nixpkgs/nixos/modules/services/logging/heartbeat.nix
h7x4 0a37316d6c
treewide: use mkPackageOption
This commit replaces a lot of usages of `mkOption` with the package
type, to be `mkPackageOption`, in order to reduce the amount of code.
2023-11-27 01:28:36 +01:00

79 lines
1.8 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.heartbeat;
heartbeatYml = pkgs.writeText "heartbeat.yml" ''
name: ${cfg.name}
tags: ${builtins.toJSON cfg.tags}
${cfg.extraConfig}
'';
in
{
options = {
services.heartbeat = {
enable = mkEnableOption (lib.mdDoc "heartbeat");
package = mkPackageOption pkgs "heartbeat" {
example = "heartbeat7";
};
name = mkOption {
type = types.str;
default = "heartbeat";
description = lib.mdDoc "Name of the beat";
};
tags = mkOption {
type = types.listOf types.str;
default = [];
description = lib.mdDoc "Tags to place on the shipped log messages";
};
stateDir = mkOption {
type = types.str;
default = "/var/lib/heartbeat";
description = lib.mdDoc "The state directory. heartbeat's own logs and other data are stored here.";
};
extraConfig = mkOption {
type = types.lines;
default = ''
heartbeat.monitors:
- type: http
urls: ["http://localhost:9200"]
schedule: '@every 10s'
'';
description = lib.mdDoc "Any other configuration options you want to add";
};
};
};
config = mkIf cfg.enable {
systemd.tmpfiles.rules = [
"d '${cfg.stateDir}' - nobody nogroup - -"
];
systemd.services.heartbeat = with pkgs; {
description = "heartbeat log shipper";
wantedBy = [ "multi-user.target" ];
preStart = ''
mkdir -p "${cfg.stateDir}"/{data,logs}
'';
serviceConfig = {
User = "nobody";
AmbientCapabilities = "cap_net_raw";
ExecStart = "${cfg.package}/bin/heartbeat -c \"${heartbeatYml}\" -path.data \"${cfg.stateDir}/data\" -path.logs \"${cfg.stateDir}/logs\"";
};
};
};
}