projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | #!/bin/bash -ex |
| 2 | ||
| 3 | CEPH_SECRET_FILE=${CEPH_SECRET_FILE:-} | |
| 4 | CEPH_ID=${CEPH_ID:-admin} | |
| 5 | SECRET_ARGS='' | |
| 6 | if [ ! -z $CEPH_SECRET_FILE ]; then | |
| 7 | SECRET_ARGS="--secret $CEPH_SECRET_FILE" | |
| 8 | fi | |
| 9 | ||
| 10 | TMP_FILES="/tmp/img1 /tmp/img1.small /tmp/img1.snap1 /tmp/img1.export /tmp/img1.trunc" | |
| 11 | ||
| 12 | function get_device_dir { | |
| 13 | local POOL=$1 | |
| 14 | local IMAGE=$2 | |
| 15 | local SNAP=$3 | |
| 16 | rbd showmapped | tail -n +2 | egrep "\s+$POOL\s+$IMAGE\s+$SNAP\s+" | awk '{print $1;}' | |
| 17 | } | |
| 18 | ||
| 19 | function clean_up { | |
| 20 | [ -e /dev/rbd/rbd/testimg1@snap1 ] && | |
| 21 | sudo rbd unmap /dev/rbd/rbd/testimg1@snap1 | |
| 22 | if [ -e /dev/rbd/rbd/testimg1 ]; then | |
| 23 | sudo rbd unmap /dev/rbd/rbd/testimg1 | |
| 24 | rbd snap purge testimg1 || true | |
| 25 | fi | |
| 26 | rbd ls | grep testimg1 > /dev/null && rbd rm testimg1 || true | |
| 27 | sudo rm -f $TMP_FILES | |
| 28 | } | |
| 29 | ||
| 30 | clean_up | |
| 31 | ||
| 32 | trap clean_up INT TERM EXIT | |
| 33 | ||
| 34 | # create an image | |
| 35 | dd if=/bin/sh of=/tmp/img1 bs=1k count=1 seek=10 | |
| 36 | dd if=/bin/dd of=/tmp/img1 bs=1k count=10 seek=100 | |
| 37 | dd if=/bin/rm of=/tmp/img1 bs=1k count=100 seek=1000 | |
| 38 | dd if=/bin/ls of=/tmp/img1 bs=1k seek=10000 | |
| 39 | dd if=/bin/ln of=/tmp/img1 bs=1k seek=100000 | |
| 40 | dd if=/dev/zero of=/tmp/img1 count=0 seek=150000 | |
| 41 | ||
| 42 | # import | |
| 43 | rbd import /tmp/img1 testimg1 | |
| 44 | sudo rbd map testimg1 --user $CEPH_ID $SECRET_ARGS | |
| 45 | ||
| 46 | DEV_ID1=$(get_device_dir rbd testimg1 -) | |
| 47 | echo "dev_id1 = $DEV_ID1" | |
| 48 | cat /sys/bus/rbd/devices/$DEV_ID1/size | |
| 49 | cat /sys/bus/rbd/devices/$DEV_ID1/size | grep 76800000 | |
| 50 | ||
| 51 | sudo dd if=/dev/rbd/rbd/testimg1 of=/tmp/img1.export | |
| 52 | cmp /tmp/img1 /tmp/img1.export | |
| 53 | ||
| 54 | # snapshot | |
| 55 | rbd snap create testimg1 --snap=snap1 | |
| 56 | sudo rbd map --snap=snap1 testimg1 --user $CEPH_ID $SECRET_ARGS | |
| 57 | ||
| 58 | DEV_ID2=$(get_device_dir rbd testimg1 snap1) | |
| 59 | cat /sys/bus/rbd/devices/$DEV_ID2/size | grep 76800000 | |
| 60 | ||
| 61 | sudo dd if=/dev/rbd/rbd/testimg1@snap1 of=/tmp/img1.snap1 | |
| 62 | cmp /tmp/img1 /tmp/img1.snap1 | |
| 63 | ||
| 64 | # resize | |
| 65 | rbd resize testimg1 --size=40 --allow-shrink | |
| 66 | cat /sys/bus/rbd/devices/$DEV_ID1/size | grep 41943040 | |
| 67 | cat /sys/bus/rbd/devices/$DEV_ID2/size | grep 76800000 | |
| 68 | ||
| 69 | sudo dd if=/dev/rbd/rbd/testimg1 of=/tmp/img1.small | |
| 70 | cp /tmp/img1 /tmp/img1.trunc | |
| 71 | truncate -s 41943040 /tmp/img1.trunc | |
| 72 | cmp /tmp/img1.trunc /tmp/img1.small | |
| 73 | ||
| 74 | # rollback and check data again | |
| 75 | rbd snap rollback --snap=snap1 testimg1 | |
| 76 | cat /sys/bus/rbd/devices/$DEV_ID1/size | grep 76800000 | |
| 77 | cat /sys/bus/rbd/devices/$DEV_ID2/size | grep 76800000 | |
| 78 | sudo rm -f /tmp/img1.snap1 /tmp/img1.export | |
| 79 | ||
| 80 | sudo dd if=/dev/rbd/rbd/testimg1@snap1 of=/tmp/img1.snap1 | |
| 81 | cmp /tmp/img1 /tmp/img1.snap1 | |
| 82 | sudo dd if=/dev/rbd/rbd/testimg1 of=/tmp/img1.export | |
| 83 | cmp /tmp/img1 /tmp/img1.export | |
| 84 | ||
| 85 | # remove snapshot and detect error from mapped snapshot | |
| 86 | rbd snap rm --snap=snap1 testimg1 | |
| 87 | sudo dd if=/dev/rbd/rbd/testimg1@snap1 of=/tmp/img1.snap1 2>&1 | grep 'Input/output error' | |
| 88 | ||
| 89 | echo OK |