is there a way to define a range of data?

[lou]

Hi Ansible experts,

Is there a way to simplify writing the following (vlan):

---

- hosts: X

  connection: network_cli

  remote_user: admin

  become: yes

  become_method: enable

  vars:

    ansible_network_os: "eos"

  tasks:

    - eos_vlan:

        state: active

        aggregate:

          - { vlan_id: 1, name: default }

          - { vlan_id: 2, name: Vl2 }

          - { vlan_id: 3, state: suspend }

          - { vlan_id: 4 }

          - { vlan_id: 5 }

          - { vlan_id: 6 }

          - { vlan_id: 7 }

          - { vlan_id: 8 }

          - { vlan_id: 9 }

          - { vlan_id: 10 }

          - { vlan_id: 11 }

          - { vlan_id: 12 }

          - { vlan_id: 13 }

          - { vlan_id: 14 }

...

...

If I have to define thousands of vlan_ids, I would love to see Ansible provide some ways to write a range. I'm going to configure thousands of IP addresses, too. 

I can generate the yaml file using python, but it'd be nice to just kind of incorporate some sort of 'range' function . 

I thought Jinja can do this, but I couldn't find any examples - or perhaps Jinja is meant to read not to create data for Ansible. 

https://yaml.org/YAML_for_ruby.html#ranges 

Ruby has a way to provide range in yaml.  

Any inputs are greatly appreciated. 

Thanks,

Lou

[Sumit Jaiswal]

Hi Lou,

You should be able to resolve the respective use case using Ansible loop param(https://docs.ansible.com/ansible/latest/user_guide/playbooks_loops.html).

Plz ref: https://docs.ansible.com/ansible/latest/user_guide/playbooks_loops.html#with-sequence as it talks about how you can imitate range functionality.

Regards,
Sumit Jaiswal (he/him)
Github/IRC: justjais

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[lou]

Cool. Just what I needed. Thanks Sumit!