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Update to use blob interfaces

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Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan 2015-05-15 13:29:44 -07:00
parent fddeb1c8d5
commit 9d64e461be
5 changed files with 204 additions and 199 deletions
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113
registry/client/layer.go
View file

@ -8,18 +8,15 @@ import (
"io/ioutil"
"net/http"
"os"
"time"
"github.com/docker/distribution"
"github.com/docker/distribution/context"
"github.com/docker/distribution/digest"
)
type httpLayer struct {
*layers
type httpBlob struct {
*repository
size int64
digest digest.Digest
createdAt time.Time
desc distribution.Descriptor
rc io.ReadCloser // remote read closer
brd *bufio.Reader // internal buffered io
@ -27,48 +24,40 @@ type httpLayer struct {
err error
}
func (hl *httpLayer) CreatedAt() time.Time {
return hl.createdAt
}
func (hl *httpLayer) Digest() digest.Digest {
return hl.digest
}
func (hl *httpLayer) Read(p []byte) (n int, err error) {
if hl.err != nil {
return 0, hl.err
func (hb *httpBlob) Read(p []byte) (n int, err error) {
if hb.err != nil {
return 0, hb.err
}
rd, err := hl.reader()
rd, err := hb.reader()
if err != nil {
return 0, err
}
n, err = rd.Read(p)
hl.offset += int64(n)
hb.offset += int64(n)
// Simulate io.EOF error if we reach filesize.
if err == nil && hl.offset >= hl.size {
if err == nil && hb.offset >= hb.desc.Length {
err = io.EOF
}
return n, err
}
func (hl *httpLayer) Seek(offset int64, whence int) (int64, error) {
if hl.err != nil {
return 0, hl.err
func (hb *httpBlob) Seek(offset int64, whence int) (int64, error) {
if hb.err != nil {
return 0, hb.err
}
var err error
newOffset := hl.offset
newOffset := hb.offset
switch whence {
case os.SEEK_CUR:
newOffset += int64(offset)
case os.SEEK_END:
newOffset = hl.size + int64(offset)
newOffset = hb.desc.Length + int64(offset)
case os.SEEK_SET:
newOffset = int64(offset)
}
@ -76,60 +65,60 @@ func (hl *httpLayer) Seek(offset int64, whence int) (int64, error) {
if newOffset < 0 {
err = fmt.Errorf("cannot seek to negative position")
} else {
if hl.offset != newOffset {
hl.reset()
if hb.offset != newOffset {
hb.reset()
}
// No problems, set the offset.
hl.offset = newOffset
hb.offset = newOffset
}
return hl.offset, err
return hb.offset, err
}
func (hl *httpLayer) Close() error {
if hl.err != nil {
return hl.err
func (hb *httpBlob) Close() error {
if hb.err != nil {
return hb.err
}
// close and release reader chain
if hl.rc != nil {
hl.rc.Close()
if hb.rc != nil {
hb.rc.Close()
}
hl.rc = nil
hl.brd = nil
hb.rc = nil
hb.brd = nil
hl.err = fmt.Errorf("httpLayer: closed")
hb.err = fmt.Errorf("httpBlob: closed")
return nil
}
func (hl *httpLayer) reset() {
if hl.err != nil {
func (hb *httpBlob) reset() {
if hb.err != nil {
return
}
if hl.rc != nil {
hl.rc.Close()
hl.rc = nil
if hb.rc != nil {
hb.rc.Close()
hb.rc = nil
}
}
func (hl *httpLayer) reader() (io.Reader, error) {
if hl.err != nil {
return nil, hl.err
func (hb *httpBlob) reader() (io.Reader, error) {
if hb.err != nil {
return nil, hb.err
}
if hl.rc != nil {
return hl.brd, nil
if hb.rc != nil {
return hb.brd, nil
}
// If the offset is great than or equal to size, return a empty, noop reader.
if hl.offset >= hl.size {
if hb.offset >= hb.desc.Length {
return ioutil.NopCloser(bytes.NewReader([]byte{})), nil
}
blobURL, err := hl.ub.BuildBlobURL(hl.name, hl.digest)
blobURL, err := hb.ub.BuildBlobURL(hb.name, hb.desc.Digest)
if err != nil {
return nil, err
}
@ -139,40 +128,32 @@ func (hl *httpLayer) reader() (io.Reader, error) {
return nil, err
}
if hl.offset > 0 {
if hb.offset > 0 {
// TODO(stevvooe): Get this working correctly.
// If we are at different offset, issue a range request from there.
req.Header.Add("Range", fmt.Sprintf("1-"))
context.GetLogger(hl.context).Infof("Range: %s", req.Header.Get("Range"))
context.GetLogger(hb.context).Infof("Range: %s", req.Header.Get("Range"))
}
resp, err := hl.client.Do(req)
resp, err := hb.client.Do(req)
if err != nil {
return nil, err
}
switch {
case resp.StatusCode == 200:
hl.rc = resp.Body
hb.rc = resp.Body
default:
defer resp.Body.Close()
return nil, fmt.Errorf("unexpected status resolving reader: %v", resp.Status)
}
if hl.brd == nil {
hl.brd = bufio.NewReader(hl.rc)
if hb.brd == nil {
hb.brd = bufio.NewReader(hb.rc)
} else {
hl.brd.Reset(hl.rc)
hb.brd.Reset(hb.rc)
}
return hl.brd, nil
}
func (hl *httpLayer) Length() int64 {
return hl.size
}
func (hl *httpLayer) Handler(r *http.Request) (http.Handler, error) {
panic("Not implemented")
return hb.brd, nil
}

72
registry/client/layer_upload.go
View file

@ -11,10 +11,10 @@ import (
"time"
"github.com/docker/distribution"
"github.com/docker/distribution/digest"
"github.com/docker/distribution/context"
)
type httpLayerUpload struct {
type httpBlobUpload struct {
repo distribution.Repository
client *http.Client
@ -26,32 +26,32 @@ type httpLayerUpload struct {
closed bool
}
func (hlu *httpLayerUpload) handleErrorResponse(resp *http.Response) error {
func (hbu *httpBlobUpload) handleErrorResponse(resp *http.Response) error {
if resp.StatusCode == http.StatusNotFound {
return &BlobUploadNotFoundError{Location: hlu.location}
return &BlobUploadNotFoundError{Location: hbu.location}
}
return handleErrorResponse(resp)
}
func (hlu *httpLayerUpload) ReadFrom(r io.Reader) (n int64, err error) {
req, err := http.NewRequest("PATCH", hlu.location, ioutil.NopCloser(r))
func (hbu *httpBlobUpload) ReadFrom(r io.Reader) (n int64, err error) {
req, err := http.NewRequest("PATCH", hbu.location, ioutil.NopCloser(r))
if err != nil {
return 0, err
}
defer req.Body.Close()
resp, err := hlu.client.Do(req)
resp, err := hbu.client.Do(req)
if err != nil {
return 0, err
}
if resp.StatusCode != http.StatusAccepted {
return 0, hlu.handleErrorResponse(resp)
return 0, hbu.handleErrorResponse(resp)
}
// TODO(dmcgowan): Validate headers
hlu.uuid = resp.Header.Get("Docker-Upload-UUID")
hlu.location, err = sanitizeLocation(resp.Header.Get("Location"), hlu.location)
hbu.uuid = resp.Header.Get("Docker-Upload-UUID")
hbu.location, err = sanitizeLocation(resp.Header.Get("Location"), hbu.location)
if err != nil {
return 0, err
}
@ -67,27 +67,27 @@ func (hlu *httpLayerUpload) ReadFrom(r io.Reader) (n int64, err error) {
}
func (hlu *httpLayerUpload) Write(p []byte) (n int, err error) {
req, err := http.NewRequest("PATCH", hlu.location, bytes.NewReader(p))
func (hbu *httpBlobUpload) Write(p []byte) (n int, err error) {
req, err := http.NewRequest("PATCH", hbu.location, bytes.NewReader(p))
if err != nil {
return 0, err
}
req.Header.Set("Content-Range", fmt.Sprintf("%d-%d", hlu.offset, hlu.offset+int64(len(p)-1)))
req.Header.Set("Content-Range", fmt.Sprintf("%d-%d", hbu.offset, hbu.offset+int64(len(p)-1)))
req.Header.Set("Content-Length", fmt.Sprintf("%d", len(p)))
req.Header.Set("Content-Type", "application/octet-stream")
resp, err := hlu.client.Do(req)
resp, err := hbu.client.Do(req)
if err != nil {
return 0, err
}
if resp.StatusCode != http.StatusAccepted {
return 0, hlu.handleErrorResponse(resp)
return 0, hbu.handleErrorResponse(resp)
}
// TODO(dmcgowan): Validate headers
hlu.uuid = resp.Header.Get("Docker-Upload-UUID")
hlu.location, err = sanitizeLocation(resp.Header.Get("Location"), hlu.location)
hbu.uuid = resp.Header.Get("Docker-Upload-UUID")
hbu.location, err = sanitizeLocation(resp.Header.Get("Location"), hbu.location)
if err != nil {
return 0, err
}
@ -103,8 +103,8 @@ func (hlu *httpLayerUpload) Write(p []byte) (n int, err error) {
}
func (hlu *httpLayerUpload) Seek(offset int64, whence int) (int64, error) {
newOffset := hlu.offset
func (hbu *httpBlobUpload) Seek(offset int64, whence int) (int64, error) {
newOffset := hbu.offset
switch whence {
case os.SEEK_CUR:
@ -115,47 +115,47 @@ func (hlu *httpLayerUpload) Seek(offset int64, whence int) (int64, error) {
newOffset = int64(offset)
}
hlu.offset = newOffset
hbu.offset = newOffset
return hlu.offset, nil
return hbu.offset, nil
}
func (hlu *httpLayerUpload) UUID() string {
return hlu.uuid
func (hbu *httpBlobUpload) ID() string {
return hbu.uuid
}
func (hlu *httpLayerUpload) StartedAt() time.Time {
return hlu.startedAt
func (hbu *httpBlobUpload) StartedAt() time.Time {
return hbu.startedAt
}
func (hlu *httpLayerUpload) Finish(digest digest.Digest) (distribution.Layer, error) {
func (hbu *httpBlobUpload) Commit(ctx context.Context, desc distribution.Descriptor) (distribution.Descriptor, error) {
// TODO(dmcgowan): Check if already finished, if so just fetch
req, err := http.NewRequest("PUT", hlu.location, nil)
req, err := http.NewRequest("PUT", hbu.location, nil)
if err != nil {
return nil, err
return distribution.Descriptor{}, err
}
values := req.URL.Query()
values.Set("digest", digest.String())
values.Set("digest", desc.Digest.String())
req.URL.RawQuery = values.Encode()
resp, err := hlu.client.Do(req)
resp, err := hbu.client.Do(req)
if err != nil {
return nil, err
return distribution.Descriptor{}, err
}
if resp.StatusCode != http.StatusCreated {
return nil, hlu.handleErrorResponse(resp)
return distribution.Descriptor{}, hbu.handleErrorResponse(resp)
}
return hlu.repo.Layers().Fetch(digest)
return hbu.repo.Blobs(ctx).Stat(ctx, desc.Digest)
}
func (hlu *httpLayerUpload) Cancel() error {
func (hbu *httpBlobUpload) Rollback(ctx context.Context) error {
panic("not implemented")
}
func (hlu *httpLayerUpload) Close() error {
hlu.closed = true
func (hbu *httpBlobUpload) Close() error {
hbu.closed = true
return nil
}

30
registry/client/layer_upload_test.go
View file

@ -11,8 +11,8 @@ import (
"github.com/docker/distribution/testutil"
)
// Test implements distribution.LayerUpload
var _ distribution.LayerUpload = &httpLayerUpload{}
// Test implements distribution.BlobWriter
var _ distribution.BlobWriter = &httpBlobUpload{}
func TestUploadReadFrom(t *testing.T) {
_, b := newRandomBlob(64)
@ -124,13 +124,13 @@ func TestUploadReadFrom(t *testing.T) {
e, c := testServer(m)
defer c()
layerUpload := &httpLayerUpload{
blobUpload := &httpBlobUpload{
client: &http.Client{},
}
// Valid case
layerUpload.location = e + locationPath
n, err := layerUpload.ReadFrom(bytes.NewReader(b))
blobUpload.location = e + locationPath
n, err := blobUpload.ReadFrom(bytes.NewReader(b))
if err != nil {
t.Fatalf("Error calling ReadFrom: %s", err)
}
@ -139,15 +139,15 @@ func TestUploadReadFrom(t *testing.T) {
}
// Bad range
layerUpload.location = e + locationPath
_, err = layerUpload.ReadFrom(bytes.NewReader(b))
blobUpload.location = e + locationPath
_, err = blobUpload.ReadFrom(bytes.NewReader(b))
if err == nil {
t.Fatalf("Expected error when bad range received")
}
// 404
layerUpload.location = e + locationPath
_, err = layerUpload.ReadFrom(bytes.NewReader(b))
blobUpload.location = e + locationPath
_, err = blobUpload.ReadFrom(bytes.NewReader(b))
if err == nil {
t.Fatalf("Expected error when not found")
}
@ -158,8 +158,8 @@ func TestUploadReadFrom(t *testing.T) {
}
// 400 valid json
layerUpload.location = e + locationPath
_, err = layerUpload.ReadFrom(bytes.NewReader(b))
blobUpload.location = e + locationPath
_, err = blobUpload.ReadFrom(bytes.NewReader(b))
if err == nil {
t.Fatalf("Expected error when not found")
}
@ -181,8 +181,8 @@ func TestUploadReadFrom(t *testing.T) {
}
// 400 invalid json
layerUpload.location = e + locationPath
_, err = layerUpload.ReadFrom(bytes.NewReader(b))
blobUpload.location = e + locationPath
_, err = blobUpload.ReadFrom(bytes.NewReader(b))
if err == nil {
t.Fatalf("Expected error when not found")
}
@ -196,8 +196,8 @@ func TestUploadReadFrom(t *testing.T) {
}
// 500
layerUpload.location = e + locationPath
_, err = layerUpload.ReadFrom(bytes.NewReader(b))
blobUpload.location = e + locationPath
_, err = blobUpload.ReadFrom(bytes.NewReader(b))
if err == nil {
t.Fatalf("Expected error when not found")
}

103
registry/client/repository.go
View file

@ -4,6 +4,7 @@ import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
@ -55,8 +56,8 @@ func (r *repository) Name() string {
return r.name
}
func (r *repository) Layers() distribution.LayerService {
return &layers{
func (r *repository) Blobs(ctx context.Context) distribution.BlobService {
return &blobs{
repository: r,
}
}
@ -229,7 +230,7 @@ func (ms *manifests) Delete(dgst digest.Digest) error {
}
}
type layers struct {
type blobs struct {
*repository
}
@ -254,25 +255,55 @@ func sanitizeLocation(location, source string) (string, error) {
return location, nil
}
func (ls *layers) Exists(dgst digest.Digest) (bool, error) {
_, err := ls.fetchLayer(dgst)
func (ls *blobs) Get(ctx context.Context, dgst digest.Digest) ([]byte, error) {
desc, err := ls.Stat(ctx, dgst)
if err != nil {
switch err := err.(type) {
case distribution.ErrUnknownLayer:
return false, nil
default:
return false, err
}
return nil, err
}
reader, err := ls.Open(ctx, desc)
if err != nil {
return nil, err
}
defer reader.Close()
return ioutil.ReadAll(reader)
}
func (ls *blobs) Open(ctx context.Context, desc distribution.Descriptor) (distribution.ReadSeekCloser, error) {
return &httpBlob{
repository: ls.repository,
desc: desc,
}, nil
}
func (ls *blobs) ServeBlob(ctx context.Context, w http.ResponseWriter, r *http.Request, desc distribution.Descriptor) error {
return nil
}
func (ls *blobs) Put(ctx context.Context, mediaType string, p []byte) (distribution.Descriptor, error) {
writer, err := ls.Writer(ctx)
if err != nil {
return distribution.Descriptor{}, err
}
dgstr := digest.NewCanonicalDigester()
n, err := io.Copy(writer, io.TeeReader(bytes.NewReader(p), dgstr))
if err != nil {
return distribution.Descriptor{}, err
}
if n < int64(len(p)) {
return distribution.Descriptor{}, fmt.Errorf("short copy: wrote %d of %d", n, len(p))
}
return true, nil
desc := distribution.Descriptor{
MediaType: mediaType,
Length: int64(len(p)),
Digest: dgstr.Digest(),
}
return writer.Commit(ctx, desc)
}
func (ls *layers) Fetch(dgst digest.Digest) (distribution.Layer, error) {
return ls.fetchLayer(dgst)
}
func (ls *layers) Upload() (distribution.LayerUpload, error) {
func (ls *blobs) Writer(ctx context.Context) (distribution.BlobWriter, error) {
u, err := ls.ub.BuildBlobUploadURL(ls.name)
resp, err := ls.client.Post(u, "", nil)
@ -290,7 +321,7 @@ func (ls *layers) Upload() (distribution.LayerUpload, error) {
return nil, err
}
return &httpLayerUpload{
return &httpBlobUpload{
repo: ls.repository,
client: ls.client,
uuid: uuid,
@ -302,19 +333,19 @@ func (ls *layers) Upload() (distribution.LayerUpload, error) {
}
}
func (ls *layers) Resume(uuid string) (distribution.LayerUpload, error) {
func (ls *blobs) Resume(ctx context.Context, id string) (distribution.BlobWriter, error) {
panic("not implemented")
}
func (ls *layers) fetchLayer(dgst digest.Digest) (distribution.Layer, error) {
func (ls *blobs) Stat(ctx context.Context, dgst digest.Digest) (distribution.Descriptor, error) {
u, err := ls.ub.BuildBlobURL(ls.name, dgst)
if err != nil {
return nil, err
return distribution.Descriptor{}, err
}
resp, err := ls.client.Head(u)
if err != nil {
return nil, err
return distribution.Descriptor{}, err
}
defer resp.Body.Close()
@ -323,31 +354,17 @@ func (ls *layers) fetchLayer(dgst digest.Digest) (distribution.Layer, error) {
lengthHeader := resp.Header.Get("Content-Length")
length, err := strconv.ParseInt(lengthHeader, 10, 64)
if err != nil {
return nil, fmt.Errorf("error parsing content-length: %v", err)
return distribution.Descriptor{}, fmt.Errorf("error parsing content-length: %v", err)
}
var t time.Time
lastModified := resp.Header.Get("Last-Modified")
if lastModified != "" {
t, err = http.ParseTime(lastModified)
if err != nil {
return nil, fmt.Errorf("error parsing last-modified: %v", err)
}
}
return &httpLayer{
layers: ls,
size: length,
digest: dgst,
createdAt: t,
return distribution.Descriptor{
MediaType: resp.Header.Get("Content-Type"),
Length: length,
Digest: dgst,
}, nil
case resp.StatusCode == http.StatusNotFound:
return nil, distribution.ErrUnknownLayer{
FSLayer: manifest.FSLayer{
BlobSum: dgst,
},
}
return distribution.Descriptor{}, distribution.ErrBlobUnknown
default:
return nil, handleErrorResponse(resp)
return distribution.Descriptor{}, handleErrorResponse(resp)
}
}

85
registry/client/repository_test.go
View file

@ -5,7 +5,6 @@ import (
"crypto/rand"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"net/http/httptest"
@ -15,6 +14,7 @@ import (
"code.google.com/p/go-uuid/uuid"
"github.com/docker/distribution"
"github.com/docker/distribution/context"
"github.com/docker/distribution/digest"
"github.com/docker/distribution/manifest"
@ -88,7 +88,7 @@ func addPing(m *testutil.RequestResponseMap) {
})
}
func TestLayerFetch(t *testing.T) {
func TestBlobFetch(t *testing.T) {
d1, b1 := newRandomBlob(1024)
var m testutil.RequestResponseMap
addTestFetch("test.example.com/repo1", d1, b1, &m)
@ -97,17 +97,14 @@ func TestLayerFetch(t *testing.T) {
e, c := testServer(m)
defer c()
r, err := NewRepository(context.Background(), "test.example.com/repo1", e, nil)
ctx := context.Background()
r, err := NewRepository(ctx, "test.example.com/repo1", e, nil)
if err != nil {
t.Fatal(err)
}
l := r.Layers()
l := r.Blobs(ctx)
layer, err := l.Fetch(d1)
if err != nil {
t.Fatal(err)
}
b, err := ioutil.ReadAll(layer)
b, err := l.Get(ctx, d1)
if err != nil {
t.Fatal(err)
}
@ -118,7 +115,7 @@ func TestLayerFetch(t *testing.T) {
// TODO(dmcgowan): Test error cases
}
func TestLayerExists(t *testing.T) {
func TestBlobExists(t *testing.T) {
d1, b1 := newRandomBlob(1024)
var m testutil.RequestResponseMap
addTestFetch("test.example.com/repo1", d1, b1, &m)
@ -127,24 +124,30 @@ func TestLayerExists(t *testing.T) {
e, c := testServer(m)
defer c()
r, err := NewRepository(context.Background(), "test.example.com/repo1", e, nil)
ctx := context.Background()
r, err := NewRepository(ctx, "test.example.com/repo1", e, nil)
if err != nil {
t.Fatal(err)
}
l := r.Layers()
l := r.Blobs(ctx)
ok, err := l.Exists(d1)
stat, err := l.Stat(ctx, d1)
if err != nil {
t.Fatal(err)
}
if !ok {
t.Fatalf("Blob does not exist: %s", d1)
if stat.Digest != d1 {
t.Fatalf("Unexpected digest: %s, expected %s", stat.Digest, d1)
}
// TODO(dmcgowan): Test error cases
if stat.Length != int64(len(b1)) {
t.Fatalf("Unexpected length: %d, expected %d", stat.Length, len(b1))
}
// TODO(dmcgowan): Test error cases and ErrBlobUnknown case
}
func TestLayerUploadChunked(t *testing.T) {
func TestBlobUploadChunked(t *testing.T) {
dgst, b1 := newRandomBlob(1024)
var m testutil.RequestResponseMap
addPing(&m)
@ -227,19 +230,20 @@ func TestLayerUploadChunked(t *testing.T) {
e, c := testServer(m)
defer c()
r, err := NewRepository(context.Background(), repo, e, nil)
ctx := context.Background()
r, err := NewRepository(ctx, repo, e, nil)
if err != nil {
t.Fatal(err)
}
l := r.Layers()
l := r.Blobs(ctx)
upload, err := l.Upload()
upload, err := l.Writer(ctx)
if err != nil {
t.Fatal(err)
}
if upload.UUID() != uuids[0] {
log.Fatalf("Unexpected UUID %s; expected %s", upload.UUID(), uuids[0])
if upload.ID() != uuids[0] {
log.Fatalf("Unexpected UUID %s; expected %s", upload.ID(), uuids[0])
}
for _, chunk := range chunks {
@ -252,17 +256,20 @@ func TestLayerUploadChunked(t *testing.T) {
}
}
layer, err := upload.Finish(dgst)
blob, err := upload.Commit(ctx, distribution.Descriptor{
Digest: dgst,
Length: int64(len(b1)),
})
if err != nil {
t.Fatal(err)
}
if layer.Length() != int64(len(b1)) {
t.Fatalf("Unexpected layer size: %d; expected: %d", layer.Length(), len(b1))
if blob.Length != int64(len(b1)) {
t.Fatalf("Unexpected blob size: %d; expected: %d", blob.Length, len(b1))
}
}
func TestLayerUploadMonolithic(t *testing.T) {
func TestBlobUploadMonolithic(t *testing.T) {
dgst, b1 := newRandomBlob(1024)
var m testutil.RequestResponseMap
addPing(&m)
@ -334,19 +341,20 @@ func TestLayerUploadMonolithic(t *testing.T) {
e, c := testServer(m)
defer c()
r, err := NewRepository(context.Background(), repo, e, nil)
ctx := context.Background()
r, err := NewRepository(ctx, repo, e, nil)
if err != nil {
t.Fatal(err)
}
l := r.Layers()
l := r.Blobs(ctx)
upload, err := l.Upload()
upload, err := l.Writer(ctx)
if err != nil {
t.Fatal(err)
}
if upload.UUID() != uploadID {
log.Fatalf("Unexpected UUID %s; expected %s", upload.UUID(), uploadID)
if upload.ID() != uploadID {
log.Fatalf("Unexpected UUID %s; expected %s", upload.ID(), uploadID)
}
n, err := upload.ReadFrom(bytes.NewReader(b1))
@ -357,20 +365,19 @@ func TestLayerUploadMonolithic(t *testing.T) {
t.Fatalf("Unexpected ReadFrom length: %d; expected: %d", n, len(b1))
}
layer, err := upload.Finish(dgst)
blob, err := upload.Commit(ctx, distribution.Descriptor{
Digest: dgst,
Length: int64(len(b1)),
})
if err != nil {
t.Fatal(err)
}
if layer.Length() != int64(len(b1)) {
t.Fatalf("Unexpected layer size: %d; expected: %d", layer.Length(), len(b1))
if blob.Length != int64(len(b1)) {
t.Fatalf("Unexpected blob size: %d; expected: %d", blob.Length, len(b1))
}
}
func TestLayerUploadResume(t *testing.T) {
// TODO(dmcgowan): implement
}
func newRandomSchema1Manifest(name, tag string, blobCount int) (*manifest.SignedManifest, digest.Digest) {
blobs := make([]manifest.FSLayer, blobCount)
history := make([]manifest.History, blobCount)
@ -447,7 +454,7 @@ func checkEqualManifest(m1, m2 *manifest.SignedManifest) error {
return fmt.Errorf("tag does not match %q != %q", m1.Tag, m2.Tag)
}
if len(m1.FSLayers) != len(m2.FSLayers) {
return fmt.Errorf("fs layer length does not match %d != %d", len(m1.FSLayers), len(m2.FSLayers))
return fmt.Errorf("fs blob length does not match %d != %d", len(m1.FSLayers), len(m2.FSLayers))
}
for i := range m1.FSLayers {
if m1.FSLayers[i].BlobSum != m2.FSLayers[i].BlobSum {