Merge pull request elastic#169 from rcwsr/restart-on-config-change

Restart on config change

Author: jakommo

handlers/main.yml

@@ -1,7 +1,7 @@
 
 - name: restart elasticsearch
   service: name={{instance_init_script | basename}} state=restarted enabled=yes
-  when: es_restart_on_change and es_start_service and not elasticsearch_started.changed and ((plugin_installed is defined and plugin_installed.changed) or (xpack_state.changed) or (elasticsearch_install_from_repo.changed or elasticsearch_install_from_package.changed))
+  when: es_restart_on_change and es_start_service and not elasticsearch_started.changed and ((plugin_installed is defined and plugin_installed.changed) or (config_updated is defined and config_updated.changed) or (xpack_state.changed) or (elasticsearch_install_from_repo.changed or elasticsearch_install_from_package.changed))
 
 - name: load-native-realms
   include: ./handlers/shield/elasticsearch-shield-native.yml
@@ -14,4 +14,4 @@
 
 - name: load-templates
   include: ./handlers/elasticsearch-templates.yml
-  when: es_templates
+  when: es_templates

tasks/elasticsearch-config.yml

@@ -19,6 +19,7 @@
 #Copy the config template
 - name: Copy Configuration File
   template: src=elasticsearch.yml.j2 dest={{conf_dir}}/elasticsearch.yml owner={{ es_user }} group={{ es_group }} mode=0644 force=yes
+  register: config_updated
   notify: restart elasticsearch
 
 #Copy the instance specific default file