store

package
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Published: Nov 12, 2015 License: Apache-2.0 Imports: 5 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source
var (
	// ErrVolumeInUse is a typed error returned when trying to remove a volume that is currently in use by a container
	ErrVolumeInUse = errors.New("volume is in use")
	// ErrNoSuchVolume is a typed error returned if the requested volume doesn't exist in the volume store
	ErrNoSuchVolume = errors.New("no such volume")
)

Functions

This section is empty.

Types

type VolumeStore

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

VolumeStore is a struct that stores the list of volumes available and keeps track of their usage counts

func New

func New() *VolumeStore

New initializes a VolumeStore to keep reference counting of volumes in the system.

func (*VolumeStore) AddAll

func (s *VolumeStore) AddAll(vols []volume.Volume)

AddAll adds a list of volumes to the store

func (*VolumeStore) Count

func (s *VolumeStore) Count(v volume.Volume) uint

Count returns the usage count of the passed in volume

func (*VolumeStore) Create

func (s *VolumeStore) Create(name, driverName string, opts map[string]string) (volume.Volume, error)

Create tries to find an existing volume with the given name or create a new one from the passed in driver

func (*VolumeStore) Decrement

func (s *VolumeStore) Decrement(v volume.Volume)

Decrement decrements the usage count of the passed in volume by 1

func (*VolumeStore) FilterByDriver

func (s *VolumeStore) FilterByDriver(name string) []volume.Volume

FilterByDriver returns the available volumes filtered by driver name

func (*VolumeStore) Get

func (s *VolumeStore) Get(name string) (volume.Volume, error)

Get looks if a volume with the given name exists and returns it if so

func (*VolumeStore) Increment

func (s *VolumeStore) Increment(v volume.Volume)

Increment increments the usage count of the passed in volume by 1

func (*VolumeStore) List

func (s *VolumeStore) List() []volume.Volume

List returns all the available volumes

func (*VolumeStore) Remove

func (s *VolumeStore) Remove(v volume.Volume) error

Remove removes the requested volume. A volume is not removed if the usage count is > 0

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