kpatch/test/integration/rhel-7.6/multiple.test

#!/bin/bash

SCRIPTDIR="$(readlink -f $(dirname $(type -p $0)))"
ROOTDIR="$(readlink -f $SCRIPTDIR/../..)"
KPATCH="sudo $ROOTDIR/kpatch/kpatch"

MODULE_PREFIX="test-"
MODULE_POSTFIX=".ko"
TEST_POSTFIX="-LOADED.test"

set -o errexit

die() {
	echo "ERROR: $@" >&2
	exit 1
}

ko_to_test() {
	tmp=${1%${MODULE_POSTFIX}}${TEST_POSTFIX}
	echo ${tmp#${MODULE_PREFIX}}
}

# make sure any modules added here are disjoint
declare -a modules
declare -a blacklist=(meminfo-string-LOADED.test)

for file in "${SCRIPTDIR}"/*"${TEST_POSTFIX}"; do
	name=$(basename ${file})
	skip=0
	for bname in "${blacklist[@]}"; do
		if [ "${bname}" == "${name}" ]; then
			skip=1
			break
		fi
	done
	if [ ${skip} -eq 0 ]; then
		modules+=(${MODULE_PREFIX}${name%${TEST_POSTFIX}}${MODULE_POSTFIX})
	fi
done

for mod in "${modules[@]}"; do
	testprog=$(ko_to_test $mod)
	$SCRIPTDIR/$testprog && die "$SCRIPTDIR/$testprog succeeded before loading any modules"
done

for mod in "${modules[@]}"; do
	$KPATCH load $mod
done

for mod in "${modules[@]}"; do
	testprog=$(ko_to_test $mod)
	$SCRIPTDIR/$testprog || die "$SCRIPTDIR/$testprog failed after loading modules"
done

for ((idx=${#modules[@]}-1 ; idx>=0 ; idx--)); do
	mod=${modules[idx]}
	$KPATCH unload $mod
done

for mod in "${modules[@]}"; do
	testprog=$(ko_to_test $mod)
	$SCRIPTDIR/$testprog && die "$SCRIPTDIR/$testprog succeeded after unloading modules"
done

exit 0