Feedback update
Update comments and TODOs Fix switch style Updated parse http response to take in reader Add Cancel implementation Update blobstore variable name Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan
parent
eb2ac4301f
commit
8db2145b81
4 changed files with 68 additions and 62 deletions
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@ -11,12 +11,10 @@ import (
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"strconv"
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"time"
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"github.com/docker/distribution/manifest"
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"github.com/docker/distribution/digest"
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"github.com/docker/distribution"
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"github.com/docker/distribution/context"
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"github.com/docker/distribution/digest"
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"github.com/docker/distribution/manifest"
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"github.com/docker/distribution/registry/api/v2"
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"github.com/docker/distribution/registry/client/transport"
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"github.com/docker/distribution/registry/storage/cache"
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@ -108,8 +106,8 @@ func (ms *manifests) Tags() ([]string, error) {
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}
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defer resp.Body.Close()
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switch {
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case resp.StatusCode == http.StatusOK:
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switch resp.StatusCode {
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case http.StatusOK:
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b, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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@ -123,7 +121,7 @@ func (ms *manifests) Tags() ([]string, error) {
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}
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return tagsResponse.Tags, nil
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case resp.StatusCode == http.StatusNotFound:
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case http.StatusNotFound:
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return nil, nil
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default:
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return nil, handleErrorResponse(resp)
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@ -131,6 +129,8 @@ func (ms *manifests) Tags() ([]string, error) {
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}
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func (ms *manifests) Exists(dgst digest.Digest) (bool, error) {
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// Call by Tag endpoint since the API uses the same
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// URL endpoint for tags and digests.
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return ms.ExistsByTag(dgst.String())
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}
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@ -145,10 +145,10 @@ func (ms *manifests) ExistsByTag(tag string) (bool, error) {
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return false, err
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}
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switch {
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case resp.StatusCode == http.StatusOK:
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switch resp.StatusCode {
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case http.StatusOK:
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return true, nil
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case resp.StatusCode == http.StatusNotFound:
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case http.StatusNotFound:
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return false, nil
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default:
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return false, handleErrorResponse(resp)
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@ -156,6 +156,8 @@ func (ms *manifests) ExistsByTag(tag string) (bool, error) {
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}
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func (ms *manifests) Get(dgst digest.Digest) (*manifest.SignedManifest, error) {
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// Call by Tag endpoint since the API uses the same
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// URL endpoint for tags and digests.
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return ms.GetByTag(dgst.String())
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}
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@ -171,8 +173,8 @@ func (ms *manifests) GetByTag(tag string) (*manifest.SignedManifest, error) {
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}
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defer resp.Body.Close()
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switch {
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case resp.StatusCode == http.StatusOK:
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switch resp.StatusCode {
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case http.StatusOK:
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var sm manifest.SignedManifest
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decoder := json.NewDecoder(resp.Body)
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@ -203,9 +205,9 @@ func (ms *manifests) Put(m *manifest.SignedManifest) error {
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}
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defer resp.Body.Close()
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switch {
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case resp.StatusCode == http.StatusAccepted:
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// TODO(dmcgowan): Use or check digest header
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switch resp.StatusCode {
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case http.StatusAccepted:
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// TODO(dmcgowan): make use of digest header
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return nil
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default:
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return handleErrorResponse(resp)
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@ -228,8 +230,8 @@ func (ms *manifests) Delete(dgst digest.Digest) error {
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}
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defer resp.Body.Close()
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switch {
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case resp.StatusCode == http.StatusOK:
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switch resp.StatusCode {
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case http.StatusOK:
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return nil
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default:
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return handleErrorResponse(resp)
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@ -263,17 +265,17 @@ func sanitizeLocation(location, source string) (string, error) {
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return location, nil
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}
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func (ls *blobs) Stat(ctx context.Context, dgst digest.Digest) (distribution.Descriptor, error) {
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return ls.statter.Stat(ctx, dgst)
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func (bs *blobs) Stat(ctx context.Context, dgst digest.Digest) (distribution.Descriptor, error) {
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return bs.statter.Stat(ctx, dgst)
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}
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func (ls *blobs) Get(ctx context.Context, dgst digest.Digest) ([]byte, error) {
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desc, err := ls.Stat(ctx, dgst)
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func (bs *blobs) Get(ctx context.Context, dgst digest.Digest) ([]byte, error) {
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desc, err := bs.Stat(ctx, dgst)
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if err != nil {
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return nil, err
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}
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reader, err := ls.Open(ctx, desc.Digest)
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reader, err := bs.Open(ctx, desc.Digest)
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if err != nil {
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return nil, err
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}
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@ -282,26 +284,26 @@ func (ls *blobs) Get(ctx context.Context, dgst digest.Digest) ([]byte, error) {
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return ioutil.ReadAll(reader)
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}
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func (ls *blobs) Open(ctx context.Context, dgst digest.Digest) (distribution.ReadSeekCloser, error) {
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stat, err := ls.statter.Stat(ctx, dgst)
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func (bs *blobs) Open(ctx context.Context, dgst digest.Digest) (distribution.ReadSeekCloser, error) {
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stat, err := bs.statter.Stat(ctx, dgst)
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if err != nil {
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return nil, err
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}
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blobURL, err := ls.ub.BuildBlobURL(ls.Name(), stat.Digest)
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blobURL, err := bs.ub.BuildBlobURL(bs.Name(), stat.Digest)
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if err != nil {
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return nil, err
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}
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return transport.NewHTTPReadSeeker(ls.repository.client, blobURL, stat.Length), nil
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return transport.NewHTTPReadSeeker(bs.repository.client, blobURL, stat.Length), nil
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}
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func (ls *blobs) ServeBlob(ctx context.Context, w http.ResponseWriter, r *http.Request, dgst digest.Digest) error {
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return nil
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func (bs *blobs) ServeBlob(ctx context.Context, w http.ResponseWriter, r *http.Request, dgst digest.Digest) error {
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panic("not implemented")
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}
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func (ls *blobs) Put(ctx context.Context, mediaType string, p []byte) (distribution.Descriptor, error) {
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writer, err := ls.Create(ctx)
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func (bs *blobs) Put(ctx context.Context, mediaType string, p []byte) (distribution.Descriptor, error) {
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writer, err := bs.Create(ctx)
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if err != nil {
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return distribution.Descriptor{}, err
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}
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@ -323,17 +325,17 @@ func (ls *blobs) Put(ctx context.Context, mediaType string, p []byte) (distribut
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return writer.Commit(ctx, desc)
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}
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func (ls *blobs) Create(ctx context.Context) (distribution.BlobWriter, error) {
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u, err := ls.ub.BuildBlobUploadURL(ls.name)
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func (bs *blobs) Create(ctx context.Context) (distribution.BlobWriter, error) {
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u, err := bs.ub.BuildBlobUploadURL(bs.name)
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resp, err := ls.client.Post(u, "", nil)
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resp, err := bs.client.Post(u, "", nil)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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switch {
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case resp.StatusCode == http.StatusAccepted:
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switch resp.StatusCode {
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case http.StatusAccepted:
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// TODO(dmcgowan): Check for invalid UUID
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uuid := resp.Header.Get("Docker-Upload-UUID")
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location, err := sanitizeLocation(resp.Header.Get("Location"), u)
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@ -342,8 +344,8 @@ func (ls *blobs) Create(ctx context.Context) (distribution.BlobWriter, error) {
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}
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return &httpBlobUpload{
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repo: ls.repository,
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client: ls.client,
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repo: bs.repository,
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client: bs.client,
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uuid: uuid,
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startedAt: time.Now(),
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location: location,
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@ -353,7 +355,7 @@ func (ls *blobs) Create(ctx context.Context) (distribution.BlobWriter, error) {
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}
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}
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func (ls *blobs) Resume(ctx context.Context, id string) (distribution.BlobWriter, error) {
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func (bs *blobs) Resume(ctx context.Context, id string) (distribution.BlobWriter, error) {
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panic("not implemented")
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}
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@ -361,20 +363,20 @@ type blobStatter struct {
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*repository
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}
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func (ls *blobStatter) Stat(ctx context.Context, dgst digest.Digest) (distribution.Descriptor, error) {
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u, err := ls.ub.BuildBlobURL(ls.name, dgst)
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func (bs *blobStatter) Stat(ctx context.Context, dgst digest.Digest) (distribution.Descriptor, error) {
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u, err := bs.ub.BuildBlobURL(bs.name, dgst)
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if err != nil {
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return distribution.Descriptor{}, err
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}
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resp, err := ls.client.Head(u)
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resp, err := bs.client.Head(u)
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if err != nil {
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return distribution.Descriptor{}, err
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}
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defer resp.Body.Close()
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switch {
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case resp.StatusCode == http.StatusOK:
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switch resp.StatusCode {
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case http.StatusOK:
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lengthHeader := resp.Header.Get("Content-Length")
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length, err := strconv.ParseInt(lengthHeader, 10, 64)
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if err != nil {
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@ -386,7 +388,7 @@ func (ls *blobStatter) Stat(ctx context.Context, dgst digest.Digest) (distributi
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Length: length,
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Digest: dgst,
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}, nil
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case resp.StatusCode == http.StatusNotFound:
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case http.StatusNotFound:
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return distribution.Descriptor{}, distribution.ErrBlobUnknown
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default:
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return distribution.Descriptor{}, handleErrorResponse(resp)
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