configuring multiple domains using virtual host with mod proxy in a single httpd instance

Question

I have an apache instance running three domains using name based virtual hosting and every domain has resources to reverse proxy them down to an application server. Application

Answer 1

Create Three different Name-based VirtualHost and disable context(alpha and beta) in www.ghi.com.

ServerName abc.com
Header add Set-Cookie "ROUTEID=.%{BALANCER_WORKER_ROUTE}e; path=/alpha" env=BALANCER_ROUTE_CHANGED


order Allow,Deny
Deny from all

BalancerMember http://x.x.x.x:8080 route=1 retry=0
BalancerMember http://x.x.x.x:8081 route=2 retry=0
ProxySet stickysession=ROUTEID

ProxyPass /alpha balancer://mycluster4/alpha
ProxyPassReverse /alpha balancer://mycluster4/alpha



ServerName def.com
Header add Set-Cookie "ROUTEID=.%{BALANCER_WORKER_ROUTE}e; path=/beta" env=BALANCER_ROUTE_CHANGED


order Allow,Deny
Deny from all

BalancerMember http://x.x.x.x:8080 route=1 retry=0
BalancerMember http://x.x.x.x:8081 route=2 retry=0
ProxySet stickysession=ROUTEID

ProxyPass /beta balancer://mycluster4/beta
ProxyPassReverse /beta balancer://mycluster4/beta



ServerName ghi.com
Header add Set-Cookie "ROUTEID=.%{BALANCER_WORKER_ROUTE}e; path=/" env=BALANCER_ROUTE_CHANGED


order Allow,Deny
Deny from all

BalancerMember http://x.x.x.x:8080 route=1 retry=0
BalancerMember http://x.x.x.x:8081 route=2 retry=0
ProxySet stickysession=ROUTEID

ProxyPass /alpha !
ProxyPass /beta !
ProxyPass / balancer://mycluster4/
ProxyPassReverse / balancer://mycluster4/