/
container_attach.go
45 lines (37 loc) · 1.45 KB
/
container_attach.go
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package server
import (
"fmt"
"io"
"github.com/cri-o/cri-o/internal/log"
"github.com/cri-o/cri-o/internal/oci"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"k8s.io/client-go/tools/remotecommand"
types "k8s.io/cri-api/pkg/apis/runtime/v1"
)
// Attach prepares a streaming endpoint to attach to a running container.
func (s *Server) Attach(ctx context.Context, req *types.AttachRequest) (*types.AttachResponse, error) {
resp, err := s.getAttach(req)
if err != nil {
return nil, fmt.Errorf("unable to prepare attach endpoint")
}
return resp, nil
}
// Attach endpoint for streaming.Runtime
func (s StreamService) Attach(ctx context.Context, containerID string, inputStream io.Reader, outputStream, errorStream io.WriteCloser, tty bool, resizeChan <-chan remotecommand.TerminalSize) error {
ctx, span := log.StartSpan(ctx)
defer span.End()
c, err := s.runtimeServer.GetContainerFromShortID(ctx, containerID)
if err != nil {
return status.Errorf(codes.NotFound, "could not find container %q: %v", containerID, err)
}
if err := s.runtimeServer.Runtime().UpdateContainerStatus(s.ctx, c); err != nil {
return err
}
cState := c.State()
if !(cState.Status == oci.ContainerStateRunning || cState.Status == oci.ContainerStateCreated) {
return fmt.Errorf("container is not created or running")
}
return s.runtimeServer.Runtime().AttachContainer(s.ctx, c, inputStream, outputStream, errorStream, tty, resizeChan)
}