Use Jinja2 template with ios_config, and set the module parameter match:
line, which will do the job as you seek.
cheers
On Wednesday, April 26, 2017 at 6:39:48 PM UTC+5:30, John Z wrote:
>
> How do I use ios_config to delete configuration but only if it is present?
> I want ios_config to update many devices to conform to a standard template.
> It will have to delete configuration as well as add it. I don't want
> ios_config to update a device or increment the change counter if a
> device is already configured correctly.
>
> Its pretty easy to handle adding or modifying ACLs. For example the
> following task will modify the acl only if it is different or not present:
> - name:configure acl
> ios_config:
> parents: ip access-list extended jhz-test
> lines:
> - permit ip host 1.1.1.1 any log
> - permit ip host 2.2.2.2 any log
> - permit ip host 3.3.3.3 any log
> - permit ip host 4.4.4.4 any log
> - permit ip host 5.5.5.5 any log
> before: no ip access-list extended jhz-test
> match: exact
> replace: block
> provider: "{{ creds }}"
> authorize: True
>
> The obvious way to delete configuration is with a "no" command and match =
> None, but that reconfigures the device and increments the change counter
> even if the device is already configured correctly. I have tried a couple
> of other things, but nothing works.
> - name: clear acl if present
> ios_config:
> lines:
> - no ip access-list extended jhz-test
> match: non
> provider: "{{ creds }}"
> authorize: True
>
> .
>
>
>
>
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