nixos/logstash: Don't set unnecessary JAVA_HOME

Changed files
+1 -2
nixos
modules
services
logging
+1 -2
nixos/modules/services/logging/logstash.nix
···
###### implementation
config = mkIf cfg.enable {
-
systemd.services.logstash = with pkgs; {
+
systemd.services.logstash = {
description = "Logstash Daemon";
wantedBy = [ "multi-user.target" ];
-
environment = { JAVA_HOME = jre; };
path = [ pkgs.bash ];
serviceConfig = {
ExecStartPre = ''${pkgs.coreutils}/bin/mkdir -p "${cfg.dataDir}" ; ${pkgs.coreutils}/bin/chmod 700 "${cfg.dataDir}"'';