adding monitoring

monitoring/nodeexporter.yaml

@@ -0,0 +1,56 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: node-exporter
+  namespace: monitoring
+  labels:
+    app: node-exporter
+spec:
+  selector:
+    matchLabels:
+      app: node-exporter
+  template:
+    metadata:
+      labels:
+        app: node-exporter
+    spec:
+      hostNetwork: true
+      containers:
+        - name: node-exporter
+          image: prom/node-exporter:latest
+          imagePullPolicy: Always
+          args:
+            - "--path.rootfs=/host"
+          ports:
+            - containerPort: 9100
+              hostPort: 9100
+              name: metrics
+              protocol: TCP
+          resources:
+            requests:
+              memory: "50Mi"
+              cpu: "100m"
+            limits:
+              memory: "100Mi"
+              cpu: "200m"
+          volumeMounts:
+            - name: host
+              mountPath: /host
+              readOnly: true
+      volumes:
+        - name: host
+          hostPath:
+            path: /
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: node-exporter
+  namespace: monitoring
+spec:
+  selector:
+    app: node-exporter
+  ports:
+    - name: metrics
+      port: 9100
+      targetPort: metrics