[skip ci] Using different Kibana default host

Author: Chris Wiechmann

env-sample

@@ -408,7 +408,7 @@ ELASTIC_VERSION=7.10.0
 # parameter: KIBANA_HOST. For authentication Metricbeat uses the user: 
 # METRICBEAT_USERNAME & METRICBEAT_PASSWORD.
 # Used-By: Metricbeat
-# Defaults to first Elasticsearch host
+# Defaults to https://kibana:5601
 #KIBANA_HOST=https://my.kibanahost.net:5601
 
 ################################################################################################

metricbeat/scripts/metricbeat-entrypoint.sh

@@ -86,8 +86,8 @@ if [ -z "${ELASTICSEARCH_HOSTS}" ];then
 fi
 
 if [ -z "${KIBANA_HOST}" ];then
-    echo "Parameter KIBANA_HOST not given, using first Elasticsearch host";
-    kibanaHost=`echo ${ELASTICSEARCH_HOSTS} | awk '{split($0, va, /,/); first=va[1]; split(first, parts, /:/); printf("'https:%s:5601'", parts[2]) }'`
+    echo "Parameter KIBANA_HOST not given, using https://kibana:5601 as default";
+    kibanaHost="https://kibana:5601" # This is the default as given by Docker-Compose
     export KIBANA_HOST=$kibanaHost
     echo "KIBANA_HOST set to $kibanaHost"
 fi