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Update zfs-killmonth-snaps.sh

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kneutron 2021-06-03 20:26:13 -05:00 committed by GitHub
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commit 784ac8dfa2
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1 changed files with 15 additions and 7 deletions
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ZFS/zfs-killmonth-snaps.sh
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@ -1,16 +1,23 @@
#!/bin/bash
# Tested with Ubuntu
# 2020.1005 mod for auto-month
# 2014-2021 Dave Bechtel
# test for interactive shell / OK to ask for input
intera=1
[ `echo $- |grep i |wc -l` -gt 0 ] && intera=0
[ $(echo $- |grep i |wc -l) -gt 0 ] && intera=0
# TODO comment if you want auto
#mymonth=Mar
outfile=/tmp/zfs-killmonth-tmp.txt
source ~/bin/failexit.mrg
#source ~/bin/failexit.mrg
# failexit.mrg
function failexit () {
echo '! Something failed! Code: '"$1 $2" # code # (and optional description)
exit $1
}
#zfs-list-snaps--boojum.sh |grep virtb |grep Jan |awk '{print $1}' |xargs -n1 -t zfs-killsnaps.sh
@ -27,18 +34,19 @@ pmonth=$(date --date="$(date +%Y-%m-15) -2 month" |awk '{print $2}')
# sanity check for valid month
validmo="Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec"
sanity=`echo $validmo |grep -c $mymonth` # will NOT allow "July", only 3-letter
sanity=$(echo $validmo |grep -c $mymonth) # will NOT allow "July", only 3-letter
if [ $sanity -eq 0 ]; then
failexit 12 "! Invalid month specified: $mymonth"
fi
echo "`date` - DF before:" > $outfile
echo "$(date) - DF before:" > $outfile
df -h -T |head -n 1 >> $outfile
df -h -T |grep zfs >> $outfile
# could use more error checking if $mymonth = 0 lines...
numlines=`zfs-list-snaps--boojum.sh |grep $mymonth |wc -l`
# NOTE requires another script in PATH
numlines=$(zfs-list-snaps--boojum.sh |grep $mymonth |wc -l)
if [ $numlines -gt 0 ]; then
echo "o KILLING THESE SNAPSHOTS:" >> $outfile
zfs-list-snaps--boojum.sh |grep $mymonth >> $outfile # full dump of snapshots to delete
@ -49,13 +57,13 @@ else
failexit 101 "No $mymonth snapshots found to kill!"
fi
# killzem
# killzem - NOTE requires another script in PATH
zfs-list-snaps--boojum.sh |grep $mymonth |awk '{print $1}' |xargs -n1 -t zfs-killsnaps.sh
# review
[ $intera -gt 0 ] && zfs-list-snaps--boojum.sh |less
echo "`date` - DF after:" >> $outfile
echo "$(date) - DF after:" >> $outfile
#df -h >> $outfile
df -h -T |head -n 1 >> $outfile
df -h -T |grep zfs >> $outfile