test/testvnd.sh

   1 #!/bin/sh
   2
   3 # Shell script used to test the VNode Disk (VND) driver.
   4
   5 # The main purpose of this script is to test the ability of the driver to cope
   6 # with regular operational conditions.  It also calls the blocktest test suite
   7 # to perform I/O stress testing.  It does not aim to cover all of vndconfig(8).
   8
   9 bomb() {
  10   echo $*
  11   cd ..
  12   rm -rf $TESTDIR
  13   umount /dev/vnd1 >/dev/null 2>&1
  14   umount /dev/vnd0 >/dev/null 2>&1
  15   vndconfig -u vnd1 >/dev/null 2>&1
  16   vndconfig -u vnd0 >/dev/null 2>&1
  17   exit 1
  18 }
  19
  20 PATH=/bin:/usr/bin:/sbin:/usr/sbin
  21 export PATH
  22
  23 TESTDIR=DIR_VND
  24 export TESTDIR
  25
  26 echo -n "Test VND "
  27
  28 # We cannot run the test if vnd0 or vnd1 are in use.
  29 if vndconfig -l vnd0 >/dev/null 2>&1; then
  30   if ! vndconfig -l vnd0 2>/dev/null | grep "not in use" >/dev/null; then
  31     echo "vnd0 in use, skipping test" >&2
  32     echo "ok"
  33     exit 0
  34   else
  35     service down vnd0
  36   fi
  37 fi
  38 if vndconfig -l vnd1 >/dev/null 2>&1; then
  39   if ! vndconfig -l vnd1 2>/dev/null | grep "not in use" >/dev/null; then
  40     echo "vnd1 in use, skipping test" >&2
  41     echo "ok"
  42     exit 0
  43   else
  44     service down vnd1
  45   fi
  46 fi
  47
  48 rm -rf $TESTDIR
  49 mkdir $TESTDIR
  50 cd $TESTDIR
  51
  52 mkdir mnt0
  53 mkdir mnt1
  54
  55 # Test persisting a file inside a vnode device.
  56 dd if=/dev/zero of=image0 bs=4096 count=257 2>/dev/null || bomb "out of space?"
  57 vndconfig vnd0 image0 || bomb "unable to configure vnd0"
  58 [ "`devsize /dev/vnd0`" = 2056 ] || bomb "unexpected vnd0 device size"
  59 mkfs.mfs /dev/vnd0 || bomb "unable to mkfs vnd0"
  60 mount -t mfs /dev/vnd0 mnt0 >/dev/null || bomb "unable to mount vnd0"
  61 STRING="Hello, world!"
  62 echo "$STRING" >mnt0/TEST || bomb "unable to create file on vnd0"
  63 umount /dev/vnd0 >/dev/null || bomb "unable to unmount vnd0"
  64 [ ! -f mnt0/TEST ] || bomb "was vnd0 ever really mounted?"
  65 mount -t mfs /dev/vnd0 mnt0 >/dev/null || bomb "unable to mount vnd0"
  66 [ -f mnt0/TEST ] || bomb "test file was not saved across mounts"
  67 [ "`cat mnt0/TEST`" = "$STRING" ] || bomb "test file was corrupted"
  68 umount /dev/vnd0 >/dev/null || bomb "unable to unmount vnd0"
  69 vndconfig -u vnd0 || bomb "unable to unconfigure vnd0"
  70 vndconfig vnd1 image0 || bomb "unable to configure vnd1"
  71 mount -t mfs /dev/vnd1 mnt1 >/dev/null || bomb "unable to mount vnd1"
  72 [ "`cat mnt1/TEST`" = "$STRING" ] || bomb "test file was corrupted"
  73
  74 # Test nesting images.
  75 dd if=/dev/zero of=mnt1/image1 bs=4096 count=128 2>/dev/null || bomb "dd fail"
  76 vndconfig vnd0 mnt1/image1
  77 mkfs.mfs /dev/vnd0 || bomb "unable to mkfs vnd0"
  78 mount -t mfs /dev/vnd0 mnt0 >/dev/null || bomb "unable to mount vnd0"
  79 echo "x" >mnt0/TEST2 || bomb "unable to create file on vnd0"
  80 umount mnt1 >/dev/null 2>&1 && bomb "should not be able to unmount vnd1"
  81 umount mnt0 >/dev/null || bomb "unable to unmount vnd0"
  82 umount mnt1 >/dev/null 2>&1 && bomb "should not be able to unmount vnd1"
  83 vndconfig -u vnd0 || bomb "unable to unconfigure vnd0"
  84 cp mnt1/image1 . || bomb "unable to copy image off vnd1"
  85 umount mnt1 >/dev/null || bomb "unable to unmount vnd1"
  86 vndconfig -uS vnd1 || bomb "unable to unconfigure vnd1"
  87 vndconfig -S vnd1 ./image1
  88 mount -t mfs /dev/vnd1 mnt1 >/dev/null || bomb "unable to mount vnd1"
  89 [ -f mnt1/TEST2 ] || bomb "test file not found, VM cache broken again?"
  90 [ "`cat mnt1/TEST2`" = "x" ] || bomb "test file corrupted"
  91 umount /dev/vnd1 >/dev/null || bomb "unable to unmount vnd1"
  92 vndconfig -u /dev/vnd1 || bomb "unable to unconfigure vnd1"
  93
  94 # Test a read-only configuration.
  95 SUM=`sha1 image0`
  96 vndconfig -r vnd0 image0
  97 dd if=/dev/zero of=/dev/vnd0 bs=4096 count=1 2>/dev/null && bomb "dd succeeded"
  98 mount /dev/vnd0 mnt0 >/dev/null 2>&1 && bomb "mounting read-write should fail"
  99 mount -r /dev/vnd0 mnt0 >/dev/null || bomb "unable to mount vnd0"
 100 [ "`cat mnt0/TEST`" = "$STRING" ] || bomb "test file was corrupted"
 101 dd if=/dev/zero of=/dev/vnd0 bs=4096 count=1 2>/dev/null && bomb "dd succeeded"
 102 umount /dev/vnd0 >/dev/null
 103 vndconfig -uS vnd0
 104 [ "`sha1 image0`" = "$SUM" ] || bomb "read-only file changed"
 105
 106 # Test geometry and sub/partitions.
 107 vndconfig -c vnd0 image0 512/32/64/2 2>/dev/null && bomb "vndconfig succeeded"
 108 vndconfig -c vnd0 image0 512/32/64/1 || bomb "unable to configure vnd0"
 109 # no need for repartition: nobody is holding the device open
 110 [ "`devsize /dev/vnd0`" = 2048 ] || bomb "geometry not applied to size"
 111 partition -mf /dev/vnd0 8 81:512 81:512* 81:512 81:1+ >/dev/null
 112 partition -f /dev/vnd0p1 81:256 81:1 81:8 81:1+ >/dev/null
 113 dd if=/dev/zero of=/dev/vnd0p1s2 bs=512 count=8 2>/dev/null || bomb "dd failed"
 114 dd if=/dev/zero of=/dev/vnd0p1s2 bs=512 count=9 2>/dev/null && bomb "dd nofail"
 115 mkfs.mfs /dev/vnd0p0 || bomb "unable to mkfs vnd0p1s3"
 116 mkfs.mfs /dev/vnd0p1s3 || bomb "unable to mkfs vnd0p1s3"
 117 mount /dev/vnd0p0 mnt0 >/dev/null || bomb "unable to mount vnd0p0"
 118 mount /dev/vnd0p1s3 mnt1 >/dev/null || bomb "unable to mount vnd0p1s3"
 119 umount /dev/vnd0p0 >/dev/null || bomb "unable to unmount vnd0p0"
 120 umount mnt1 >/dev/null || bomb "unable to unmount vnd0p1s3"
 121 vndconfig -u /dev/vnd0
 122 vndconfig /dev/vnd1 image1 512/1/1/1025 2>/dev/null && bomb "can config vnd1"
 123 vndconfig /dev/vnd1 image1 512/1/1/1024 2>/dev/null || bomb "can't config vnd1"
 124 [ "`devsize /dev/vnd1`" = 1024 ] || bomb "invalid vnd1 device size"
 125 dd if=/dev/vnd1 of=/dev/null bs=512 count=1024 2>/dev/null || bomb "dd fail"
 126 dd if=/dev/vnd1 of=tmp bs=512 skip=1023 count=2 2>/dev/null
 127 [ "`stat -f '%z' tmp`" = 512 ] || bomb "unexpected dd result"
 128
 129 # Test miscellaneous stuff.
 130 vndconfig /dev/vnd1 image1 2>/dev/null && bomb "reconfiguring should not work"
 131 # the -r is needed here to pass vndconfig(8)'s open test (which is buggy, too!)
 132 vndconfig -r vnd0 . 2>/dev/null && bomb "config to a directory should not work"
 133 vndconfig vnd0 /dev/vnd1 2>/dev/null && bomb "config to another vnd? horrible!"
 134 diskctl /dev/vnd1 flush >/dev/null || bomb "unable to flush vnd1"
 135 vndconfig -u vnd1
 136
 137 # Test the low-level driver API.
 138 vndconfig vnd0 image0 || bomb "unable to configure vnd0"
 139 ../tvnd /dev/vnd0 || bomb "API subtest failed"
 140 # the device is now unconfigured, but the driver is still running
 141
 142 # Invoke the blocktest test set to test various other aspects.
 143 vndconfig -S vnd0 image0 || bomb "unable to configure vnd0"
 144 cd ../blocktest
 145 . support.sh
 146 block_test /dev/vnd0 \
 147   "rw,min_read=1,min_write=1,element=1,max=16777216,nocontig,silent" || \
 148   bomb "blocktest test set failed"
 149 vndconfig -u vnd0 || bomb "unable to unconfigure vnd0"
 150
 151 cd ..
 152 rm -rf $TESTDIR
 153
 154 echo "ok"
 155 exit 0