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#!/bin/bash -e
# This wrapper wraps the invocation of the test. It is called by run-tests.sh,
# and already in the unshared namespace.
#
# For some printf debugging, you can also patch this file.
array_contains() {
local needle="$1"
local a
shift
for a; do
[ "$a" = "$needle" ] && return 0
done
return 1
}
TEST="$1"
TESTBASE="$(basename "$TEST")"
TESTDIR="$(dirname "$TEST")"
START_TIME="$(cut -d ' ' -f1 /proc/uptime)"
export TMPDIR="$NFT_TEST_TESTTMPDIR"
CLEANUP_UMOUNT_VAR_RUN=n
cleanup() {
if [ "$CLEANUP_UMOUNT_VAR_RUN" = y ] ; then
umount "/var/run" &>/dev/null || :
fi
}
trap cleanup EXIT
printf '%s\n' "$TEST" > "$NFT_TEST_TESTTMPDIR/name"
read tainted_before < /proc/sys/kernel/tainted
if [ "$NFT_TEST_HAS_UNSHARED_MOUNT" = y ] ; then
# We have a private mount namespace. We will mount /var/run/ as a tmpfs.
#
# The main purpose is so that we can create /var/run/netns, which is
# required for `ip netns add` to work. When running as rootless, this
# is necessary to get such tests to pass. When running rootful, it's
# still useful to not touch the "real" /var/run/netns of the system.
#
# Note that this also hides everything that might reside in /var/run.
# That is desirable, as tests should not depend on content there (or if
# they do, we need to explicitly handle it as appropriate).
if mount -t tmpfs --make-private "/var/run" ; then
CLEANUP_UMOUNT_VAR_RUN=y
fi
mkdir -p /var/run/netns
fi
TEST_TAGS_PARSED=0
ensure_TEST_TAGS() {
if [ "$TEST_TAGS_PARSED" = 0 ] ; then
TEST_TAGS_PARSED=1
TEST_TAGS=( $(sed -n '1,10 { s/^.*\<\(NFT_TEST_REQUIRES\|NFT_TEST_SKIP\)\>\s*(\s*\(NFT_TEST_SKIP_[a-zA-Z0-9_]\+\|NFT_TEST_HAVE_[a-zA-Z0-9_]\+\)\s*).*$/\1(\2)/p }' "$1" 2>/dev/null || : ) )
fi
}
rc_test=0
if [ "$rc_test" -eq 0 ] ; then
for KEY in $(compgen -v | grep '^NFT_TEST_HAVE_') ; do
if [ "${!KEY}" != n ]; then
continue
fi
ensure_TEST_TAGS "$TEST"
if array_contains "NFT_TEST_REQUIRES($KEY)" "${TEST_TAGS[@]}" ; then
echo "Test skipped due to $KEY=n (test has \"NFT_TEST_REQUIRES($KEY)\" tag)" >> "$NFT_TEST_TESTTMPDIR/testout.log"
rc_test=77
break
fi
done
fi
if [ "$rc_test" -eq 0 ] ; then
for KEY in $(compgen -v | grep '^NFT_TEST_SKIP_') ; do
if [ "${!KEY}" != y ]; then
continue
fi
ensure_TEST_TAGS "$TEST"
if array_contains "NFT_TEST_SKIP($KEY)" "${TEST_TAGS[@]}" ; then
echo "Test skipped due to $KEY=y (test has \"NFT_TEST_SKIP($KEY)\" tag)" >> "$NFT_TEST_TESTTMPDIR/testout.log"
rc_test=77
break
fi
done
fi
if [ "$rc_test" -eq 0 ] ; then
"$TEST" &>> "$NFT_TEST_TESTTMPDIR/testout.log" || rc_test=$?
fi
$NFT list ruleset > "$NFT_TEST_TESTTMPDIR/ruleset-after"
read tainted_after < /proc/sys/kernel/tainted
DUMPPATH="$TESTDIR/dumps"
DUMPFILE="$DUMPPATH/$TESTBASE.nft"
NODUMPFILE="$DUMPPATH/$TESTBASE.nodump"
dump_written=
# The caller can request a re-geneating of the dumps, by setting
# DUMPGEN=y.
#
# This only will happen if the command completed with success.
#
# It also will only happen for tests, that have a "$DUMPPATH" directory. There
# might be tests, that don't want to have dumps created. The existence of the
# directory controls that. Tests that have a "$NODUMPFILE" file, don't get a dump generated.
if [ "$rc_test" -eq 0 -a "$DUMPGEN" = y -a -d "$DUMPPATH" -a ! -f "$NODUMPFILE" ] ; then
dump_written=y
if [ ! -f "$DUMPFILE" ] ; then
# No dumpfile exists yet. We generate both a .nft and a .nodump
# file. The user can pick which one to commit to git.
: > "$NODUMPFILE"
fi
cat "$NFT_TEST_TESTTMPDIR/ruleset-after" > "$DUMPFILE"
fi
rc_dump=0
if [ "$rc_test" -ne 77 -a -f "$DUMPFILE" ] ; then
if [ "$dump_written" != y ] ; then
if ! $DIFF -u "$DUMPFILE" "$NFT_TEST_TESTTMPDIR/ruleset-after" &> "$NFT_TEST_TESTTMPDIR/ruleset-diff" ; then
rc_dump=1
else
rm -f "$NFT_TEST_TESTTMPDIR/ruleset-diff"
fi
fi
fi
if [ "$rc_dump" -ne 0 ] ; then
echo "$DUMPFILE" > "$NFT_TEST_TESTTMPDIR/rc-failed-dump"
fi
rc_chkdump=0
# check that a flush after the test succeeds. We anyway need a clean ruleset
# for the `nft --check` next.
$NFT flush ruleset &> "$NFT_TEST_TESTTMPDIR/rc-failed-chkdump" || rc_chkdump=1
if [ -f "$DUMPFILE" ] ; then
# We have a dumpfile. Call `nft --check` to possibly cover new code
# paths.
if [ "$rc_test" -eq 77 ] ; then
# The test was skipped. Possibly we don't have the required
# features to process this file. Ignore any output and exit
# code, but still call the program (for valgrind or sanitizer
# issue we hope to find).
$NFT --check -f "$DUMPFILE" &>/dev/null || :
else
$NFT --check -f "$DUMPFILE" &>> "$NFT_TEST_TESTTMPDIR/rc-failed-chkdump" || rc_chkdump=1
fi
fi
if [ -s "$NFT_TEST_TESTTMPDIR/rc-failed-chkdump" ] ; then
# Non-empty output? That is wrong.
rc_chkdump=1
elif [ "$rc_chkdump" -eq 0 ] ; then
rm -rf "$NFT_TEST_TESTTMPDIR/rc-failed-chkdump"
fi
if [ "$rc_chkdump" -ne 0 ] ; then
# Ensure we don't have empty output files. Always write something, so
# that `grep ^ -R` lists the file.
echo -e "<<<<<\n\nCalling \`nft --check\` (or \`nft flush ruleset\`) failed for \"$DUMPFILE\"" >> "$NFT_TEST_TESTTMPDIR/rc-failed-chkdump"
fi
rc_valgrind=0
[ -f "$NFT_TEST_TESTTMPDIR/rc-failed-valgrind" ] && rc_valgrind=1
rc_tainted=0
if [ "$tainted_before" != "$tainted_after" ] ; then
echo "$tainted_after" > "$NFT_TEST_TESTTMPDIR/rc-failed-tainted"
rc_tainted=1
fi
if [ "$rc_valgrind" -ne 0 ] ; then
rc_exit=122
elif [ "$rc_tainted" -ne 0 ] ; then
rc_exit=123
elif [ "$rc_test" -ge 118 -a "$rc_test" -le 124 ] ; then
# Special exit codes are reserved. Coerce them.
rc_exit=125
elif [ "$rc_test" -ne 0 ] ; then
rc_exit="$rc_test"
elif [ "$rc_dump" -ne 0 ] ; then
rc_exit=124
elif [ "$rc_chkdump" -ne 0 ] ; then
rc_exit=121
else
rc_exit=0
fi
# We always write the real exit code of the test ($rc_test) to one of the files
# rc-{ok,skipped,failed}, depending on which it is.
#
# Note that there might be other rc-failed-{dump,tainted,valgrind} files with
# additional errors. Note that if such files exist, the overall state will
# always be failed too (and an "rc-failed" file exists).
#
# On failure, we also write the combined "$rc_exit" code from "test-wrapper.sh"
# to "rc-failed-exit" file.
#
# This means, failed tests will have a "rc-failed" file, and additional
# "rc-failed-*" files exist for further information.
if [ "$rc_exit" -eq 0 ] ; then
RC_FILENAME="rc-ok"
elif [ "$rc_exit" -eq 77 ] ; then
RC_FILENAME="rc-skipped"
else
RC_FILENAME="rc-failed"
echo "$rc_exit" > "$NFT_TEST_TESTTMPDIR/rc-failed-exit"
fi
echo "$rc_test" > "$NFT_TEST_TESTTMPDIR/$RC_FILENAME"
END_TIME="$(cut -d ' ' -f1 /proc/uptime)"
WALL_TIME="$(awk -v start="$START_TIME" -v end="$END_TIME" "BEGIN { print(end - start) }")"
printf "%s\n" "$WALL_TIME" "$START_TIME" "$END_TIME" > "$NFT_TEST_TESTTMPDIR/times"
exit "$rc_exit"
|
