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{ config, lib, pkgs, ... }:
# Replacement for powerraw.shack pollin box
# Requires usb-serial device on host
# Requires mqtt available at mqtt.shack
# Requires hostname powerraw.shack
let
pkg = pkgs.python3.pkgs.callPackage (
pkgs.fetchgit {
url = "https://git.shackspace.de/rz/powermeter.git";
rev = "96609f0d632e0732afa768ddd7b3f8841ca37c1b";
sha256 = "sha256:0wfpm3ik5r081qv2crmpjwylgg2v8ximq347qh0fzq1rwv0dqbnn";
}) {};
in {
# receive response from light.shack / standby.shack
networking.firewall.allowedUDPPorts = [ 11111 ];
users.users.powermeter = {
extraGroups = [ "dialout" ];
};
systemd.services.powermeter-serial2mqtt = {
description = "powerraw Serial -> mqtt";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
User = "powermeter";
ExecStart = "${pkg}/bin/powermeter-serial2mqtt";
Restart = "always";
PrivateTmp = true;
};
};
systemd.services.powermeter-mqtt2socket = {
description = "powerraw mqtt -> raw socket 11111";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
User = "powermeter";
ExecStart = "${pkg}/bin/powermeter-mqtt2socket";
Restart = "always";
PrivateTmp = true;
};
};
}
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