ansible-role-elasticsearch/tasks/elasticsearch-plugins.yml

---

#es_plugins_reinstall will be set to true if elasticsearch_install.changed i.e. we have changed ES version, or if no plugins listed. Otherwise it is false and requires explicitly setting.
- set_fact: es_plugins_reinstall=true
  when: elasticsearch_install.changed or es_plugins is not defined or es_plugins is none

- set_fact: list_command="list"

- set_fact: list_command="--list"
  when: es_version | version_compare('2.0', '<')

#List currently installed plugins
- shell: "{{es_home}}/bin/plugin {{list_command}} | sed -n '1!p' | cut -d '-' -f2-"
  register: installed_plugins
  changed_when: False
  environment:
      CONF_DIR: "{{ conf_dir }}"
      ES_INCLUDE: "{{ instance_default_file }}"

#This needs to removes any currently installed plugins
- name: Remove elasticsearch plugins
  command: "{{es_home}}/bin/plugin remove {{item}} --silent"
  ignore_errors: yes
  with_items: installed_plugins.stdout_lines
  when: es_plugins_reinstall and installed_plugins.stdout_lines | length > 0 and not 'No plugin detected' in installed_plugins.stdout_lines[0]
  notify: restart elasticsearch
  environment:
    CONF_DIR: "{{ conf_dir }}"
    ES_INCLUDE: "{{ instance_default_file }}"

- name: Install elasticsearch plugins
  #debug: var=item
  command: "{{es_home}}/bin/plugin install {{ item.plugin }}{% if item.version is defined and item.version != '' %}/{{ item.version }}{% endif %} --silent"
  register: plugin_installed
  failed_when: "'Failed to install' in plugin_installed.stderr"
  changed_when: plugin_installed.rc == 0
  with_items: es_plugins
  when: es_plugins is defined and not es_plugins is none
  notify: restart elasticsearch
  environment:
    CONF_DIR: "{{ conf_dir }}"
    ES_INCLUDE: "{{ instance_default_file }}"

#Set permissions on plugins directory
- name: Set Plugin Directory Permissions
  file: state=directory path={{ plugin_dir }} owner={{ es_user }} group={{ es_group }} recurse=yes