nix-files/hosts/common/programs/eg25-control.nix

65 lines
2.6 KiB
Nix

{ config, lib, ... }:
let
cfg = config.sane.programs.eg25-control;
in
{
sane.programs.eg25-control = {
services.eg25-control-powered = {
description = "eg25-control-powered: power to the Qualcomm eg25 modem used by PinePhone";
startCommand = "eg25-control --power-on --verbose";
cleanupCommand = "eg25-control --power-off --verbose";
# depends = [ "ModemManager" ]
};
services.eg25-control-gps = {
# TODO: separate almanac upload from GPS enablement
# - don't want to re-upload the almanac everytime the GPS is toggled
# - want to upload almanac even when GPS *isn't* enabled, if we have internet connection.
description = "eg25-control-gps: background GPS tracking";
startCommand = "eg25-control --enable-gps --dump-debug-info --verbose";
cleanupCommand = "eg25-control --disable-gps --dump-debug-info --verbose";
depends = [ "eg25-control-powered" ];
};
};
# TODO: port to s6
systemd.services.eg25-control-freshen-agps = lib.mkIf cfg.enabled {
description = "keep assisted-GPS data fresh";
serviceConfig = {
# XXX: this can have a race condition with eg25-control-gps
# - eg25-control-gps initiates DL of new/<agps>
# - eg25-control-gps tests new/<agps>: it works
# - eg25-control-freshen-agps initiates DL of new/<agps>
# - eg25-control-gps: moves new/<agps> into cache/
# - but it moved the result (possibly incomplete) of eg25-control-freshen-agps, incorrectly
# in practice, i don't expect much issue from this.
ExecStart = "${cfg.package}/bin/eg25-control --ensure-agps-cache --verbose";
Restart = "no";
User = "eg25-control";
WorkingDirectory = "/var/lib/eg25-control";
StateDirectory = "eg25-control";
};
startAt = "hourly"; # this is a bit more than necessary, but idk systemd calendar syntax
after = [ "network-online.target" "nss-lookup.target" ];
requires = [ "network-online.target" ];
# wantedBy = [ "network-online.target" ]; # auto-start immediately after boot
};
users = lib.mkIf cfg.enabled {
groups.eg25-control = {};
users.eg25-control = {
group = "eg25-control";
isSystemUser = true;
home = "/var/lib/eg25-control";
extraGroups = [
"dialout" # required to read /dev/ttyUSB1
"networkmanager" # required to authenticate with mmcli
];
};
};
sane.persist.sys.byStore.plaintext = lib.mkIf cfg.enabled [
# to persist agps data, i think.
{ user = "eg25-control"; group = "eg25-control"; path = "/var/lib/eg25-control"; }
];
}