101 lines
2.1 KiB
Bash
Executable File
101 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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: <<=cut
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=head1 NAME
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nullmailer_queue - monitor for nullmailer's send queue.
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=head1 APPLICABLE SYSTEMS
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This plugin is applicable to any system running the nullmailer MTA.
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=head1 CONFIGURATION
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This plugin needs to be able to read the nullmailer queue, so it
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will need to run as that user or root.
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Additionally, the nullmailer queue directory may vary; in that case you
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can specify it with the "queuedir" and "errordir" environment variables.
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To add extra warning or critical thresholds set queue_warning,
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failed_critical etc.
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Example:
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[nullmailer_queue]
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user nullmail
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env.queuedir /var/spool/nullmailer/queue
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env.errordir /var/spool/nullmailer/failed
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env.queue_warning 10
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=head1 INTERPRETATION
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This plugin will draw a stack of 2: the number of emails in the queue, and
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the number of emails that have permanently failed sending. The latter has
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a warning attached by default, since those should never happen.
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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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1.0.0
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=head1 AUTHOR
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Bert Peters <bert@bertptrs.nl>
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=head1 LICENSE
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GPLv2
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=cut
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. "$MUNIN_LIBDIR/plugins/plugin.sh"
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queuedir=${queuedir:-/var/spool/nullmailer/queue}
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errordir=${errordir:-/var/spool/nullmailer/failed}
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failed_warning=${failed_warning:-0:0}
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case $1 in
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autoconf)
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if command -v nullmailer-queue >/dev/null 2>/dev/null; then
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[ -r "$queuedir" ] && echo yes || echo "no (queue dir not readable)"
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else
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echo "no (nullmailer not installed)"
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fi
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;;
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config)
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cat <<-EOF
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graph_args -l 0
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graph_title Nullmailer queue
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graph_vlabel emails
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graph_total total
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graph_category mail
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queue.label queued
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queue.draw AREASTACK
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queue.info Number of emails currently in the queue
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failed.label failed
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failed.draw AREASTACK
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failed.info Number of emails that have permanently failed to send
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EOF
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print_warning queue
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print_critical queue
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print_warning failed
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print_critical failed
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;;
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*)
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echo "queue.value $(find "$queuedir" -type f | wc -l)"
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# Failed does not exist until there has been a failure, so mute the "file not found"
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echo "failed.value $(find "$errordir" -type f 2> /dev/null | wc -l)"
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;;
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esac
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