Forum Discussion
dubdub
Dec 23, 2011Nimbostratus
Query currently selected pool
Hi all,
Per Deb's article at http://devcentral.f5.com/Tutorials/TechTips/tabid/63/articleType/ArticleView/articleId/130/iRules-101--05--Selecting-Pools-Pool-Members-and-Nodes.aspx, I am forcing selection of varying pools based on URI. I understand that if I do not force a selection, the pool will remain as the last selected pool for that connection. Is there a way to query which pool is currently assigned to a connection?
Thanks,
Jen
- nitassEmployeeif i am not wrong, it seems to be LB::server.
[root@ve1023:Active] config b virtual bar list virtual bar { snat automap pool foo destination 172.28.19.79:80 ip protocol 6 rules myrule profiles { http {} tcp {} } } [root@ve1023:Active] config b pool foo list pool foo { members 200.200.200.101:80 {} } b[root@ve1023:Active] config b pool foo1 list pool foo1 { members 200.200.200.102:80 {} } [root@ve1023:Active] config b rule myrule list rule myrule { when CLIENT_ACCEPTED { log local0. "" } when HTTP_REQUEST { set req [HTTP::uri] log local0. "[LB::server addr]" switch -glob $req { *.jpg { pool foo1 } } } when HTTP_RESPONSE { log local0. "[IP::client_addr]:[TCP::client_port] -> [IP::remote_addr]:[IP::remote_addr]|$req" } } curl http://172.28.19.79/test.html http://172.28.19.79/husky.jpg http://172.28.19.79/f5.gif > /dev/null % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 149 100 149 0 0 32112 0 --:--:-- --:--:-- --:--:-- 0 100 284 100 284 0 0 79396 0 --:--:-- --:--:-- --:--:-- 79396 100 281 100 281 0 0 126k 0 --:--:-- --:--:-- --:--:-- 126k [root@ve1023:Active] config cat /var/log/ltm Dec 23 11:01:32 local/tmm info tmm[26866]: Rule myrule CLIENT_ACCEPTED: Dec 23 11:01:32 local/tmm info tmm[26866]: Rule myrule HTTP_REQUEST: Dec 23 11:01:32 local/tmm info tmm[26866]: Rule myrule HTTP_RESPONSE: 172.28.19.80:51262 -> 200.200.200.101:200.200.200.101|/test.html Dec 23 11:01:32 local/tmm info tmm[26866]: Rule myrule HTTP_REQUEST: 200.200.200.101 Dec 23 11:01:32 local/tmm info tmm[26866]: Rule myrule HTTP_RESPONSE: 172.28.19.80:51262 -> 200.200.200.102:200.200.200.102|/husky.jpg Dec 23 11:01:32 local/tmm info tmm[26866]: Rule myrule HTTP_REQUEST: 200.200.200.102 Dec 23 11:01:32 local/tmm info tmm[26866]: Rule myrule HTTP_RESPONSE: 172.28.19.80:51262 -> 200.200.200.102:200.200.200.102|/f5.gif
- dubdubNimbostratusHi Nitass,
- nitassEmployeeon particular busy pages, it occasionally gets a null result in the logs. I've not been able to detect any errors being presented in the browser though. Would that be expected behavior?if it is the first request in a connection, i would say it is an expected since pool member has not been selected in HTTP_REQUEST event. It is like the second line of my ltm log.
- dubdubNimbostratusHi Nitass,
- dubdubNimbostratusHi Nitass,
Recent Discussions
Related Content
DevCentral Quicklinks
* Getting Started on DevCentral
* Community Guidelines
* Community Terms of Use / EULA
* Community Ranking Explained
* Community Resources
* Contact the DevCentral Team
* Update MFA on account.f5.com
Discover DevCentral Connects