mirror of
https://github.com/munin-monitoring/contrib.git
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136 lines
2.8 KiB
Bash
Executable File
136 lines
2.8 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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postfix_stats - Munin plugin to monitor postfix statistics.
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=head1 APPLICABLE SYSTEMS
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Any system where pflogsumm script can be executed.
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=head1 CONFIGURATION
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There is no default configuration. This is an example config for Ubuntu:
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[postfix_stats]
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env.logfiles /var/log/syslog /var/log/syslog.1
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env.pflogsumm pflogsumm
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env.logfiles contains space separated syslog logfiles, usually current log
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and previous log. You can add more log files if you want, but this may
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increase the time required for analysis.
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env.pflogsumm The "pflogsumm" script, can be pflogsumm.pl if it was manually
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downloaded and installed, or "pflogsumm" if it was installed by a package
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manager (like apt-get).
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=head1 INTERPRETATION
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This plugin displays the messages: received, delivered, rejected...
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Average per minute is made and it shows the total message count.
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It is useful to know the load and messages being processed.
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=head1 MAGIC MARKERS
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#%# family=auto
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#%# capabilities=autoconf
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=head1 VERSION
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0.2 plugin completely rewritten
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0.1 first release.
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=head1 BUGS
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None known
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=head1 AUTHOR
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Originally: David Obando (david@cryptix.de)
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Modified by: github.com/cristiandeluxe
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Thanks to: sumpfralle
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=head1 LICENSE
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GPLv2
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=cut
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#set -xv
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SYS_LOG="${logfiles:-/var/log/syslog /var/log/syslog.0}"
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# shellcheck disable=SC2154
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PFLOGSUMM="${pflogsum}"
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[ -z "$PFLOGSUMM" ] && PFLOGSUMM="$(which pflogsumm pflogsumm.pl | head -1)"
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# Fields (Array to avoid code duplication) must be space separated
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FIELDS_ARR="received delivered forwarded deferred bounced rejected held discarded"
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#
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# Autoconf Section
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#
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if [ "$1" = 'autoconf' ]; then
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# Check if pflogsumm exist
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if [ -z "${PFLOGSUMM}" ]
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then
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echo 'no (pflogsum not found in your system)'
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else
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echo 'yes'
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fi
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exit 0
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fi
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#
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# Config Section
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#
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if [ "$1" = 'config' ]; then
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echo 'graph_title Postfix statistics'
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echo 'graph_vlabel Postfix statistics'
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echo 'graph_category mail'
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echo 'graph_scale no'
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echo 'graph_period minute'
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echo 'graph_total Total'
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# Generate config for each field
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for i in $FIELDS_ARR; do
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echo "${i}.label ${i}"
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echo "${i}.type DERIVE"
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echo "${i}.min 0"
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echo "${i}.draw AREASTACK"
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done
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exit 0
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fi
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#
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# Plugin Script
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#
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# Variable to store the pflogsumm result.
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# shellcheck disable=SC2086
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TMP_RAW=$("${PFLOGSUMM}" -d today --detail 0 --zero-fill ${SYS_LOG})
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# Parse value from Raw result
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#
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# Return digit if regex are parsed correctly
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#
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# Return U (undefined) if any error occurs
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#
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parseValue() {
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# shellcheck disable=SC2155
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local TMP_RETURN=$(echo "${TMP_RAW}" | grep -Ei "^[[:space:]]+[[:digit:]]+[[:space:]]+${1}.*$" | grep -oEi '[[:digit:]]+[[:space:]]+' | head -n 1 | sed 's: ::g')
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if [ -z "${TMP_RETURN}" ]; then
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echo 'U'
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else
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echo "${TMP_RETURN}"
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fi
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}
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# Print results
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for i in $FIELDS_ARR; do
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printf "%s.value " "${i}"
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parseValue "${i}"
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done
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