Attempting to yum install multiple packages using with_items results in Python AttributeError: 'list' object has no attribute 'split'

[Joanna Delaporte]

Good afternoon, I am attempting to install multiple packages on a CentOS 7 server. I am using 2.0.0-rc1. I keep running into a python error.

I tried using a yum task in a role, using with_items like so:

- yum: name={{ item }} state=present

  with_items:

  - ypbind

  - rpcbind

I think that is the way it should be done, based on documentation. 

However, I keep getting this error: 

failed: [HOSTNAME] => (item=[u'ypbind', u'rpcbind']) => {"failed": true, "item": ["ypbind", "rpcbind"], "msg": "Traceback (most recent call last):\r\n  File \"/tmp/.ansible/ansible-tmp-1448471787.66-61112899447177/yum\", line 2744, in <module>\r\n    main()\r\n  File \"/tmp/.ansible/ansible-tmp-1448471787.66-61112899447177/yum\", line 833, in main\r\n    disablerepo, disable_gpg_check)\r\n  File \"/tmp/.ansible/ansible-tmp-1448471787.66-61112899447177/yum\", line 718, in ensure\r\n    items = pkgspec.split(',')\r\nAttributeError: 'list' object has no attribute 'split'\r\n", "parsed": false}

[David Karban]

Hi,

if I`m looking right, it can be indentation problem,

- yum: name={{ item }} state=present

  with_items:

    - ypbind

    - rpcbind

David Karban
Linux server specialist/Specialista na správu linuxových serverů
www.karban.eu

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[Joanna Delaporte]

Hi David, 

Thanks. I also tried it with more indentation, with the same error result:

- yum: pkg={{ item }} state=present

  with_items:

    - ypbind

    - rpcbind

[Joanna Delaporte]

I have also tried the following dictionary layouts, which resulted in the same 'list object' python error:

- yum:

    name: "{{ item }}"

    state: present

  with_items:

  - ypbind

  - rpcbind

And this:

- yum:

    name:

    - ypbind

    - rpcbind

    state: present

Running the task with only one item works (both of the following succeeded):

- yum:

    name=ypbind state=present

- yum:

    name: rpcbind

    state: present

[Joanna Delaporte]

Okay, so the yum module might actually be broken, because when I replaced "yum" with "package", it started working correctly. 

This works:

- package: name="{{ item }}" state=present

  with_items:

    - ypbind

    - rpcbind

This doesn't:

- yum: name="{{ item }}" state=present

  with_items:

    - ypbind

    - rpcbind

And fails with this error:

failed: [HOSTNAME] => (item=[u'ypbind', u'rpcbind']) => {"failed": true, "item": ["ypbind", "rpcbind"], "msg": "Traceback (most recent call last):\r\n  File \"/tmp/.ansible/ansible-tmp-1448479744.44-240902329915911/yum\", line 2742, in <module>\r\n    main()\r\n  File \"/tmp/.ansible/ansible-tmp-1448479744.44-240902329915911/yum\", line 831, in main\r\n    disablerepo, disable_gpg_check)\r\n  File \"/tmp/.ansible/ansible-tmp-1448479744.44-240902329915911/yum\", line 716, in ensure\r\n    items = pkgspec.split(',')\r\nAttributeError: 'list' object has no attribute 'split'\r\n", "parsed": false}

On Wednesday, November 25, 2015 at 1:00:42 PM UTC-6, Joanna Delaporte wrote:

[Brian Coca]

package will just call yum module, the main difference is in the
'squashing', another check you can do to confirm this is set the env
var ANSIBLE_SQUASH_ACTIONS="apt,pkgng", which would avoid that in yum
(which is part of default list).


--
Brian Coca

[Joanna Delaporte]

Hi Brian,

Okay, but why does my play work with package, but not yum?

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[Brian Coca]

if you run the test i asked, i can confirm it will be because of
argument squashing, which is an optimization that will run on yum but
not on package.

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Brian Coca

[Joanna Delaporte]

Yes, right. Sorry for my misunderstanding. I'll get back to you with a test run after I feed my kids dinner.

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[Joanna Delaporte]

Alright, it worked with that variable you requested. 

I exported the env var (it didn't work just set in the current shell):

export ANSIBLE_SQUASH_ACTIONS="apt,pkgng"

And ran this play:

- yum: name="{{ item }}" state=present

  with_items:

    - ypbind

    - rpcbind

The play succeeded with this variable set.

Thanks!

Joanna

[Toshio Kuratomi]

From the traceback you showed in your original message, it looks like
somehow you have an old version of the yum module being used with the
current rc1 for /usr/bin/ansible-playbook. items = pkgspec.split(',')
from the traceback message is no longer present in the yum module.
Perhaps there's some old version of ansible present on the machine and
its yum module is overriding the one from rc1 or you have the
ANSIBLE_LIBRARY environment variable set to some path where an
alternative yum module is living.

-Toshio

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[Joanna Delaporte]

Hi Toshio,

ANSIBLE_LIBRARY is unset. 

$ ansible --version

ansible 2.0.0

  config file = /etc/ansible/ansible.cfg

  configured module search path = /usr/share/ansible

With a little investigation, I see the long listing of /usr/share/ansible/packaging shows all files with a date of April 2014, even though one level up they are all dated 11/23/15. 

A couple days ago, I did an untar, make, make install of the package. Today, I attempted to reinstall pip because I was having these issues:

pip install --upgrade http://releases.ansible.com/ansible/ansible-2.0.0-0.6.rc1.tar.gz

And just now I did a pip force reinstall:

# pip install --force-reinstall http://releases.ansible.com/ansible/ansible-2.0.0-0.6.rc1.tar.gz

The module files are still all the old ones from April 2014. How do I get the updated module files? 

[Toshio Kuratomi]

On Wed, Nov 25, 2015 at 5:19 PM, Joanna Delaporte
<joannad...@gmail.com> wrote:
> Hi Toshio,
>
> ANSIBLE_LIBRARY is unset.
>
> $ ansible --version
> ansible 2.0.0
> config file = /etc/ansible/ansible.cfg
> configured module search path = /usr/share/ansible
>
> With a little investigation, I see the long listing of
> /usr/share/ansible/packaging shows all files with a date of April 2014, even
> though one level up they are all dated 11/23/15.
>
> A couple days ago, I did an untar, make, make install of the package. Today,
> I attempted to reinstall pip because I was having these issues:
> pip install --upgrade
> http://releases.ansible.com/ansible/ansible-2.0.0-0.6.rc1.tar.gz
>
> And just now I did a pip force reinstall:
> # pip install --force-reinstall
> http://releases.ansible.com/ansible/ansible-2.0.0-0.6.rc1.tar.gz
>
> The module files are still all the old ones from April 2014. How do I get
> the updated module files?
>

The modules are now installed in the ansible library directory
(something like /usr/lib/python2.7/site-packages/ansible/ ... varies a
little bit depending on the distribution that you are running). The
files in /usr/share/ansible are likely from an old install. I'd try
this:

$ sudo mv /usr/share/ansible /usr/share/ansible.bak

If you can then run your playbook/ansible commands and it still finds
its modules (hopefully now the up-to-date modules ;-) then you should
be able to rm -rf /usr/share/ansible.bak

-Toshio

[Joanna Delaporte]

Thanks! I found the paths on my machines so I could set them in my ansible.cfg file. I appreciate the tip!

For reference, I found the modules dirs in these two locations on my current control hosts:

/usr/local/lib/python2.7/dist-packages/ansible/modules (Ubuntu 14.04)

/usr/lib64/python2.7/site-packages/ansible/modules (Slackware 14.1)

This will probably fix several errors I have been trying to work around, mostly related to lists breaking, in 2.0.

Thanks!

Joanna