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Non-Persisting State

Non-Persisting State

In this lesson, we will deploy Jenkins and analyze its state.

Deploying Jenkins

This time we’ll deploy Jenkins and see what challenges we will face.

Looking into the Definition

Let’s take a look at the volume/jenkins.yml definition.

Shell
cat volume/jenkins.yml

The output is as follows.

Shell
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: jenkins
  annotations:
    kubernetes.io/ingress.class: "nginx"
    ingress.kubernetes.io/ssl-redirect: "false"
    nginx.ingress.kubernetes.io/ssl-redirect: "false"
spec:
  rules:
  - http:
      paths:
      - path: /jenkins
        backend:
          serviceName: jenkins
          servicePort: 8080
---
apiVersion: apps/v1beta2
kind: Deployment
metadata:
  name: jenkins
spec:
  selector:
    matchLabels:
      type: master
      service: jenkins
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        type: master
        service: jenkins
    spec:
      containers:
      - name: jenkins
        image: vfarcic/jenkins
        env:
        - name: JENKINS_OPTS
          value: --prefix=/jenkins
---
apiVersion: v1
kind: Service
metadata:
  name: jenkins
spec:
  ports:
  - port: 8080
  selector:
    type: master
    service: jenkins

There’s nothing special in that YAML file. It defines an Ingress with /jenkins path, a Deployment, and a Service. We won’t waste time with it. ...

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