Peter Hinse schrieb:
> Hi all,
>
> I have a varnish config looking roughly like this:
>
> backend be1 {
> .host = "10.10.10.10";
> .port = "80";
> }
>
> sub vcl_recv {
> elseif (req.http.host ~ "^x.example.com") {
> set req.http.Host = "host.example.com";
> set req.backend = be1;
> }
> elseif (req.http.host ~ "^xi.example.com") {
> set req.http.Host = "host.example.com";
> set req.backend = be1;
> }
> }
>
> The backend server delivers dynamically rendered images I need to cache.
> If the original requests comes in for Host x.example.com, the TTL can be
> 12h, if the request is for xi.example.com, the TTL is 15m.
>
> Since I cannot use "req.http.host" in vcl_fetch and the req.url look the
> same, how can I distinguish the two cases and set the obj.ttl differently?
What seems to work (at least the VCL compiles without errors):
backend be1 {
.host = "10.10.10.10";
.port = "80";
}
sub vcl_recv {
elseif (req.http.host ~ "^x.example.com") {
set req.http.Host = "host.example.com";
set req.http.myhost = "x.example.com";
set req.backend = be1;
}
elseif (req.http.host ~ "^xi.example.com") {
set req.http.Host = "host.example.com";
set req.http.myhost = "xi.example.com";
set req.backend = be1;
}
}
Now I can use the following part in vcl_fetch:
if (req.request == "GET" && req.http.myhost == "x.example.com") {
set obj.ttl = 12h;
deliver;
}
elseif (req.request == "GET" && req.http.myhost == "xi.example.com") {
set obj.ttl = 15m;
deliver;
}
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