nixpkgs/nixos/modules/services/monitoring/prometheus/exporters/mongodb.nix

77 lines
2.3 KiB
Nix

{ config, lib, pkgs, options, ... }:
let
cfg = config.services.prometheus.exporters.mongodb;
inherit (lib)
mkOption
types
optionalString
getExe
length
concatStringsSep
concatMapStringsSep
escapeShellArgs
;
in
{
port = 9216;
extraOpts = {
uri = mkOption {
type = types.str;
default = "mongodb://localhost:27017/test";
example = "mongodb://localhost:27017/test";
description = "MongoDB URI to connect to.";
};
collStats = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "db1.coll1" "db2" ];
description = ''
List of comma separared databases.collections to get $collStats
'';
};
indexStats = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "db1.coll1" "db2" ];
description = ''
List of comma separared databases.collections to get $indexStats
'';
};
collector = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "diagnosticdata" "replicasetstatus" "dbstats" "topmetrics" "currentopmetrics" "indexstats" "dbstats" "profile" ];
description = "Enabled collectors";
};
collectAll = mkOption {
type = types.bool;
default = false;
description = ''
Enable all collectors. Same as specifying all --collector.<name>
'';
};
telemetryPath = mkOption {
type = types.str;
default = "/metrics";
example = "/metrics";
description = "Metrics expose path";
};
};
serviceOpts = {
serviceConfig = {
RuntimeDirectory = "prometheus-mongodb-exporter";
ExecStart = ''
${getExe pkgs.prometheus-mongodb-exporter} \
--mongodb.uri="${cfg.uri}" \
${if cfg.collectAll then "--collect-all" else concatMapStringsSep " " (x: "--collect.${x}") cfg.collector} \
${optionalString (length cfg.collStats > 0) "--mongodb.collstats-colls=${concatStringsSep "," cfg.collStats}"} \
${optionalString (length cfg.indexStats > 0) "--mongodb.indexstats-colls=${concatStringsSep "," cfg.indexStats}"} \
--web.listen-address="${cfg.listenAddress}:${toString cfg.port}" \
--web.telemetry-path="${cfg.telemetryPath}" \
${escapeShellArgs cfg.extraFlags}
'';
};
};
}