Using stateful set to create redis cluster in Kubernetes

redis/README.md

@@ -2,24 +2,14 @@ This images is aim to help you create a 6 - node Redis cluster in minutes
 
 ## Create a Redis cluster on Kubernetes
 
-1. Create a k8s deployment with Redis cluster mode.
+1. Create a Redis Statefulset and a Service
 ```bash
-    kubectl run redis --image=registry.cn-hangzhou.aliyuncs.com/junv/cluster-redis:latest --command /usr/local/bin/redis-server /root/redis.conf
-```
-
-2. Expose the port if you want (optional)
-```bash
-    kubectl expose deployment redis --type=NodePort  --port=6379
-```
-
-3. Scale up 6 pods
-```bash
-    kubectl scale deployments redis --replicas=6
+  kubectl create -f redis/redis.yml
 ```
 
 4. Take a look at the redis pods
 ```bash
-    kubectl get pods -o wide | grep redis
+  kubectl get pods -o wide | grep redis
 ```
 
 ```bash

redis/redis.yml

@@ -0,0 +1,43 @@
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis
+  labels:
+    app: redis
+spec:
+  ports:
+  - port: 6379
+    name: redis
+  - port: 16379
+    name: cluster
+  clusterIP: None
+  selector:
+    app: redis
+---
+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: redis
+spec:
+  serviceName: "redis"
+  replicas: 6
+  template:
+    metadata:
+      labels:
+        app: redis
+    spec:
+      containers:
+      - name: redis
+        image: registry.cn-hangzhou.aliyuncs.com/junv/cluster-redis:latest
+        ports:
+        - containerPort: 6379
+          name: redis
+          protocol: "TCP"
+        - containerPort: 16379
+          name: cluster
+          protocol: "TCP"
+        command:
+          - "/usr/local/bin/redis-server"
+        args:
+          - "/root/redis.conf"