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|
{
config,
lib,
pkgs,
...
}:
let
cfg = config.services.gs1200-exporter;
in
{
meta.maintainers = with lib.maintainers; [ DerGrumpf ];
options.services.gs1200-exporter = {
enable = lib.mkEnableOption "gs1200-exporter";
address = lib.mkOption {
type = lib.types.str;
description = "IP address or hostname of the GS1200 switch.";
example = "192.168.1.3";
};
port = lib.mkOption {
type = lib.types.port;
default = 9934;
description = "Port on which to expose Prometheus metrics.";
};
passwordFile = lib.mkOption {
type = lib.types.nullOr lib.types.path;
default = null;
description = ''
Path to a file containing the password to log in to the GS1200 web interface.
This is the recommended option as it avoids storing the password in the Nix store.
Compatible with sops-nix and agenix.
'';
example = "/run/secrets/gs1200-password";
};
debug = lib.mkOption {
type = lib.types.bool;
default = false;
description = "Enable debug logging. Logs are accessible via journalctl -u gs1200-exporter.";
};
verbose = lib.mkOption {
type = lib.types.bool;
default = false;
description = "Enable verbose logging. Logs are accessible via journalctl -u gs1200-exporter.";
};
json = lib.mkOption {
type = lib.types.bool;
default = false;
description = "Output logs in JSON format. Logs are accessible via journalctl -u gs1200-exporter.";
};
};
config = lib.mkIf cfg.enable {
systemd.services.gs1200-exporter = {
description = "Prometheus exporter for Zyxel GS1200 switches";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
DynamicUser = true;
Restart = "always";
# Hardening
NoNewPrivileges = true;
PrivateTmp = true;
ProtectSystem = "strict";
ProtectHome = true;
CapabilityBoundingSet = "";
};
script =
let
args = lib.concatStringsSep " " (
[
"--address ${cfg.address}"
"--port ${toString cfg.port}"
]
++ lib.optional cfg.debug "--debug"
++ lib.optional cfg.verbose "--verbose"
++ lib.optional cfg.json "--json"
);
in
''
export GS1200_PASSWORD=$(cat ${cfg.passwordFile})
exec ${lib.getExe pkgs.gs1200-exporter} ${args}
'';
};
};
}
|
