Kubernetes部署高可用自动缩容项目（Yii2.0 advanced 高级模板）

# apt-get 方式安装
apt-get install nfs-kernel-server

# 启动并设置开机自动启动
systemctl enable rpcbind
systemctl enable nfs-kernel-server
systemctl start rpcbind
systemctl start nfs-kernel-server

# yum 方式安装
yum -y install nfs-utils rpcbind 

# 启动并设置开机自动启动
systemctl enable rpcbind
systemctl enable nfs
systemctl start rpcbind
systemctl start nfs

cat < /etc/exports
/usr/share/nginx/html/
EOF

systemctl restart nfs-kernel-server   # ubuntu重启方式
systemctl restart nfs                 # centos重启方式

[root@master1 ~/Yii]#showmount -e nfs.myit.icu
Export list for nfs.myit.icu:
/data/nfsData/Yii                 42.51.0.0/16

server {
    listen       80;
    server_name  localhost;

    location / {
        root   /usr/share/nginx/html/frontend/web;
        index  index.php index.html index.htm;
        try_files $uri $uri/ /index.php$is_args$args;
    }

    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    location ~ \.php$ {
        root           /usr/share/nginx/html/frontend/web;
        fastcgi_pass   unix:/run/php/php7.3-fpm.sock;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }
}

server {
    listen       80;
    server_name  localhost;

    location / {
        root   /usr/share/nginx/html/backend/web;
        index  index.php index.html index.htm;
        try_files $uri $uri/ /index.php$is_args$args;
    }

    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    location ~ \.php$ {
        root           /usr/share/nginx/html/backend/web;
        fastcgi_pass   unix:/run/php/php7.3-fpm.sock;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }
}

apiVersion: v1
kind: ReplicationController
metadata:
  name: frontend
spec:
  replicas: 1
  selector:
    app: frontend
  template:
    metadata:
      labels:
        app: frontend
    spec:
      containers:
      - name: frontend
        image: lnmp:7.3
        imagePullPolicy: IfNotPresent
        resources:
          requests:
            memory: 64Mi
            cpu: 100m
          limits:
            memory: 128Mi
            cpu: 200m
        livenessProbe:
          exec:
            command: 
              - "/etc/init.d/php7.3-fpm"
              - "start"
        ports:
        - containerPort: 80
        volumeMounts:
        - name: code
          mountPath: /usr/share/nginx/html/
        - name: config
          mountPath: /etc/nginx/conf.d/
      volumes:
      - name: code
        nfs:
          server: nfs.myit.icu
          path: /data/nfsData/Yii/advanced
      - name: config
        configMap:
          name: frontend
          items:
            - key: "frontend.conf"
              path: "frontend.conf"

apiVersion: v1
kind: ReplicationController
metadata:
  name: backend
spec:
  replicas: 1
  selector:
    app: backend
  template:
    metadata:
      labels:
        app: backend
    spec:
      containers:
      - name: backend
        image: lnmp:7.3
        imagePullPolicy: IfNotPresent
        resources:
          requests:
            memory: 64Mi
            cpu: 100m
          limits:
            memory: 128Mi
            cpu: 200m
        livenessProbe:
          exec:
            command: 
              - "/etc/init.d/php7.3-fpm"
              - "start"
        ports:
        - containerPort: 80
        volumeMounts:
        - name: code
          mountPath: /usr/share/nginx/html/
        - name: config
          mountPath: /etc/nginx/conf.d/
      volumes:
      - name: code
        nfs:
          server: nfs.myit.icu
          path: /data/nfsData/Yii/advanced
      - name: config
        configMap:
          name: backend
          items:
            - key: "backend.conf"
              path: "backend.conf"

apiVersion: v1
kind: Service
metadata:
  name: frontend-service
  labels:
    app: frontend
spec:
  type: NodePort
  ports:
  - name: frontend
    port: 80
    nodePort: 30080
  selector:
    app: frontend

---
apiVersion: v1
kind: Service
metadata:
  name: backend-service
  labels:
    app: backend
spec:
  type: NodePort
  ports:
  - name: backend
    port: 80
    nodePort: 30081
  selector:
    app: backend

# ConfigMap 
[root@master1 ~/Yii]#kubectl create configmap frontend --from-file=frontend.conf
configmap/frontend created
[root@master1 ~/Yii]#kubectl create configmap backend --from-file=backend.conf
configmap/backend created

# ReplicationController
[root@master1 ~/Yii]#kubectl apply -f frontend-rc.yaml
replicationcontroller/frontend created

[root@master1 ~/Yii]#kubectl apply -f backend-rc.yaml 
replicationcontroller/backend created
[root@master1 ~/Yii]#vim advanced-svc.yaml

# Service
[root@master1 ~/Yii]#kubectl apply -f advanced-svc.yaml
service/frontend-service created
service/backend-service created

kubectl autoscale rc frontend-rc --min=1 --max=10 --cpu-percent=50
kubectl autoscale rc backend-rc --min=1 --max=10 --cpu-percent=50