roles.common.tasks.main.yaml

- include: service.yaml
  with_items: 
       - elasticsearch
       - logstash
       - kibana
       - mongo
       - postgres

roles.common.tasks.service.yaml

- name: Install {{ item }}
  copy: src={{ item }}.service dest=/etc/systemd/system
  register: service 

- name: Reload systemd
  command: systemctl daemon-reload
  when: service.changed

- name: Restart {{ item }}
  service: name={{ item }} state=restarted
  when: service.changed