Ben Stringer wrote:
On Fri, 2008-06-13 at 10:54 +0200, Rainer Jung wrote:
Environment variable in httpd can be set by mod_setenvif and
mod_rewrite, which are both able to check various request properties.
For instance mod_rewrite can check the Cookie header, so you could
extract the name of the chosen backend via a regexp from the value of
your own SSO cookie. But it's not yet implemented. Check
mod_proxy_balancer. In general it has less features than mod_jk, but in
your case it seems there is an advantage in mod_proxy_balancer.
Or just use mod_rewrite to check the request properties, and based on
these, rewrite the URL in such a way that it maps to a different JkMount
attribute, sending the request to a specific worker.
You are right: if he sets e.g. an SSO cookie with the name of the
correct node in it and uses mod_rewrite to detect, which is the right
node (named "NODEX"), he can redirect to
ORIGINALURL;jsessionid=.NODEX
The LB will then send the new request to NODEX, which generates a new
session with a correct session id and jvmRoute suffix.
Cheers, Ben
Rainer
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