[rancid] Nexus 7k & bootvar_debug churn

[Vinny.Abello at nttdata.com]

Hello,

We have several Nexus 7009 switches running NX-OS 7.2. We've noticed that RANCID keeps picking up updates to the files bootvar_debug.log and bootvar_debug.meta. There doesn't appear to be any way to stop these files from being modified. I found another user who saw the same behavior on Nexus 9000 series switches. Cisco states it is by design. It's worth noting that this behavior doesn't seem to happen in version 6.2 of NX-OS on the same platform. We've only noticed it on 7.2.

It would seem these files need to be ignored. Does anyone have a patch to correct this for RANCID 3.6.2?

Here's an example of the diff from what rancid is picking up.


Index: configs/cs5.wtc.qcy

===================================================================

retrieving revision 1.337

diff -u -4 -r1.337 cs5.wtc.qcy

@@ -229,10 +229,10 @@

  !Flash: bootflash:  1054 MB used

  !Flash: bootflash:   637 MB free

  !Flash: bootflash:  1692 MB total

  !

- !Flash: debug:      249932    May 24 04:12:52 2017  bootvar_debug.log

- !Flash: debug:           6    May 24 04:12:52 2017  bootvar_debug.meta

+ !Flash: debug:      250049    May 24 05:13:03 2017  bootvar_debug.log

+ !Flash: debug:           6    May 24 05:13:03 2017  bootvar_debug.meta

  !Flash: debug: Usage for debug://sup-local

  !Flash: debug:      0 MB used

  !Flash: debug:     4 MB free

  !Flash: debug:     5 MB total

Thanks!

-Vinny

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