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|
#!/usr/bin/env bash
#
# Test wrapper run inside the VM
set -o nounset
set -o errexit
set -o errtrace
export PS4='+`basename ${BASH_SOURCE[0]}`:${LINENO}:${FUNCNAME[0]:+${FUNCNAME[0]}()}+ '
KERNEL_ARCH=""
. /host/$ktest_env
ktest_dir="/host/$ktest_dir"
ktest_tmp="/host/$ktest_tmp"
ktest_out="/host/$ktest_out"
ln -sf $ktest_dir /ktest
ln -sf $ktest_out /ktest-out
# Some home directories are in weird places:
mkdir -p $(dirname $home)
ln -sf /host/$home $home
ktest_no_cleanup_tmpdir=1
log_verbose "Testrunner starting"
mkdir -p /root/.ssh
cat $home/.ssh/id*.pub > /root/.ssh/authorized_keys
chmod 600 /root/.ssh/authorized_keys
ln -sf "/host/$ktest_kernel_binary/lib/modules" /lib/modules
dmesg --console-on
dmesg --console-level 8
echo 1 > /proc/sys/kernel/sysrq
ulimit -c unlimited
# Log file system visible to host
# Core dump settings
echo 1 > /proc/sys/fs/suid_dumpable
echo "|/bin/cp --sparse=always /dev/stdin $ktest_out/core.%e.PID%p.SIG%s.TIME%t" > /proc/sys/kernel/core_pattern
ulimit -c unlimited
# Virtual block device tweaks
echo none | tee /sys/block/sd*/queue/scheduler >/dev/null 2>&1 || true
# Check if we are running the crashdump kernel
if [[ -s /proc/vmcore ]]; then
echo "Collecting crash dump..."
cp --sparse=always /proc/vmcore "$ktest_out/vmcore" || true
sync
poweroff
fi
# If debugging crash dumps, add "console=hvc0" to the append line
# below:
if [[ $ktest_crashdump = 1 ]]; then
kexec -p /host/$ktest_kernel_binary/vmlinuz --append="root=/dev/sda rw maxcpus=1" || true
fi
NR_REBOOTS=0
EXPECTED_REBOOT=0
[[ -e /NR_REBOOTS ]] && NR_REBOOTS=$(</NR_REBOOTS)
[[ -e /EXPECTED_REBOOT ]] && EXPECTED_REBOOT=$(</EXPECTED_REBOOT)
if [[ $NR_REBOOTS != $EXPECTED_REBOOT ]]; then
echo "UNEXPECTED REBOOT: got $NR_REBOOTS expected $EXPECTED_REBOOT"
echo "TEST FAILED"
exit 1
fi
echo $((NR_REBOOTS + 1)) | dd of=/NR_REBOOTS oflag=direct 2> /dev/null
if compgen -G "$ktest_tmp/*.deb" > /dev/null; then
if ! output=$(dpkg -i $ktest_tmp/*.deb); then
echo $output
exit 1
fi
fi
for i in "${ktest_make_install[@]}"; do
pushd "/host/$i" > /dev/null
if [[ -f autogen.sh && ! -f configure ]]; then
run_quiet "autogen $(basename $i)" ./autogen.sh
fi
if [[ -f configure && ! -f Makefile ]]; then
run_quiet "configure $(basename $i)" ./configure
fi
run_quiet "building $(basename $i)" make -j $ktest_cpus
run_quiet "installing $(basename $i)" make -j $ktest_cpus install
popd > /dev/null
done
get_stratch_devs()
{
echo
sfdisk -X gpt /dev/sdb
}
copy_to_host()
{
cat /sys/kernel/debug/tracing/trace > $ktest_out/trace.txt
# Code coverage
local gcov_dir=/sys/kernel/debug/gcov
if [[ -d $gcov_dir ]]; then
# find a destination dir that doesn't exist, so we can copy multiple
# sets of gcov data from different tests/reboots and merge them later
for i in {0..99}; do
dst=$ktest_out/gcov.$i
if [[ ! -d $dst ]]; then
cp -dR $gcov_dir "$dst"
break
fi
done
fi
sync
}
check_taint()
{
read taint < /proc/sys/kernel/tainted
if [[ $taint != 0 ]]; then
echo "Failure because kernel tainted - check log for warnings"
echo "TEST FAILED"
exit 0
fi
}
do_reboot()
{
copy_to_host
check_taint
echo $((NR_REBOOTS + 1)) | dd of=/EXPECTED_REBOOT oflag=direct 2> /dev/null
echo b > /proc/sysrq-trigger
}
echo -n "Kernel version: "
uname -r
if [[ -z $ktest_tests ]]; then
echo "No tests found"
echo "TEST FAILED"
exit 1
fi
ktest_tests=$(echo $ktest_tests)
if [[ $ktest_tests = "none" ]]; then
echo "No tests to run"
echo "TEST FAILED"
exit 0
fi
trap 'pkill -P $$ >/dev/null' EXIT
cd /root
export ktest_failfast
export ktest_out
set +e
ret=0
iterations=0
while [[ $ret = 0 ]]; do
/host/$ktest_test run-tests $ktest_tests
ret=$?
pkill -P $$ >/dev/null || true
[[ $ret != 0 ]] && break
[[ $ktest_loop = 1 ]] || break
iterations=$((iterations + 1))
echo "SUCCESSFUL ITERATIONS $iterations"
done
copy_to_host
check_taint
echo -n "Kernel version: "
uname -r
if [[ $ret = 0 ]]; then
echo "TEST SUCCESS"
else
echo "TEST FAILED"
fi
|
