b05b237075
Allows users to submit options similar to the `mount` command when creating a volume with the `local` volume driver. For example: ```go $ docker volume create -d local --opt type=nfs --opt device=myNfsServer:/data --opt o=noatime,nosuid ``` Signed-off-by: Brian Goff <cpuguy83@gmail.com>
69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
// +build linux freebsd
|
|
|
|
// Package local provides the default implementation for volumes. It
|
|
// is used to mount data volume containers and directories local to
|
|
// the host server.
|
|
package local
|
|
|
|
import (
|
|
"fmt"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/docker/docker/pkg/mount"
|
|
)
|
|
|
|
var (
|
|
oldVfsDir = filepath.Join("vfs", "dir")
|
|
|
|
validOpts = map[string]bool{
|
|
"type": true, // specify the filesystem type for mount, e.g. nfs
|
|
"o": true, // generic mount options
|
|
"device": true, // device to mount from
|
|
}
|
|
)
|
|
|
|
type optsConfig struct {
|
|
MountType string
|
|
MountOpts string
|
|
MountDevice string
|
|
}
|
|
|
|
// scopedPath verifies that the path where the volume is located
|
|
// is under Docker's root and the valid local paths.
|
|
func (r *Root) scopedPath(realPath string) bool {
|
|
// Volumes path for Docker version >= 1.7
|
|
if strings.HasPrefix(realPath, filepath.Join(r.scope, volumesPathName)) && realPath != filepath.Join(r.scope, volumesPathName) {
|
|
return true
|
|
}
|
|
|
|
// Volumes path for Docker version < 1.7
|
|
if strings.HasPrefix(realPath, filepath.Join(r.scope, oldVfsDir)) {
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func setOpts(v *localVolume, opts map[string]string) error {
|
|
if len(opts) == 0 {
|
|
return nil
|
|
}
|
|
if err := validateOpts(opts); err != nil {
|
|
return err
|
|
}
|
|
|
|
v.opts = &optsConfig{
|
|
MountType: opts["type"],
|
|
MountOpts: opts["o"],
|
|
MountDevice: opts["device"],
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (v *localVolume) mount() error {
|
|
if v.opts.MountDevice == "" {
|
|
return fmt.Errorf("missing device in volume options")
|
|
}
|
|
return mount.Mount(v.opts.MountDevice, v.path, v.opts.MountType, v.opts.MountOpts)
|
|
}
|