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Diffstat (limited to 'abs/core/linhes-scripts/diskspace.sh')
-rwxr-xr-x | abs/core/linhes-scripts/diskspace.sh | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/abs/core/linhes-scripts/diskspace.sh b/abs/core/linhes-scripts/diskspace.sh new file mode 100755 index 0000000..2173c6e --- /dev/null +++ b/abs/core/linhes-scripts/diskspace.sh @@ -0,0 +1,81 @@ +#!/bin/sh +### Monitor free disk space +# Display alert if the free percentage of space is >= $ALERT + +# +# Static Config Variables +# +ALERT=90 # free space percentage to trigger an alert + +# +# Static Binary Paths +# +DF='/bin/df' +GREP='/bin/grep' +AWK='/bin/awk' +CUT='/bin/cut' +HOSTNAME='/bin/hostname' +DATE='/bin/date' +OSD_CAT='/usr/bin/osd_cat' +export DISPLAY=:0.0 +# +# Static System Variables +# +THIS_HOST=`${HOSTNAME}` + +# +# Check CLI Options +# +VERBOSE=false +OSD=false +for ARG in "$@" ; do + case $ARG in + "-v") + VERBOSE=true + ;; + "-osd") + OSD=true + ;; + esac +done + +#---------------------------------------------------------------------------- +. /etc/osd_cat.cfg || { + color=yellow + outline=2 + outlinecolour=black + shadow=0 + shadowcolour=black + font="-adobe-helvetica-bold-*-*-*-34-*-*-*-*-*-*-*" +} +#---------------------------------------------------------------------------- + +[ $VERBOSE = true ] && echo "Checking free disk space on ${THIS_HOST}" +[ $VERBOSE = true ] && echo "Threshold for warning is ${ALERT}%" +[ $VERBOSE = true ] && echo "------------------------------------------------------------------" + +# Dynamic Variables +#DATE_STR=`${DATE} "+%d-%B-%y @ %H%Mhrs"` + +# Call df to find the used percentages. Grep for only local disks (not remote mounts like nfs or smb) +# Pipe the output to awk to get the needed columns, then start a while loop to process each line. +$DF -HPl | $GREP -E "^/dev/" | $AWK '{ print $5 " " $6 " " $1 }' | while read OUTPUT ; do + USED_PCENT=$(echo ${OUTPUT} | $AWK '{ print $1}' | $CUT -d'%' -f1 ) # Used space as a percentage + PARTITION=$(echo ${OUTPUT} | $AWK '{ print $2 }' ) # Mount Point (eg, /home) + DEVICE=$(echo ${OUTPUT} | $AWK '{ print $3 }' ) # Device (eg, /dev/sda1 or LABEL or UUID) + if [ $VERBOSE = true ] ; then + echo -e "Checking device ${DEVICE} which is mounted to ${PARTITION} \t${USED_PCENT}% used" + fi + if [ ${USED_PCENT} -ge $ALERT ]; then + if [ $VERBOSE = true ] ; then + echo "WARNING: ${PARTITION} (${DEVICE}) is ${USED_PCENT}% full on ${THIS_HOST}." + else + echo "WARNING: ${PARTITION} (${DEVICE}) is ${USED_PCENT}% full on ${THIS_HOST}." #| + if [ $OSD = true ] && [ ${PARTITION} = / ]; then + echo "WARNING: The root (${PARTITION}) partition is ${USED_PCENT}% full on ${THIS_HOST}." | $OSD_CAT --pos=top --offset=40 --align=center --delay=10 --color=$color --outline=$outline --outlinecolour=$outlinecolour --shadow=$shadow --shadowcolour=$shadowcolour --font=$font & + fi + fi + fi +done + +exit 0 |