Kubernetes集群架构图

[root@docker yaml]# vim redis-master-controller.yaml
apiVersion: v1
kind: ReplicationController
metadata:
name: redis-master
labels:
name: redis-master
spec:
replicas: 1
selector:
name: redis-master
templector:
metadata:
labels:
name: redis-master
spec:
containers:
- name: master
image: kubeguide/redis-master
ports:
- containerPort: 6379
[root@docker yaml]# vim redis-master-service.yaml
apiVersion: v1
kind: Service
metadata:
name: redis-master
labels:
name: redis-master
spec:
ports:
- port: 6379
targetPort: 6379
selector:
name: redis-master
[root@docker yaml]# kubectl create -f redis-master-controller.yaml
[root@docker yaml]# kubectl create -f redis-master-service.yaml

apiVersion: v1
kind: ReplicationController
metadata:
name: redis-slave
labels:
name: redis-slave
spec:
replicas: 2
selector:
name: redis-slave
templector:
metadata:
labels:
name: redis-slave
spec:
containers:
- name: slave
image: kubeguide/redis-slave
env:
- name: GET HOSTS_FROM
value: env
ports:
- containerPort: 6379
[root@docker yaml]# vim redis-slave-service.yaml
apiVersion: v1
kind: Service
metadata:
name: redis-slave
labels:
name: redis-slave
spec:
ports:
- port: 6379
selector:
name: redis-slave
[root@docker yaml]# kubectl create -f redis-slave-controller.yaml
[root@docker yaml]# kubectl create -f redis-slave-service.yaml

redis-server --slaveof ${REDIS_MASTER_SERVICE_HOST} 6379

[root@docker yaml]# vim frontend-controller.yaml
apiVersion: v1
kind: ReplicationController
metadata:
name: frontend
labels:
name: frontend
spec:
replicas: 3
selector:
name: frontend
template:
metadata:
labels:
name: frontend
spec:
containers:
- name: frontend
image: kubeguide/guestbook-php-frontend
env:
- name: GET HOST_FROM
value: env
ports:
- containerPort: 80
[root@docker yaml]# vim frontend-service.yaml
apiVersion: v1
kind: Service
metadata:
name: frontend
labels:
name: frontend
spec:
type: NodePort
ports:
- port: 80
nodePort: 30001
selector:
name: frontend
[root@docker yaml]# kubectl create -f frontend-controller.yaml
[root@docker yaml]# kubectl create -f frontend-service.yaml