Open stdin write side in shim

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2017-03-24 14:03:26 -07:00
parent 379bd95a3c
commit b1fcb1745f
4 changed files with 32 additions and 0 deletions
--- a/linux/shim/io.go
+++ b/linux/shim/io.go
@@ -68,6 +68,9 @@ func copyPipes(ctx context.Context, rio runc.IO, stdin, stdout, stderr string, w
 		}
 		dest(fw, fr)
 	}
+	if stdin == "" {
+		return nil
+	}
 	f, err := fifo.OpenFifo(ctx, stdin, syscall.O_RDONLY, 0)
 	if err != nil {
 		return fmt.Errorf("containerd-shim: opening %s failed: %s", stdin, err)