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e563f41116
This will require a 'podman system renumber' after being applied to get lock numbers for existing volumes. Add the DB backend code for rewriting volume configs and use it for updating lock numbers as part of 'system renumber'. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
110 lines
3.0 KiB
Go
110 lines
3.0 KiB
Go
package libpod
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import (
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"time"
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"github.com/containers/libpod/libpod/lock"
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)
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// Volume is the type used to create named volumes
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// TODO: all volumes should be created using this and the Volume API
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type Volume struct {
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config *VolumeConfig
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valid bool
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runtime *Runtime
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lock lock.Locker
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}
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// VolumeConfig holds the volume's config information
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type VolumeConfig struct {
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// Name of the volume.
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Name string `json:"name"`
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// ID of the volume's lock.
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LockID uint32 `json:"lockID"`
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// Labels for the volume.
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Labels map[string]string `json:"labels"`
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// The volume driver. Empty string or local does not activate a volume
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// driver, all other volumes will.
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Driver string `json:"driver"`
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// The location the volume is mounted at.
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MountPoint string `json:"mountPoint"`
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// Time the volume was created.
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CreatedTime time.Time `json:"createdAt,omitempty"`
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// Options to pass to the volume driver. For the local driver, this is
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// a list of mount options. For other drivers, they are passed to the
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// volume driver handling the volume.
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Options map[string]string `json:"options"`
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// Whether this volume was created for a specific container and will be
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// removed with it.
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IsCtrSpecific bool `json:"ctrSpecific"`
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// UID the volume will be created as.
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UID int `json:"uid"`
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// GID the volume will be created as.
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GID int `json:"gid"`
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}
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// Name retrieves the volume's name
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func (v *Volume) Name() string {
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return v.config.Name
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}
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// Driver retrieves the volume's driver.
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func (v *Volume) Driver() string {
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return v.config.Driver
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}
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// Scope retrieves the volume's scope.
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// Libpod does not implement volume scoping, and this is provided solely for
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// Docker compatibility. It returns only "local".
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func (v *Volume) Scope() string {
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return "local"
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}
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// Labels returns the volume's labels
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func (v *Volume) Labels() map[string]string {
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labels := make(map[string]string)
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for key, value := range v.config.Labels {
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labels[key] = value
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}
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return labels
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}
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// MountPoint returns the volume's mountpoint on the host
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func (v *Volume) MountPoint() string {
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return v.config.MountPoint
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}
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// Options return the volume's options
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func (v *Volume) Options() map[string]string {
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options := make(map[string]string)
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for key, value := range v.config.Options {
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options[key] = value
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}
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return options
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}
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// IsCtrSpecific returns whether this volume was created specifically for a
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// given container. Images with this set to true will be removed when the
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// container is removed with the Volumes parameter set to true.
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func (v *Volume) IsCtrSpecific() bool {
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return v.config.IsCtrSpecific
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}
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// UID returns the UID the volume will be created as.
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func (v *Volume) UID() int {
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return v.config.UID
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}
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// GID returns the GID the volume will be created as.
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func (v *Volume) GID() int {
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return v.config.GID
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}
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// CreatedTime returns the time the volume was created at. It was not tracked
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// for some time, so older volumes may not contain one.
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func (v *Volume) CreatedTime() time.Time {
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return v.config.CreatedTime
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}
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