diff options
7 files changed, 51 insertions, 97 deletions
diff --git a/vendor.conf b/vendor.conf index b6c58165c..476150a53 100644 --- a/vendor.conf +++ b/vendor.conf @@ -16,7 +16,7 @@ github.com/containerd/continuity 004b46473808b3e7a4a3049c20e4376c91eb966d github.com/containernetworking/cni v0.7.0-alpha1 github.com/containernetworking/plugins v0.7.4 github.com/containers/image v1.3 -github.com/containers/storage v1.4 +github.com/containers/storage v1.6 github.com/containers/psgo v1.1 github.com/coreos/go-systemd v14 github.com/cri-o/ocicni 2d2983e40c242322a56c22a903785e7f83eb378c diff --git a/vendor/github.com/containers/storage/drivers/overlay/overlay.go b/vendor/github.com/containers/storage/drivers/overlay/overlay.go index 2455b6736..06d58db38 100644 --- a/vendor/github.com/containers/storage/drivers/overlay/overlay.go +++ b/vendor/github.com/containers/storage/drivers/overlay/overlay.go @@ -793,6 +793,7 @@ func (d *Driver) get(id string, disableShifting bool, options graphdriver.MountO mountTarget = path.Join(id, "merged") } flags, data := mount.ParseOptions(mountData) + logrus.Debugf("overlay: mount_data=%s", mountData) if err := mountFunc("overlay", mountTarget, "overlay", uintptr(flags), data); err != nil { return "", fmt.Errorf("error creating overlay mount to %s: %v", mountTarget, err) } @@ -986,6 +987,7 @@ func (d *Driver) UpdateLayerIDMap(id string, toContainer, toHost *idtools.IDMapp // Mount the new layer and handle ownership changes and possible copy_ups in it. options := graphdriver.MountOpts{ MountLabel: mountLabel, + Options: strings.Split(d.options.mountOptions, ","), } layerFs, err := d.get(id, true, options) if err != nil { diff --git a/vendor/github.com/containers/storage/drivers/zfs/zfs.go b/vendor/github.com/containers/storage/drivers/zfs/zfs.go index c3ce6e869..69b143c54 100644 --- a/vendor/github.com/containers/storage/drivers/zfs/zfs.go +++ b/vendor/github.com/containers/storage/drivers/zfs/zfs.go @@ -1,4 +1,4 @@ -// +build linux freebsd solaris +// +build linux freebsd package zfs @@ -16,7 +16,7 @@ import ( "github.com/containers/storage/pkg/idtools" "github.com/containers/storage/pkg/mount" "github.com/containers/storage/pkg/parsers" - zfs "github.com/mistifyio/go-zfs" + "github.com/mistifyio/go-zfs" "github.com/opencontainers/selinux/go-selinux/label" "github.com/pkg/errors" "github.com/sirupsen/logrus" @@ -38,7 +38,7 @@ type Logger struct{} // Log wraps log message from ZFS driver with a prefix '[zfs]'. func (*Logger) Log(cmd []string) { - logrus.Debugf("[zfs] %s", strings.Join(cmd, " ")) + logrus.WithField("storage-driver", "zfs").Debugf("%s", strings.Join(cmd, " ")) } // Init returns a new ZFS driver. @@ -47,14 +47,16 @@ func (*Logger) Log(cmd []string) { func Init(base string, opt []string, uidMaps, gidMaps []idtools.IDMap) (graphdriver.Driver, error) { var err error + logger := logrus.WithField("storage-driver", "zfs") + if _, err := exec.LookPath("zfs"); err != nil { - logrus.Debugf("[zfs] zfs command is not available: %v", err) + logger.Debugf("zfs command is not available: %v", err) return nil, errors.Wrap(graphdriver.ErrPrerequisites, "the 'zfs' command is not available") } file, err := os.OpenFile("/dev/zfs", os.O_RDWR, 0600) if err != nil { - logrus.Debugf("[zfs] cannot open /dev/zfs: %v", err) + logger.Debugf("cannot open /dev/zfs: %v", err) return nil, errors.Wrapf(graphdriver.ErrPrerequisites, "could not open /dev/zfs: %v", err) } defer file.Close() @@ -109,9 +111,6 @@ func Init(base string, opt []string, uidMaps, gidMaps []idtools.IDMap) (graphdri return nil, fmt.Errorf("Failed to create '%s': %v", base, err) } - if err := mount.MakePrivate(base); err != nil { - return nil, err - } d := &Driver{ dataset: rootDataset, options: options, @@ -157,7 +156,7 @@ func lookupZfsDataset(rootdir string) (string, error) { } for _, m := range mounts { 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) + logrus.WithField("storage-driver", "zfs").Debugf("failed to stat '%s' while scanning for zfs mount: %v", m.Mountpoint, err) continue // may fail on fuse file systems } @@ -184,7 +183,7 @@ func (d *Driver) String() string { return "zfs" } -// Cleanup is used to implement graphdriver.ProtoDriver. There is no cleanup required for this driver. +// Cleanup is called on when program exits, it is a no-op for ZFS. func (d *Driver) Cleanup() error { return nil } @@ -360,11 +359,25 @@ func (d *Driver) Remove(id string) error { } // Get returns the mountpoint for the given id after creating the target directories if necessary. -func (d *Driver) Get(id string, options graphdriver.MountOpts) (string, error) { +func (d *Driver) Get(id string, options graphdriver.MountOpts) (_ string, retErr error) { + mountpoint := d.mountPath(id) if count := d.ctr.Increment(mountpoint); count > 1 { return mountpoint, nil } + defer func() { + if retErr != nil { + if c := d.ctr.Decrement(mountpoint); c <= 0 { + if mntErr := unix.Unmount(mountpoint, 0); mntErr != nil { + logrus.WithField("storage-driver", "zfs").Errorf("Error unmounting %v: %v", mountpoint, mntErr) + } + if rmErr := unix.Rmdir(mountpoint); rmErr != nil && !os.IsNotExist(rmErr) { + logrus.WithField("storage-driver", "zfs").Debugf("Failed to remove %s: %v", id, rmErr) + } + + } + } + }() mountOptions := d.options.mountOptions if len(options.Options) > 0 { @@ -373,29 +386,24 @@ func (d *Driver) Get(id string, options graphdriver.MountOpts) (string, error) { filesystem := d.zfsPath(id) opts := label.FormatMountLabel(mountOptions, options.MountLabel) - logrus.Debugf(`[zfs] mount("%s", "%s", "%s")`, filesystem, mountpoint, opts) + logrus.WithField("storage-driver", "zfs").Debugf(`mount("%s", "%s", "%s")`, filesystem, mountpoint, opts) rootUID, rootGID, err := idtools.GetRootUIDGID(d.uidMaps, d.gidMaps) if err != nil { - d.ctr.Decrement(mountpoint) return "", err } // Create the target directories if they don't exist if err := idtools.MkdirAllAs(mountpoint, 0755, rootUID, rootGID); err != nil { - d.ctr.Decrement(mountpoint) return "", err } if err := mount.Mount(filesystem, mountpoint, "zfs", opts); err != nil { - d.ctr.Decrement(mountpoint) - return "", fmt.Errorf("error creating zfs mount of %s to %s: %v", filesystem, mountpoint, err) + return "", errors.Wrap(err, "error creating zfs mount") } // this could be our first mount after creation of the filesystem, and the root dir may still have root // permissions instead of the remapped root uid:gid (if user namespaces are enabled): if err := os.Chown(mountpoint, rootUID, rootGID); err != nil { - mount.Unmount(mountpoint) - d.ctr.Decrement(mountpoint) return "", fmt.Errorf("error modifying zfs mountpoint (%s) directory ownership: %v", mountpoint, err) } @@ -408,16 +416,18 @@ func (d *Driver) Put(id string) error { if count := d.ctr.Decrement(mountpoint); count > 0 { return nil } - mounted, err := graphdriver.Mounted(graphdriver.FsMagicZfs, mountpoint) - if err != nil || !mounted { - return err - } - logrus.Debugf(`[zfs] unmount("%s")`, mountpoint) + logger := logrus.WithField("storage-driver", "zfs") - if err := mount.Unmount(mountpoint); err != nil { - return fmt.Errorf("error unmounting to %s: %v", mountpoint, err) + logger.Debugf(`unmount("%s")`, mountpoint) + + if err := unix.Unmount(mountpoint, unix.MNT_DETACH); err != nil { + logger.Warnf("Failed to unmount %s mount %s: %v", id, mountpoint, err) + } + if err := unix.Rmdir(mountpoint); err != nil && !os.IsNotExist(err) { + logger.Debugf("Failed to remove %s mount point %s: %v", id, mountpoint, err) } + return nil } diff --git a/vendor/github.com/containers/storage/drivers/zfs/zfs_freebsd.go b/vendor/github.com/containers/storage/drivers/zfs/zfs_freebsd.go index 69c0448d3..bf6905159 100644 --- a/vendor/github.com/containers/storage/drivers/zfs/zfs_freebsd.go +++ b/vendor/github.com/containers/storage/drivers/zfs/zfs_freebsd.go @@ -18,7 +18,7 @@ func checkRootdirFs(rootdir string) error { // on FreeBSD buf.Fstypename contains ['z', 'f', 's', 0 ... ] if (buf.Fstypename[0] != 122) || (buf.Fstypename[1] != 102) || (buf.Fstypename[2] != 115) || (buf.Fstypename[3] != 0) { - logrus.Debugf("[zfs] no zfs dataset found for rootdir '%s'", rootdir) + logrus.WithField("storage-driver", "zfs").Debugf("no zfs dataset found for rootdir '%s'", rootdir) return errors.Wrapf(graphdriver.ErrPrerequisites, "no zfs dataset found for rootdir '%s'", rootdir) } diff --git a/vendor/github.com/containers/storage/drivers/zfs/zfs_linux.go b/vendor/github.com/containers/storage/drivers/zfs/zfs_linux.go index da298047d..fb1ef3a3d 100644 --- a/vendor/github.com/containers/storage/drivers/zfs/zfs_linux.go +++ b/vendor/github.com/containers/storage/drivers/zfs/zfs_linux.go @@ -1,23 +1,24 @@ package zfs import ( - "fmt" - "github.com/containers/storage/drivers" "github.com/pkg/errors" "github.com/sirupsen/logrus" - "golang.org/x/sys/unix" ) -func checkRootdirFs(rootdir string) error { - var buf unix.Statfs_t - if err := unix.Statfs(rootdir, &buf); err != nil { - return fmt.Errorf("Failed to access '%s': %s", rootdir, err) +func checkRootdirFs(rootDir string) error { + fsMagic, err := graphdriver.GetFSMagic(rootDir) + if err != nil { + return err + } + backingFS := "unknown" + if fsName, ok := graphdriver.FsNames[fsMagic]; ok { + backingFS = fsName } - if graphdriver.FsMagic(buf.Type) != graphdriver.FsMagicZfs { - logrus.Debugf("[zfs] no zfs dataset found for rootdir '%s'", rootdir) - return errors.Wrapf(graphdriver.ErrPrerequisites, "no zfs dataset found for rootdir '%s'", rootdir) + if fsMagic != graphdriver.FsMagicZfs { + logrus.WithField("root", rootDir).WithField("backingFS", backingFS).WithField("storage-driver", "zfs").Error("No zfs dataset found for root") + return errors.Wrapf(graphdriver.ErrPrerequisites, "no zfs dataset found for rootdir '%s'", rootDir) } return nil diff --git a/vendor/github.com/containers/storage/drivers/zfs/zfs_solaris.go b/vendor/github.com/containers/storage/drivers/zfs/zfs_solaris.go deleted file mode 100644 index 2383bf3bf..000000000 --- a/vendor/github.com/containers/storage/drivers/zfs/zfs_solaris.go +++ /dev/null @@ -1,59 +0,0 @@ -// +build solaris,cgo - -package zfs - -/* -#include <sys/statvfs.h> -#include <stdlib.h> - -static inline struct statvfs *getstatfs(char *s) { - struct statvfs *buf; - int err; - buf = (struct statvfs *)malloc(sizeof(struct statvfs)); - err = statvfs(s, buf); - return buf; -} -*/ -import "C" -import ( - "path/filepath" - "strings" - "unsafe" - - "github.com/containers/storage/drivers" - "github.com/pkg/errors" - "github.com/sirupsen/logrus" -) - -func checkRootdirFs(rootdir string) error { - - cs := C.CString(filepath.Dir(rootdir)) - defer C.free(unsafe.Pointer(cs)) - buf := C.getstatfs(cs) - defer C.free(unsafe.Pointer(buf)) - - // on Solaris buf.f_basetype contains ['z', 'f', 's', 0 ... ] - if (buf.f_basetype[0] != 122) || (buf.f_basetype[1] != 102) || (buf.f_basetype[2] != 115) || - (buf.f_basetype[3] != 0) { - logrus.Debugf("[zfs] no zfs dataset found for rootdir '%s'", rootdir) - return errors.Wrapf(graphdriver.ErrPrerequisites, "no zfs dataset found for rootdir '%s'", rootdir) - } - - return nil -} - -/* rootfs is introduced to comply with the OCI spec -which states that root filesystem must be mounted at <CID>/rootfs/ instead of <CID>/ -*/ -func getMountpoint(id string) string { - maxlen := 12 - - // we need to preserve filesystem suffix - suffix := strings.SplitN(id, "-", 2) - - if len(suffix) > 1 { - return filepath.Join(id[:maxlen]+"-"+suffix[1], "rootfs", "root") - } - - return filepath.Join(id[:maxlen], "rootfs", "root") -} diff --git a/vendor/github.com/containers/storage/drivers/zfs/zfs_unsupported.go b/vendor/github.com/containers/storage/drivers/zfs/zfs_unsupported.go index ce8daadaf..643b169bc 100644 --- a/vendor/github.com/containers/storage/drivers/zfs/zfs_unsupported.go +++ b/vendor/github.com/containers/storage/drivers/zfs/zfs_unsupported.go @@ -1,4 +1,4 @@ -// +build !linux,!freebsd,!solaris +// +build !linux,!freebsd package zfs |