基于Kubernetes的jenkins上线
1、基于helm 部署jenkins
要求：当前集群配置了storageClass，并已指定默认的storageClass，一般情况下，创建的storageClass即为默认类 指定默认storageClass的方式
# 如果是新创建默认类：
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
name: managed-nfs-storage
annotations:
# 这里注解说明了这个是默认的storageclass
storageclass.kubernetes.io/is-default-class: "true"
provisioner: fuseim.pri/ifs
parameters:
archiveOnDelete: "true"
# 如果是修改为默认类
kubectl patch storageclass managed-nfs-storage -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
# 检查,可以看到类后面增加了(default)
[root@kube-master ~]# kubectl get sc
NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE
managed-nfs-storage (default) gxf-nfs-storage Retain Immediate false 41d1.1 部署helm
[root@kube-master ~]# wget https://get.helm.sh/helm-v3.2.4-linux-amd64.tar.gz
[root@kube-master ~]# tar zxvf helm-v3.2.4-linux-amd64.tar.gz
[root@kube-master ~]# mv linux-amd64/helm /usr/bin/1.2 部署jenkins
# 1、添加jenkins仓库
[root@kube-master ~]# helm repo add jenkinsci https://charts.jenkins.io && helm repo update
# 2、安装jenkins
## 2.1 如果需要自定义配置，需要先将chart下载下来，如果无需修改配置，直接install即可
[root@kube-master ~]# helm pull jenkinsci/jenkins
[root@kube-master ~]# tar xf jenkins-4.8.4.tgz # 修改目录中的values.yml
[root@kube-master ~]# helm install jenkins . -f values.yaml
## 2.2 直接安装
[root@kube-master ~]# helm install jenkins jenkinsci/jenkins1.3 检查 jenkins
# helm list
NAME NAMESPACE REVISION UPDATED STATUS CHART APP VERSION
jenkins default 1 2023-12-17 14:19:50.59739362 +0800 CST deployed jenkins-4.8.4 2.426.1
[root@kube-master ~]# kubectl get pod
NAME READY STATUS RESTARTS AGE
jenkins-0 2/2 Running 0 2m30s
nfs-client-provisioner-66bc5457d6-vbzfj 1/1 Running 16 (20m ago) 38d
# 需要查看登录密码，可以使用
[root@kube-master ~]# helm get notes jenkins
NOTES:
1. Get your 'admin' user password by running:
kubectl exec --namespace default -it svc/jenkins -c jenkins -- /bin/cat /run/secrets/additional/chart-admin-password && echo
2. Get the Jenkins URL to visit by running these commands in the same shell:
echo http://127.0.0.1:8080
kubectl --namespace default port-forward svc/jenkins 8080:8080
3. Login with the password from step 1 and the username: admin
4. Configure security realm and authorization strategy
5. Use Jenkins Configuration as Code by specifying configScripts in your values.yaml file, see documentation: http://127.0.0.1:8080/configuration-as-code and examples: https://github.com/jenkinsci/configuration-as-code-plugin/tree/master/demos
For more information on running Jenkins on Kubernetes, visit:
https://cloud.google.com/solutions/jenkins-on-container-engine
For more information about Jenkins Configuration as Code, visit:
https://jenkins.io/projects/jcasc/
NOTE: Consider using a custom image with pre-installed plugins1.4 配置访问
# 这是当前jenkins的服务，将他改为nodeport，或通过ingress代理
[root@kube-master ~]# kubectl get svc jenkins
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
jenkins ClusterIP 10.99.36.63 8080/TCP 32h
[root@kube-master ~]# vim ingress.yml
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
labels:
name: myingress
name: myingress
namespace: default
spec:
ingressClassName: nginx
rules:
- host: qf.jenkins.vip
http:
paths:
- backend:
service:
name: jenkins
port:
number: 8080
path: /
pathType: Prefix 
2、安装插件
插件列表： 将准备好的插件包，替换掉对应的pv数据卷中的plugins目录
3、准备工作
3.1 准备ruoyi数据
[root@kube-master ~]# git clone https://gitea.beyourself.org.cn/newrain001/RuoYi-Vue-cloud.git
[root@kube-master ~]# cd RuoYi-Vue-cloud/
[root@kube-master RuoYi-Vue-cloud]# ls
bin cloud doc LICENSE pom.xml README.md ruoyi-admin ruoyi-common ruoyi-framework ruoyi-generator ruoyi-quartz ruoyi-system ruoyi-ui ry.bat ry.sh sql
[root@kube-master RuoYi-Vue-cloud]# cd sql/
[root@kube-master sql]# ls
quartz.sql ry_20230223.sql
[root@kube-master sql]# kubectl create configmap ruoyi-init-data --from-file=.3.2 准备k8s证书
[root@kube-master ~]# kubectl create secret generic kubeconfig --from-file=/root/.kube/config
3.3 准备maven配置文件
[root@kube-master ~]# vim settings.xml
aliyunmaven
*
阿里云公共仓库
https://maven.aliyun.com/repository/public
[root@kube-master ~]# kubectl create configmap maven-repo --from-file=settings.xml3.4 配置钉钉插件
在系统管理的下方有未归类的插件
4、项目配置
4.1 创建pipeline项目
4.2 配置参数
# 参数内容:
字符参数：
PROJECT_NAME 项目名称
凭据参数：
DOCKER_REPOSITORY_CREDENTIAL_ID 需要推送的docker镜像仓库凭据id，可指定多个，然后加介绍
选项参数：
HARBOR_HOST 需要推送的镜像仓库，可以指定多个，需要与凭据对应
选项参数：
NAMESPACE_NAME 需要推送的命名空间
字符参数：后端镜像的tag
JAVA_TAG
字符参数：前端镜像的tag
NODE_TAG
字符参数：
JAVA_REPLICAS 后端副本数
字符参数：
NODE_REPLICAS 前端副本数
字符参数：
JENKINS_URL 当前jenkins的url，通知时使用，一般不变，可以设置默认值
5、构建项目
6、cloud 目录内的文件解析
6.1 cloud/Jenkinsfile
pipeline {
// 定义流水线中使用的环境变量
environment {
PROJECT_NAME = "${PROJECT_NAME}" // 项目名称
DOCKER_REPOSITORY_CREDENTIAL_ID = "${DOCKER_REPOSITORY_CREDENTIAL_ID}" // Docker仓库的凭证ID
HARBOR_HOST = "${HARBOR_HOST}" // Docker Harbor主机
NAMESPACE_NAME = "${NAMESPACE_NAME}" // Kubernetes命名空间
JAVA_REPOSITORY_NAME = "ruoyi-java" // Java应用的仓库名称
NODE_REPOSITORY_NAME = "ruoyi-node" // Node.js应用的仓库名称
JAVA_TAG = "${JAVA_TAG}" // Java应用的Docker标签
NODE_TAG = "${NODE_TAG}" // Node.js应用的Docker标签
JAVA_REPLICAS = "${JAVA_REPLICAS}" // Java应用的副本数
NODE_REPLICAS = "${NODE_REPLICAS}" // Node.js应用的副本数
YAML_PATH = "cloud/deploy/" // Kubernetes YAML文件的路径
JAVA_DEPLOYMENT_NAME = "ruoyi-java.yaml" // Java部署的YAML文件名称
NODE_DEPLOYMENT_NAME = "ruoyi-nginx.yaml" // Node.js部署的YAML文件名称
STATUS_URL = "${JENKINS_URL}/job/ruoyi/${BUILD_NUMBER}" // 查看构建状态的URL
CONSOLE_URL = "${JENKINS_URL}/job/ruoyi/${BUILD_NUMBER}/console" // 查看构建控制台输出的URL
}
// 使用Kubernetes定义代理配置
agent {
kubernetes {
cloud "kubernetes"
yaml """
// 定义Kubernetes Pod的规格
apiVersion: v1
kind: Pod
spec:
// 定义Pod中的容器
containers:
- name: jnlp
image: jenkins/inbound-agent:3107.v665000b_51092-15
args: ['\$(JENKINS_SECRET)', '\$(JENKINS_NAME)']
imagePullPolicy: IfNotPresent
volumeMounts:
- mountPath: "/etc/localtime"
name: "volume-2"
readOnly: false
- name: maven
image: maven:3.6.3-jdk-11
command: ['cat']
tty: true
volumeMount:
- mountPath: "/usr/share/maven/ref/"
name: "maven-repo"
subPath: "settings.xml"
readOnly: true
- mountPath: "/root/.m2"
name: "maven-data"
- name: nodejs
image: node:14
command: ['cat']
tty: true
- name: kubectl
image: kubesphere/kubectl:v1.22.0
imagePullPolicy: IfNotPresent
tty: true
command: ["cat"]
volumeMounts:
- mountPath: "/etc/localtime"
name: "volume-2"
readOnly: false
- mountPath: "/var/run/docker.sock"
name: "volume-docker"
readOnly: false
- mountPath: "/root/.kube/config"
subPath: config
name: "kubeconfig"
readOnly: false
- name: docker
image: docker:19.03.15-git
command: ['cat']
tty: true
volumeMounts:
- mountPath: "/var/run/docker.sock"
name: "volume-docker"
readOnly: false
// 定义Pod使用的卷
volumes:
- name: volume-2
hostPath:
path: "/usr/share/zoneinfo/Asia/Shanghai"
- name: volume-docker
hostPath:
path: "/var/run/docker.sock"
- name: kubeconfig
secret:
secretName: kubeconfig
items:
- key: config
path: config
- name: maven-repo
configMap:
name: maven-repo
- name: maven-data
hostPath:
path: "/opt/data/m2"
"""
}
}
// 定义流水线的各个阶段
stages {
// 第一阶段：Maven打包
stage('Maven 打包') {
steps {
// 使用Maven容器来构建Java应用
container('maven') {
sh """
mvn clean package -Dmaven.test.skip=true && cp ruoyi-admin/target/ruoyi-admin.jar cloud/ruoyi-java
"""
}
}
post {
// Maven打包成功或失败后的通知
success {
// Maven打包成功时的钉钉消息配置
dingtalk (
// 其他配置...
)
}
failure {
// Maven打包失败时的钉钉消息配置
dingtalk (
// 其他配置...
)
}
}
}
// 第二阶段：Node.js打包
stage('Node.js 打包') {
steps {
container('nodejs') {
sh """
cd ruoyi-ui && npm install --registry http://registry.npmmirror.com && npm run build:prod && cp -r dist ../cloud/ruoyi-nginx
"""
}
}
post {
success {
// Node.js打包成功的钉钉消息配置
dingtalk (
// 其他配置...
)
}
failure {
// Node.js打包失败的钉钉消息配置
dingtalk (
// 其他配置...
)
}
}
}
// 第三阶段：构建镜像
stage('构建镜像') {
steps {
withCredentials([usernamePassword(credentialsId: env.DOCKER_REPOSITORY_CREDENTIAL_ID, passwordVariable: 'PASSWORD', usernameVariable: 'USERNAME')]) {
container('docker') {
sh """
docker build -t ${env.HARBOR_HOST}/${env.NAMESPACE_NAME}/${env.JAVA_REPOSITORY_NAME}:${env.JAVA_TAG} cloud/ruoyi-java
docker build -t ${env.HARBOR_HOST}/${env.NAMESPACE_NAME}/${env.NODE_REPOSITORY_NAME}:${env.NODE_TAG} cloud/ruoyi-nginx
docker login ${env.HARBOR_HOST} --username ${env.USERNAME} --password ${env.PASSWORD}
docker push ${env.HARBOR_HOST}/${env.NAMESPACE_NAME}/${env.JAVA_REPOSITORY_NAME}:${env.JAVA_TAG}
docker push ${env.HARBOR_HOST}/${env.NAMESPACE_NAME}/${env.NODE_REPOSITORY_NAME}:${env.NODE_TAG}
"""
}
}
}
post {
success {
// 构建镜像成功的钉钉消息配置
dingtalk (
// 其他配置...
)
}
failure {
// 构建镜像失败的钉钉消息配置
dingtalk (
// 其他配置...
)
}
}
}
// 第四阶段：部署到kubernetes
stage('部署到kubernetes') {
steps {
container('kubectl') {
sh """
sed -i "s/REPLICAS/${env.JAVA_REPLICAS}/;s/HARBOR_HOST/${env.HARBOR_HOST}/;s/NAMESPACE_NAME/${env.NAMESPACE_NAME}/;s/REPOSITORY_NAME/${env.JAVA_REPOSITORY_NAME}/;s/TAG/${env.JAVA_TAG}/" ${env.YAML_PATH}${env.JAVA_DEPLOYMENT_NAME}
sed -i "s/REPLICAS/${env.NODE_REPLICAS}/;s/HARBOR_HOST/${env.HARBOR_HOST}/;s/NAMESPACE_NAME/${env.NAMESPACE_NAME}/;s/REPOSITORY_NAME/${env.NODE_REPOSITORY_NAME}/;s/TAG/${env.NODE_TAG}/" ${env.YAML_PATH}${env.NODE_DEPLOYMENT_NAME}
kubectl apply -f ${env.YAML_PATH} --record
"""
}
}
post {
success {
// 部署成功的钉钉消息配置
dingtalk (
// 其他配置...
)
}
failure {
// 部署失败的钉钉消息配置
dingtalk (
// 其他配置...
)
}
}
}
}
}
6.2 cloud/deploy/ruoyi-nginx.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: ruoyi-nginx
spec:
replicas: REPLICAS
selector:
matchLabels:
app: ruoyi-nginx
template:
metadata:
labels:
app: ruoyi-nginx
spec:
containers:
- name: ruoyi-nginx
image: HARBOR_HOST/NAMESPACE_NAME/REPOSITORY_NAME:TAG
imagePullPolicy: Always
ports:
- containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
name: ruoyi-nginx-service
spec:
selector:
app: ruoyi-nginx
ports:
- port: 80
targetPort: 80
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: ruoyi-nginx-ingress
labels:
name: ruoyi-nginx-ingress
spec:
ingressClassName: nginx
rules:
- host: ruoyi.nginx.com
http:
paths:
- pathType: Prefix
path: "/"
backend:
service:
name: ruoyi-nginx-service
port:
number: 806.3 cloud/deploy/ruoyi-java.yaml
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: ruoyi-java
spec:
replicas: REPLICAS
selector:
matchLabels:
app: ruoyi-java
template:
metadata:
labels:
app: ruoyi-java
spec:
containers:
- name: ruoyi-java
image: HARBOR_HOST/NAMESPACE_NAME/REPOSITORY_NAME:TAG
imagePullPolicy: Always
ports:
- containerPort: 8080
---
apiVersion: v1
kind: Service
metadata:
name: ruoyi-java-service
spec:
selector:
app: ruoyi-java
ports:
- port: 8080
targetPort: 8080
6.4 cloud/deploy/mysql.yml
apiVersion: apps/v1
kind: Deployment
metadata:
name: database
spec:
selector:
matchLabels:
app: database
template:
metadata:
labels:
app: database
spec:
containers:
- name: database
image: daocloud.io/library/mysql:5.7
env:
- name: MYSQL_ROOT_PASSWORD
value: "123456"
- name: MYSQL_DATABASE
value: "ry"
volumeMounts:
- mountPath: /docker-entrypoint-initdb.d
name: ruoyi-data
resources:
limits:
memory: "500Mi"
cpu: "500m"
ports:
- containerPort: 3306
volumes:
- name: ruoyi-data
configMap:
name: ruoyi-init-data
---
apiVersion: v1
kind: Service
metadata:
name: ruoyi-db
spec:
selector:
app: database
ports:
- port: 3306
targetPort: 33066.5 cloud/deploy/redis.yml
apiVersion: apps/v1
kind: Deployment
metadata:
name: redis
spec:
selector:
matchLabels:
app: redis
template:
metadata:
labels:
app: redis
spec:
containers:
- name: redis
image: redis
resources:
limits:
memory: "128Mi"
cpu: "500m"
ports:
- containerPort: 6379
---
apiVersion: v1
kind: Service
metadata:
name: ruoyi-redis
spec:
selector:
app: redis
ports:
- port: 6379
targetPort: 6379
6.6 cloud/ruoyi-java/Dockerfile
FROM buildo/java8-wkhtmltopdf:latest
COPY ruoyi-admin.jar /opt
EXPOSE 8080
CMD ["java", "-jar", "/opt/ruoyi-admin.jar"]