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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 NFS with $USE_NETWORK"
KVERSION=${KVERSION-$(uname -r)}
# Uncomment this to debug failures
#DEBUGFAIL="loglevel=1"
#DEBUGFAIL="rd.shell rd.break rd.debug loglevel=7 "
#DEBUGFAIL="rd.debug loglevel=7 rd.break=initqueue rd.shell"
#SERVER_DEBUG="rd.debug loglevel=7"
#SERIAL="unix:/tmp/server.sock"
run_server() {
# Start server first
echo "NFS TEST SETUP: Starting DHCP/NFS server"
declare -a disk_args=()
# shellcheck disable=SC2034
declare -i disk_index=0
qemu_add_drive_args disk_index disk_args "$TESTDIR"/root.img root 1
"$testdir"/run-qemu \
"${disk_args[@]}" \
-net socket,listen=127.0.0.1:12320 \
-net nic,macaddr=52:54:00:12:34:56,model=e1000 \
-serial "${SERIAL:-"file:$TESTDIR/server.log"}" \
-watchdog i6300esb -watchdog-action poweroff \
-append "panic=1 hung_task_panic=1 oops=panic softlockup_panic=1 quiet root=LABEL=dracut 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 ! [[ $SERIAL ]]; then
while ! grep -q Serving "$TESTDIR"/server.log; do
echo "Waiting for the server to startup"
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 server="$4"
local check_opt="$5"
local nfsinfo opts found expected
echo "CLIENT TEST START: $test_name"
# Need this so kvm-qemu will boot (needs non-/dev/zero local disk)
dd if=/dev/zero of="$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 "$TESTDIR"/marker.img marker
if dhclient --help 2>&1 | grep -q -F -- '--timeout' 2> /dev/null; then
cmdline="$cmdline rd.net.timeout.dhcp=3"
fi
"$testdir"/run-qemu \
"${disk_args[@]}" \
-net nic,macaddr="$mac",model=e1000 \
-net socket,connect=127.0.0.1:12320 \
-watchdog i6300esb -watchdog-action poweroff \
-append "panic=1 hung_task_panic=1 oops=panic softlockup_panic=1 systemd.crash_reboot rd.shell=0 $cmdline $DEBUGFAIL rd.retry=10 quiet ro console=ttyS0,115200n81 selinux=0" \
-initrd "$TESTDIR"/initramfs.testing
# shellcheck disable=SC2181
if [[ $? -ne 0 ]] || ! grep -U --binary-files=binary -F -m 1 -q nfs-OK "$TESTDIR"/marker.img; then
echo "CLIENT TEST END: $test_name [FAILED - BAD EXIT]"
return 1
fi
# nfsinfo=( server:/path nfs{,4} options )
read -r -a nfsinfo < <(awk '{print $2, $3, $4; exit}' "$TESTDIR"/marker.img)
if [[ ${nfsinfo[0]%%:*} != "$server" ]]; then
echo "CLIENT TEST INFO: got server: ${nfsinfo[0]%%:*}"
echo "CLIENT TEST INFO: expected server: $server"
echo "CLIENT TEST END: $test_name [FAILED - WRONG SERVER]"
return 1
fi
found=0
expected=1
if [[ ${check_opt:0:1} == '-' ]]; then
expected=0
check_opt=${check_opt:1}
fi
opts=${nfsinfo[2]},
while [[ $opts ]]; do
if [[ ${opts%%,*} == "$check_opt" ]]; then
found=1
break
fi
opts=${opts#*,}
done
if [[ $found -ne $expected ]]; then
echo "CLIENT TEST INFO: got options: ${nfsinfo[2]%%:*}"
if [[ $expected -eq 0 ]]; then
echo "CLIENT TEST INFO: did not expect: $check_opt"
echo "CLIENT TEST END: $test_name [FAILED - UNEXPECTED OPTION]"
else
echo "CLIENT TEST INFO: missing: $check_opt"
echo "CLIENT TEST END: $test_name [FAILED - MISSING OPTION]"
fi
return 1
fi
echo "CLIENT TEST END: $test_name [OK]"
return 0
}
test_nfsv3() {
# MAC numbering scheme:
# NFSv3: last octect starts at 0x00 and works up
# NFSv4: last octect starts at 0x80 and works up
client_test "NFSv3 root=dhcp DHCP path only" 52:54:00:12:34:00 \
"root=dhcp" 192.168.50.1 -wsize=4096 || return 1
if [[ "$(systemctl --version)" != *"systemd 230"* ]] 2> /dev/null; then
client_test "NFSv3 Legacy root=/dev/nfs nfsroot=IP:path" 52:54:00:12:34:01 \
"root=/dev/nfs nfsroot=192.168.50.1:/nfs/client" 192.168.50.1 -wsize=4096 || return 1
client_test "NFSv3 Legacy root=/dev/nfs DHCP path only" 52:54:00:12:34:00 \
"root=/dev/nfs" 192.168.50.1 -wsize=4096 || return 1
client_test "NFSv3 Legacy root=/dev/nfs DHCP IP:path" 52:54:00:12:34:01 \
"root=/dev/nfs" 192.168.50.2 -wsize=4096 || return 1
fi
client_test "NFSv3 root=dhcp DHCP IP:path" 52:54:00:12:34:01 \
"root=dhcp" 192.168.50.2 -wsize=4096 || return 1
client_test "NFSv3 root=dhcp DHCP proto:IP:path" 52:54:00:12:34:02 \
"root=dhcp" 192.168.50.3 -wsize=4096 || return 1
client_test "NFSv3 root=dhcp DHCP proto:IP:path:options" 52:54:00:12:34:03 \
"root=dhcp" 192.168.50.3 wsize=4096 || return 1
client_test "NFSv3 root=nfs:..." 52:54:00:12:34:04 \
"root=nfs:192.168.50.1:/nfs/client" 192.168.50.1 -wsize=4096 || return 1
client_test "NFSv3 Bridge root=nfs:..." 52:54:00:12:34:04 \
"root=nfs:192.168.50.1:/nfs/client bridge net.ifnames=0" 192.168.50.1 -wsize=4096 || return 1
client_test "NFSv3 Legacy root=IP:path" 52:54:00:12:34:04 \
"root=192.168.50.1:/nfs/client" 192.168.50.1 -wsize=4096 || return 1
# This test must fail: nfsroot= requires root=/dev/nfs
client_test "NFSv3 Invalid root=dhcp nfsroot=/nfs/client" 52:54:00:12:34:04 \
"root=dhcp nfsroot=/nfs/client failme rd.debug" 192.168.50.1 -wsize=4096 && return 1
client_test "NFSv3 root=dhcp DHCP path,options" \
52:54:00:12:34:05 "root=dhcp" 192.168.50.1 wsize=4096 || return 1
client_test "NFSv3 Bridge Customized root=dhcp DHCP path,options" \
52:54:00:12:34:05 "root=dhcp bridge=foobr0:enp0s1" 192.168.50.1 wsize=4096 || return 1
client_test "NFSv3 root=dhcp DHCP IP:path,options" \
52:54:00:12:34:06 "root=dhcp" 192.168.50.2 wsize=4096 || return 1
client_test "NFSv3 root=dhcp DHCP proto:IP:path,options" \
52:54:00:12:34:07 "root=dhcp" 192.168.50.3 wsize=4096 || return 1
return 0
}
test_nfsv4() {
# There is a mandatory 90 second recovery when starting the NFSv4
# server, so put these later in the list to avoid a pause when doing
# switch_root
client_test "NFSv4 root=dhcp DHCP proto:IP:path" 52:54:00:12:34:82 \
"root=dhcp" 192.168.50.3 -wsize=4096 || return 1
client_test "NFSv4 root=dhcp DHCP proto:IP:path:options" 52:54:00:12:34:83 \
"root=dhcp" 192.168.50.3 wsize=4096 || return 1
client_test "NFSv4 root=nfs4:..." 52:54:00:12:34:84 \
"root=nfs4:192.168.50.1:/client" 192.168.50.1 \
-wsize=4096 || return 1
client_test "NFSv4 root=dhcp DHCP proto:IP:path,options" \
52:54:00:12:34:87 "root=dhcp" 192.168.50.3 wsize=4096 || return 1
return 0
}
test_run() {
if [[ -s server.pid ]]; then
kill -TERM "$(cat "$TESTDIR"/server.pid)"
rm -f -- "$TESTDIR"/server.pid
fi
if ! run_server; then
echo "Failed to start server" 1>&2
return 1
fi
test_nfsv3 \
&& test_nfsv4
ret=$?
if [[ -s $TESTDIR/server.pid ]]; then
kill -TERM "$(cat "$TESTDIR"/server.pid)"
rm -f -- "$TESTDIR"/server.pid
fi
return $ret
}
test_setup() {
export kernel=$KVERSION
export srcmods="/lib/modules/$kernel/"
# Detect lib paths
(
mkdir -p "$TESTDIR"/server/overlay/source
# shellcheck disable=SC2030
export initdir=$TESTDIR/server/overlay/source
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
for _f in modules.builtin.bin modules.builtin; do
[[ -f $srcmods/$_f ]] && break
done || {
dfatal "No modules.builtin.bin and modules.builtin found!"
return 1
}
for _f in modules.builtin.bin modules.builtin modules.order; do
[[ -f $srcmods/$_f ]] && inst_simple "$srcmods/$_f" "/lib/modules/$kernel/$_f"
done
inst_multiple sh ls shutdown poweroff stty cat ps ln ip \
dmesg mkdir cp ping exportfs \
modprobe rpc.nfsd rpc.mountd showmount tcpdump \
/etc/services sleep mount chmod rm
for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
[ -f ${_terminfodir}/l/linux ] && break
done
inst_multiple -o ${_terminfodir}/l/linux
type -P portmap > /dev/null && inst_multiple portmap
type -P rpcbind > /dev/null && inst_multiple rpcbind
[ -f /etc/netconfig ] && inst_multiple /etc/netconfig
type -P dhcpd > /dev/null && inst_multiple dhcpd
[ -x /usr/sbin/dhcpd3 ] && inst /usr/sbin/dhcpd3 /usr/sbin/dhcpd
instmods nfsd sunrpc ipv6 lockd af_packet
inst ./server-init.sh /sbin/init
inst_simple /etc/os-release
inst ./hosts /etc/hosts
inst ./exports /etc/exports
inst ./dhcpd.conf /etc/dhcpd.conf
inst_multiple /etc/nsswitch.conf /etc/rpc /etc/protocols
inst_multiple rpc.idmapd /etc/idmapd.conf
inst_libdir_file 'libnfsidmap_nsswitch.so*'
inst_libdir_file 'libnfsidmap/*.so*'
inst_libdir_file 'libnfsidmap*.so*'
_nsslibs=$(sed -e '/^#/d' -e 's/^.*://' -e 's/\[NOTFOUND=return\]//' /etc/nsswitch.conf \
| tr -s '[:space:]' '\n' | sort -u | tr -s '[:space:]' '|')
_nsslibs=${_nsslibs#|}
_nsslibs=${_nsslibs%|}
inst_libdir_file -n "$_nsslibs" 'libnss_*.so*'
(
cd "$initdir" || exit
mkdir -p dev sys proc run etc var/run tmp var/lib/{dhcpd,rpcbind}
mkdir -p var/lib/nfs/{v4recovery,rpc_pipefs}
chmod 777 var/lib/rpcbind var/lib/nfs
)
inst /etc/nsswitch.conf /etc/nsswitch.conf
inst /etc/passwd /etc/passwd
inst /etc/group /etc/group
cp -a /etc/ld.so.conf* "$initdir"/etc
ldconfig -r "$initdir"
dracut_kernel_post
)
# Make client root inside server root
(
# shellcheck disable=SC2030
# shellcheck disable=SC2031
export initdir=$TESTDIR/server/overlay/source/nfs/client
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
(
cd "$initdir" || exit
mkdir -p dev sys proc etc run
mkdir -p var/lib/nfs/rpc_pipefs
mkdir -p root usr/bin usr/lib usr/lib64 usr/sbin
for i in bin sbin lib lib64; do
ln -sfnr usr/$i $i
done
)
inst_multiple sh shutdown poweroff stty cat ps ln ip dd \
mount dmesg mkdir cp ping grep setsid ls vi less cat 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 "${initdir}/usr/bin/dracut-getargs"
inst ./client-init.sh /sbin/init
inst_simple /etc/os-release
inst /etc/nsswitch.conf /etc/nsswitch.conf
inst /etc/passwd /etc/passwd
inst /etc/group /etc/group
inst_libdir_file 'libnfsidmap_nsswitch.so*'
inst_libdir_file 'libnfsidmap/*.so*'
inst_libdir_file 'libnfsidmap*.so*'
_nsslibs=$(sed -e '/^#/d' -e 's/^.*://' -e 's/\[NOTFOUND=return\]//' /etc/nsswitch.conf \
| tr -s '[:space:]' '\n' | sort -u | tr -s '[:space:]' '|')
_nsslibs=${_nsslibs#|}
_nsslibs=${_nsslibs%|}
inst_libdir_file -n "$_nsslibs" 'libnss_*.so*'
cp -a /etc/ld.so.conf* "$initdir"/etc
ldconfig -r "$initdir"
)
# second, install the files needed to make the root filesystem
(
# shellcheck disable=SC2030
# shellcheck disable=SC2031
export initdir=$TESTDIR/server/overlay
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
inst_multiple sfdisk mkfs.ext3 poweroff cp umount sync dd
inst_hook initqueue 01 ./create-root.sh
inst_hook initqueue/finished 01 ./finished-false.sh
)
# create an initramfs that will create the target root filesystem.
# We do it this way so that we do not risk trashing the host mdraid
# devices, volume groups, encrypted partitions, etc.
"$basedir"/dracut.sh -l -i "$TESTDIR"/server/overlay / \
-m "bash udev-rules base rootfs-block fs-lib kernel-modules fs-lib qemu" \
-d "piix ide-gd_mod ata_piix ext3 sd_mod" \
--nomdadmconf \
--no-hostonly-cmdline -N \
-f "$TESTDIR"/initramfs.makeroot "$KVERSION" || return 1
rm -rf -- "$TESTDIR"/server
dd if=/dev/zero of="$TESTDIR"/root.img bs=1MiB count=80
dd if=/dev/zero of="$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"/root.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
# Make an overlay with needed tools for the test harness
(
# shellcheck disable=SC2031
export initdir=$TESTDIR/overlay
# shellcheck disable=SC1090
. "$basedir"/dracut-init.sh
mkdir -p "$TESTDIR"/overlay
inst_multiple poweroff shutdown
inst_hook shutdown-emergency 000 ./hard-off.sh
inst_hook emergency 000 ./hard-off.sh
inst_simple ./99-default.link /etc/systemd/network/99-default.link
)
# Make server's dracut image
"$basedir"/dracut.sh -l -i "$TESTDIR"/overlay / \
-m "dash udev-rules base rootfs-block fs-lib debug kernel-modules watchdog qemu" \
-d "af_packet piix ide-gd_mod ata_piix ext3 sd_mod e1000 i6300esb" \
--no-hostonly-cmdline -N \
-f "$TESTDIR"/initramfs.server "$KVERSION" || return 1
# Make client's dracut image
"$basedir"/dracut.sh -l -i "$TESTDIR"/overlay / \
-o "plymouth dash ${OMIT_NETWORK}" \
-a "debug watchdog ${USE_NETWORK}" \
-d "af_packet piix ide-gd_mod ata_piix sd_mod e1000 nfs sunrpc i6300esb" \
--no-hostonly-cmdline -N \
-f "$TESTDIR"/initramfs.testing "$KVERSION" || return 1
}
test_cleanup() {
if [[ -s $TESTDIR/server.pid ]]; then
kill -TERM "$(cat "$TESTDIR"/server.pid)"
rm -f -- "$TESTDIR"/server.pid
fi
}
# shellcheck disable=SC1090
. "$testdir"/test-functions