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contrib-munin/plugins/time/ntp_pool_score_
2014-05-30 15:26:43 +03:00

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#!/bin/sh
# -*- sh -*-
: << =cut
=head1 NAME
ntp_pool_score_ - Wildcard plugin to monitor the score assigned to a server
from pool.ntp.org . This is achieved by fetching the cvs data from
http://www.pool.ntp.org/scores/IP_ADDRESS/log?limit=1 using wget.
=head1 CONFIGURATION
This is a wildcard plugin. The wildcard suffix link will be the server to be
monitored.
This plugin uses the following configuration variables:
[ntp_pool_score_*]
env.warning - score below which a warning will be triggered
env.critical - score below which the value becomes critical
=head2 DEFAULT CONFIGURATION
The default configuration is to set warning to 15 and critical to 10.
=head2 EXAMPLE WILDCARD USAGE
C<ln -s /usr/share/munin/plugins/ntp_pool_score_ /etc/munin/plugins/ntp_pool_score_SERVER_IP
...will monitor the score of the server with ip address SERVER_IP
=head1 AUTHOR
Tocho Tochev
tocho AT tochev DOT net
=head1 LICENSE
GNU General Public License, version 2
http://www.gnu.org/licenses/gpl-2.0.html
=head1 MAGIC MARKERS
#%# family=manual
=cut
target=`basename $0 | sed 's/^ntp_pool_score_//g'`
if [ "$target"x = "x" ]; then
echo "Please call using ntp_pool_score_IP" >&2
exit 1
fi
# Check if config was requested
if [ "$1" = "config" ]; then
# Configure graph
echo "graph_title NTP Pool Score for $target"
echo 'graph_args -l -25 -u 25'
echo 'graph_vlabel Score'
echo 'graph_category time'
echo "graph_info NTP Pool Score for $target"
echo "score.warning ${warning:-15}":
echo "score.critical ${critical:-10}":
echo "score.info Score for $target"
echo "score.label score"
exit 0
fi
# Get the score
# the score can be a bit outdated but do not worry about that
SCORE=$(wget "http://www.pool.ntp.org/scores/$target/log?limit=1" \
--timeout=30 -O - 2>/dev/null \
| tail -n 1 | awk -F ',' '{print $5}')
if echo "$SCORE" | grep -q '^-\?[0-9.]\+$'; then
echo "score.value $SCORE"
else
echo "score.value U"
fi