标签:yaml install cas ack mit 上线 clone 构建环境 tor
k8s 实战使用Service ClusterIP类型暴露集群内部的应用访问
$ mkdir ~/base_env/ && cd ~/base_env
$ vim Dockerfile
FROM centos:7
LABEL maintainer="waanghui@qq.com"
ENV tomcat_version="8.5.57"
代码提交至代码仓库: http://192.168.56.19:9999/root/java-demo.git (如何部署代码仓库可以联系QQ 122725501协助:)
代码编译
编译机安装好编译环境(yum install java-1.8.0-openjdk maven -y)
$ vi /etc/maven/settings.xml
<mirrors>
<mirror>
<id>central</id>
<mirrorOf>central</mirrorOf>
<name>aliyun maven</name>
<url>https://maven.aliyun.com/repository/public</url>
</mirror>
</mirrors>
$ cd java-demo
$ mvn clean package -D maven.test.skip=true
$ vim Dockerfile
FROM hub.cropy.cn/base/tomcat:v1
LABEL maintainer="wanghui@qq.com"
RUN rm -rf /usr/local/tomcat/webapps/*
COPY target/*.war /usr/local/tomcat/webapps/ROOT.war
$ docker build -t hub.cropy.cn/demo/java-demo:v1 .
$ docker push hub.cropy.cn/demo/java-demo:v1
k8s服务编排部署项目
$ vim namespace.yaml
apiVersion: v1
kind: Namespace
metadata:
name: test
$ kubectl apply -f namespace.yaml
# 需要创建hub仓库的secret
$ kubectl create secret docker-registry docker-regsitry-auth --docker-server="hub.cropy.cn" --docker-username="admin" --docker-password="Harbor12345" -n test
$ vim deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: java-demo
namespace: test
spec:
replicas: 2
selector:
matchLabels:
project: www
app: java-demo
template:
metadata:
labels:
project: www
app: java-demo
spec:
imagePullSecrets:
- name: "docker-regsitry-auth"
containers:
- image: hub.cropy.cn/demo/java-demo:v1
name: java-demo
imagePullPolicy: Always
ports:
- containerPort: 8080
name: web
protocol: TCP
resources:
requests:
cpu: 0.5
memory: 0.5Gi
limits:
cpu: 1
memory: 2Gi
livenessProbe:
httpGet:
path: /
port: 8080
initialDelaySeconds: 60
timeoutSeconds: 20
readinessProbe:
httpGet:
path: /
port: 8080
initialDelaySeconds: 60
timeoutSeconds: 20
$ kubectl apply -f deployment.yaml
$ kubectl get pod -n test -o wide
$ vim service.yaml
apiVersion: v1
kind: Service
metadata:
labels:
app: java-demo
name: java-demo
namespace: test
spec:
ports:
- port: 80
protocol: TCP
targetPort: 8080
nodePort: 30018
selector:
app: java-demo
project: www
type: NodePort
$ kubectl apply -f service.yaml
$ kubectl get ep -n test
node节点访问测试
$ vim ingress.yaml
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: java-demo
namespace: test
spec:
rules:
- host: java.cropy.cn
http:
paths:
- path: /
backend:
serviceName: java-demo
servicePort: 80
$ kubectl apply -f ingress.yaml
$ kubectl get ing -n test
外网用户加入k8s任意集群节点的ip:java.cropy.cn 到hosts完成解析,就可以使用域名访问了
$ helm install java-demo-db --set persistence.storageClass="managed-nfs-storage" stable/mysql
$ MYSQL_ROOT_PASSWORD=$(kubectl get secret --namespace default java-demo-db-mysql -o jsonpath="{.data.mysql-root-password}" | base64 --decode; echo)
$ echo $MYSQL_ROOT_PASSWORD #获取数据库密码
$ mysql -h java-demo-db-mysql -p #-h 这里的host是mysql的svc
E2szJIvuhI
$ kubectl get pods
NAME READY STATUS RESTARTS AGE
java-demo-db-mysql-745b9688b8-7f5fn 1/1 Running 0 93s
$ kubectl cp db/tables_ly_tomcat.sql java-demo-db-mysql-745b9688b8-7f5fn:/ #拷贝sql文件到数据库容器,然后导入数据
$ kubectl exec -it java-demo-db-mysql-745b9688b8-7f5fn -- bash
root@java-demo-db-mysql-745b9688b8-7f5fn:/# mysql -uroot -pE2szJIvuhI
mysql> source /tables_ly_tomcat.sql;
$ vim src/main/resources/application.yml
server:
port: 8080
spring:
datasource:
url: jdbc:mysql://java-demo-db-mysql.default:3306/test?characterEncoding=utf-8
username: root
password: E2szJIvuhI
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/
$ mvn clean package -D maven.test.skip=true #重新打包
$ docker build -t hub.cropy.cn/demo/java-demo:v2 . #重新构建
$ docker push hub.cropy.cn/demo/java-demo:v2 #镜像上传
$ vim k8s-yaml/deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: java-demo
namespace: test
spec:
replicas: 3
selector:
matchLabels:
project: www
app: java-demo
template:
metadata:
labels:
project: www
app: java-demo
spec:
imagePullSecrets:
- name: "docker-regsitry-auth"
containers:
- image: hub.cropy.cn/demo/java-demo:v2
name: java-demo
imagePullPolicy: Always
ports:
- containerPort: 8080
name: web
protocol: TCP
resources:
requests:
cpu: 0.5
memory: 0.5Gi
limits:
cpu: 1
memory: 2Gi
livenessProbe:
httpGet:
path: /
port: 8080
initialDelaySeconds: 60
timeoutSeconds: 20
readinessProbe:
httpGet:
path: /
port: 8080
initialDelaySeconds: 60
timeoutSeconds: 20
$ kubectl apply -f k8s-yaml/deployment.yaml
$ kubectl rollout history deploy/java-demo -n test #查看历史
$ kubectl rollout undo deploy/java-demo -n test #回滚至上一版本
如果项目不能正常写入数据,可以到myqsl添加授权即可
授权root有所有远程权限: grant all on java.* to ‘root‘@‘%‘ identified by ‘E2szJIvuhI‘;
加入客户端主机名解析,然后浏览器直接访问即可
192.168.56.14 java.cropy.cn
$ git clone http://192.168.56.19:9999/root/php-demo.git
$ vim Dockerfile
FROM lizhenliang/nginx-php:latest
LABEL maintainer="php.cropy.cn"
ADD . /usr/local/nginx/html
$ docker build -t hub.cropy.cn/demo/php-demo:v1 .
$ docker push hub.cropy.cn/demo/php-demo:v1
k8s部署编排配置
$ vim namespace.yaml
apiVersion: v1
kind: Namespace
metadata:
name: test
$ kubectl apply -f namespace.yaml
$ vim deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: php-demo
namespace: test
spec:
replicas: 3
selector:
matchLabels:
project: www
app: php-demo
template:
metadata:
labels:
project: www
app: php-demo
spec:
imagePullSecrets:
- name: docker-regsitry-auth
containers:
- name: nginx
image: hub.cropy.cn/demo/php-demo:v1
ports:
- containerPort: 80
name: web
protocol: TCP
resources:
requests:
cpu: 0.5
memory: 256Mi
limits:
cpu: 1
memory: 1Gi
livenessProbe:
httpGet:
path: /status.php
port: 80
initialDelaySeconds: 6
timeoutSeconds: 20
readinessProbe:
httpGet:
path: /status.php
port: 80
initialDelaySeconds: 6
timeoutSeconds: 20
$ kubectl apply -f deployment.yaml
$ kubectl get pod -n test -o wide
$ vim service.yaml
apiVersion: v1
kind: Service
metadata:
name: php-demo
namespace: test
spec:
selector:
project: www
app: php-demo
ports:
- name: web
port: 80
targetPort: 80
$ kubectl apply -f service.yaml
$ kubectl get ep -n test
node节点访问测试
$ vim ingress.yaml
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: php-demo
namespace: test
spec:
rules:
- host: php.cropy.cn
http:
paths:
- path: /
backend:
serviceName: php-demo
servicePort: 80
$ kubectl apply -f ingress.yaml
$ kubectl get ing -n test
上述流程就是上线php项目的流程
$ helm install php-demo-db --set persistence.storageClass="managed-nfs-storage" stable/mysql
$ MYSQL_ROOT_PASSWORD=$(kubectl get secret --namespace default php-demo-db-mysql -o jsonpath="{.data.mysql-root-password}" | base64 --decode; echo)
$ echo $MYSQL_ROOT_PASSWORD
cHDi5ikYAj
$ kubectl get pod
NAME READY STATUS RESTARTS AGE
nfs-client-provisioner-75f9fd7b57-67jtk 1/1 Running 1 4d7h
php-demo-db-mysql-5c7fb76866-wn8rd 1/1 Running 0 115s
$ kubectl exec -it php-demo-db-mysql-5c7fb76866-wn8rd -- bash
root@php-demo-db-mysql-5c7fb76866-wn8rd:/# mysql -uroot -pcHDi5ikYAj
mysql> create database wp;
$ vim wp-config.php
define(‘DB_NAME‘, ‘wp‘);
/** MySQL数据库用户名 */
define(‘DB_USER‘, ‘root‘);
/** MySQL数据库密码 */
define(‘DB_PASSWORD‘, ‘cHDi5ikYAj‘);
/** MySQL主机 */
define(‘DB_HOST‘, ‘php-demo-db-mysql.default‘);
$ docker build -t hub.cropy.cn/demo/php-demo:v2 .
$ docker push hub.cropy.cn/demo/php-demo:v2 .
$ vim deployment.yaml #更新到v2版本
apiVersion: apps/v1
kind: Deployment
metadata:
name: php-demo
namespace: test
spec:
replicas: 3
selector:
matchLabels:
project: www
app: php-demo
template:
metadata:
labels:
project: www
app: php-demo
spec:
imagePullSecrets:
- name: docker-regsitry-auth
containers:
- name: nginx
image: hub.cropy.cn/demo/php-demo:v2
ports:
- containerPort: 80
name: web
protocol: TCP
resources:
requests:
cpu: 0.5
memory: 256Mi
limits:
cpu: 1
memory: 1Gi
livenessProbe:
httpGet:
path: /status.php
port: 80
initialDelaySeconds: 6
timeoutSeconds: 20
readinessProbe:
httpGet:
path: /status.php
port: 80
initialDelaySeconds: 6
timeoutSeconds: 20
$ kubectl apply -f deployment.yaml
加入客户端主机名解析,然后浏览器直接访问即可
192.168.56.14 php.cropy.cn
kubernetes(十三) k8s 业务上线流程(手动版)
标签:yaml install cas ack mit 上线 clone 构建环境 tor
原文地址:https://blog.51cto.com/13812615/2515798