Question

好吧，我正试图在kubernetes＆＃39;中设置一个Jenkins容器的本地版本。 minikube和我使用this guide作为模型。

我遇到的问题是hostPath似乎没有正确安装。

当我尝试安装主机路径而不使用＆＃34; persistentVolumeClaim＆＃34; 我的代码看起来像这样：

deployment_jenkins.yaml

apiVersion: extensions/v1beta1

kind: Deployment
metadata:
  name: jenkins
  namespace: jenkins
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: master
    spec:
      containers:
      - name: master
        image: jenkins:2.7.2
        ports:
        - containerPort: 8080
        - containerPort: 50000
        readinessProbe:
          httpGet:
            path: /login
            port: 8080
          periodSeconds: 10
          timeoutSeconds: 5
          successThreshold: 2
          failureThreshold: 5
        env:
        - name: JENKINS_OPTS
          valueFrom:
            secretKeyRef:
              name: jenkins
              key: options
        volumeMounts:
        - mountPath: /var/jenkins_home
          name: jenkins-home
        resources:
          limits:
            cpu: 500m
            memory: 1500Mi
          requests:
            cpu: 500m
            memory: 1500Mi
      volumes:
      - name: jenkins-home
      hostPath:
        path: /data

当我运行 kubectl apply -f deployment_jenkins.yaml 时出现此错误：

my-mac kubernetes $ kubectl apply -f deployment_jenkins.yaml
error: error validating "deployment_jenkins.yaml": error validating data: 
found invalid field hostPath for v1.PodSpec; if you choose to ignore these 
errors, turn validation off with --validate=false

然后当我尝试使用声明时，我明白了：

persistent_volume_claim_jenkins.yaml

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: jenkins-home-claim
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 5Gi
  volumeName: jenkins-home

persistent_volume_jenkins.yaml

kind: PersistentVolume
apiVersion: v1
metadata:
  name: jenkins-home
spec:
  accessModes:
    - ReadWriteOnce
  capacity:
    storage: 5Gi
  hostPath:
    path: /data

deployment_jenkins.yaml

apiVersion: extensions/v1beta1

kind: Deployment
metadata:
  name: jenkins
  namespace: jenkins
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: master
    spec:
      containers:
      - name: master
        image: jenkins:2.7.2
        ports:
        - containerPort: 8080
        - containerPort: 50000
        readinessProbe:
          httpGet:
            path: /login
            port: 8080
          periodSeconds: 10
          timeoutSeconds: 5
          successThreshold: 2
          failureThreshold: 5
        env:
        - name: JENKINS_OPTS
          valueFrom:
            secretKeyRef:
              name: jenkins
              key: options
        volumeMounts:
        - mountPath: /var/jenkins_home
          name: jenkins-home
        resources:
          limits:
            cpu: 500m
            memory: 1500Mi
      requests:
        cpu: 500m
        memory: 1500Mi
      volumes:
      - name: jenkins-home
        persistentVolumeClaim:
          claimName: jenkins-home-claim

然后我运行命令：

my-mac kubernetes $ kubectl apply -f .
deployment "jenkins" configured
persistentvolumeclaim "jenkins-home-claim" configured
persistentvolume "jenkins-home" configured

最终，我的pod永远不会旋转，我在仪表板中收到这些错误：

我非常困惑，在弄清楚我做错了什么以及如何让它发挥作用方面的任何帮助都将非常感激。

Answer 1

你的一些yaml错误缩进导致不同（破碎）的解释：

volumes: - name: jenkins-home hostPath: path: /data

这是一个包含两个字段volumes和hostPath的对象。你想要的是：

volumes: - name: jenkins-home hostPath: path: /data

此外，我建议您始终在yaml中引用（非阻止）字符串以避免意外：

volumes: - name: 'jenkins-home' hostPath: path: '/data'

在kubernetes中挂载hostPath的问题

1 个答案: