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https://github.com/munin-monitoring/contrib.git
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323f69fd86
previously only stat_file would only be used for data cleanup not for fetching the data. also fixed some shellcheck warnings.
93 lines
2.2 KiB
Bash
Executable file
93 lines
2.2 KiB
Bash
Executable file
#!/bin/bash
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#
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# Plugin to monitor Bind9 Name Server Resolver 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="Resolver 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 with /}
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label=${label//</below}
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label=${label//>/above}
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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=${name//queries with /}
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label=${label//</below}
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label=${label//>/above}
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# All lowercase.
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label=$(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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