Vendor latest container/storage to fix overlay mountopt

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

Closes: #1160
Approved by: mheon
This commit is contained in:
Daniel J Walsh
2018-07-25 17:51:31 -04:00
committed by Atomic Bot
parent 73e3945282
commit 9c806a4a3e
4 changed files with 14 additions and 13 deletions

View File

@@ -706,8 +706,11 @@ func (d *Driver) Get(id, mountLabel string) (_ string, retErr error) {
workDir := path.Join(dir, "work")
opts := fmt.Sprintf("lowerdir=%s,upperdir=%s,workdir=%s", strings.Join(absLowers, ":"), diffDir, workDir)
if d.options.mountOptions != "" {
opts = fmt.Sprintf("%s,%s", d.options.mountOptions, opts)
}
mountData := label.FormatMountLabel(opts, mountLabel)
mount := unix.Mount
mountFunc := unix.Mount
mountTarget := mergedDir
pageSize := unix.Getpagesize()
@@ -719,28 +722,26 @@ func (d *Driver) Get(id, mountLabel string) (_ string, retErr error) {
if len(mountData) > pageSize || d.options.mountProgram != "" {
//FIXME: We need to figure out to get this to work with additional stores
opts = fmt.Sprintf("lowerdir=%s,upperdir=%s,workdir=%s", strings.Join(relLowers, ":"), path.Join(id, "diff"), path.Join(id, "work"))
if d.options.mountOptions != "" {
opts = fmt.Sprintf("%s,%s", d.options.mountOptions, opts)
}
mountData = label.FormatMountLabel(opts, mountLabel)
if len(mountData) > pageSize {
return "", fmt.Errorf("cannot mount layer, mount label too large %d", len(mountData))
}
if d.options.mountProgram != "" {
mount = func(source string, target string, mType string, flags uintptr, label string) error {
mountFunc = func(source string, target string, mType string, flags uintptr, label string) error {
mountProgram := exec.Command(d.options.mountProgram, "-o", label, target)
mountProgram.Dir = d.home
return mountProgram.Run()
}
} else {
mount = func(source string, target string, mType string, flags uintptr, label string) error {
mountFunc = func(source string, target string, mType string, flags uintptr, label string) error {
return mountFrom(d.home, source, target, mType, flags, label)
}
}
mountTarget = path.Join(id, "merged")
}
if err := mount("overlay", mountTarget, "overlay", 0, mountData); err != nil {
flags, data := mount.ParseOptions(mountData)
if err := mountFunc("overlay", mountTarget, "overlay", uintptr(flags), data); err != nil {
return "", fmt.Errorf("error creating overlay mount to %s: %v", mountTarget, err)
}