ansible tips and tricks

ansible.sh

# render template via ansible module
$ ansible all -i "localhost," \
              -c local \
              -m template \
              -a "src=test.txt.j2 dest=./test.txt" \
              --extra-vars='{"users": ["Mike", "Smith", "Klara", "Alex"]}'

# render template via playbook
- hosts: 127.0.0.1
  tasks:
  - name: Test jinja2template
    template: src=test.j2 dest=test.conf
    
ansible-playbook jinja2test.yml --check --diff --connection=local

# handle machine restarts/connection restart etc
# if these tasks are handlers, let them listen to the same topic while having the
# 'wait' task to be after the task responsible for the connection abortion
- name: some task that will affect control machine to target host connection
  ...
  async: 1 # any value > 0
  poll: 0
  
- name: wait for connection
  wait_for_connection:
    timeout: 60
    delay: 2