* - name: loop over beofulf nodes
include_tasks: create-a-node.yml
loop: "{{ range(0, 1000) | list }}"
vars:
nodename: "{{ 'beofulfnode%03d' | format(item) }}"*
On Saturday, December 11, 2021 at 3:23:08 AM UTC-5 [email protected] wrote:
> Apparently the recommendation these days is to use the range filter:
>
>
> https://docs.ansible.com/ansible/latest/user_guide/playbooks_loops.html#with-sequence
>
>
> On Fri, 10 Dec 2021 at 22:55, Todd Lewis <[email protected]> wrote:
>
>> It's something close to this, but "create-a-node.yml" isn't a playbook in
>> this case, but rather just a task file.
>>
>> - name: loop over beofulf nodes
>> include_tasks: create-a-node.yml
>> with_sequence: start=000 end=999
>> vars:
>> nodename: "beofulfnode{{ item }}"
>>
>> On Friday, December 10, 2021 at 4:05:31 PM UTC-5 [email protected]
>> wrote:
>>
>>> I know I can do this from a shell script. I wonder if I can do this in
>>> pure Ansible.
>>> I was thinking about clusters recently. I know I can use the VM module
>>> to spin up a VM.
>>> If I wanted 1,000 nodes, how would I loop inside Ansible for the nodes?
>>> Using the shell I would do something like (not tested):
>>>
>>> for i in `seq 000 999`
>>> do
>>> ansible-playbook -e nodename=“beofulfnode$i” create-a-node.yml
>>> done
>>>
>>> How to do this looping in pure Ansible?
>>>
>>> Mike
>>
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