Check if service exists with Ansible

Question

I have an Ansible playbook for deploying a Java app as an init.d daemon.

Being a beginner in both Ansible and Linux I\'m having trouble to conditionally execute task

Answer 1

See the service_facts module, new in Ansible 2.5.

- name: Populate service facts
  service_facts:
- debug:
    msg: Docker installed!
  when: "'docker' in services"