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