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package libpod
import (
"time"
"github.com/containers/libpod/libpod/lock"
)
// Volume is the type used to create named volumes
// TODO: all volumes should be created using this and the Volume API
type Volume struct {
config *VolumeConfig
valid bool
runtime *Runtime
lock lock.Locker
}
// VolumeConfig holds the volume's config information
type VolumeConfig struct {
// Name of the volume.
Name string `json:"name"`
// ID of the volume's lock.
LockID uint32 `json:"lockID"`
// Labels for the volume.
Labels map[string]string `json:"labels"`
// The volume driver. Empty string or local does not activate a volume
// driver, all other volumes will.
Driver string `json:"volumeDriver"`
// The location the volume is mounted at.
MountPoint string `json:"mountPoint"`
// Time the volume was created.
CreatedTime time.Time `json:"createdAt,omitempty"`
// Options to pass to the volume driver. For the local driver, this is
// a list of mount options. For other drivers, they are passed to the
// volume driver handling the volume.
Options map[string]string `json:"volumeOptions"`
// Whether this volume was created for a specific container and will be
// removed with it.
IsCtrSpecific bool `json:"ctrSpecific"`
// UID the volume will be created as.
UID int `json:"uid"`
// GID the volume will be created as.
GID int `json:"gid"`
}
// Name retrieves the volume's name
func (v *Volume) Name() string {
return v.config.Name
}
// Driver retrieves the volume's driver.
func (v *Volume) Driver() string {
return v.config.Driver
}
// Scope retrieves the volume's scope.
// Libpod does not implement volume scoping, and this is provided solely for
// Docker compatibility. It returns only "local".
func (v *Volume) Scope() string {
return "local"
}
// Labels returns the volume's labels
func (v *Volume) Labels() map[string]string {
labels := make(map[string]string)
for key, value := range v.config.Labels {
labels[key] = value
}
return labels
}
// MountPoint returns the volume's mountpoint on the host
func (v *Volume) MountPoint() string {
return v.config.MountPoint
}
// Options return the volume's options
func (v *Volume) Options() map[string]string {
options := make(map[string]string)
for key, value := range v.config.Options {
options[key] = value
}
return options
}
// IsCtrSpecific returns whether this volume was created specifically for a
// given container. Images with this set to true will be removed when the
// container is removed with the Volumes parameter set to true.
func (v *Volume) IsCtrSpecific() bool {
return v.config.IsCtrSpecific
}
// UID returns the UID the volume will be created as.
func (v *Volume) UID() int {
return v.config.UID
}
// GID returns the GID the volume will be created as.
func (v *Volume) GID() int {
return v.config.GID
}
// CreatedTime returns the time the volume was created at. It was not tracked
// for some time, so older volumes may not contain one.
func (v *Volume) CreatedTime() time.Time {
return v.config.CreatedTime
}
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