nginx&tomcat with keepalived for configing cluster

rpm -ql keepalived

rpm --ivh keepalived

mkdir -p /var/temp/nginx

#nginx source install

./configure \

--prefix=/usr/local/nginx \

--pid-path=/var/run/nginx/nginx.pid \

--lock-path=/var/lock/nginx.lock \

--error-log-path=/var/log/nginx/error.log \

--http-log-path=/var/log/nginx/access.log \

--with-http_gzip_static_module \

--http-client-body-temp-path=/var/temp/nginx/client \

--http-proxy-temp-path=/var/temp/nginx/proxy \

--http-fastcgi-temp-path=/var/temp/nginx/fastcgi \

--http-uwsgi-temp-path=/var/temp/nginx/uwsgi \

--http-scgi-temp-path=/var/temp/nginx/scgi

make install

single nginx

××××××××××××××××××××××pc-133&pc-134××××××××tomcat cluster××××××××××××××

edit nginx.conf

upstream tomcate_server {

server 192.168.190.133 weight=20;

server 192.168.190.134 weight=10;

}

server {

location / {

proxy_pass http://tomcate_server;
...

...

}

..

}

****************config keepalived********************

global_defs {

# notification_email { #

# acassen@firewall.loc

# failover@firewall.loc

# sysadmin@firewall.loc

# }

# notification_email_from Alexandre.Cassen@firewall.loc

# smtp_server 192.168.200.1

# smtp_connect_timeout 30

router_id LVS_DEVEL

}

vrrp_script check_nginx_status {

script "/etc/keepalived/check_nginx_status.sh"

interval 2

weight 2

}

vrrp_instance VI_1 {

state MASTER #master

interface eth0

virtual_router_id 51 #

advert_int 1 #

authentication {

auth_type PASS

auth_pass 1111

}

virtual_ipaddress {

192.168.190.138 #

# 192.168.200.17 #

# 192.168.200.18 #

}

}

×××××××××××××××××××keepalived back up×××××××

global_defs {

# notification_email { #

# acassen@firewall.loc

# failover@firewall.loc

# sysadmin@firewall.loc

# }

# notification_email_from Alexandre.Cassen@firewall.loc

# smtp_server 192.168.200.1

# smtp_connect_timeout 30

router_id LVS_DEVEL

}

vrrp_instance VI_1 {

state BACKUP

interface eth0

virtual_router_id 51

priority 99 #prio

advert_int 1 #

authentication {

auth_type PASS

auth_pass 1111

}

virtual_ipaddress {

192.168.190.138 # virtual IP

# 192.168.200.17 # banding IP

# 192.168.200.18 # banding IP

}

}

**********************keepalived script********

#!/bin/bash
nginxVal=`ps -C nginx--no-header |wc -l`
if [ $nginxVal -eq 0 ];then

servicekeepalived stop
fi

#other command

ip show addr eth0

service keepalived status/start/stop.restart

./sbin/nginx -s quit