diff options
Diffstat (limited to 'sbin')
| -rwxr-xr-x | sbin/fswarn | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sbin/fswarn b/sbin/fswarn new file mode 100755 index 0000000..82fe6df --- /dev/null +++ b/sbin/fswarn @@ -0,0 +1,42 @@ +#!/bin/sh +# statf() warning system intended for use with cron + +#set -x + +if ! grep -q /usr/bin/lckdo /proc/$PPID/cmdline; then + exec /usr/bin/lckdo /run/fswarn $0 "$@"; +fi + +THRESHOLD=90 +STATEFILE=/var/lib/fswarn/state + +[ -s /etc/default/fswarn ] && . /etc/default/fswarn + +trap 'rm ${STATETEMP}' EXIT +STATETEMP=$(mktemp fswarn.XXXXXXXX) + +for i in $( grep -E ' ('$( for FSTYPE in $( grep -v ^nodev /proc/filesystems ); do echo -n "$FSTYPE|"; done; echo -n "ramfs|tmpfs" )') ' /proc/mounts | cut -f 2 -d ' ' | sort -u ); do + BLOCKFREE=$( stat -f -c %a $i ) + BLOCKTOTAL=$( stat -f -c %b $i ) + BLOCKALLOC=$(( ${BLOCKTOTAL} - ${BLOCKFREE} )) + BLOCKPERCENT=$(( 100 * ${BLOCKALLOC} / ${BLOCKTOTAL} )) + BLOCKOLDPERCENT=$( grep "^${i} " ${STATEFILE} | cut -f 4 -d ' ' | grep . ) 2>/dev/null || BLOCKOLDPERCENT=0 + if [ ${BLOCKPERCENT} -gt ${BLOCKOLDPERCENT} ] && [ ${BLOCKPERCENT} -gt ${THRESHOLD} ] ; then + echo "WARNING: $i is at %${BLOCKPERCENT} block utilization!" > /dev/stderr + fi + echo -n "$i ${BLOCKALLOC} ${BLOCKTOTAL} ${BLOCKPERCENT}" + INODEFREE=$( stat -f -c %d $i ) + INODETOTAL=$( stat -f -c %c $i ) + if [ $INODETOTAL -gt 0 ]; then + INODEALLOC=$(( ${INODETOTAL} - ${INODEFREE} )) + INODEPERCENT=$(( 100 * ${INODEALLOC} / ${INODETOTAL} )) + INODEOLDPERCENT=$( grep "^${i} " ${STATEFILE} | cut -f 7 -d ' ' | grep . ) 2>/dev/null || INODEOLDPERCENT=0 + if [ ${INODEPERCENT} -gt ${INODEOLDPERCENT} ] && [ ${INODEPERCENT} -gt ${THRESHOLD} ] ; then + echo "WARNING: $i is at %${INODEPERCENT} inode utilization!" > /dev/stderr + fi + echo -n " ${INODEALLOC} ${INODETOTAL} ${INODEPERCENT}" + fi + echo +done > ${STATETEMP} +cp ${STATETEMP} ${STATEFILE} + |