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Remove tarsum support for digest package

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tarsum is not actually used by the registry. Remove support for it.

Convert numerous uses in unit tests to SHA256.

Update docs to remove mentions of tarsums (which were often inaccurate).

Remove tarsum dependency.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
This commit is contained in:
Aaron Lehmann 2015-12-15 17:18:13 -08:00
parent 58232e50cf
commit a077202f88
10 changed files with 22 additions and 90 deletions
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22
docs/handlers/api_test.go
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@ -251,22 +251,18 @@ type blobArgs struct {
imageName string
layerFile io.ReadSeeker
layerDigest digest.Digest
tarSumStr string
}
func makeBlobArgs(t *testing.T) blobArgs {
layerFile, tarSumStr, err := testutil.CreateRandomTarFile()
layerFile, layerDigest, err := testutil.CreateRandomTarFile()
if err != nil {
t.Fatalf("error creating random layer file: %v", err)
}
layerDigest := digest.Digest(tarSumStr)
args := blobArgs{
imageName: "foo/bar",
layerFile: layerFile,
layerDigest: layerDigest,
tarSumStr: tarSumStr,
}
return args
}
@ -393,7 +389,7 @@ func testBlobAPI(t *testing.T, env *testEnv, args blobArgs) *testEnv {
// -----------------------------------------
// Do layer push with an empty body and correct digest
zeroDigest, err := digest.FromTarArchive(bytes.NewReader([]byte{}))
zeroDigest, err := digest.FromReader(bytes.NewReader([]byte{}))
if err != nil {
t.Fatalf("unexpected error digesting empty buffer: %v", err)
}
@ -406,7 +402,7 @@ func testBlobAPI(t *testing.T, env *testEnv, args blobArgs) *testEnv {
// This is a valid but empty tarfile!
emptyTar := bytes.Repeat([]byte("\x00"), 1024)
emptyDigest, err := digest.FromTarArchive(bytes.NewReader(emptyTar))
emptyDigest, err := digest.FromReader(bytes.NewReader(emptyTar))
if err != nil {
t.Fatalf("unexpected error digesting empty tar: %v", err)
}
@ -476,7 +472,7 @@ func testBlobAPI(t *testing.T, env *testEnv, args blobArgs) *testEnv {
// ----------------
// Fetch the layer with an invalid digest
badURL := strings.Replace(layerURL, "tarsum", "trsum", 1)
badURL := strings.Replace(layerURL, "sha256", "sha257", 1)
resp, err = http.Get(badURL)
if err != nil {
t.Fatalf("unexpected error fetching layer: %v", err)
@ -523,7 +519,7 @@ func testBlobAPI(t *testing.T, env *testEnv, args blobArgs) *testEnv {
checkResponse(t, "fetching layer with invalid etag", resp, http.StatusOK)
// Missing tests:
// - Upload the same tarsum file under and different repository and
// - Upload the same tar file under and different repository and
// ensure the content remains uncorrupted.
return env
}
@ -570,7 +566,7 @@ func testBlobDelete(t *testing.T, env *testEnv, args blobArgs) {
// ----------------
// Attempt to delete a layer with an invalid digest
badURL := strings.Replace(layerURL, "tarsum", "trsum", 1)
badURL := strings.Replace(layerURL, "sha256", "sha257", 1)
resp, err = httpDelete(badURL)
if err != nil {
t.Fatalf("unexpected error fetching layer: %v", err)
@ -612,12 +608,11 @@ func TestDeleteDisabled(t *testing.T) {
imageName := "foo/bar"
// "build" our layer file
layerFile, tarSumStr, err := testutil.CreateRandomTarFile()
layerFile, layerDigest, err := testutil.CreateRandomTarFile()
if err != nil {
t.Fatalf("error creating random layer file: %v", err)
}
layerDigest := digest.Digest(tarSumStr)
layerURL, err := env.builder.BuildBlobURL(imageName, layerDigest)
if err != nil {
t.Fatalf("Error building blob URL")
@ -638,12 +633,11 @@ func TestDeleteReadOnly(t *testing.T) {
imageName := "foo/bar"
// "build" our layer file
layerFile, tarSumStr, err := testutil.CreateRandomTarFile()
layerFile, layerDigest, err := testutil.CreateRandomTarFile()
if err != nil {
t.Fatalf("error creating random layer file: %v", err)
}
layerDigest := digest.Digest(tarSumStr)
layerURL, err := env.builder.BuildBlobURL(imageName, layerDigest)
if err != nil {
t.Fatalf("Error building blob URL")