How to debug Ansible modules

[Wawrzek Niewodniczanski]

Hi,

I'm looking to peek into an Ansible module. It is the 'unarchvie'
module which in special circumstances is not idempotent
(https://github.com/ansible/ansible/issues/57303). I read the code. It
looks sensible to me. Now, I would like to check how it actually works
with some data.

Thanks,
Wawrzek

--
Dr Wawrzyniec Niewodniczański or Wawrzek for short
PhD in Quantum Chemistry & MSc in Molecular Engineering
WWW: http://wawrzek.name E-MAIL: jo...@wawrzek.name
Linux User #177124

[Pshem Kowalczyk]

This should be of help: https://docs.ansible.com/ansible/latest/dev_guide/debugging.html

kind regards

Pshem

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[Kai Stian Olstad]

On 04.06.2019 09:05, Wawrzek Niewodniczanski wrote:
> Hi,
>
> I'm looking to peek into an Ansible module. It is the 'unarchvie'
> module which in special circumstances is not idempotent
> (https://github.com/ansible/ansible/issues/57303). I read the code. It
> looks sensible to me. Now, I would like to check how it actually works
> with some data.

The unarchive has some nice debug option but they are commented out on
line 436[1], 590[2] and 870[3].
And with the callback plugin debug you get some nice output, and you can
always add more "err +=" to get more output.

I might have spotted the bug in finding the debug line numbers, this PR
43479[4] in line 317
pwname has become pwnam


[1]
https://github.com/ansible/ansible/blob/devel/lib/ansible/modules/files/unarchive.py#L436
[2]
https://github.com/ansible/ansible/blob/devel/lib/ansible/modules/files/unarchive.py#L590
[3]
https://github.com/ansible/ansible/blob/devel/lib/ansible/modules/files/unarchive.py#L870
[4]
https://github.com/ansible/ansible/pull/43479/files#diff-5947943aa1aba46541842caf34f526aeR317


--
Kai Stian Olstad

[Kai Stian Olstad]

On 04.06.2019 11:34, Kai Stian Olstad wrote:
> I might have spotted the bug in finding the debug line numbers, this
> PR 43479[4] in line 317
> pwname has become pwnam

It's not it's called pwname
https://docs.python.org/2/library/pwd.html#pwd.getpwnam


--
Kai Stian Olstad