57 lines
1.2 KiB
Plaintext
57 lines
1.2 KiB
Plaintext
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#!/bin/sh
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set -e
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SNAP_ID=$1
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SNAP_MOUNTPOINT="$2"
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if ! test -e $SNAP_MOUNTPOINT
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then
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echo "Snapshot at $SNAP_MOUNTPOINT was already removed"
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exit 0
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fi
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if ! df -T -P | egrep "${SNAP_MOUNTPOINT}\$" > /dev/null 2>&1
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then
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echo "Snapshot is not mounted. Already removed"
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rmdir "${SNAP_MOUNTPOINT}"
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exit 0
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fi
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if lsblk -r --output "NAME,MOUNTPOINT" --paths > /dev/null 2>&1
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then
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VOLNAME=`lsblk -r --output "NAME,MOUNTPOINT" --paths | egrep " ${SNAP_MOUNTPOINT}\$" | head -n 1 | tr -s " " | cut -d" " -f1`
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else
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VOLNAME=`lsblk -r --output "NAME,MOUNTPOINT" | egrep " ${SNAP_MOUNTPOINT}\$" | head -n 1 | tr -s " " | cut -d" " -f1`
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VOLNAME="/dev/mapper/$VOLNAME"
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fi
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if [ "x$VOLNAME" = x ]
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then
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echo "Could not find LVM volume for mountpoint ${SNAP_MOUNTPOINT}"
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exit 1
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fi
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if [ ! -e "$VOLNAME" ]
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then
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echo "LVM volume for mountpoint ${SNAP_MOUNTPOINT} does not exist"
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exit 1
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fi
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echo "Unmounting $VOLNAME at /mnt/urbackup_snaps/$SNAP_ID..."
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if ! umount /mnt/urbackup_snaps/$SNAP_ID
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then
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lsof | grep /mnt/urbackup_snaps/$SNAP_ID || true
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sleep 10
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umount /mnt/urbackup_snaps/$SNAP_ID
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fi
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rmdir "${SNAP_MOUNTPOINT}"
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echo "Destroying LVM snapshot $VOLNAME..."
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export LVM_SUPPRESS_FD_WARNINGS=1
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lvremove -f "$VOLNAME"
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