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JPL_55483's avatar
JPL_55483
Icon for Nimbostratus rankNimbostratus
Nov 07, 2011

Cookie persistence 4.x to 10.x config conversion

I have a 4.x config with the following:

 

 

 

- pool A with cookie persistence

 

- pool A inserts cookie XPTO_A

 

 

 

pool poolA {

 

lb_method observed_member

 

persist cookie

 

cookie_mode insert

 

cookie_name XPTO_A

 

cookie_expiration 0d 00:04:00

 

member 1.1.1.10:80

 

}

 

 

 

 

 

 

 

- pool B with no persistence configured

 

 

 

pool poolB {

 

member 1.1.1.20:80

 

}

 

 

 

 

 

 

 

 

 

 

- rule calling pool A or poolB, depending on some "ifs":

 

 

 

if (http_host == "xptoA.com") {

 

use pool poolA

 

}

 

else if (http_host == "xptoB.com") {

 

use pool poolB

 

}

 

 

 

 

 

 

 

So, we have here a rule that depending on the "ifs", it does or does not do persistence via cookies.

 

 

 

 

 

Can you please help me and check to see if my below procedure is correct, in order to convert that config from 4.x to 10.x?

 

 

 

What I think it is the best conversion from 4.x config to 10.x:

 

 

 

1. configure the default persistence profile for the virtual server in question as cookie

 

 

 

2. configure the iRule to perform the persistence or not, based on the "ifs":

 

 

 

 

 

when HTTP_REQUEST {

 

set http_host_value [string tolower [HTTP::host]]

 

if {$http_host_value eq "xptoA.com"}

 

{

 

persist cookie insert "XPTO_A" "0d 00:04:00"

 

pool poolA

 

}

 

else if {$http_host_value eq "xptoB.com"}

 

{

 

persist none

 

pool poolB

 

}

 

}

 

 

 

 

 

 

 

Is it enough? Do you think it will work? It is the best way to do the conversion?

 

 

 

 

 

Thanks in advance.

 

 

 

JPL

 

config
design

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  • nitass's avatar
    nitass
    Icon for Employee rankEmployee
    Nov 07, 2011
    [root@ve1023:Active] config  b virtual bar list
virtual bar {
   snat automap
   destination 172.28.65.152:http
   ip protocol tcp
   rules myrule
   persist cookie
   profiles {
      http {}
      tcp {}
   }
}
[root@ve1023:Active] config  b rule myrule list
rule myrule {
   when HTTP_REQUEST {
        switch [string tolower [HTTP::host]] {
                "xptoa.com" {
                        persist cookie insert "XPTO_A" "0d 00:04:00"
                        pool poolA
                }
                "xptob.com" {
                        persist none
                        pool poolB
                }
        }
}
}
[root@ve1023:Active] config  b pool poolA list
pool poolA {
   members 200.200.200.101:http {}
}
[root@ve1023:Active] config  b pool poolB list
pool poolB {
   members 74.125.235.48:http {}
}

[root@ve1023:Active] config  curl -I http://xptoA.com/
HTTP/1.1 200 OK
Date: Mon, 07 Nov 2011 18:44:10 GMT
Server: Apache/2.2.3 (CentOS)
Last-Modified: Mon, 07 Nov 2011 11:52:31 GMT
ETag: "4183e3-2a-b08f5dc0"
Accept-Ranges: bytes
Content-Length: 42
Connection: close
Content-Type: text/html; charset=UTF-8
Set-Cookie: XPTO_A=1707657416.20480.0000; expires=Mon, 07-Nov-2011 18:43:27 GMT; path=/

[root@ve1023:Active] config  curl -I http://xptoB.com/
HTTP/1.1 302 Found
Location: http://www.google.com/
Cache-Control: private
Content-Type: text/html; charset=UTF-8
X-Content-Type-Options: nosniff
Date: Mon, 07 Nov 2011 18:44:15 GMT
Server: sffe
Content-Length: 219
X-XSS-Protection: 1; mode=block
  • JPL_55483's avatar
    JPL_55483
    Icon for Nimbostratus rankNimbostratus
    Nov 08, 2011
    Thanks nitass, you provided me the confirmation I needed.

     

     

  • JPL_55483's avatar
    JPL_55483
    Icon for Nimbostratus rankNimbostratus
    Nov 08, 2011
    Another way to do it could be creating a new persistence profile based on cookie persist and associate that new profile to the irule via persist command?

     

     

    Example:

     

     

     

    profile persist my_cookie_persist_profile {

     

    defaults from cookie

     

    mode cookie

     

    cookie mode insert

     

    cookie name "XPTO_A"

     

    cookie expiration 0:04:00

     

    override connection limit disable

     

    }

     

     

     

     

     

     

    and then in the irule:

     

     

     

    when HTTP_REQUEST {

     

    set http_host_value [string tolower [HTTP::host]]

     

    if {$http_host_value eq "xptoA.com"}

     

    {

     

    persist my_cookie_persist_profile

     

    pool poolA

     

    }

     

     

    }