Deploy Jenkins on Kubernetes Kodekloud

 

Question: The Nautilus DevOps team is planning to set up a Jenkins CI server to create/manage some deployment pipelines for some of the projects. They want to set up the Jenkins server on Kubernetes cluster. Below you can find more details about the task:

1) Create namespace jenkins

2) Create a Service for jenkins deployment. Service name should be jenkins-service under jenkins namespace, type should be NodePort, targetport should be 8080 and nodePort should be 30008

3) Create a Jenkins Deployment under jenkins namespace, It should be name as jenkins-deployment , labels app should be jenkins , container name should be jenkins-container , use jenkins/jenkins image , containerPort should be 8080 and replicas count should be 1.

Make sure to wait for pods to be in running state before clicking on Finish button.

Note: The kubectl utility on jump_host has been configured to work with the kubernetes cluster.


Solution:

Create the mentioned namespace at first

kubectl create ns jenkins

Then create the service and deployment yaml according to question

vi jenkins-deployment.yaml

apiVersion: v1
kind: Service
metadata:
name: jenkins-service
namespace: jenkins
spec:
type: NodePort
selector:
app: jenkins
ports:
- port: 8080
targetPort: 8080
nodePort: 30008
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: jenkins-deployment
namespace: jenkins
labels:
app: jenkins
spec:
replicas: 1
selector:
matchLabels:
app: jenkins
template:
metadata:
labels:
app: jenkins
spec:
containers:
- name: jenkins-container
image: jenkins/jenkins
ports:
- containerPort: 8080

Apply the deployment

kubectl apply -f jenkins-deployment.yaml

Wath the pod

watch kubectl get po -n jenkins

Check the service

kubectl get svc -n jenkins

Run curl command from the pod to check the deployment

kubectl exec jenkins-deployment-6b6c78f968-7s8c4 -n jenkins -- curl http://localhost:8080





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About Ashadullah Shawon

I am Ashadullah Shawon. I am a Software Engineer. I studied Computer Science and Engineering (CSE) at RUET. I Like To Share Knowledge. Learn More: Click Here
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