k8s使用local pv部署tomcat
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参考技术A kind: StorageClassapiVersion: storage.k8s.io/v1
metadata:
name: local-storage
provisioner: kubernetes.io/no-provisioner
volumeBindingMode: WaitForFirstConsumer # 设置延迟绑定
# Supported policies: Delete, Reta
# reclaimPolicy: Retain # 删除pvc时保留pv 需要手动删除pv
apiVersion: v1
kind: PersistentVolume
metadata:
name: local-pv
labels:
kafka: kafka
spec:
capacity:
storage: 10Gi
volumeMode: Filesystem
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Retain
storageClassName: local-storage
local:
path: /localpv
nodeAffinity:
required:
nodeSelectorTerms:
- matchExpressions:
- key: kubernetes.io/hostname
operator: In
values:
- localhost.localdomain
---
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: tomcat-log-tomcat-0
spec:
accessModes:
- ReadWriteOnce
storageClassName: local-storage
volumeMode: Filesystem
volumeName: local-pv
resources:
requests:
storage: 1Gi
ps：该文件的PVC_name = volumeClaimTemplates_name（statefulset.yaml中） + "-" + pod_name，不要问我为什么，它就是这个规则
apiVersion: v1
kind: Service
metadata:
name: tomcat-service
labels:
app: tomcat
spec:
type: NodePort
ports:
- port: 8080
targetPort: 8080
protocol: TCP
nodePort: 31080
name: tomcat-port
selector:
app: tomcat
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: tomcat
spec:
serviceName: "tomcat-service"
selector:
matchLabels:
app: tomcat
replicas: 2
template:
metadata:
labels:
app: tomcat
spec:
terminationGracePeriodSeconds: 10
containers:
- name: tomcat
image: tomcat:latest
ports:
- containerPort: 8080
name: tomcat-port
volumeMounts:
- name: tomcat-log
mountPath: /usr/local/tomcat/logs
volumeClaimTemplates:
- metadata:
name: tomcat-log
spec:
accessModes: [ "ReadWriteOnce" ]
resources:
requests:
storage: 1Gi
最后，全部都执行kubectl apply -f xxxx就行
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