92 lines
2.1 KiB
Bash
Executable File
92 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Plugin to monitor Bind9 Name Server Stats
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#
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# Author:
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# Dave Fennell <dave@microtux.co.uk>
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#
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# Created:
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# 20th December 2012
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#
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# License:
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# GPLv2
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#
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# Usage:
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# Place in /etc/munin/plugins/ (or link it there using ln -s)
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#
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# change those to reflect your bind configuration (use plugin configuration)
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# stat file
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if [ "$stat_file" = "" ]; then
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stat_file="/var/cache/bind/named.stats"
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fi
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# rndc path
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if [ "$rndc" = "" ]; then
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rndc="/usr/sbin/rndc"
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fi
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# Blank the stats file (else stats are appended not replaced)
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rm ${stat_file}
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# Ask to bind to build new one
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${rndc} stats
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# The section we are looking for in the stats.
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section="Name Server Statistics"
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# Get all the lines in the section:
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# - cat the file
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# - use sed to get lines after (and excluding) the section start tag
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# - use sed to get lines up to (and excluding) the next section start tag
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# - use grep to remove any lines starting with a [
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cmd='cat "'"$stat_file"'" | sed "0,/^\+\+ '"${section}"' \+\+/d" | sed -e "/^\+\+/,\$d" | grep -v "^\["'
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# Config mode.
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if [ "$1" = "config" ]; then
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echo 'graph_args --lower-limit 0'
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echo 'graph_category dns'
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echo 'graph_info '"${section}"' for the Bind9 Name Server'
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echo 'graph_scale no'
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echo 'graph_title Bind9 '"${section}"
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echo 'graph_vlabel requests/${graph_period}'
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# Output the stat configs.
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eval "${cmd}" | while read -r num name
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do
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# Shorten some names.
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label=${name//queries resulted in /}
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label=${label// answer/}
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# All lowercase.
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label=$(echo "$label" | tr 'A-Z' 'a-z')
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# Now change names to all have no spaces.
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key=${label// /_}
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echo "${key}.label ${label}"
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echo "${key}.info ${name}"
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echo "${key}.type COUNTER"
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done
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# If dirty config capability is enabled then fall through
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# to output the data with the config information.
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if [ "${MUNIN_CAP_DIRTYCONFIG:-0}" != "1" ]; then exit 0; fi
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fi
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# Output the stats.
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eval "${cmd}" | while read -r num name
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do
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# Shorten some names.
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label=${name//queries resulted in /}
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label=${label// answer/}
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# All lowercase.
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label=$(echo "$label" | tr 'A-Z' 'a-z')
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# Now change names to all have no spaces.
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key=${label// /_}
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echo "${key}.value ${num}"
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done
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