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|
{ config, pkgs, lib, ... }:
with pkgs;
with lib;
let
cfg = config.services.riemann;
classpath = concatStringsSep ":" (
cfg.extraClasspathEntries ++ [ "${riemann}/share/java/riemann.jar" ]
);
launcher = writeScriptBin "riemann" ''
#!/bin/sh
exec ${openjdk}/bin/java ${concatStringsSep "\n" cfg.extraJavaOpts} \
-cp ${classpath} \
riemann.bin ${writeText "riemann.config" cfg.config}
'';
in {
options = {
services.riemann = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Enable the Riemann network monitoring daemon.
'';
};
config = mkOption {
type = types.lines;
description = ''
Contents of the Riemann configuration file.
'';
};
extraClasspathEntries = mkOption {
type = with types; listOf str;
default = [];
description = ''
Extra entries added to the Java classpath when running Riemann.
'';
};
extraJavaOpts = mkOption {
type = with types; listOf str;
default = [];
description = ''
Extra Java options used when launching Riemann.
'';
};
};
};
config = mkIf cfg.enable {
users.extraGroups.riemann.gid = config.ids.gids.riemann;
users.extraUsers.riemann = {
description = "riemann daemon user";
uid = config.ids.uids.riemann;
group = "riemann";
};
systemd.services.riemann = {
wantedBy = [ "multi-user.target" ];
path = [ inetutils ];
serviceConfig = {
User = "riemann";
ExecStart = "${launcher}/bin/riemann";
};
};
};
}
|