[TBD]Interesting issues related to Kubernetes

POD restarts when we remove IP from the container interface

Need to try this myself

sleep.py Code to remove IP from the interface

import time

import os

print("Going to Remove IP")

os.system("ip addr flush dev eth0")

print("Done Removing IP")

while True:

time.sleep(1)

Dockerfile to create ubuntu image ubu:sleep

FROM ubuntu:16.04

RUN apt update

RUN apt install python -y

RUN apt install curl -y

RUN apt install iproute2 -y

RUN apt install net-tools -y

RUN apt install vim -y

COPY sleep.py /

ENTRYPOINT ["python", "/sleep.py" ]

YAML to create POD

---

apiVersion: extensions/v1beta1

kind: Deployment

metadata:

name: ubu-sleep

labels:

name: ubu-sleep

spec:

replicas: 1

selector:

matchLabels:

name: ubu-sleep

template:

metadata:

labels:

name: ubu-sleep

annotations:

NETSCALER_AS_APP: "True"

spec:

containers:

- name: ubu-sleep

image: "ubu:sleep"

imagePullPolicy: IfNotPresent

securityContext:

privileged: true

nodeSelector:

node-label: node134