diff options
Diffstat (limited to 'nixpkgs/nixos/modules/services/monitoring/riemann.nix')
-rw-r--r-- | nixpkgs/nixos/modules/services/monitoring/riemann.nix | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/monitoring/riemann.nix b/nixpkgs/nixos/modules/services/monitoring/riemann.nix new file mode 100644 index 000000000000..fd625e34e013 --- /dev/null +++ b/nixpkgs/nixos/modules/services/monitoring/riemann.nix @@ -0,0 +1,100 @@ +{ config, pkgs, lib, ... }: + +with pkgs; +with lib; + +let + + cfg = config.services.riemann; + + classpath = concatStringsSep ":" ( + cfg.extraClasspathEntries ++ [ "${riemann}/share/java/riemann.jar" ] + ); + + riemannConfig = concatStringsSep "\n" ( + [cfg.config] ++ (map (f: ''(load-file "${f}")'') cfg.configFiles) + ); + + launcher = writeScriptBin "riemann" '' + #!/bin/sh + exec ${jdk}/bin/java ${concatStringsSep " " cfg.extraJavaOpts} \ + -cp ${classpath} \ + riemann.bin ${cfg.configFile} + ''; + +in { + + options = { + + services.riemann = { + enable = mkEnableOption "Riemann network monitoring daemon"; + + config = mkOption { + type = types.lines; + description = '' + Contents of the Riemann configuration file. For more complicated + config you should use configFile. + ''; + }; + configFiles = mkOption { + type = with types; listOf path; + default = []; + description = '' + Extra files containing Riemann configuration. These files will be + loaded at runtime by Riemann (with Clojure's + `load-file` function) at the end of the + configuration if you use the config option, this is ignored if you + use configFile. + ''; + }; + configFile = mkOption { + type = types.str; + description = '' + A Riemann config file. Any files in the same directory as this file + will be added to the classpath by Riemann. + ''; + }; + extraClasspathEntries = mkOption { + type = with types; listOf str; + default = []; + description = '' + Extra entries added to the Java classpath when running Riemann. + ''; + }; + extraJavaOpts = mkOption { + type = with types; listOf str; + default = []; + description = '' + Extra Java options used when launching Riemann. + ''; + }; + }; + }; + + config = mkIf cfg.enable { + + users.groups.riemann.gid = config.ids.gids.riemann; + + users.users.riemann = { + description = "riemann daemon user"; + uid = config.ids.uids.riemann; + group = "riemann"; + }; + + services.riemann.configFile = mkDefault ( + writeText "riemann-config.clj" riemannConfig + ); + + systemd.services.riemann = { + wantedBy = [ "multi-user.target" ]; + path = [ inetutils ]; + serviceConfig = { + User = "riemann"; + ExecStart = "${launcher}/bin/riemann"; + }; + serviceConfig.LimitNOFILE = 65536; + }; + + }; + +} |