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|
{ lib
, pkgs
, config
, ...
}:
with lib;
let
cfg = config.services.evcc;
format = pkgs.formats.yaml {};
configFile = format.generate "evcc.yml" cfg.settings;
package = pkgs.evcc;
in
{
meta.maintainers = with lib.maintainers; [ hexa ];
options.services.evcc = with types; {
enable = mkEnableOption (lib.mdDoc "EVCC, the extensible EV Charge Controller with PV integration");
extraArgs = mkOption {
type = listOf str;
default = [];
description = lib.mdDoc ''
Extra arguments to pass to the evcc executable.
'';
};
settings = mkOption {
type = format.type;
description = lib.mdDoc ''
evcc configuration as a Nix attribute set.
Check for possible options in the sample [evcc.dist.yaml](https://github.com/andig/evcc/blob/${package.version}/evcc.dist.yaml].
'';
};
};
config = mkIf cfg.enable {
systemd.services.evcc = {
wants = [ "network-online.target" ];
after = [
"network-online.target"
"mosquitto.target"
];
wantedBy = [
"multi-user.target"
];
environment.HOME = "/var/lib/evcc";
path = with pkgs; [
getent
];
serviceConfig = {
ExecStart = "${package}/bin/evcc --config ${configFile} ${escapeShellArgs cfg.extraArgs}";
CapabilityBoundingSet = [ "" ];
DeviceAllow = [
"char-ttyUSB"
];
DevicePolicy = "closed";
DynamicUser = true;
LockPersonality = true;
MemoryDenyWriteExecute = true;
RestrictAddressFamilies = [
"AF_INET"
"AF_INET6"
"AF_UNIX"
];
RestrictNamespaces = true;
RestrictRealtime = true;
PrivateTmp = true;
PrivateUsers = true;
ProcSubset = "pid";
ProtectClock = true;
ProtectControlGroups= true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
StateDirectory = "evcc";
SystemCallArchitectures = "native";
SystemCallFilter = [
"@system-service"
"~@privileged"
];
UMask = "0077";
User = "evcc";
};
};
};
meta.buildDocsInSandbox = false;
}
|