diff options
Diffstat (limited to 'nixos/modules/services/logging/journalbeat.nix')
-rw-r--r-- | nixos/modules/services/logging/journalbeat.nix | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/nixos/modules/services/logging/journalbeat.nix b/nixos/modules/services/logging/journalbeat.nix new file mode 100644 index 00000000000..4035ab48b4b --- /dev/null +++ b/nixos/modules/services/logging/journalbeat.nix @@ -0,0 +1,94 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + cfg = config.services.journalbeat; + + journalbeatYml = pkgs.writeText "journalbeat.yml" '' + name: ${cfg.name} + tags: ${builtins.toJSON cfg.tags} + + ${cfg.extraConfig} + ''; + +in +{ + options = { + + services.journalbeat = { + + enable = mkEnableOption "journalbeat"; + + package = mkOption { + type = types.package; + default = pkgs.journalbeat; + defaultText = literalExpression "pkgs.journalbeat"; + description = '' + The journalbeat package to use + ''; + }; + + name = mkOption { + type = types.str; + default = "journalbeat"; + description = "Name of the beat"; + }; + + tags = mkOption { + type = types.listOf types.str; + default = []; + description = "Tags to place on the shipped log messages"; + }; + + stateDir = mkOption { + type = types.str; + default = "journalbeat"; + description = '' + Directory below <literal>/var/lib/</literal> to store journalbeat's + own logs and other data. This directory will be created automatically + using systemd's StateDirectory mechanism. + ''; + }; + + extraConfig = mkOption { + type = types.lines; + default = ""; + description = "Any other configuration options you want to add"; + }; + + }; + }; + + config = mkIf cfg.enable { + + assertions = [ + { + assertion = !hasPrefix "/" cfg.stateDir; + message = + "The option services.journalbeat.stateDir shouldn't be an absolute directory." + + " It should be a directory relative to /var/lib/."; + } + ]; + + systemd.services.journalbeat = { + description = "Journalbeat log shipper"; + wantedBy = [ "multi-user.target" ]; + wants = [ "elasticsearch.service" ]; + after = [ "elasticsearch.service" ]; + preStart = '' + mkdir -p ${cfg.stateDir}/data + mkdir -p ${cfg.stateDir}/logs + ''; + serviceConfig = { + StateDirectory = cfg.stateDir; + ExecStart = '' + ${cfg.package}/bin/journalbeat \ + -c ${journalbeatYml} \ + -path.data /var/lib/${cfg.stateDir}/data \ + -path.logs /var/lib/${cfg.stateDir}/logs''; + Restart = "always"; + }; + }; + }; +} |