挂载到emptyDir
挂载在如下目录，此目录是pod所在的node节点主机的目录，此目录下的data即对应容器里的/usr/share/nginx/html，实现目录挂载；图1红框里的号对应docker 的name中的编号，如下俩个图
apiVersion: apps/v1
kind: Deployment
metadata:
annotations:
deployment.kubernetes.io/revision: "1"
kubectl.kubernetes.io/last-applied-configuration: |
{"apiVersion":"apps/v1","kind":"Deployment","metadata":{"annotations":{"deployment.kubernetes.io/revision":"1"},"creationTimestamp":"2023-05-08T13:55:49Z","generation":1,"labels":{"app":"web"},"name":"web","namespace":"dalong-test-1","resourceVersion":"228450","uid":"359f54a6-cb5f-4168-82b2-fc0266c56e52"},"spec":{"progressDeadlineSeconds":600,"replicas":1,"revisionHistoryLimit":10,"selector":{"matchLabels":{"app":"web"}},"strategy":{"rollingUpdate":{"maxSurge":"25%","maxUnavailable":"25%"},"type":"RollingUpdate"},"template":{"metadata":{"creationTimestamp":null,"labels":{"app":"web"}},"spec":{"containers":[{"image":"nginx:1.17","imagePullPolicy":"Always","name":"nginx","resources":{},"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File"}],"dnsPolicy":"ClusterFirst","restartPolicy":"Always","schedulerName":"default-scheduler","securityContext":{},"terminationGracePeriodSeconds":30}}},"status":{"availableReplicas":1,"conditions":[{"lastTransitionTime":"2023-05-08T13:56:03Z","lastUpdateTime":"2023-05-08T13:56:03Z","message":"Deployment has minimum availability.","reason":"MinimumReplicasAvailable","status":"True","type":"Available"},{"lastTransitionTime":"2023-05-08T13:55:49Z","lastUpdateTime":"2023-05-08T13:56:03Z","message":"ReplicaSet \"web-96d5df5c8\" has successfully progressed.","reason":"NewReplicaSetAvailable","status":"True","type":"Progressing"}],"observedGeneration":1,"readyReplicas":1,"replicas":1,"updatedReplicas":1}}
creationTimestamp: "2023-08-12T07:23:41Z"
generation: 1
labels:
app: web
name: web
namespace: dalong-test-1
resourceVersion: "816863"
uid: 75552def-ddb5-4f97-81fb-d06cb5128432
spec:
progressDeadlineSeconds: 600
replicas: 1
revisionHistoryLimit: 10
selector:
matchLabels:
app: web
strategy:
rollingUpdate:
maxSurge: 25%
maxUnavailable: 25%
type: RollingUpdate
template:
metadata:
creationTimestamp: null
labels:
app: web
spec:
containers:
- image: nginx:1.17
imagePullPolicy: Always
name: nginx
resources: {}
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- name: data
mountPath: /usr/share/nginx/html
dnsPolicy: ClusterFirst
restartPolicy: Always
schedulerName: default-scheduler
securityContext: {}
terminationGracePeriodSeconds: 30
volumes:
- name: data
emptyDir: {}
status:
availableReplicas: 1
conditions:
- lastTransitionTime: "2023-08-12T07:51:46Z"
lastUpdateTime: "2023-08-12T07:51:46Z"
message: ReplicaSet "web-7675fc7857" has successfully progressed.
reason: NewReplicaSetAvailable
status: "True"
type: Progressing
- lastTransitionTime: "2023-08-19T06:04:37Z"
lastUpdateTime: "2023-08-19T06:04:37Z"
message: Deployment has minimum availability.
reason: MinimumReplicasAvailable
status: "True"
type: Available
observedGeneration: 1
readyReplicas: 1
replicas: 1
updatedReplicas: 1