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lights - DNSSEC-Tools Rollover Overview GUI Display
lights gives a very simple overview of the rollover status of a set of zones. The
rollover status counts are given in a "traffic light" display. In contrast, blinkenlights
gives a detailed display of the roll status of a set of zones. lights gives very little
control over rollerd, the way blinkenlights does. lights can halt rollerd's execution
The rollover status is retrieved in one of two ways. By default, rollerd is contacted via
the rollctl command. Alternately, if the -rrf option is given, then zone status is read
directly from a rollrec file. The default method gets the status directly from rollerd
and the user need not know the location of the relevant rollrec file. However, that
method will not get zone status until rollerd is available to respond to the information
request. Consequently, the alternate method allows lights to bypass communicating with
rollerd and not having to wait for rollerd to be available.
A window is created that has three colored sections - green, yellow, and red. The green
section displays a count of those zones that are in "normal" status; that is, they are not
in rollover. The yellow section displays a count of those zones that are in rollover.
The red section displays a count of those zones that are in need of attention. A common
cause for this last state is because a zone is in phase 5 of KSK rollover and is waiting
for its parent zone to publish the child's new DS record.
Clicking on the color rows in the main window will bring up a dialog box that lists the
zones in that state. This list will not automatically update as zones change rollover
lights supports the following options.
Interval between checks of zone rollover status By default, wait-time is given in
minutes. This can be adjusted by specifying one of the following time-unit suffixes.
* s - seconds
* m - minutes
* h - hours
* -interval 24 - 24 minutes
* -interval 24s - 24 seconds
* -interval 24m - 24 minutes
* -interval 24h - 24 hours
A rollrec file to be read for zone status.
Labels will be given for each color field in the GUI.
Give verbose output.
Give a usage message and exit.
Displays the version information for lights and the DNSSEC-Tools package.
lights is implemented in Perl/Tk, so both Perl and Perl/Tk must be installed on your
The following are known issues. These will be resolved in the fullness of time.
· Resizing the window leaves the color blobs in their original size. This is an issue
with the Tk widget used to display the color stripes. Other display methods are being
Copyright 2010-2014 SPARTA, Inc. All rights reserved. See the COPYING file included with
the DNSSEC-Tools package for details.
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