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Merge pull request #9908 from ktock/transfer-host-dir

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Transfer: Registry: Enable to use registry configuration diretory
This commit is contained in:
Derek McGowan 2024-04-02 18:59:43 +00:00 committed by GitHub
commit 3a8c27dff8
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GPG Key ID: B5690EEEBB952194
6 changed files with 124 additions and 63 deletions
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7
api/next.pb.txt
View File

@ -7461,6 +7461,13 @@ file {
type_name: ".containerd.types.transfer.RegistryResolver.HeadersEntry"
json_name: "headers"
}
field {
name: "host_dir"
number: 3
label: LABEL_OPTIONAL
type: TYPE_STRING
json_name: "hostDir"
}
nested_type {
name: "HeadersEntry"
field {

74
api/types/transfer/registry.pb.go
View File

@ -160,6 +160,7 @@ type RegistryResolver struct {
AuthStream string `protobuf:"bytes,1,opt,name=auth_stream,json=authStream,proto3" json:"auth_stream,omitempty"`
// Headers
Headers map[string]string `protobuf:"bytes,2,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
HostDir string `protobuf:"bytes,3,opt,name=host_dir,json=hostDir,proto3" json:"host_dir,omitempty"`
}
func (x *RegistryResolver) Reset() {
@ -208,6 +209,13 @@ func (x *RegistryResolver) GetHeaders() map[string]string {
return nil
}
func (x *RegistryResolver) GetHostDir() string {
if x != nil {
return x.HostDir
}
return ""
}
// AuthRequest is sent as a callback on a stream
type AuthRequest struct {
state protoimpl.MessageState
@ -364,7 +372,7 @@ var file_github_com_containerd_containerd_api_types_transfer_registry_proto_rawD
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@ -373,37 +381,39 @@ var file_github_com_containerd_containerd_api_types_transfer_registry_proto_rawD
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0x74, 0x6f, 0x33,
}
var (

2
api/types/transfer/registry.proto
View File

@ -35,7 +35,7 @@ message RegistryResolver {
// Headers
map<string, string> headers = 2;
// Allow custom hosts dir?
string host_dir = 3;
// Force skip verify
// Force HTTP
// CA callback? Client TLS callback?

5
cmd/ctr/commands/images/pull.go
View File

@ -132,7 +132,10 @@ command. As part of this process, we do the following:
sopts = append(sopts, image.WithAllMetadata)
}
reg := registry.NewOCIRegistry(ref, nil, ch)
reg, err := registry.NewOCIRegistry(ctx, ref, registry.WithCredentials(ch), registry.WithHostDir(context.String("hosts-dir")))
if err != nil {
return err
}
is := image.NewStore(ref, sopts...)
pf, done := ProgressHandler(ctx, os.Stdout)

5
cmd/ctr/commands/images/push.go
View File

@ -104,7 +104,10 @@ var pushCommand = &cli.Command{
if local == "" {
local = ref
}
reg := registry.NewOCIRegistry(ref, nil, ch)
reg, err := registry.NewOCIRegistry(ctx, ref, registry.WithCredentials(ch), registry.WithHostDir(context.String("hosts-dir")))
if err != nil {
return err
}
is := image.NewStore(local)
pf, done := ProgressHandler(ctx, os.Stdout)

94
core/transfer/registry/registry.go
View File

@ -28,6 +28,7 @@ import (
transfertypes "github.com/containerd/containerd/v2/api/types/transfer"
"github.com/containerd/containerd/v2/core/remotes"
"github.com/containerd/containerd/v2/core/remotes/docker"
"github.com/containerd/containerd/v2/core/remotes/docker/config"
"github.com/containerd/containerd/v2/core/streaming"
"github.com/containerd/containerd/v2/core/transfer"
"github.com/containerd/containerd/v2/core/transfer/plugins"
@ -42,37 +43,73 @@ func init() {
plugins.Register(&transfertypes.OCIRegistry{}, &OCIRegistry{})
}
type registryOpts struct {
headers http.Header
creds CredentialHelper
hostDir string
}
// Opt sets registry-related configurations.
type Opt func(o *registryOpts) error
// WithHeaders configures HTTP request header fields sent by the resolver.
func WithHeaders(headers http.Header) Opt {
return func(o *registryOpts) error {
o.headers = headers
return nil
}
}
// WithCredentials configures a helper that provides credentials for a host.
func WithCredentials(creds CredentialHelper) Opt {
return func(o *registryOpts) error {
o.creds = creds
return nil
}
}
// WithHostDir specifies the host configuration directory.
func WithHostDir(hostDir string) Opt {
return func(o *registryOpts) error {
o.hostDir = hostDir
return nil
}
}
// NewOCIRegistry initializes with hosts, authorizer callback, and headers
func NewOCIRegistry(ref string, headers http.Header, creds CredentialHelper) *OCIRegistry {
// Create an authorizer
var aopts []docker.AuthorizerOpt
if creds != nil {
func NewOCIRegistry(ctx context.Context, ref string, opts ...Opt) (*OCIRegistry, error) {
var ropts registryOpts
for _, o := range opts {
if err := o(&ropts); err != nil {
return nil, err
}
}
hostOptions := config.HostOptions{}
if ropts.hostDir != "" {
hostOptions.HostDir = config.HostDirFromRoot(ropts.hostDir)
}
if ropts.creds != nil {
// TODO: Support bearer
aopts = append(aopts, docker.WithAuthCreds(func(host string) (string, string, error) {
c, err := creds.GetCredentials(context.Background(), ref, host)
hostOptions.Credentials = func(host string) (string, string, error) {
c, err := ropts.creds.GetCredentials(context.Background(), ref, host)
if err != nil {
return "", "", err
}
return c.Username, c.Secret, nil
}))
}
}
ropts := []docker.RegistryOpt{
docker.WithAuthorizer(docker.NewDockerAuthorizer(aopts...)),
}
// TODO: Apply local configuration, maybe dynamically create resolver when requested
resolver := docker.NewResolver(docker.ResolverOptions{
Hosts: docker.ConfigureDefaultRegistries(ropts...),
Headers: headers,
Hosts: config.ConfigureHosts(ctx, hostOptions),
Headers: ropts.headers,
})
return &OCIRegistry{
reference: ref,
headers: headers,
creds: creds,
headers: ropts.headers,
creds: ropts.creds,
resolver: resolver,
}
hostDir: ropts.hostDir,
}, nil
}
// From stream
@ -96,6 +133,8 @@ type OCIRegistry struct {
resolver remotes.Resolver
hostDir string
// This could be an interface which returns resolver?
// Resolver could also be a plug-able interface, to call out to a program to fetch?
}
@ -194,6 +233,7 @@ func (r *OCIRegistry) MarshalAny(ctx context.Context, sm streaming.StreamCreator
}()
res.AuthStream = sid
}
res.HostDir = r.hostDir
s := &transfertypes.OCIRegistry{
Reference: r.reference,
Resolver: res,
@ -203,16 +243,16 @@ func (r *OCIRegistry) MarshalAny(ctx context.Context, sm streaming.StreamCreator
}
func (r *OCIRegistry) UnmarshalAny(ctx context.Context, sm streaming.StreamGetter, a typeurl.Any) error {
var (
s transfertypes.OCIRegistry
ropts []docker.RegistryOpt
aopts []docker.AuthorizerOpt
)
var s transfertypes.OCIRegistry
if err := typeurl.UnmarshalTo(a, &s); err != nil {
return err
}
hostOptions := config.HostOptions{}
if s.Resolver != nil {
if s.Resolver.HostDir != "" {
hostOptions.HostDir = config.HostDirFromRoot(s.Resolver.HostDir)
}
if sid := s.Resolver.AuthStream; sid != "" {
stream, err := sm.Get(ctx, sid)
if err != nil {
@ -222,26 +262,24 @@ func (r *OCIRegistry) UnmarshalAny(ctx context.Context, sm streaming.StreamGette
r.creds = &credCallback{
stream: stream,
}
aopts = append(aopts, docker.WithAuthCreds(func(host string) (string, string, error) {
hostOptions.Credentials = func(host string) (string, string, error) {
c, err := r.creds.GetCredentials(context.Background(), s.Reference, host)
if err != nil {
return "", "", err
}
return c.Username, c.Secret, nil
}))
}
}
r.headers = http.Header{}
for k, v := range s.Resolver.Headers {
r.headers.Add(k, v)
}
}
authorizer := docker.NewDockerAuthorizer(aopts...)
ropts = append(ropts, docker.WithAuthorizer(authorizer))
r.reference = s.Reference
r.resolver = docker.NewResolver(docker.ResolverOptions{
Hosts: docker.ConfigureDefaultRegistries(ropts...),
Hosts: config.ConfigureHosts(ctx, hostOptions),
Headers: r.headers,
})