Vendor in latest containers/storage

This vendor will improve the performance of using userns
since it will save aside the image layer of the chown, so
followup runnings of podman will use the new layer rather
then chowning again.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

Closes: #881
Approved by: mheon
This commit is contained in:
Daniel J Walsh
2018-06-02 05:34:11 -04:00
committed by Atomic Bot
parent 22e6f11641
commit 13f745092f
18 changed files with 811 additions and 92 deletions

View File

@ -6,7 +6,6 @@ import (
"fmt"
"os"
"path/filepath"
"syscall"
"github.com/containers/storage/pkg/idtools"
"github.com/containers/storage/pkg/reexec"
@ -56,47 +55,7 @@ func chownByMapsMain() {
if err != nil {
return fmt.Errorf("error walking to %q: %v", path, err)
}
sysinfo := info.Sys()
if st, ok := sysinfo.(*syscall.Stat_t); ok {
// Map an on-disk UID/GID pair from host to container
// using the first map, then back to the host using the
// second map. Skip that first step if they're 0, to
// compensate for cases where a parent layer should
// have had a mapped value, but didn't.
uid, gid := int(st.Uid), int(st.Gid)
if toContainer != nil {
pair := idtools.IDPair{
UID: uid,
GID: gid,
}
mappedUid, mappedGid, err := toContainer.ToContainer(pair)
if err != nil {
if (uid != 0) || (gid != 0) {
return fmt.Errorf("error mapping host ID pair %#v for %q to container: %v", pair, path, err)
}
mappedUid, mappedGid = uid, gid
}
uid, gid = mappedUid, mappedGid
}
if toHost != nil {
pair := idtools.IDPair{
UID: uid,
GID: gid,
}
mappedPair, err := toHost.ToHost(pair)
if err != nil {
return fmt.Errorf("error mapping container ID pair %#v for %q to host: %v", pair, path, err)
}
uid, gid = mappedPair.UID, mappedPair.GID
}
if uid != int(st.Uid) || gid != int(st.Gid) {
// Make the change.
if err := syscall.Lchown(path, uid, gid); err != nil {
return fmt.Errorf("%s: chown(%q): %v", os.Args[0], path, err)
}
}
}
return nil
return platformLChown(path, info, toHost, toContainer)
}
if err := filepath.Walk(".", chown); err != nil {
fmt.Fprintf(os.Stderr, "error during chown: %v", err)