Multus-upgrade-pod-stability-test

scale.sh

#!/bin/bash
# scale up and down pod replicas
# sleep time is to ensure pods are created or deleted successfully

while true
do
	oc scale --replicas 1 deployment/multus-test-deployment >/dev/null
	sleep 20
	oc scale --replicas 6 deployment/multus-test-deployment >/dev/null
	sleep 20
done

simulate_multus_binary_copy.sh

#!/bin/bash
# This script is executed on one of the worker nodes
# It simulates the copy action of Multus upgrade in an interval of 1s
# nfvpe_multus & official_multus are two multus images with different size but equal function

while true
do
        cp -f nfvpe_multus multus
        sleep 1
        cp -f official_multus multus
        sleep 1
done

test-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: multus-test-deployment
  labels:
    app: multus-test-app
spec:
  replicas: 6
  selector:
    matchLabels:
      app: multus-test-app
  template:
    metadata:
      labels:
        app: multus-test-app
    spec:
      containers:
      - name: multus-app
        image: centos/tools 
        imagePullPolicy: IfNotPresent
        command: [ "/bin/bash", "-c", "--" ]
        args: [ "while true; do sleep 300000; done;" ]