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Leslie_South_55's avatar
Leslie_South_55
Icon for Nimbostratus rankNimbostratus
Oct 17, 2008

Using LB_FAILED and change the URI w/o 302

I am trying to use the 'when LB_FAILED' to send requests a pool just for apologies. The issue is that the requests coming into the VS have crazy long URI strings like '/ABC/def/g/hij/klmno/' and my s...
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Leslie_South_55's avatar
Leslie_South_55
Icon for Nimbostratus rankNimbostratus
Oct 20, 2008
Here is the rule with mods for my environment 

 
  when LB_FAILED { 
        log local0. "[IP::client_addr]:[TCP::client_port]: Request to pool failed, [LB::server pool]" 
     Check if this request was not generated from the maintenance page using the HTTP referer header 
   if {not ([HTTP::header value referer] ends_with "/apologies.htm")}{ 
    log local0. "[IP::client_addr]:[TCP::client_port]: Referer wasn't the maintenance page.  Rewriting URI to maintenance page." 
    HTTP::uri "/" 
   } 
    Send request to the apologies pool 
    LB::reselect pool pool_apologies_http 
    log local0  "[IP::client_addr]:[TCP::client_port]: Reselecting member from the apologies pool" 
 }

and here are my logs

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Referer wasn't the maintenance page.

01220001:3: TCL error: Rule rule_apologies_http-referrer - wrong args: should be "log"

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Referer wasn't the maintenance page.

01220001:3: TCL error: Rule rule_apologies_http-referrer - wrong args: should be "log"

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Referer wasn't the maintenance page.

01220001:3: TCL error: Rule rule_apologies_http-referrer - wrong args: should be "log"

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Referer wasn't the maintenance page.

01220001:3: TCL error: Rule rule_apologies_http-referrer - wrong args: should be "log"

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Referer wasn't the maintenance page.

01220001:3: TCL error: Rule rule_apologies_http-referrer - wrong args: should be "log"

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Referer wasn't the maintenance page.

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Referer wasn't the maintenance page.

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Referer wasn't the maintenance page.

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Referer wasn't the maintenance page.

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2756: Referer wasn't the maintenance page.

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Referer wasn't the maintenance page.

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2757: Referer wasn't the maintenance page.

Rule rule_apologies_http-referrer : 10.20.45.9:2758: Request to pool failed, pool_prod

Rule rule_apologies_http-referrer : 10.20.45.9:2758: Referer wasn't the maintenance page.

01220001: repeated 8 times