func TestManifestTarsumCache(t *testing.T) {
tmp, err := utils.TestDirectory("")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
store := mkTestTagStore(tmp, t)
defer store.graph.driver.Cleanup()
archive, err := fakeTar()
if err != nil {
t.Fatal(err)
}
img := &image.Image{ID: testManifestImageID}
if err := store.graph.Register(img, archive); err != nil {
t.Fatal(err)
}
if err := store.Tag(testManifestImageName, testManifestTag, testManifestImageID, false); err != nil {
t.Fatal(err)
}
if cs, err := img.GetCheckSum(store.graph.ImageRoot(testManifestImageID)); err != nil {
t.Fatal(err)
} else if cs != "" {
t.Fatalf("Non-empty checksum file after register")
}
// Generate manifest
payload, err := store.newManifest(testManifestImageName, testManifestImageName, testManifestTag)
if err != nil {
t.Fatal(err)
}
manifestChecksum, err := img.GetCheckSum(store.graph.ImageRoot(testManifestImageID))
if err != nil {
t.Fatal(err)
}
var manifest registry.ManifestData
if err := json.Unmarshal(payload, &manifest); err != nil {
t.Fatalf("error unmarshalling manifest: %s", err)
}
if len(manifest.FSLayers) != 1 {
t.Fatalf("Unexpected number of layers, expecting 1: %d", len(manifest.FSLayers))
}
if manifest.FSLayers[0].BlobSum != manifestChecksum {
t.Fatalf("Unexpected blob sum, expecting %q, got %q", manifestChecksum, manifest.FSLayers[0].BlobSum)
}
if len(manifest.History) != 1 {
t.Fatalf("Unexpected number of layer history, expecting 1: %d", len(manifest.History))
}
v1compat, err := img.RawJson()
if err != nil {
t.Fatal(err)
}
if manifest.History[0].V1Compatibility != string(v1compat) {
t.Fatalf("Unexpected json value\nExpected:\n%s\nActual:\n%s", v1compat, manifest.History[0].V1Compatibility)
}
}
// TestManifestDigestCheck ensures that loadManifest properly verifies the
// remote and local digest.
func TestManifestDigestCheck(t *testing.T) {
tmp, err := utils.TestDirectory("")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
store := mkTestTagStore(tmp, t)
defer store.graph.driver.Cleanup()
archive, err := fakeTar()
if err != nil {
t.Fatal(err)
}
img := &image.Image{ID: testManifestImageID}
if err := store.graph.Register(img, archive); err != nil {
t.Fatal(err)
}
if err := store.Tag(testManifestImageName, testManifestTag, testManifestImageID, false); err != nil {
t.Fatal(err)
}
if cs, err := img.GetCheckSum(store.graph.ImageRoot(testManifestImageID)); err != nil {
t.Fatal(err)
} else if cs != "" {
t.Fatalf("Non-empty checksum file after register")
}
// Generate manifest
payload, err := store.newManifest(testManifestImageName, testManifestImageName, testManifestTag)
if err != nil {
t.Fatalf("unexpected error generating test manifest: %v", err)
}
pk, err := libtrust.GenerateECP256PrivateKey()
if err != nil {
t.Fatalf("unexpected error generating private key: %v", err)
}
sig, err := libtrust.NewJSONSignature(payload)
if err != nil {
t.Fatalf("error creating signature: %v", err)
}
if err := sig.Sign(pk); err != nil {
t.Fatalf("error signing manifest bytes: %v", err)
}
signedBytes, err := sig.PrettySignature("signatures")
if err != nil {
t.Fatalf("error getting signed bytes: %v", err)
}
dgst, err := digest.FromBytes(payload)
if err != nil {
t.Fatalf("error getting digest of manifest: %v", err)
}
// use this as the "bad" digest
zeroDigest, err := digest.FromBytes([]byte{})
if err != nil {
t.Fatalf("error making zero digest: %v", err)
}
// Remote and local match, everything should look good
local, _, _, err := store.loadManifest(signedBytes, dgst.String(), dgst)
if err != nil {
t.Fatalf("unexpected error verifying local and remote digest: %v", err)
}
if local != dgst {
t.Fatalf("local digest not correctly calculated: %v", err)
}
// remote and no local, since pulling by tag
local, _, _, err = store.loadManifest(signedBytes, "tag", dgst)
if err != nil {
t.Fatalf("unexpected error verifying tag pull and remote digest: %v", err)
}
if local != dgst {
t.Fatalf("local digest not correctly calculated: %v", err)
}
// remote and differing local, this is the most important to fail
local, _, _, err = store.loadManifest(signedBytes, zeroDigest.String(), dgst)
if err == nil {
t.Fatalf("error expected when verifying with differing local digest")
}
// no remote, no local (by tag)
local, _, _, err = store.loadManifest(signedBytes, "tag", "")
if err != nil {
t.Fatalf("unexpected error verifying manifest without remote digest: %v", err)
}
if local != dgst {
t.Fatalf("local digest not correctly calculated: %v", err)
}
// no remote, with local
local, _, _, err = store.loadManifest(signedBytes, dgst.String(), "")
if err != nil {
t.Fatalf("unexpected error verifying manifest without remote digest: %v", err)
}
if local != dgst {
t.Fatalf("local digest not correctly calculated: %v", err)
}
// bad remote, we fail the check.
local, _, _, err = store.loadManifest(signedBytes, dgst.String(), zeroDigest)
if err == nil {
t.Fatalf("error expected when verifying with differing remote digest")
}
}
func TestLookupImage(t *testing.T) {
tmp, err := utils.TestDirectory("")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
store := mkTestTagStore(tmp, t)
defer store.graph.driver.Cleanup()
officialLookups := []string{
testOfficialImageID,
testOfficialImageIDShort,
testOfficialImageName + ":" + testOfficialImageID,
testOfficialImageName + ":" + testOfficialImageIDShort,
testOfficialImageName,
testOfficialImageName + ":" + DEFAULTTAG,
"docker.io/" + testOfficialImageName,
"docker.io/" + testOfficialImageName + ":" + DEFAULTTAG,
"index.docker.io/" + testOfficialImageName,
"index.docker.io/" + testOfficialImageName + ":" + DEFAULTTAG,
"library/" + testOfficialImageName,
"library/" + testOfficialImageName + ":" + DEFAULTTAG,
"docker.io/library/" + testOfficialImageName,
"docker.io/library/" + testOfficialImageName + ":" + DEFAULTTAG,
"index.docker.io/library/" + testOfficialImageName,
"index.docker.io/library/" + testOfficialImageName + ":" + DEFAULTTAG,
}
privateLookups := []string{
testPrivateImageID,
testPrivateImageIDShort,
testPrivateImageName + ":" + testPrivateImageID,
testPrivateImageName + ":" + testPrivateImageIDShort,
testPrivateImageName,
testPrivateImageName + ":" + DEFAULTTAG,
}
invalidLookups := []string{
testOfficialImageName + ":" + "fail",
"fail:fail",
}
digestLookups := []string{
testPrivateImageName + "@" + testPrivateImageDigest,
}
for _, name := range officialLookups {
if img, err := store.LookupImage(name); err != nil {
t.Errorf("Error looking up %s: %s", name, err)
} else if img == nil {
t.Errorf("Expected 1 image, none found: %s", name)
} else if img.ID != testOfficialImageID {
t.Errorf("Expected ID '%s' found '%s'", testOfficialImageID, img.ID)
}
}
for _, name := range privateLookups {
if img, err := store.LookupImage(name); err != nil {
t.Errorf("Error looking up %s: %s", name, err)
} else if img == nil {
t.Errorf("Expected 1 image, none found: %s", name)
} else if img.ID != testPrivateImageID {
t.Errorf("Expected ID '%s' found '%s'", testPrivateImageID, img.ID)
}
}
for _, name := range invalidLookups {
if img, err := store.LookupImage(name); err == nil {
t.Errorf("Expected error, none found: %s", name)
} else if img != nil {
t.Errorf("Expected 0 image, 1 found: %s", name)
}
}
for _, name := range digestLookups {
if img, err := store.LookupImage(name); err != nil {
t.Errorf("Error looking up %s: %s", name, err)
} else if img == nil {
t.Errorf("Expected 1 image, none found: %s", name)
} else if img.ID != testPrivateImageID {
t.Errorf("Expected ID '%s' found '%s'", testPrivateImageID, img.ID)
}
}
}