Luke Granger-Brown
57725ef3ec
git-subtree-dir: third_party/nixpkgs git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
110 lines
3.1 KiB
Nix
110 lines
3.1 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
let
|
|
|
|
cfg = config.services.autossh;
|
|
|
|
in
|
|
|
|
{
|
|
|
|
###### interface
|
|
|
|
options = {
|
|
|
|
services.autossh = {
|
|
|
|
sessions = lib.mkOption {
|
|
type = lib.types.listOf (lib.types.submodule {
|
|
options = {
|
|
name = lib.mkOption {
|
|
type = lib.types.str;
|
|
example = "socks-peer";
|
|
description = "Name of the local AutoSSH session";
|
|
};
|
|
user = lib.mkOption {
|
|
type = lib.types.str;
|
|
example = "bill";
|
|
description = "Name of the user the AutoSSH session should run as";
|
|
};
|
|
monitoringPort = lib.mkOption {
|
|
type = lib.types.int;
|
|
default = 0;
|
|
example = 20000;
|
|
description = ''
|
|
Port to be used by AutoSSH for peer monitoring. Note, that
|
|
AutoSSH also uses mport+1. Value of 0 disables the keep-alive
|
|
style monitoring
|
|
'';
|
|
};
|
|
extraArguments = lib.mkOption {
|
|
type = lib.types.separatedString " ";
|
|
example = "-N -D4343 bill@socks.example.net";
|
|
description = ''
|
|
Arguments to be passed to AutoSSH and retransmitted to SSH
|
|
process. Some meaningful options include -N (don't run remote
|
|
command), -D (open SOCKS proxy on local port), -R (forward
|
|
remote port), -L (forward local port), -v (Enable debug). Check
|
|
ssh manual for the complete list.
|
|
'';
|
|
};
|
|
};
|
|
});
|
|
|
|
default = [];
|
|
description = ''
|
|
List of AutoSSH sessions to start as systemd services. Each service is
|
|
named 'autossh-{session.name}'.
|
|
'';
|
|
|
|
example = [
|
|
{
|
|
name="socks-peer";
|
|
user="bill";
|
|
monitoringPort = 20000;
|
|
extraArguments="-N -D4343 billremote@socks.host.net";
|
|
}
|
|
];
|
|
|
|
};
|
|
};
|
|
|
|
};
|
|
|
|
###### implementation
|
|
|
|
config = lib.mkIf (cfg.sessions != []) {
|
|
|
|
systemd.services =
|
|
|
|
lib.foldr ( s : acc : acc //
|
|
{
|
|
"autossh-${s.name}" =
|
|
let
|
|
mport = if s ? monitoringPort then s.monitoringPort else 0;
|
|
in
|
|
{
|
|
description = "AutoSSH session (" + s.name + ")";
|
|
|
|
after = [ "network.target" ];
|
|
wantedBy = [ "multi-user.target" ];
|
|
|
|
# To be able to start the service with no network connection
|
|
environment.AUTOSSH_GATETIME="0";
|
|
|
|
# How often AutoSSH checks the network, in seconds
|
|
environment.AUTOSSH_POLL="30";
|
|
|
|
serviceConfig = {
|
|
User = "${s.user}";
|
|
# AutoSSH may exit with 0 code if the SSH session was
|
|
# gracefully terminated by either local or remote side.
|
|
Restart = "on-success";
|
|
ExecStart = "${pkgs.autossh}/bin/autossh -M ${toString mport} ${s.extraArguments}";
|
|
};
|
|
};
|
|
}) {} cfg.sessions;
|
|
|
|
environment.systemPackages = [ pkgs.autossh ];
|
|
|
|
};
|
|
}
|