nixpkgs/modules/config/networking.nix
Lluís Batlle i Rossell de5eedb612 Adding the hostname.domain and localhost.domain to hosts, if possible.
Postfix likes this.


svn path=/nixos/trunk/; revision=30362
2011-11-09 21:02:01 +00:00

61 lines
1.4 KiB
Nix

# /etc files related to networking, such as /etc/services.
{config, pkgs, ...}:
with pkgs.lib;
let
cfg = config.networking;
options = {
networking.extraHosts = pkgs.lib.mkOption {
default = "";
example = "192.168.0.1 lanlocalhost";
description = ''
Additional entries to be appended to <filename>/etc/hosts</filename>.
'';
};
};
localhostWithDomain = optionalString (cfg.domain != "")
"localhost.${cfg.domain}";
hostnameWithDomain = optionalString
(cfg.domain != "" && cfg.hostName != "")
"${cfg.hostName}.${cfg.domain}";
in
{
require = [options];
environment.etc =
[ { # /etc/services: TCP/UDP port assignments.
source = pkgs.iana_etc + "/etc/services";
target = "services";
}
{ # /etc/protocols: IP protocol numbers.
source = pkgs.iana_etc + "/etc/protocols";
target = "protocols";
}
{ # /etc/rpc: RPC program numbers.
source = pkgs.glibc + "/etc/rpc";
target = "rpc";
}
{ # /etc/hosts: Hostname-to-IP mappings.
source = pkgs.writeText "hosts"
''
${cfg.extraHosts}
${optionalString (cfg.hostName != "")
"127.0.0.1 ${cfg.hostName} ${hostnameWithDomain}"}
127.0.0.1 localhost ${localhostWithDomain}
'';
target = "hosts";
}
];
}