metron-deployment/roles/metron_ui/tasks/metron-ui.yml

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#  The ASF licenses this file to You under the Apache License, Version 2.0
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---
- name: Configure Metron UI
  lineinfile:
    dest="{{ metron_ui_directory }}/config.json"
    regexp="{{ item.regexp }}"
    line="{{ item.line }}"
    state=present
  with_items:
    - { regexp: '"elasticsearch":', line: '"elasticsearch": { "url": "http://{{ groups.search[0] }}:{{ elasticsearch_web_port }}" },' }
    - { regexp: '"pcap":', line: '  "pcap": { "url": "http://{{ groups.pcap_server[0] }}:{{ pcapservice_port }}/pcapGetter","mock": false }' }

- name: Install Node dependencies
  npm:
    name: pm2
    path: "{{ metron_ui_directory }}"
    global: true

- name: Install Metron UI
  npm:
    path: "{{ metron_ui_directory }}"
    production: no

- name: Ensure Metron UI is stopped before installing service
  shell: pm2 stop all
  args:
    creates: /etc/init.d/pm2-init.sh
  register: pm2_result
  failed_when: pm2_result.rc != 0 and ("No process found" not in pm2_result.stderr)

- name: Configure Metron UI as a service
  shell: "{{ item }}"
  args:
    creates: /etc/init.d/pm2-init.sh
  with_items:
    - "pm2 start {{ metron_ui_directory }}/lib/metron-ui.js --name metron"
    - pm2 save
    - pm2 startup centos
    - su -c 'chmod +x /etc/init.d/pm2-init.sh'

- name: Stop Metron UI
  service: name=pm2-init.sh state=stopped