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authorGiuseppe Scrivano <gscrivan@redhat.com>2019-03-22 12:15:26 +0100
committerGiuseppe Scrivano <gscrivan@redhat.com>2019-03-29 14:04:44 +0100
commitf7e72bc86aff2ff986290f190309deceb7f22099 (patch)
treed6fc24ed50db3437a90944299af4a4436ca6fe7c /libpod
parent9b789359f17f22bdd2ed49087c23eebf39f338f3 (diff)
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volumes: push the chown logic to runtime_volume_linux.go
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Diffstat (limited to 'libpod')
-rw-r--r--libpod/options.go22
-rw-r--r--libpod/runtime_ctr.go5
-rw-r--r--libpod/runtime_volume_linux.go14
-rw-r--r--libpod/volume.go2
4 files changed, 37 insertions, 6 deletions
diff --git a/libpod/options.go b/libpod/options.go
index 84c541314..6bc145553 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -1274,6 +1274,28 @@ func WithVolumeName(name string) VolumeCreateOption {
}
}
+// WithVolumeUID sets the uid of the owner.
+func WithVolumeUID(uid int) VolumeCreateOption {
+ return func(volume *Volume) error {
+ if volume.valid {
+ return ErrVolumeFinalized
+ }
+ volume.config.UID = uid
+ return nil
+ }
+}
+
+// WithVolumeGID sets the gid of the owner.
+func WithVolumeGID(gid int) VolumeCreateOption {
+ return func(volume *Volume) error {
+ if volume.valid {
+ return ErrVolumeFinalized
+ }
+ volume.config.GID = gid
+ return nil
+ }
+}
+
// WithVolumeLabels sets the labels of the volume.
func WithVolumeLabels(labels map[string]string) VolumeCreateOption {
return func(volume *Volume) error {
diff --git a/libpod/runtime_ctr.go b/libpod/runtime_ctr.go
index 7c39d8ced..17340f56d 100644
--- a/libpod/runtime_ctr.go
+++ b/libpod/runtime_ctr.go
@@ -182,14 +182,11 @@ func (r *Runtime) newContainer(ctx context.Context, rSpec *spec.Spec, options ..
if vol.Source[0] != '/' && isNamedVolume(vol.Source) {
volInfo, err := r.state.Volume(vol.Source)
if err != nil {
- newVol, err := r.newVolume(ctx, WithVolumeName(vol.Source), withSetCtrSpecific())
+ newVol, err := r.newVolume(ctx, WithVolumeName(vol.Source), withSetCtrSpecific(), WithVolumeUID(ctr.RootUID()), WithVolumeGID(ctr.RootGID()))
if err != nil {
return nil, errors.Wrapf(err, "error creating named volume %q", vol.Source)
}
ctr.config.Spec.Mounts[i].Source = newVol.MountPoint()
- if err := os.Chown(ctr.config.Spec.Mounts[i].Source, ctr.RootUID(), ctr.RootGID()); err != nil {
- return nil, errors.Wrapf(err, "cannot chown %q to %d:%d", ctr.config.Spec.Mounts[i].Source, ctr.RootUID(), ctr.RootGID())
- }
if err := ctr.copyWithTarFromImage(ctr.config.Spec.Mounts[i].Destination, ctr.config.Spec.Mounts[i].Source); err != nil && !os.IsNotExist(err) {
return nil, errors.Wrapf(err, "failed to copy content into new volume mount %q", vol.Source)
}
diff --git a/libpod/runtime_volume_linux.go b/libpod/runtime_volume_linux.go
index 5767a99e7..db5c29242 100644
--- a/libpod/runtime_volume_linux.go
+++ b/libpod/runtime_volume_linux.go
@@ -51,10 +51,20 @@ func (r *Runtime) newVolume(ctx context.Context, options ...VolumeCreateOption)
}
// Create the mountpoint of this volume
- fullVolPath := filepath.Join(r.config.VolumePath, volume.config.Name, "_data")
- if err := os.MkdirAll(fullVolPath, 0755); err != nil {
+ volPathRoot := filepath.Join(r.config.VolumePath, volume.config.Name)
+ if err := os.MkdirAll(volPathRoot, 0700); err != nil {
+ return nil, errors.Wrapf(err, "error creating volume directory %q", volPathRoot)
+ }
+ if err := os.Chown(volPathRoot, volume.config.UID, volume.config.GID); err != nil {
+ return nil, errors.Wrapf(err, "error chowning volume directory %q to %d:%d", volPathRoot, volume.config.UID, volume.config.GID)
+ }
+ fullVolPath := filepath.Join(volPathRoot, "_data")
+ if err := os.Mkdir(fullVolPath, 0755); err != nil {
return nil, errors.Wrapf(err, "error creating volume directory %q", fullVolPath)
}
+ if err := os.Chown(fullVolPath, volume.config.UID, volume.config.GID); err != nil {
+ return nil, errors.Wrapf(err, "error chowning volume directory %q to %d:%d", fullVolPath, volume.config.UID, volume.config.GID)
+ }
if err := LabelVolumePath(fullVolPath, true); err != nil {
return nil, err
}
diff --git a/libpod/volume.go b/libpod/volume.go
index 0c7618841..0b37d44ef 100644
--- a/libpod/volume.go
+++ b/libpod/volume.go
@@ -21,6 +21,8 @@ type VolumeConfig struct {
Options map[string]string `json:"options"`
Scope string `json:"scope"`
IsCtrSpecific bool `json:"ctrSpecific"`
+ UID int `json:"uid"`
+ GID int `json:"gid"`
}
// Name retrieves the volume's name