exit if shell variable is not set

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1

Good day Guys

Is there a way I can ansible to exit and print a custom error message if a bash / shell variable is not set.

If anyone can assist, it would be appreciated.

Thanks
Brent

2

- hosts: localhost
  gather_facts: false
  tasks:
    - fail: msg="lola is not set"
      when: lookup('env', 'lola') == ''

This fails the play
#>ansible-playbook play.yml

PLAY ***************************************************************************

TASK [fail msg=lola is not set] ************************************************
fatal: [localhost]: FAILED! => {"changed": false, "failed": true,
"msg": "lola is not set"}

PLAY RECAP *********************************************************************
localhost : ok=0 changed=0 unreachable=0 failed=1

And this continues play
#>lola=is ansible-playbook play.yml

PLAY ***************************************************************************

TASK [fail msg=lola is not set] ************************************************
skipping: [localhost]

PLAY RECAP *********************************************************************
localhost : ok=0 changed=0 unreachable=0 failed=0

note that the fail is 'per host'