Bump image, storage, and image-spec

Bump containers/image (pulling in its new dependency on ostree-go),
containers/storage, and updated image-spec.

This pulls in the OCI v1.0 specifications and code that allows us to
support 1.0 images.

Signed-off-by: Dan Walsh <dwalsh@redhat.com>
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
This commit is contained in:
Dan Walsh 2017-07-20 16:31:51 -04:00 committed by Nalin Dahyabhai
parent 5138691c3b
commit d76645680f
117 changed files with 3965 additions and 991 deletions

View file

@ -174,11 +174,11 @@ func (s *storageImageDestination) putBlob(stream io.Reader, blobinfo types.BlobI
}
// Attempt to create the identified layer and import its contents.
layer, uncompressedSize, err := s.imageRef.transport.store.PutLayer(id, parentLayer, nil, "", true, multi)
if err != nil && err != storage.ErrDuplicateID {
if err != nil && errors.Cause(err) != storage.ErrDuplicateID {
logrus.Debugf("error importing layer blob %q as %q: %v", blobinfo.Digest, id, err)
return errorBlobInfo, err
}
if err == storage.ErrDuplicateID {
if errors.Cause(err) == storage.ErrDuplicateID {
// We specified an ID, and there's already a layer with
// the same ID. Drain the input so that we can look at
// its length and digest.
@ -291,7 +291,7 @@ func (s *storageImageDestination) PutBlob(stream io.Reader, blobinfo types.BlobI
// it returns a non-nil error only on an unexpected failure.
func (s *storageImageDestination) HasBlob(blobinfo types.BlobInfo) (bool, int64, error) {
if blobinfo.Digest == "" {
return false, -1, errors.Errorf(`"Can not check for a blob with unknown digest`)
return false, -1, errors.Errorf(`Can not check for a blob with unknown digest`)
}
for _, blob := range s.BlobList {
if blob.Digest == blobinfo.Digest {
@ -331,7 +331,7 @@ func (s *storageImageDestination) Commit() error {
}
img, err := s.imageRef.transport.store.CreateImage(s.ID, nil, lastLayer, "", nil)
if err != nil {
if err != storage.ErrDuplicateID {
if errors.Cause(err) != storage.ErrDuplicateID {
logrus.Debugf("error creating image: %q", err)
return errors.Wrapf(err, "error creating image %q", s.ID)
}
@ -340,8 +340,8 @@ func (s *storageImageDestination) Commit() error {
return errors.Wrapf(err, "error reading image %q", s.ID)
}
if img.TopLayer != lastLayer {
logrus.Debugf("error creating image: image with ID %q exists, but uses different layers", err)
return errors.Wrapf(err, "image with ID %q already exists, but uses a different top layer", s.ID)
logrus.Debugf("error creating image: image with ID %q exists, but uses different layers", s.ID)
return errors.Wrapf(storage.ErrDuplicateID, "image with ID %q already exists, but uses a different top layer", s.ID)
}
logrus.Debugf("reusing image ID %q", img.ID)
} else {
@ -449,6 +449,11 @@ func (s *storageImageDestination) AcceptsForeignLayerURLs() bool {
return false
}
// MustMatchRuntimeOS returns true iff the destination can store only images targeted for the current runtime OS. False otherwise.
func (s *storageImageDestination) MustMatchRuntimeOS() bool {
return true
}
func (s *storageImageDestination) PutSignatures(signatures [][]byte) error {
sizes := []int{}
sigblob := []byte{}
@ -516,7 +521,7 @@ func diffLayer(store storage.Store, layerID string) (rc io.ReadCloser, n int64,
} else {
n = layerMeta.CompressedSize
}
diff, err := store.Diff("", layer.ID)
diff, err := store.Diff("", layer.ID, nil)
if err != nil {
return nil, -1, err
}

View file

@ -70,7 +70,9 @@ func (s *storageReference) resolveImage() (*storage.Image, error) {
// to build this reference object.
func (s storageReference) Transport() types.ImageTransport {
return &storageTransport{
store: s.transport.store,
store: s.transport.store,
defaultUIDMap: s.transport.defaultUIDMap,
defaultGIDMap: s.transport.defaultGIDMap,
}
}
@ -83,7 +85,12 @@ func (s storageReference) DockerReference() reference.Named {
// disambiguate between images which may be present in multiple stores and
// share only their names.
func (s storageReference) StringWithinTransport() string {
storeSpec := "[" + s.transport.store.GraphDriverName() + "@" + s.transport.store.GraphRoot() + "]"
optionsList := ""
options := s.transport.store.GraphOptions()
if len(options) > 0 {
optionsList = ":" + strings.Join(options, ",")
}
storeSpec := "[" + s.transport.store.GraphDriverName() + "@" + s.transport.store.GraphRoot() + "+" + s.transport.store.RunRoot() + optionsList + "]"
if s.name == nil {
return storeSpec + "@" + s.id
}
@ -94,7 +101,14 @@ func (s storageReference) StringWithinTransport() string {
}
func (s storageReference) PolicyConfigurationIdentity() string {
return s.StringWithinTransport()
storeSpec := "[" + s.transport.store.GraphDriverName() + "@" + s.transport.store.GraphRoot() + "]"
if s.name == nil {
return storeSpec + "@" + s.id
}
if s.id == "" {
return storeSpec + s.reference
}
return storeSpec + s.reference + "@" + s.id
}
// Also accept policy that's tied to the combination of the graph root and

View file

@ -11,6 +11,7 @@ import (
"github.com/containers/image/transports"
"github.com/containers/image/types"
"github.com/containers/storage"
"github.com/containers/storage/pkg/idtools"
"github.com/opencontainers/go-digest"
ddigest "github.com/opencontainers/go-digest"
)
@ -46,10 +47,20 @@ type StoreTransport interface {
// ParseStoreReference parses a reference, overriding any store
// specification that it may contain.
ParseStoreReference(store storage.Store, reference string) (*storageReference, error)
// SetDefaultUIDMap sets the default UID map to use when opening stores.
SetDefaultUIDMap(idmap []idtools.IDMap)
// SetDefaultGIDMap sets the default GID map to use when opening stores.
SetDefaultGIDMap(idmap []idtools.IDMap)
// DefaultUIDMap returns the default UID map used when opening stores.
DefaultUIDMap() []idtools.IDMap
// DefaultGIDMap returns the default GID map used when opening stores.
DefaultGIDMap() []idtools.IDMap
}
type storageTransport struct {
store storage.Store
store storage.Store
defaultUIDMap []idtools.IDMap
defaultGIDMap []idtools.IDMap
}
func (s *storageTransport) Name() string {
@ -66,6 +77,26 @@ func (s *storageTransport) SetStore(store storage.Store) {
s.store = store
}
// SetDefaultUIDMap sets the default UID map to use when opening stores.
func (s *storageTransport) SetDefaultUIDMap(idmap []idtools.IDMap) {
s.defaultUIDMap = idmap
}
// SetDefaultGIDMap sets the default GID map to use when opening stores.
func (s *storageTransport) SetDefaultGIDMap(idmap []idtools.IDMap) {
s.defaultGIDMap = idmap
}
// DefaultUIDMap returns the default UID map used when opening stores.
func (s *storageTransport) DefaultUIDMap() []idtools.IDMap {
return s.defaultUIDMap
}
// DefaultGIDMap returns the default GID map used when opening stores.
func (s *storageTransport) DefaultGIDMap() []idtools.IDMap {
return s.defaultGIDMap
}
// ParseStoreReference takes a name or an ID, tries to figure out which it is
// relative to the given store, and returns it in a reference object.
func (s storageTransport) ParseStoreReference(store storage.Store, ref string) (*storageReference, error) {
@ -110,7 +141,12 @@ func (s storageTransport) ParseStoreReference(store storage.Store, ref string) (
// recognize.
return nil, ErrInvalidReference
}
storeSpec := "[" + store.GraphDriverName() + "@" + store.GraphRoot() + "]"
optionsList := ""
options := store.GraphOptions()
if len(options) > 0 {
optionsList = ":" + strings.Join(options, ",")
}
storeSpec := "[" + store.GraphDriverName() + "@" + store.GraphRoot() + "+" + store.RunRoot() + optionsList + "]"
id := ""
if sum.Validate() == nil {
id = sum.Hex()
@ -127,14 +163,17 @@ func (s storageTransport) ParseStoreReference(store storage.Store, ref string) (
} else {
logrus.Debugf("parsed reference into %q", storeSpec+refname+"@"+id)
}
return newReference(storageTransport{store: store}, refname, id, name), nil
return newReference(storageTransport{store: store, defaultUIDMap: s.defaultUIDMap, defaultGIDMap: s.defaultGIDMap}, refname, id, name), nil
}
func (s *storageTransport) GetStore() (storage.Store, error) {
// Return the transport's previously-set store. If we don't have one
// of those, initialize one now.
if s.store == nil {
store, err := storage.GetStore(storage.DefaultStoreOptions)
options := storage.DefaultStoreOptions
options.UIDMap = s.defaultUIDMap
options.GIDMap = s.defaultGIDMap
store, err := storage.GetStore(options)
if err != nil {
return nil, err
}
@ -145,15 +184,11 @@ func (s *storageTransport) GetStore() (storage.Store, error) {
// ParseReference takes a name and/or an ID ("_name_"/"@_id_"/"_name_@_id_"),
// possibly prefixed with a store specifier in the form "[_graphroot_]" or
// "[_driver_@_graphroot_]", tries to figure out which it is, and returns it in
// a reference object. If the _graphroot_ is a location other than the default,
// it needs to have been previously opened using storage.GetStore(), so that it
// can figure out which run root goes with the graph root.
// "[_driver_@_graphroot_]" or "[_driver_@_graphroot_+_runroot_]" or
// "[_driver_@_graphroot_:_options_]" or "[_driver_@_graphroot_+_runroot_:_options_]",
// tries to figure out which it is, and returns it in a reference object.
func (s *storageTransport) ParseReference(reference string) (types.ImageReference, error) {
store, err := s.GetStore()
if err != nil {
return nil, err
}
var store storage.Store
// Check if there's a store location prefix. If there is, then it
// needs to match a store that was previously initialized using
// storage.GetStore(), or be enough to let the storage library fill out
@ -165,37 +200,65 @@ func (s *storageTransport) ParseReference(reference string) (types.ImageReferenc
}
storeSpec := reference[1:closeIndex]
reference = reference[closeIndex+1:]
storeInfo := strings.SplitN(storeSpec, "@", 2)
if len(storeInfo) == 1 && storeInfo[0] != "" {
// One component: the graph root.
if !filepath.IsAbs(storeInfo[0]) {
return nil, ErrPathNotAbsolute
// Peel off a "driver@" from the start.
driverInfo := ""
driverSplit := strings.SplitN(storeSpec, "@", 2)
if len(driverSplit) != 2 {
if storeSpec == "" {
return nil, ErrInvalidReference
}
store2, err := storage.GetStore(storage.StoreOptions{
GraphRoot: storeInfo[0],
})
if err != nil {
return nil, err
}
store = store2
} else if len(storeInfo) == 2 && storeInfo[0] != "" && storeInfo[1] != "" {
// Two components: the driver type and the graph root.
if !filepath.IsAbs(storeInfo[1]) {
return nil, ErrPathNotAbsolute
}
store2, err := storage.GetStore(storage.StoreOptions{
GraphDriverName: storeInfo[0],
GraphRoot: storeInfo[1],
})
if err != nil {
return nil, err
}
store = store2
} else {
// Anything else: store specified in a form we don't
// recognize.
return nil, ErrInvalidReference
driverInfo = driverSplit[0]
if driverInfo == "" {
return nil, ErrInvalidReference
}
storeSpec = driverSplit[1]
if storeSpec == "" {
return nil, ErrInvalidReference
}
}
// Peel off a ":options" from the end.
var options []string
optionsSplit := strings.SplitN(storeSpec, ":", 2)
if len(optionsSplit) == 2 {
options = strings.Split(optionsSplit[1], ",")
storeSpec = optionsSplit[0]
}
// Peel off a "+runroot" from the new end.
runRootInfo := ""
runRootSplit := strings.SplitN(storeSpec, "+", 2)
if len(runRootSplit) == 2 {
runRootInfo = runRootSplit[1]
storeSpec = runRootSplit[0]
}
// The rest is our graph root.
rootInfo := storeSpec
// Check that any paths are absolute paths.
if rootInfo != "" && !filepath.IsAbs(rootInfo) {
return nil, ErrPathNotAbsolute
}
if runRootInfo != "" && !filepath.IsAbs(runRootInfo) {
return nil, ErrPathNotAbsolute
}
store2, err := storage.GetStore(storage.StoreOptions{
GraphDriverName: driverInfo,
GraphRoot: rootInfo,
RunRoot: runRootInfo,
GraphDriverOptions: options,
UIDMap: s.defaultUIDMap,
GIDMap: s.defaultGIDMap,
})
if err != nil {
return nil, err
}
store = store2
} else {
// We didn't have a store spec, so use the default.
store2, err := s.GetStore()
if err != nil {
return nil, err
}
store = store2
}
return s.ParseStoreReference(store, reference)
}
@ -250,7 +313,7 @@ func (s storageTransport) ValidatePolicyConfigurationScope(scope string) error {
return ErrPathNotAbsolute
}
} else {
// Anything else: store specified in a form we don't
// Anything else: scope specified in a form we don't
// recognize.
return ErrInvalidReference
}