httpd deployment

Create a shared storage directory

yum install -y rpcbind nfs-utils
create a shared directory
mkdir -p / home / sharedir / www
modify directory permissions
chmod 0755 -R sharedir
modify the configuration file NFS
VI / etc / Exports
/ Home / SHAREDIR 192.168.2.0 (RW, the no_root_squash, no_all_squash , sync)
to start nfs: systemctl start nfs

pv create a document
vi httpd-pv.yaml

apiVersion: v1
kind: PersistentVolume
metadata:
  name: httpd-pv
spec:
  capacity:
    storage: 1Gi
  accessModes:
  - ReadWriteOnce
  nfs:
    path: /home/sharedir/www
    server: 192.168.2.120

pvc create a document
vi httpd-pvc.yaml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: httpd-pvc
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi

httpd create file
vi httpd.yaml

apiVersion: v1
kind: Service
metadata:
  name: httpd
spec:
  type: NodePort
  ports:
  - port: 80
    nodePort: 32222
    targetPort: 80
  selector:
    app: httpd
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: httpd
spec:
  selector:
    matchLabels:
      app: httpd
  template:
    metadata:
      labels:
        app: httpd
    spec:
      containers:
      - name: httpd
        image: httpd
        ports:
        - name: httpd
          containerPort: 80
        volumeMounts:
        - name: httpd-persistent-storage
          mountPath: /usr/local/apache2/htdocs
      volumes:
      - name: httpd-persistent-storage
        persistentVolumeClaim:
          claimName: httpd-pvc

Perform resource creation
kubectl the Apply -f httpd-pv.yaml
kubectl the Apply -f httpd-pvc.yaml
kubectl the Apply -f httpd.yaml

查看容器
[root@master mysql]# kubectl get pod
NAME READY STATUS RESTARTS AGE
httpd-65c5d64bd7-pmwwr 1/1 Running 0 2m19s

View Service
[root @ Master MySQL] # kubectl GET svc
NAME the TYPE CLUSTER-the EXTERNAL IP-IP PORT (S) AGE
httpd NodePort 10.103.239.58 <none> 80: 32222 / TCP 22M

进入httpd容器
[root@master mysql]# kubectl exec -it httpd-65c5d64bd7-pmwwr bash
root@httpd-65c5d64bd7-pmwwr:/usr/local/apache2#

Visit site:
http://192.168.2.122:32222/

Modify the number of copies

kubectl scale deployment httpd --replicas=2

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