it can be accessed by the pod. This may
	// be called more than once, so implementations must be
	// idempotent.
	SetUpAt(dir string, fsGroup *int64) error
	// GetAttributes returns the attributes of the builder.
	GetAttributes() Attributes
}

Builder interface provides methods to set up/mount the volume.

type Cleaner 

type Cleaner interface {
	Volume
	// TearDown unmounts the volume from a self-determined directory and
	// removes traces of the SetUp procedure.
	TearDown() error
	// TearDown unmounts the volume from the specified directory and
	// removes traces of the SetUp procedure.
	TearDownAt(dir string) error
}

Cleaner interface provides methods to cleanup/unmount the volumes.

type DeletableVolumePlugin 

type DeletableVolumePlugin interface {
	VolumePlugin
	// NewDeleter creates a new volume.Deleter which knows how to delete this resource
	// in accordance with the underlying storage provider after the volume's release from a claim
	NewDeleter(spec *Spec) (Deleter, error)
}

DeletableVolumePlugin is an extended interface of VolumePlugin and is used by persistent volumes that want to be deleted from the cluster after their release from a PersistentVolumeClaim.

type Deleter 

type Deleter interface {
	Volume
	// This method should block until completion.
	Delete() error
}

Deleter removes the resource from the underlying storage provider. Calls to this method should block until the deletion is complete. Any error returned indicates the volume has failed to be reclaimed. A nil return indicates success.

type Detacher 

type Detacher interface {
	Detach() error
}

Detacher can detach a volume from a node.

type FakeDeleter 

type FakeDeleter struct {
	MetricsNil
	// contains filtered or unexported fields
}

func (*FakeDeleter) Delete 

func (fd *FakeDeleter) Delete() error

func (*FakeDeleter) GetPath 

func (fd *FakeDeleter) GetPath() string

type FakeProvisioner 

type FakeProvisioner struct {
	Options VolumeOptions
	Host    VolumeHost
}

func (*FakeProvisioner) NewPersistentVolumeTemplate 

func (fc *FakeProvisioner) NewPersistentVolumeTemplate() (*api.PersistentVolume, error)

func (*FakeProvisioner) Provision 

func (fc *FakeProvisioner) Provision(pv *api.PersistentVolume) error

type FakeVolume 

type FakeVolume struct {
	PodUID  types.UID
	VolName string
	Plugin  *FakeVolumePlugin
	MetricsNil
}

func (*FakeVolume) Attach 

func (fv *FakeVolume) Attach() error

func (*FakeVolume) Detach 

func (fv *FakeVolume) Detach() error

func (*FakeVolume) GetAttributes 

func (_ *FakeVolume) GetAttributes() Attributes

func (*FakeVolume) GetPath 

func (fv *FakeVolume) GetPath() string

func (*FakeVolume) SetUp 

func (fv *FakeVolume) SetUp(fsGroup *int64) error

func (*FakeVolume) SetUpAt 

func (fv *FakeVolume) SetUpAt(dir string, fsGroup *int64) error

func (*FakeVolume) TearDown 

func (fv *FakeVolume) TearDown() error

func (*FakeVolume) TearDownAt 

func (fv *FakeVolume) TearDownAt(dir string) error

type FakeVolumePlugin 

type FakeVolumePlugin struct {
	PluginName             string
	Host                   VolumeHost
	Config                 VolumeConfig
	LastProvisionerOptions VolumeOptions
	NewAttacherCallCount   int
	NewDetacherCallCount   int
}

FakeVolumePlugin is useful for testing. It tries to be a fully compliant plugin, but all it does is make empty directories. Use as: 

volume.RegisterPlugin(&FakePlugin{"fake-name"})

func (*FakeVolumePlugin) CanSupport 

func (plugin *FakeVolumePlugin) CanSupport(spec *Spec) bool

func (*FakeVolumePlugin) GetAccessModes 

func (plugin *FakeVolumePlugin) GetAccessModes() []api.PersistentVolumeAccessMode

func (*FakeVolumePlugin) Init 

func (plugin *FakeVolumePlugin) Init(host VolumeHost) error

func (*FakeVolumePlugin) Name 

func (plugin *FakeVolumePlugin) Name() string

func (*FakeVolumePlugin) NewAttacher 

func (plugin *FakeVolumePlugin) NewAttacher(spec *Spec) (Attacher, error)

func (*FakeVolumePlugin) NewBuilder 

func (plugin *FakeVolumePlugin) NewBuilder(spec *Spec, pod *api.Pod, opts VolumeOptions) (Builder, error)

func (*FakeVolumePlugin) NewCleaner 

func (plugin *FakeVolumePlugin) NewCleaner(volName string, podUID types.UID) (Cleaner, error)

func (*FakeVolumePlugin) NewDeleter 

func (plugin *FakeVolumePlugin) NewDeleter(spec *Spec) (Deleter, error)

func (*FakeVolumePlugin) NewDetacher 

func (plugin *FakeVolumePlugin) NewDetacher(name string, podUID types.UID) (Detacher, error)

func (*FakeVolumePlugin) NewProvisioner 

func (plugin *FakeVolumePlugin) NewProvisioner(options VolumeOptions) (Provisioner, error)

func (*FakeVolumePlugin) NewRecycler 

func (plugin *FakeVolumePlugin) NewRecycler(spec *Spec) (Recycler, error)

type Metrics 

type Metrics struct {
	// Used represents the total bytes used by the Volume.
	// Note: For block devices this maybe more than the total size of the files.
	Used *resource.Quantity

	// Capacity represents the total capacity (bytes) of the volume's underlying storage.
	// For Volumes that share a filesystem with the host (e.g. emptydir, hostpath) this is the size
	// of the underlying storage, and will not equal Used + Available as the fs is shared.
	Capacity *resource.Quantity

	// Available represents the storage space available (bytes) for the Volume.
	// For Volumes that share a filesystem with the host (e.g. emptydir, hostpath), this is the available
	// space on the underlying storage, and is shared with host processes and other Volumes.
	Available *resource.Quantity
}

Metrics represents the used and available bytes of the Volume.

type MetricsNil 

type MetricsNil struct{}

MetricsNil represents a MetricsProvider that does not support returning Metrics. It serves as a placeholder for Volumes that do not yet support metrics.

func (*MetricsNil) GetMetrics 

func (*MetricsNil) GetMetrics() (*Metrics, error)

See MetricsProvider.GetMetrics GetMetrics returns an empty Metrics and an error.

type MetricsProvider 

type MetricsProvider interface {
	// GetMetrics returns the Metrics for the Volume.  Maybe expensive for some implementations.
	GetMetrics() (*Metrics, error)
}

MetricsProvider exposes metrics (e.g. used,available space) related to a Volume.

func NewCachedMetrics 

func NewCachedMetrics(provider MetricsProvider) MetricsProvider

NewCachedMetrics creates a new cachedMetrics wrapping another MetricsProvider and caching the results.

func NewMetricsDu 

func NewMetricsDu(path string) MetricsProvider

NewMetricsDu creates a new metricsDu with the Volume path.

type MockVolume 

type MockVolume struct {
	mock.Mock
}

func (*MockVolume) GetMetrics 

func (_m *MockVolume) GetMetrics() (*Metrics, error)

GetMetrics provides a mock function with given fields:

func (*MockVolume) GetPath 

func (_m *MockVolume) GetPath() string

GetPath provides a mock function with given fields:

type PersistentVolumePlugin 

type PersistentVolumePlugin interface {
	VolumePlugin
	// GetAccessModes describes the ways a given volume can be accessed/mounted.
	GetAccessModes() []api.PersistentVolumeAccessMode
}

PersistentVolumePlugin is an extended interface of VolumePlugin and is used by volumes that want to provide long term persistence of data

type ProvisionableVolumePlugin 

type ProvisionableVolumePlugin interface {
	VolumePlugin
	// NewProvisioner creates a new volume.Provisioner which knows how to create PersistentVolumes in accordance with
	// the plugin's underlying storage provider
	NewProvisioner(options VolumeOptions) (Provisioner, error)
}

ProvisionableVolumePlugin is an extended interface of VolumePlugin and is used to create volumes for the cluster.

type Provisioner 

type Provisioner interface {
	// Provision creates the resource by allocating the underlying volume in a storage system.
	// This method should block until completion.
	Provision(*api.PersistentVolume) error
	// NewPersistentVolumeTemplate creates a new PersistentVolume to be used as a template before saving.
	// The provisioner will want to tweak its properties, assign correct annotations, etc.
	// This func should *NOT* persist the PV in the API.  That is left to the caller.
	NewPersistentVolumeTemplate() (*api.PersistentVolume, error)
}

Provisioner is an interface that creates templates for PersistentVolumes and can create the volume as a new resource in the infrastructure provider.

type RecyclableVolumePlugin 

type RecyclableVolumePlugin interface {
	VolumePlugin
	// NewRecycler creates a new volume.Recycler which knows how to reclaim this resource
	// after the volume's release from a PersistentVolumeClaim
	NewRecycler(spec *Spec) (Recycler, error)
}

RecyclableVolumePlugin is an extended interface of VolumePlugin and is used by persistent volumes that want to be recycled before being made available again to new claims

type Recycler 

type Recycler interface {
	Volume
	// Recycle reclaims the resource.  Calls to this method should block until the recycling task is complete.
	// Any error returned indicates the volume has failed to be reclaimed.  A nil return indicates success.
	Recycle() error
}

Recycler provides methods to reclaim the volume resource.

func NewFakeRecycler 

func NewFakeRecycler(spec *Spec, host VolumeHost, config VolumeConfig) (Recycler, error)

type Spec 

type Spec struct {
	Volume           *api.Volume
	PersistentVolume *api.PersistentVolume
	ReadOnly         bool
}

Spec is an internal representation of a volume. All API volume types translate to Spec.

func NewSpecFromPersistentVolume 

func NewSpecFromPersistentVolume(pv *api.PersistentVolume, readOnly bool) *Spec

NewSpecFromPersistentVolume creates an Spec from an api.PersistentVolume

func NewSpecFromVolume 

func NewSpecFromVolume(vs *api.Volume) *Spec

NewSpecFromVolume creates an Spec from an api.Volume

func (*Spec) Name 

func (spec *Spec) Name() string

Name returns the name of either Volume or PersistentVolume, one of which must not be nil.

type Volume 

type Volume interface {
	// GetPath returns the directory path the volume is mounted to.
	GetPath() string

	// MetricsProvider embeds methods for exposing metrics (e.g. used,available space).
	MetricsProvider
}

Volume represents a directory used by pods or hosts on a node. All method implementations of methods in the volume interface must be idempotent.

type VolumeConfig 

type VolumeConfig struct {
	// RecyclerPodTemplate is pod template that understands how to scrub clean a persistent volume after its release.
	// The template is used by plugins which override specific properties of the pod in accordance with that plugin.
	// See NewPersistentVolumeRecyclerPodTemplate for the properties that are expected to be overridden.
	RecyclerPodTemplate *api.Pod

	// RecyclerMinimumTimeout is the minimum amount of time in seconds for the recycler pod's ActiveDeadlineSeconds attribute.
	// Added to the minimum timeout is the increment per Gi of capacity.
	RecyclerMinimumTimeout int

	// RecyclerTimeoutIncrement is the number of seconds added to the recycler pod's ActiveDeadlineSeconds for each
	// Gi of capacity in the persistent volume.
	// Example: 5Gi volume x 30s increment = 150s + 30s minimum = 180s ActiveDeadlineSeconds for recycler pod
	RecyclerTimeoutIncrement int

	// OtherAttributes stores config as strings.  These strings are opaque to the system and only understood by the binary
	// hosting the plugin and the plugin itself.
	OtherAttributes map[string]string
}

VolumeConfig is how volume plugins receive configuration. An instance specific to the plugin will be passed to the plugin's ProbeVolumePlugins(config) func. Reasonable defaults will be provided by the binary hosting the plugins while allowing override of those default values. Those config values are then set to an instance of VolumeConfig and passed to the plugin.

Values in VolumeConfig are intended to be relevant to several plugins, but not necessarily all plugins. The preference is to leverage strong typing in this struct. All config items must have a descriptive but non-specific name (i.e, RecyclerMinimumTimeout is OK but RecyclerMinimumTimeoutForNFS is !OK). An instance of config will be given directly to the plugin, so config names specific to plugins are unneeded and wrongly expose plugins in this VolumeConfig struct.

OtherAttributes is a map of string values intended for one-off configuration of a plugin or config that is only relevant to a single plugin. All values are passed by string and require interpretation by the plugin. Passing config as strings is the least desirable option but can be used for truly one-off configuration. The binary should still use strong typing for this value when binding CLI values before they are passed as strings in OtherAttributes.

type VolumeHost 

type VolumeHost interface {
	// GetPluginDir returns the absolute path to a directory under which
	// a given plugin may store data.  This directory might not actually
	// exist on disk yet.  For plugin data that is per-pod, see
	// GetPodPluginDir().
	GetPluginDir(pluginName string) string

	// GetPodVolumeDir returns the absolute path a directory which
	// represents the named volume under the named plugin for the given
	// pod.  If the specified pod does not exist, the result of this call
	// might not exist.
	GetPodVolumeDir(podUID types.UID, pluginName string, volumeName string) string

	// GetPodPluginDir returns the absolute path to a directory under which
	// a given plugin may store data for a given pod.  If the specified pod
	// does not exist, the result of this call might not exist.  This
	// directory might not actually exist on disk yet.
	GetPodPluginDir(podUID types.UID, pluginName string) string

	// GetKubeClient returns a client interface
	GetKubeClient() clientset.Interface

	// NewWrapperBuilder finds an appropriate plugin with which to handle
	// the provided spec.  This is used to implement volume plugins which
	// "wrap" other plugins.  For example, the "secret" volume is
	// implemented in terms of the "emptyDir" volume.
	NewWrapperBuilder(volName string, spec Spec, pod *api.Pod, opts VolumeOptions) (Builder, error)

	// NewWrapperCleaner finds an appropriate plugin with which to handle
	// the provided spec.  See comments on NewWrapperBuilder for more
	// context.
	NewWrapperCleaner(volName string, spec Spec, podUID types.UID) (Cleaner, error)

	// Get cloud provider from kubelet.
	GetCloudProvider() cloudprovider.Interface

	// Get mounter interface.
	GetMounter() mount.Interface

	// Get writer interface for writing data to disk.
	GetWriter() io.Writer

	// Returns the hostname of the host kubelet is running on
	GetHostName() string
}

VolumeHost is an interface that plugins can use to access the kubelet.

type VolumeOptions 

type VolumeOptions struct {
	// The rootcontext to use when performing mounts for a volume.
	// This is a temporary measure in order to set the rootContext of tmpfs mounts correctly.
	// it will be replaced and expanded on by future SecurityContext work.
	RootContext string

	// Capacity is the size of a volume.
	Capacity resource.Quantity
	// AccessModes of a volume
	AccessModes []api.PersistentVolumeAccessMode
	// Reclamation policy for a persistent volume
	PersistentVolumeReclaimPolicy api.PersistentVolumeReclaimPolicy
	// PV.Name of the appropriate PersistentVolume. Used to generate cloud volume name.
	PVName string
	// Unique name of Kubernetes cluster.
	ClusterName string
	// Tags to attach to the real volume in the cloud provider - e.g. AWS EBS
	CloudTags *map[string]string
}

VolumeOptions contains option information about a volume.

type VolumePlugin 

type VolumePlugin interface {
	// Init initializes the plugin.  This will be called exactly once
	// before any New* calls are made - implementations of plugins may
	// depend on this.
	Init(host VolumeHost) error

	// Name returns the plugin's name.  Plugins should use namespaced names
	// such as "example.com/volume".  The "kubernetes.io" namespace is
	// reserved for plugins which are bundled with kubernetes.
	Name() string

	// CanSupport tests whether the plugin supports a given volume
	// specification from the API.  The spec pointer should be considered
	// const.
	CanSupport(spec *Spec) bool

	// NewBuilder creates a new volume.Builder from an API specification.
	// Ownership of the spec pointer in *not* transferred.
	// - spec: The api.Volume spec
	// - pod: The enclosing pod
	NewBuilder(spec *Spec, podRef *api.Pod, opts VolumeOptions) (Builder, error)

	// NewCleaner creates a new volume.Cleaner from recoverable state.
	// - name: The volume name, as per the api.Volume spec.
	// - podUID: The UID of the enclosing pod
	NewCleaner(name string, podUID types.UID) (Cleaner, error)
}

VolumePlugin is an interface to volume plugins that can be used on a kubernetes node (e.g. by kubelet) to instantiate and manage volumes.

func ProbeVolumePlugins 

func ProbeVolumePlugins(config VolumeConfig) []VolumePlugin

type VolumePluginMgr 

type VolumePluginMgr struct {
	// contains filtered or unexported fields
}

VolumePluginMgr tracks registered plugins.

func (*VolumePluginMgr) FindAttachablePluginByName 

func (pm *VolumePluginMgr) FindAttachablePluginByName(name string) (AttachableVolumePlugin, error)

FindAttachablePluginByName fetches an attachable volume plugin by name. Unlike the other "FindPlugin" methods, this does not return error if no plugin is found. All volumes require a builder and cleaner, but not every volume will have an attacher/detacher.

func (*VolumePluginMgr) FindAttachablePluginBySpec 

func (pm *VolumePluginMgr) FindAttachablePluginBySpec(spec *Spec) (AttachableVolumePlugin, error)

FindAttachablePluginBySpec fetches a persistent volume plugin by name. Unlike the other "FindPlugin" methods, this does not return error if no plugin is found. All volumes require a builder and cleaner, but not every volume will have an attacher/detacher.

func (*VolumePluginMgr) FindCreatablePluginBySpec 

func (pm *VolumePluginMgr) FindCreatablePluginBySpec(spec *Spec) (ProvisionableVolumePlugin, error)

FindCreatablePluginBySpec fetches a persistent volume plugin by name. If no plugin is found, returns error.

func (*VolumePluginMgr) FindDeletablePluginBySpec 

func (pm *VolumePluginMgr) FindDeletablePluginBySpec(spec *Spec) (DeletableVolumePlugin, error)

FindDeletablePluginByName fetches a persistent volume plugin by name. If no plugin is found, returns error.

func (*VolumePluginMgr) FindPersistentPluginByName 

func (pm *VolumePluginMgr) FindPersistentPluginByName(name string) (PersistentVolumePlugin, error)

FindPersistentPluginByName fetches a persistent volume plugin by name. If no plugin is found, returns error.

func (*VolumePluginMgr) FindPersistentPluginBySpec 

func (pm *VolumePluginMgr) FindPersistentPluginBySpec(spec *Spec) (PersistentVolumePlugin, error)

FindPersistentPluginBySpec looks for a persistent volume plugin that can support a given volume specification. If no plugin is found, return an error

func (*VolumePluginMgr) FindPluginByName 

func (pm *VolumePluginMgr) FindPluginByName(name string) (VolumePlugin, error)

FindPluginByName fetches a plugin by name or by legacy name. If no plugin is found, returns error.

func (*VolumePluginMgr) FindPluginBySpec 

func (pm *VolumePluginMgr) FindPluginBySpec(spec *Spec) (VolumePlugin, error)

FindPluginBySpec looks for a plugin that can support a given volume specification. If no plugins can support or more than one plugin can support it, return error.

func (*VolumePluginMgr) FindRecyclablePluginBySpec 

func (pm *VolumePluginMgr) FindRecyclablePluginBySpec(spec *Spec) (RecyclableVolumePlugin, error)

FindRecyclablePluginByName fetches a persistent volume plugin by name. If no plugin is found, returns error.

func (*VolumePluginMgr) InitPlugins 

func (pm *VolumePluginMgr) InitPlugins(plugins []VolumePlugin, host VolumeHost) error

InitPlugins initializes each plugin. All plugins must have unique names. This must be called exactly once before any New* methods are called on any plugins.

Source Files

View all Source files

Directories

Path Synopsis
Package aws_ebs contains the internal representation of AWS Elastic Block Store volumes.
 Package aws_ebs contains the internal representation of AWS Elastic Block Store volumes.
Package azure_file contains the internal representation of Azure File Service Volume
 Package azure_file contains the internal representation of Azure File Service Volume
Package nfs contains the internal representation of Ceph file system (CephFS) volumes.
 Package nfs contains the internal representation of Ceph file system (CephFS) volumes.
Package cinder contains the internal representation of cinder volumes.
 Package cinder contains the internal representation of cinder volumes.
Package configmap contains the internal representation of configMap volumes.
 Package configmap contains the internal representation of configMap volumes.
Package empty_dir contains the internal representation of emptyDir volumes.
 Package empty_dir contains the internal representation of emptyDir volumes.
Package fc contains the internal representation of Fibre Channel (fc) volumes.
 Package fc contains the internal representation of Fibre Channel (fc) volumes.
Package flocker contains the internal representation of Flocker volumes
 Package flocker contains the internal representation of Flocker volumes
Package gce_pd contains the internal representation of GCE PersistentDisk volumes.
 Package gce_pd contains the internal representation of GCE PersistentDisk volumes.
Package git_repo contains the internal representation of git repo volumes.
 Package git_repo contains the internal representation of git repo volumes.
Package glusterfs contains the internal representation of glusterfs volumes.
 Package glusterfs contains the internal representation of glusterfs volumes.
Package host_path contains the internal representation of hostPath volumes.
 Package host_path contains the internal representation of hostPath volumes.
Package iscsi contains the internal representation of Internet Small Computer System Interface (iSCSI) volumes.
 Package iscsi contains the internal representation of Internet Small Computer System Interface (iSCSI) volumes.
Package nfs contains the internal representation of network file system (NFS) volumes.
 Package nfs contains the internal representation of network file system (NFS) volumes.
Package persistent_claim contains the internal representation of persistent volume claims.
 Package persistent_claim contains the internal representation of persistent volume claims.
Package rbd contains the internal representation of Rados Block Store (Ceph) volumes.
 Package rbd contains the internal representation of Rados Block Store (Ceph) volumes.
Package secret contains the internal representation of secret volumes.
 Package secret contains the internal representation of secret volumes.
Contains utility code for use by volume plugins.
 Contains utility code for use by volume plugins.

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