From 6e592faa92dc2b9fabbe413e9430da632c376cb3 Mon Sep 17 00:00:00 2001
From: Izorkin <izorkin@elven.pw>
Date: Fri, 5 Jul 2019 12:11:44 +0300
Subject: [PATCH] nixos/netdata: enable reload service and add PID file

---
 nixos/modules/services/monitoring/netdata.nix | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/nixos/modules/services/monitoring/netdata.nix b/nixos/modules/services/monitoring/netdata.nix
index f264b6dd456..978dbd28d85 100644
--- a/nixos/modules/services/monitoring/netdata.nix
+++ b/nixos/modules/services/monitoring/netdata.nix
@@ -141,11 +141,16 @@ in {
       path = (with pkgs; [ gawk curl ]) ++ lib.optional cfg.python.enable
         (pkgs.python3.withPackages cfg.python.extraPackages);
       serviceConfig = {
+        Environment="PYTHONPATH=${pkgs.netdata}/libexec/netdata/python.d/python_modules";
+        ExecStart = "${pkgs.netdata}/bin/netdata -P /run/netdata/netdata.pid -D -c ${configFile}";
+        ExecReload = "${pkgs.utillinux}/bin/kill -s HUP -s USR1 -s USR2 $MAINPID";
+        TimeoutStopSec = 60;
+        # User and group
         User = cfg.user;
         Group = cfg.group;
-        Environment="PYTHONPATH=${pkgs.netdata}/libexec/netdata/python.d/python_modules";
-        ExecStart = "${pkgs.netdata}/bin/netdata -D -c ${configFile}";
-        TimeoutStopSec = 60;
+        # Runtime directory and mode
+        RuntimeDirectory = "netdata";
+        RuntimeDirectoryMode = "0755";
       };
     };