[kubernetes]-k8s部署单节点redis

小灰灰 2022-12-22 06:12 348阅读 0赞

导语：项目需要部署在k8s里 需要运行一个3.0.7的redis 保存session

首先创建redis.conf对应的cm文件

**redis-config.yaml**

---
    kind: ConfigMap
    apiVersion: v1
    metadata:
      name: redis-config
      labels:
        app: redis
    data:
      redis.conf: |-
        dir /srv
        port 6379
        bind 0.0.0.0
        appendonly yes
        daemonize no
        #protected-mode no
        requirepass Hangzhou@123
        pidfile /srv/redis-6379.pid

kubectl apply -f redis-config.yaml  -n devops

如果redis数据需要持久化 可以用存储。我是session 丢了就丢了呗。

**redis-deploy.yaml**

---
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: redis
      labels:
        app: redis
    spec:
      replicas: 1
      selector:
        matchLabels:
          app: redis
      template:
        metadata:
          labels:
            app: redis
        spec:
          containers:
          - name: redis
            image: redis:3.0.7
            command:
              - "sh"
              - "-c"
              - "redis-server /usr/local/redis/redis.conf"
            ports:
            - containerPort: 6379
            resources:
              limits:
                cpu: 1000m
                memory: 1024Mi
              requests:
                cpu: 1000m
                memory: 1024Mi
            livenessProbe:
              tcpSocket:
                port: 6379
              initialDelaySeconds: 300
              timeoutSeconds: 1
              periodSeconds: 10
              successThreshold: 1
              failureThreshold: 3
            readinessProbe:
              tcpSocket:
                port: 6379
              initialDelaySeconds: 5
              timeoutSeconds: 1
              periodSeconds: 10
              successThreshold: 1
              failureThreshold: 3
            volumeMounts:
            - name: config
              mountPath:  /usr/local/redis/redis.conf
              subPath: redis.conf
          volumes:
          - name: config
            configMap:
              name: redis-config

创建configmap和deployment

kubectl apply -f redis-config.yaml  --force -n devops
    kubectl apply -f redis-deploy.yaml -n devops  --force

![7d18dd08f4ed2e356cec6edcb402a24f.png][]

# 查看pod的ip
    kubectl get pods -n devops  -o wide
    # 运行一个自删除的redis 容器 测试pod的连通性
    docker run -it  --rm  redis:3.0.7 /bin/bash
    # 使用reids-cli命令连接测试

![27d295ef50defcdc1fd0e27ad3896899.png][]

测试密码设置没问题

**redis-svc.yaml**

apiVersion: v1
    kind: Service
    metadata:
      name: redis
      namespace: devops
      labels:
        app: redis
    spec:
      type: NodePort
      ports:
        - name: tcp
          port: 6379
          nodePort: 30379
      selector:
        app: redis

创建svc

kubectl apply -f redis-svc.yaml -n devops

测试连接node的端口测试

![441fade740411e9c029b1016189e6119.png][]

连接成功。

[7d18dd08f4ed2e356cec6edcb402a24f.png]: /images/20221120/769a6127a0214a2a8ec0e12f58d07212.png
[27d295ef50defcdc1fd0e27ad3896899.png]: https://img-blog.csdnimg.cn/img_convert/27d295ef50defcdc1fd0e27ad3896899.png
[441fade740411e9c029b1016189e6119.png]: https://img-blog.csdnimg.cn/img_convert/441fade740411e9c029b1016189e6119.png