ceph/src/spdk/test/ftl/restore.sh

   1 #!/usr/bin/env bash
   2
   3 set -e
   4
   5 testdir=$(readlink -f $(dirname $0))
   6 rootdir=$(readlink -f $testdir/../..)
   7 rpc_py=$rootdir/scripts/rpc.py
   8
   9 source $rootdir/test/common/autotest_common.sh
  10
  11 mount_dir=$(mktemp -d)
  12 device=$1
  13 uuid=$2
  14
  15 restore_kill() {
  16         if mount | grep $mount_dir; then
  17                 umount $mount_dir
  18         fi
  19         rm -rf $mount_dir
  20         rm -f $testdir/testfile.md5
  21         rm -f $testdir/config/ftl.json
  22
  23         $rpc_py delete_ftl_bdev -b nvme0
  24         killprocess $svcpid
  25         rmmod nbd || true
  26 }
  27
  28 trap "restore_kill; exit 1" SIGINT SIGTERM EXIT
  29
  30 $rootdir/test/app/bdev_svc/bdev_svc & svcpid=$!
  31 # Wait until bdev_svc starts
  32 waitforlisten $svcpid
  33
  34 if [ -n "$uuid" ]; then
  35         $rpc_py construct_ftl_bdev -b nvme0 -a $device -l 0-3 -u $uuid
  36 else
  37         $rpc_py construct_ftl_bdev -b nvme0 -a $device -l 0-3
  38 fi
  39
  40 # Load the nbd driver
  41 modprobe nbd
  42 $rpc_py start_nbd_disk nvme0 /dev/nbd0
  43 waitfornbd nbd0
  44
  45 $rpc_py save_config > $testdir/config/ftl.json
  46
  47 # Prepare the disk by creating ext4 fs and putting a file on it
  48 mkfs.ext4 -F /dev/nbd0
  49 mount /dev/nbd0 $mount_dir
  50 dd if=/dev/urandom of=$mount_dir/testfile bs=4K count=256K
  51 sync
  52 mount -o remount /dev/nbd0 $mount_dir
  53 md5sum $mount_dir/testfile > $testdir/testfile.md5
  54
  55 # Kill bdev service and start it again
  56 umount $mount_dir
  57 killprocess $svcpid
  58
  59 $rootdir/test/app/bdev_svc/bdev_svc & svcpid=$!
  60 # Wait until bdev_svc starts
  61 waitforlisten $svcpid
  62
  63 $rpc_py load_config < $testdir/config/ftl.json
  64
  65 mount /dev/nbd0 $mount_dir
  66 md5sum -c $testdir/testfile.md5
  67
  68 report_test_completion occsd_restore
  69
  70 trap - SIGINT SIGTERM EXIT
  71 restore_kill