// Attach prepares a streaming endpoint to attach to a running container, and returns the address.
func (ds *dockerService) Attach(req *runtimeapi.AttachRequest) (*runtimeapi.AttachResponse, error) {
if ds.streamingServer == nil {
return nil, streaming.ErrorStreamingDisabled("attach")
}
_, err := checkContainerStatus(ds.client, req.GetContainerId())
if err != nil {
return nil, err
}
return ds.streamingServer.GetAttach(req)
}
func (s *server) GetAttach(req *runtimeapi.AttachRequest, tty bool) (*runtimeapi.AttachResponse, error) {
url := s.buildURL("attach", req.GetContainerId(), streamOpts{
stdin: req.GetStdin(),
stdout: true,
stderr: !tty, // For TTY connections, both stderr is combined with stdout.
tty: tty,
})
return &runtimeapi.AttachResponse{
Url: &url,
}, nil
}
// Attach prepares a streaming endpoint to attach to a running container, and returns the address.
func (r *RemoteRuntimeService) Attach(req *runtimeApi.AttachRequest) (*runtimeApi.AttachResponse, error) {
ctx, cancel := getContextWithTimeout(r.timeout)
defer cancel()
resp, err := r.runtimeClient.Attach(ctx, req)
if err != nil {
glog.Errorf("Attach %s from runtime service failed: %v", req.GetContainerId(), err)
return nil, err
}
return resp, nil
}
func (s *server) GetAttach(req *runtimeapi.AttachRequest) (*runtimeapi.AttachResponse, error) {
if req.GetContainerId() == "" {
return nil, grpc.Errorf(codes.InvalidArgument, "missing required container_id")
}
token, err := s.cache.Insert(req)
if err != nil {
return nil, err
}
return &runtimeapi.AttachResponse{
Url: s.buildURL("attach", token),
}, nil
}
func (r *FakeRuntime) Attach(req *runtimeApi.AttachRequest) (*runtimeApi.AttachResponse, error) {
url := "http://" + FakeStreamingHost + ":" + FakeStreamingPort + "/attach/" + req.GetContainerId()
return &runtimeApi.AttachResponse{
Url: &url,
}, nil
}