e91d882a94
style of declaring Upstart jobs. While at it, converted them to the current NixOS module style and improved some option descriptions. Hopefully I didn't break too much :-) svn path=/nixos/trunk/; revision=17761
129 lines
3.2 KiB
Nix
129 lines
3.2 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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let
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cfg = config.services.openvpn;
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inherit (pkgs) openvpn;
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PATH = "${pkgs.iptables}/sbin:${pkgs.coreutils}/bin:${pkgs.iproute}/sbin:${pkgs.nettools}/sbin";
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makeOpenVPNJob = cfg :
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let
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upScript = ''
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#!/bin/sh
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exec &> /var/log/openvpn-${cfg.id}-up
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PATH=${PATH}
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${cfg.up}
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'';
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downScript = ''
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#!/bin/sh
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exec &> /var/log/openvpn-${cfg.id}-down
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PATH=${PATH}
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${cfg.down}
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'';
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configFile = pkgs.writeText "openvpn-config-${cfg.id}"
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''
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${if cfg ? up || cfg ? down then "script-security 2" else ""}
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${cfg.config}
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${if cfg ? up then "up ${pkgs.writeScript "openvpn-${cfg.id}-up" upScript}" else "" }
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${if cfg ? down then "down ${pkgs.writeScript "openvpn-${cfg.id}-down" downScript}" else "" }
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'';
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in {
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description = "OpenVPN-${cfg.id}";
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startOn = "network-interfaces/started";
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stopOn = "network-interfaces/stop";
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environment = { PATH = "${pkgs.coreutils}/bin"; };
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script =
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''
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exec &> /var/log/openvpn-${cfg.id}
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${config.system.sbin.modprobe} tun || true
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${openvpn}/sbin/openvpn --config ${configFile}
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'';
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};
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in
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{
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###### interface
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options = {
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services.openvpn = {
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enable = mkOption {
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default = false;
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description = "Whether to enable OpenVPN.";
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};
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servers = mkOption {
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example = [
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{
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id = "server-simplest";
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config = ''
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# Most simple configuration: http://openvpn.net/index.php/documentation/miscellaneous/static-key-mini-howto.html.
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# server :
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dev tun
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ifconfig 10.8.0.1 10.8.0.2
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secret static.key
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'';
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up = "ip route add ..!";
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down = "ip route add ..!";
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}
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{
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id = "client-simplest";
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config = ''
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#client:
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#remote myremote.mydomain
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#dev tun
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#ifconfig 10.8.0.2 10.8.0.1
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#secret static.key
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'';
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}
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{
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id = "server-scalable";
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config = ''
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multiple clienst
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see example file found in http://openvpn.net/index.php/documentation/howto.html
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'';
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}
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{
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id = "client-scalabe";
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config = '' dito '';
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}
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];
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default = [];
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# !!! clean up this description please
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description = ''
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openvpn instances to be run. Each will be put into an extra job named openvpn-{id}
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The up and down properties will be added config line up=/nix/store/xxx-up-script
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automatically for you. If you define at least one of up/down
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"script-security 2" will be prepended to your config.
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Don't forget to check that the all package sizes can be sent. if scp hangs or such you should set
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--fragment XXX --mssfix YYY.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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jobAttrs = listToAttrs (map (c: nameValuePair "openvpn-${cfg.id}" (makeOpenVPNJob c)) cfg.servers);
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};
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}
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