nixpkgs/nixos/modules/services/monitoring/heapster.nix
2022-11-10 09:30:00 +01:00

56 lines
1.3 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.heapster;
in {
options.services.heapster = {
enable = mkEnableOption (lib.mdDoc "Heapster monitoring");
source = mkOption {
description = lib.mdDoc "Heapster metric source";
example = "kubernetes:https://kubernetes.default";
type = types.str;
};
sink = mkOption {
description = lib.mdDoc "Heapster metic sink";
example = "influxdb:http://localhost:8086";
type = types.str;
};
extraOpts = mkOption {
description = lib.mdDoc "Heapster extra options";
default = "";
type = types.separatedString " ";
};
package = mkOption {
description = lib.mdDoc "Package to use by heapster";
default = pkgs.heapster;
defaultText = literalExpression "pkgs.heapster";
type = types.package;
};
};
config = mkIf cfg.enable {
systemd.services.heapster = {
wantedBy = ["multi-user.target"];
after = ["cadvisor.service" "kube-apiserver.service"];
serviceConfig = {
ExecStart = "${cfg.package}/bin/heapster --source=${cfg.source} --sink=${cfg.sink} ${cfg.extraOpts}";
User = "heapster";
};
};
users.users.heapster = {
isSystemUser = true;
group = "heapster";
description = "Heapster user";
};
users.groups.heapster = {};
};
}