TrueCloudLab/distribution
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Adds functional options arguments to the Blobs Create method

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Removes the Mount operation and instead implements this behavior as part
of Create a From option is provided, which in turn returns a rich
ErrBlobMounted indicating that a blob upload session was not initiated,
but instead the blob was mounted from another repository

Signed-off-by: Brian Bland <brian.bland@docker.com>
This commit is contained in:
Brian Bland 2016-01-13 11:44:42 -08:00
parent 66b492e69f
commit 36023174db
7 changed files with 146 additions and 93 deletions
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29
docs/client/repository_test.go
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@ -18,7 +18,9 @@ import (
"github.com/docker/distribution/digest"
"github.com/docker/distribution/manifest"
"github.com/docker/distribution/manifest/schema1"
"github.com/docker/distribution/reference"
"github.com/docker/distribution/registry/api/errcode"
"github.com/docker/distribution/registry/storage"
"github.com/docker/distribution/testutil"
"github.com/docker/distribution/uuid"
"github.com/docker/libtrust"
@ -471,6 +473,16 @@ func TestBlobMount(t *testing.T) {
var m testutil.RequestResponseMap
repo := "test.example.com/uploadrepo"
sourceRepo := "test.example.com/sourcerepo"
namedRef, err := reference.ParseNamed(sourceRepo)
if err != nil {
t.Fatal(err)
}
canonicalRef, err := reference.WithDigest(namedRef, dgst)
if err != nil {
t.Fatal(err)
}
m = append(m, testutil.RequestResponseMapping{
Request: testutil.Request{
Method: "POST",
@ -511,13 +523,20 @@ func TestBlobMount(t *testing.T) {
l := r.Blobs(ctx)
stat, err := l.Mount(ctx, sourceRepo, dgst)
if err != nil {
t.Fatal(err)
bw, err := l.Create(ctx, storage.WithMountFrom(canonicalRef))
if bw != nil {
t.Fatalf("Expected blob writer to be nil, was %v", bw)
}
if stat.Digest != dgst {
t.Fatalf("Unexpected digest: %s, expected %s", stat.Digest, dgst)
if ebm, ok := err.(distribution.ErrBlobMounted); ok {
if ebm.From.Digest() != dgst {
t.Fatalf("Unexpected digest: %s, expected %s", ebm.From.Digest(), dgst)
}
if ebm.From.Name() != sourceRepo {
t.Fatalf("Unexpected from: %s, expected %s", ebm.From.Name(), sourceRepo)
}
} else {
t.Fatalf("Unexpected error: %v, expected an ErrBlobMounted", err)
}
}