Kubernetes netshoot Shell Pod Execution

1. Execution Environment

The execution environment is as follows.

• Kubernetes 1.18

2. netshoot Shell Pod Execution

$ kubectl run my-shell --rm -i --tty --image nicolaka/netshoot -- bash

Create a netshoot Pod and enter Bash.

2.1. With Host Network Namespace

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apiVersion: v1
kind: Pod
metadata:
  name: my-shell-hostnet
  namespace: default
spec:
  hostNetwork: true
  dnsPolicy: ClusterFirstWithHostNet
  containers:
  - name: my-shell-hostnet
    image: nicolaka/netshoot
    args:
    - sleep
    - infinity

Create a netshoot Pod using the Host Network Namespace with [File 1].

$ kubectl exec -it my-shell-hostnet -- bash

Enter the netshoot Pod.