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When the valgrind process gets killed, those files can be left over.
They are located in the original $TMPDIR (usually /tmp). They should be
cleaned up.
I tried to cleanup the files from withing "nft-valgrind-wrapper.sh"
itself via a `trap`, but it doesn't work. Instead, let "run-tests.sh"
delete all files with a matching pattern.
Signed-off-by: Thomas Haller <thaller@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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"test-wrapper.sh" sets TMPDIR="$NFT_TEST_TESTTMPDIR". That is useful, so
that temporary files of the tests are placed inside the test result
data.
Sometimes tests miss to delete those files, which would result in piling
up /tmp/tmp.XXXXXXXXXX files. By setting $TMPDIR, those files are
clearly related to the test run that created them, and can be deleted
together.
However, valgrind likes to create files like
"vgdb-pipe-from-vgdb-to-68-by-thom-on-???" inside $TMPDIR. These are
pipes, so if you run `grep -R ^ /tmp/nft-test.latest` while
the test is still running (to inspect the results), then the process
hands reading from the pipe.
Instead, tell valgrind to put those files in the original TMPDIR. For
that purpose, export NFT_TEST_TMPDIR_ORIG from "run-tests.sh".
Signed-off-by: Thomas Haller <thaller@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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With VALGRIND=y, on memleaks the tests did not fail. Fix that by passing
"--error-exitcode=122" to valgrind.
But just returning 122 from $NFT command may not correctly fail the test.
Instead, ensure to write a "rc-failed-valrind" file, which is picked up
by "test-wrapper.sh" to properly handle the valgrind failure (and fail
with error code 122 itself).
Also, accept NFT_TEST_VALGRIND_OPTS variable to a pass additional
arguments to valgrind. For example a "--suppressions" file.
Also show the special error code [VALGRIND] in "run-test.sh".
Signed-off-by: Thomas Haller <thaller@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Previously, in valgrind mode we would generate one script, which had
"$NFT" variable and the temp directory hard coded.
Soon, we will run jobs in parallel, so they would need at least
different temp directories. Also, we want to put the valgrind results
are inside "$NFT_TEST_TESTTMPDIR", along the test data.
Extract the wrapper script to a separate script. It does not need to be
generated ad-hoc, instead it uses the environment variables "$NFT_REAL" and
"$NFT_TEST_TESTTMPDIR", as "run-tests.sh" prepares them.
Also, add a "$NFT_REAL" variable for the actual NFT binary. We wrap the
"$NFT" variable with VALGRIND=y or the user may pass "NFT='valgrind
nft'". We should have access to the real binary. That might be useful
for example to call `ldd "$NFT_REAL" | grep libjansson` to check for
JSON support.
Also, we use libtool. So quite possible the nft binary is actually a
shell script. Calling valgrind on that script results in a lot of leak
reports from shell (and slows down the command). Instead, use `libtool
--mode=execute`.
Signed-off-by: Thomas Haller <thaller@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
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