关于k8s中subpath的使用详解
作者：fengjian1585
这篇文章主要介绍了k8s中subpath的使用,文章介绍分为两种情况给大家详细讲解，对大家的学习或工作具有一定的参考借鉴价值，需要的朋友可以参考下
有两种情况：
1.做为volumes使用时,subPath代表存储卷的子路径：
apiVersion: v1
kind: Pod
metadata:
name: testpod0
spec:
containers:
- name: testc
image: busybox
command: ["/bin/sleep","10000"]
volumeMounts:
- name: data
mountPath: /opt/data # 挂载的路径
subPath: data # volume的子路径
mountPath: /opt/model
subPath: model
volumes:
- name: data
persistentVolumeClaim:
claimName: test-data2.作为configmap/secret使用时,subPath代表configmap/secret的子路径：
apiVersion: v1 kind: ConfigMap metadata: name: config-test data: config.ini: "hello" config.conf: "nihao"
单独挂载一个key为文件
apiVersion: v1
kind: Pod
metadata:
name: testpod
spec:
containers:
- name: testc
image: busybox
command: ["/bin/sleep","10000"]
volumeMounts:
- name: config-test
mountPath: /etc/config.ini # 最终在容器中的文件名
subPath: config.ini #要挂载的confmap中的key的名称
volumes:
- name: config-test
configMap:
name: config-test挂载多个key为文件：
apiVersion: v1
kind: Pod
metadata:
name: testpod2
spec:
containers:
- name: testc
image: busybox
command: ["/bin/sleep","10000"]
volumeMounts:
- name: config-test
mountPath: /etc/config.ini # 最终在容器中的文件名
subPath: config.ini #要挂载的confmap中的key的名称
mountPath: /etc/config.conf # 最终在容器中的文件名
subPath: config.conf #要挂载的confmap中的key的名称
volumes:
- name: config-test
configMap:
name: config-test多个container挂载不同的key：
apiVersion: v1
kind: Pod
metadata:
name: testpod1
spec:
containers:
- name: testc
imagePullPolicy: Never
image: busybox
command: ["/bin/sleep","10000"]
volumeMounts:
- name: config-test
mountPath: /etc/config/config.ini
subPath: config.ini
- name: testc1
imagePullPolicy: Never
image: busybox
command: ["/bin/sleep","10000"]
volumeMounts:
- name: config-test
mountPath: /etc/config/config.conf
subPath: config.conf
volumes:
- name: config-test
configMap:
name: config-test
items:
- key: config.ini
path: config.ini
- key: config.conf
path: config.conf摘自
https://soulchild.cn/1911.html
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