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Merge pull request #1325 from dmcgowan/diffid-labels

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content: commit options
This commit is contained in:
Stephen Day 2017-08-14 15:17:37 -07:00 committed by GitHub
commit 72159bf4a4
14 changed files with 441 additions and 116 deletions
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291
api/services/content/v1/content.pb.go
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@ -321,6 +321,8 @@ type WriteContentRequest struct {
// If this is empty and the message is not a commit, a response will be
// returned with the current write state.
Data []byte `protobuf:"bytes,6,opt,name=data,proto3" json:"data,omitempty"`
// Labels are arbitrary data to set on commit.
Labels map[string]string `protobuf:"bytes,7,rep,name=labels" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
}
func (m *WriteContentRequest) Reset() { *m = WriteContentRequest{} }
@ -1445,6 +1447,23 @@ func (m *WriteContentRequest) MarshalTo(dAtA []byte) (int, error) {
i = encodeVarintContent(dAtA, i, uint64(len(m.Data)))
i += copy(dAtA[i:], m.Data)
}
if len(m.Labels) > 0 {
for k, _ := range m.Labels {
dAtA[i] = 0x3a
i++
v := m.Labels[k]
mapSize := 1 + len(k) + sovContent(uint64(len(k))) + 1 + len(v) + sovContent(uint64(len(v)))
i = encodeVarintContent(dAtA, i, uint64(mapSize))
dAtA[i] = 0xa
i++
i = encodeVarintContent(dAtA, i, uint64(len(k)))
i += copy(dAtA[i:], k)
dAtA[i] = 0x12
i++
i = encodeVarintContent(dAtA, i, uint64(len(v)))
i += copy(dAtA[i:], v)
}
}
return i, nil
}
@ -1772,6 +1791,14 @@ func (m *WriteContentRequest) Size() (n int) {
if l > 0 {
n += 1 + l + sovContent(uint64(l))
}
if len(m.Labels) > 0 {
for k, v := range m.Labels {
_ = k
_ = v
mapEntrySize := 1 + len(k) + sovContent(uint64(len(k))) + 1 + len(v) + sovContent(uint64(len(v)))
n += mapEntrySize + 1 + sovContent(uint64(mapEntrySize))
}
}
return n
}
@ -1998,6 +2025,16 @@ func (this *WriteContentRequest) String() string {
if this == nil {
return "nil"
}
keysForLabels := make([]string, 0, len(this.Labels))
for k, _ := range this.Labels {
keysForLabels = append(keysForLabels, k)
}
github_com_gogo_protobuf_sortkeys.Strings(keysForLabels)
mapStringForLabels := "map[string]string{"
for _, k := range keysForLabels {
mapStringForLabels += fmt.Sprintf("%v: %v,", k, this.Labels[k])
}
mapStringForLabels += "}"
s := strings.Join([]string{`&WriteContentRequest{`,
`Action:` + fmt.Sprintf("%v", this.Action) + `,`,
`Ref:` + fmt.Sprintf("%v", this.Ref) + `,`,
@ -2005,6 +2042,7 @@ func (this *WriteContentRequest) String() string {
`Expected:` + fmt.Sprintf("%v", this.Expected) + `,`,
`Offset:` + fmt.Sprintf("%v", this.Offset) + `,`,
`Data:` + fmt.Sprintf("%v", this.Data) + `,`,
`Labels:` + mapStringForLabels + `,`,
`}`,
}, "")
return s
@ -3827,6 +3865,122 @@ func (m *WriteContentRequest) Unmarshal(dAtA []byte) error {
m.Data = []byte{}
}
iNdEx = postIndex
case 7:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowContent
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthContent
}
postIndex := iNdEx + msglen
if postIndex > l {
return io.ErrUnexpectedEOF
}
var keykey uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowContent
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
keykey |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
var stringLenmapkey uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowContent
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLenmapkey |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLenmapkey := int(stringLenmapkey)
if intStringLenmapkey < 0 {
return ErrInvalidLengthContent
}
postStringIndexmapkey := iNdEx + intStringLenmapkey
if postStringIndexmapkey > l {
return io.ErrUnexpectedEOF
}
mapkey := string(dAtA[iNdEx:postStringIndexmapkey])
iNdEx = postStringIndexmapkey
if m.Labels == nil {
m.Labels = make(map[string]string)
}
if iNdEx < postIndex {
var valuekey uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowContent
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
valuekey |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
var stringLenmapvalue uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowContent
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLenmapvalue |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLenmapvalue := int(stringLenmapvalue)
if intStringLenmapvalue < 0 {
return ErrInvalidLengthContent
}
postStringIndexmapvalue := iNdEx + intStringLenmapvalue
if postStringIndexmapvalue > l {
return io.ErrUnexpectedEOF
}
mapvalue := string(dAtA[iNdEx:postStringIndexmapvalue])
iNdEx = postStringIndexmapvalue
m.Labels[mapkey] = mapvalue
} else {
var mapvalue string
m.Labels[mapkey] = mapvalue
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipContent(dAtA[iNdEx:])
@ -4233,72 +4387,73 @@ func init() {
}
var fileDescriptorContent = []byte{
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0x46, 0x72, 0x28, 0x02, 0x8d, 0x8b, 0xa8, 0xdb, 0xcc, 0x16, 0x82, 0x37, 0x2c, 0x41, 0x1b, 0xbf,
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0xa6, 0x83, 0xc4, 0x4d, 0x8c, 0x98, 0xd8, 0x62, 0x23, 0x26, 0x05, 0x8a, 0x47, 0x1a, 0xc2, 0xd5,
0x75, 0x8b, 0x93, 0x21, 0x97, 0xe2, 0x23, 0x2e, 0xa5, 0x21, 0xc1, 0x5c, 0x66, 0xb7, 0x32, 0x09,
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0xc1, 0xae, 0xf1, 0x92, 0x0f, 0x00, 0x00,
}

3
api/services/content/v1/content.proto
View File

@ -269,6 +269,9 @@ message WriteContentRequest {
// If this is empty and the message is not a commit, a response will be
// returned with the current write state.
bytes data = 6;
// Labels are arbitrary data to set on commit.
map<string, string> labels = 7;
}
// WriteContentResponse is returned on the culmination of a write call.

12
content/content.go
View File

@ -90,7 +90,7 @@ type Writer interface {
// Commit commits the blob (but no roll-back is guaranteed on an error).
// size and expected can be zero-value when unknown.
Commit(size int64, expected digest.Digest) error
Commit(size int64, expected digest.Digest, opts ...Opt) error
// Status returns the current state of write
Status() (Status, error)
@ -107,3 +107,13 @@ type Store interface {
IngestManager
Ingester
}
// Opt is used to alter the mutable properties of content
type Opt func(*Info) error
func WithLabels(labels map[string]string) Opt {
return func(info *Info) error {
info.Labels = labels
return nil
}
}

6
content/local/store_test.go
View File

@ -24,12 +24,14 @@ import (
)
func TestContent(t *testing.T) {
testsuite.ContentSuite(t, "fs", func(ctx context.Context, root string) (content.Store, func(), error) {
testsuite.ContentSuite(t, "fs", func(ctx context.Context, root string) (content.Store, func() error, error) {
cs, err := NewStore(root)
if err != nil {
return nil, nil, err
}
return cs, func() {}, nil
return cs, func() error {
return nil
}, nil
})
}

2
content/local/writer.go
View File

@ -54,7 +54,7 @@ func (w *writer) Write(p []byte) (n int, err error) {
return n, err
}
func (w *writer) Commit(size int64, expected digest.Digest) error {
func (w *writer) Commit(size int64, expected digest.Digest, opts ...content.Opt) error {
if err := w.fp.Sync(); err != nil {
return errors.Wrap(err, "sync failed")
}

82
content/testsuite/testsuite.go
View File

@ -17,13 +17,20 @@ import (
"github.com/pkg/errors"
)
// ContentSuite runs a test suite on the snapshotter given a factory function.
func ContentSuite(t *testing.T, name string, storeFn func(ctx context.Context, root string) (content.Store, func(), error)) {
// ContentSuite runs a test suite on the content store given a factory function.
func ContentSuite(t *testing.T, name string, storeFn func(ctx context.Context, root string) (content.Store, func() error, error)) {
t.Run("Writer", makeTest(t, name, storeFn, checkContentStoreWriter))
t.Run("UploadStatus", makeTest(t, name, storeFn, checkUploadStatus))
}
func makeTest(t *testing.T, name string, storeFn func(ctx context.Context, root string) (content.Store, func(), error), fn func(ctx context.Context, t *testing.T, cs content.Store)) func(t *testing.T) {
// ContentLabelSuite runs a test suite for the content store supporting
// labels.
// TODO: Merge this with ContentSuite once all content stores support labels
func ContentLabelSuite(t *testing.T, name string, storeFn func(ctx context.Context, root string) (content.Store, func() error, error)) {
t.Run("Labels", makeTest(t, name, storeFn, checkLabels))
}
func makeTest(t *testing.T, name string, storeFn func(ctx context.Context, root string) (content.Store, func() error, error), fn func(ctx context.Context, t *testing.T, cs content.Store)) func(t *testing.T) {
return func(t *testing.T) {
ctx := namespaces.WithNamespace(context.Background(), name)
@ -37,7 +44,11 @@ func makeTest(t *testing.T, name string, storeFn func(ctx context.Context, root
if err != nil {
t.Fatal(err)
}
defer cleanup()
defer func() {
if err := cleanup(); err != nil && !t.Failed() {
t.Fatalf("Cleanup failed: %+v", err)
}
}()
defer testutil.DumpDir(t, tmpDir)
fn(ctx, t, cs)
@ -200,6 +211,69 @@ func checkUploadStatus(ctx context.Context, t *testing.T, cs content.Store) {
}
}
func checkLabels(ctx context.Context, t *testing.T, cs content.Store) {
c1, d1 := createContent(256, 1)
w1, err := cs.Writer(ctx, "c1", 256, d1)
if err != nil {
t.Fatal(err)
}
if _, err := w1.Write(c1); err != nil {
t.Fatalf("Failed to write: %+v", err)
}
labels := map[string]string{
"k1": "v1",
"k2": "v2",
}
preCommit := time.Now()
if err := w1.Commit(0, "", content.WithLabels(labels)); err != nil {
t.Fatalf("Commit failed: %+v", err)
}
postCommit := time.Now()
info := content.Info{
Digest: d1,
Size: 256,
Labels: labels,
}
if err := checkInfo(ctx, cs, d1, info, preCommit, postCommit, preCommit, postCommit); err != nil {
t.Fatalf("Check info failed: %+v", err)
}
labels["k1"] = "newvalue"
delete(labels, "k2")
labels["k3"] = "v3"
info.Labels = labels
preUpdate := time.Now()
if _, err := cs.Update(ctx, info); err != nil {
t.Fatalf("Update failed: %+v", err)
}
postUpdate := time.Now()
if err := checkInfo(ctx, cs, d1, info, preCommit, postCommit, preUpdate, postUpdate); err != nil {
t.Fatalf("Check info failed: %+v", err)
}
info.Labels = map[string]string{
"k1": "v1",
}
preUpdate = time.Now()
if _, err := cs.Update(ctx, info, "labels.k3", "labels.k1"); err != nil {
t.Fatalf("Update failed: %+v", err)
}
postUpdate = time.Now()
if err := checkInfo(ctx, cs, d1, info, preCommit, postCommit, preUpdate, postUpdate); err != nil {
t.Fatalf("Check info failed: %+v", err)
}
}
func checkStatus(w content.Writer, expected content.Status, d digest.Digest, preStart, postStart, preUpdate, postUpdate time.Time) error {
st, err := w.Status()
if err != nil {

43
content_test.go Normal file
View File

@ -0,0 +1,43 @@
package containerd
import (
"context"
"testing"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/content/testsuite"
"github.com/pkg/errors"
)
func newContentStore(ctx context.Context, root string) (content.Store, func() error, error) {
client, err := New(address)
if err != nil {
return nil, nil, err
}
cs := client.ContentStore()
return cs, func() error {
statuses, err := cs.ListStatuses(ctx)
if err != nil {
return err
}
for _, st := range statuses {
if err := cs.Abort(ctx, st.Ref); err != nil {
return errors.Wrapf(err, "failed to abort %s", st.Ref)
}
}
return cs.Walk(ctx, func(info content.Info) error {
return cs.Delete(ctx, info.Digest)
})
}, nil
}
func TestContentClient(t *testing.T) {
if testing.Short() {
t.Skip()
}
testsuite.ContentSuite(t, "ContentClient", newContentStore)
testsuite.ContentLabelSuite(t, "ContentClient", newContentStore)
}

48
differ/differ.go
View File

@ -102,7 +102,17 @@ func (s *BaseDiff) Apply(ctx context.Context, desc ocispec.Descriptor, mounts []
}
func (s *BaseDiff) DiffMounts(ctx context.Context, lower, upper []mount.Mount, media, ref string) (ocispec.Descriptor, error) {
var isCompressed bool
switch media {
case ocispec.MediaTypeImageLayer:
case ocispec.MediaTypeImageLayerGzip:
isCompressed = true
case "":
media = ocispec.MediaTypeImageLayerGzip
isCompressed = true
default:
return emptyDesc, errors.Errorf("unsupported diff media type: %v", media)
}
aDir, err := ioutil.TempDir("", "left-")
if err != nil {
return emptyDesc, errors.Wrap(err, "failed to create temporary directory")
@ -130,25 +140,29 @@ func (s *BaseDiff) DiffMounts(ctx context.Context, lower, upper []mount.Mount, m
return emptyDesc, errors.Wrap(err, "failed to open writer")
}
// TODO: Validate media type
// TODO: Support compressed media types (link compressed to uncompressed)
//dgstr := digest.SHA256.Digester()
//wc := &writeCounter{}
//compressed, err := compression.CompressStream(cw, compression.Gzip)
//if err != nil {
// return nil, errors.Wrap(err, "failed to get compressed stream")
//}
//err = archive.WriteDiff(ctx, io.MultiWriter(compressed, dgstr.Hash(), wc), lowerDir, upperDir)
//compressed.Close()
err = archive.WriteDiff(ctx, cw, aDir, bDir)
if err != nil {
return emptyDesc, errors.Wrap(err, "failed to write diff")
var opts []content.Opt
if isCompressed {
dgstr := digest.SHA256.Digester()
compressed, err := compression.CompressStream(cw, compression.Gzip)
if err != nil {
return emptyDesc, errors.Wrap(err, "failed to get compressed stream")
}
err = archive.WriteDiff(ctx, io.MultiWriter(compressed, dgstr.Hash()), aDir, bDir)
compressed.Close()
if err != nil {
return emptyDesc, errors.Wrap(err, "failed to write compressed diff")
}
opts = append(opts, content.WithLabels(map[string]string{
"containerd.io/uncompressed": dgstr.Digest().String(),
}))
} else {
if err = archive.WriteDiff(ctx, cw, aDir, bDir); err != nil {
return emptyDesc, errors.Wrap(err, "failed to write diff")
}
}
dgst := cw.Digest()
if err := cw.Commit(0, dgst); err != nil {
if err := cw.Commit(0, dgst, opts...); err != nil {
return emptyDesc, errors.Wrap(err, "failed to commit")
}

17
metadata/content.go
View File

@ -170,7 +170,7 @@ func (cs *contentStore) Delete(ctx context.Context, dgst digest.Digest) error {
// Just remove local reference, garbage collector is responsible for
// cleaning up on disk content
return getBlobsBucket(tx, ns).Delete([]byte(dgst.String()))
return getBlobsBucket(tx, ns).DeleteBucket([]byte(dgst.String()))
})
}
@ -352,7 +352,7 @@ type namespacedWriter struct {
db *bolt.DB
}
func (nw *namespacedWriter) Commit(size int64, expected digest.Digest) error {
func (nw *namespacedWriter) Commit(size int64, expected digest.Digest, opts ...content.Opt) error {
return nw.db.Update(func(tx *bolt.Tx) error {
bkt := getIngestBucket(tx, nw.namespace)
if bkt != nil {
@ -360,11 +360,17 @@ func (nw *namespacedWriter) Commit(size int64, expected digest.Digest) error {
return err
}
}
return nw.commit(tx, size, expected)
return nw.commit(tx, size, expected, opts...)
})
}
func (nw *namespacedWriter) commit(tx *bolt.Tx, size int64, expected digest.Digest) error {
func (nw *namespacedWriter) commit(tx *bolt.Tx, size int64, expected digest.Digest, opts ...content.Opt) error {
var base content.Info
for _, opt := range opts {
if err := opt(&base); err != nil {
return err
}
}
status, err := nw.Writer.Status()
if err != nil {
return err
@ -400,6 +406,9 @@ func (nw *namespacedWriter) commit(tx *bolt.Tx, size int64, expected digest.Dige
if err := boltutil.WriteTimestamps(bkt, commitTime, commitTime); err != nil {
return err
}
if err := boltutil.WriteLabels(bkt, base.Labels); err != nil {
return err
}
if err := bkt.Put(bucketKeySize, sizeEncoded); err != nil {
return err
}

33
metadata/content_test.go
View File

@ -11,21 +11,24 @@ import (
"github.com/containerd/containerd/content/testsuite"
)
func TestContent(t *testing.T) {
testsuite.ContentSuite(t, "metadata", func(ctx context.Context, root string) (content.Store, func(), error) {
// TODO: Use mocked or in-memory store
cs, err := local.NewStore(root)
if err != nil {
return nil, nil, err
}
func createContentStore(ctx context.Context, root string) (content.Store, func() error, error) {
// TODO: Use mocked or in-memory store
cs, err := local.NewStore(root)
if err != nil {
return nil, nil, err
}
db, err := bolt.Open(filepath.Join(root, "metadata.db"), 0660, nil)
if err != nil {
return nil, nil, err
}
db, err := bolt.Open(filepath.Join(root, "metadata.db"), 0660, nil)
if err != nil {
return nil, nil, err
}
return NewContentStore(db, cs), func() {
db.Close()
}, nil
})
return NewContentStore(db, cs), func() error {
return db.Close()
}, nil
}
func TestContent(t *testing.T) {
testsuite.ContentSuite(t, "metadata", createContentStore)
testsuite.ContentLabelSuite(t, "metadata", createContentStore)
}

2
remotes/docker/pusher.go
View File

@ -215,7 +215,7 @@ func (pw *pushWriter) Digest() digest.Digest {
return pw.expected
}
func (pw *pushWriter) Commit(size int64, expected digest.Digest) error {
func (pw *pushWriter) Commit(size int64, expected digest.Digest, opts ...content.Opt) error {
// Check whether read has already thrown an error
if _, err := pw.pipe.Write([]byte{}); err != nil && err != io.ErrClosedPipe {
return errors.Wrap(err, "pipe error before commit")

2
rootfs/diff.go
View File

@ -49,5 +49,5 @@ func Diff(ctx context.Context, snapshotID, contentRef string, sn snapshot.Snapsh
defer sn.Remove(ctx, lowerKey)
}
return md.DiffMounts(ctx, lower, upper, ocispec.MediaTypeImageLayer, contentRef)
return md.DiffMounts(ctx, lower, upper, ocispec.MediaTypeImageLayerGzip, contentRef)
}

6
services/content/service.go
View File

@ -420,7 +420,11 @@ func (s *Service) Write(session api.Content_WriteServer) (err error) {
}
if req.Action == api.WriteActionCommit {
if err := wr.Commit(total, expected); err != nil {
var opts []content.Opt
if req.Labels != nil {
opts = append(opts, content.WithLabels(req.Labels))
}
if err := wr.Commit(total, expected, opts...); err != nil {
return err
}
}

10
services/content/writer.go
View File

@ -46,6 +46,7 @@ func (rw *remoteWriter) Status() (content.Status, error) {
return content.Status{
Ref: rw.ref,
Offset: resp.Offset,
Total: resp.Total,
StartedAt: resp.StartedAt,
UpdatedAt: resp.UpdatedAt,
}, nil
@ -79,12 +80,19 @@ func (rw *remoteWriter) Write(p []byte) (n int, err error) {
return
}
func (rw *remoteWriter) Commit(size int64, expected digest.Digest) error {
func (rw *remoteWriter) Commit(size int64, expected digest.Digest, opts ...content.Opt) error {
var base content.Info
for _, opt := range opts {
if err := opt(&base); err != nil {
return err
}
}
resp, err := rw.send(&contentapi.WriteContentRequest{
Action: contentapi.WriteActionCommit,
Total: size,
Offset: rw.offset,
Expected: expected,
Labels: base.Labels,
})
if err != nil {
return errdefs.FromGRPC(err)