Hello,
This use case can be achieved through the new Resource Modules (*_vlans).
The following tasks should give you an idea on how to implement it:
```
- name: Gather VLAN information as structured data
ios_facts:
gather_subset:
- '!all'
- '!min'
gather_network_resources:
- 'vlans'
- name: Store VLAN facts to host_vars
copy:
content: "{{ ansible_network_resources | to_nice_yaml }}"
dest: "{{ playbook_dir }}/host_vars/{{ inventory_hostname }}"
```
Now that you have the VLAN configuration preserved on the Ansible
controller, you can update it and feed it to a task by referencing the
`vlans` keys.
```
- name: Make VLAN config changes by updating stored facts on the
controller.
ios_vlans:
config: "{{ vlans }}"
state: merged
tags: update_config
```
Thanks!
--
Nilashish Chakraborty
Senior Software Engineer, Ansible Network
On Wed, Aug 5, 2020 at 10:56 PM Chui Hui Chiu <chiuchui...@gmail.com> wrote:
> Hello,
>
> I'm trying to do the followings for a network switch.
> (1) retrieve the current configuration of a VLAN.
> (2) preserve the current VLAN configuration on the Ansible host.
> (3) push the new configuration to the VLAN.
>
> However, the existing network modules for VLAN configuration can only push
> the new configuration and return the current configuration in a single
> module execution. For example, Module ios_vlans, junos_vlans, etc.
>
> Can I achieve what I am trying to do using any existing network modules?
> If not, I would like to enhance the existing modules to allow retrieving
> current configuration only.
>
> Thanks!
>
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