1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/daemon/volumes_linux.go
David Calavera 81fa9feb0c Volumes refactor and external plugin implementation.
Signed by all authors:

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Signed-off-by: Arnaud Porterie <arnaud.porterie@docker.com>
Signed-off-by: David Calavera <david.calavera@gmail.com>
Signed-off-by: Jeff Lindsay <progrium@gmail.com>
Signed-off-by: Alexander Morozov <lk4d4@docker.com>
Signed-off-by: Luke Marsden <luke@clusterhq.com>
Signed-off-by: David Calavera <david.calavera@gmail.com>
2015-05-21 20:34:17 -07:00

70 lines
1.4 KiB
Go

// +build !windows
package daemon
import (
"os"
"path/filepath"
"sort"
"strings"
"github.com/docker/docker/daemon/execdriver"
"github.com/docker/docker/pkg/system"
)
// copyOwnership copies the permissions and uid:gid of the source file
// into the destination file
func copyOwnership(source, destination string) error {
stat, err := system.Stat(source)
if err != nil {
return err
}
if err := os.Chown(destination, int(stat.Uid()), int(stat.Gid())); err != nil {
return err
}
return os.Chmod(destination, os.FileMode(stat.Mode()))
}
func (container *Container) setupMounts() ([]execdriver.Mount, error) {
var mounts []execdriver.Mount
for _, m := range container.MountPoints {
path, err := m.Setup()
if err != nil {
return nil, err
}
mounts = append(mounts, execdriver.Mount{
Source: path,
Destination: m.Destination,
Writable: m.RW,
})
}
mounts = sortMounts(mounts)
return append(mounts, container.networkMounts()...), nil
}
func sortMounts(m []execdriver.Mount) []execdriver.Mount {
sort.Sort(mounts(m))
return m
}
type mounts []execdriver.Mount
func (m mounts) Len() int {
return len(m)
}
func (m mounts) Less(i, j int) bool {
return m.parts(i) < m.parts(j)
}
func (m mounts) Swap(i, j int) {
m[i], m[j] = m[j], m[i]
}
func (m mounts) parts(i int) int {
return len(strings.Split(filepath.Clean(m[i].Destination), string(os.PathSeparator)))
}