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obsolete old tool
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Chriz 2022-12-25 22:35:58 +01:00 committed by GitHub
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#! /bin/sh
AUFRUF=$(echo "Aufruf: $0 <test|echt> <Poolfilter> <Anz. Behalte> [Snapshotfilter]")
if [ "$3" = "" ]
then
echo $AUFRUF
exit 0
fi
TESTECHT="$1"
#Mit der Filter Variable kannst du die Liste der datasets beschränken für die die Snaps gelöscht werden sollen.
FILTER="$2"
# Wieviele behalten
BEHALTE="$3"
[ $BEHALTE -ge 0 ] 2>/dev/null
if [ "$?" != "0" ]
then
echo "Parameter 3 keine pos. Zahl"
echo "$AUFRUF"
exit 0
fi
# Snapshots nach Muster Filtern
MUSTER="$4"
PruneZFSList=$(zfs list -o name -H| grep $FILTER)
echo "# Gegrepte Datasets"
zfs list | grep -e $FILTER -e NAME
echo ""
for DATASET in $PruneZFSList
do
echo "# Dataset: $DATASET"
echo "# Muster: $MUSTER"
if [ "$MUSTER" = "" ]
then
SNAPS=$(zfs list -r -t snap -H -o name -s creation|grep "${DATASET}@")
else
SNAPS=$(zfs list -r -t snap -H -o name -s creation|grep "${DATASET}@"|grep $MUSTER)
fi
ANZSNAPS=$(echo $SNAPS|wc -w)
echo "# Anzahl Snaps: $ANZSNAPS"
echo "# Behalte: $BEHALTE"
echo "# Liste Snaps:"
echo "$SNAPS"
DELSNAPS=$((ANZSNAPS - BEHALTE))
[ $DELSNAPS -gt 0 ] 2>/dev/null
if [ "$?" != "0" ]
then
echo "Keine Snapshots zum löschen"
echo ""
continue
fi
echo "# Anzahl Del. Snaps: $DELSNAPS"
echo "# Liste Del. Snaps:"
echo "$SNAPS" | head -n $DELSNAPS
echo "# Behalte Snaps:"
echo "$SNAPS" | tail -n $BEHALTE
if [ $DELSNAPS -gt 0 ]
then
if [ "$TESTECHT" = "echt" ]
then
echo "# zfs destroy wird ausgeführt"
echo "$SNAPS" | head -n $DELSNAPS | xargs -n 1 zfs destroy -v
echo "# Liste nach zfs destroy"
if [ "$MUSTER" = "" ]
then
zfs list -r -t snap -o name -s creation|grep "${DATASET}@"
else
zfs list -r -t snap -o name -s creation|grep "${DATASET}@"|grep $MUSTER
fi
else
echo "# Test - folgende zfs destroys würden ausgführt"
echo "$SNAPS" | head -n $DELSNAPS | xargs -n 1 zfs get -H creation
echo "$SNAPS" | head -n $DELSNAPS | xargs -n 1 echo ">>" zfs destroy -v
fi
fi
echo ""
done