Merge pull request #308 from mythi/topo

qat: mount VFIO devices for topology hints to work

Author: Dmitry Rozhkov

deployments/qat_plugin/base/intel-qat-plugin.yaml

@@ -42,11 +42,17 @@ spec:
         imagePullPolicy: IfNotPresent
         args: ["-dpdk-driver", "$(DPDK_DRIVER)", "-kernel-vf-drivers", "$(KERNEL_VF_DRIVERS)", "-max-num-devices", "$(MAX_NUM_DEVICES)", "-debug", "$(DEBUG)"]
         volumeMounts:
+        - name: devdir
+          mountPath: /dev/vfio
+          readOnly: true
         - name: pcidir
           mountPath: /sys/bus/pci
         - name: kubeletsockets
           mountPath: /var/lib/kubelet/device-plugins
       volumes:
+      - name: devdir
+        hostPath:
+          path: /dev/vfio
       - name: pcidir
         hostPath:
           path: /sys/bus/pci

pkg/deviceplugin/api.go

@@ -15,6 +15,8 @@
 package deviceplugin
 
 import (
+	"fmt"
+
 	"github.com/intel/intel-device-plugins-for-kubernetes/pkg/topology"
 	pluginapi "k8s.io/kubelet/pkg/apis/deviceplugin/v1beta1"
 )
@@ -44,6 +46,8 @@ func NewDeviceInfo(state string, nodes []pluginapi.DeviceSpec, mounts []pluginap
 	topologyInfo, err := topology.GetTopologyInfo(devPaths)
 	if err == nil {
 		deviceInfo.topology = topologyInfo
+	} else {
+		fmt.Printf("WARNING: GetTopologyInfo: %v\n", err)
 	}
 
 	return deviceInfo