I don't think that something other than manual address-hostname pairs
maintainance can help you

map $upstream_addr $upstream_hostname {
10.0.0.1:80 hostname1;
10.0.0.2:80 hostname2;
}
...
proxy_set_header Host $upstream_hostname;

15.03.15 17:19, sapientcloud пишет:
> Already tried $upstream_addr which unfortunately gives IP:port instead of
> hostname:port. My upstream needs hostname listed in conf instead of IP
>
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,257252,257258#msg-257258
>
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>

--
br,
Dmitry Pryadko

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