src/ceph/qa/workunits/rbd/kernel.sh

   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