[rancid] patch for Nexus 9000 'show environment power'

[heasley]

Tue, Jun 20, 2017 at 10:00:02AM +0100, Howard Jones:
> On N9K (our 9508 at least), the current power usage has decimal places.
> 
> !Env: Xb26     N9K-C9508-FM            119.00 W     250.80 W Powered-Up
> !Env: 27       N9K-SUP-B                76.00 W      79.92 W Powered-Up
> !Env: 28       N9K-SUP-B                58.00 W      79.92 W Powered-Up
> !Env: 29       N9K-SC-A                 12.00 W      25.20 W Powered-Up
> !Env: 30       N9K-SC-A                 12.00 W      25.20 W Powered-Up
> 
> I only changed the two-value clause below, since that's the one that 
> fixed my issue.
> 
> --- nxos.pm-dist    2017-06-20 09:52:44.627985639 +0100
> +++ nxos.pm    2017-06-20 09:53:37.712598200 +0100
> @@ -468,7 +468,7 @@
>   # nexus#
>       if (/(.* +)(\d+ W +\d+ W)( +\d+ W.+)/) {
>           $_ = sprintf("%s%-". length($2)."s%s\n", $1, "", $3);
> -    } elsif (/(.* +)(\d+ W)( +\d+ W.+)/) {
> +    } elsif (/(.* +)(\d+\.?\d* W)( +\d+\.?\d* W.+)/) {
>           $_ = sprintf("%s%-". length($2)."s%s\n", $1, "", $3);
>       }
> 

afaict, it is not consistent, perhaps by o/s version.  Perhaps this
instead?

Index: lib/nxos.pm.in
===================================================================
--- lib/nxos.pm.in      (revision 3660)
+++ lib/nxos.pm.in      (working copy)
@@ -421,8 +421,8 @@
 # nexus#
        if (/(.* +)(\d+ W +\d+ W)( +\d+ W.+)/) {
            $_ = sprintf("%s%-". length($2)."s%s\n", $1, "", $3);
-       } elsif (/(.* +)(\d+ W)( +\d+ W.+)/) {
-           $_ = sprintf("%s%-". length($2)."s%s\n", $1, "", $3);
+       } elsif (/(.* +)(\d+(\.\d+)? W)( +\d+(\.\d+)? W.+)/) {
+           $_ = sprintf("%s%-". length($2)."s%s\n", $1, "", $4);
        }
 
        /actual draw/ && next;  # Drop changing total power output.

Does that work?