K8s实现wordpress项目操作步骤!

末蓝、 2022-09-12 08:56 176阅读 0赞

>K8s实现wordpress项目操作步骤!  
K8S 部署机器IP: 10.0.0.11  
K8S wordpress 项目需要的容器  
\[root@techopskr ~\]\# docker pull mysql:5.7  
\[root@techopskr ~\]\# docker tag mysql:5.7 www.harbor.mobi/common\_services/mysql:5.7  
\[root@techopskr ~\]\# docker push www.harbor.mobi/common\_services/mysql:5.7  
\[root@techopskr ~\]\# docker pull wordpress:latest  
\[root@techopskr ~\]\# docker tag wordpress:latest www.harbor.mobi/common\_services/wordpress:latest  
\[root@techopskr ~\]\# docker push www.harbor.mobi/common\_services/wordpress:latest

>1.【共享目录设置-安装配置NFS挂载】  
>1.1 master节点  
yum install -y nfs-utils-\*  
mkdir /data /code  
vim /etc/exports  
/data 10.0.0.0/24(rw,async,no\_root\_squash,no\_all\_squash)  
/code 10.0.0.0/24(rw,async,no\_root\_squash,no\_all\_squash)  
systemctl restart rpcbind  
systemctl restart nfs  
systemctl enable rpcbind  
systemctl enable nfs  
\[root@k8s-m yml\]\# showmount -e  
/data 10.0.0.0/24  
/code 10.0.0.0/24  
>1.2 node节点  
yum install -y nfs-utils-\*  
systemctl restart rpcbind  
systemctl restart nfs  
systemctl enable rpcbind  
systemctl enable nfs

>2.【PV的制作-data for MYSQL|code for WORDPRESS】  
>2.1 MYSQL的PV  
\[root@k8s-m yml\]\# cat > pv\_mysql.yml <<EOF  
apiVersion: v1  
kind: PersistentVolume  
metadata:  
name: pv-data  
labels:  
type: pv-mysql  
spec:  
capacity:  
storage: 10Gi  
accessModes:  
\- ReadWriteMany  
persistentVolumeReclaimPolicy: Recycle  
nfs:  
path: "/data"  
server: 10.0.0.11  
readOnly: false  
EOF  
>2.2 Wordpress的PV  
\[root@k8s-m yml\]\# cat > pv\_wp.yml <<EOF  
apiVersion: v1  
kind: PersistentVolume  
metadata:  
name: pv-code  
labels:  
type: pv-wp  
spec:  
capacity:  
storage: 10Gi  
accessModes:  
\- ReadWriteMany  
persistentVolumeReclaimPolicy: Recycle  
nfs:  
path: "/code"  
server: 10.0.0.11  
readOnly: false  
EOF  
\[root@k8s-m yml\]\# kubectl create -f pv\_mysql.yml  
\[root@k8s-m yml\]\# kubectl create -f pv\_wp.yml  
\[root@k8s-m yml\]\# kubectl get pv

>3.【PVC的制作 -data for MYSQL|code for WORDPRESS】  
>3.1 MYSQL的PVC  
\[root@k8s-m yml\]\# cat > pvc\_mysql.yml <<EOF  
apiVersion: v1  
kind: PersistentVolumeClaim  
metadata:  
name: pvc-mysql  
spec:  
accessModes:  
\- ReadWriteMany  
resources:  
requests:  
storage: 1Gi  
selector:  
matchLabels:  
pv: pv-mysql  
EOF  
>3.2 Wordpress的PVC  
\[root@k8s-m yml\]\# cat > pvc\_wp.yml <<EOF  
apiVersion: v1  
kind: PersistentVolumeClaim  
metadata:  
name: pvc-wp  
spec:  
accessModes:  
\- ReadWriteMany  
resources:  
requests:  
storage: 1Gi  
selector:  
matchLabels:  
pv: pv-wp  
EOF  
\[root@k8s-m yml\]\# kubectl create -f pvc\_mysql.yml  
\[root@k8s-m yml\]\# kubectl create -f pvc\_wp.yml  
\[root@k8s-m yml\]\# kubectl get pvc

> 4.【创建 MYSQL 的RC】  
> image: docker.io/mysql:5.7 可以通过下载上传到自己的harbor仓库,然后从本地仓库拉去.  
\[root@k8s-m yml\]\# cat > mysql-rc.yml <<EOF  
apiVersion: v1  
kind: ReplicationController  
metadata:  
name: mysql  
spec:  
replicas: 1  
selector:  
app: mysql  
template:  
metadata:  
labels:  
app: mysql  
spec:  
containers:  
\- name: mysql  
image: www.harbor.mobi/common\_services/mysql:5.7  
ports:  
\- containerPort: 3306  
volumeMounts:  
\- name: nfs-vol  
mountPath: /var/lib/mysql  
env:  
\- name: MYSQL\_ROOT\_PASSWORD  
value: "123456"  
\- name: MYSQL\_DATABASE  
value: "wordpress"  
\- name: MYSQL\_USER  
value: "wordpress"  
\- name: MYSQL\_PASSWORD  
value: "wordpress"  
volumes:  
\- name: nfs-vol  
persistentVolumeClaim:  
claimName: pvc-mysql  
EOF  
\[root@k8s-m yml\]\# kubectl create -f mysql-rc.yml

> 5.【创建MYSQL 的 SVC】  
\[root@k8s-m yml\]\# cat > mysql-svc.yml <<EOF  
apiVersion: v1  
kind: Service  
metadata:  
name: mysql  
spec:  
type: NodePort  
ports:  
\- port: 3306  
nodePort: 32345  
selector:  
app: mysql  
EOF  
\[root@k8s-m yml\]\# kubectl create -f mysql-svc.yml  
\[root@k8s-m yml\]\# kubectl get svc  
mysql 10.254.77.254 <none> 3306/TCP 19s  
>备注： 通过docker.io/mysql:5.7 跑起来的mysql SVC 的访问地址为： 10.254.77.254, 然后此地址需要映射到workprocess SVC 中.

> 6.【创建wordpress的RC】  
>docker.io/wordpress:latest 可以通过下载上传到自己的harbor仓库,然后从本地仓库拉去.  
\[root@k8s-m yml\]\# cat > wp-rc.yml <<EOF  
apiVersion: v1  
kind: ReplicationController  
metadata:  
name: myweb  
spec:  
replicas: 2  
selector:  
app: myweb  
template:  
metadata:  
labels:  
app: myweb  
spec:  
containers:  
\- name: myweb  
image: www.harbor.mobi/common\_services/wordpress:latest  
ports:  
\- containerPort: 80  
volumeMounts:  
\- name: nfs-vol  
mountPath: /var/www/html  
env:  
\- name: WORDPRESS\_DB\_HOST  
value: '10.254.77.254'  
\- name: WORDPRESS\_DB\_USER  
value: 'wordpress'  
\- name: WORDPRESS\_DB\_PASSWORD  
value: 'wordpress'  
volumes:  
\- name: nfs-vol  
persistentVolumeClaim:  
claimName: pvc-wp  
EOF  
\[root@k8s-m yml\]\# kubectl create -f wp-rc.yml

> 6.【创建wordpress的SVC】  
\[root@k8s-m yml\]\# cat > wp-svc.yml <<EOF  
apiVersion: v1  
kind: Service  
metadata:  
name: myweb  
spec:  
type: NodePort  
ports:  
\- port: 80  
nodePort: 30008  
selector:  
app: myweb  
EOF  
\[root@k8s-m yml\]\# kubectl create -f wp-svc.yml

> 7.【访问wordpress】  
IE: 10.0.0.11:30008 (虚拟机的IP为:10.0.0.11)  
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