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mysql-chaos.yml
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mysql-chaos.yml
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#
# Chaos monkey for booksapp
#
kind: ServiceAccount
apiVersion: v1
metadata:
name: chaos
labels:
project: booksapp
---
kind: Role
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
name: booksapp:chaos
labels:
project: booksapp
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["delete", "get"]
---
kind: RoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
name: booksapp:chaos
labels:
project: booksapp
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: booksapp:chaos
subjects:
- kind: ServiceAccount
name: chaos
---
apiVersion: v1
kind: ConfigMap
metadata:
name: chaos
labels:
project: booksapp
data:
chaos: |-
#!/bin/sh
while true; do
PODS=$(kubectl -n $BOOKS_NS get po --field-selector=status.phase=Running --selector='app in (authors, books, webapp)' -o jsonpath='{.items[*].metadata.name}')
POD_COUNT=$(echo "${PODS}" | awk -F" " '{print NF}')
echo "found ${POD_COUNT} running pods"
let "RAND = $RANDOM % $POD_COUNT + 1"
POD=$(echo $PODS | cut -d' ' -f$RAND)
kubectl -n $BOOKS_NS delete po/$POD
sleep 10
done
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: chaos
labels:
app: chaos
project: booksapp
spec:
replicas: 1
template:
metadata:
labels:
app: chaos
project: booksapp
spec:
serviceAccount: chaos
containers:
- image: lachlanevenson/k8s-kubectl:v1.10.3
imagePullPolicy: IfNotPresent
name: chaos
command:
- "/data/chaos"
env:
- name: BOOKS_NS
valueFrom:
fieldRef:
fieldPath: metadata.namespace
volumeMounts:
- name: chaos
mountPath: /data
volumes:
- name: chaos
configMap:
name: chaos
defaultMode: 0744