mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
registry: remove v1 code not related to searching
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
parent
0ba2d7c625
commit
3f7c62f6f6
3 changed files with 5 additions and 770 deletions
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@ -7,14 +7,6 @@ import (
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"github.com/docker/docker/errdefs"
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)
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type notFoundError string
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func (e notFoundError) Error() string {
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return string(e)
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}
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func (notFoundError) NotFound() {}
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func translateV2AuthError(err error) error {
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switch e := err.(type) {
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case *url.Error:
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@ -1,10 +1,8 @@
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package registry // import "github.com/docker/docker/registry"
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import (
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"fmt"
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"net/http"
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"net/http/httputil"
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"net/url"
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"os"
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"strings"
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"testing"
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@ -17,15 +15,6 @@ import (
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"gotest.tools/v3/skip"
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)
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var (
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token = []string{"fake-token"}
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)
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const (
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imageID = "42d718c941f5c532ac049bf0b0ab53f0062f09a03afd4aa4a02c098e46032b9d"
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REPO = "foo42/bar"
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)
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func spawnTestRegistrySession(t *testing.T) *Session {
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authConfig := &types.AuthConfig{}
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endpoint, err := NewV1Endpoint(makeIndex("/v1/"), "", nil)
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@ -50,7 +39,7 @@ func spawnTestRegistrySession(t *testing.T) *Session {
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// Because we know that the client's transport is an `*authTransport` we simply cast it,
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// in order to set the internal cached token to the fake token, and thus send that fake token
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// upon every subsequent requests.
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r.client.Transport.(*authTransport).token = token
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r.client.Transport.(*authTransport).token = []string{"fake-token"}
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return r
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}
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@ -148,153 +137,6 @@ func TestEndpoint(t *testing.T) {
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}
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}
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func TestGetRemoteHistory(t *testing.T) {
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r := spawnTestRegistrySession(t)
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hist, err := r.GetRemoteHistory(imageID, makeURL("/v1/"))
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if err != nil {
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t.Fatal(err)
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}
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assertEqual(t, len(hist), 2, "Expected 2 images in history")
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assertEqual(t, hist[0], imageID, "Expected "+imageID+"as first ancestry")
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assertEqual(t, hist[1], "77dbf71da1d00e3fbddc480176eac8994025630c6590d11cfc8fe1209c2a1d20",
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"Unexpected second ancestry")
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}
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func TestLookupRemoteImage(t *testing.T) {
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r := spawnTestRegistrySession(t)
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err := r.LookupRemoteImage(imageID, makeURL("/v1/"))
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assertEqual(t, err, nil, "Expected error of remote lookup to nil")
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if err := r.LookupRemoteImage("abcdef", makeURL("/v1/")); err == nil {
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t.Fatal("Expected error of remote lookup to not nil")
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}
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}
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func TestGetRemoteImageJSON(t *testing.T) {
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r := spawnTestRegistrySession(t)
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json, size, err := r.GetRemoteImageJSON(imageID, makeURL("/v1/"))
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if err != nil {
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t.Fatal(err)
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}
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assertEqual(t, size, int64(154), "Expected size 154")
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if len(json) == 0 {
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t.Fatal("Expected non-empty json")
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}
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_, _, err = r.GetRemoteImageJSON("abcdef", makeURL("/v1/"))
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if err == nil {
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t.Fatal("Expected image not found error")
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}
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}
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func TestGetRemoteImageLayer(t *testing.T) {
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r := spawnTestRegistrySession(t)
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data, err := r.GetRemoteImageLayer(imageID, makeURL("/v1/"), 0)
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if err != nil {
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t.Fatal(err)
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}
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if data == nil {
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t.Fatal("Expected non-nil data result")
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}
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_, err = r.GetRemoteImageLayer("abcdef", makeURL("/v1/"), 0)
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if err == nil {
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t.Fatal("Expected image not found error")
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}
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}
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func TestGetRemoteTag(t *testing.T) {
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r := spawnTestRegistrySession(t)
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repoRef, err := reference.ParseNormalizedNamed(REPO)
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if err != nil {
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t.Fatal(err)
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}
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tag, err := r.GetRemoteTag([]string{makeURL("/v1/")}, repoRef, "test")
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if err != nil {
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t.Fatal(err)
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}
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assertEqual(t, tag, imageID, "Expected tag test to map to "+imageID)
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bazRef, err := reference.ParseNormalizedNamed("foo42/baz")
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if err != nil {
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t.Fatal(err)
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}
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_, err = r.GetRemoteTag([]string{makeURL("/v1/")}, bazRef, "foo")
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if err != ErrRepoNotFound {
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t.Fatal("Expected ErrRepoNotFound error when fetching tag for bogus repo")
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}
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}
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func TestGetRemoteTags(t *testing.T) {
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r := spawnTestRegistrySession(t)
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repoRef, err := reference.ParseNormalizedNamed(REPO)
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if err != nil {
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t.Fatal(err)
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}
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tags, err := r.GetRemoteTags([]string{makeURL("/v1/")}, repoRef)
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if err != nil {
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t.Fatal(err)
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}
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assertEqual(t, len(tags), 2, "Expected two tags")
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assertEqual(t, tags["latest"], imageID, "Expected tag latest to map to "+imageID)
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assertEqual(t, tags["test"], imageID, "Expected tag test to map to "+imageID)
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bazRef, err := reference.ParseNormalizedNamed("foo42/baz")
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if err != nil {
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t.Fatal(err)
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}
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_, err = r.GetRemoteTags([]string{makeURL("/v1/")}, bazRef)
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if err != ErrRepoNotFound {
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t.Fatal("Expected ErrRepoNotFound error when fetching tags for bogus repo")
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}
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}
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func TestGetRepositoryData(t *testing.T) {
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r := spawnTestRegistrySession(t)
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parsedURL, err := url.Parse(makeURL("/v1/"))
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if err != nil {
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t.Fatal(err)
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}
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host := "http://" + parsedURL.Host + "/v1/"
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repoRef, err := reference.ParseNormalizedNamed(REPO)
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if err != nil {
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t.Fatal(err)
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}
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data, err := r.GetRepositoryData(repoRef)
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if err != nil {
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t.Fatal(err)
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}
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assertEqual(t, len(data.ImgList), 2, "Expected 2 images in ImgList")
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assertEqual(t, len(data.Endpoints), 2,
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fmt.Sprintf("Expected 2 endpoints in Endpoints, found %d instead", len(data.Endpoints)))
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assertEqual(t, data.Endpoints[0], host,
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fmt.Sprintf("Expected first endpoint to be %s but found %s instead", host, data.Endpoints[0]))
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assertEqual(t, data.Endpoints[1], "http://test.example.com/v1/",
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fmt.Sprintf("Expected first endpoint to be http://test.example.com/v1/ but found %s instead", data.Endpoints[1]))
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}
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func TestPushImageJSONRegistry(t *testing.T) {
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r := spawnTestRegistrySession(t)
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imgData := &ImgData{
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ID: "77dbf71da1d00e3fbddc480176eac8994025630c6590d11cfc8fe1209c2a1d20",
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Checksum: "sha256:1ac330d56e05eef6d438586545ceff7550d3bdcb6b19961f12c5ba714ee1bb37",
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}
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err := r.PushImageJSONRegistry(imgData, []byte{0x42, 0xdf, 0x0}, makeURL("/v1/"))
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestPushImageLayerRegistry(t *testing.T) {
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r := spawnTestRegistrySession(t)
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layer := strings.NewReader("")
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_, _, err := r.PushImageLayerRegistry(imageID, layer, makeURL("/v1/"), []byte{})
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestParseRepositoryInfo(t *testing.T) {
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type staticRepositoryInfo struct {
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Index *registrytypes.IndexInfo
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@ -701,50 +543,6 @@ func TestMirrorEndpointLookup(t *testing.T) {
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}
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}
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func TestPushRegistryTag(t *testing.T) {
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r := spawnTestRegistrySession(t)
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repoRef, err := reference.ParseNormalizedNamed(REPO)
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if err != nil {
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t.Fatal(err)
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}
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err = r.PushRegistryTag(repoRef, imageID, "stable", makeURL("/v1/"))
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestPushImageJSONIndex(t *testing.T) {
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r := spawnTestRegistrySession(t)
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imgData := []*ImgData{
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{
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ID: "77dbf71da1d00e3fbddc480176eac8994025630c6590d11cfc8fe1209c2a1d20",
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Checksum: "sha256:1ac330d56e05eef6d438586545ceff7550d3bdcb6b19961f12c5ba714ee1bb37",
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},
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{
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ID: "42d718c941f5c532ac049bf0b0ab53f0062f09a03afd4aa4a02c098e46032b9d",
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Checksum: "sha256:bea7bf2e4bacd479344b737328db47b18880d09096e6674165533aa994f5e9f2",
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},
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}
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repoRef, err := reference.ParseNormalizedNamed(REPO)
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if err != nil {
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t.Fatal(err)
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}
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repoData, err := r.PushImageJSONIndex(repoRef, imgData, false, nil)
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if err != nil {
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t.Fatal(err)
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}
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if repoData == nil {
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t.Fatal("Expected RepositoryData object")
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}
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repoData, err = r.PushImageJSONIndex(repoRef, imgData, true, []string{r.indexEndpoint.String()})
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if err != nil {
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t.Fatal(err)
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}
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if repoData == nil {
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t.Fatal("Expected RepositoryData object")
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}
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}
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func TestSearchRepositories(t *testing.T) {
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r := spawnTestRegistrySession(t)
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results, err := r.SearchRepositories("fakequery", 25)
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@ -1,43 +1,26 @@
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package registry // import "github.com/docker/docker/registry"
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import (
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"bytes"
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"crypto/sha256"
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// this is required for some certificates
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_ "crypto/sha512"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"net/http/cookiejar"
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"net/url"
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"strconv"
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"strings"
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"sync"
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"github.com/docker/distribution/reference"
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"github.com/docker/distribution/registry/api/errcode"
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"github.com/docker/docker/api/types"
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registrytypes "github.com/docker/docker/api/types/registry"
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"github.com/docker/docker/errdefs"
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"github.com/docker/docker/pkg/ioutils"
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"github.com/docker/docker/pkg/jsonmessage"
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"github.com/docker/docker/pkg/stringid"
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"github.com/docker/docker/pkg/tarsum"
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"github.com/docker/docker/registry/resumable"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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var (
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// ErrRepoNotFound is returned if the repository didn't exist on the
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// remote side
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ErrRepoNotFound notFoundError = "Repository not found"
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)
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// A Session is used to communicate with a V1 registry
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type Session struct {
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indexEndpoint *V1Endpoint
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@ -214,527 +197,6 @@ func NewSession(client *http.Client, authConfig *types.AuthConfig, endpoint *V1E
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return newSession(client, authConfig, endpoint), nil
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}
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// ID returns this registry session's ID.
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func (r *Session) ID() string {
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return r.id
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}
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// GetRemoteHistory retrieves the history of a given image from the registry.
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// It returns a list of the parent's JSON files (including the requested image).
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func (r *Session) GetRemoteHistory(imgID, registry string) ([]string, error) {
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res, err := r.client.Get(registry + "images/" + imgID + "/ancestry")
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if err != nil {
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return nil, err
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}
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defer res.Body.Close()
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if res.StatusCode != http.StatusOK {
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if res.StatusCode == http.StatusUnauthorized {
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return nil, errcode.ErrorCodeUnauthorized.WithArgs()
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}
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return nil, newJSONError(fmt.Sprintf("Server error: %d trying to fetch remote history for %s", res.StatusCode, imgID), res)
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}
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var history []string
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if err := json.NewDecoder(res.Body).Decode(&history); err != nil {
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return nil, fmt.Errorf("Error while reading the http response: %v", err)
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}
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logrus.Debugf("Ancestry: %v", history)
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return history, nil
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}
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// LookupRemoteImage checks if an image exists in the registry
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func (r *Session) LookupRemoteImage(imgID, registry string) error {
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res, err := r.client.Get(registry + "images/" + imgID + "/json")
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if err != nil {
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return err
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}
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res.Body.Close()
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if res.StatusCode != http.StatusOK {
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return newJSONError(fmt.Sprintf("HTTP code %d", res.StatusCode), res)
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}
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return nil
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}
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// GetRemoteImageJSON retrieves an image's JSON metadata from the registry.
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func (r *Session) GetRemoteImageJSON(imgID, registry string) ([]byte, int64, error) {
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res, err := r.client.Get(registry + "images/" + imgID + "/json")
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if err != nil {
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return nil, -1, fmt.Errorf("Failed to download json: %s", err)
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}
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defer res.Body.Close()
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if res.StatusCode != http.StatusOK {
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return nil, -1, newJSONError(fmt.Sprintf("HTTP code %d", res.StatusCode), res)
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}
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// if the size header is not present, then set it to '-1'
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imageSize := int64(-1)
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if hdr := res.Header.Get("X-Docker-Size"); hdr != "" {
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imageSize, err = strconv.ParseInt(hdr, 10, 64)
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if err != nil {
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return nil, -1, err
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}
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}
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jsonString, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return nil, -1, fmt.Errorf("Failed to parse downloaded json: %v (%s)", err, jsonString)
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}
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return jsonString, imageSize, nil
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}
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// GetRemoteImageLayer retrieves an image layer from the registry
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func (r *Session) GetRemoteImageLayer(imgID, registry string, imgSize int64) (io.ReadCloser, error) {
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var (
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statusCode = 0
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res *http.Response
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err error
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imageURL = fmt.Sprintf("%simages/%s/layer", registry, imgID)
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)
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req, err := http.NewRequest(http.MethodGet, imageURL, nil)
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if err != nil {
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return nil, fmt.Errorf("Error while getting from the server: %v", err)
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}
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res, err = r.client.Do(req)
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if err != nil {
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logrus.Debugf("Error contacting registry %s: %v", registry, err)
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// the only case err != nil && res != nil is https://golang.org/src/net/http/client.go#L515
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if res != nil {
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if res.Body != nil {
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res.Body.Close()
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}
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statusCode = res.StatusCode
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}
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return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
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statusCode, imgID)
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}
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if res.StatusCode != http.StatusOK {
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res.Body.Close()
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return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
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res.StatusCode, imgID)
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}
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if res.Header.Get("Accept-Ranges") == "bytes" && imgSize > 0 {
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logrus.Debug("server supports resume")
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return resumable.NewRequestReaderWithInitialResponse(r.client, req, 5, imgSize, res), nil
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}
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logrus.Debug("server doesn't support resume")
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return res.Body, nil
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}
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// GetRemoteTag retrieves the tag named in the askedTag argument from the given
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// repository. It queries each of the registries supplied in the registries
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// argument, and returns data from the first one that answers the query
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// successfully.
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func (r *Session) GetRemoteTag(registries []string, repositoryRef reference.Named, askedTag string) (string, error) {
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repository := reference.Path(repositoryRef)
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if strings.Count(repository, "/") == 0 {
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// This will be removed once the registry supports auto-resolution on
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// the "library" namespace
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repository = "library/" + repository
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}
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for _, host := range registries {
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endpoint := fmt.Sprintf("%srepositories/%s/tags/%s", host, repository, askedTag)
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res, err := r.client.Get(endpoint)
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if err != nil {
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return "", err
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}
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logrus.Debugf("Got status code %d from %s", res.StatusCode, endpoint)
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defer res.Body.Close()
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if res.StatusCode == 404 {
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return "", ErrRepoNotFound
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}
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if res.StatusCode != http.StatusOK {
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continue
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}
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var tagID string
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if err := json.NewDecoder(res.Body).Decode(&tagID); err != nil {
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return "", err
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}
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return tagID, nil
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}
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return "", fmt.Errorf("Could not reach any registry endpoint")
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}
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|
||||
// GetRemoteTags retrieves all tags from the given repository. It queries each
|
||||
// of the registries supplied in the registries argument, and returns data from
|
||||
// the first one that answers the query successfully. It returns a map with
|
||||
// tag names as the keys and image IDs as the values.
|
||||
func (r *Session) GetRemoteTags(registries []string, repositoryRef reference.Named) (map[string]string, error) {
|
||||
repository := reference.Path(repositoryRef)
|
||||
|
||||
if strings.Count(repository, "/") == 0 {
|
||||
// This will be removed once the registry supports auto-resolution on
|
||||
// the "library" namespace
|
||||
repository = "library/" + repository
|
||||
}
|
||||
for _, host := range registries {
|
||||
endpoint := fmt.Sprintf("%srepositories/%s/tags", host, repository)
|
||||
res, err := r.client.Get(endpoint)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
logrus.Debugf("Got status code %d from %s", res.StatusCode, endpoint)
|
||||
defer res.Body.Close()
|
||||
|
||||
if res.StatusCode == 404 {
|
||||
return nil, ErrRepoNotFound
|
||||
}
|
||||
if res.StatusCode != http.StatusOK {
|
||||
continue
|
||||
}
|
||||
|
||||
result := make(map[string]string)
|
||||
if err := json.NewDecoder(res.Body).Decode(&result); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return result, nil
|
||||
}
|
||||
return nil, fmt.Errorf("Could not reach any registry endpoint")
|
||||
}
|
||||
|
||||
func buildEndpointsList(headers []string, indexEp string) ([]string, error) {
|
||||
var endpoints []string
|
||||
parsedURL, err := url.Parse(indexEp)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var urlScheme = parsedURL.Scheme
|
||||
// The registry's URL scheme has to match the Index'
|
||||
for _, ep := range headers {
|
||||
epList := strings.Split(ep, ",")
|
||||
for _, epListElement := range epList {
|
||||
endpoints = append(
|
||||
endpoints,
|
||||
fmt.Sprintf("%s://%s/v1/", urlScheme, strings.TrimSpace(epListElement)))
|
||||
}
|
||||
}
|
||||
return endpoints, nil
|
||||
}
|
||||
|
||||
// GetRepositoryData returns lists of images and endpoints for the repository
|
||||
func (r *Session) GetRepositoryData(name reference.Named) (*RepositoryData, error) {
|
||||
repositoryTarget := fmt.Sprintf("%srepositories/%s/images", r.indexEndpoint.String(), reference.Path(name))
|
||||
|
||||
logrus.Debugf("[registry] Calling GET %s", repositoryTarget)
|
||||
|
||||
req, err := http.NewRequest(http.MethodGet, repositoryTarget, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
// this will set basic auth in r.client.Transport and send cached X-Docker-Token headers for all subsequent requests
|
||||
req.Header.Set("X-Docker-Token", "true")
|
||||
res, err := r.client.Do(req)
|
||||
if err != nil {
|
||||
// check if the error is because of i/o timeout
|
||||
// and return a non-obtuse error message for users
|
||||
// "Get https://index.docker.io/v1/repositories/library/busybox/images: i/o timeout"
|
||||
// was a top search on the docker user forum
|
||||
if isTimeout(err) {
|
||||
return nil, fmt.Errorf("network timed out while trying to connect to %s. You may want to check your internet connection or if you are behind a proxy", repositoryTarget)
|
||||
}
|
||||
return nil, fmt.Errorf("Error while pulling image: %v", err)
|
||||
}
|
||||
defer res.Body.Close()
|
||||
if res.StatusCode == http.StatusUnauthorized {
|
||||
return nil, errcode.ErrorCodeUnauthorized.WithArgs()
|
||||
}
|
||||
// TODO: Right now we're ignoring checksums in the response body.
|
||||
// In the future, we need to use them to check image validity.
|
||||
if res.StatusCode == 404 {
|
||||
return nil, newJSONError(fmt.Sprintf("HTTP code: %d", res.StatusCode), res)
|
||||
} else if res.StatusCode != http.StatusOK {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
logrus.Debugf("Error reading response body: %s", err)
|
||||
}
|
||||
return nil, newJSONError(fmt.Sprintf("Error: Status %d trying to pull repository %s: %q", res.StatusCode, reference.Path(name), errBody), res)
|
||||
}
|
||||
|
||||
var endpoints []string
|
||||
if res.Header.Get("X-Docker-Endpoints") != "" {
|
||||
endpoints, err = buildEndpointsList(res.Header["X-Docker-Endpoints"], r.indexEndpoint.String())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else {
|
||||
// Assume the endpoint is on the same host
|
||||
endpoints = append(endpoints, fmt.Sprintf("%s://%s/v1/", r.indexEndpoint.URL.Scheme, req.URL.Host))
|
||||
}
|
||||
|
||||
remoteChecksums := []*ImgData{}
|
||||
if err := json.NewDecoder(res.Body).Decode(&remoteChecksums); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Forge a better object from the retrieved data
|
||||
imgsData := make(map[string]*ImgData, len(remoteChecksums))
|
||||
for _, elem := range remoteChecksums {
|
||||
imgsData[elem.ID] = elem
|
||||
}
|
||||
|
||||
return &RepositoryData{
|
||||
ImgList: imgsData,
|
||||
Endpoints: endpoints,
|
||||
}, nil
|
||||
}
|
||||
|
||||
// PushImageChecksumRegistry uploads checksums for an image
|
||||
func (r *Session) PushImageChecksumRegistry(imgData *ImgData, registry string) error {
|
||||
u := registry + "images/" + imgData.ID + "/checksum"
|
||||
|
||||
logrus.Debugf("[registry] Calling PUT %s", u)
|
||||
|
||||
req, err := http.NewRequest(http.MethodPut, u, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
req.Header.Set("X-Docker-Checksum", imgData.Checksum)
|
||||
req.Header.Set("X-Docker-Checksum-Payload", imgData.ChecksumPayload)
|
||||
|
||||
res, err := r.client.Do(req)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Failed to upload metadata: %v", err)
|
||||
}
|
||||
defer res.Body.Close()
|
||||
if len(res.Cookies()) > 0 {
|
||||
r.client.Jar.SetCookies(req.URL, res.Cookies())
|
||||
}
|
||||
if res.StatusCode != http.StatusOK {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return fmt.Errorf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err)
|
||||
}
|
||||
var jsonBody map[string]string
|
||||
if err := json.Unmarshal(errBody, &jsonBody); err != nil {
|
||||
errBody = []byte(err.Error())
|
||||
} else if jsonBody["error"] == "Image already exists" {
|
||||
return ErrAlreadyExists
|
||||
}
|
||||
return fmt.Errorf("HTTP code %d while uploading metadata: %q", res.StatusCode, errBody)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// PushImageJSONRegistry pushes JSON metadata for a local image to the registry
|
||||
func (r *Session) PushImageJSONRegistry(imgData *ImgData, jsonRaw []byte, registry string) error {
|
||||
|
||||
u := registry + "images/" + imgData.ID + "/json"
|
||||
|
||||
logrus.Debugf("[registry] Calling PUT %s", u)
|
||||
|
||||
req, err := http.NewRequest(http.MethodPut, u, bytes.NewReader(jsonRaw))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
req.Header.Add("Content-type", "application/json")
|
||||
|
||||
res, err := r.client.Do(req)
|
||||
if err != nil {
|
||||
return fmt.Errorf("Failed to upload metadata: %s", err)
|
||||
}
|
||||
defer res.Body.Close()
|
||||
if res.StatusCode == http.StatusUnauthorized && strings.HasPrefix(registry, "http://") {
|
||||
return newJSONError("HTTP code 401, Docker will not send auth headers over HTTP.", res)
|
||||
}
|
||||
if res.StatusCode != http.StatusOK {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return newJSONError(fmt.Sprintf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err), res)
|
||||
}
|
||||
var jsonBody map[string]string
|
||||
if err := json.Unmarshal(errBody, &jsonBody); err != nil {
|
||||
errBody = []byte(err.Error())
|
||||
} else if jsonBody["error"] == "Image already exists" {
|
||||
return ErrAlreadyExists
|
||||
}
|
||||
return newJSONError(fmt.Sprintf("HTTP code %d while uploading metadata: %q", res.StatusCode, errBody), res)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// PushImageLayerRegistry sends the checksum of an image layer to the registry
|
||||
func (r *Session) PushImageLayerRegistry(imgID string, layer io.Reader, registry string, jsonRaw []byte) (checksum string, checksumPayload string, err error) {
|
||||
u := registry + "images/" + imgID + "/layer"
|
||||
|
||||
logrus.Debugf("[registry] Calling PUT %s", u)
|
||||
|
||||
tarsumLayer, err := tarsum.NewTarSum(layer, false, tarsum.Version0)
|
||||
if err != nil {
|
||||
return "", "", err
|
||||
}
|
||||
h := sha256.New()
|
||||
h.Write(jsonRaw)
|
||||
h.Write([]byte{'\n'})
|
||||
checksumLayer := io.TeeReader(tarsumLayer, h)
|
||||
|
||||
req, err := http.NewRequest(http.MethodPut, u, checksumLayer)
|
||||
if err != nil {
|
||||
return "", "", err
|
||||
}
|
||||
req.Header.Add("Content-Type", "application/octet-stream")
|
||||
req.ContentLength = -1
|
||||
req.TransferEncoding = []string{"chunked"}
|
||||
res, err := r.client.Do(req)
|
||||
if err != nil {
|
||||
return "", "", fmt.Errorf("Failed to upload layer: %v", err)
|
||||
}
|
||||
if rc, ok := layer.(io.Closer); ok {
|
||||
if err := rc.Close(); err != nil {
|
||||
return "", "", err
|
||||
}
|
||||
}
|
||||
defer res.Body.Close()
|
||||
|
||||
if res.StatusCode != http.StatusOK {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
return "", "", newJSONError(fmt.Sprintf("HTTP code %d while uploading metadata and error when trying to parse response body: %s", res.StatusCode, err), res)
|
||||
}
|
||||
return "", "", newJSONError(fmt.Sprintf("Received HTTP code %d while uploading layer: %q", res.StatusCode, errBody), res)
|
||||
}
|
||||
|
||||
checksumPayload = "sha256:" + hex.EncodeToString(h.Sum(nil))
|
||||
return tarsumLayer.Sum(jsonRaw), checksumPayload, nil
|
||||
}
|
||||
|
||||
// PushRegistryTag pushes a tag on the registry.
|
||||
// Remote has the format '<user>/<repo>
|
||||
func (r *Session) PushRegistryTag(remote reference.Named, revision, tag, registry string) error {
|
||||
// "jsonify" the string
|
||||
revision = "\"" + revision + "\""
|
||||
path := fmt.Sprintf("repositories/%s/tags/%s", reference.Path(remote), tag)
|
||||
|
||||
req, err := http.NewRequest(http.MethodPut, registry+path, strings.NewReader(revision))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
req.Header.Add("Content-type", "application/json")
|
||||
req.ContentLength = int64(len(revision))
|
||||
res, err := r.client.Do(req)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
res.Body.Close()
|
||||
if res.StatusCode != http.StatusOK && res.StatusCode != http.StatusCreated {
|
||||
return newJSONError(fmt.Sprintf("Internal server error: %d trying to push tag %s on %s", res.StatusCode, tag, reference.Path(remote)), res)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// PushImageJSONIndex uploads an image list to the repository
|
||||
func (r *Session) PushImageJSONIndex(remote reference.Named, imgList []*ImgData, validate bool, regs []string) (*RepositoryData, error) {
|
||||
cleanImgList := []*ImgData{}
|
||||
if validate {
|
||||
for _, elem := range imgList {
|
||||
if elem.Checksum != "" {
|
||||
cleanImgList = append(cleanImgList, elem)
|
||||
}
|
||||
}
|
||||
} else {
|
||||
cleanImgList = imgList
|
||||
}
|
||||
|
||||
imgListJSON, err := json.Marshal(cleanImgList)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
var suffix string
|
||||
if validate {
|
||||
suffix = "images"
|
||||
}
|
||||
u := fmt.Sprintf("%srepositories/%s/%s", r.indexEndpoint.String(), reference.Path(remote), suffix)
|
||||
logrus.Debugf("[registry] PUT %s", u)
|
||||
logrus.Debugf("Image list pushed to index:\n%s", imgListJSON)
|
||||
headers := map[string][]string{
|
||||
"Content-type": {"application/json"},
|
||||
// this will set basic auth in r.client.Transport and send cached X-Docker-Token headers for all subsequent requests
|
||||
"X-Docker-Token": {"true"},
|
||||
}
|
||||
if validate {
|
||||
headers["X-Docker-Endpoints"] = regs
|
||||
}
|
||||
|
||||
// Redirect if necessary
|
||||
var res *http.Response
|
||||
for {
|
||||
if res, err = r.putImageRequest(u, headers, imgListJSON); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if !shouldRedirect(res) {
|
||||
break
|
||||
}
|
||||
res.Body.Close()
|
||||
u = res.Header.Get("Location")
|
||||
logrus.Debugf("Redirected to %s", u)
|
||||
}
|
||||
defer res.Body.Close()
|
||||
|
||||
if res.StatusCode == http.StatusUnauthorized {
|
||||
return nil, errcode.ErrorCodeUnauthorized.WithArgs()
|
||||
}
|
||||
|
||||
var tokens, endpoints []string
|
||||
if !validate {
|
||||
if res.StatusCode != http.StatusOK && res.StatusCode != http.StatusCreated {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
logrus.Debugf("Error reading response body: %s", err)
|
||||
}
|
||||
return nil, newJSONError(fmt.Sprintf("Error: Status %d trying to push repository %s: %q", res.StatusCode, reference.Path(remote), errBody), res)
|
||||
}
|
||||
tokens = res.Header["X-Docker-Token"]
|
||||
logrus.Debugf("Auth token: %v", tokens)
|
||||
|
||||
if res.Header.Get("X-Docker-Endpoints") == "" {
|
||||
return nil, fmt.Errorf("Index response didn't contain any endpoints")
|
||||
}
|
||||
endpoints, err = buildEndpointsList(res.Header["X-Docker-Endpoints"], r.indexEndpoint.String())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else {
|
||||
if res.StatusCode != http.StatusNoContent {
|
||||
errBody, err := ioutil.ReadAll(res.Body)
|
||||
if err != nil {
|
||||
logrus.Debugf("Error reading response body: %s", err)
|
||||
}
|
||||
return nil, newJSONError(fmt.Sprintf("Error: Status %d trying to push checksums %s: %q", res.StatusCode, reference.Path(remote), errBody), res)
|
||||
}
|
||||
}
|
||||
|
||||
return &RepositoryData{
|
||||
Endpoints: endpoints,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (r *Session) putImageRequest(u string, headers map[string][]string, body []byte) (*http.Response, error) {
|
||||
req, err := http.NewRequest(http.MethodPut, u, bytes.NewReader(body))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
req.ContentLength = int64(len(body))
|
||||
for k, v := range headers {
|
||||
req.Header[k] = v
|
||||
}
|
||||
response, err := r.client.Do(req)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return response, nil
|
||||
}
|
||||
|
||||
func shouldRedirect(response *http.Response) bool {
|
||||
return response.StatusCode >= 300 && response.StatusCode < 400
|
||||
}
|
||||
|
||||
// SearchRepositories performs a search against the remote repository
|
||||
func (r *Session) SearchRepositories(term string, limit int) (*registrytypes.SearchResults, error) {
|
||||
if limit < 1 || limit > 100 {
|
||||
|
|
@ -755,28 +217,11 @@ func (r *Session) SearchRepositories(term string, limit int) (*registrytypes.Sea
|
|||
}
|
||||
defer res.Body.Close()
|
||||
if res.StatusCode != http.StatusOK {
|
||||
return nil, newJSONError(fmt.Sprintf("Unexpected status code %d", res.StatusCode), res)
|
||||
return nil, &jsonmessage.JSONError{
|
||||
Message: fmt.Sprintf("Unexpected status code %d", res.StatusCode),
|
||||
Code: res.StatusCode,
|
||||
}
|
||||
}
|
||||
result := new(registrytypes.SearchResults)
|
||||
return result, errors.Wrap(json.NewDecoder(res.Body).Decode(result), "error decoding registry search results")
|
||||
}
|
||||
|
||||
func isTimeout(err error) bool {
|
||||
type timeout interface {
|
||||
Timeout() bool
|
||||
}
|
||||
e := err
|
||||
switch urlErr := err.(type) {
|
||||
case *url.Error:
|
||||
e = urlErr.Err
|
||||
}
|
||||
t, ok := e.(timeout)
|
||||
return ok && t.Timeout()
|
||||
}
|
||||
|
||||
func newJSONError(msg string, res *http.Response) error {
|
||||
return &jsonmessage.JSONError{
|
||||
Message: msg,
|
||||
Code: res.StatusCode,
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue