add

2-生产环境4.0/负载均衡服务器/高负载均衡/check-lb-ip.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+
+export log_file=/etc/keepalived/report.log
+
+if [[ $( ip addr | grep -c "192.168.148.131") -eq 1 ]]; then
+
+    echo "当前主机为 主loadbalancer节点！ 当前时间为 $(date) " >> ${log_file}
+
+    echo "start to sync nginx conf to another loadbalancer" >> ${log_file}
+    rclone sync /etc/nginx/ loadbalancer:/etc/nginx/ >> ${log_file}
+
+    echo "start to reload the other loadbalancer nginx" >> ${log_file}
+    ssh loadbalancer "systemctl restart nginx"
+
+    echo "" >> ${log_file}
+    echo "----------------------------" >> ${log_file}
+fi
+
+

2-生产环境4.0/负载均衡服务器/高负载均衡/crontab.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+
+nginx
+
+boge14@Level5
+
+
+*/15 * * * * /etc/keepalived/check-lb-ip.sh

2-生产环境4.0/负载均衡服务器/高负载均衡/keepalived-1.conf

@@ -0,0 +1,28 @@
+! Configuration File for keepalived
+global_defs {
+   router_id web-1  ##标识节点的字符串，通常为本机hostname
+}
+vrrp_script chk_nginx {
+    script "/etc/keepalived/nginx_check.sh"  ##执行脚本位置
+    interval 2  ##检测时间间隔
+    weight -20  ##如果条件成立则权重减20
+}
+vrrp_instance VI_1 {
+    state MASTER  ## 主节点为MASTER，备份节点为BACKUP-该配置非常重要
+    interface ens192: ## 绑定虚拟IP的网络接口（网卡可以使用ifconfig查看）
+    virtual_router_id 110  ## 虚拟路由ID号（主备节点一定要相同）-该配置非常重要
+    mcast_src_ip 192.168.148.141 ## 本机ip地址
+    priority 200  ##优先级配置（0-254的值）,一般主节点的权重大于备份节点
+    nopreempt
+    advert_int 2  ## 组播信息发送间隔，俩个节点必须配置一致，默认1s
+authentication {  ## 认证匹配
+        auth_type PASS
+        auth_pass super-cyy
+    }
+    track_script {
+        chk_nginx
+    }
+    virtual_ipaddress {
+        192.168.148.131  ## 虚拟ip
+    }
+}

2-生产环境4.0/负载均衡服务器/高负载均衡/keepalived-2.conf

@@ -0,0 +1,28 @@
+! Configuration File for keepalived
+global_defs {
+   router_id web-2  ##标识节点的字符串，通常为本机hostname
+}
+vrrp_script chk_nginx {
+    script "/etc/keepalived/nginx_check.sh"  ##执行脚本位置
+    interval 2  ##检测时间间隔
+    weight -20  ##如果条件成立则权重减20
+}
+vrrp_instance VI_2 {
+    state BACKUP  ## 主节点为MASTER，备份节点为BACKUP-该配置非常重要
+    interface ens192 ## 绑定虚拟IP的网络接口（网卡可以使用ifconfig查看）
+    virtual_router_id 110  ## 虚拟路由ID号（主备节点一定要相同）-该配置非常重要
+    mcast_src_ip 192.168.148.142 ## 本机ip地址
+    priority 100  ##优先级配置（0-254的值）,一般主节点的权重大于备份节点
+    nopreempt
+    advert_int 2  ## 组播信息发送间隔，俩个节点必须配置一致，默认1s
+authentication {  ## 认证匹配
+        auth_type PASS
+        auth_pass super-cyy
+    }
+    track_script {
+        chk_nginx
+    }
+    virtual_ipaddress {
+        192.168.148.131  ## 虚拟ip
+    }
+}

2-生产环境4.0/负载均衡服务器/高负载均衡/nginx_check.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+
+log_file=/etc/keepalived/report.log
+COUNT=$(systemctl status nginx | grep -c "active (running)")
+
+
+if [ "$COUNT" -eq 0 ];then
+
+    echo "[ERROR] moniter nginx failure ! $(date) " >> ${log_file}
+    systemctl restart nginx
+
+    sleep 2
+    if [ $(systemctl status nginx | grep -c "active (running)") -eq 0 ];then
+        echo "[ERROR] restart nginx failed ! $(date) " >> ${log_file}
+        killall keepalived
+    fi
+fi