Simple Reverse Proxy

Question

Hello - I have 3 different URLs pointing to the same Virtual Server on LTM VE 11.2.1 so a dig for each looks like:&nbsp;
example1.com - 10.0.0.1&nbsp;
exmple2.org - 10.0.0.1&nbsp;
example3.net- 10.0.0.1&nbsp;
 &nbsp;
I want:&nbsp;
example1.com to be proxied to pool.192.168.0.1&nbsp;
exmple2.org to be proxied to pool.172.16.10.1&nbsp;
example3.net to be proxied to pool.10.200.200.1&nbsp;
 &nbsp;
I have 3 URLs to the same Virtual Server now but will soon be adding 50 more and each URL will be proxied to its own pool so I am looking for the simplist way to add new URLs over the next few weeks. Thoughts?&nbsp;

what_lies_bene1 · Answer

You can can use a Data Group for this with the value for each domain being the Pool name required, it'll be very easy to update too. 
 
when HTTP_REQUEST {
 if { [set newpool [class match -value [HTTP::host] equals host-data-group ]] ne ""}
 { pool $newpool }
}

rob_78395 · Answer

Thanks for the feedback! Im having trouble making this work. What would my Data Group look like? &nbsp;

what_lies_bene1 · Answer

In tmsh it would look something like this (which probably makes it look more complicated that it is; 
 
ltm data-group internal host-data-group {
    records {
        example1.com {
         pool-1
        }
        exmple2.org {
         pool-2
        }
    }
    type string
}
 
 Menu path: Local Traffic &gt; iRules &gt; Data Group List &gt; Create &gt; Type: String 
 Add records with the domain name as the String and the Pool name as the Value.

hooleylist · Answer

Nice work Steve.  You might want to either add a pool selection in an else clause or use a OneConnect on the virtual server to ensure reach request is sent to the correct pool: 
&nbsp;  
&nbsp; https://devcentral.f5.com/wiki/AdvDesignConfig.ONECONNECT.ashx 
&nbsp;  
&nbsp; Aaron

what_lies_bene1 · Answer

Thanks, good point, I rather overlooked that! =]

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Simple Reverse Proxy

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