k8s之YAML文件实例

例：创建PV

apiVersion: v1
kind: PersistentVolume
metadata:
name: ceph
spec:
capacity:
storage: 20Gi
accessModes:
- ReadWriteMany
nfs:
path: /data/k8s
server: 10.10.1.10

运行结果：

[root@k8s-master ~]# kubectl get pv
NAME CAPACITY ACCESSMODES RECLAIMPOLICY STATUS CLAIM REASON AGE
ceph 20Gi RWX Retain Bound default/ceph 1d
[root@k8s-master ~]#

例：创建PVC

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: ceph
spec:
accessModes:
- ReadWriteMany
resources:
requests:
storage: 5Gi

运行结果：

NAME STATUS VOLUME CAPACITY ACCESSMODES AGE
ceph Bound ceph 20Gi RWX 1d
[root@k8s-master k8s]#

例：创建deployment

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: web
spec:
replicas: 2
template:
metadata:
labels:
app: portal
spec:
containers:
- name: httpd
image: httpd
volumeMounts:
- name: wwwroot
mountPath: /usr/local/apache2/htdocs
ports:
- containerPort: 80
volumes:
- name: wwwroot
nfs:
server: 10.10.1.10
path: /data/k8s

运行结果：

[root@k8s-master k8s]# kubectl apply -f deployment2.yaml
deployment "web" created
[root@k8s-master k8s]#

[root@k8s-master k8s]# kubectl get deployment
NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
web 2 2 2 2 1m
[root@k8s-master k8s]#

[root@k8s-master k8s]# kubectl get pod
NAME READY STATUS RESTARTS AGE
web-2551873074-4blnh 1/1 Running 0 1m
web-2551873074-js1pr 1/1 Running 0 1m
[root@k8s-master k8s]#