标签：keepalived nginx upstream监控
nginx安装并支持upstream和tcp代理模块
yum groupinstall "Development tools"
yum -y install pcre-devel openssl openssl-devel git
wget http://nginx.org/download/nginx-1.4.5.tar.gz
tar zxvf nginx-1.4.5.tar.gz
cd nginx-1.4.5
git clone https://github.com/yaoweibin/nginx_upstream_check_module.git //upstream模块
git clone https://github.com/yaoweibin/nginx_tcp_proxy_module.git //tcp代理模块
yum install patch
patch -p1 <nginx_upstream_check_module/check_1.2.6+.patch
patch -p1 <nginx_tcp_proxy_module/tcp.patch
./configure --add-module=nginx_upstream_check_module --add-module=nginx_tcp_proxy_module
make
make install
cp /usr/local/nginx/sbin/nginx /usr/sbin/
#!/bin/sh
#
# nginx - this script starts and stops the nginx daemon
#
# chkconfig: - 85 15
# description: Nginx is an HTTP(S) server, HTTP(S) reverse \
# proxy and IMAP/POP3 proxy server
# processname: nginx
# config: /etc/nginx/nginx.conf
# config: /etc/sysconfig/nginx
# pidfile: /var/run/nginx.pid
# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
# Check that networking is up.
[ "$NETWORKING" = "no" ] && exit 0
nginx="/usr/sbin/nginx"
prog=$(basename $nginx)
NGINX_CONF_FILE="/usr/local/nginx/conf/nginx.conf"
[ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx
lockfile=/var/lock/subsys/nginx
make_dirs() {
# make required directories
user=`nginx -V 2>&1 | grep "configure arguments:" | sed ‘s/[^*]*--user=\([^ ]*\).*/\1/g‘ -`
options=`$nginx -V 2>&1 | grep ‘configure arguments:‘`
for opt in $options; do
if [ `echo $opt | grep ‘.*-temp-path‘` ]; then
value=`echo $opt | cut -d "=" -f 2`
if [ ! -d "$value" ]; then
# echo "creating" $value
mkdir -p $value && chown -R $user $value
fi
fi
done
}
start() {
[ -x $nginx ] || exit 5
[ -f $NGINX_CONF_FILE ] || exit 6
make_dirs
echo -n $"Starting $prog: "
daemon $nginx -c $NGINX_CONF_FILE
retval=$?
echo
[ $retval -eq 0 ] && touch $lockfile
return $retval
}
stop() {
echo -n $"Stopping $prog: "
killproc $prog -QUIT
retval=$?
echo
[ $retval -eq 0 ] && rm -f $lockfile
return $retval
}
restart() {
configtest || return $?
stop
sleep 1
start
}
reload() {
configtest || return $?
echo -n $"Reloading $prog: "
killproc $nginx -HUP
RETVAL=$?
echo
}
force_reload() {
restart
}
configtest() {
$nginx -t -c $NGINX_CONF_FILE
}
rh_status() {
status $prog
}
rh_status_q() {
rh_status >/dev/null 2>&1
}
case "$1" in
start)
rh_status_q && exit 0
$1
;;
stop)
rh_status_q || exit 0
$1
;;
restart|configtest)
$1
;;
reload)
rh_status_q || exit 7
$1
;;
force-reload)
force_reload
;;
status)
rh_status
;;
condrestart|try-restart)
rh_status_q || exit 0
;;
*)
echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}"
exit 2
esac
然后将文件保存为nginx，并放在/etc/init.d/目录下，给予执行权限，开机自启动控制
# chmod +x /etc/init.d/nginx
# chkconfig --add nginx
# chkconfig nginx on
http()之中 下面：
upstream jms_pool {
# simple round-robin
server 192.168.0.74:8815;
server 192.168.0.74:8816;
server 192.168.0.76:8817;
check interval=3000 rise=2 fall=5 timeout=1000 type=http;
check_http_send "GET / HTTP/1.0\r\n\r\n";
check_http_expect_alive http_2xx http_3xx;
}
upstream lucene_pool {
# simple round-robin
server 192.168.0.88:4906;
server 192.168.0.89:4906;
server 192.168.0.90:4906;
server 192.168.0.91:4906;
server 192.168.0.92:4906;
check interval=3000 rise=2 fall=5 timeout=1000 type=tcp;
}
server {
listen 80;
location / {
proxy_pass http://jms_pool;
}
location /status {
check_status;
}
access_log /var/logs/jms_access.log;
}
server {
listen 82;
location / {
proxy_pass http://lucene_pool;
}
location /status {
check_status;
}
access_log /var/logs/lucene_access.log;
}
keepalived实现nginx双机高可用
http://sdwang.blog.51cto.com/8432181/1880579
本文出自 “小丑人间” 博客，请务必保留此出处http://setup.blog.51cto.com/36721/1882259
标签：keepalived nginx upstream监控
原文地址：http://setup.blog.51cto.com/36721/1882259
