Currently, I'm writting my init container specs inside:
metadata:
annotations:
pod.beta.kubernetes.io/init-containers: '[ { "name": "sdf", "image": "sdf" ...So, it forces me to write init container specs in json format.
My question is: Is there any way to write init-container specs without using this way?
Since 1.6, u are possible to write it in yaml way. Here is an example that we used to build up the galera cluster.
spec:
serviceName: "galera"
replicas: 3
template:
metadata:
labels:
app: mysql
spec:
initContainers:
- name: install
image: gcr.io/google_containers/galera-install:0.1
imagePullPolicy: Always
volumeMounts:
- name: data
mountPath: /var/lib/mysql
- name: config
mountPath: /etc/mysql/conf.d
- name: bootstrap
image: debian:jessie
command:
- "hello world"
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.namespace
volumeMounts:
- name: workdir
mountPath: "/hello"
containers:
- name: mysql
xxxxxx
From Kubernetes 1.6 on there's a new syntax available. Same format as for normal pod spec, just use initContainers instead.