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Merge pull request #987 from shtrom/file_length_

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[file_length_] Generic plugin to monitor the number of lines (or variation thereof) of arbitrary files
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Lars Kruse 2019-06-25 20:51:02 +02:00 • committed by GitHub
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1 changed files with 12 additions and 3 deletions
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15
plugins/system/file_length_
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@ -8,13 +8,17 @@ file_length_ - Plugin to monitor the length of specified files
Useful for things such as lists (white, black, user, ...).
The type of metric defaults to GAUGE, but it can be configured to, say, DERIVE,
which is useful for monitoring the rate of message in error logs.
=head1 CONFIGURATION
[file_length_IDENTIFIER]
env.files FILEPATHGLOB1 FILEPATHGLOB2 ...
env.category DEFAULTS_TO_system
env.category system
env.title OPTIONAL_TITLE
env.logarithmic 1
env.type GAUGE
=head1 AUTHOR
@ -22,7 +26,7 @@ Olivier Mehani <shtrom+munin@ssji.net> (based on disk/log_sizes)
=head1 LICENSE
GPLv2
SPDX-License-Identifier: GPL-2.0-only
=head1 MAGIC MARKERS
@ -43,6 +47,7 @@ FILES=${files:-/var/log/messages}
# shellcheck disable=SC2116 disable=SC2086
FILES=$(echo $FILES)
TYPE=${type:-GAUGE}
if [ "$1" = "config" ] ; then
# shellcheck disable=SC2154
@ -63,12 +68,16 @@ EOF
MF=$(clean_fieldname "$F")
BF=$(basename "$F")
echo "$MF.label ${BF}"
echo "$MF.type ${TYPE}"
done
else
HAS_GNU_STAT=$(stat --help | grep GNU)
for F in $FILES; do
MF=$(echo "$F" | sed 's/[-\/\.]/_/g')
echo "$MF.value $(wc -l < "$F")"
echo "$MF.extinfo $(stat --printf="%sB\n" "$F")"
if [ -n "${HAS_GNU_STAT}" ]; then
echo "$MF.extinfo $(stat --printf="%sB\n" "$F")"
fi
done
fi