ansible_facts access within a custom module

[Christian Huck]

Hi,

how can I access the ansible_facts within a custom module which was initialized with the AnsibleModule class ?

I either:

a) need to pass the facts as a module parameter

or

b) access the facts directly inside the module

Thanks in advance.

Christian

[Michael DeHaan]

You can access the fact functions by importing the "module_utils" code for the facts functions and calling them directly from within your module.

This is in fact how the setup module itself is written.

Take a look at what it does and follow suit, and it should be pretty straightforward.

In the future, this is about developing on Ansible, so probably better suited for ansible-devel.   I'm trying to get that list to have a bit nicer momentum :)

Thanks!

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[Christian Huck]

Hi Michael,

I'll give that a try.

Thank you !

[Mona Gopal]

Hi,

import exceptions

import subprocess

from ansible.module_utils.basic import *

def main():

    module = AnsibleModule(argument_spec = dict(data=dict(required=False, default=None),),supports_check_mode = True)

    dt = {"System_Details":{'Kernel_version':ansible_hostname}}

    module.exit_json(ansible_facts=dt)

main()

Above is my custom module, where i am trying to access the ansible facts. 

I am getting the below error:

fatal: [172.19.3.60]: FAILED! => {"changed": false, "failed": true, "module_stderr": "", "module_stdout": "Traceback (most recent call last):\r\n  File \"/root/.ansible/tmp/ansible-tmp-1463490863.86-275822236207074/get_system_specific_details\", line 2014, in <module>\r\n    main()\r\n  File \"/root/.ansible/tmp/ansible-tmp-1463490863.86-275822236207074/get_system_specific_details\", line 2011, in main\r\n    dt = {\"System_Details\":{'Kernel_version':ansible_hostname}}\r\nNameError: global name 'ansible_hostname' is not defined\r\n", "msg": "MODULE FAILURE", "parsed": false}

Can you please help me out??

Thanks in advance,

Mona G

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[Brian Coca]

Any required facts need to be passed in, a module normally executes on a remote machine and we pass only the options given to the module. We do not pass all the data that the ansible controller has, both for security and performance reasons.

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Brian Coca