remove kubernetes 1.8 support

README.md

@@ -180,7 +180,7 @@ helm install stable/node-problem-detector
 
 Or alternatively, to install node-problem-detector manually:
 
-1. Edit [node-problem-detector.yaml](deployment/node-problem-detector.yaml) to fit your environment. Set `log` volume to your system log directory (used by SystemLogMonitor). You can use a ConfigMap to overwrite the `config` directory inside the pod. For Kubernetes versions older than 1.9, use [node-problem-detector-old.yaml](deployment/node-problem-detector-old.yaml).
+1. Edit [node-problem-detector.yaml](deployment/node-problem-detector.yaml) to fit your environment. Set `log` volume to your system log directory (used by SystemLogMonitor). You can use a ConfigMap to overwrite the `config` directory inside the pod.
 
 2. Edit [node-problem-detector-config.yaml](deployment/node-problem-detector-config.yaml) to configure node-problem-detector.
 

deployment/node-problem-detector-old.yaml

@@ -1,55 +0,0 @@
-apiVersion: extensions/v1beta1
-kind: DaemonSet
-metadata:
-  name: node-problem-detector
-  namespace: kube-system
-spec:
-  template:
-    metadata:
-      labels:
-        app: node-problem-detector
-    spec:
-      containers:
-      - name: node-problem-detector
-        command:
-        - /node-problem-detector
-        - --logtostderr
-        - --kernel-monitor=/config/kernel-monitor.json
-        image: k8s.gcr.io/node-problem-detector:v0.2
-        imagePullPolicy: Always
-        securityContext:
-          privileged: true
-        env:
-        - name: NODE_NAME
-          valueFrom:
-            fieldRef:
-              fieldPath: spec.nodeName
-        volumeMounts:
-        - name: log
-          mountPath: /var/log
-          readOnly: true
-        - name: kmsg
-          mountPath: /dev/kmsg
-          readOnly: true
-        # Make sure node problem detector is in the same timezone
-        # with the host.
-        - name: localtime
-          mountPath: /etc/localtime
-          readOnly: true
-        - name: config
-          mountPath: /config
-          readOnly: true
-      volumes:
-      - name: log
-        # Config `log` to your system log directory
-        hostPath:
-          path: /var/log/
-      - name: kmsg
-        hostPath:
-          path: /dev/kmsg
-      - name: localtime
-        hostPath:
-          path: /etc/localtime
-      - name: config
-        configMap:
-          name: node-problem-detector-config