Yes. Use copy module. I hope so you are referring to inventory file which
has all node details.
Like below

/etc/ansible/inventory
[all]
host1
host2
host3

/etc/ansible/playbook/master
host entry files


/etc/ansible/playbook/test.yaml

host: all
tasks:
   - name: copying host file to all nodes
     copy:
         src: /etc/ansible/playbook/master
         dest: /etc/hosts
         mode: 0755


On Sun, 28 Apr 2019, 15:16 <ecro...@gmail.com wrote:

> Actually, I am referring to the master file outside the playbook.
> In other words I just have a plain text master file with all my host
> entries. Then, I create a playbook that references that master file to send
> to all nodes as reference to update their /etc/hosts file.
> Is that possible?
>
>
> On Sunday, April 28, 2019 at 5:43:06 AM UTC-4, Kunalsing Thakur wrote:
>>
>> If I understand correctly the master file you are talking about is
>> playbook term in ansible. The playbook has all information related to hosts
>> and deployment instruction. You can give the Input in playbook and it will
>> modify the stuff accordingly.
>>
>> On Sun, 28 Apr 2019, 15:09 <ecr...@gmail.com wrote:
>>
>>> I hope I am posting this to the correct area...
>>>
>>> I'm really new to Ansible and am in the process of trying to learn it.
>>> Question: Does Ansible have the ability to look at a master file that
>>> contains host file information and deploy information from that master file
>>> to the /etc/hosts file on all the nodes in my environment so that when I
>>> add a new host all that I need to do is update that master file and
>>> redeploy to all my nodes appending, or replacing, that existing /etc/hosts
>>> file?
>>>
>>> Thanks.
>>>
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