I am trying to configure pound to help me first determine a what backend
to send the request to, and then to maintain affinity for that backend.
Hello everybody,
I've got 4 domino mail server clusters as back ends (8 total servers) for
inotes, and each one of those has an authentication page that works as
follows:
1. When the user logs in, the mail server performs a lookup to find out
what that user's home mail server is. It then sets a header "X-Notes"
accordingly, which contains a value later evaluated by pound. Note that a
cookie called "LtpaToken" is also set, which I'm attempting to use for
session tracking.
2. At the next request, pound directs that user to the correct mail
server, using a HeadRequire statement.
My problem lies in using the HeadRequire to do this. I understand that
the header does not persist, so the next HeadRequire will not match.
Modifying the application to keep setting that header is a possibility,
but one that I would like to avoid.
Is there a way to configure pound to perform the HeadRequire once, and
then use session tracking to keep the user at a backend?
My config is pasted below.
Thanks in advance,
Justin
##################################################
User "wwwrun"
Group "www"
LogFacility local1
LogLevel 1
Control "/tmp/sinotes.ctl"
# Timeout for Clients - Default is 10, but if you start seeing client
timeout errors, increase this
Client 30
# Timeout for BackEnds - Default is 15, but increase or decrease as needed
TimeOut 90
# Listener for HTTP requests
ListenHTTP
Address 10.1.100.218
Port 81
# Cluster A
Service
HeadRequire "X-Notes: .*A.*"
Session
Type Cookie
ID "LtpaToken"
TTL 300
End
# pwapdom01
BackEnd
Address 10.1.254.110
Port 80
Priority 9
End
# pwapdom02
BackEnd
Address 10.1.254.126
Port 80
Priority 1
End
End
# Cluster B
Service
HeadRequire "X-Notes: .*B.*"
Session
Type Cookie
ID "LtpaToken"
TTL 300
End
# pwapdom02
BackEnd
Address 10.1.254.126
Port 80
Priority 1
End
# pwapdom08
BackEnd
Address 10.1.254.62
Port 80
Priority 9
End
End
# Cluster C
Service
HeadRequire "X-Notes: .*C.*"
Session
Type Cookie
ID "LtpaToken"
TTL 300
End
# pwapdom10
BackEnd
Address 10.1.254.116
Port 80
Priority 9
End
# pwapdom11
BackEnd
Address 10.1.254.120
Port 80
Priority 1
End
End
# Cluster D
Service
HeadRequire "X-Notes: .*D.*"
Session
Type Cookie
ID "LtpaToken"
TTL 300
End
# pwtcapdom01
BackEnd
Address 10.32.0.51
Port 80
End
# pwapdom01 (Only if pwtcapdom01 is dead)
Emergency
Address 10.1.254.110
Port 80
End
End
# Catch-All
Service
# pwapdom01
BackEnd
Address 10.1.254.110
Port 80
End
# pwapdom02
BackEnd
Address 10.1.254.126
Port 80
End
# pwapdom08
BackEnd
Address 10.1.254.62
Port 80
End
# pwapdom10
BackEnd
Address 10.1.254.116
Port 80
End
# pwapdom11
BackEnd
Address 10.1.254.120
Port 80
End
End
End
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