Kubernetes——part9-2 kubernetes集群java项目上云部署

在这里插入图片描述

一、部署前准备工作

1.1 部署项目情况

1.1.1 业务部署架构

单体服务架构
分布式服务架构
微服务架构
超微服务架构

1.1.2 项目涉及第三方服务

关系型数据库系统 MySQL
缓存服务 Redis memcache
协调服务 zookeeper
消息中间件服务 kafka rabbitmq
服务注册服务发现 nacos

1.1.3 项目所需要的资源

计算资源
- cpu
- 内存
存储资源
- 本地存储
- 网络存储

1.2 部署项目所需要的k8s资源

1.2.1 多k8s集群资源

测试环境
开发环境
预发布环境
生产环境

1.2.2 使用namespace隔离项目或环境

每项目独立使用namespace
每环境独立使用namespace

1.2.3 有状态应用部署

部署时考虑哪些系统使用有状态应用部署方式

statefulset
数据持久化存储动态供给（pv及pvc）
例如：mysql

1.2.4 无状态应用部署

deployment
数据持久化存储动态供给
例如：tomcat

1.2.5 暴露外部访问

service类型
- 有状态应用部署使用headless service
- 无状态应用部署使用ClusterIP
暴露服务方式
- ingress
- api gateway

1.2.6 密钥及配置管理

configmap
- mysql配置文件
secret
- k8s集群使用harbor私有项目仓库镜像

1.3 项目基础镜像准备

本次发布一个java项目，以war包方式发布，需要使用tomcat做为项目基础镜像。可直接下载使用，也可选择定制。

1.3.1 定制tomcat镜像

1.3.1.1 直接下载

直接下载
[root@harborserver ~]# docker pull tomcat

1.3.1.2 通过Dockerfile文件定制

[root@harborserver ~]# mkdir tomcatdockerfile
[root@harborserver ~]# cd tomcatdockerfile/
[root@harborserver tomcatdockerfile]# cat Dockerfile
FROM centos:centos7
MAINTAINER "admin<admin@kubemsb.com>"

ENV VERSION=8.5.81
ENV JAVA_HOME=/usr/local/jdk

RUN yum -y install wget

RUN wget https://dlcdn.apache.org/tomcat/tomcat-8/v${VERSION}/bin/apache-tomcat-${VERSION}.tar.gz --no-check-certificate

RUN tar xf apache-tomcat-${VERSION}.tar.gz

RUN mv apache-tomcat-${VERSION} /usr/local/tomcat

RUN rm -rf apache-tomcat-${VERSION}.tar.gz /usr/local/tomcat/webapps/*

RUN mkdir /usr/local/tomcat/webapps/ROOT

ADD ./jdk /usr/local/jdk

RUN echo "export TOMCAT_HOME=/usr/local/tomcat" >> /etc/profile

RUN echo "export JAVA_HOME=/usr/local/jdk" >> /etc/profile

RUN echo "export PATH=$TOMCAT_HOME/bin:$JAVA_HOME/bin:$PATH" >> /etc/profile

RUN echo "export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar" >> /etc/profile

RUN source /etc/profile

EXPOSE 8080

CMD ["/usr/local/tomcat/bin/catalina.sh","run"]

[root@harborserver tomcatdockerfile]# ll
总用量 4
-rw-r--r-- 1 root root 865 1月  15 16:44 Dockerfile
drwxr-xr-x 7   10  143 245 10月  6 2018 jdk

[root@harborserver tomcatdockerfile]# docker build -t www.kubemsb.com/java-project/tomcat:8581 .

......
Successfully built db4db20a6c85
Successfully tagged www.kubemsb.com/java-project/tomcat:8581

[root@harborserver ~]# docker images
REPOSITORY                           TAG        IMAGE ID       CREATED          SIZE
www.kubemsb.com/javap/tomcat         8581       db4db20a6c85   11 minutes ago   817MB

[root@harborserver ~]# docker login www.kubemsb.com
Username: admin
Password: 12345
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded



[root@harborserver ~]# docker push www.kubemsb.com/java-project/tomcat:8581

1.3.2 在harbor验证tomcat镜像是否上传

在这里插入图片描述

1.4 项目编排部署

1.4.1 项目资源

JAVA项目源码
JAVA项目容器镜像
JAVA项目资源清单文件
数据库系统 MySQL

1.4.2 项目镜像构建方法

手动构建容器镜像（Dockerfile）
自动构建容器镜像（jenkins ci/cd）

1.5 项目部署工作流程

基于项目源码制作容器镜像
编写项目部署资源清单文件
使用资源清单文件创建项目 Service
使用ingress暴露服务实现项目对外可访问

1.6 项目部署基础环境架构

在这里插入图片描述

二、存储准备

本次使用NFS服务做为K8S集群后端存储，实现kubernetes集群持久存储动态供给，详细可见kubernetes集群公共服务章节。

[root@master01 ~]# kubectl get storageclass
NAME         PROVISIONER                                   RECLAIMPOLICY   VOLUMEBINDINGMODE   ALLOWVOLUMEEXPANSION   AGE
nfs-client   k8s-sigs.io/nfs-subdir-external-provisioner   Delete          Immediate           false                  10s

三、项目容器镜像仓库及项目源码准备

3.1 项目容器容器仓库准备

3.1.1 Harbor部署

参考kubernetes集群公共服务中容器镜像托管仓库章节

3.1.2 Harbor添加项目容器镜像仓库

在这里插入图片描述

3.2 项目源码及编译环境准备

3.2.1 项目源码准备

[root@harbor ~]# ls
anaconda-ks.cfg  initial-setup-ks.cfg  javaproject  公共  模板  视频  图片  文档  下载  音乐  桌面
[root@harbor ~]# cd javaproject/
[root@harbor javaproject]# ls
project-source  tomcatdockerfile
[root@harbor javaproject]# ls project-source/
db  pro-source
[root@harbor javaproject]# ls project-source/db
test.sql
[root@harbor javaproject]# ls project-source/pro-source/
java-project
[root@harbor javaproject]# ls project-source/pro-source/java-project/
Dockerfile   LICENSE  pom.xml  README.md  src  
[root@harbor javaproject]# ls project-source/pro-source/java-project/src
main 源码目录

[root@harbor java-project]# cat Dockerfile
FROM www.kubemsb.com/java-project/tomcat:8581
LABEL maintainer "admin <admin@kubemsb.com>"
RUN rm -rf /usr/local/tomcat/webapps/*
ADD target/*.war /usr/local/tomcat/webapps/ROOT.war

[root@harbor java-project]# cat README.md
> ### SQL文件: db/test.sql
> ### 数据库配置：src/main/resources/application.yml

[root@harbor java-project]# cat src/main/resources/application.yml
server:
  port: 8080
spring:
  datasource:
    url: jdbc:mysql://db-0.mysql.javaproject:3306/test?characterEncoding=utf-8
    username: root
    password: 123456
    driver-class-name: com.mysql.jdbc.Driver
  freemarker:
    allow-request-override: false
    cache: true
    check-template-location: true
    charset: UTF-8
    content-type: text/html; charset=utf-8
    expose-request-attributes: false
    expose-session-attributes: false
    expose-spring-macro-helpers: false
    suffix: .ftl
    template-loader-path:
      - classpath:/templates/

3.2.2 项目编译环境准备 jdk & maven

用于对java项目代码进行编译打包代码

3.2.2.1 下载maven

在这里插入图片描述

[root@harborserver ~]# wget http://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz

3.2.2.2 安装maven

必须要有官方的jdk，不然maven会报错
[root@harborserver ~]# ls
jdk-8u191-linux-x64.tar.gz 

[root@harborserver ~]# tar xf jdk-8u191-linux-x64.tar.gz
[root@harborserver ~]# ls

jdk1.8.0_191  

[root@harborserver ~]# mv jdk1.8.0_191 /usr/local/jdk
[root@harborserver ~]# ls /usr/local/jdk
bin             lib          src.zip
COPYRIGHT       LICENSE      THIRDPARTYLICENSEREADME-JAVAFX.txt
include         man          THIRDPARTYLICENSEREADME.txt
javafx-src.zip  README.html
jre             release


[root@harborserver ~]# ls
apache-maven-3.6.3-bin.tar.gz        

[root@harborserver ~]# tar xf apache-maven-3.6.3-bin.tar.gz
[root@harborserver ~]# ls

apache-maven-3.6.3               

[root@harborserver ~]# mv apache-maven-3.6.3 /usr/local/maven

[root@harborserver ~]# ls /usr/local/maven/
bin  boot  conf  lib  LICENSE  NOTICE  README.txt

[root@harborserver ~]# cat /etc/profile.d/maven.sh
export JAVA_HOME=/usr/local/jdk
export MAVEN_HOME=/usr/local/maven
export PATH=${MAVEN_HOME}/bin:${JAVA_HOME}/bin:$PATH


[root@harborserver ~]# source /etc/profile


[root@harborserver ~]# mvn -v
Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
Maven home: /usr/local/maven
Java version: 1.8.0_191, vendor: Oracle Corporation, runtime: /usr/local/jdk/jre
Default locale: zh_CN, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-1062.9.1.el7.x86_64", arch: "amd64", family: "unix"

四、项目部署

4.1 本项目部署思路

4.1.1 本次部署的应用

数据库 MySQL
Web应用 Tomcat

4.1.2 有状态应用与无状态应用部署规划

mysql
- statefulset控制器
- headless service
- pv,pvc 存储资源动态供给
tomcat（java应用）
- deployment控制器
- ClusterIP Service
- Ingress 服务暴露实现集群外访问

4.2 项目资源清单文件准备

4.2.1 项目文件总览

[root@harbor java-project]# pwd
/root/javaproject/project-source/pro-source/java-project
[root@harbor java-project]# ls
Dockerfile  LICENSE  pom.xml  README.md  src

[root@nginx 03_java_project]# ls
01_ns.yaml  02_deployment.yaml  03_service.yaml  04_ingress.yaml  05_mysql.yaml  06_create_pod_busybox.yaml

4.2.2 资源清单文件准备

4.2.2.1 namespace资源清单文件

用于实现项目隔离

# cat 01_ns.yaml
apiVersion: v1
kind: Namespace
metadata:
  name: javaproject

4.2.2.2 部署java项目资源清单文件

用于部署java项目

# cat 02_deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
  name: java-project
  namespace: javaproject
spec:
  replicas: 2
  selector:
    matchLabels:
      project: www
      app: java-demo
  template:
    metadata:
      labels:
        project: www
        app: java-demo
    spec:
      imagePullSecrets:
      - name: harborreg #认证信息
      containers:
      - name: tomcat
        image: www.kubemsb.com/java-project/java-project:v1 #镜像
        imagePullPolicy: Always
        ports:
        - containerPort: 8080
          name: web
          protocol: TCP
        resources:
          requests:
            cpu: 0.5
            memory: 1Gi
          limits:
            cpu: 1
            memory: 2Gi
        livenessProbe:
          httpGet:
            path: /
            port: 8080
          initialDelaySeconds: 60
          timeoutSeconds: 20
        readinessProbe:
          httpGet:
            path: /
            port: 8080
          initialDelaySeconds: 60
          timeoutSeconds: 20

4.2.2.3 项目服务（service）资源清单文件

用于创建service

# cat 03_service.yaml
apiVersion: v1
kind: Service
metadata:
  name: java-project
  namespace: javaproject
spec:
  selector:
    project: www
    app: java-demo
  ports:
  - name: web
    port: 80
    targetPort: 8080

4.2.2.4 Ingress对象资源清单文件

需要提前部署 ingress控制器

# cat 04_ingress.yaml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: java-project
  namespace: javaproject
  annotations:
    ingressclass.kubernetes.io/is-default-class: "true"
    kubernetes.io/ingress.class: nginx
spec:
  rules:
    - host: javaweb.kubemsb.com
      http:
        paths:
        - pathType: Prefix
          path: /
          backend:
            service:
              name: java-project
              port:
                number: 80

4.2.2.5 mysql部署资源清单文件

# cat 05_mysql.yaml
apiVersion: v1
kind: Service
metadata:
  name: mysql
  namespace: javaproject
spec:
  ports:
  - port: 3306
    name: mysql
  clusterIP: None
  selector:
    app: mysql-public

---

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: db
  namespace: javaproject
spec:
  selector:
    matchLabels:
      app: mysql-public
  serviceName: "mysql"
  template:
    metadata:
      labels:
        app: mysql-public
    spec:
      containers:
      - name: mysql
        image: mysql:5.7
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: "123456"
        - name: MYSQL_DATABASE
          value: test
        ports:
        - containerPort: 3306
        volumeMounts:
        - mountPath: "/var/lib/mysql"
          name: mysql-data
  volumeClaimTemplates:
  - metadata:
      name: mysql-data
    spec:
      accessModes: ["ReadWriteMany"]
      storageClassName: "nfs-client"
      resources:
        requests:
          storage: 5Gi

4.2.2.6 mysql访问测试pod

# cat 06_create_pod_busybox.yaml
apiVersion: v1
kind: Pod
metadata:
  name: busybox-pod
spec:
  containers:
  - name: busybox-container
    image: busybox:1.28.4  #此镜像nslookup及ping命令都没有问题，不要下载最新版本和1.31。
    imagePullPolicy: IfNotPresent
    command:
    - sleep
    - "3600"
  restartPolicy: Always

4.3 项目数据库 Mysql部署

4.3.1 创建命名空间

# kubectl apply -f http://yaml.kubemsb.com/03_java_project/01_ns.yaml

[root@master01 ~]# kubectl get ns
NAME               STATUS   AGE
calico-apiserver   Active   7d15h
calico-system      Active   7d16h
default            Active   12d
ingress-nginx      Active   2d22h
javaproject        Active   6s
kube-node-lease    Active   12d
kube-public        Active   12d
kube-system        Active   12d
metallb-system     Active   2d22h
tigera-operator    Active   7d16h

4.3.2 部署数据库

# kubectl apply -f http://yaml.kubemsb.com/03_java_project/05_mysql.yaml

[root@master01 ~]# kubectl get all -n javaproject
NAME       READY   STATUS    RESTARTS   AGE
pod/db-0   1/1     Running   0          19s

NAME            TYPE        CLUSTER-IP   EXTERNAL-IP   PORT(S)    AGE
service/mysql   ClusterIP   None         <none>        3306/TCP   19s

NAME                  READY   AGE
statefulset.apps/db   1/1     19s

[root@nfs ~]# ls /sdb/
javaproject-mysql-data-db-0-pvc-9f616f77-9995-4f11-ad57-833038186777

[root@nfs ~]# ls /sdb/javaproject-mysql-data-db-0-pvc-9f616f77-9995-4f11-ad57-833038186777/
auto.cnf    ca.pem           client-key.pem  ibdata1      ib_logfile1  mysql               private_key.pem  server-cert.pem  sys
ca-key.pem  client-cert.pem  ib_buffer_pool  ib_logfile0  ibtmp1       performance_schema  public_key.pem   server-key.pem   test

4.3.3 导入数据库

[root@harbor project-source]# scp db/test.sql 192.168.10.11:/root

[root@master01 ~]# kubectl get pods -n javaproject
NAME   READY   STATUS    RESTARTS   AGE
db-0   1/1     Running   0          15m
[root@master01 ~]# kubectl cp test.sql db-0:/ -n javaproject
[root@master01 ~]# kubectl exec -it db-0 -n javaproject -- bash
root@db-0:/# ls
bin   dev                         entrypoint.sh  home  lib64  mnt  proc  run   srv  test.sql  usr
boot  docker-entrypoint-initdb.d  etc            lib   media  opt  root  sbin  sys  tmp       var
root@db-0:/# mysql -uroot -p123456
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.38 MySQL Community Server (GPL)

Copyright (c) 2000, 2022, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> use test;
Database changed
mysql> source /test.sql;
Query OK, 0 rows affected (0.00 sec)

Query OK, 0 rows affected, 1 warning (0.01 sec)

Query OK, 0 rows affected (0.02 sec)

mysql> show tables;
+----------------+
| Tables_in_test |
+----------------+
| user           |
+----------------+
1 row in set (0.00 sec)

mysql> desc user;
+-------+-------------+------+-----+---------+----------------+
| Field | Type        | Null | Key | Default | Extra          |
+-------+-------------+------+-----+---------+----------------+
| id    | bigint(20)  | NO   | PRI | NULL    | auto_increment |
| name  | varchar(30) | NO   |     | NULL    |                |
| age   | int(11)     | YES  |     | 0       |                |
| sex   | char(1)     | YES  |     | 0       |                |
+-------+-------------+------+-----+---------+----------------+
4 rows in set (0.02 sec)

4.3.4 验证数据库可用性

# kubectl apply -f http://yaml.kubemsb.com/03_java_project/06_create_pod_busybox.yaml

[root@master01 ~]# kubectl get pods
NAME                                      READY   STATUS    RESTARTS   AGE
busybox-pod                               1/1     Running   0          4s
nfs-client-provisioner-6446865dff-pqtfj   1/1     Running   1          5d22h
[root@master01 ~]# kubectl exec -it busybox-pod -- sh
/ # nslookup db-0.mysql.javaproject
Server:    10.96.0.10
Address 1: 10.96.0.10 kube-dns.kube-system.svc.cluster.local

Name:      db-0.mysql.javaproject
Address 1: 10.224.30.77 db-0.mysql.javaproject.svc.cluster.local
/ # nslookup db-0.mysql.javaproject.svc.cluster.local.
Server:    10.96.0.10
Address 1: 10.96.0.10 kube-dns.kube-system.svc.cluster.local

Name:      db-0.mysql.javaproject.svc.cluster.local.
Address 1: 10.224.30.77 db-0.mysql.javaproject.svc.cluster.local

4.4 项目源码编译打包

4.4.1 修改项目连接数据库地址

[root@harbor java-project]# pwd
/root/javaproject/project-source/pro-source/java-project
[root@harbor java-project]# ls
Dockerfile  LICENSE  pom.xml  README.md  src
[root@harbor java-project]# cd src/
[root@harbor src]# ls
main
[root@harbor src]# cd main/
[root@harbor main]# ls
java  resources
[root@harbor main]# cd resources/
[root@harbor resources]# ls
application.yml  log4j.properties  static  templates
[root@harbor resources]# vim application.yml
[root@harbor resources]# cat application.yml
server:
  port: 8080
spring:
  datasource:
    url: jdbc:mysql://db-0.mysql.javaproject:3306/test?characterEncoding=utf-8
    username: root
    password: 123456
    driver-class-name: com.mysql.jdbc.Driver
  freemarker:
    allow-request-override: false
    cache: true
    check-template-location: true
    charset: UTF-8
    content-type: text/html; charset=utf-8
    expose-request-attributes: false
    expose-session-attributes: false
    expose-spring-macro-helpers: false
    suffix: .ftl
    template-loader-path:
      - classpath:/templates/

4.4.2 使用maven编译项目源码

[root@harbor java-project]# pwd
/root/javaproject/project-source/pro-source/java-project
[root@harbor java-project]# mvn clean package
[INFO] Scanning for projects...
[INFO]
[INFO] ---------------------< com.kubemsb:kubemsb-tomcat >---------------------
[INFO] Building kubemsb-tomcat 0.0.1-Test
[INFO] --------------------------------[ war ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:3.0.0:clean (default-clean) @ kubemsb-tomcat ---
[INFO]
[INFO] --- maven-resources-plugin:3.0.1:resources (default-resources) @ kubemsb-tomcat ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] Copying 136 resources
[INFO]
[INFO] --- maven-compiler-plugin:3.7.0:compile (default-compile) @ kubemsb-tomcat ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 7 source files to /root/javaproject/project-source/pro-source/java-project/target/classes
[INFO]
[INFO] --- maven-resources-plugin:3.0.1:testResources (default-testResources) @ kubemsb-tomcat ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /root/javaproject/project-source/pro-source/java-project/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.7.0:testCompile (default-testCompile) @ kubemsb-tomcat ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-surefire-plugin:2.21.0:test (default-test) @ kubemsb-tomcat ---
[INFO] No tests to run.
[INFO]
[INFO] --- maven-war-plugin:3.1.0:war (default-war) @ kubemsb-tomcat ---
[INFO] Packaging webapp
[INFO] Assembling webapp [kubemsb-tomcat] in [/root/javaproject/project-source/pro-source/java-project/target/kubemsb-tomcat-0.0.1-Test]
[INFO] Processing war project
[INFO] Webapp assembled in [166 msecs]
[INFO] Building war: /root/javaproject/project-source/pro-source/java-project/target/kubemsb-tomcat-0.0.1-Test.war
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  4.594 s
[INFO] Finished at: 2022-07-05T12:02:11+08:00
[INFO] ------------------------------------------------------------------------

[root@harbor java-project]# ls
Dockerfile  LICENSE  pom.xml  README.md  src  target
[root@harbor java-project]# ls target/
classes  generated-sources  kubemsb-tomcat-0.0.1-Test  kubemsb-tomcat-0.0.1-Test.war  maven-archiver  maven-status

4.5 生成项目容器镜像制品

[root@harbor java-project]# pwd
/root/javaproject/project-source/pro-source/java-project
[root@harbor java-project]# ls
Dockerfile  LICENSE  pom.xml  README.md  src  target
[root@harbor java-project]# docker build -t www.kubemsb.com/java-project/java-project:v1 .
Sending build context to Docker daemon  42.44MB
Step 1/4 : FROM www.kubemsb.com/java-project/tomcat:8581
 ---> 7522e6998fbf
Step 2/4 : LABEL maintainer "admin <admin@kubemsb.com>"
 ---> Using cache
 ---> 4e61597e580c
Step 3/4 : RUN rm -rf /usr/local/tomcat/webapps/*
 ---> Using cache
 ---> fda908c158cd
Step 4/4 : ADD target/*.war /usr/local/tomcat/webapps/ROOT.war
 ---> c74ffbdeae67
Successfully built c74ffbdeae67
Successfully tagged www.kubemsb.com/java-project/java-project:v1

[root@harbor java-project]# docker login www.kubemsb.com
Authenticating with existing credentials...
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded

[root@harbor java-project]# docker push www.kubemsb.com/java-project/java-project:v1

在这里插入图片描述

4.6 项目部署

# kubectl apply -f http://yaml.kubemsb.com/03_java_project/02_deployment.yaml

[root@master01 ~]# kubectl get pods -n javaproject
NAME                            READY   STATUS    RESTARTS   AGE
db-0                            1/1     Running   0          38m
java-project-6f74d5b85c-ckq42   0/1     Running   0          43s
java-project-6f74d5b85c-dvvcl   0/1     Running   0          43s

# kubectl apply -f http://yaml.kubemsb.com/03_java_project/03_service.yaml

[root@master01 ~]# kubectl get svc -n javaproject
NAME           TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
java-project   ClusterIP   10.106.90.232   <none>        80/TCP     57s
mysql          ClusterIP   None            <none>        3306/TCP   39m

# kubectl apply -f http://yaml.kubemsb.com/03_java_project/04_ingress.yaml

[root@master01 ~]# kubectl get ingress -n javaproject
NAME           CLASS    HOSTS                 ADDRESS         PORTS   AGE
java-project   <none>   javaweb.kubemsb.com   192.168.10.13   80      73s

五、访问验证

[root@master01 ~]# kubectl get svc -n ingress-nginx
NAME                                 TYPE           CLUSTER-IP       EXTERNAL-IP     PORT(S)                      AGE
ingress-nginx-controller             LoadBalancer   10.97.68.236     192.168.10.90   80:32567/TCP,443:31146/TCP   2d22h
ingress-nginx-controller-admission   ClusterIP      10.106.171.219   <none>          443/TCP                      2d22h