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75 lines
1.4 KiB
Bash
Executable File
75 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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: << =cut
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=head1 NAME
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file_length_ - Plugin to monitor the length of specified files
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Useful for things such as lists (white, black, user, ...).
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=head1 CONFIGURATION
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[file_length_IDENTIFIER]
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env.files FILEPATHGLOB1 FILEPATHGLOB2 ...
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env.category DEFAULTS_TO_system
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env.title OPTIONAL_TITLE
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env.logarithmic 1
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=head1 AUTHOR
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Olivier Mehani <shtrom+munin@ssji.net> (based on disk/log_sizes)
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=head1 LICENSE
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GPLv2
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=head1 MAGIC MARKERS
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#%# family=manual
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=cut
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# needs shellcheck -x /usr/share/munin/plugins/plugin.sh
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# shellcheck source=/usr/share/munin/plugins/plugin.sh
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. "$MUNIN_LIBDIR/plugins/plugin.sh"
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NAME=$(echo "$0" | sed 's/.*_//')
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TITLE=${title:-File lengths for $NAME}
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CATEGORY=${category:-system}
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FILES=${files:-/var/log/messages}
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# we want globbing to happen here
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# shellcheck disable=SC2116 disable=SC2086
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FILES=$(echo $FILES)
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if [ "$1" = "config" ] ; then
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# shellcheck disable=SC2154
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if [ "${logarithmic}" = "1" ]; then
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graph_args="-o"
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else
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graph_args="-l 0"
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fi
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cat <<EOF
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graph_title ${TITLE}
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graph_args ${graph_args} --base 1000
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graph_category ${CATEGORY}
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graph_info This graph shows the length of ${FILES}
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graph_vlabel length (lines)
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EOF
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for F in $FILES; do
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MF=$(clean_fieldname "$F")
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BF=$(basename "$F")
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echo "$MF.label ${BF}"
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done
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else
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for F in $FILES; do
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MF=$(echo "$F" | sed 's/[-\/\.]/_/g')
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echo "$MF.value $(wc -l < "$F")"
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echo "$MF.extinfo $(stat --printf="%sB\n" "$F")"
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done
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fi
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