update

nginx/Demo/TwoNodes/README.md

@@ -0,0 +1,19 @@
+# 部署 nginx 双节点+高可用
+
+- 在两台服务器上都执行下面操作
+- 根据实际环境修改
+    - docker-compose.yml
+    - keepalived/conf/keepalived.conf
+    - nginx/http.d/80.conf
+
+- 创建目录
+    ```
+    grep '\<source:' docker-compose.yml | cut -d: -f2 | xargs mkdir -p
+    ```
+
+- 上传可能需要的前端文件到 nginx/html/ 下
+- 启动
+    ```
+    docker-compose up -d
+    ```
+

nginx/Demo/TwoNodes/docker-compose.yml

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+version: "3.7"
+  
+services:
+  keepalived:
+    image: harbor.colben.cn/general/keepalived
+    container_name: keepalived
+    restart: "on-failure"
+    stop_grace_period: 1m
+    privileged: true
+    network_mode: host
+    volumes:
+    - type: bind
+      source: ./keepalived/conf
+      target: /etc/keepalived
+    - type: bind
+      source: ./keepalived/log
+      target: /var/log/keepalived
+
+  nginx:
+    image: harbor.colben.cn/general/nginx
+    container_name: nginx
+    restart: "on-failure"
+    stop_grace_period: 1m
+    network_mode: host
+    volumes:
+    - type: bind
+      source: ./nginx/html
+      target: /var/lib/nginx/html
+    - type: bind
+      source: ./nginx/http.d
+      target: /etc/nginx/http.d
+    - type: bind
+      source: ./nginx/stream.d
+      target: /etc/nginx/stream.d
+    - type: bind
+      source: ./nginx/log
+      target: /var/log/nginx
+

nginx/Demo/TwoNodes/keepalived/conf/keepalived.conf

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+global_defs {
+    router_id nginx1 # 在另一台服务器中，这里配置 nginx2
+    script_user root
+    enable_script_security
+}
+
+vrrp_script chk_nginx {
+    script "/sbin/ss -lnt | grep -q ':80\>'"
+    interval 10
+    weight 0
+    fall 2
+    rise 2
+}
+
+vrrp_instance VI_1 {
+    state BACKUP
+    virtual_router_id 14
+    priority 150 # 在另一台服务器中，这里配置100
+    advert_int 2
+    nopreempt
+    interface eth0 # 这里的 eth0 是服务器的网卡名
+    track_script {
+        chk_nginx
+    }
+    authentication {
+        auth_type PASS
+        auth_pass El_en_nginx_1234
+    }
+    virtual_ipaddress {
+        虚拟IP/掩码 dev eth0 # 这里的eth0是服务器的网卡名
+    }
+}
+

nginx/Demo/TwoNodes/nginx/http.d/80.conf

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+server {
+    listen 80;
+    location / {}
+}
+