From 9b3d774430b085af2b134e3c5dadd515335b03cc Mon Sep 17 00:00:00 2001
From: Bartosz Kupidura <bkupidura@mirantis.com>
Date: Thu, 22 Jun 2017 14:58:19 +0200
Subject: [PATCH] We need empty {} to evaluate alerts

For some alerts we use reclass to get variables
(ex. threshold). To get those reclass variables
we use `prometheus_server` dict, which on nodes
without prometheus class is None.
We need to provide at least empty dict in that
case.

Change-Id: Ic1f2c1776c4852701dcf9f8a76f933926b2d9aec
---
 prometheus/map.jinja | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/prometheus/map.jinja b/prometheus/map.jinja
index c9aadce..3ff6bb6 100644
--- a/prometheus/map.jinja
+++ b/prometheus/map.jinja
@@ -1,5 +1,9 @@
 {% set server = salt['grains.filter_by']({
+  'default': {
+  },
 }, merge=salt['pillar.get']('prometheus:server')) %}
 
 {% set alertmanager = salt['grains.filter_by']({
+  'default': {
+  },
 }, merge=salt['pillar.get']('prometheus:alertmanager')) %}