Merge "Wipe OSD journals during host reinstall"
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commit
1a6a533bcb
@ -70,6 +70,22 @@ done
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WIPE_HDD="$pvs_to_delete $WIPE_HDD"
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WIPE_HDD="$pvs_to_delete $WIPE_HDD"
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# During host reinstalls ceph journals also require wiping, so we also gather information on
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# journal partitions. Even if this script is also called during upgrades, there was no issue
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# observed during that operation, so we skip wiping the journals during upgrades.
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JOURNAL_DISKS=""
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HOST_IN_UPGRADE=$(curl -sf http://pxecontroller:6385/v1/upgrade/$(hostname)/in_upgrade 2>/dev/null)
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# The "ceph-disk list" command works even if the ceph cluster is not operational (for example if
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# too many monitors are down) so we can grab journal info from the node, even in such scenarios.
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# As a safety measure, we also wrap the command in a timeout command; it should never take long
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# for the command to return, but if it does it's safer to just time it out after 15 seconds.
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CEPH_DISK_OUTPUT=$(timeout 15 ceph-disk list 2>/dev/null)
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if [[ $? == 0 && "$HOST_IN_UPGRADE" != "true" ]]; then
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JOURNAL_DISKS=$(echo "$CEPH_DISK_OUTPUT" | grep "ceph journal" | awk '{print $1}')
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fi
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WIPE_HDD="$JOURNAL_DISKS $WIPE_HDD"
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if [ ! $FORCE ]
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if [ ! $FORCE ]
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then
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then
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echo "This will result in the loss of all data on the hard drives and"
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echo "This will result in the loss of all data on the hard drives and"
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@ -142,6 +158,15 @@ do
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echo "Wiping $dev..."
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echo "Wiping $dev..."
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wipefs -f -a $dev
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wipefs -f -a $dev
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echo "$JOURNAL_DISKS" | grep -qw "$dev"
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if [[ $? == 0 ]]; then
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# Journal partitions require additional wiping. Based on the ceph-manage-journal.py
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# script in the integ repo (at the ceph/ceph/files/ceph-manage-journal.py location)
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# wiping 100MB of data at the beginning of the partition should be enough. We also
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# wipe 100MB at the end, just to be safe.
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dd if=/dev/zero of=$dev bs=1M count=100
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dd if=/dev/zero of=$dev bs=1M count=100 seek=$((`blockdev --getsz $dev` - 204800))
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else
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# Clearing previous GPT tables or LVM data
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# Clearing previous GPT tables or LVM data
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# Delete the first few bytes at the start and end of the partition. This is required with
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# Delete the first few bytes at the start and end of the partition. This is required with
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# GPT partitions, they save partition info at the start and the end of the block.
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# GPT partitions, they save partition info at the start and the end of the block.
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@ -149,6 +174,7 @@ do
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dd if=/dev/zero of=$dev bs=512 count=34 seek=$((`blockdev --getsz $dev` - 34))
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dd if=/dev/zero of=$dev bs=512 count=34 seek=$((`blockdev --getsz $dev` - 34))
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fi
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fi
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fi
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fi
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fi
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done
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done
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if [[ -z $WIPE_HDD ]]
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if [[ -z $WIPE_HDD ]]
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