Using a list with lineinfile throws an undefined variable error

[Simón Muñoz]

Hi all,

I have tried all that I could think about this, but I wasn't able to use a list inside a lineinfile call. This is my task code:

- name: php.ini hardening
  lineinfile:
    dest=/etc/php5/fpm/php.ini
    regexp="{{ item.regexp }}"
    line="{{ item.line }}"
    backrefs=yes
  with_items:
    - php_ini_settings

And this is an example list:

# roles/php-fpm/vars/main.yml

---

php_ini_settings:
  - regexp: "memory_limit = 128M"
    line: "{{ memory_limit }}"
  - regex: "post_max_size = 8M"
    line: "{{ post_max_size }}"

The fatal error: 

fatal: [192.168.33.9] => One or more undefined variables: 'str object' has no attribute 'regexp'

Anyone has a clue about this? Thanks in advance!

[Matt Martz]

There are a couple of things going on here, but the end solution I believe is going to be:

with_items: php_ini_settings

What you are doing is creating a list of lists, and php_ini_settings is being treated as a string.  Since php_ini_settings is already a list, just use the line I referenced above.

-- 
Matt Martz
ma...@sivel.net

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[Simón Muñoz]

Thanks for your answer Matt, but unfortunately it hasn't worked :(.

- name: Setting log level in development
  lineinfile:

    dest=/etc/php5/fpm/php.ini
    regexp="{{ item.regexp }}"
    line="{{ item.line }}"
    backrefs=

yes
  with_items: php_ini_settings

fatal: [192.168.33.9] => One or more undefined variables: 'str object' has no attribute 'regexp'

[Matt Martz]

From the sound of it, either that variable doesn't exist or for some reason it isn't being expanded.

You could try adding a task above that one to inspect it:

- debug: var=php_ini_settings

You might also try:

with_items: "{{ php_ini_settings }}" 

But you really shouldn't need to.  The error you are getting is saying that the data it is looping over is a string, and not a dict/hash.

-- 
Matt Martz
ma...@sivel.net

To view this discussion on the web visit https://groups.google.com/d/msgid/ansible-project/1d73b7fe-d30c-4278-8744-2d36b0b721a1%40googlegroups.com.

[Simón Muñoz]

Thanks a lot Matt, the debug command was enough to find the problem. After including it in the playbook I found this:

File "/usr/lib/python2.7/encodings/utf_8.py", line 16, in decode
    return codecs.utf_8_decode(input, errors, True)
UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 2: ordinal not in range(128)

So, it seems that my dictionary had an invisible character there making the variable unusable. Thanks a lot Matt, you made my day ;)!!!

[Frédéric Badel]

Hi,

… not really answering to the initial question, but why wouldn’t you use the ini_file module?

Fred

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[Simón Muñoz]

I simply didn´t know about it, but I think I will use it for sure ;).