mirror of
https://github.com/NixOS/nixpkgs.git
synced 2025-06-10 19:55:41 +03:00
374e6bcc40
Format all Nix files using the officially approved formatter,
making the CI check introduced in the previous commit succeed:
nix-build ci -A fmt.check
This is the next step of the of the [implementation](https://github.com/NixOS/nixfmt/issues/153)
of the accepted [RFC 166](https://github.com/NixOS/rfcs/pull/166).
This commit will lead to merge conflicts for a number of PRs,
up to an estimated ~1100 (~33%) among the PRs with activity in the past 2
months, but that should be lower than what it would be without the previous
[partial treewide format](https://github.com/NixOS/nixpkgs/pull/322537).
Merge conflicts caused by this commit can now automatically be resolved while rebasing using the
[auto-rebase script](8616af08d9/maintainers/scripts/auto-rebase).
If you run into any problems regarding any of this, please reach out to the
[formatting team](https://nixos.org/community/teams/formatting/) by
pinging @NixOS/nix-formatting.
123 lines
3.4 KiB
Nix
123 lines
3.4 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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with lib;
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let
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cfg = config.services.promtail;
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format = pkgs.formats.json { };
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prettyJSON =
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conf:
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with lib;
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pipe conf [
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(flip removeAttrs [ "_module" ])
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(format.generate "promtail-config.json")
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];
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allowSystemdJournal =
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cfg.configuration ? scrape_configs && lib.any (v: v ? journal) cfg.configuration.scrape_configs;
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allowPositionsFile = !lib.hasPrefix "/var/cache/promtail" positionsFile;
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positionsFile = cfg.configuration.positions.filename;
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configFile = if cfg.configFile != null then cfg.configFile else prettyJSON cfg.configuration;
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in
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{
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options.services.promtail = with types; {
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enable = mkEnableOption "the Promtail ingresser";
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configuration = mkOption {
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type = format.type;
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description = ''
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Specify the configuration for Promtail in Nix.
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This option will be ignored if `services.promtail.configFile` is defined.
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'';
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};
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configFile = mkOption {
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type = nullOr path;
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default = null;
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description = ''
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Config file path for Promtail.
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If this option is defined, the value of `services.promtail.configuration` will be ignored.
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'';
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};
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extraFlags = mkOption {
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type = listOf str;
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default = [ ];
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example = [ "--server.http-listen-port=3101" ];
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description = ''
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Specify a list of additional command line flags,
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which get escaped and are then passed to Loki.
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'';
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};
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};
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config = mkIf cfg.enable {
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services.promtail.configuration.positions.filename = mkDefault "/var/cache/promtail/positions.yaml";
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systemd.services.promtail = {
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description = "Promtail log ingress";
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wantedBy = [ "multi-user.target" ];
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stopIfChanged = false;
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preStart = ''
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${lib.getExe pkgs.promtail} -config.file=${configFile} -check-syntax
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'';
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serviceConfig =
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{
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Restart = "on-failure";
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TimeoutStopSec = 10;
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ExecStart = "${pkgs.promtail}/bin/promtail -config.file=${configFile} ${escapeShellArgs cfg.extraFlags}";
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ProtectSystem = "strict";
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ProtectHome = true;
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PrivateTmp = true;
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PrivateDevices = true;
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ProtectKernelTunables = true;
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ProtectControlGroups = true;
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RestrictSUIDSGID = true;
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PrivateMounts = true;
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CacheDirectory = "promtail";
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ReadWritePaths = lib.optional allowPositionsFile (builtins.dirOf positionsFile);
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User = "promtail";
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Group = "promtail";
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CapabilityBoundingSet = "";
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NoNewPrivileges = true;
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ProtectKernelModules = true;
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SystemCallArchitectures = "native";
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ProtectKernelLogs = true;
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ProtectClock = true;
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LockPersonality = true;
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ProtectHostname = true;
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RestrictRealtime = true;
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MemoryDenyWriteExecute = true;
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PrivateUsers = true;
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SupplementaryGroups = lib.optional (allowSystemdJournal) "systemd-journal";
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}
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// (optionalAttrs (!pkgs.stdenv.hostPlatform.isAarch64) {
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# FIXME: figure out why this breaks on aarch64
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SystemCallFilter = "@system-service";
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});
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};
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users.groups.promtail = { };
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users.users.promtail = {
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description = "Promtail service user";
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isSystemUser = true;
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group = "promtail";
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};
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};
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}
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