k8s部署wordpress
k8s部署wordpress1.有基础环境(k8s,docker-ce,docker-compose)(node节点的;docker pull $IP/library/wordpress:4.8-apachedocker pull $IP/library/mysql:5.6docker pull $IP/library/busybox:1.28)2.安装nfs和rpc(两端)master:yum
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k8s部署wordpress
1.有基础环境(k8s,docker-ce,docker-compose)
(node节点的;
docker pull $IP/library/wordpress:4.8-apache
docker pull $IP/library/mysql:5.6
docker pull $IP/library/busybox:1.28
)
2.安装nfs和rpc(两端)
master:
yum install -y nfs-utils rpcbind
node:
yum install -y nfs-utils
# systemctl start rpcbind
# systemctl enable rpcbind
# rpcinfo -p localhost
# systemctl start nfs
# systemctl enable nfs
# rpcinfo -p localhost
3.创建挂载目录
# mkdir -p /home/pvdata/mysql
# mkdir -p /home/pvdata/wordpress
# chmod 777 /home/pvdata/mysql
# chmod 777 /home/pvdata/wordpress
4.写nfs文件
# vim /etc/exports
/home/pvdata/mysql *(rw,sync,insecure,no_subtree_check,no_root_squash)
/home/pvdata/wordpress *(rw,sync,insecure,no_subtree_check,no_root_squash)
# exportfs -r
# exportfs
(初始化)
5.创建mysql pv卷
# cat mysql-persistent-storage.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
name: mysql-persistent-storage
spec:
capacity:
storage: 20Gi
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Recycle
storageClassName: nfs
nfs:
path: /home/pvdata/mysql/
server: 10.18.4.10(修改IP即可)
# kubectl apply -f mysql-persistent-storage.yaml
6.创建wordpress pv卷
# cat wordpress-persistent-storage.yaml
apiVersion: v1
kind: PersistentVolume
metadata:
name: wordpress-persistent-storage
spec:
capacity:
storage: 20Gi
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Recycle
storageClassName: nfs
nfs:
path: /home/pvdata/wordpress/
server: 10.18.4.10(改ip)
# kubectl apply -f wordpress-persistent-storage.yaml
7.写kustomization.yaml文件
# cat <<EOF >./kustomization.yaml
secretGenerator:
- name: mysql-pass
literals:
- password=123456ok (改密码)
EOF
8.两个重点文件修改
#mysql-de文件
apiVersion: v1
kind: Service
metadata:
name: wordpress-mysql
labels:
app: wordpress
spec:
ports:
- port: 3306
selector:
app: wordpress
tier: mysql
clusterIP: None
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: mysql-pv-claim
labels:
app: wordpress
spec:
storageClassName: nfs
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 20Gi
---
apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
kind: Deployment
metadata:
name: wordpress-mysql
labels:
app: wordpress
spec:
selector:
matchLabels:
app: wordpress
tier: mysql
strategy:
type: Recreate
template:
metadata:
labels:
app: wordpress
tier: mysql
spec:
containers:
- image: 10.0.0.4/library/mysql:5.6
name: mysql
env:
- name: MYSQL_ROOT_PASSWORD
valueFrom:
secretKeyRef:
name: mysql-pass
key: password
ports:
- containerPort: 3306
name: mysql
volumeMounts:
- name: mysql-persistent-storage
mountPath: /var/lib/mysql
volumes:
- name: mysql-persistent-storage
persistentVolumeClaim:
claimName: mysql-pv-claim
#word-de
apiVersion: v1
kind: Service
metadata:
name: wordpress
labels:
app: wordpress
spec:
ports:
- port: 80
selector:
app: wordpress
tier: frontend
type: LoadBalancer
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: wp-pv-claim
labels:
app: wordpress
spec:
storageClassName: nfs
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 20Gi
---
apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
kind: Deployment
metadata:
name: wordpress
labels:
app: wordpress
spec:
selector:
matchLabels:
app: wordpress
tier: frontend
strategy:
type: Recreate
template:
metadata:
labels:
app: wordpress
tier: frontend
spec:
containers:
- image: 10.0.0.4/library/wordpress4.8-apache
name: wordpress
env:
- name: WORDPRESS_DB_HOST
value: wordpress-mysql
- name: WORDPRESS_DB_PASSWORD
valueFrom:
secretKeyRef:
name: mysql-pass
key: password
ports:
- containerPort: 80
name: wordpress
volumeMounts:
- name: wordpress-persistent-storage
mountPath: /var/www/html
volumes:
- name: wordpress-persistent-storage
persistentVolumeClaim:
claimName: wp-pv-claim
8.安装开始
# kubectl apply -k ./
9.验证
# kubectl get secrets
# kubectl get pvc
# kubectl get services wordpress
10.访问
http://ip:port
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