一、项目架构
前端、后端、数据库
1）前端
静态的资源：img css html js文件
js：axios、ajax
2）后端
提供数据：根据web前端发送的请求，从数据库中获取数据
请求都是无状态的，如何保持会话
每次请求都会携带一个token字符串，能够验证用户身份
3）数据库
存储数据与表格
二、流程
1）访问nginx服务，获得页面（下载静态资源）
在旧的版本中，都是使用浏览器直接访问java或者php服务，由这些服务临时渲染一个页面文件响应给客户端。
2）在浏览器中解析并且渲染页面
3）向服务器发送登录请求或者其他的请求
请求的位置：服务器主机ip或者域名在哪里，端口是哪个，服务名称映射
请求的参数：账号，密码
请求的方法：get，post
4）java服务器收到请求之后，对请求解析
例如登录，分发dispatch到login模块
5）从数据库中查询对应的用户信息
如果用户信息的账号和密码都是正确的，就返回字符串，允许用户登录，否则也返回异常信息字符串
三、部署
k8s中使用到的技术：deployment、service、volums
1、准备nfs服务器
1）新建虚拟机
2）设置计划任务，核对时间
[root@nginx ~]# yum -y install ntpdate [root@nginx ~]# ntpdate time2.aliyun.com 26 Sep 09:45:40 ntpdate[1358]: adjust time server 203.107.6.88 offset 0.009069 sec [root@nginx ~]# which ntpdate /usr/sbin/ntpdate [root@nginx ~]# crontab -e * 5 * * * /usr/sbin/ntpdate time2.aliyun.com
3）安装nfs服务应用
[root@nginx ~]# yum -y install rpcbind [root@nginx ~]# yum -y install nfs-utils
4）配置文件
[root@nginx ~]# echo "/root/pes *(rw,sync)" >> /etc/exports
5）准备pes资源
[root@nginx ~]# ls pes
6）启动nfs服务
[root@nginx ~]# systemctl start rpcbind nfs-server
7）测试验证
[root@k8s-master ~]# showmount -e 10.0.0.99 Export list for 10.0.0.99: /root/pes *
2、前端web实现
nginx:latest，使用nfs挂载
1）编写deployment清单
apiVersion: apps/v1 kind: Deployment metadata: name: web-deployment namespace: default labels: app: web-deployment spec: selector: matchLabels: app: web-deployment replicas: 3 strategy: rollingUpdate: maxSurge: 25% maxUnavailable: 25% type: RollingUpdate template: metadata: labels: app: web-deployment spec: containers: - name: nginx image: docker.io/library/nginx:latest imagePullPolicy: Never resources: requests: cpu: 100m memory: 100Mi limits: cpu: 100m memory: 100Mi ports: - containerPort: 80 volumeMounts: - name: pesdist mountPath: /usr/share/nginx/html volumes: - name: pesdist nfs: server: 10.0.0.99 path: /root/pes/web/src/dist restartPolicy: Always
2）创建deployment项目
[root@k8s-master cc]# kubectl create -f web-deployment.yaml deployment.apps/web-deployment created [root@k8s-master cc]# kubectl get pod NAME READY STATUS RESTARTS AGE cluster-test-66bb44bd88-zdfdf 1/1 Running 32 (54m ago) 13d web-deployment-7fd7479d49-6x4nn 1/1 Running 0 8s web-deployment-7fd7479d49-bxdp9 1/1 Running 0 8s web-deployment-7fd7479d49-xhjwb 1/1 Running 0 8s
3）测试验证
[root@k8s-master cc]# kubectl get pod -owide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES cluster-test-66bb44bd88-zdfdf 1/1 Running 32 (57m ago) 13d 172.16.85.200 k8s-node01 <none> <none> web-deployment-7fd7479d49-6x4nn 1/1 Running 0 2m38s 172.16.58.251 k8s-node02 <none> <none> web-deployment-7fd7479d49-bxdp9 1/1 Running 0 2m38s 172.16.85.201 k8s-node01 <none> <none> web-deployment-7fd7479d49-xhjwb 1/1 Running 0 2m38s 172.16.58.252 k8s-node02 <none> <none> [root@k8s-master cc]# curl 172.16.58.251 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <link rel="icon" href="/favicon.ico"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Vite App</title> <script type="module" crossorigin src="/assets/index-C4kAShR5.js"></script> <link rel="stylesheet" crossorigin href="/assets/index-CSz7ARPP.css"> </head> <body> <div id="app"></div> </body> </html>
3、后端java实现
自定义容器，使用nfs挂载
1）在pes目录中找到java的Dockerfile文件，创建镜像
[root@nginx ~]# cd pes/java/ [root@nginx java]# ls Dockerfile jdk src start.sh [root@nginx java]# docker build -t java:v1 . [root@nginx java]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE java v1 5dc6610d8a6c 18 hours ago 592MB
2）镜像打包发送到两个节点
[root@nginx ~]# docker save -o java.tar java:v1 [root@nginx ~]# ls java.tar [root@nginx ~]# scp java.tar 10.0.0.77:/root [root@nginx ~]# scp java.tar 10.0.0.88:/root
3）在节点中加载镜像包
[root@k8s-node01 ~]# ctr -n k8s.io images import java.tar --platform=linux/amd64 [root@k8s-node01 ~]# crictl images IMAGE TAG IMAGE ID SIZE docker.io/library/java v1 5dc6610d8a6cc 599MB [root@k8s-node02 ~]# ctr -n k8s.io images import java.tar --platform=linux/amd64 [root@k8s-node02 ~]# crictl images IMAGE TAG IMAGE ID SIZE docker.io/library/java v1 5dc6610d8a6cc 599MB
4）创建资源清单
apiVersion: apps/v1 kind: Deployment metadata: name: java-deployment namespace: default labels: app: java-deployment spec: selector: matchLabels: app: java-deployment replicas: 3 strategy: rollingUpdate: maxSurge: 25% maxUnavailable: 25% type: RollingUpdate template: metadata: labels: app: java-deployment spec: containers: - name: java image: docker.io/library/java:v1 imagePullPolicy: Never resources: requests: cpu: 100m memory: 100Mi limits: cpu: 100m memory: 100Mi ports: - containerPort: 8080 volumeMounts: - name: pesjava mountPath: /java/src volumes: - name: pesjava nfs: server: 10.0.0.99 path: /root/pes/java/src restartPolicy: Always
5）创建deployment项目
[root@k8s-master cc]# kubectl create -f java-deployment.yaml deployment.apps/java-deployment created [root@k8s-master cc]# kubectl get pod NAME READY STATUS RESTARTS AGE cluster-test-66bb44bd88-zdfdf 1/1 Running 33 (45m ago) 13d java-deployment-7b9f747b8d-9cpsw 1/1 Running 0 7s java-deployment-7b9f747b8d-j6l22 1/1 Running 0 7s java-deployment-7b9f747b8d-t4cvb 1/1 Running 0 7s web-deployment-7fd7479d49-6x4nn 1/1 Running 0 51m web-deployment-7fd7479d49-bxdp9 1/1 Running 0 51m web-deployment-7fd7479d49-xhjwb 1/1 Running 0 51m
6）测试验证（出现问题）
“OOMKilled” 是一种在容器化环境或某些操作系统中常见的状态，表示 “Out Of Memory Killed”，即由于内存不足而被终止。
不断重启
[root@k8s-master cc]# kubectl get po -o wide -w NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES cluster-test-66bb44bd88-zdfdf 1/1 Running 33 (52m ago) 13d 172.16.85.200 k8s-node01 <none> <none> java-deployment-7b9f747b8d-9cpsw 0/1 OOMKilled 3 (2m1s ago) 6m32s 172.16.85.198 k8s-node01 <none> <none> java-deployment-7b9f747b8d-j6l22 0/1 OOMKilled 3 (118s ago) 6m32s 172.16.58.253 k8s-node02 <none> <none>
修改资源清单（解决问题）
limits: cpu: 100m memory: 300Mi
重新创建deployment
[root@k8s-master cc]# kubectl delete -f java-deployment.yaml [root@k8s-master cc]# kubectl create -f java-deployment.yaml [root@k8s-master cc]# kubectl get po -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES cluster-test-66bb44bd88-zdfdf 1/1 Running 33 (58m ago) 13d 172.16.85.200 k8s-node01 <none> <none> java-deployment-6d9c668fc5-6ftrk 1/1 Running 0 109s 172.16.85.202 k8s-node01 <none> <none> java-deployment-6d9c668fc5-crk2p 1/1 Running 0 109s 172.16.58.254 k8s-node02 <none> <none>
重新测试
[root@k8s-master cc]# curl 172.16.85.202:8080
{"code":20002,"msg":"账号不存在或密码错误"}[root@k8s-master cc]#
4、后端数据库实现
mysql:5.7.44，使用nfs挂载
1）检查是否存在mysql:5.7.44镜像
[root@k8s-node01 ~]# crictl images | grep mysql docker.io/library/mysql 5.7.44 5107333e08a87 520MB [root@k8s-node02 ~]# crictl images | grep mysql docker.io/library/mysql 5.7.44 5107333e08a87 520MB
2）创建资源清单
apiVersion: apps/v1 kind: Deployment metadata: name: mysql-deployment labels: app: mysql-deployment spec: replicas: 1 selector: matchLabels: app: mysql-deployment template: metadata: labels: app: mysql-deployment spec: containers: - name: mysql image: docker.io/library/mysql:5.7.44 imagePullPolicy: Never resources: requests: cpu: 100m memory: 100Mi limits: cpu: 100m memory: 200Mi ports: - name: mysqlport containerPort: 3306 volumeMounts: - name: localtime mountPath: /var/lib/mysql volumes: - name: localtime nfs: server: 10.0.0.99 path: /root/pes/mysql/data restartPolicy: Always
# 如果创建时不使用volumes挂载，则需要将数据导入数据库中 [root@k8s-master cc]# mysql -h172.16.85.222 -uzhangmin -pzhangmin < ~/project_exam_system.sql
3）创建deployment项目（出现问题）
[root@k8s-master cc]# kubectl create -f mysql-deployment.yaml [root@k8s-master cc]# kubectl get pod NAME READY STATUS RESTARTS AGE mysql-deployment-569c465d84-lrp2j 0/1 OOMKilled 2 (18s ago) 30s
修改资源清单（内存不够，扩大使用内存）
resources: requests: cpu: 100m memory: 100Mi limits: cpu: 100m memory: 1000Mi
重新创建deployment项目（出现问题）
“Permission denied”（权限被拒绝）
[root@k8s-master cc]# kubectl delete -f mysql-deployment.yaml [root@k8s-master cc]# kubectl create -f mysql-deployment.yaml [root@k8s-master cc]# kubectl get pod -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES mysql-deployment-6d67955c9d-lcvrn 0/1 Error 3 (75s ago) 3m14s 172.16.85.219 k8s-node01 <none> <none> [root@k8s-master cc]# kubectl logs mysql-deployment-6d67955c9d-lcvrn 2024-09-26 11:15:07+00:00 [Note] [Entrypoint]: Entrypoint script for MySQL Server 5.7.44-1.el7 started. find: '/var/lib/mysql/': Permission denied find: '/var/lib/mysql': Permission denied
修改nfs的文件共享权限
[root@nginx assets]# vim /etc/exports /root/pes/ *(rw,sync,no_root_squash) [root@nginx ~]# systemctl restart rpcbind.service [root@nginx ~]# systemctl restart nfs-server
再次创建deployment项目
[root@k8s-master cc]# kubectl delete -f mysql-deployment.yaml [root@k8s-master cc]# kubectl create -f mysql-deployment.yaml [root@k8s-master cc]# kubectl get pod -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES cluster-test-66bb44bd88-zdfdf 1/1 Running 41 (39m ago) 14d 172.16.85.200 k8s-node01 <none> <none> java-deployment-6d9c668fc5-6ftrk 1/1 Running 1 (84m ago) 7h42m 172.16.85.202 k8s-node01 <none> <none> java-deployment-6d9c668fc5-crk2p 1/1 Running 0 7h42m 172.16.58.254 k8s-node02 <none> <none> java-deployment-6d9c668fc5-hqxjw 1/1 Running 0 7h42m 172.16.58.255 k8s-node02 <none> <none> mysql-deployment-6d67955c9d-c4kbr 1/1 Running 0 23s 172.16.85.222 k8s-node01 <none> <none> web-deployment-7fd7479d49-6x4nn 1/1 Running 0 8h 172.16.58.251 k8s-node02 <none> <none> web-deployment-7fd7479d49-bxdp9 1/1 Running 0 8h 172.16.85.201 k8s-node01 <none> <none> web-deployment-7fd7479d49-xhjwb 1/1 Running 0 8h 172.16.58.252 k8s-node02 <none> <none>
4）测试验证
[root@k8s-master cc]# mysql -h172.16.85.224 -p'zhangmin' -uzhangmin Welcome to the MariaDB monitor. Commands end with ; or \g. Your MySQL connection id is 4 Server version: 5.7.44 MySQL Community Server (GPL) Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MySQL [(none)]> show databases; +---------------------+ | Database | +---------------------+ | information_schema | | mysql | | performance_schema | | project_exam_system | | sys | +---------------------+ 5 rows in set (0.08 sec)
5、web-service准备
1）创建资源清单
apiVersion: v1 kind: Service metadata: name: webservice spec: selector: app: web-deployment ports: - name: webport port: 80 targetPort: 80 nodePort: 32000 protocol: TCP type: NodePort
2）创建service项目
[root@k8s-master cc]# kubectl create -f web-service.yaml service/webservice created [root@k8s-master cc]# kubectl get svc NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 15d webservice NodePort 10.96.126.91 <none> 80:32000/TCP 19s
3）测试验证
找不到域名（设置域名）
此时，不能登录的原因是10.0.0.66的8080端口没有开发，也没有映射到java的pod上（也就是未连接后端）
[root@k8s-master cc]# netstat -lntup | grep 8080
6、java-service准备
1）创建资源清单
apiVersion: v1 kind: Service metadata: name: javaservice spec: selector: app: java-deployment type: NodePort sessionAffinity: None sessionAffinityConfig: clientIP: timeoutSeconds: 10800 ports: - name: javaport protocol: TCP port: 8080 targetPort: 8080 nodePort: 32100
2）创建service项目
[root@k8s-master cc]# kubectl create -f java-service.yaml [root@k8s-master cc]# kubectl get svc NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE javaservice NodePort 10.96.83.133 <none> 8080:32100/TCP 12m kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 15d webservice NodePort 10.96.126.91 <none> 80:32000/TCP 13h
3）测试验证
进行前后端连接
7、web与java连接
1）修改web连接java的配置文件
修改nfs服务器pes/web/assets中关于端口请求的文件，将8080端口修改为32100端口
[root@nginx assets]# pwd /root/pes/web/src/dist/assets [root@nginx assets]# for fn in $(ls *.js) ; do echo $fn ; done AdminView-yX0Ltz_1.js CategoryView-Ca4t3JNT.js ...... [root@nginx assets]# for fn in $(ls *.js) ; do echo $fn ; cat $fn | grep 8080 ; done index-8SnX15u9.js http://bu.yuanyu.zhangmin:8080 # 将8080改为32100 [root@nginx assets]# vim index-8SnX15u9.js "http://bu.yuanyu.zhangmin:32100",
2）测试验证
测试 web服务发送登录请求会发送的32100端口上，就直接可以访问java服务了
前端访问的时候，发现500错误
# 检查java日志，发现连接不到数据库 [root@k8s-master cc]# kubectl logs java-deployment-6d9c668fc5-j9dmm Caused by: java.net.NoRouteToHostException: No route to host at java.base/sun.nio.ch.Net.pollConnect(Native Method)
8、java与数据库连接
1）修改java连接数据库的配置文件
[root@nginx assets]# vim ~/pes/java/src/application.properties spring.datasource.url=jdbc:mysql://pesmysql:3306/project_exam_system # 浏览器访问后查看java日志 [root@k8s-master cc]# kubectl logs java-deployment-6d9c668fc5-28lvt Caused by: java.net.UnknownHostException: pesmysql at java.base/java.net.InetAddress$CachedAddresses.get(InetAddress.java:801) at java.base/java.net.InetAddress.getAllByName0(InetAddress.java:1532) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1384) at java.base/java.net.InetAddress.getAllByName(InetAddress.java:1305) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:130) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 16 common frames omitted
2）mysql-service资源清单
apiVersion: v1 kind: Service metadata: name: pesmysql spec: selector: app: mysql-deployment type: ClusterIP sessionAffinity: None sessionAffinityConfig: clientIP: timeoutSeconds: 10800 ports: - name: mysqlport protocol: TCP port: 3306 targetPort: 3306
3）创建service项目
[root@k8s-master cc]# kubectl create -f mysql-service.yaml [root@k8s-master cc]# kubectl get svc NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE javaservice NodePort 10.96.83.133 <none> 8080:32100/TCP 99m kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 15d pesmysql ClusterIP 10.96.62.94 <none> 3306/TCP 20m webservice NodePort 10.96.126.91 <none> 80:32000/TCP 14h
4）测试验证
[root@k8s-master cc]# kubectl exec -it cluster-test-66bb44bd88-zdfdf -- bash (02:16 cluster-test-66bb44bd88-zdfdf:/) nslookup pesmysql Server: 10.96.0.10 Address: 10.96.0.10#53 Name: pesmysql.default.svc.cluster.local Address: 10.96.62.94
5）查看数据库数据
MySQL [sys]> use project_exam_system MySQL [project_exam_system]> show tables; | user | +-------------------------------+ MySQL [project_exam_system]> select * from user; +-----+--------------+----------+--------+---------------------+----------+---------------------+--------+-------+ | id | userName | password | status | createTime | createOr | editTime | editOr | isDel | +-----+--------------+----------+--------+---------------------+----------+---------------------+--------+-------+ | 1 | 21001189 | 111111 | 0 | 2024-08-21 09:45:05 | NULL | 2024-08-22 14:04:44 | NULL | 0 | | 2 | 21001190 | 111111 | 0 | 2024-08-21 09:45:05 | NULL | 2024-08-21 01:45:05 | NULL | 0 |
9、最终测试
[root@k8s-master cc]# ls java-deployment.yaml java-service.yaml mysql-deployment.yaml mysql-service.yaml web-deployment.yaml web-service.yaml [root@k8s-master cc]# kubectl get svc NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE javaservice NodePort 10.96.44.204 <none> 8080:32100/TCP 5h24m kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 15d pesmysql ClusterIP 10.96.129.65 <none> 3306/TCP 16m webservice NodePort 10.96.144.91 <none> 80:32000/TCP 5h25m [root@k8s-master cc]# kubectl get pod NAME READY STATUS RESTARTS AGE cluster-test-66bb44bd88-w7hws 1/1 Running 4 (13m ago) 4h18m java-deployment-b7857bbf-2zldq 1/1 Running 0 47m java-deployment-b7857bbf-zj564 1/1 Running 0 47m mysql-deployment-755cb9cbb6-m6qwn 1/1 Running 0 27m web-deployment-7b85c4bc87-454jn 1/1 Running 0 55m web-deployment-7b85c4bc87-qbc2m 1/1 Running 0 55m
四、优化1（pv部分）
1、web部分
1）web的pv创建
资源清单
apiVersion: v1 kind: PersistentVolume metadata: name: pv-nfs spec: capacity: storage: 7Gi volumeMode: Filesystem accessModes: - ReadWriteOnce persistentVolumeReclaimPolicy: Recycle storageClassName: nfs-slow nfs: path: /root/pes/web/src/dist server: 10.0.0.99
创建
[root@k8s-master cc]# kubectl create -f pv-nfs.yaml persistentvolume/pv-nfs created [root@k8s-master cc]# kubectl get pv NAME CAPACITY ACCESS MODES RECLAIM POLICY STATUS CLAIM STORAGECLASS REASON AGE pv-nfs 7Gi RWO Recycle Available nfs-slow 84s
2）web的pvc创建
资源清单
apiVersion: v1 kind: PersistentVolumeClaim metadata: name: pvc-nfs spec: storageClassName: nfs-slow accessModes: - ReadWriteOnce resources: requests: storage: 4Gi
创建
[root@k8s-master cc]# kubectl create -f pvc-nfs.yaml persistentvolumeclaim/pvc-nfs created [root@k8s-master cc]# kubectl get pvc NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE pvc-nfs Bound pv-nfs 7Gi RWO nfs-slow 9s
3）修改deployment资源清单
volumes: - name: pesdist persistentVolumeClaim: claimName: pvc-nfs
重新创建
[root@k8s-master cc]# kubectl delete -f web-deployment.yaml [root@k8s-master cc]# kubectl create -f web-deployment.yaml
4）测试
[root@k8s-master cc]# curl 172.16.85.236 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <link rel="icon" href="/favicon.ico"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Vite App</title> <script type="module" crossorigin src="/assets/index-C4kAShR5.js"></script> <link rel="stylesheet" crossorigin href="/assets/index-CSz7ARPP.css"> </head> <body> <div id="app"></div> </body> </html>
2、java部分
1）java的pv创建
资源清单
apiVersion: v1 kind: PersistentVolume metadata: name: java-pv-nfs spec: capacity: storage: 7Gi volumeMode: Filesystem accessModes: - ReadWriteOnce persistentVolumeReclaimPolicy: Recycle storageClassName: nfs-slow nfs: path: /root/pes/java/src server: 10.0.0.99
创建
[root@k8s-master cc]# kubectl create -f java-pv-nfs.yaml
2）java的pvc创建
资源清单
apiVersion: v1 kind: PersistentVolumeClaim metadata: name: java-pvc-nfs spec: storageClassName: nfs-slow accessModes: - ReadWriteOnce resources: requests: storage: 4Gi
创建
[root@k8s-master cc]# kubectl create -f java-pvc-nfs.yaml
3）修改deployment资源清单
volumes: - name: pesjava persistentVolumeClaim: claimName: java-pvc-nfs
重新创建
[root@k8s-master cc]# kubectl delete -f java-deployment.yaml [root@k8s-master cc]# kubectl create -f java-deployment.yaml
4）测试
[root@k8s-master cc]# curl 172.16.85.243:8080
{"code":20002,"msg":"账号不存在或密码错误"}[root@k8s-master cc]#
3、mysql部分
1）mysql的pv创建
资源清单
apiVersion: v1 kind: PersistentVolume metadata: name: mysql-pv-nfs spec: capacity: storage: 7Gi volumeMode: Filesystem accessModes: - ReadWriteOnce persistentVolumeReclaimPolicy: Recycle storageClassName: nfs-slow nfs: path: /root/pes/mysql/data server: 10.0.0.99
创建
[root@k8s-master cc]# kubectl create -f mysql-pv-nfs.yaml
2）mysql的pvc创建
资源清单
apiVersion: v1 kind: PersistentVolumeClaim metadata: name: mysql-pvc-nfs spec: storageClassName: nfs-slow accessModes: - ReadWriteOnce resources: requests: storage: 4Gi
创建
[root@k8s-master cc]# kubectl create -f mysql-pvc-nfs.yaml
3）修改deployment资源清单
volumes: - name: localtime persistentVolumeClaim: claimName: mysql-pvc-nfs
重新创建
[root@k8s-master cc]# kubectl delete -f mysql-deployment.yaml [root@k8s-master cc]# kubectl create -f mysql-deployment.yaml
4）测试
[root@k8s-master cc]# mysql -h172.16.85.242 -uzhangmin -pzhangmin Welcome to the MariaDB monitor. Commands end with ; or \g. Your MySQL connection id is 2 Server version: 5.7.44 MySQL Community Server (GPL) Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MySQL [(none)]>
4、最终测试
[root@k8s-master cc]# kubectl get pv NAME CAPACITY ACCESS MODES RECLAIM POLICY STATUS CLAIM STORAGECLASS REASON AGE java-pv-nfs 7Gi RWO Recycle Bound default/java-pvc-nfs nfs-slow 60m mysql-pv-nfs 7Gi RWO Recycle Bound default/mysql-pvc-nfs nfs-slow 40m pv-nfs 7Gi RWO Recycle Bound default/pvc-nfs nfs-slow 74m [root@k8s-master cc]# kubectl get pvc NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE java-pvc-nfs Bound java-pv-nfs 7Gi RWO nfs-slow 60m mysql-pvc-nfs Bound mysql-pv-nfs 7Gi RWO nfs-slow 40m pvc-nfs Bound pv-nfs 7Gi RWO nfs-slow 74m
五、优化2（ingress部分）
1、创建web的ingress
资源清单
apiVersion: networking.k8s.io/v1 kind: Ingress metadata: name: web-ingress namespace: default spec: ingressClassName: nginx rules: - host: wp-web.com http: paths: - path: / pathType: ImplementationSpecific backend: service: name: web-service port: number: 80
创建
[root@k8s-master cc]# kubectl create -f web-ingress.yaml
2、最终测试
[root@k8s-master cc]# kubectl get ingress NAME CLASS HOSTS ADDRESS PORTS AGE web-ingress nginx wp-web.com 80 20m
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