Yes, I had suggested just adding a location drop down so that users could select their own location. Too inconvenient for the end user they say.
They want "c_loc=xxx" added to the URL at the load balancer. Okay, this sounds like a job for mod_rewrite. This should be easy enough.
mod_proxy works great, mod_rewrite works great, I put the to together and they seem to not like each other.
Below is one of the many configurations I've tried. The best I can get is the URI components are mixed up incorrectly. Any ideas?
My build of apache:
tar -xvzf httpd-2.2.8.tar.gz
cd httpd-2.2.8
CFLAGS="-O2" ./configure --enable-http --enable-info=shared \
--enable-ssl=shared --enable-rewrite=shared --enable-speling=shared \
--enable-cgi=shared --enable-deflate=shared --enable-disk-cache=shared \
--enable-cache=shared --enable-proxy=shared --enable-proxy-http=shared \
--enable-proxy-balancer=shared --prefix=/vol/devl/loadbalancer
make
make install
<VirtualHost catalog-devl.tld.org:81>
ServerName catalog-devl.tld.org
LogLevel debug
<Proxy *>
AddDefaultCharset off
Order Allow,Deny
Allow from all
</Proxy>
<Location /balancer-manager>
SetHandler balancer-manager
Order Allow,Deny
Allow from 192.168.200.0/24 192.168.222.0/24 192.168.223.0/24
192.168.220.13
</Location>
<Location />
Order Allow,Deny
Allow from 192.168.0.0/16 172.16.0.0/12
</Location>
# Add the client's location number to the URL
RewriteEngine On
# Large list of locations goes here. List removed to shorten for email
RewriteCond %{REMOTE_HOST} ^192\.168\.1\.[5-8]
RewriteRule /.*\.aspx?\?
http://catalog-devl.tld.org%{REQUEST_URI}&c_loc=730 [L]
RewriteCond %{REMOTE_HOST} ^192\.168\.220\.
# Here are things I have tried
RewriteRule "^/(.*)$" proxy:balancer://aquabrowser$1&c_loc=220"
[QSA,L] # I get 404 Error: "GET //cd/README&c_loc=220%22?test=1
HTTP/1.1" in the logs of the backend server.
RewriteRule "^(.*\?.*)$"
"http://catalog1.tld.org%{REQUEST_URI}&c_loc=220"; [L,P] # I get 404
Error: "GET /cd/README&c_loc=220?test=1 HTTP/1.1" in the logs of the
backed server.
# This is a long list other things I have tried. Nothing seems to work. ProxyRequests Off ProxyVia On ProxyPreserveHost On ProxyPass /balancer-manager ! # Catalog Development ProxyPass / balancer://aquabrowser/ <Proxy balancer://aquabrowser>BalancerMember http://catalogdev.tld.org:80 min=1 smax=20 loadfactor=5 #BalancerMember http://catalog1.tld.org:80 min=1 smax=20 loadfactor=5 route=CAT1 #BalancerMember http://catalog2.tld.org:80 min=1 smax=20 loadfactor=5 route=CAT2
ProxySet lbmethod=byrequests
ProxySet stickysession=ABbalancer
ProxySet nofailover=Off
ProxySet maxattempts=3
ProxySet timeout=5
Order Allow,Deny
Allow from 192.168.0.0/16 172.16.0.0/12
</Proxy>
ProxyPassReverse / http://catalogdev.tld.org
#ProxyPassReverse / http://catalog1.tld.org
#ProxyPassReverse / http://catalog2.tld.org
</VirtualHost>
Travis Sidelinger
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