gkaragiannidis at dolnet
Jul 24, 2012, 9:02 AM
Post #1 of 4
(210 views)
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varnish multiple backends question about POST
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Hi!
I have setup one varnish server for multiple sites running on multiple
backends.
For example:
Domains: domainA.com, domainB.com running on backend: backendC
Domains: domain0.com, domain1.com running on backend: backend-10 Everything
else goes to default backend DC
I also have the following setup
In sub vcl_recv {
if (req.http.host ~ " domainA.com$") {
unset req.http.cookie;
set req.backend = backendC;
return (lookup);
}
else if (req.http.host ~ "domainB.com$") {
set req.backend = backendC;
if ( req.request == "POST" ) {
return(pass);
}
return (lookup);
}
else if (req.http.host ~ "domain0.com$") {
set req.backend = backend-10;
if ( req.request == "POST" ) {
return(pass);
}
return (lookup);
}
else {
# Use the default backend for all other requests set req.backend = default;
return (lookup);
}
return (lookup);
}
My problem is that I have POST requests for both domainB.com and domain0.com
and each time I have to use set req.backend = if ( req.request == "POST" ) {
return(pass); in order to pass the request
to the correct backend Is there a simpler way of handling post requests to
different domains?
----------------------------------------------------------------------------
---------------------------------
And a second question if I use
if (req.request != "GET" && req.request != "HEAD") {
// Not cacheable by default if NOT GET,HEAD
return(pass);
}
Then POST requests are passed to the default backend which, of course gives
me an 404 error!
Thanks in advance
Yiannis
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