# HG changeset patch
# User Jonas Schäfer <jonas@wielicki.name>
# Date 1618746127 -7200
# Node ID 64fa2dd34d43baebd976ef69cfc1a7f2856a7f22
# Parent  9377b5593cc787ba5fc17ec7764446bc2513e964
mod_prometheus: remove space between label k/v pairs

It is illegal in OpenMetrics and not needed in the old prometheus
format, so we better don't emit it.

diff -r 9377b5593cc7 -r 64fa2dd34d43 mod_prometheus/mod_prometheus.lua
--- a/mod_prometheus/mod_prometheus.lua	Sat Apr 17 12:51:50 2021 +0100
+++ b/mod_prometheus/mod_prometheus.lua	Sun Apr 18 13:42:07 2021 +0200
@@ -2,6 +2,7 @@
 --
 -- Copyright (C) 2014 Daurnimator
 -- Copyright (C) 2018 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+-- Copyright (C) 2021 Jonas Schäfer <jonas@zombofant.net>
 --
 -- This module is MIT/X11 licensed.
 
@@ -53,7 +54,7 @@
 	if #values == 0 then
 		return "";
 	end
-	return "{"..t_concat(values, ", ").."}";
+	return "{"..t_concat(values, ",").."}";
 end
 
 local function repr_sample(metric, labels, value, timestamp)