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Adds cross-repository blob mounting behavior

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Extends blob upload POST endpoint to support mount and from query
parameters as described in #634

Signed-off-by: Brian Bland <brian.bland@docker.com>
This commit is contained in:
Brian Bland 2015-12-14 18:34:18 -08:00
parent c426367881
commit 41e30f626b
10 changed files with 416 additions and 10 deletions
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55
docs/client/repository_test.go
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@ -466,6 +466,61 @@ func TestBlobUploadMonolithic(t *testing.T) {
}
}
func TestBlobMount(t *testing.T) {
dgst, content := newRandomBlob(1024)
var m testutil.RequestResponseMap
repo := "test.example.com/uploadrepo"
sourceRepo := "test.example.com/sourcerepo"
m = append(m, testutil.RequestResponseMapping{
Request: testutil.Request{
Method: "POST",
Route: "/v2/" + repo + "/blobs/uploads/",
QueryParams: map[string][]string{"from": {sourceRepo}, "mount": {dgst.String()}},
},
Response: testutil.Response{
StatusCode: http.StatusCreated,
Headers: http.Header(map[string][]string{
"Content-Length": {"0"},
"Location": {"/v2/" + repo + "/blobs/" + dgst.String()},
"Docker-Content-Digest": {dgst.String()},
}),
},
})
m = append(m, testutil.RequestResponseMapping{
Request: testutil.Request{
Method: "HEAD",
Route: "/v2/" + repo + "/blobs/" + dgst.String(),
},
Response: testutil.Response{
StatusCode: http.StatusOK,
Headers: http.Header(map[string][]string{
"Content-Length": {fmt.Sprint(len(content))},
"Last-Modified": {time.Now().Add(-1 * time.Second).Format(time.ANSIC)},
}),
},
})
e, c := testServer(m)
defer c()
ctx := context.Background()
r, err := NewRepository(ctx, repo, e, nil)
if err != nil {
t.Fatal(err)
}
l := r.Blobs(ctx)
stat, err := l.Mount(ctx, sourceRepo, dgst)
if err != nil {
t.Fatal(err)
}
if stat.Digest != dgst {
t.Fatalf("Unexpected digest: %s, expected %s", stat.Digest, dgst)
}
}
func newRandomSchemaV1Manifest(name, tag string, blobCount int) (*schema1.SignedManifest, digest.Digest, []byte) {
blobs := make([]schema1.FSLayer, blobCount)
history := make([]schema1.History, blobCount)