Forum Discussion

crush09_18103's avatar
crush09_18103
Icon for Nimbostratus rankNimbostratus
Aug 21, 2012

Redirect

So this is what I'm trying to do... We have a production webpage (virtual server/pool) with basic health monitors. We have a maintenance webpage (virtual server/pool). So the application guys wa...
application delivery
dev
devops
iRules
nitass's avatar
nitass
Icon for Employee rankEmployee
Aug 21, 2012
e.g.

172.28.19.79 is production virtual

200.200.200.101 is production pool

172.28.19.89 is maintenance virtual 

[root@ve10:Active] config  b virtual prod list
virtual prod {
   snat automap
   pool prodpool
   destination 172.28.19.79:80
   ip protocol 6
   rules myrule
   profiles {
      http {}
      tcp {}
   }
}
[root@ve10:Active] config  b pool prodpool list
pool prodpool {
   monitor all myhttp
   members 200.200.200.101:80 {}
}
[root@ve10:Active] config  b monitor myhttp list
monitor myhttp {
   defaults from http
   dest 172.28.19.89:80
   reverse
   recv "down"
   send "GET /test.html HTTP/1.1\r\nHost: \r\nConnection: Close\r\n\r\n"
}
[root@ve10:Active] config  b rule myrule list
rule myrule {
   when HTTP_REQUEST {
   if {[active_members [LB::server pool]] < 1} {
     HTTP::fallback "http://172.28.19.89"
   }
}
}

[root@ve10:Active] config  curl http://172.28.19.89/test.html
down

[root@ve10:Active] config  b pool prodpool|grep -i pool
POOL prodpool  LB METHOD round robin   MIN/CUR ACTIVE MEMBERS 0/0
+-> POOL MEMBER prodpool/200.200.200.101:80   inactive,down

[root@ve10:Active] config  curl -I http://172.28.19.79
HTTP/1.0 302 Found
Location: http://172.28.19.89
Connection: close