Print full container spec for debugging.

Signed-off-by: Lantao Liu <lantaol@google.com>

pkg/server/container_create.go

@@ -31,6 +31,7 @@ import (
 	"github.com/containerd/containerd/mount"
 	"github.com/containerd/containerd/namespaces"
 	"github.com/containerd/typeurl"
+	"github.com/davecgh/go-spew/spew"
 	"github.com/golang/glog"
 	imagespec "github.com/opencontainers/image-spec/specs-go/v1"
 	"github.com/opencontainers/runc/libcontainer/devices"
@@ -146,7 +147,7 @@ func (c *criContainerdService) CreateContainer(ctx context.Context, r *runtime.C
 	if err != nil {
 		return nil, fmt.Errorf("failed to generate container %q spec: %v", id, err)
 	}
-	glog.V(4).Infof("Container spec: %+v", spec)
+	glog.V(4).Infof("Container %q spec: %#+v", id, spew.NewFormatter(spec))
 
 	// Set snapshotter before any other options.
 	opts := []containerd.NewContainerOpts{