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https://github.com/dracutdevs/dracut.git
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778d2ba28b
Some distros, including debian unstable with 2.6.30, still shop style ide drivers and/or have important filesystems like ext3 as modules. This patch ensures that all test cases work on these configurations by including the necessary modules and adding a simple udev rule file that provides /dev/sd* symlinks for the case where old style ide drivers are still in use.
321 lines
9.4 KiB
Bash
Executable File
321 lines
9.4 KiB
Bash
Executable File
#!/bin/bash
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TEST_DESCRIPTION="root filesystem on NBD"
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KVERSION=${KVERSION-$(uname -r)}
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# Uncomment this to debug failures
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#DEBUGFAIL="rdshell"
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run_server() {
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# Start server first
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echo "NBD TEST SETUP: Starting DHCP/NBD server"
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$testdir/run-qemu -hda server.ext2 -hdb nbd.ext2 -hdc encrypted.ext2 \
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-m 256M -nographic \
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-net nic,macaddr=52:54:00:12:34:56,model=e1000 \
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-net socket,mcast=230.0.0.1:1236 \
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-serial udp:127.0.0.1:9999 \
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-kernel /boot/vmlinuz-$KVERSION \
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-append "root=/dev/sda rw quiet console=ttyS0,115200n81 selinux=0" \
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-initrd initramfs.server -pidfile server.pid -daemonize || return 1
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sudo chmod 644 server.pid || return 1
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# Cleanup the terminal if we have one
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tty -s && stty sane
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echo Sleeping 10 seconds to give the server a head start
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sleep 10
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}
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client_test() {
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local test_name="$1"
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local mac=$2
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local cmdline="$3"
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local fstype=$4
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local fsopt=$5
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local found opts nbdinfo
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[[ $fstype ]] || fstype=ext3
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[[ $fsopt ]] || fsopt="errors=continue"
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echo "CLIENT TEST START: $test_name"
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# Clear out the flags for each test
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if ! dd if=/dev/zero of=flag.img bs=1M count=1; then
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echo "Unable to make client sda image" 1>&2
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return 1
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fi
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$testdir/run-qemu -hda flag.img -m 256M -nographic \
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-net nic,macaddr=$mac,model=e1000 \
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-net socket,mcast=230.0.0.1:1236 \
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-kernel /boot/vmlinuz-$KVERSION \
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-append "$cmdline $DEBUGFAIL rdinitdebug rdinfo rdnetdebug ro quiet console=ttyS0,115200n81 selinux=0" \
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-initrd initramfs.testing
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if [[ $? -ne 0 ]] || ! grep -m 1 -q nbd-OK flag.img; then
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echo "CLIENT TEST END: $test_name [FAILED - BAD EXIT]"
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return 1
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fi
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# nbdinfo=( fstype fsoptions )
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nbdinfo=($(awk '{print $2, $3; exit}' flag.img))
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if [[ "${nbdinfo[0]}" != "$fstype" ]]; then
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echo "CLIENT TEST END: $test_name [FAILED - WRONG FS TYPE]"
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return 1
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fi
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opts=${nbdinfo[1]},
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while [[ $opts ]]; do
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if [[ ${opts%%,*} = $fsopt ]]; then
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found=1
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break
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fi
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opts=${opts#*,}
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done
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if [[ ! $found ]]; then
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echo "CLIENT TEST END: $test_name [FAILED - BAD FS OPTS]"
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return 1
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fi
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echo "CLIENT TEST END: $test_name [OK]"
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}
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test_run() {
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if ! run_server; then
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echo "Failed to start server" 1>&2
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return 1
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fi
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# The default is ext3,errors=continue so use that to determine
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# if our options were parsed and used
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client_test "NBD root=nbd:IP:port" 52:54:00:12:34:00 \
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"root=nbd:192.168.50.1:2000" || return 1
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client_test "NBD root=nbd:IP:port:fstype" 52:54:00:12:34:00 \
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"root=nbd:192.168.50.1:2000:ext2" ext2 || return 1
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client_test "NBD root=nbd:IP:port::fsopts" 52:54:00:12:34:00 \
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"root=nbd:192.168.50.1:2000::errors=panic" \
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ext3 errors=panic || return 1
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client_test "NBD root=nbd:IP:port:fstype:fsopts" 52:54:00:12:34:00 \
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"root=nbd:192.168.50.1:2000:ext2:errors=panic" \
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ext2 errors=panic || return 1
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client_test "NBD Bridge root=nbd:IP:port:fstype:fsopts" 52:54:00:12:34:00 \
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"root=nbd:192.168.50.1:2000:ext2:errors=panic bridge" \
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ext2 errors=panic || return 1
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# There doesn't seem to be a good way to validate the NBD options, so
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# just check that we don't screw up the other options
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client_test "NBD root=nbd:IP:port:::NBD opts" 52:54:00:12:34:00 \
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"root=nbd:192.168.50.1:2000:::bs=2048" || return 1
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client_test "NBD root=nbd:IP:port:fstype::NBD opts" 52:54:00:12:34:00 \
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"root=nbd:192.168.50.1:2000:ext2::bs=2048" ext2 || return 1
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client_test "NBD root=nbd:IP:port:fstype:fsopts:NBD opts" \
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52:54:00:12:34:00 \
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"root=nbd:192.168.50.1:2000:ext2:errors=panic:bs=2048" \
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ext2 errors=panic || return 1
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# DHCP root-path parsing
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client_test "NBD root=dhcp DHCP root-path nbd:srv:port" 52:54:00:12:34:01 \
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"root=dhcp" || return 1
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client_test "NBD Bridge root=dhcp DHCP root-path nbd:srv:port" 52:54:00:12:34:01 \
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"root=dhcp bridge" || return 1
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client_test "NBD root=dhcp DHCP root-path nbd:srv:port:fstype" \
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52:54:00:12:34:02 "root=dhcp" ext2 || return 1
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client_test "NBD root=dhcp DHCP root-path nbd:srv:port::fsopts" \
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52:54:00:12:34:03 "root=dhcp" ext3 errors=panic || return 1
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client_test "NBD root=dhcp DHCP root-path nbd:srv:port:fstype:fsopts" \
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52:54:00:12:34:04 "root=dhcp" ext2 errors=panic || return 1
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# netroot handling
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client_test "NBD netroot=nbd:IP:port" 52:54:00:12:34:00 \
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"netroot=nbd:192.168.50.1:2000" || return 1
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client_test "NBD netroot=dhcp DHCP root-path nbd:srv:port:fstype:fsopts" \
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52:54:00:12:34:04 "netroot=dhcp" ext2 errors=panic || return 1
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# Encrypted root handling via LVM/LUKS over NBD
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client_test "NBD root=/dev/dracut/root netroot=nbd:IP:port" \
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52:54:00:12:34:00 \
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"root=/dev/dracut/root netroot=nbd:192.168.50.1:2001" || return 1
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# XXX This should be ext2,errors=panic but that doesn't currently
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# XXX work when you have a real root= line in addition to netroot=
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# XXX How we should work here needs clarification
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client_test "NBD root=/dev/dracut/root netroot=dhcp (w/ fstype and opts)" \
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52:54:00:12:34:05 \
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"root=/dev/dracut/root netroot=dhcp" || return 1
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if [[ -s server.pid ]]; then
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sudo kill -TERM $(cat server.pid)
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rm -f server.pid
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fi
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}
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make_encrypted_root() {
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# Create the blank file to use as a root filesystem
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dd if=/dev/zero of=encrypted.ext2 bs=1M count=20
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dd if=/dev/zero of=flag.img bs=1M count=1
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kernel=$KVERSION
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# Create what will eventually be our root filesystem onto an overlay
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(
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initdir=overlay/source
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. $basedir/dracut-functions
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dracut_install sh df free ls shutdown poweroff stty cat ps ln ip \
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/lib/terminfo/l/linux mount dmesg mkdir cp ping
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inst ./client-init /sbin/init
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find_binary plymouth >/dev/null && dracut_install plymouth
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(cd "$initdir"; mkdir -p dev sys proc etc var/run tmp )
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)
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# second, install the files needed to make the root filesystem
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(
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initdir=overlay
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. $basedir/dracut-functions
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dracut_install mke2fs poweroff cp umount
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inst_simple ./create-root.sh /initqueue/01create-root.sh
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inst_simple ./99-idesymlinks.rules /etc/udev/rules.d/99-idesymlinks.rules
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)
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# create an initramfs that will create the target root filesystem.
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# We do it this way so that we do not risk trashing the host mdraid
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# devices, volume groups, encrypted partitions, etc.
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$basedir/dracut -l -i overlay / \
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-m "dash crypt lvm mdraid udev-rules base rootfs-block kernel-modules" \
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-d "piix ide-gd_mod ata_piix ext2 ext3 sd_mod" \
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-f initramfs.makeroot $KVERSION || return 1
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rm -rf overlay
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# Invoke KVM and/or QEMU to actually create the target filesystem.
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$testdir/run-qemu -hda flag.img -hdb encrypted.ext2 -m 256M \
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-nographic -net none \
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-kernel "/boot/vmlinuz-$kernel" \
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-append "root=/dev/dracut/root rw quiet console=ttyS0,115200n81 selinux=0" \
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-initrd initramfs.makeroot || return 1
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grep -m 1 -q dracut-root-block-created flag.img || return 1
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}
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make_client_root() {
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dd if=/dev/zero of=nbd.ext2 bs=1M count=30
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mke2fs -F -j nbd.ext2
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mkdir mnt
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sudo mount -o loop nbd.ext2 mnt
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kernel=$KVERSION
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(
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initdir=mnt
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. $basedir/dracut-functions
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dracut_install sh ls shutdown poweroff stty cat ps ln ip \
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/lib/terminfo/l/linux dmesg mkdir cp ping
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inst ./client-init /sbin/init
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(
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cd "$initdir";
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mkdir -p dev sys proc etc var/run tmp
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)
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inst /etc/nsswitch.conf /etc/nsswitch.conf
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inst /etc/passwd /etc/passwd
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inst /etc/group /etc/group
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for i in /lib*/libnss_files**;do
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inst_library $i
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done
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ldconfig -n -r "$initdir" /lib* /usr/lib*
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)
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sudo umount mnt
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rm -fr mnt
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}
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make_server_root() {
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dd if=/dev/zero of=server.ext2 bs=1M count=30
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mke2fs -F server.ext2
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mkdir mnt
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sudo mount -o loop server.ext2 mnt
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kernel=$KVERSION
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(
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initdir=mnt
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. $basedir/dracut-functions
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dracut_install sh ls shutdown poweroff stty cat ps ln ip \
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/lib/terminfo/l/linux dmesg mkdir cp ping grep \
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sleep nbd-server chmod
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which dhcpd >/dev/null 2>&1 && dracut_install dhcpd
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[ -x /usr/sbin/dhcpd3 ] && inst /usr/sbin/dhcpd3 /usr/sbin/dhcpd
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inst ./server-init /sbin/init
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inst ./hosts /etc/hosts
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inst ./dhcpd.conf /etc/dhcpd.conf
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(
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cd "$initdir";
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mkdir -p dev sys proc etc var/run var/lib/dhcpd tmp
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)
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inst /etc/nsswitch.conf /etc/nsswitch.conf
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inst /etc/passwd /etc/passwd
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inst /etc/group /etc/group
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for i in /lib*/libnss_files**;do
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inst_library $i
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done
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ldconfig -n -r "$initdir" /lib* /usr/lib*
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)
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sudo umount mnt
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rm -fr mnt
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}
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test_setup() {
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make_encrypted_root || return 1
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make_client_root || return 1
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make_server_root || return 1
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# Make the test image
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(
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initdir=overlay
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. $basedir/dracut-functions
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dracut_install poweroff shutdown
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inst_simple ./hard-off.sh /emergency/01hard-off.sh
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inst_simple ./99-idesymlinks.rules /etc/udev/rules.d/99-idesymlinks.rules
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inst ./cryptroot-ask /sbin/cryptroot-ask
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)
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sudo $basedir/dracut -l -i overlay / \
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-m "dash udev-rules rootfs-block base debug kernel-modules" \
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-d "piix ide-gd_mod ata_piix ext2 ext3 sd_mod e1000" \
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-f initramfs.server $KVERSION || return 1
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sudo $basedir/dracut -l -i overlay / \
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-o "plymouth" \
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-a "debug" \
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-d "piix ide-gd_mod ata_piix ext2 ext3 sd_mod e1000" \
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-f initramfs.testing $KVERSION || return 1
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}
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test_cleanup() {
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if [[ -s server.pid ]]; then
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sudo kill -TERM $(cat server.pid)
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rm -f server.pid
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fi
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rm -fr overlay mnt
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rm -f flag.img server.ext2 nbd.ext2 encrypted.ext2
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rm -f initramfs.server initramfs.testing initramfs.makeroot
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}
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. $testdir/test-functions
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