quota

Documentation

Index

• Constants
• type Control
  • func NewControl(basePath string) (*Control, error)
  • func (q *Control) ClearQuota(targetPath string)
  • func (q *Control) GetDiskUsage(targetPath string, usage *directory.DiskUsage) error
  • func (q *Control) GetQuota(targetPath string, quota *Quota) error
  • func (q *Control) SetQuota(targetPath string, quota Quota) error
• type Quota

Constants

const BackingFsBlockDeviceLink = "backingFsBlockDev"

BackingFsBlockDeviceLink is the name of a file that we place in the home directory of a driver that uses this package.

Types

type Control

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

Control - Context to be used by storage driver (e.g. overlay) who wants to apply project quotas to container dirs

func NewControl

func NewControl(basePath string) (*Control, error)

Then try to create a test directory with the next project id and set a quota on it. If that works, continue to scan existing containers to map allocated project ids.

func (*Control) ClearQuota

func (q *Control) ClearQuota(targetPath string)

ClearQuota removes the map entry in the quotas map for targetPath. It does so to prevent the map leaking entries as directories are deleted.

func (*Control) GetDiskUsage

func (q *Control) GetDiskUsage(targetPath string, usage *directory.DiskUsage) error

GetDiskUsage - get the current disk usage of a directory that was configured with SetQuota

func (*Control) GetQuota

func (q *Control) GetQuota(targetPath string, quota *Quota) error

GetQuota - get the quota limits of a directory that was configured with SetQuota

func (*Control) SetQuota

func (q *Control) SetQuota(targetPath string, quota Quota) error

SetQuota - assign a unique project id to directory and set the quota limits for that project id

type Quota

type Quota struct {
	Size   uint64
	Inodes uint64
}

Quota limit params - currently we only control blocks hard limit and inodes