Also Kibana requires special format for ES-Hosts

Author: Chris Wiechmann

env-sample

@@ -112,9 +112,9 @@ API_MANAGER_PASSWORD=changeme
 ################################################################################################
 #                            Configure Multi-Node ES-Cluster
 ################################################################################################
-The following parameters are used by the elaticsearch/docker-compose.es<N>.yml files and only 
-required if you are running Elasticsearch based on Docker-Compose. 
-If you using an external Elasticsearch cluster, these parameters are not used.
+# The following parameters are used by the elaticsearch/docker-compose.es<N>.yml files and only 
+# required if you are running Elasticsearch based on Docker-Compose. 
+# If you using an external Elasticsearch cluster, these parameters are not used.
 ELASTICSEARCH_HOST1=elasticsearch1
 ELASTICSEARCH_HOST2=elasticsearch2
 ELASTICSEARCH_HOST3=elasticsearch3

kibana/docker-compose.kibana.yml

@@ -3,6 +3,8 @@ services:
   # This is optional, but good to have to perform manual queries and create custom dashboards
   kibana:
     image: docker.elastic.co/kibana/kibana:${ELASTIC_VERSION}
+    # This custom entrypoint is required to adjust the variable ELASTICSEARCH_HOSTS from Comma to Space separated
+    entrypoint: /usr/share/kibana/scripts/custom-entrypoint.sh
     container_name: kibana
     environment:
       - SERVER_NAME=axway-apim-kibana
@@ -22,6 +24,7 @@ services:
         target: /var/log
       - ${PWD}/kibana/config/kibana.yml:/usr/share/kibana/config/kibana.yml
       - ${PWD}/certificates:/usr/share/kibana/config/certificates
+      - ${PWD}/kibana/scripts:/usr/share/kibana/scripts
     ulimits:
       memlock:
         soft: -1

kibana/scripts/custom-entrypoint.sh

@@ -0,0 +1,14 @@
+#!/bin/bash -e
+
+# This scripts adjusts the configured list of Elasticsearch hosts
+# Kibana requires each host to be double quoted
+
+hostsForKibana=`echo ${ELASTICSEARCH_HOSTS} | awk '{split($0, va, /,/); vl=""; for (v in va) { if (vl =="" ) vl = sprintf("\"%s\"", va[v]); else vl = vl sprintf(",\"%s\"", va[v]); } print(vl) }'`
+
+echo "Adjusted given Elasticsearch hosts: ${hostsForKibana} for Kibana"
+
+export ELASTICSEARCH_HOSTS=[$hostsForKibana]
+
+# Finally call the original Docker-Entrypoint
+#/usr/local/bin/dumb-init "--"
+/usr/local/bin/kibana-docker