test/TEST-40-NBD/test.sh

   1 #!/bin/bash
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4 TEST_DESCRIPTION="root filesystem on NBD"
   5
   6 KVERSION=${KVERSION-$(uname -r)}
   7
   8 # Uncomment this to debug failures
   9 #DEBUGFAIL="rd.shell rd.retry=10 rd.break"
  10 #SERIAL="udp:127.0.0.1:9999"
  11 SERIAL="null"
  12
  13 run_server() {
  14     # Start server first
  15     echo "NBD TEST SETUP: Starting DHCP/NBD server"
  16
  17     $testdir/run-qemu \
  18         -hda $TESTDIR/server.ext2 \
  19         -hdb $TESTDIR/nbd.ext2 \
  20         -hdc $TESTDIR/encrypted.ext2 \
  21         -m 256M -nographic \
  22         -net nic,macaddr=52:54:00:12:34:56,model=e1000 \
  23         -net socket,listen=127.0.0.1:12340 \
  24         -serial $SERIAL \
  25         -kernel /boot/vmlinuz-$KVERSION \
  26         -append "root=/dev/sda rootfstype=ext2 rw quiet console=ttyS0,115200n81 selinux=0" \
  27         -initrd $TESTDIR/initramfs.server -pidfile $TESTDIR/server.pid -daemonize || return 1
  28     sudo chmod 644 $TESTDIR/server.pid || return 1
  29
  30     # Cleanup the terminal if we have one
  31     tty -s && stty sane
  32
  33     echo Sleeping 10 seconds to give the server a head start
  34     sleep 10
  35 }
  36
  37 client_test() {
  38     local test_name="$1"
  39     local mac=$2
  40     local cmdline="$3"
  41     local fstype=$4
  42     local fsopt=$5
  43     local found opts nbdinfo
  44
  45     [[ $fstype ]] || fstype=ext3
  46     [[ $fsopt ]] || fsopt="ro"
  47
  48     echo "CLIENT TEST START: $test_name"
  49
  50     # Clear out the flags for each test
  51     if ! dd if=/dev/zero of=$TESTDIR/flag.img bs=1M count=1; then
  52         echo "Unable to make client sda image" 1>&2
  53         return 1
  54     fi
  55
  56     $testdir/run-qemu \
  57         -hda $TESTDIR/flag.img \
  58         -m 256M -nographic \
  59         -net nic,macaddr=$mac,model=e1000 \
  60         -net socket,connect=127.0.0.1:12340 \
  61         -kernel /boot/vmlinuz-$KVERSION \
  62         -append "$cmdline $DEBUGFAIL rd.debug rd.info rd.retry=10 ro quiet console=ttyS0,115200n81 selinux=0" \
  63         -initrd $TESTDIR/initramfs.testing
  64
  65     if [[ $? -ne 0 ]] || ! grep -m 1 -q nbd-OK $TESTDIR/flag.img; then
  66         echo "CLIENT TEST END: $test_name [FAILED - BAD EXIT]"
  67         return 1
  68     fi
  69
  70     # nbdinfo=( fstype fsoptions )
  71     nbdinfo=($(awk '{print $2, $3; exit}' $TESTDIR/flag.img))
  72
  73     if [[ "${nbdinfo[0]}" != "$fstype" ]]; then
  74         echo "CLIENT TEST END: $test_name [FAILED - WRONG FS TYPE]"
  75         return 1
  76     fi
  77
  78     opts=${nbdinfo[1]},
  79     while [[ $opts ]]; do
  80         if [[ ${opts%%,*} = $fsopt ]]; then
  81             found=1
  82             break
  83         fi
  84         opts=${opts#*,}
  85     done
  86
  87     if [[ ! $found ]]; then
  88         echo "CLIENT TEST END: $test_name [FAILED - BAD FS OPTS]"
  89         return 1
  90     fi
  91
  92     echo "CLIENT TEST END: $test_name [OK]"
  93 }
  94
  95 test_run() {
  96     modinfo nbd &>/dev/null || { echo "Kernel does not support nbd"; exit 1; }
  97     if ! run_server; then
  98         echo "Failed to start server" 1>&2
  99         return 1
 100     fi
 101     client_run || { kill_server; return 1; }
 102 }
 103
 104 client_run() {
 105
 106     # The default is ext3,errors=continue so use that to determine
 107     # if our options were parsed and used
 108     client_test "NBD root=nbd:IP:port" 52:54:00:12:34:00 \
 109         "root=nbd:192.168.50.1:2000" || return 1
 110
 111     client_test "NBD root=nbd:IP:port:fstype" 52:54:00:12:34:00 \
 112         "root=nbd:192.168.50.1:2000:ext2" ext2 || return 1
 113
 114     client_test "NBD root=nbd:IP:port::fsopts" 52:54:00:12:34:00 \
 115         "root=nbd:192.168.50.1:2000::errors=panic" \
 116         ext3 errors=panic || return 1
 117
 118     client_test "NBD root=nbd:IP:port:fstype:fsopts" 52:54:00:12:34:00 \
 119         "root=nbd:192.168.50.1:2000:ext2:errors=panic" \
 120         ext2 errors=panic || return 1
 121
 122     client_test "NBD Bridge root=nbd:IP:port:fstype:fsopts" 52:54:00:12:34:00 \
 123         "root=nbd:192.168.50.1:2000:ext2:errors=panic bridge" \
 124         ext2 errors=panic || return 1
 125
 126      # There doesn't seem to be a good way to validate the NBD options, so
 127      # just check that we don't screw up the other options
 128
 129     client_test "NBD root=nbd:IP:port:::NBD opts" 52:54:00:12:34:00 \
 130         "root=nbd:192.168.50.1:2000:::bs=2048" || return 1
 131
 132     client_test "NBD root=nbd:IP:port:fstype::NBD opts" 52:54:00:12:34:00 \
 133         "root=nbd:192.168.50.1:2000:ext2::bs=2048" ext2 || return 1
 134
 135     client_test "NBD root=nbd:IP:port:fstype:fsopts:NBD opts" \
 136         52:54:00:12:34:00 \
 137         "root=nbd:192.168.50.1:2000:ext2:errors=panic:bs=2048" \
 138         ext2 errors=panic || return 1
 139
 140     # DHCP root-path parsing
 141
 142     client_test "NBD root=dhcp DHCP root-path nbd:srv:port" 52:54:00:12:34:01 \
 143         "root=dhcp" || return 1
 144
 145     client_test "NBD Bridge root=dhcp DHCP root-path nbd:srv:port" 52:54:00:12:34:01 \
 146         "root=dhcp bridge" || return 1
 147
 148     client_test "NBD root=dhcp DHCP root-path nbd:srv:port:fstype" \
 149         52:54:00:12:34:02 "root=dhcp" ext2 || return 1
 150
 151     client_test "NBD root=dhcp DHCP root-path nbd:srv:port::fsopts" \
 152         52:54:00:12:34:03 "root=dhcp" ext3 errors=panic || return 1
 153
 154     client_test "NBD root=dhcp DHCP root-path nbd:srv:port:fstype:fsopts" \
 155         52:54:00:12:34:04 "root=dhcp" ext2 errors=panic || return 1
 156
 157     # netroot handling
 158
 159     client_test "NBD netroot=nbd:IP:port" 52:54:00:12:34:00 \
 160         "netroot=nbd:192.168.50.1:2000" || return 1
 161
 162     client_test "NBD netroot=dhcp DHCP root-path nbd:srv:port:fstype:fsopts" \
 163         52:54:00:12:34:04 "netroot=dhcp" ext2 errors=panic || return 1
 164
 165     # Encrypted root handling via LVM/LUKS over NBD
 166
 167     client_test "NBD root=/dev/dracut/root netroot=nbd:IP:port" \
 168         52:54:00:12:34:00 \
 169         "root=/dev/dracut/root netroot=nbd:192.168.50.1:2001" || return 1
 170
 171     # XXX This should be ext2,errors=panic but that doesn't currently
 172     # XXX work when you have a real root= line in addition to netroot=
 173     # XXX How we should work here needs clarification
 174     client_test "NBD root=/dev/dracut/root netroot=dhcp (w/ fstype and opts)" \
 175         52:54:00:12:34:05 \
 176         "root=/dev/dracut/root netroot=dhcp" || return 1
 177
 178     if [[ -s server.pid ]]; then
 179         sudo kill -TERM $(cat $TESTDIR/server.pid)
 180         rm -f $TESTDIR/server.pid
 181     fi
 182
 183 }
 184
 185 make_encrypted_root() {
 186     # Create the blank file to use as a root filesystem
 187     dd if=/dev/null of=$TESTDIR/encrypted.ext2 bs=1M seek=20
 188     dd if=/dev/null of=$TESTDIR/flag.img bs=1M seek=1
 189
 190     kernel=$KVERSION
 191     # Create what will eventually be our root filesystem onto an overlay
 192     (
 193         initdir=$TESTDIR/overlay/source
 194         . $basedir/dracut-functions.sh
 195         mkdir -p "$initdir"
 196         (cd "$initdir"; mkdir -p dev sys proc etc var/run tmp )
 197         dracut_install sh df free ls shutdown poweroff stty cat ps ln ip \
 198             mount dmesg mkdir cp ping
 199         for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
 200             [ -f ${_terminfodir}/l/linux ] && break
 201         done
 202         dracut_install -o ${_terminfodir}/l/linux
 203         inst ./client-init.sh /sbin/init
 204         find_binary plymouth >/dev/null && dracut_install plymouth
 205         cp -a /etc/ld.so.conf* $initdir/etc
 206         sudo ldconfig -r "$initdir"
 207     )
 208
 209     # second, install the files needed to make the root filesystem
 210     (
 211         initdir=$TESTDIR/overlay
 212         . $basedir/dracut-functions.sh
 213         dracut_install mke2fs poweroff cp umount tune2fs
 214         inst_hook initqueue 01 ./create-root.sh
 215         inst_simple ./99-idesymlinks.rules /etc/udev/rules.d/99-idesymlinks.rules
 216     )
 217
 218     # create an initramfs that will create the target root filesystem.
 219     # We do it this way so that we do not risk trashing the host mdraid
 220     # devices, volume groups, encrypted partitions, etc.
 221     $basedir/dracut.sh -l -i $TESTDIR/overlay / \
 222         -m "dash crypt lvm mdraid udev-rules base rootfs-block kernel-modules" \
 223         -d "piix ide-gd_mod ata_piix ext2 ext3 sd_mod" \
 224         -f $TESTDIR/initramfs.makeroot $KVERSION || return 1
 225     rm -rf $TESTDIR/overlay
 226
 227     # Invoke KVM and/or QEMU to actually create the target filesystem.
 228     $testdir/run-qemu \
 229         -hda $TESTDIR/flag.img \
 230         -hdb $TESTDIR/encrypted.ext2 \
 231         -m 256M \
 232         -nographic -net none \
 233         -kernel "/boot/vmlinuz-$kernel" \
 234         -append "root=/dev/dracut/root rw quiet console=ttyS0,115200n81 selinux=0" \
 235         -initrd $TESTDIR/initramfs.makeroot  || return 1
 236     grep -m 1 -q dracut-root-block-created $TESTDIR/flag.img || return 1
 237 }
 238
 239 make_client_root() {
 240     dd if=/dev/null of=$TESTDIR/nbd.ext2 bs=1M seek=30
 241     mke2fs -F -j $TESTDIR/nbd.ext2
 242     mkdir $TESTDIR/mnt
 243     sudo mount -o loop $TESTDIR/nbd.ext2 $TESTDIR/mnt
 244
 245     kernel=$KVERSION
 246     (
 247         initdir=$TESTDIR/mnt
 248         . $basedir/dracut-functions.sh
 249         mkdir -p "$initdir"
 250         (cd "$initdir"; mkdir -p dev sys proc etc var/run tmp )
 251         dracut_install sh ls shutdown poweroff stty cat ps ln ip \
 252             dmesg mkdir cp ping
 253         for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
 254             [ -f ${_terminfodir}/l/linux ] && break
 255         done
 256         dracut_install -o ${_terminfodir}/l/linux
 257         inst ./client-init.sh /sbin/init
 258         inst /etc/nsswitch.conf /etc/nsswitch.conf
 259         inst /etc/passwd /etc/passwd
 260         inst /etc/group /etc/group
 261         for i in /usr/lib*/libnss_files* /lib*/libnss_files*;do
 262             [ -e "$i" ] || continue
 263             inst $i
 264         done
 265         cp -a /etc/ld.so.conf* $initdir/etc
 266         sudo ldconfig -r "$initdir"
 267     )
 268
 269     sudo umount $TESTDIR/mnt
 270     rm -fr $TESTDIR/mnt
 271 }
 272
 273 make_server_root() {
 274     dd if=/dev/null of=$TESTDIR/server.ext2 bs=1M seek=30
 275     mke2fs -F $TESTDIR/server.ext2
 276     mkdir $TESTDIR/mnt
 277     sudo mount -o loop $TESTDIR/server.ext2 $TESTDIR/mnt
 278
 279     kernel=$KVERSION
 280     (
 281         initdir=$TESTDIR/mnt
 282         . $basedir/dracut-functions.sh
 283         mkdir -p "$initdir"
 284         (
 285             cd "$initdir";
 286             mkdir -p dev sys proc etc var/run var/lib/dhcpd tmp
 287         )
 288         dracut_install sh ls shutdown poweroff stty cat ps ln ip \
 289             dmesg mkdir cp ping grep \
 290             sleep nbd-server chmod
 291         for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
 292             [ -f ${_terminfodir}/l/linux ] && break
 293         done
 294         dracut_install -o ${_terminfodir}/l/linux
 295         type -P dhcpd >/dev/null && dracut_install dhcpd
 296         [ -x /usr/sbin/dhcpd3 ] && inst /usr/sbin/dhcpd3 /usr/sbin/dhcpd
 297         inst ./server-init.sh /sbin/init
 298         inst ./hosts /etc/hosts
 299         inst ./dhcpd.conf /etc/dhcpd.conf
 300         inst /etc/nsswitch.conf /etc/nsswitch.conf
 301         inst /etc/passwd /etc/passwd
 302         inst /etc/group /etc/group
 303         for i in /usr/lib*/libnss_files* /lib*/libnss_files*;do
 304             [ -e "$i" ] || continue
 305             inst $i
 306         done
 307
 308         cp -a /etc/ld.so.conf* $initdir/etc
 309         sudo ldconfig -r "$initdir"
 310     )
 311
 312     sudo umount $TESTDIR/mnt
 313     rm -fr $TESTDIR/mnt
 314 }
 315
 316 test_setup() {
 317
 318     modinfo nbd &>/dev/null || { echo "Kernel does not support nbd"; exit 1; }
 319
 320     make_encrypted_root || return 1
 321     make_client_root || return 1
 322     make_server_root || return 1
 323
 324     # Make the test image
 325     (
 326         initdir=$TESTDIR/overlay
 327         . $basedir/dracut-functions.sh
 328         dracut_install poweroff shutdown
 329         inst_hook emergency 000 ./hard-off.sh
 330         inst_simple ./99-idesymlinks.rules /etc/udev/rules.d/99-idesymlinks.rules
 331         inst ./cryptroot-ask.sh /sbin/cryptroot-ask
 332     )
 333
 334     sudo $basedir/dracut.sh -l -i $TESTDIR/overlay / \
 335         -m "dash udev-rules rootfs-block base debug kernel-modules" \
 336         -d "piix ide-gd_mod ata_piix ext2 ext3 sd_mod e1000" \
 337         -f $TESTDIR/initramfs.server $KVERSION || return 1
 338
 339     sudo $basedir/dracut.sh -l -i $TESTDIR/overlay / \
 340         -o "plymouth" \
 341         -a "debug" \
 342         -d "piix ide-gd_mod ata_piix ext2 ext3 sd_mod e1000" \
 343         -f $TESTDIR/initramfs.testing $KVERSION || return 1
 344 }
 345
 346 kill_server() {
 347     if [[ -s $TESTDIR/server.pid ]]; then
 348         sudo kill -TERM $(cat $TESTDIR/server.pid)
 349         rm -f $TESTDIR/server.pid
 350     fi
 351 }
 352
 353 test_cleanup() {
 354     kill_server
 355 }
 356
 357 . $testdir/test-functions