Fix field data is too large

Change-Id: Id3ceaa27687fda3b773873501208dacbfa3536ab
Closes-bug: #1699680

ansible/group_vars/all.yml

@@ -107,6 +107,11 @@ docker_common_options:
 keepalived_virtual_router_id: "51"
 
 
+#######################
+# Elasticsearch Options
+#######################
+es_heap_size: "1G"
+
 ####################
 # Networking options
 ####################

ansible/roles/elasticsearch/defaults/main.yml

@@ -5,6 +5,8 @@ elasticsearch_services:
     group: elasticsearch
     enabled: true
     image: "{{ elasticsearch_image_full }}"
+    environment:
+      ES_HEAP_SIZE: "{{ es_heap_size }}"
     volumes:
       - "{{ node_config_directory }}/elasticsearch/:{{ container_config_directory }}/"
       - "/etc/localtime:/etc/localtime:ro"
@@ -15,6 +17,7 @@ elasticsearch_services:
 # Elasticsearch
 ####################
 elasticsearch_cluster_name: "kolla_logging"
+es_heap_size: "1g"
 
 ####################
 # Docker

ansible/roles/elasticsearch/handlers/main.yml

@@ -11,6 +11,7 @@
     common_options: "{{ docker_common_options }}"
     name: "{{ service.container_name }}"
     image: "{{ service.image }}"
+    environment: "{{ service.environment }}"
     volumes: "{{ service.volumes }}"
   when:
     - action != "config"

ansible/roles/elasticsearch/tasks/config.yml

@@ -40,6 +40,7 @@
     name: "{{ item.value.container_name }}"
     image: "{{ item.value.image }}"
     volumes: "{{ item.value.volumes }}"
+    environment: "{{ item.value.environment }}"
   register: check_elasticsearch_containers
   when:
     - action != "config"

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

@@ -17,3 +17,4 @@ path.conf: "/etc/elasticsearch"
 path.data: "/var/lib/elasticsearch/data"
 path.logs: "/var/log/kolla/elasticsearch"
 path.scripts: "/etc/elasticsearch/scripts"
+indices.fielddata.cache.size: 40%