122 lines
3.1 KiB
Bash
122 lines
3.1 KiB
Bash
#!/bin/bash
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#\
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# \_ _ _ _ _ _ _ _ _ _ _ _ _
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# #\
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# # \
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# disk usage monitoring # \
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# script # /
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# # /
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# _ _ _ _ _ _ _ _ _ _ _ _ _#/
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# /
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#/
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# **** config section ****
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#do not touch as long as you're not me
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author="david@socialnerds.org"
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version="0.1"
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giturl="git://git.aec.at/mbots.git"
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configfile="/etc/mbots/mbots.conf"
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log2stdout="1"
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logwhat="mbots_diskmon"
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file="/etc/mbots/diskmon.lst"
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# **** preflight ****
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#read configfile
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if [ -r $configfile ]; then
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source $configfile
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else
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echo "ERROR: configfile not found. terminating."
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exit 1
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fi
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#load bashlib
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if [ -d $bashlibpath ]; then
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source $bashlibpath/main
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source $bashlibpath/logengine
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log debug "preflight - logengine loaded"
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else
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echo "ERROR: bashlib not found. terminating."
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exit 1
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fi
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#check environment
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log info "**** starting disk monitoring bot ****"
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#first option triggers custom list
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if [ -z $1 ]; then
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log debug "preflight - no custom list given. using $file[default]"
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else
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file=$1
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log debug "preflight - list option given. using $file"
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fi
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# read file
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linecount="1"
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while read line; do
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#find first letter to determine if line is empty or a comment
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fletter=${line:0:1}
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#check for first letter
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if [ -z $fletter ]; then
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#skip line it's empty
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log debug "skipping line $linecount in $file: it's empty"
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elif [ $fletter = "#" ]; then
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#skip line it's a comment
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log debug "skipping line $linecount in $file: it's a comment"
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else
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#read line
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log debug "reading line $linecount in $file"
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#getting values
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disk=$(echo $line | awk '{print $1}')
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th1=$(echo $line | awk '{print $2}')
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#if threshold2 not given set th2 eq th1
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th2=$(echo $line | awk '{print $3}')
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if [ -z $th2 ]; then
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th2=$th1
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fi
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devstring=$(blkid | grep $disk | awk '{print $1}')
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uuidstring=$(blkid | grep $disk | awk '{print $2}')
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devname=$(echo ${devstring::$((${#devstring}-1))})
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uuid=$(echo ${uuidstring:6:$((${#uuidstring}-7))})
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#getting diskusage
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diskusage=$(df -hP --sync | grep $devname | awk '{print $5}')
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diskusage=$(echo ${diskusage::$((${#diskusage}-1))})
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if [ $diskusage -gt $th2 ]; then
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#error, reached threshold2
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log error "$devname uses $diskusage% of disk space (warn: $th1%, err: $th2%)"
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elif [ $diskusage -gt $th1 ]; then
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#warning, reached threshold1
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log warning "$devname uses $diskusage% of disk space (warn: $th1%, err: $th2%)"
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else
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#info, everything ok
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log info "$devname is at $diskusage% (warn: $th1%, err: $th2%)"
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fi
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fi
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#linecount +1
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let linecount++
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#source file to read (diskmon.lst)
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done < $file
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#battlestar galactica fun section :-)
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log debug "adama: what do you hear starbuck?"
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log debug "kara: nothin' but the rain sir!"
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log info "**** disk monitoring bot finished ****"
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# **** end of script ****
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