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dracut/test/TEST-40-NBD/test.sh

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#!/bin/bash
if [[ $NM ]]; then
USE_NETWORK="network-manager"
OMIT_NETWORK="network-legacy"
else
USE_NETWORK="network-legacy"
OMIT_NETWORK="network-manager"
fi
# shellcheck disable=SC2034
TEST_DESCRIPTION="root filesystem on NBD with $USE_NETWORK"
KVERSION=${KVERSION-$(uname -r)}
# Uncomment this to debug failures
#DEBUGFAIL="rd.shell rd.break rd.debug systemd.log_target=console loglevel=7 systemd.log_level=debug"
#SERIAL="tcp:127.0.0.1:9999"
test_check() {
if ! type -p nbd-server 2> /dev/null; then
echo "Test needs nbd-server... Skipping"
return 1
fi
if ! modinfo -k "$KVERSION" nbd &> /dev/null; then
echo "Kernel module nbd does not exist"
return 1
fi
return 0
}
run_server() {
# Start server first
echo "NBD TEST SETUP: Starting DHCP/NBD server"
declare -a disk_args=()
# shellcheck disable=SC2034
declare -i disk_index=0
qemu_add_drive_args disk_index disk_args "$TESTDIR"/unencrypted.img unencrypted
qemu_add_drive_args disk_index disk_args "$TESTDIR"/encrypted.img encrypted
qemu_add_drive_args disk_index disk_args "$TESTDIR"/server.img serverroot
"$testdir"/run-qemu \
"${disk_args[@]}" \
-serial "${SERIAL:-"file:$TESTDIR/server.log"}" \
-net nic,macaddr=52:54:00:12:34:56,model=e1000 \
-net socket,listen=127.0.0.1:12340 \
-append "panic=1 hung_task_panic=1 oops=panic softlockup_panic=1 rd.luks=0 systemd.crash_reboot quiet root=/dev/disk/by-id/ata-disk_serverroot rootfstype=ext3 rw console=ttyS0,115200n81 selinux=0 $SERVER_DEBUG" \
-initrd "$TESTDIR"/initramfs.server \
-pidfile "$TESTDIR"/server.pid -daemonize || return 1
chmod 644 "$TESTDIR"/server.pid || return 1
# Cleanup the terminal if we have one
tty -s && stty sane
if ! [[ $SERIAL ]]; then
echo "Waiting for the server to startup"
while :; do
grep Serving "$TESTDIR"/server.log && break
tail "$TESTDIR"/server.log
sleep 1
done
else
echo Sleeping 10 seconds to give the server a head start
sleep 10
fi
}
client_test() {
local test_name="$1"
local mac=$2
local cmdline="$3"
local fstype=$4
local fsopt=$5
local found opts nbdinfo
[[ $fstype ]] || fstype=ext3
[[ $fsopt ]] || fsopt="ro"
echo "CLIENT TEST START: $test_name"
dd if=/dev/zero of="$TESTDIR"/marker.img bs=1MiB count=1
declare -a disk_args=()
declare -i disk_index=0
qemu_add_drive_args disk_index disk_args "$TESTDIR"/marker.img marker
"$testdir"/run-qemu \
"${disk_args[@]}" \
-net nic,macaddr="$mac",model=e1000 \
-net socket,connect=127.0.0.1:12340 \
-append "panic=1 hung_task_panic=1 oops=panic softlockup_panic=1 systemd.crash_reboot rd.shell=0 $cmdline $DEBUGFAIL rd.auto rd.info rd.retry=10 ro console=ttyS0,115200n81 selinux=0 " \
-initrd "$TESTDIR"/initramfs.testing
# shellcheck disable=SC2181
if [[ $? -ne 0 ]] || ! grep -U --binary-files=binary -F -m 1 -q nbd-OK "$TESTDIR"/marker.img; then
echo "CLIENT TEST END: $test_name [FAILED - BAD EXIT]"
return 1
fi
# nbdinfo=( fstype fsoptions )
read -r -a nbdinfo < <(awk '{print $2, $3; exit}' "$TESTDIR"/marker.img)
if [[ ${nbdinfo[0]} != "$fstype" ]]; then
echo "CLIENT TEST END: $test_name [FAILED - WRONG FS TYPE] \"${nbdinfo[0]}\" != \"$fstype\""
return 1
fi
opts=${nbdinfo[1]},
while [[ $opts ]]; do
if [[ ${opts%%,*} == "$fsopt" ]]; then
found=1
break
fi
opts=${opts#*,}
done
if [[ ! $found ]]; then
echo "CLIENT TEST END: $test_name [FAILED - BAD FS OPTS] \"${nbdinfo[1]}\" != \"$fsopt\""
return 1
fi
echo "CLIENT TEST END: $test_name [OK]"
}
test_run() {
if ! run_server; then
echo "Failed to start server" 1>&2
return 1
fi
client_run
kill_server
}
client_run() {
# The default is ext3,errors=continue so use that to determine
# if our options were parsed and used
client_test "NBD root=nbd:IP:port" 52:54:00:12:34:00 \
"root=nbd:192.168.50.1:raw rd.luks=0" || return 1
client_test "NBD root=nbd:IP:port::fsopts" 52:54:00:12:34:00 \
"root=nbd:192.168.50.1:raw::errors=panic rd.luks=0" \
ext3 errors=panic || return 1
client_test "NBD root=nbd:IP:port:fstype" 52:54:00:12:34:00 \
"root=nbd:192.168.50.1:raw:ext3 rd.luks=0" ext3 || return 1
client_test "NBD root=nbd:IP:port:fstype:fsopts" 52:54:00:12:34:00 \
"root=nbd:192.168.50.1:raw:ext3:errors=panic rd.luks=0" \
ext3 errors=panic || return 1
# DHCP root-path parsing
client_test "NBD root=/dev/root netroot=dhcp DHCP root-path nbd:srv:port" 52:54:00:12:34:01 \
"root=/dev/root netroot=dhcp ip=dhcp rd.luks=0" || return 1
client_test "NBD root=/dev/root netroot=dhcp DHCP root-path nbd:srv:port:fstype" \
52:54:00:12:34:02 "root=/dev/root netroot=dhcp ip=dhcp rd.luks=0" ext2 || return 1
client_test "NBD root=/dev/root netroot=dhcp DHCP root-path nbd:srv:port::fsopts" \
52:54:00:12:34:03 "root=/dev/root netroot=dhcp ip=dhcp rd.luks=0" ext3 errors=panic || return 1
client_test "NBD root=/dev/root netroot=dhcp DHCP root-path nbd:srv:port:fstype:fsopts" \
52:54:00:12:34:04 "root=/dev/root netroot=dhcp ip=dhcp rd.luks=0" ext2 errors=panic || return 1
# netroot handling
client_test "NBD netroot=nbd:IP:port" 52:54:00:12:34:00 \
"root=LABEL=dracut netroot=nbd:192.168.50.1:raw ip=dhcp rd.luks=0" || return 1
client_test "NBD root=/dev/root netroot=dhcp DHCP root-path nbd:srv:port:fstype:fsopts" \
52:54:00:12:34:04 "root=/dev/root netroot=dhcp ip=dhcp rd.luks=0" ext2 errors=panic || return 1
# Encrypted root handling via LVM/LUKS over NBD
# shellcheck disable=SC1090
. "$TESTDIR"/luks.uuid
client_test "NBD root=LABEL=dracut netroot=nbd:IP:port" \
52:54:00:12:34:00 \
"root=LABEL=dracut rd.luks.uuid=$ID_FS_UUID rd.lv.vg=dracut ip=dhcp netroot=nbd:192.168.50.1:encrypted" || return 1
# XXX This should be ext3,errors=panic but that doesn't currently
# XXX work when you have a real root= line in addition to netroot=
# XXX How we should work here needs clarification
# client_test "NBD root=LABEL=dracut netroot=dhcp (w/ fstype and opts)" \
# 52:54:00:12:34:05 \
# "root=LABEL=dracut rd.luks.uuid=$ID_FS_UUID rd.lv.vg=dracut netroot=dhcp" || return 1
if [[ -s server.pid ]]; then
kill -TERM "$(cat "$TESTDIR"/server.pid)"
rm -f -- "$TESTDIR"/server.pid
fi
}
make_encrypted_root() {
rm -fr "$TESTDIR"/overlay
kernel=$KVERSION
# Create what will eventually be our root filesystem onto an overlay
(
# shellcheck disable=SC2030
export initdir=$TESTDIR/overlay/source
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
mkdir -p "$initdir"
(
cd "$initdir" || exit
mkdir -p dev sys proc etc run var/run tmp
mkdir -p root usr/bin usr/lib usr/lib64 usr/sbin
for i in bin sbin lib lib64; do
ln -sfnr usr/$i $i
done
)
inst_multiple sh df free ls shutdown poweroff stty cat ps ln ip \
mount dmesg mkdir cp ping dd sync
for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
[ -f ${_terminfodir}/l/linux ] && break
done
inst_multiple -o ${_terminfodir}/l/linux
inst_simple "${basedir}/modules.d/99base/dracut-lib.sh" "/lib/dracut-lib.sh"
inst_binary "${basedir}/dracut-util" "/usr/bin/dracut-util"
ln -s dracut-util "${initdir}/usr/bin/dracut-getarg"
ln -s dracut-util "${initdir}/usr/bin/dracut-getargs"
inst ./client-init.sh /sbin/init
inst_simple /etc/os-release
find_binary plymouth > /dev/null && inst_multiple plymouth
cp -a /etc/ld.so.conf* "$initdir"/etc
ldconfig -r "$initdir"
)
# second, install the files needed to make the root filesystem
(
# shellcheck disable=SC2030
# shellcheck disable=SC2031
export initdir=$TESTDIR/overlay
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
(
cd "$initdir" || exit
mkdir -p dev sys proc etc tmp var run root usr/bin usr/lib usr/lib64 usr/sbin
for i in bin sbin lib lib64; do
ln -sfnr usr/$i $i
done
ln -s ../run var/run
)
inst_multiple mkfs.ext3 poweroff cp umount dd sync
inst_hook shutdown-emergency 000 ./hard-off.sh
inst_hook emergency 000 ./hard-off.sh
inst_hook initqueue 01 ./create-encrypted-root.sh
inst_hook initqueue/finished 01 ./finished-false.sh
)
# create an initramfs that will create the target root filesystem.
# We do it this way so that we do not risk trashing the host mdraid
# devices, volume groups, encrypted partitions, etc.
"$basedir"/dracut.sh -l -i "$TESTDIR"/overlay / \
-m "dash crypt lvm mdraid udev-rules base rootfs-block fs-lib kernel-modules qemu" \
-d "piix ide-gd_mod ata_piix ext3 ext3 sd_mod" \
--no-hostonly-cmdline -N \
-f "$TESTDIR"/initramfs.makeroot "$KVERSION" || return 1
rm -rf -- "$TESTDIR"/overlay
dd if=/dev/zero of="$TESTDIR"/encrypted.img bs=1MiB count=120
dd if=/dev/zero of="$TESTDIR"/marker.img bs=1MiB count=1
declare -a disk_args=()
# shellcheck disable=SC2034
declare -i disk_index=0
qemu_add_drive_args disk_index disk_args "$TESTDIR"/marker.img marker
qemu_add_drive_args disk_index disk_args "$TESTDIR"/encrypted.img root
# Invoke KVM and/or QEMU to actually create the target filesystem.
"$testdir"/run-qemu \
"${disk_args[@]}" \
-append "root=/dev/fakeroot rw quiet console=ttyS0,115200n81 selinux=0" \
-initrd "$TESTDIR"/initramfs.makeroot || return 1
grep -U --binary-files=binary -F -m 1 -q dracut-root-block-created "$TESTDIR"/marker.img || return 1
grep -F -a -m 1 ID_FS_UUID "$TESTDIR"/marker.img > "$TESTDIR"/luks.uuid
}
make_client_root() {
rm -fr "$TESTDIR"/overlay
kernel=$KVERSION
(
mkdir -p "$TESTDIR"/overlay/source
# shellcheck disable=SC2030
# shellcheck disable=SC2031
export initdir=$TESTDIR/overlay/source
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
mkdir -p "$initdir"
(
cd "$initdir" || exit
mkdir -p dev sys proc etc run var/run tmp
mkdir -p root usr/bin usr/lib usr/lib64 usr/sbin
for i in bin sbin lib lib64; do
ln -sfnr usr/$i $i
done
)
inst_multiple sh ls shutdown poweroff stty cat ps ln ip \
dmesg mkdir cp ping dd mount sync
for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
[ -f ${_terminfodir}/l/linux ] && break
done
inst_multiple -o ${_terminfodir}/l/linux
inst_simple "${basedir}/modules.d/99base/dracut-lib.sh" "/lib/dracut-lib.sh"
inst_binary "${basedir}/dracut-util" "/usr/bin/dracut-util"
ln -s dracut-util "${initdir}/usr/bin/dracut-getarg"
ln -s dracut-util "${initdir}/usr/bin/dracut-getargs"
inst ./client-init.sh /sbin/init
inst_simple /etc/os-release
inst /etc/nsswitch.conf /etc/nsswitch.conf
inst /etc/passwd /etc/passwd
inst /etc/group /etc/group
for i in /usr/lib*/libnss_files* /lib*/libnss_files*; do
[ -e "$i" ] || continue
inst "$i"
done
cp -a /etc/ld.so.conf* "$initdir"/etc
ldconfig -r "$initdir"
)
# second, install the files needed to make the root filesystem
(
# shellcheck disable=SC2030
# shellcheck disable=SC2031
export initdir=$TESTDIR/overlay
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
inst_multiple sfdisk mkfs.ext3 poweroff cp umount sync dd
inst_hook initqueue 01 ./create-client-root.sh
inst_hook initqueue/finished 01 ./finished-false.sh
)
# create an initramfs that will create the target root filesystem.
# We do it this way so that we do not risk trashing the host mdraid
# devices, volume groups, encrypted partitions, etc.
"$basedir"/dracut.sh -l -i "$TESTDIR"/overlay / \
-m "dash udev-rules base rootfs-block fs-lib kernel-modules fs-lib qemu" \
-d "piix ide-gd_mod ata_piix ext3 sd_mod" \
--nomdadmconf \
--no-hostonly-cmdline -N \
-f "$TESTDIR"/initramfs.makeroot "$KVERSION" || return 1
dd if=/dev/zero of="$TESTDIR"/unencrypted.img bs=1MiB count=120
dd if=/dev/zero of="$TESTDIR"/marker.img bs=1MiB count=1
declare -a disk_args=()
# shellcheck disable=SC2034
declare -i disk_index=0
qemu_add_drive_args disk_index disk_args "$TESTDIR"/marker.img marker
qemu_add_drive_args disk_index disk_args "$TESTDIR"/unencrypted.img root
# Invoke KVM and/or QEMU to actually create the target filesystem.
"$testdir"/run-qemu \
"${disk_args[@]}" \
-append "root=/dev/dracut/root rw rootfstype=ext3 quiet console=ttyS0,115200n81 selinux=0" \
-initrd "$TESTDIR"/initramfs.makeroot || return 1
grep -U --binary-files=binary -F -m 1 -q dracut-root-block-created "$TESTDIR"/marker.img || return 1
rm -fr "$TESTDIR"/overlay
}
make_server_root() {
rm -fr "$TESTDIR"/overlay
# shellcheck disable=SC2031
export kernel=$KVERSION
(
mkdir -p "$TESTDIR"/overlay/source
# shellcheck disable=SC2030
# shellcheck disable=SC2031
export initdir=$TESTDIR/overlay/source
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
mkdir -p "$initdir"
(
cd "$initdir" || exit
mkdir -p run dev sys proc etc var var/lib/dhcpd tmp etc/nbd-server
ln -s ../run var/run
)
cat > "$initdir/etc/nbd-server/config" << EOF
[generic]
[raw]
exportname = /dev/disk/by-id/ata-disk_unencrypted
port = 2000
bs = 4096
[encrypted]
exportname = /dev/disk/by-id/ata-disk_encrypted
port = 2001
bs = 4096
EOF
inst_multiple sh ls shutdown poweroff stty cat ps ln ip \
dmesg mkdir cp ping grep \
sleep nbd-server chmod modprobe vi
for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
[ -f ${_terminfodir}/l/linux ] && break
done
inst_multiple -o ${_terminfodir}/l/linux
instmods af_packet
type -P dhcpd > /dev/null && inst_multiple dhcpd
[ -x /usr/sbin/dhcpd3 ] && inst /usr/sbin/dhcpd3 /usr/sbin/dhcpd
inst ./server-init.sh /sbin/init
inst_simple /etc/os-release
inst ./hosts /etc/hosts
inst ./dhcpd.conf /etc/dhcpd.conf
inst /etc/nsswitch.conf /etc/nsswitch.conf
inst /etc/passwd /etc/passwd
inst /etc/group /etc/group
for i in /usr/lib*/libnss_files* /lib*/libnss_files*; do
[ -e "$i" ] || continue
inst "$i"
done
cp -a /etc/ld.so.conf* "$initdir"/etc
ldconfig -r "$initdir"
)
# second, install the files needed to make the root filesystem
(
# shellcheck disable=SC2030
# shellcheck disable=SC2031
export initdir=$TESTDIR/overlay
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
inst_multiple sfdisk mkfs.ext3 poweroff cp umount sync dd sync
inst_hook initqueue 01 ./create-server-root.sh
inst_hook initqueue/finished 01 ./finished-false.sh
)
# create an initramfs that will create the target root filesystem.
# We do it this way so that we do not risk trashing the host mdraid
# devices, volume groups, encrypted partitions, etc.
"$basedir"/dracut.sh -l -i "$TESTDIR"/overlay / \
-m "dash udev-rules base rootfs-block fs-lib kernel-modules fs-lib qemu" \
-d "piix ide-gd_mod ata_piix ext3 sd_mod" \
--nomdadmconf \
--no-hostonly-cmdline -N \
-f "$TESTDIR"/initramfs.makeroot "$KVERSION" || return 1
dd if=/dev/zero of="$TESTDIR"/server.img bs=1MiB count=120
dd if=/dev/zero of="$TESTDIR"/marker.img bs=1MiB count=1
declare -a disk_args=()
# shellcheck disable=SC2034
declare -i disk_index=0
qemu_add_drive_args disk_index disk_args "$TESTDIR"/marker.img marker
qemu_add_drive_args disk_index disk_args "$TESTDIR"/server.img root
# Invoke KVM and/or QEMU to actually create the target filesystem.
"$testdir"/run-qemu \
"${disk_args[@]}" \
-append "root=/dev/dracut/root rw rootfstype=ext3 quiet console=ttyS0,115200n81 selinux=0" \
-initrd "$TESTDIR"/initramfs.makeroot || return 1
grep -U --binary-files=binary -F -m 1 -q dracut-root-block-created "$TESTDIR"/marker.img || return 1
rm -fr "$TESTDIR"/overlay
}
test_setup() {
make_encrypted_root || return 1
make_client_root || return 1
make_server_root || return 1
rm -fr "$TESTDIR"/overlay
# Make the test image
(
# shellcheck disable=SC2031
export initdir=$TESTDIR/overlay
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
inst_multiple poweroff shutdown dd
inst_hook shutdown-emergency 000 ./hard-off.sh
inst ./cryptroot-ask.sh /sbin/cryptroot-ask
# inst ./debug-shell.service /lib/systemd/system/debug-shell.service
# mkdir -p "${initdir}/lib/systemd/system/sysinit.target.wants"
# ln -fs ../debug-shell.service "${initdir}/lib/systemd/system/sysinit.target.wants/debug-shell.service"
# shellcheck disable=SC1090
. "$TESTDIR"/luks.uuid
mkdir -p "$initdir"/etc
echo "luks-$ID_FS_UUID /dev/nbd0 /etc/key" > "$initdir"/etc/crypttab
echo -n test > "$initdir"/etc/key
)
"$basedir"/dracut.sh -l -i "$TESTDIR"/overlay / \
-a "udev-rules base rootfs-block fs-lib debug kernel-modules" \
-d "af_packet piix ide-gd_mod ata_piix ext3 sd_mod e1000 drbg" \
--no-hostonly-cmdline -N \
-f "$TESTDIR"/initramfs.server "$KVERSION" || return 1
"$basedir"/dracut.sh -l -i "$TESTDIR"/overlay / \
-o "plymouth dash iscsi nfs ${OMIT_NETWORK}" \
-a "debug watchdog ${USE_NETWORK}" \
-d "af_packet piix ide-gd_mod ata_piix ext3 ext3 sd_mod e1000 i6300esb ib700wdt" \
--no-hostonly-cmdline -N \
-f "$TESTDIR"/initramfs.testing "$KVERSION" || return 1
}
kill_server() {
if [[ -s $TESTDIR/server.pid ]]; then
kill -TERM "$(cat "$TESTDIR"/server.pid)"
rm -f -- "$TESTDIR"/server.pid
fi
}
test_cleanup() {
kill_server
}
# shellcheck disable=SC1090
. "$testdir"/test-functions