show configuration | display commit-scripts
On Thu, Apr 26, 2012 at 7:53 AM, Benny Amorsen <benny+use...@amorsen.dk> wrote:
> Is it possible to somehow get the committed configuration as it looked
> after commit-scripts were applied? I do not want the commit-scripts
> re-run, I simply want to fetch the configuration as it was after all
> scripts were run and the commit succeeded.
>
> To explain why I need to do this, it is necessary to go back to the unit
> ID problem I posted about earlier.
>
> To reiterate, the challenge is to generate unit ID's for a bunch of
> q-in-q interfaces like this:
>
> unit 5239 {
> encapsulation vlan-ccc;
> vlan-tags outer 1559 inner 3;
> input-vlan-map pop-pop;
> output-vlan-map push-push;
> }
>
> I solved it, or so I thought, by keeping all configuration in
> apply-macros, like this:
>
> apply-macro eompls-1001089 {
> inner 3;
> interface ge-1/0/4;
> outer 1559;
> }
>
> which then generates the above q-in-q interface as a transient-change.
> The unit ID is simply the position of the apply-macro in the
> configuration file + 5000, so this particular apply-macro happens to be
> the 239th apply-macro.
>
> It all works really well, in general. Except I had not considered what
> happens if you remove an apply-macro. All is well if you remove the last
> apply-macro, but if you happen to remove one of the first ones, every
> interface below changes unit ID. The MX80 was less than happy about
> hundreds of interfaces being torn down and rebuilt...
>
> At this point it is tempting to give up on that design and "simply" add a
> unit ID to the provisioning database and to the apply-macro. Keeping
> them consistent is no fun at all.
>
> However, I would like to give the dynamic ID's one more chance. If it is
> possible to find out which unit ID the previous commit used for a
> particular apply-macro, I can then reuse that unit ID. Since all the
> changes my commit script does are transient, this seems to be a
> challenging task.
>
> Any help is really appreciated!
>
>
> /Benny
>
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