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Add option to get content digest from manifest get

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The client may need the content digest to delete a manifest using the digest used by the registry.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan 2016-06-08 17:02:29 -07:00
parent b3ecf67fa7
commit f3ae941cca
2 changed files with 45 additions and 7 deletions
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29
docs/client/repository_test.go
View file

@ -605,6 +605,14 @@ func addTestManifestWithEtag(repo reference.Named, reference string, content []b
*m = append(*m, testutil.RequestResponseMapping{Request: getReqWithEtag, Response: getRespWithEtag})
}
func contentDigestString(mediatype string, content []byte) string {
if mediatype == schema1.MediaTypeSignedManifest {
m, _, _ := distribution.UnmarshalManifest(mediatype, content)
content = m.(*schema1.SignedManifest).Canonical
}
return digest.Canonical.FromBytes(content).String()
}
func addTestManifest(repo reference.Named, reference string, mediatype string, content []byte, m *testutil.RequestResponseMap) {
*m = append(*m, testutil.RequestResponseMapping{
Request: testutil.Request{
@ -615,9 +623,10 @@ func addTestManifest(repo reference.Named, reference string, mediatype string, c
StatusCode: http.StatusOK,
Body: content,
Headers: http.Header(map[string][]string{
"Content-Length": {fmt.Sprint(len(content))},
"Last-Modified": {time.Now().Add(-1 * time.Second).Format(time.ANSIC)},
"Content-Type": {mediatype},
"Content-Length": {fmt.Sprint(len(content))},
"Last-Modified": {time.Now().Add(-1 * time.Second).Format(time.ANSIC)},
"Content-Type": {mediatype},
"Docker-Content-Digest": {contentDigestString(mediatype, content)},
}),
},
})
@ -629,9 +638,10 @@ func addTestManifest(repo reference.Named, reference string, mediatype string, c
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)},
"Content-Type": {mediatype},
"Content-Length": {fmt.Sprint(len(content))},
"Last-Modified": {time.Now().Add(-1 * time.Second).Format(time.ANSIC)},
"Content-Type": {mediatype},
"Docker-Content-Digest": {digest.Canonical.FromBytes(content).String()},
}),
},
})
@ -710,7 +720,8 @@ func TestV1ManifestFetch(t *testing.T) {
t.Fatal(err)
}
manifest, err = ms.Get(ctx, dgst, distribution.WithTag("latest"))
var contentDigest digest.Digest
manifest, err = ms.Get(ctx, dgst, distribution.WithTag("latest"), ReturnContentDigest(&contentDigest))
if err != nil {
t.Fatal(err)
}
@ -723,6 +734,10 @@ func TestV1ManifestFetch(t *testing.T) {
t.Fatal(err)
}
if contentDigest != dgst {
t.Fatalf("Unexpected returned content digest %v, expected %v", contentDigest, dgst)
}
manifest, err = ms.Get(ctx, dgst, distribution.WithTag("badcontenttype"))
if err != nil {
t.Fatal(err)