134 lines
2.8 KiB
Nix
134 lines
2.8 KiB
Nix
{ config, pkgs, ... }:
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let
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inherit (pkgs.lib) mkOption mkIf singleton;
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inherit (pkgs) ddclient;
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stateDir = "/var/spool/ddclient";
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ddclientUser = "ddclient";
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modprobe = config.system.sbin.modprobe;
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ddclientFlags = "-foreground -file ${ddclientCfg}";
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ddclientCfg = pkgs.writeText "ddclient.conf" ''
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daemon=600
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cache=${stateDir}/ddclient.cache
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pid=${stateDir}/ddclient.pid
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use=${config.services.ddclient.web}
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login=${config.services.ddclient.username}
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password=${config.services.ddclient.password}
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protocol=${config.services.ddclient.protocol}
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server=${config.services.ddclient.server}
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wildcard=YES
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${config.services.ddclient.domain}
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${config.services.ddclient.extraConfig}
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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.ddclient = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to synchronise your machine's IP address with a dynamic DNS provider (e.g. dyndns.org).
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'';
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};
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domain = mkOption {
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default = "";
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description = ''
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Domain name to synchronize.
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'';
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};
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username = mkOption {
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default = "";
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description = ''
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Username.
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'';
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};
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password = mkOption {
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default = "" ;
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description = ''
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Password.
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'';
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};
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protocol = mkOption {
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default = "dyndns2" ;
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description = ''
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Protocol to use with dynamic DNS provider. (see also, http://sourceforge.net/apps/trac/ddclient/wiki/Protocols)
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'';
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};
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server = mkOption {
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default = "members.dyndns.org" ;
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description = ''
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Server
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'';
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};
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extraConfig = mkOption {
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default = "" ;
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description = ''
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Extra configuration. Contents will be added verbatim to the configuration file.
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'';
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};
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web = mkOption {
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default = "web, web=checkip.dyndns.com/, web-skip='IP Address'" ;
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description = ''
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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 config.services.ddclient.enable {
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environment.systemPackages = [ ddclient ];
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users.extraUsers = singleton
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{ name = ddclientUser;
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uid = config.ids.uids.ddclient;
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description = "ddclient daemon user";
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home = stateDir;
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};
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jobs.ddclient =
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{ name = "ddclient";
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startOn = "startup";
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stopOn = "shutdown";
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preStart =
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''
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mkdir -m 0755 -p ${stateDir}
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chown ${ddclientUser} ${stateDir}
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# Needed to run ddclient as an unprivileged user.
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${modprobe}/sbin/modprobe capability || true
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'';
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exec = "${ddclient}/bin/ddclient ${ddclientFlags}";
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};
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};
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}
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