192.168.56.104
/etc/keepalived/keepalived.conf
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global_defs {
router_id nginx-proxy-ha
}
vrrp_script check_nginx {
script
"/home/lhb/sh/check_nginx.sh"
###监控脚本
interval 2
###监控时间
weight 2
###目前搞不清楚
}
vrrp_instance VI_1{
state MASTER
### 设置为 主
interface eth0
### 监控网卡
virtual_router_id 51
### 这个两台服务器必须一样
priority 101
### 权重值 MASTRE 一定要高于 BAUCKUP
authentication {
auth_type PASS
### 加密
auth_pass eric
### 加密的密码，两台服务器一定要一样，不然会出错
}
track_script {
check_nginx
### 执行监控的服务
}
virtual_ipaddress {
192.168.56.200
### VIP 地址
}
}
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192.168.56.107
/etc/keepalived/keepalived.conf
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global_defs {
router_id nginx-proxy-ha
}
vrrp_script check_nginx {
script
"/home/lhb/sh/check_nginx.sh"
interval 2
weight 2
}
vrrp_instance VI_1 {
state BACKUP
### 设置为 辅机
interface eth0
virtual_router_id 51
### 与 MASTRE 设置 值一样
priority 100
### 比 MASTRE权重值 低
authentication {
auth_type PASS
auth_pass eric
### 密码 与 MASTRE 一样
}
track_script {
check_nginx
}
virtual_ipaddress {
192.168.56.200
}
}
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/home/lhb/sh/check_nginx.sh
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#!/bin/bash
A=`
ps
-C nginx --no-header |
wc
-l`
## 查看是否有 nginx进程 把值赋给变量A
if
[ $A -
eq
0 ];
then
## 如果没有进程值得为 零
/usr/local/openresty/nginx/sbin/nginx
sleep
3
if
[ `
ps
-C nginx --no-header |
wc
-l` -
eq
0 ];
then
killall keepalived
## 则结束 keepalived 进程
fi
fi
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192.168.56.104、192.168.56.107上nginx配置:
/usr/local/openresty/nginx/conf/nginx.conf
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#user nobody;
worker_processes 1;
error_log logs
/error
.log;
error_log logs
/error
.log notice;
error_log logs
/error
.log info;
pid logs
/nginx
.pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application
/octet-stream
;
log_format main
'$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"'
;
access_log logs
/access
.log main;
sendfile on;
keepalive_timeout 65;
gzip
on;
gzip_min_length 1k;
gzip_buffers 4 1024k;
gzip_http_version 1.1;
gzip_comp_level 6;
gzip_types text
/plain
application
/x-javascript
text
/css
application
/xml
;
#gzip_vary on;
proxy_hide_header Vary;
proxy_connect_timeout 600;
proxy_read_timeout 600;
proxy_send_timeout 600;
proxy_buffer_size 16k;
proxy_buffers 4 64k;
proxy_busy_buffers_size 128k;
proxy_temp_file_write_size 128k;
upstream backendserver {
#ip_hash;
server 192.168.56.105:80;
server 192.168.56.106:80;
}
server {
listen 80;
server_name localhost;
location / {
index index.html index.htm;
proxy_pass http:
//backendserver
;
proxy_set_header Host $host;
proxy_next_upstream error timeout invalid_header http_500 http_502 http_504;
proxy_set_header X-Forwarded-For $remote_addr;
}
error_page 500 502 503 504
/50x
.html;
location =
/50x
.html {
root html;
}
}
}
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