84 lines
2.3 KiB
Nix
84 lines
2.3 KiB
Nix
|
{ pkgs, config, lib, ... }:
|
||
|
|
|
||
|
|
let
|
||
|
|
cfg = config.services.snmpd;
|
||
|
|
configFile = if cfg.configText != "" then
|
||
|
|
pkgs.writeText "snmpd.cfg" ''
|
||
|
|
${cfg.configText}
|
||
|
|
'' else null;
|
||
|
|
in {
|
||
|
|
options.services.snmpd = {
|
||
|
|
enable = lib.mkEnableOption "snmpd";
|
||
|
|
|
||
|
|
package = lib.mkPackageOption pkgs "net-snmp" {};
|
||
|
|
|
||
|
|
listenAddress = lib.mkOption {
|
||
|
|
type = lib.types.str;
|
||
|
|
default = "0.0.0.0";
|
||
|
|
description = lib.mdDoc ''
|
||
|
|
The address to listen on for SNMP and AgentX messages.
|
||
|
|
'';
|
||
|
|
example = "127.0.0.1";
|
||
|
|
};
|
||
|
|
|
||
|
|
port = lib.mkOption {
|
||
|
|
type = lib.types.port;
|
||
|
|
default = 161;
|
||
|
|
description = lib.mdDoc ''
|
||
|
|
The port to listen on for SNMP and AgentX messages.
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
|
||
|
|
openFirewall = lib.mkOption {
|
||
|
|
type = lib.types.bool;
|
||
|
|
default = false;
|
||
|
|
description = lib.mdDoc ''
|
||
|
|
Open port in firewall for snmpd.
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
|
||
|
|
configText = lib.mkOption {
|
||
|
|
type = lib.types.lines;
|
||
|
|
default = "";
|
||
|
|
description = lib.mdDoc ''
|
||
|
|
The contents of the snmpd.conf. If the {option}`configFile` option
|
||
|
|
is set, this value will be ignored.
|
||
|
|
|
||
|
|
Note that the contents of this option will be added to the Nix
|
||
|
|
store as world-readable plain text, {option}`configFile` can be used in
|
||
|
|
addition to a secret management tool to protect sensitive data.
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
|
||
|
|
configFile = lib.mkOption {
|
||
|
|
type = lib.types.path;
|
||
|
|
default = configFile;
|
||
|
|
defaultText = lib.literalMD "The value of {option}`configText`.";
|
||
|
|
description = lib.mdDoc ''
|
||
|
|
Path to the snmpd.conf file. By default, if {option}`configText` is set,
|
||
|
|
a config file will be automatically generated.
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
config = lib.mkIf cfg.enable {
|
||
|
|
systemd.services."snmpd" = {
|
||
|
|
description = "Simple Network Management Protocol (SNMP) daemon.";
|
||
|
|
after = [ "network.target" ];
|
||
|
|
wantedBy = [ "multi-user.target" ];
|
||
|
|
serviceConfig = {
|
||
|
|
Type = "simple";
|
||
|
|
ExecStart = "${lib.getExe' cfg.package "snmpd"} -f -Lo -c ${cfg.configFile} ${cfg.listenAddress}:${toString cfg.port}";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
networking.firewall.allowedUDPPorts = lib.mkIf cfg.openFirewall [
|
||
|
|
cfg.port
|
||
|
|
];
|
||
|
|
};
|
||
|
|
|
||
|
|
meta.maintainers = [ lib.maintainers.eliandoran ];
|
||
|
|
|
||
|
|
}
|