Vendor c/storage 1.13.3

Pull in fixes to avoid double locking the mounts list when
doing a save or cleanup.

Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>

5 files changed, 64 insertions, 50 deletions

diff --git a/vendor/github.com/containers/storage/Makefile b/vendor/github.com/containers/storage/Makefile
index bb1de007b..fa0fddaeb 100644
--- a/vendor/github.com/containers/storage/Makefile
+++ b/vendor/github.com/containers/storage/Makefile
@@ -1,4 +1,5 @@
 export GO111MODULE=off
+export GOPROXY=https://proxy.golang.org
 
 .PHONY: \
 	all \
diff --git a/vendor/github.com/containers/storage/VERSION b/vendor/github.com/containers/storage/VERSION
index 065f9ec4c..01b756823 100644
--- a/vendor/github.com/containers/storage/VERSION
+++ b/vendor/github.com/containers/storage/VERSION
@@ -1 +1 @@
-1.13.3-dev
+1.13.3
diff --git a/vendor/github.com/containers/storage/images.go b/vendor/github.com/containers/storage/images.go
index b1df9b765..5d6a2e48d 100644
--- a/vendor/github.com/containers/storage/images.go
+++ b/vendor/github.com/containers/storage/images.go
@@ -372,7 +372,7 @@ func (r *imageStore) ClearFlag(id string, flag string) error {
 	}
 	image, ok := r.lookup(id)
 	if !ok {
-		return ErrImageUnknown
+		return errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 	}
 	delete(image.Flags, flag)
 	return r.Save()
@@ -384,7 +384,7 @@ func (r *imageStore) SetFlag(id string, flag string, value interface{}) error {
 	}
 	image, ok := r.lookup(id)
 	if !ok {
-		return ErrImageUnknown
+		return errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 	}
 	if image.Flags == nil {
 		image.Flags = make(map[string]interface{})
@@ -456,14 +456,14 @@ func (r *imageStore) addMappedTopLayer(id, layer string) error {
 		image.MappedTopLayers = append(image.MappedTopLayers, layer)
 		return r.Save()
 	}
-	return ErrImageUnknown
+	return errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 }
 
 func (r *imageStore) Metadata(id string) (string, error) {
 	if image, ok := r.lookup(id); ok {
 		return image.Metadata, nil
 	}
-	return "", ErrImageUnknown
+	return "", errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 }
 
 func (r *imageStore) SetMetadata(id, metadata string) error {
@@ -474,7 +474,7 @@ func (r *imageStore) SetMetadata(id, metadata string) error {
 		image.Metadata = metadata
 		return r.Save()
 	}
-	return ErrImageUnknown
+	return errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 }
 
 func (r *imageStore) removeName(image *Image, name string) {
@@ -499,7 +499,7 @@ func (r *imageStore) SetNames(id string, names []string) error {
 		image.Names = names
 		return r.Save()
 	}
-	return ErrImageUnknown
+	return errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 }
 
 func (r *imageStore) Delete(id string) error {
@@ -508,7 +508,7 @@ func (r *imageStore) Delete(id string) error {
 	}
 	image, ok := r.lookup(id)
 	if !ok {
-		return ErrImageUnknown
+		return errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 	}
 	id = image.ID
 	toDeleteIndex := -1
@@ -551,14 +551,14 @@ func (r *imageStore) Get(id string) (*Image, error) {
 	if image, ok := r.lookup(id); ok {
 		return copyImage(image), nil
 	}
-	return nil, ErrImageUnknown
+	return nil, errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 }
 
 func (r *imageStore) Lookup(name string) (id string, err error) {
 	if image, ok := r.lookup(name); ok {
 		return image.ID, nil
 	}
-	return "", ErrImageUnknown
+	return "", errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 }
 
 func (r *imageStore) Exists(id string) bool {
@@ -570,7 +570,7 @@ func (r *imageStore) ByDigest(d digest.Digest) ([]*Image, error) {
 	if images, ok := r.bydigest[d]; ok {
 		return copyImageSlice(images), nil
 	}
-	return nil, ErrImageUnknown
+	return nil, errors.Wrapf(ErrImageUnknown, "error locating image with digest %q", d)
 }
 
 func (r *imageStore) BigData(id, key string) ([]byte, error) {
@@ -579,7 +579,7 @@ func (r *imageStore) BigData(id, key string) ([]byte, error) {
 	}
 	image, ok := r.lookup(id)
 	if !ok {
-		return nil, ErrImageUnknown
+		return nil, errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 	}
 	return ioutil.ReadFile(r.datapath(image.ID, key))
 }
@@ -590,7 +590,7 @@ func (r *imageStore) BigDataSize(id, key string) (int64, error) {
 	}
 	image, ok := r.lookup(id)
 	if !ok {
-		return -1, ErrImageUnknown
+		return -1, errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 	}
 	if image.BigDataSizes == nil {
 		image.BigDataSizes = make(map[string]int64)
@@ -610,7 +610,7 @@ func (r *imageStore) BigDataDigest(id, key string) (digest.Digest, error) {
 	}
 	image, ok := r.lookup(id)
 	if !ok {
-		return "", ErrImageUnknown
+		return "", errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 	}
 	if image.BigDataDigests == nil {
 		image.BigDataDigests = make(map[string]digest.Digest)
@@ -624,7 +624,7 @@ func (r *imageStore) BigDataDigest(id, key string) (digest.Digest, error) {
 func (r *imageStore) BigDataNames(id string) ([]string, error) {
 	image, ok := r.lookup(id)
 	if !ok {
-		return nil, ErrImageUnknown
+		return nil, errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 	}
 	return copyStringSlice(image.BigDataNames), nil
 }
@@ -649,7 +649,7 @@ func (r *imageStore) SetBigData(id, key string, data []byte, digestManifest func
 	}
 	image, ok := r.lookup(id)
 	if !ok {
-		return ErrImageUnknown
+		return errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 	}
 	err := os.MkdirAll(r.datadir(image.ID), 0700)
 	if err != nil {
diff --git a/vendor/github.com/containers/storage/layers.go b/vendor/github.com/containers/storage/layers.go
index d746ba061..ac905b0b4 100644
--- a/vendor/github.com/containers/storage/layers.go
+++ b/vendor/github.com/containers/storage/layers.go
@@ -363,7 +363,7 @@ func (r *layerStore) Load() error {
 			}
 			if cleanup, ok := layer.Flags[incompleteFlag]; ok {
 				if b, ok := cleanup.(bool); ok && b {
-					err = r.Delete(layer.ID)
+					err = r.deleteInternal(layer.ID)
 					if err != nil {
 						break
 					}
@@ -372,7 +372,7 @@ func (r *layerStore) Load() error {
 			}
 		}
 		if shouldSave {
-			return r.Save()
+			return r.saveLayers()
 		}
 	}
 	return err
@@ -416,6 +416,16 @@ func (r *layerStore) loadMounts() error {
 }
 
 func (r *layerStore) Save() error {
+	r.mountsLockfile.Lock()
+	defer r.mountsLockfile.Unlock()
+	defer r.mountsLockfile.Touch()
+	if err := r.saveLayers(); err != nil {
+		return err
+	}
+	return r.saveMounts()
+}
+
+func (r *layerStore) saveLayers() error {
 	if !r.IsReadWrite() {
 		return errors.Wrapf(ErrStoreIsReadOnly, "not allowed to modify the layer store at %q", r.layerspath())
 	}
@@ -431,13 +441,7 @@ func (r *layerStore) Save() error {
 		return err
 	}
 	defer r.Touch()
-	if err := ioutils.AtomicWriteFile(rpath, jldata, 0600); err != nil {
-		return err
-	}
-	r.mountsLockfile.Lock()
-	defer r.mountsLockfile.Unlock()
-	defer r.mountsLockfile.Touch()
-	return r.saveMounts()
+	return ioutils.AtomicWriteFile(rpath, jldata, 0600)
 }
 
 func (r *layerStore) saveMounts() error {
@@ -954,7 +958,7 @@ func (r *layerStore) tspath(id string) string {
 	return filepath.Join(r.layerdir, id+tarSplitSuffix)
 }
 
-func (r *layerStore) Delete(id string) error {
+func (r *layerStore) deleteInternal(id string) error {
 	if !r.IsReadWrite() {
 		return errors.Wrapf(ErrStoreIsReadOnly, "not allowed to delete layers at %q", r.layerspath())
 	}
@@ -963,23 +967,7 @@ func (r *layerStore) Delete(id string) error {
 		return ErrLayerUnknown
 	}
 	id = layer.ID
-	// The layer may already have been explicitly unmounted, but if not, we
-	// should try to clean that up before we start deleting anything at the
-	// driver level.
-	mountCount, err := r.Mounted(id)
-	if err != nil {
-		return errors.Wrapf(err, "error checking if layer %q is still mounted", id)
-	}
-	for mountCount > 0 {
-		if _, err := r.Unmount(id, false); err != nil {
-			return err
-		}
-		mountCount, err = r.Mounted(id)
-		if err != nil {
-			return errors.Wrapf(err, "error checking if layer %q is still mounted", id)
-		}
-	}
-	err = r.driver.Remove(id)
+	err := r.driver.Remove(id)
 	if err == nil {
 		os.Remove(r.tspath(id))
 		delete(r.byid, id)
@@ -1015,11 +1003,36 @@ func (r *layerStore) Delete(id string) error {
 				label.ReleaseLabel(mountLabel)
 			}
 		}
-		if err = r.Save(); err != nil {
+	}
+	return err
+}
+
+func (r *layerStore) Delete(id string) error {
+	layer, ok := r.lookup(id)
+	if !ok {
+		return ErrLayerUnknown
+	}
+	id = layer.ID
+	// The layer may already have been explicitly unmounted, but if not, we
+	// should try to clean that up before we start deleting anything at the
+	// driver level.
+	mountCount, err := r.Mounted(id)
+	if err != nil {
+		return errors.Wrapf(err, "error checking if layer %q is still mounted", id)
+	}
+	for mountCount > 0 {
+		if _, err := r.Unmount(id, false); err != nil {
 			return err
 		}
+		mountCount, err = r.Mounted(id)
+		if err != nil {
+			return errors.Wrapf(err, "error checking if layer %q is still mounted", id)
+		}
 	}
-	return err
+	if err := r.deleteInternal(id); err != nil {
+		return err
+	}
+	return r.Save()
 }
 
 func (r *layerStore) Lookup(name string) (id string, err error) {
diff --git a/vendor/github.com/containers/storage/store.go b/vendor/github.com/containers/storage/store.go
index 74275482b..dd3405212 100644
--- a/vendor/github.com/containers/storage/store.go
+++ b/vendor/github.com/containers/storage/store.go
@@ -1202,7 +1202,7 @@ func (s *store) CreateContainer(id string, names []string, image, layer, metadat
 			}
 		}
 		if cimage == nil {
-			return nil, ErrImageUnknown
+			return nil, errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 		}
 		imageID = cimage.ID
 
@@ -1437,7 +1437,7 @@ func (s *store) ListImageBigData(id string) ([]string, error) {
 			return bigDataNames, err
 		}
 	}
-	return nil, ErrImageUnknown
+	return nil, errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 }
 
 func (s *store) ImageBigDataSize(id, key string) (int64, error) {
@@ -1516,7 +1516,7 @@ func (s *store) ImageBigData(id, key string) ([]byte, error) {
 			return data, nil
 		}
 	}
-	return nil, ErrImageUnknown
+	return nil, errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 }
 
 func (s *store) SetImageBigData(id, key string, data []byte, digestManifest func([]byte) (digest.Digest, error)) error {
@@ -2891,7 +2891,7 @@ func (s *store) Image(id string) (*Image, error) {
 			return image, nil
 		}
 	}
-	return nil, ErrImageUnknown
+	return nil, errors.Wrapf(ErrImageUnknown, "error locating image with ID %q", id)
 }
 
 func (s *store) ImagesByTopLayer(id string) ([]*Image, error) {
@@ -2953,7 +2953,7 @@ func (s *store) ImagesByDigest(d digest.Digest) ([]*Image, error) {
 			}
 		}
 		imageList, err := store.ByDigest(d)
-		if err != nil && err != ErrImageUnknown {
+		if err != nil && errors.Cause(err) != ErrImageUnknown {
 			return nil, err
 		}
 		images = append(images, imageList...)