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|
{ config, lib, pkgs, options }:
with lib;
let
cfg = config.services.prometheus.exporters.snmp;
in
{
port = 9116;
extraOpts = {
configurationPath = mkOption {
type = types.nullOr types.path;
default = null;
description = lib.mdDoc ''
Path to a snmp exporter configuration file. Mutually exclusive with 'configuration' option.
'';
example = literalExpression "./snmp.yml";
};
configuration = mkOption {
type = types.nullOr types.attrs;
default = null;
description = lib.mdDoc ''
Snmp exporter configuration as nix attribute set. Mutually exclusive with 'configurationPath' option.
'';
example = {
"default" = {
"version" = 2;
"auth" = {
"community" = "public";
};
};
};
};
logFormat = mkOption {
type = types.enum ["logfmt" "json"];
default = "logfmt";
description = lib.mdDoc ''
Output format of log messages.
'';
};
logLevel = mkOption {
type = types.enum ["debug" "info" "warn" "error"];
default = "info";
description = lib.mdDoc ''
Only log messages with the given severity or above.
'';
};
};
serviceOpts = let
configFile = if cfg.configurationPath != null
then cfg.configurationPath
else "${pkgs.writeText "snmp-exporter-conf.yml" (builtins.toJSON cfg.configuration)}";
in {
serviceConfig = {
ExecStart = ''
${pkgs.prometheus-snmp-exporter}/bin/snmp_exporter \
--config.file=${escapeShellArg configFile} \
--log.format=${escapeShellArg cfg.logFormat} \
--log.level=${cfg.logLevel} \
--web.listen-address=${cfg.listenAddress}:${toString cfg.port} \
${concatStringsSep " \\\n " cfg.extraFlags}
'';
};
};
}
|