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nixpkgs/nixos/modules/services/tracing/tempo.nix
stuebinm 6afb255d97 nixos: remove all uses of lib.mdDoc
these changes were generated with nixq 0.0.2, by running

  nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix
  nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix
  nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix

two mentions of the mdDoc function remain in nixos/, both of which
are inside of comments.

Since lib.mdDoc is already defined as just id, this commit is a no-op as
far as Nix (and the built manual) is concerned.
2024-04-13 10:07:35 -07:00

81 lines
2 KiB
Nix

{ config, lib, pkgs, ... }:
let
inherit (lib) mkEnableOption mkIf mkOption types;
cfg = config.services.tempo;
settingsFormat = pkgs.formats.yaml {};
in {
options.services.tempo = {
enable = mkEnableOption "Grafana Tempo";
settings = mkOption {
type = settingsFormat.type;
default = {};
description = ''
Specify the configuration for Tempo in Nix.
See https://grafana.com/docs/tempo/latest/configuration/ for available options.
'';
};
configFile = mkOption {
type = types.nullOr types.path;
default = null;
description = ''
Specify a path to a configuration file that Tempo should use.
'';
};
extraFlags = mkOption {
type = types.listOf types.str;
default = [];
example = lib.literalExpression
''
[ "-config.expand-env=true" ]
'';
description = ''
Additional flags to pass to the `ExecStart=` in `tempo.service`.
'';
};
};
config = mkIf cfg.enable {
# for tempo-cli and friends
environment.systemPackages = [ pkgs.tempo ];
assertions = [{
assertion = (
(cfg.settings == {}) != (cfg.configFile == null)
);
message = ''
Please specify a configuration for Tempo with either
'services.tempo.settings' or
'services.tempo.configFile'.
'';
}];
systemd.services.tempo = {
description = "Grafana Tempo Service Daemon";
wantedBy = [ "multi-user.target" ];
serviceConfig = let
conf = if cfg.configFile == null
then settingsFormat.generate "config.yaml" cfg.settings
else cfg.configFile;
in
{
ExecStart = "${pkgs.tempo}/bin/tempo --config.file=${conf} ${lib.escapeShellArgs cfg.extraFlags}";
DynamicUser = true;
Restart = "always";
ProtectSystem = "full";
DevicePolicy = "closed";
NoNewPrivileges = true;
WorkingDirectory = "/var/lib/tempo";
StateDirectory = "tempo";
};
};
};
}