add netshoot container to debug network issues

default/netshoot.yaml

@@ -0,0 +1,44 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: netshoot
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: netshoot
+  template:
+    metadata:
+      creationTimestamp: null
+      labels:
+        app: netshoot
+    spec:
+      containers:
+        - name: netshoot
+          image: nicolaka/netshoot
+          command:
+            - /bin/bash
+          args:
+            - '-c'
+            - while true; do ping localhost; sleep 60;done
+          resources: {}
+          terminationMessagePath: /dev/termination-log
+          terminationMessagePolicy: File
+          imagePullPolicy: Always
+          securityContext:
+            capabilities:
+              add:
+                - NET_ADMIN
+                - NET_RAW
+      restartPolicy: Always
+      terminationGracePeriodSeconds: 30
+      dnsPolicy: ClusterFirst
+      securityContext: {}
+      schedulerName: default-scheduler
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 25%
+      maxSurge: 25%
+  revisionHistoryLimit: 10
+  progressDeadlineSeconds: 600