Logstash Module - Fix Redis Output hostname

salt/logstash/files/dynamic/9999_output_redis.conf

@@ -1,3 +1,4 @@
+{%- set master = grains['master'] %}
 {%- if salt['grains.get']('role') == 'so-master' %}
 {%- set nodetype = 'master' %}
 {%- else %}
@@ -5,7 +6,7 @@
 {%- endif %}
 output {
 	redis {
-		host => 'so-redis'
+		host => '{{ master }}'
 		data_type => 'list'
 		{%- if nodetype == 'parser' %}
 		key => 'logstash:parsed'