Helm install Jenkins (official)

1. Search for

#  add to repo
helm repo add jenkins https://charts.jenkins.io
helm repo update

[root@master helm]# helm search repo jenkins/jenkins
NAME           	CHART VERSION	APP VERSION	DESCRIPTION                                       
jenkins/jenkins	3.11.10      	2.332.2    	Jenkins - Build great things at any scale! The ...

2. my-values.yaml

cat <<EOF> my-values.yaml
controller:
  image: "registry.cn-shanghai.aliyuncs.com/wanfei/jenkins"
  # tag: "2.332.2-jdk11"
  tagLabel: jdk11
  imagePullPolicy: "IfNotPresent"
  adminUser: "admin"
  adminPassword: "www19930327"

  ingress:
    enabled: true
    apiVersion: "networking.k8s.io/v1"
    ingressClassName: nginx
    hostName: jenkins.tophant.wang

persistence:
  enabled: true
  storageClass: "nfs-storage"
  size: "2Gi"

EOF

3. Deploy

helm install jenkins jenkins/jenkins --version 3.11.10 -f my-values.yaml

helm install jenkins -f my-values.yaml .

#  uninstall 
helm uninstall jenkins

jenkins repo Download speed is very slow

4. Verification deployment

[root@master jenkins]# kubectl get pods | grep jenkins
jenkins-0                                 2/2     Running   0          47m

[root@master jenkins]# kubectl get svc | grep jenkins
jenkins         ClusterIP   10.106.137.1    <none>        8080/TCP    49m
jenkins-agent   ClusterIP   10.101.182.60   <none>        50000/TCP   49m

Add locally hosts

192.168.4.27 jenkins.tophant.wang

visit http://jenkins.tophant.wang

If you forget the password , You can check the password

kubectl exec --namespace default -it svc/jenkins -c jenkins -- /bin/cat /run/secrets/chart-admin-password && echo

Enter the account and password admin/www19930327

5. Install Chinese plug-in

Search for Localization: Chinese (Simplified), Click the second

Restart after installation ( Check Restart)

6 add to gitee The credentials

Later, the test needs to start from the code cloud (gitee) Download code

6.1 install gitee plug-in unit

Search for gitee, Click the second

6.2 To configure gitee Private key

Click on 【 System management 】-【 manage credentials 】, Click as shown in the figure below 【Jenkins】

Click on 【 Global credentials 】

Click on 【 Add credentials 】

Now copy gitee Private key , Sign in gitee after , Click on the picture , And then click 【 Set up 】, Click on 【 Private token 】, And then click 【 Generate a new token 】

Fill in the token description , Then select permissions according to actual needs , Click on the submit

Input gitee Password authentication

Go back to the new credentials page , choice 【Gitee API token 】, Then paste the private key copied in the previous step here , Then add the description , Click ok

here Gitee The private key is added

6.3 Gitee The plug-in configuration

Click on 【 System management 】-【 The system configuration 】
find Gitee To configure , Link name customization , such as Gitee, Domain name filling https://gitee.com, Certificate token selection step 1 Credentials added in , It opens at 【 senior 】, Check Ignore SSL Check , And then click 【 Test connection 】, Success is shown below, i.e OK

If Test connection Has been an error , Need to install jersey 2 API plug-in unit , And then it's all right
Reference resources https://blog.csdn.net/m0_65787443/article/details/123031292

6.4 add to gitee Account credentials

6.5 Create a gitee Code warehouse pull code task

And then click Build immediately

You can see that a Agent default-0k406 To carry out the task

7. Pipeline deployment

7.1 Configure clusters

kubernetes The plug-in is installed by default

System management -> Node management

Click on Configure Clouds, I found that the default settings are all configured , Click connection test succeeded

View the default label jenkins-jenkins-agent

7.2 Assembly line task

Pipelined scripts

node('jenkins-jenkins-agent'){ 
    stage("clone  Code "){
        echo " Code  clone" 
    }

    stage(" The code to build "){ 
        echo " The code to build "
        }
        
    stage(" Code testing "){
        echo " Code testing "
    }
    
    stage(" Code deployment "){
        echo " Code deployment " 
    } 
}

8. Jenkinsfiel Pipeline deployment

establish protal-dev Assembly line task

To configure gitee project , There must be... In the project Jenkinsfile file

The project structure is as follows

• script： It contains docker Build a mirror image push Mirror scripts and chart Templates
• Jenkinsfile： Pipeline process

Because it quotes maven-pvc, So you need to create , Used to store maven jar package

cat <<EOF> maven-pvc.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
  name: maven-pv
spec:
  capacity:
    storage: 4Gi
  accessModes:
  - ReadWriteMany
  persistentVolumeReclaimPolicy: Delete
  nfs:
    server: 192.168.4.27
    path: /nfsdata
---
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: maven-pvc
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 4Gi
EOF

kubectl apply -f maven-pvc.yaml

At present StorageClass There can be no default , Otherwise, it will be created automatically pv, Don't use the above pv

Click build now

Created a Pod: kubernetes default/slave-26c42db4-79ad-49ab-89c8-e7cdf41b501a-z5frp-0vds3 Execute the current deployment , Automatically delete after deployment

At present jar Package storage path

[root@master jenkins]# ls /nfsdata/repository/
com  commons-io  io  org