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49 lines
949 B
Nix
49 lines
949 B
Nix
{pkgs, config}:
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let
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cfg = config.services.dhcpd;
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stateDir = "/var/lib/dhcp"; # Don't use /var/state/dhcp; not FHS-compliant.
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machines = pkgs.lib.concatStrings (map (machine: "
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host ${machine.hostName} {
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hardware ethernet ${machine.ethernetAddress};
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fixed-address ${machine.ipAddress};
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}
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") cfg.machines);
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configFile = if cfg.configFile != null then cfg.configFile else pkgs.writeText "dhcpd.conf" "
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default-lease-time 600;
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max-lease-time 7200;
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authoritative;
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ddns-update-style ad-hoc;
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${cfg.extraConfig}
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${machines}
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";
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in
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{
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name = "dhcpd";
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job = "
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description \"DHCP server\"
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start on network-interfaces/started
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stop on network-interfaces/stop
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script
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mkdir -m 755 -p ${stateDir}
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touch ${stateDir}/dhcpd.leases
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exec ${pkgs.dhcp}/sbin/dhcpd -f -cf ${configFile} \\
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-lf ${stateDir}/dhcpd.leases \\
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${toString cfg.interfaces}
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end script
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";
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}
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