478e7184f8
And replace them with a more appropriate type Also fix up some minor module problems along the way
113 lines
3.1 KiB
Nix
113 lines
3.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.autossh;
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in
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{
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###### interface
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options = {
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services.autossh = {
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sessions = mkOption {
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type = types.listOf (types.submodule {
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options = {
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name = mkOption {
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type = types.str;
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example = "socks-peer";
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description = "Name of the local AutoSSH session";
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};
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user = mkOption {
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type = types.str;
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example = "bill";
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description = "Name of the user the AutoSSH session should run as";
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};
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monitoringPort = mkOption {
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type = types.int;
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default = 0;
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example = 20000;
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description = ''
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Port to be used by AutoSSH for peer monitoring. Note, that
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AutoSSH also uses mport+1. Value of 0 disables the keep-alive
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style monitoring
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'';
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};
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extraArguments = mkOption {
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type = types.separatedString " ";
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example = "-N -D4343 bill@socks.example.net";
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description = ''
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Arguments to be passed to AutoSSH and retransmitted to SSH
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process. Some meaningful options include -N (don't run remote
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command), -D (open SOCKS proxy on local port), -R (forward
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remote port), -L (forward local port), -v (Enable debug). Check
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ssh manual for the complete list.
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'';
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};
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};
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});
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default = [];
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description = ''
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List of AutoSSH sessions to start as systemd services. Each service is
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named 'autossh-{session.name}'.
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'';
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example = [
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{
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name="socks-peer";
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user="bill";
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monitoringPort = 20000;
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extraArguments="-N -D4343 billremote@socks.host.net";
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}
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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.sessions != []) {
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systemd.services =
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lib.fold ( s : acc : acc //
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{
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"autossh-${s.name}" =
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let
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mport = if s ? monitoringPort then s.monitoringPort else 0;
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in
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{
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description = "AutoSSH session (" + s.name + ")";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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# To be able to start the service with no network connection
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environment.AUTOSSH_GATETIME="0";
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# How often AutoSSH checks the network, in seconds
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environment.AUTOSSH_POLL="30";
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serviceConfig = {
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User = "${s.user}";
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# AutoSSH may exit with 0 code if the SSH session was
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# gracefully terminated by either local or remote side.
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Restart = "on-success";
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ExecStart = "${pkgs.autossh}/bin/autossh -M ${toString mport} ${s.extraArguments}";
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};
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};
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}) {} cfg.sessions;
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environment.systemPackages = [ pkgs.autossh ];
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};
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}
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