Make ElasticSearch ports configurable.

Author: style95

ansible/group_vars/all

@@ -298,9 +298,9 @@ db:
     backend: "{{ db_activation_backend | default('CouchDB') }}"
   elasticsearch:
     protocol: "{{ elastic_protocol | default('http') }}"
-    port: 9200
+    port: "{{ elastic_port | default(9200) }}"
     index_pattern: "{{ elastic_index_pattern | default('openwhisk-%s') }}"
-    base_transport_port: 9300
+    base_transport_port: "{{ elastic_transport_port_base | default(9300) }}"
     confdir: "{{ config_root_dir }}/elasticsearch"
     dir:
       become: "{{ elastic_dir_become | default(false) }}"
@@ -343,7 +343,7 @@ elasticsearch:
 
 elasticsearch_connect_string: "{% set ret = [] %}\
                                {% for host in groups['elasticsearch'] %}\
-                               {{ ret.append( hostvars[host].ansible_host + ':' + ((db.elasticsearch.port+loop.index-1)|string) ) }}\
+                               {{ ret.append( hostvars[host].ansible_host + ':' + ((db.elasticsearch.port|int+loop.index-1)|string) ) }}\
                                {% endfor %}\
                                {{ ret | join(',') }}"
 mongodb:

ansible/roles/elasticsearch/templates/elasticsearch.yml.j2

@@ -11,7 +11,7 @@ transport.tcp.port: {{ transport_port }}
 # Details: https://github.com/elastic/elasticsearch/pull/17282
 discovery.zen.ping.unicast.hosts:
 {% for es in groups['elasticsearch'] %}
-   - {{ hostvars[es].ansible_host }}:{{ db.elasticsearch.base_transport_port + host_group.index(es)|int }}
+   - {{ hostvars[es].ansible_host }}:{{ db.elasticsearch.base_transport_port|int + host_group.index(es)|int }}
 {% endfor %}
 discovery.zen.minimum_master_nodes: {{ (host_group|length / 2 + 1) | int}}