【haproxy初始化】init_haproxy.sh
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#!/bin/bash
#
# 2015/4/29
# init haproxy cfg/rsyslog/logrotate
log() {
echo
"[-] install"
rpm -qa |
grep
haproxy && [ $? = 0 ]
[ $? = 0 ] &&
which
haproxy || yum -y
install
haproxy
echo
"[-] configure rsyslog and logrotate"
# rsyslog
cat
>
/etc/rsyslog
.d
/haproxy
.conf <<_CONF
# 启用 UDP port 514
\$ModLoad imudp
\$UDPServerRun 514
local2.=info -
/var/log/haproxy/haproxy
.log
local2.notice -
/var/log/haproxy/haproxy
.admin
# 其他类型的不记录
local2.* ~
_CONF
service rsyslog restart
# logrotate
[ -f
/etc/logrotate
.d
/haproxy
] ||
cat
>
/etc/logrotate
.d
/haproxy
<<_CONF
/var/log/haproxy/haproxy
.log {
daily
rotate 10
missingok
notifempty
compress
sharedscripts
postrotate
/bin/kill
-HUP `
cat
/var/run/syslogd
.pid 2>
/dev/null
` 2>
/dev/null
||
true
/bin/kill
-HUP `
cat
/var/run/rsyslogd
.pid 2>
/dev/null
` 2>
/dev/null
||
true
endscript
}
_CONF
echo
"[*] done."
}
cfg() {
echo
"[-] initialize cfg file, saved to: /etc/haproxy/haproxy.cfg"
mv
/etc/haproxy/haproxy
.cfg
/etc/haproxy/old
.haproxy.cfg
# add haproxy example conf
cat
>
/etc/haproxy/haproxy
.cfg <<_CONF
#---------------------------------------------------------------------
# HAProxy 配置
#
#---------------------------------------------------------------------
# 全局设置
#---------------------------------------------------------------------
global
# # 使用系统的rsyslog记录日志
#
log 127.0.0.1 local2
chroot
/var/lib/haproxy
pidfile
/var/run/haproxy
.pid
maxconn 4000
user haproxy
group haproxy
daemon
# turn on stats unix socket
stats socket
/var/lib/haproxy/stats
#---------------------------------------------------------------------
# 通用设置， 'listen' 和 'backend' 部分会用到，如果没单独指定的话
#---------------------------------------------------------------------
defaults
mode http
log global
option httplog
option dontlognull
# 不记录空连接
option http-server-close
option forwardfor except 127.0.0.0
/8
option redispatch
retries 3
timeout http-request 1m
timeout queue 1m
timeout connect 10s
timeout client 1m
timeout server 1m
timeout http-keep-alive 10s
timeout check 10s
maxconn 3000
balance roundrobin
# lb算法
#---------------------------------------------------------------------
# 配置 stat
#---------------------------------------------------------------------
listen admin_stat
bind 127.0.0.1:12202
mode http
option httplog
log global
stats refresh 30s
# 统计页面自动刷新时间
stats uri
/status
# 统计页面URL
stats realm Haproxy\ Statistics
# 统计页面密码框上提示文本
stats auth admin:password
# 统计页面用户名和密码设置
stats hide-version
# 隐藏统计页面上HAProxy的版本信息
#---------------------------------------------------------------------
# 配置 TCP
#---------------------------------------------------------------------
# backend
# check -- 允许对该服务器进行健康检查
# weight -- 设置权重
# inter -- 连续两次健康检查间隔，单位为毫秒(ms)，默认值 2000(ms)
# rise -- 指定多少次连续成功的健康检查后，即可认定该服务器处于可操作状态，默认值 2
# fall -- 指定多少次不成功的健康检查后，认为服务器为当掉状态，默认值 3
# server s_name s_ip:port check weight inter 2000 rise 2 fall 3
listen p80
bind *:80
mode tcp
option tcplog
server app1 192.168.1.240:80 check
#---------------------------------------------------------------------
# main frontend which proxys to the backends
#---------------------------------------------------------------------
frontend main *:5000
acl url_static path_beg -i
/static
/images
/javascript
/stylesheets
acl url_static path_end -i .jpg .gif .png .css .js
use_backend static
if
url_static
default_backend app
#---------------------------------------------------------------------
# static backend for serving up images, stylesheets and such
#---------------------------------------------------------------------
backend static
balance roundrobin
server static 127.0.0.1:4331 check
#---------------------------------------------------------------------
# round robin balancing between the various backends
#---------------------------------------------------------------------
backend app
balance roundrobin
server app1 127.0.0.1:5001 check
server app2 127.0.0.1:5002 check
server app3 127.0.0.1:5003 check
server app4 127.0.0.1:5004 check
_CONF
echo
"[*] done."
service haproxy check
}
usage() {
cat
<<_USAGE
initialize haproxy log and config
Usage:
$0 [log|cfg]
_USAGE
}
##########
case
$1
in
log|cfg)
$1
;;
*)
usage
;;
esac
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本文转自 pcnk 51CTO博客，原文链接：http://blog.51cto.com/nosmoking/1594657，如需转载请自行联系原作者
