ansible.vault not working anymore?

[vid.j...@gmail.com]

Had  a functional ansible-vault setup up until today.

With each run now I get the following:

ERROR! Unexpected Exception, this is probably a bug: from_buffer() cannot return the address of the raw string within a str or unicode or bytearray object

This is a known bug and I have tried reinstalling the cryptography library through pip, but it did not solve the problem.

Anyone knows of other solutions or are there any fixes planned for this?

[Dick Visser]

On 14 August 2018 at 15:35, <vid.j...@gmail.com> wrote:
>
> Had a functional ansible-vault setup up until today.

Without going into details - what changed on your system today?
Because logic dictates that ansible-vault (or any other tool, for that
matter) doesn't stop working if nothing changed.


Dick

[Matt Martz]

Having just looked into this issue as it related to paramiko, the problem is with having an outdated version of python cryptography installed.

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[Vid Jelen]

My current python cryptography version is 2.3 & I've also upgraded pip itself via pip to 18.0

Ansible version is 2.7.0

I have tried reinstalling python cryptography several times with no different results than the same error message.

The paramiko package also crossed my mind, so I updated that one as well. The issue still persists...

The only thing that changed today was a package update with apt-get update && upgrade (running Linux Mint)

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[Dick Visser]

Hmm, that sounds like a somewhat volatile environment.
In any case, if somethings "suddenly" stops working, I would suggest
to find out what exactly changed that caused it to stop working.
Carpet-upgrading involved libraries might fix the issue, but it's not
going to make fault finding easier.
What about reverting the package that came in through apt-get
(interested to know which one)?


Dick

> https://groups.google.com/d/msgid/ansible-project/CA%2Bn_Oc3PkmExtcufgvTSugSaG_c2UZK3UwKAJ-PphU8gv8o%2BwA%40mail.gmail.com.

>
> For more options, visit https://groups.google.com/d/optout.



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[Vid Jelen]

I think the upgrade brought in at least 25 updated packages, so it might be a bit messy to revert each & every one :/

But I'll have a go at it and see what I can find from there.

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[Tony Chia]

The current stable ansible version is 2.6.2 according to the github release page https://github.com/ansible/ansible/releases

How did you get Ansible version 2.7.0? is the from the devel branch? 

[Tony Chia]

I would say a faster way is probably to setup a python virtualenv and see if you can reproduce the issue in the new clean virtual env.

You can find instructions how to setup a python virutal env at https://docs.python-guide.org/dev/virtualenvs/

[vid.j...@gmail.com]

Tried the python virtualenv and downgrading/upgrading all the possible packages with no success. 

But I finally resolved the issue after mingling with the system packages...

I'm running python 2.7.12 and the issue for me was, that the libs python3-crypto & python3-cffi-backend were installed through the system package manager.

Uninstalling those immediately solved the problem :)