Add support for nvidia-gpu

client-alsa.yaml.template

@@ -0,0 +1,64 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: smarter-device-management-client
+  namespace: NAMESPACE
+spec:
+  serviceAccountName: default
+  automountServiceAccountToken: false
+  dnsPolicy: ClusterFirstWithHostNet
+  hostname: yocto-test-client
+  nodeName: NODE_TO_TEST
+  restartPolicy: Never
+  containers:
+  - name: smarter-device-management-client
+    imagePullPolicy: IfNotPresent
+    image: alpine
+    command: ["/bin/ash"]
+    args:
+    - "-c"
+    - |
+      if [ ! -d /dev/snd ]
+      then
+           echo "No sound directory available (/dev/snd)"
+           exit 1
+      fi
+      apk add alsa-utils
+      if [ $? -gt 0 ]
+      then
+           echo "Could not install alsa-utils"
+           for i in 1 2 3 4 5 6 7 8 9 10
+           do
+               sleep 20
+           done
+           exit $?
+      fi
+      if [ $? -gt 0 ]
+      then
+           echo "Could not install alsa-utils"
+           exit $?
+      fi
+      RESULT=$(aplay -L)
+      if [ $? -gt 0 ]
+      then
+           echo "Could not execute aplay"
+           exit $?
+      fi
+      NL=$(echo "${RESULT}" | grep tegrasndt19xmob | wc -l)
+      if [ ${NL} -ne 2 ]
+      then
+           echo "Aplay did not find the correct device check:" 
+           echo "${RESULT}"
+           exit 11
+      fi
+      exit 0
+    resources:
+      limits:
+        cpu: 100m
+        memory: 100Mi
+        smarter-devices/snd: 1
+      requests:
+        cpu: 100m
+        memory: 100Mi
+        smarter-devices/snd: 1
+  terminationGracePeriodSeconds: 10

client-nvidia.yaml.template

@@ -0,0 +1,36 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: smarter-device-management-nvidia-client
+  namespace: NAMESPACE
+spec:
+  serviceAccountName: default
+  automountServiceAccountToken: false
+  dnsPolicy: ClusterFirstWithHostNet
+  hostname: yocto-test-client
+  nodeName: NODE_TO_TEST
+  restartPolicy: Never
+  containers:
+  - name: smarter-device-management-nvidia-client
+    imagePullPolicy: IfNotPresent
+    image: alpine
+    command: ["/bin/ash"]
+    args:
+    - "-c"
+    - |
+      if [ ! -e /dev/nvhost-gpu ]
+      then
+           echo "No nvidia GPU available (/dev/nvhost-gpu)"
+           exit 1
+      fi
+      exit 0
+    resources:
+      limits:
+        cpu: 100m
+        memory: 100Mi
+        smarter-devices/nvidia-gpu0: 0
+      requests:
+        cpu: 100m
+        memory: 100Mi
+        smarter-devices/nvidia-gpu0: 0
+  terminationGracePeriodSeconds: 10

compile.sh

@@ -34,10 +34,10 @@ REPOSITORY_NAME="registry.gitlab.com/arm-research/smarter/smarter-device-manager
 IMAGE_NAME="smarter-device-manager"
 DIRECTORY_TO_RUN=.
 
-ARCHS="linux/arm/v7"
+ARCHS="linux/arm64"
 
 # Variable defaults
-FLAG_UPLOADIMAGES=1
+FLAG_UPLOADIMAGES=0
 FLAG_USESQUASH=0
 FLAG_UPLOADMANIFEST=1
 ADDITIONAL_TAG=""
@@ -96,6 +96,8 @@ fi
 if [ $FLAG_UPLOADIMAGES -gt 0 ]
 then
         PUSH_OPTION="--push"
+else
+        PUSH_OPTION="--load"
 fi
         
 docker buildx build  -t "${REPOSITORY_NAME}${IMAGE_NAME}${ADDITIONAL_IMAGE_NAME}:${BUILD_TAG}" --platform=${ARCHS} ${PUSH_OPTION} .

conf.yaml

@@ -23,4 +23,4 @@
 - devicematch: ^ttyTHS[0-9]*$
   nummaxdevices: 1
 - devicematch: ^ttyS[0-9]*$
-  nummaxdevices: 1
+  nummaxdevices: 1

main.go

@@ -202,7 +202,7 @@ L:
                                                 break
                                         }
                                 case nvidiaSysType :
-                                        devicesInUse.devicePluginNvidia = NewNvidiaDevicePlugin(devicesInUse.deviceName,"NVIDIA_VISIBLE_DEVICES", devicesInUse.socketName, devicesInUse.deviceId)
+                                        devicesInUse.devicePluginNvidia = NewNvidiaDevicePlugin(devicesInUse.numDevices, devicesInUse.deviceName,"NVIDIA_VISIBLE_DEVICES", devicesInUse.socketName, devicesInUse.deviceId)
                                         if err = devicesInUse.devicePluginNvidia.Serve(); err != nil {
                                                 glog.V(0).Info("Could not contact Kubelet, retrying. Did you enable the device plugin feature gate?")
                                                 break

nvidia-server.go

@@ -1,29 +1,16 @@
-/*
+// Copyright (c) 2019, Arm Ltd
- * Copyright (c) 2019, NVIDIA CORPORATION.  All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 
 package main
 
 import (
-	"flag"
+        "flag"
-	"log"
 	"net"
 	"os"
 	"path"
+	"strings"
 	"time"
 
+	"github.com/golang/glog"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	pluginapi "k8s.io/kubernetes/pkg/kubelet/apis/deviceplugin/v1beta1"
@@ -34,124 +21,99 @@ var passDeviceSpecs = flag.Bool("pass-device-specs", false, "pass the list of De
 // NvidiaDevicePlugin implements the Kubernetes device plugin API
 type NvidiaDevicePlugin struct {
 	devs         []*pluginapi.Device
+	socket       string
 	resourceName   string
 	allocateEnvvar string
-	socket string
         id string
 
-	server *grpc.Server
+
 	stop   chan interface{}
 	health chan *pluginapi.Device
 
+	server *grpc.Server
 }
 
 // NewNvidiaDevicePlugin returns an initialized NvidiaDevicePlugin
-func NewNvidiaDevicePlugin(resourceName string, allocateEnvvar string, socket string, id string) *NvidiaDevicePlugin {
+func NewNvidiaDevicePlugin(nDevices uint, resourceName string, allocateEnvvar string, socket string, id string) *NvidiaDevicePlugin {
 	return &NvidiaDevicePlugin{
+                devs:            getDevices(nDevices),
 		resourceName:    resourceName,
 		allocateEnvvar:  allocateEnvvar,
 		socket:          socket,
 		id:              id,
+
+                stop:   make(chan interface{}),
+                health: make(chan *pluginapi.Device),
 	}
 }
 
-func (m *NvidiaDevicePlugin) initialize() {
+// dial establishes the gRPC communication with the registered device plugin.
-	m.server = grpc.NewServer([]grpc.ServerOption{}...)
+func dialNvidia(unixSocketPath string, timeout time.Duration) (*grpc.ClientConn, error) {
+	c, err := grpc.Dial(unixSocketPath, grpc.WithInsecure(), grpc.WithBlock(),
+		grpc.WithTimeout(timeout),
+		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
+			return net.DialTimeout("unix", addr, timeout)
+		}),
+	)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return c, nil
 }
 
-func (m *NvidiaDevicePlugin) cleanup() {
+// Start the gRPC server of the device plugin
-}
-
-// Start starts the gRPC server, registers the device plugin with the Kubelet,
-// and starts the device healthchecks.
 func (m *NvidiaDevicePlugin) Start() error {
-	m.initialize()
+	glog.V(0).Info("Initializing nvidia device manager")
-
+	err := m.cleanup()
-	err := m.Serve()
 	if err != nil {
-		log.Printf("Could not start device plugin for '%s': %s", m.resourceName, err)
-		m.cleanup()
 		return err
 	}
-	log.Printf("Starting to serve '%s' on %s", m.resourceName, m.socket)
 
-	err = m.Register()
+	glog.V(0).Info("Opening nvidia device manager socket ", m.socket)
-	if err != nil {
-		log.Printf("Could not register device plugin: %s", err)
-		m.Stop()
-		return err
-	}
-	log.Printf("Registered device plugin for '%s' with Kubelet", m.resourceName)
-
-	return nil
-}
-
-// Stop stops the gRPC server.
-func (m *NvidiaDevicePlugin) Stop() error {
-	if m == nil || m.server == nil {
-		return nil
-	}
-	log.Printf("Stopping to serve '%s' on %s", m.resourceName, m.socket)
-	m.server.Stop()
-	if err := os.Remove(m.socket); err != nil && !os.IsNotExist(err) {
-		return err
-	}
-	m.cleanup()
-	return nil
-}
-
-// Serve starts the gRPC server of the device plugin.
-func (m *NvidiaDevicePlugin) Serve() error {
 	sock, err := net.Listen("unix", m.socket)
 	if err != nil {
 		return err
 	}
+	glog.V(0).Info("Socket opened nvidia device manager")
 
+	m.server = grpc.NewServer([]grpc.ServerOption{}...)
 	pluginapi.RegisterDevicePluginServer(m.server, m)
+	glog.V(0).Info("gRPC server registered")
 
-	go func() {
+	go m.server.Serve(sock)
-		lastCrashTime := time.Now()
+	glog.V(0).Info("gRPC server running on socket")
-		restartCount := 0
-		for {
-			log.Printf("Starting GRPC server for '%s'", m.resourceName)
-			err := m.server.Serve(sock)
-			if err == nil {
-				break
-			}
-
-			log.Printf("GRPC server for '%s' crashed with error: %v", m.resourceName, err)
-
-			// restart if it has not been too often
-			// i.e. if server has crashed more than 5 times and it didn't last more than one hour each time
-			if restartCount > 5 {
-				// quit
-				log.Fatal("GRPC server for '%s' has repeatedly crashed recently. Quitting", m.resourceName)
-			}
-			timeSinceLastCrash := time.Since(lastCrashTime).Seconds()
-			lastCrashTime = time.Now()
-			if timeSinceLastCrash > 3600 {
-				// it has been one hour since the last crash.. reset the count
-				// to reflect on the frequency
-				restartCount = 1
-			} else {
-				restartCount += 1
-			}
-		}
-	}()
 
 	// Wait for server to start by launching a blocking connexion
-	conn, err := m.dial(m.socket, 5*time.Second)
+	conn, err := dialNvidia(m.socket, 60*time.Second)
 	if err != nil {
 		return err
 	}
 	conn.Close()
+	glog.V(0).Info("gRPC Dial OK")
+
+	go m.healthcheck()
 
 	return nil
 }
 
-// Register registers the device plugin for the given resourceName with Kubelet.
+// Stop the gRPC server
-func (m *NvidiaDevicePlugin) Register() error {
+func (m *NvidiaDevicePlugin) Stop() error {
-	conn, err := m.dial(pluginapi.KubeletSocket, 5*time.Second)
+	if m.server == nil {
+		return nil
+	}
+
+	m.server.Stop()
+	m.server = nil
+	close(m.stop)
+
+	return m.cleanup()
+}
+
+// Register the device plugin for the given resourceName with Kubelet.
+func (m *NvidiaDevicePlugin) Register(kubeletEndpoint, resourceName string) error {
+	conn, err := dialNvidia(kubeletEndpoint, 5*time.Second)
 	if err != nil {
 		return err
 	}
@@ -161,7 +123,7 @@ func (m *NvidiaDevicePlugin) Register() error {
 	reqt := &pluginapi.RegisterRequest{
 		Version:      pluginapi.Version,
 		Endpoint:     path.Base(m.socket),
-		ResourceName: m.resourceName,
+		ResourceName: resourceName,
 	}
 
 	_, err = client.Register(context.Background(), reqt)
@@ -171,10 +133,6 @@ func (m *NvidiaDevicePlugin) Register() error {
 	return nil
 }
 
-func (m *NvidiaDevicePlugin) GetDevicePluginOptions(context.Context, *pluginapi.Empty) (*pluginapi.DevicePluginOptions, error) {
-	return &pluginapi.DevicePluginOptions{}, nil
-}
-
 // ListAndWatch lists devices and update that list according to the health status
 func (m *NvidiaDevicePlugin) ListAndWatch(e *pluginapi.Empty, s pluginapi.DevicePlugin_ListAndWatchServer) error {
 	s.Send(&pluginapi.ListAndWatchResponse{Devices: m.devs})
@@ -186,12 +144,15 @@ func (m *NvidiaDevicePlugin) ListAndWatch(e *pluginapi.Empty, s pluginapi.Device
 		case d := <-m.health:
 			// FIXME: there is no way to recover from the Unhealthy state.
 			d.Health = pluginapi.Unhealthy
-			log.Printf("'%s' device marked unhealthy: %s", m.resourceName, d.ID)
 			s.Send(&pluginapi.ListAndWatchResponse{Devices: m.devs})
 		}
 	}
 }
 
+func (m *NvidiaDevicePlugin) unhealthy(dev *pluginapi.Device) {
+	m.health <- dev
+}
+
 // Allocate which return list of devices.
 func (m *NvidiaDevicePlugin) Allocate(ctx context.Context, reqs *pluginapi.AllocateRequest) (*pluginapi.AllocateResponse, error) {
 	responses := pluginapi.AllocateResponse{}
@@ -221,38 +182,61 @@ func (m *NvidiaDevicePlugin) PreStartContainer(context.Context, *pluginapi.PreSt
 	return &pluginapi.PreStartContainerResponse{}, nil
 }
 
-// dial establishes the gRPC communication with the registered device plugin.
+func (m *NvidiaDevicePlugin) cleanup() error {
-func (m *NvidiaDevicePlugin) dial(unixSocketPath string, timeout time.Duration) (*grpc.ClientConn, error) {
+	if err := os.Remove(m.socket); err != nil && !os.IsNotExist(err) {
-	c, err := grpc.Dial(unixSocketPath, grpc.WithInsecure(), grpc.WithBlock(),
+		return err
-		grpc.WithTimeout(timeout),
-		grpc.WithDialer(func(addr string, timeout time.Duration) (net.Conn, error) {
-			return net.DialTimeout("unix", addr, timeout)
-		}),
-	)
-
-	if err != nil {
-		return nil, err
 	}
 
-	return c, nil
+	return nil
 }
 
-//func (m *NvidiaDevicePlugin) deviceExists(id string) bool {
+func (m *NvidiaDevicePlugin) healthcheck() {
-//	for _, d := range m.cachedDevices {
+	disableHealthChecks := strings.ToLower(os.Getenv(envDisableHealthChecks))
-//		if d.ID == id {
+	if disableHealthChecks == "all" {
-//			return true
+		disableHealthChecks = allHealthChecks
-//		}
+	}
-//	}
-//	return false
-//}
 
-//func (m *NvidiaDevicePlugin) apiDevices() []*pluginapi.Device {
+	_, cancel := context.WithCancel(context.Background())
-//	var pdevs []*pluginapi.Device
+
-//	for _, d := range m.cachedDevices {
+	var xids chan *pluginapi.Device
-//		pdevs = append(pdevs, &d.Device)
+	if !strings.Contains(disableHealthChecks, "xids") {
-//	}
+		xids = make(chan *pluginapi.Device)
-//	return pdevs
+	}
-//}
+
+	for {
+		select {
+		case <-m.stop:
+			cancel()
+			return
+		case dev := <-xids:
+			m.unhealthy(dev)
+		}
+	}
+}
+
+// Serve starts the gRPC server and register the device plugin to Kubelet
+func (m *NvidiaDevicePlugin) Serve() error {
+	err := m.Start()
+	if err != nil {
+		glog.Errorf("Could not start device plugin: %s", err)
+		return err
+	}
+	glog.V(0).Info("Starting to serve on", m.socket)
+
+	err = m.Register(pluginapi.KubeletSocket, m.resourceName)
+	if err != nil {
+		glog.Errorf("Could not register device plugin: %s", err)
+		m.Stop()
+		return err
+	}
+	glog.V(0).Info("Registered device plugin with Kubelet")
+
+	return nil
+}
+
+func (m *NvidiaDevicePlugin) GetDevicePluginOptions(context.Context, *pluginapi.Empty) (*pluginapi.DevicePluginOptions, error) {
+	return &pluginapi.DevicePluginOptions{}, nil
+}
 
 func (m *NvidiaDevicePlugin) apiDeviceSpecs(filter []string) []*pluginapi.DeviceSpec {
 	var specs []*pluginapi.DeviceSpec

smarter-device-management-pod-k3s-test-xavier.yaml

@@ -0,0 +1,53 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: smarter-device-management
+  namespace: default
+spec:
+  # Mark this pod as a critical add-on; when enabled, the critical add-on
+  # scheduler reserves resources for critical add-on pods so that they can
+  # be rescheduled after a failure.
+  # See https://kubernetes.io/docs/tasks/administer-cluster/guaranteed-scheduling-critical-addon-pods/
+  priorityClassName: "system-node-critical"
+  hostNetwork: true
+  dnsPolicy: ClusterFirstWithHostNet
+  hostname: smarter-device-management
+  nodeName: smarter-jetson-xavier-4bcc2584
+  containers:
+  - name: smarter-device-manager
+    image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:IMAGE_ID
+    imagePullPolicy: IfNotPresent
+    securityContext:
+      allowPrivilegeEscalation: false
+      capabilities:
+        drop: ["ALL"]
+    resources:
+      limits:
+        cpu: 100m
+        memory: 10Mi
+      requests:
+        cpu: 10m
+        memory: 10Mi
+    volumeMounts:
+      - name: device-plugin
+        mountPath: /var/lib/kubelet/device-plugins
+      - name: dev-dir
+        mountPath: /dev
+      - name: sys-dir
+        mountPath: /sys
+      - name: config
+        mountPath: /root/config
+  volumes:
+    - name: device-plugin
+      hostPath:
+        path: /var/lib/rancher/k3s/agent/kubelet/device-plugins
+    - name: dev-dir
+      hostPath:
+            path: /dev
+    - name: sys-dir
+      hostPath:
+            path: /sys
+    - name: config
+      configMap:
+            name: smarter-device-manager-xavier
+  terminationGracePeriodSeconds: 30

smarter-device-management-pod-k3s.yaml

@@ -15,7 +15,7 @@ spec:
   nodeName: <replace with node to run>
   containers:
   - name: smarter-device-manager
-    image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:20191204204613
+    image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:IMAGE_ID
     imagePullPolicy: IfNotPresent
     securityContext:
       allowPrivilegeEscalation: false
@@ -45,4 +45,4 @@ spec:
     - name: sys-dir
       hostPath:
             path: /sys
-      terminationGracePeriodSeconds: 30
+  terminationGracePeriodSeconds: 30

smarter-device-management-pod-k8s.yaml

@@ -15,7 +15,7 @@ spec:
   nodeName: <replace with node to run>
   containers:
   - name: smarter-device-manager
-    image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:20191204204613
+    image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:IMAGE_ID
     imagePullPolicy: IfNotPresent
     securityContext:
       allowPrivilegeEscalation: false

smarter-device-manager-configmap-xavier.yaml

@@ -0,0 +1,26 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: smarter-device-manager-xavier
+data:
+  conf.yaml: |
+        - devicematch: ^snd$
+          nummaxdevices: 20
+        - devicematch: ^gpiomem$
+          nummaxdevices: 40
+        - devicematch: ^gpiochip[0-9]*$
+          nummaxdevices: 20
+        - devicematch: ^hci[0-9]*$
+          nummaxdevices: 1
+        - devicematch: ^i2c-[0-9]*$
+          nummaxdevices: 1
+        - devicematch: ^rtc0$
+          nummaxdevices: 20
+        - devicematch: ^video[0-9]*$
+          nummaxdevices: 20
+        - devicematch: ^vchiq$
+          nummaxdevices: 20
+        - devicematch: ^vcsm.*$
+          nummaxdevices: 20
+        - devicematch: nvidia-gpu
+          nummaxdevices: 20

smarter-device-manager-k3s-no-configmap.yaml

@@ -0,0 +1,48 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: smarter-device-management
+  namespace: default
+spec:
+  # Mark this pod as a critical add-on; when enabled, the critical add-on
+  # scheduler reserves resources for critical add-on pods so that they can
+  # be rescheduled after a failure.
+  # See https://kubernetes.io/docs/tasks/administer-cluster/guaranteed-scheduling-critical-addon-pods/
+  priorityClassName: "system-node-critical"
+  hostNetwork: true
+  dnsPolicy: ClusterFirstWithHostNet
+  hostname: smarter-device-management
+  nodeName: smarter-jetson-xavier-4bcc2584
+  containers:
+  - name: smarter-device-manager
+    image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:IMAGE_ID
+    imagePullPolicy: IfNotPresent
+    securityContext:
+      allowPrivilegeEscalation: false
+      capabilities:
+        drop: ["ALL"]
+    resources:
+      limits:
+        cpu: 100m
+        memory: 10Mi
+      requests:
+        cpu: 10m
+        memory: 10Mi
+    volumeMounts:
+      - name: device-plugin
+        mountPath: /var/lib/kubelet/device-plugins
+      - name: dev-dir
+        mountPath: /dev
+      - name: sys-dir
+        mountPath: /sys
+  volumes:
+    - name: device-plugin
+      hostPath:
+        path: /var/lib/rancher/k3s/agent/kubelet/device-plugins
+    - name: dev-dir
+      hostPath:
+            path: /dev
+    - name: sys-dir
+      hostPath:
+            path: /sys
+  terminationGracePeriodSeconds: 30

smarter-device-manager-k3s-with-configmap-rpi.yaml

@@ -0,0 +1,75 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: < Replace with the namespace to use >
+  labels:
+    name: < Replace with the namespace to use >
+---
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: smarter-device-manager
+  namespace: < Replace with the namespace to use >
+  labels:
+    name: smarter-device-manager
+    role: agent
+spec:
+  selector:
+    matchLabels:
+      name: smarter-device-manager
+  updateStrategy:
+    type: RollingUpdate
+  template:
+    metadata:
+      labels: 
+        name: smarter-device-manager
+      annotations:
+        node.kubernetes.io/bootstrap-checkpoint: "true"
+    spec: 
+      nodeSelector:
+        smarter-device-manager : enabled
+      priorityClassName: "system-node-critical"
+      hostname: smarter-device-management
+      hostNetwork: true
+      dnsPolicy: ClusterFirstWithHostNet
+      containers:
+      - name: smarter-device-manager
+        image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:IMAGE_ID
+        imagePullPolicy: IfNotPresent
+        securityContext:
+          allowPrivilegeEscalation: false
+          capabilities:
+            drop: ["ALL"]
+        resources:
+          limits:
+            cpu: 100m
+            memory: 15Mi
+          requests:
+            cpu: 10m
+            memory: 15Mi
+        volumeMounts:
+          - name: device-plugin
+            mountPath: /var/lib/kubelet/device-plugins
+          - name: dev-dir
+            mountPath: /dev
+          - name: config
+            mountPath: /root/config
+          - name: sys-dir
+            mountPath: /sys
+      volumes:
+        - name: device-plugin
+          hostPath:
+            path: /var/lib/rancher/k3s/agent/kubelet/device-plugins
+        - name: dev-dir
+          hostPath:
+            path: /dev
+        - name: sys-dir
+          hostPath:
+            path: /sys
+        - name: config
+          configMap:
+             name: smarter-device-manager-rpi
+        - name: config
+          hostPath:
+            path: /var/lib/rancher/k3s/agent/kubelet/device-plugins
+      terminationGracePeriodSeconds: 30

smarter-device-manager-k3s-with-configmap-xavier.yaml

@@ -36,7 +36,7 @@ spec:
       - name: k8sedgeregcred
       containers:
       - name: smarter-device-manager
-        image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:20191204204613
+        image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:IMAGE_ID
         imagePullPolicy: IfNotPresent
         securityContext:
           allowPrivilegeEscalation: false
@@ -54,6 +54,8 @@ spec:
             mountPath: /var/lib/kubelet/device-plugins
           - name: dev-dir
             mountPath: /dev
+          - name: sys-dir
+             mountPath: /sys
           - name: config
             mountPath: /root/config
       volumes:
@@ -63,6 +65,9 @@ spec:
         - name: dev-dir
           hostPath:
             path: /dev
+        - name: sys-dir
+          hostPath:
+            path: /sys
         - name: config
           configMap:
              name: smarter-device-manager-rpi

smarter-device-manager-k3s.yaml

@@ -32,11 +32,9 @@ spec:
       hostname: smarter-device-management
       hostNetwork: true
       dnsPolicy: ClusterFirstWithHostNet
-      imagePullSecrets:
-      - name: k8sedgeregcred
       containers:
       - name: smarter-device-manager
-        image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:20191204204613
+        image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:IMAGE_ID
         imagePullPolicy: IfNotPresent
         securityContext:
           allowPrivilegeEscalation: false
@@ -54,6 +52,8 @@ spec:
             mountPath: /var/lib/kubelet/device-plugins
           - name: dev-dir
             mountPath: /dev
+          - name: sys-dir
+            mountPath: /sys
       volumes:
         - name: device-plugin
           hostPath:
@@ -61,4 +61,7 @@ spec:
         - name: dev-dir
           hostPath:
             path: /dev
+        - name: sys-dir
+          hostPath:
+            path: /sys
       terminationGracePeriodSeconds: 30

smarter-device-manager-k8s-with-configmap-rpi.yaml

@@ -36,7 +36,7 @@ spec:
       - name: k8sedgeregcred
       containers:
       - name: smarter-device-manager
-        image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:20191204204613
+        image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:IMAGE_ID
         imagePullPolicy: IfNotPresent
         securityContext:
           allowPrivilegeEscalation: false
@@ -54,6 +54,8 @@ spec:
             mountPath: /var/lib/kubelet/device-plugins
           - name: dev-dir
             mountPath: /dev
+          - name: sys-dir
+            mountPath: /sys
           - name: config
             mountPath: /root/config
       volumes:
@@ -63,6 +65,9 @@ spec:
         - name: dev-dir
           hostPath:
             path: /dev
+        - name: sys-dir
+          hostPath:
+            path: /sys
         - name: config
           configMap:
              name: smarter-device-manager-rpi

smarter-device-manager-k8s-with-configmap-xavier.yaml

@@ -0,0 +1,74 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: < Replace with the namespace to use >
+  labels:
+    name: < Replace with the namespace to use >
+---
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: smarter-device-manager
+  namespace: < Replace with the namespace to use >
+  labels:
+    name: smarter-device-manager
+    role: agent
+spec:
+  selector:
+    matchLabels:
+      name: smarter-device-manager
+  updateStrategy:
+    type: RollingUpdate
+  template:
+    metadata:
+      labels: 
+        name: smarter-device-manager
+      annotations:
+        node.kubernetes.io/bootstrap-checkpoint: "true"
+    spec: 
+      nodeSelector:
+        smarter-device-manager : enabled
+      priorityClassName: "system-node-critical"
+      hostname: smarter-device-management
+      hostNetwork: true
+      dnsPolicy: ClusterFirstWithHostNet
+      imagePullSecrets:
+      - name: k8sedgeregcred
+      containers:
+      - name: smarter-device-manager
+        image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:IMAGE_ID
+        imagePullPolicy: IfNotPresent
+        securityContext:
+          allowPrivilegeEscalation: false
+          capabilities:
+            drop: ["ALL"]
+        resources:
+          limits:
+            cpu: 100m
+            memory: 15Mi
+          requests:
+            cpu: 10m
+            memory: 15Mi
+        volumeMounts:
+          - name: device-plugin
+            mountPath: /var/lib/kubelet/device-plugins
+          - name: dev-dir
+            mountPath: /dev
+          - name: sys-dir
+            mountPath: /sys
+          - name: config
+            mountPath: /root/config
+      volumes:
+        - name: device-plugin
+          hostPath:
+            path: /var/lib/kubelet/device-plugins
+        - name: dev-dir
+          hostPath:
+            path: /dev
+        - name: sys-dir
+          hostPath:
+            path: /sys
+        - name: config
+          configMap:
+             name: smarter-device-manager-xavier
+      terminationGracePeriodSeconds: 30

smarter-device-manager-k8s.yaml

@@ -36,7 +36,7 @@ spec:
       - name: k8sedgeregcred
       containers:
       - name: smarter-device-manager
-        image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:20191204204613
+        image: registry.gitlab.com/arm-research/smarter/smarter-device-manager/smarter-device-manager:IMAGE_ID
         imagePullPolicy: IfNotPresent
         securityContext:
           allowPrivilegeEscalation: false
@@ -54,6 +54,8 @@ spec:
             mountPath: /var/lib/kubelet/device-plugins
           - name: dev-dir
             mountPath: /dev
+          - name: sys-dir
+            mountPath: /sys
       volumes:
         - name: device-plugin
           hostPath:
@@ -61,4 +63,7 @@ spec:
         - name: dev-dir
           hostPath:
             path: /dev
+        - name: sys-dir
+          hostPath:
+            path: /sys
       terminationGracePeriodSeconds: 30