mirror of
https://github.com/ceph/ceph
synced 2024-12-25 04:43:17 +00:00
3aae140353
"rbd snap rollback" expects an unlocked image, but we may get there locked if object map is enabled (or if lock_on_read is specified in rbd_default_map_options). Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
101 lines
2.9 KiB
Bash
Executable File
101 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -ex
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CEPH_SECRET_FILE=${CEPH_SECRET_FILE:-}
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CEPH_ID=${CEPH_ID:-admin}
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SECRET_ARGS=''
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if [ ! -z $CEPH_SECRET_FILE ]; then
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SECRET_ARGS="--secret $CEPH_SECRET_FILE"
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fi
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TMP_FILES="/tmp/img1 /tmp/img1.small /tmp/img1.snap1 /tmp/img1.export /tmp/img1.trunc"
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function expect_false() {
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if "$@"; then return 1; else return 0; fi
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}
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function get_device_dir {
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local POOL=$1
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local IMAGE=$2
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local SNAP=$3
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rbd device list | tail -n +2 | egrep "\s+$POOL\s+$IMAGE\s+$SNAP\s+" |
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awk '{print $1;}'
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}
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function clean_up {
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[ -e /dev/rbd/rbd/testimg1@snap1 ] &&
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sudo rbd device unmap /dev/rbd/rbd/testimg1@snap1
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if [ -e /dev/rbd/rbd/testimg1 ]; then
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sudo rbd device unmap /dev/rbd/rbd/testimg1
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rbd snap purge testimg1 || true
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fi
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rbd ls | grep testimg1 > /dev/null && rbd rm testimg1 || true
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sudo rm -f $TMP_FILES
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}
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clean_up
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trap clean_up INT TERM EXIT
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# create an image
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dd if=/bin/sh of=/tmp/img1 bs=1k count=1 seek=10
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dd if=/bin/dd of=/tmp/img1 bs=1k count=10 seek=100
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dd if=/bin/rm of=/tmp/img1 bs=1k count=100 seek=1000
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dd if=/bin/ls of=/tmp/img1 bs=1k seek=10000
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dd if=/bin/ln of=/tmp/img1 bs=1k seek=100000
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dd if=/dev/zero of=/tmp/img1 count=0 seek=150000
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# import
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rbd import /tmp/img1 testimg1
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sudo rbd device map testimg1 --user $CEPH_ID $SECRET_ARGS
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DEV_ID1=$(get_device_dir rbd testimg1 -)
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echo "dev_id1 = $DEV_ID1"
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cat /sys/bus/rbd/devices/$DEV_ID1/size
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cat /sys/bus/rbd/devices/$DEV_ID1/size | grep 76800000
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sudo dd if=/dev/rbd/rbd/testimg1 of=/tmp/img1.export
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cmp /tmp/img1 /tmp/img1.export
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# snapshot
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rbd snap create testimg1 --snap=snap1
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sudo rbd device map --snap=snap1 testimg1 --user $CEPH_ID $SECRET_ARGS
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DEV_ID2=$(get_device_dir rbd testimg1 snap1)
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cat /sys/bus/rbd/devices/$DEV_ID2/size | grep 76800000
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sudo dd if=/dev/rbd/rbd/testimg1@snap1 of=/tmp/img1.snap1
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cmp /tmp/img1 /tmp/img1.snap1
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# resize
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rbd resize testimg1 --size=40 --allow-shrink
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cat /sys/bus/rbd/devices/$DEV_ID1/size | grep 41943040
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cat /sys/bus/rbd/devices/$DEV_ID2/size | grep 76800000
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sudo dd if=/dev/rbd/rbd/testimg1 of=/tmp/img1.small
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cp /tmp/img1 /tmp/img1.trunc
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truncate -s 41943040 /tmp/img1.trunc
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cmp /tmp/img1.trunc /tmp/img1.small
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# rollback expects an unlocked image
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# (acquire and) release the lock as a side effect
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rbd bench --io-type read --io-size 1 --io-threads 1 --io-total 1 testimg1
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# rollback and check data again
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rbd snap rollback --snap=snap1 testimg1
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cat /sys/bus/rbd/devices/$DEV_ID1/size | grep 76800000
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cat /sys/bus/rbd/devices/$DEV_ID2/size | grep 76800000
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sudo rm -f /tmp/img1.snap1 /tmp/img1.export
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sudo dd if=/dev/rbd/rbd/testimg1@snap1 of=/tmp/img1.snap1
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cmp /tmp/img1 /tmp/img1.snap1
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sudo dd if=/dev/rbd/rbd/testimg1 of=/tmp/img1.export
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cmp /tmp/img1 /tmp/img1.export
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# zeros are returned if an image or a snapshot is removed
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expect_false cmp -n 76800000 /dev/rbd/rbd/testimg1@snap1 /dev/zero
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rbd snap rm --snap=snap1 testimg1
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cmp -n 76800000 /dev/rbd/rbd/testimg1@snap1 /dev/zero
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echo OK
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