Thank you ! that worked :-)
On Monday, 27 April 2020 00:24:48 UTC-7, Dick Visser wrote:
>
> Assuming you connect as user 'ansible', this playbook will do what you
> want:
>
> ---
> - hosts: centos
>
> tasks:
> - name: Populate file with hostname and IPv4
> copy:
> dest: hostname
> content: "{{ ansible_default_ipv4.address }}\n{{ ansible_hostname
> }}"
>
>
>
>
> On Mon, 27 Apr 2020 at 07:11, P r @ v i N <[email protected] <javascript:>>
> wrote:
>
>> Its linux academy, video based...no trainer as such.
>>
>> On Sun, Apr 26, 2020, 22:10 Dick Visser <[email protected] <javascript:>>
>> wrote:
>>
>>> Which training is this?
>>> Usually with a training you need to come up with answers to questions
>>> yourself, and the trainer shows you the answer if you don't know it.
>>>
>>>
>>>
>>> On Sun, 26 Apr 2020 at 18:33, Pravin Patil <[email protected]
>>> <javascript:>> wrote:
>>>
>>>> This is part of the training module I am currently learning, to try how
>>>> the magic variables work.
>>>> the centos is group, with one host, in the inventory file.
>>>> the output of this playbook is supposed to be a file named "hostname"
>>>> gets created on target host. And it should have two values:
>>>> "ansible_hostname", and the "ipv4" address.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Sunday, 26 April 2020 09:24:08 UTC-7, Dick Visser wrote:
>>>>
>>>>> If you want to create files then I would suggest using the template
>>>>> module, or even copy.
>>>>>
>>>>> You are targeting a group, but are using hostvars- what is your actual
>>>>> intention? A group, a host, or...? This is necessary to answer your
>>>>> question.
>>>>>
>>>>> BTW attaching screendumps add unnecessary clutter for people and make
>>>>> it difficult for content to be indexed. So don't use screendumps but just
>>>>> text.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Sun, 26 Apr 2020 at 18:07, Pravin Patil <[email protected]> wrote:
>>>>>
>>>> Hello -
>>>>>> I am trying to create a new file called 'hostname", and within it
>>>>>> trying to copy the ansible_hostname, and ipv4 address using the hostvars
>>>>>> magic variable.
>>>>>> Attaching the screenshots.
>>>>>>
>>>>>>
>>>>>>
>>>>>> [image: Screen Shot 2020-04-26 at 9.06.21 AM.png]
>>>>>>
>>>>>> [image: Screen Shot 2020-04-26 at 9.06.43 AM.png]
>>>>>>
>>>>>>
>>>>>> On Saturday, 25 April 2020 21:54:14 UTC-7, Dick Visser wrote:
>>>>>>>
>>>>>>> Hi
>>>>>>>
>>>>>>> I don't see attached files (which is good I'd say) but then the
>>>>>>> indentation of the include yaml files is a bit messed up.
>>>>>>>
>>>>>>> Regardless of that, it is not clear what you are trying to do with
>>>>>>> this playbook?
>>>>>>> Write the default ipv4 address of all hosts in a group to a file on
>>>>>>> all those hosts?
>>>>>>> Please explain what you want to do, and why (as there may be
>>>>>>> alternative way to achieve what you want).
>>>>>>>
>>>>>>> On Sun, 26 Apr 2020 at 04:01, Pravin Patil <[email protected]>
>>>>>>> wrote:
>>>>>>>
>>>>>> Please refer to the attached file for issues I am running into...
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> *Here is my playbook:*
>>>>>>>>
>>>>>>>> --- # Ansible facts example
>>>>>>>>
>>>>>>>> - hosts: centos
>>>>>>>>
>>>>>>>> tasks:
>>>>>>>>
>>>>>>>> - name: create a file to write the fact values
>>>>>>>>
>>>>>>>> lineinfile:
>>>>>>>>
>>>>>>>> path: /home/ansible/hostname
>>>>>>>>
>>>>>>>> create: yes
>>>>>>>>
>>>>>>>> line: "{{ ansible_hostname }}"
>>>>>>>>
>>>>>>>> - name: access magic variables
>>>>>>>>
>>>>>>>> lineinfile:
>>>>>>>>
>>>>>>>> path: /home/ansible/hostname
>>>>>>>>
>>>>>>>> line: "{{
>>>>>>>> hostvars['centos']['ansible_default_ipv4']['address'] }}"
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> *And here is the command I am using to run it:*
>>>>>>>>
>>>>>>>> ansible-playbook -i inv facts.yml
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> *And here is the inventory (host):*
>>>>>>>>
>>>>>>>> [centos]
>>>>>>>>
>>>>>>>> cen ansible_host=172.31.4.215
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> *I keep running into this error:*
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> PLAY [centos]
>>>>>>>> ********************************************************************
>>>>>>>>
>>>>>>>> TASK [Gathering Facts]
>>>>>>>> ***********************************************************
>>>>>>>>
>>>>>>>> ok: [cen]
>>>>>>>>
>>>>>>>> TASK [create a file to write the fact values]
>>>>>>>> ************************************
>>>>>>>>
>>>>>>>> ok: [cen]
>>>>>>>>
>>>>>>>> TASK [access magic variables]
>>>>>>>> ****************************************************
>>>>>>>>
>>>>>>>> fatal: [cen]: FAILED! => {"msg": "The task includes an option with
>>>>>>>> an undefined variable. The error was: \"hostvars['centos']\" is
>>>>>>>> undefined\n\nThe error appears to have been in
>>>>>>>> '/home/ansible/facts.yml':
>>>>>>>> line 9, column 13, but may\nbe elsewhere in the file depending on the
>>>>>>>> exact
>>>>>>>> syntax problem.\n\nThe offending line appears to be:\n\n
>>>>>>>> line:
>>>>>>>> \"{{ ansible_hostname }}\"\n - name: access magic variables\n
>>>>>>>> ^
>>>>>>>> here\n"}
>>>>>>>>
>>>>>>>> to retry, use: --limit @/home/ansible/facts.retry
>>>>>>>>
>>>>>>>> PLAY RECAP
>>>>>>>>
>>>>>>>>
>>>>>>>> ***********************************************************************
>>>>>>>>
>>>>>>>> cen : ok=2 changed=0 unreachable=0 failed=1
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> *How to resolve this?*
>>>>>>>>
>>>>>>>>
>>>>>>>>
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>>>>>>>>
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>>>>>>>> .
>>>>>>>>
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>>>>>>>
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>>>>>>
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>>>>>> .
>>>>>>
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>>>
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>> .
>>
>
>
> --
> Dick Visser
> Trust & Identity Service Operations Manager
> GÉANT
>
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