Add more logs for rdma selector

pkg/factory/factory.go

@@ -158,13 +158,17 @@ func (rf *resourceFactory) GetDeviceFilter(rc *types.ResourceConfig) (interface{
 		if err := json.Unmarshal(*rc.Selectors, netDeviceSelector); err != nil {
 			return nil, fmt.Errorf("error unmarshalling NetDevice selector bytes %v", err)
 		}
+
+		glog.Infof("net device selector for resource %s is %+v", rc.ResourceName, netDeviceSelector)
 		return netDeviceSelector, nil
 	case types.AcceleratorType:
 		accelDeviceSelector := &types.AccelDeviceSelectors{}
 
 		if err := json.Unmarshal(*rc.Selectors, accelDeviceSelector); err != nil {
 			return nil, fmt.Errorf("error unmarshalling Accelerator selector bytes %v", err)
 		}
+
+		glog.Infof("accelerator device selector for resource %s is %+v", rc.ResourceName, accelDeviceSelector)
 		return accelDeviceSelector, nil
 	default:
 		return nil, fmt.Errorf("unable to get deviceFilter, invalid deviceType %s", rc.DeviceType)

pkg/netdevice/netDeviceProvider.go

@@ -16,6 +16,7 @@ package netdevice
 
 import (
 	"fmt"
+	"os"
 	"strconv"
 
 	"github.com/golang/glog"
@@ -174,14 +175,18 @@ func (np *netDeviceProvider) GetFilteredDevices(devices []types.PciDevice, rc *t
 
 	// filter for rdma devices
 	if nf.IsRdma {
+		if _, err := os.Stat("/dev/infiniband"); err != nil {
+			glog.Warningf("%s requires rdma, but \"/dev/infiniband\" is not found", rc.ResourceName)
+		}
+
 		rdmaDevices := make([]types.PciDevice, 0)
 		for _, dev := range filteredDevice {
-
 			if dev.(types.PciNetDevice).GetRdmaSpec().IsRdma() {
 				rdmaDevices = append(rdmaDevices, dev)
 			}
 		}
 		filteredDevice = rdmaDevices
+
 	}
 
 	// convert to []PciNetDevice to []PciDevice