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Vendor in container storage

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This should add quota support to cri-o

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
This commit is contained in:
Daniel J Walsh 2017-09-26 19:58:51 +00:00
parent e838611fdd
commit 29bd1c79dd
52 changed files with 2751 additions and 1881 deletions
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42
vendor/github.com/containers/storage/drivers/zfs/zfs.go generated vendored
View file

@ -10,7 +10,6 @@ import (
"strconv"
"strings"
"sync"
"syscall"
"time"
"github.com/containers/storage/drivers"
@ -21,6 +20,7 @@ import (
"github.com/opencontainers/selinux/go-selinux/label"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"golang.org/x/sys/unix"
)
type zfsOptions struct {
@ -100,6 +100,14 @@ func Init(base string, opt []string, uidMaps, gidMaps []idtools.IDMap) (graphdri
return nil, fmt.Errorf("BUG: zfs get all -t filesystem -rHp '%s' should contain '%s'", options.fsName, options.fsName)
}
rootUID, rootGID, err := idtools.GetRootUIDGID(uidMaps, gidMaps)
if err != nil {
return nil, fmt.Errorf("Failed to get root uid/guid: %v", err)
}
if err := idtools.MkdirAllAs(base, 0700, rootUID, rootGID); err != nil {
return nil, fmt.Errorf("Failed to create '%s': %v", base, err)
}
if err := mount.MakePrivate(base); err != nil {
return nil, err
}
@ -134,8 +142,8 @@ func parseOptions(opt []string) (zfsOptions, error) {
}
func lookupZfsDataset(rootdir string) (string, error) {
var stat syscall.Stat_t
if err := syscall.Stat(rootdir, &stat); err != nil {
var stat unix.Stat_t
if err := unix.Stat(rootdir, &stat); err != nil {
return "", fmt.Errorf("Failed to access '%s': %s", rootdir, err)
}
wantedDev := stat.Dev
@ -145,7 +153,7 @@ func lookupZfsDataset(rootdir string) (string, error) {
return "", err
}
for _, m := range mounts {
if err := syscall.Stat(m.Mountpoint, &stat); err != nil {
if err := unix.Stat(m.Mountpoint, &stat); err != nil {
logrus.Debugf("[zfs] failed to stat '%s' while scanning for zfs mount: %v", m.Mountpoint, err)
continue // may fail on fuse file systems
}
@ -213,7 +221,10 @@ func (d *Driver) Status() [][2]string {
// Metadata returns image/container metadata related to graph driver
func (d *Driver) Metadata(id string) (map[string]string, error) {
return nil, nil
return map[string]string{
"Mountpoint": d.mountPath(id),
"Dataset": d.zfsPath(id),
}, nil
}
func (d *Driver) cloneFilesystem(name, parentName string) error {
@ -248,12 +259,17 @@ func (d *Driver) mountPath(id string) string {
// CreateReadWrite creates a layer that is writable for use as a container
// file system.
func (d *Driver) CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error {
return d.Create(id, parent, mountLabel, storageOpt)
func (d *Driver) CreateReadWrite(id, parent string, opts *graphdriver.CreateOpts) error {
return d.Create(id, parent, opts)
}
// Create prepares the dataset and filesystem for the ZFS driver for the given id under the parent.
func (d *Driver) Create(id string, parent string, mountLabel string, storageOpt map[string]string) error {
func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) error {
var storageOpt map[string]string
if opts != nil {
storageOpt = opts.StorageOpt
}
err := d.create(id, parent, storageOpt)
if err == nil {
return nil
@ -391,22 +407,20 @@ func (d *Driver) Put(id string) error {
logrus.Debugf(`[zfs] unmount("%s")`, mountpoint)
err = mount.Unmount(mountpoint)
if err != nil {
if err := mount.Unmount(mountpoint); err != nil {
return fmt.Errorf("error unmounting to %s: %v", mountpoint, err)
}
return err
return nil
}
// Exists checks to see if the cache entry exists for the given id.
func (d *Driver) Exists(id string) bool {
d.Lock()
defer d.Unlock()
return d.filesystemsCache[d.zfsPath(id)] == true
return d.filesystemsCache[d.zfsPath(id)]
}
// AdditionalImageStores returns additional image stores supported by the driver
func (d *Driver) AdditionalImageStores() []string {
var imageStores []string
return imageStores
return nil
}