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"systemd-testsuite" gets in the way when grepping for "testsuite-*.sh".
Also, the name doesn't matter for anything, so let's just use something
very short to save space.
When editing this function in 7bf20e48bd, I couldn't
decide whether to initialize ret at the top and only reset it on success, or
whether to assign a value in each branch. In the end I did neither ;( So if the
test finished without creating any of the result files, we would echo a
message, but return "success".
But there was bigger confusion with /failed: some tests create it empty, some
don't. I think we may want to do away pre-creation of /failed completely, and
assume the test failed unless /testok is found. But I'm leaving that for later
rework. For now let's just make sure we report return success only if /testok
or /skipped is found.
This commit applies the filtering imposed by LogLevelMax on a unit's
processes to messages logged by PID1 about the unit as well.
The target use case for this feature is a service that runs on a timer
many times an hour, where the system administrator decides that writing
a generic success message to the journal every few minutes or seconds
adds no diagnostic value and isn't worth the clutter or disk I/O.
Basically the same scenario as in
a33e2692e1, where `awk` exits as soon
as it finds a match, thus sending SIGPIPE to `ldd` if it's not fast
enough. That, in combination with `set -o pipefail` causes random &
unexpected fails, like:
```
No journal files were found.
-rw-r----- 1 root root 16777216 Apr 30 10:31
/var/tmp/TEST-01-BASIC_sanitizers-nspawn/system.journal
TEST-01-BASIC RUN: Basic systemd setup [OK]
systemd is not linked against the ASan DSO
gcc does this by default, for clang compile with -shared-libasan
make: *** [Makefile:2: clean-again] Error 1
make: Leaving directory '/build/test/TEST-01-BASIC'
```
Now, RoutesToDNS= and RoutesToNTP= are enabled by default on DHCPv4
client. So, if DHCP server picks up DNS or NTP servers from uplink,
then the routes may break CI environment.
Hopefully fixes#19463.
https://github.com/systemd/systemd/pull/19316 failed with:
[1065/1670] Linking target systemd-hwdb
--- command ---
14:28:29 /root/src/test/hwdb-test.sh
--- stdout ---
./systemd-hwdb does not exist, please build first
I'm not sure what is going on here… In principle meson says that tests may be
called from any directory, but in practice is was always the build directory.
So far we were relying on systemd-hwdb being present in '.', and this worked.
Either way, it's nicer to pass the exact path, so let's do that.
This allows to limit units to machines that run on a certain firmware
type. For device tree defined machines checking against the machine's
compatible is also possible.
Specifying the test number manually is tedious and prone to errors (as
recently proven). Since we have all the necessary data to work out the
test number, let's do it automagically.
We want to use the result in a shell pipeline hence use -P mode (pipe
mode) instead of -t mode (interactive tty mode) for systemd-run.
This shouldn't change much about the test, but is slightly more correct
(and quicker).
We have to invoke the tests as superuser, and not being able to read
the journal as the invoking user is annoying. I don't think there are
any security considerations here, since the invoking user can already
put arbitrary code in the Makefile and test scripts which get executed
with root privileges.
The logic to query test state was rather complex. I don't quite grok the point
of ret=$((ret+1))… But afaics, the precise result was always ignored by the
caller anyway.
We would remove stuff only if successful, so repeated invocations would
trivially fail.
Also drop "-f", so that if we expect to remove something, it must be there.
oomd works way better with swap, so let's make the test less flaky by
configuring a swap device for it. This also allows us to drop the ugly
`cat`s from the load-generating script.
Cover the case where a service is recovered out of reloading state via
a restart Restart= configuration.
Signed-off-by: Peter Morrow <pemorrow@linux.microsoft.com>
This code was partially broken, since the firmware directory was
undefined. Also, some of the parts were a dead code, since they relied
on code from the original dracut test suite.
`command -v <bin> | grep ...` can under certain conditions cause the
`command` to exit with SIGPIPE, which in combination with `set -o
pipefail` means that the tests sometimes randomly die during setup.
Let's avoid using pipes in such cases.
This breaks some existing loops which previously ignored if the piped
program exited with EC >0. Rewrite them to mitigate this (and also make
them more robust in some cases).
The test appears to be occasionally failing. It uses systemd-run to echo
'hello world' into a namespaced journal and then uses journalctl to look for it,
but it doesn't wait.
In the failed runs it can't find it, but the automated journal dump shows
the message at the end.
Use --wait to avoid races.
'! grep -v' does *not* test that there are no matching lines.
Instead, it checks that whether there are any non-matching lines.
And of course, for the test to fail, '! grep' cannot be part of
an expression with &&.
We were grepping for 'hello world', and in the namespace we would
match on 'hello world', and outside, on 'echo "hello world"'. When
the condition check was fixed, the test gave a false positive.
We were invoking 'systemd-run bash', but the test invoked by bash
was not effective. When the result of that check is propagated, the
outer command fails.
create_fifo() was added in a2fc2f8dd3, and
would always ignore failure. The test was trying to fail in this case, but
we actually don't fail, which seems to be correct. We didn't notice before
because the test was ineffective.
To make things consistent, generally log at warning level, but don't propagate
the error. For symlinks, log at debug level, as before.
For 'e', failure is not propagated now. The test is adjusted to match.
I think warning is appropriate in most cases: we do not expect a device node to
be replaced by a different device node or even a non-device file. This would
most likely be an error somewhere. An exception is made for symlinks, which are
mismatched on purpose, for example /etc/resolv.conf. With this patch, we don't
get any warnings with the any of the 74 tmpfiles.d files, which suggests that
increasing the warning levels will not cause too many unexpected warnings. If
it turns out that there are valid cases where people have expected mismatches
for non-symlink types, we can always decrease the log levels again.
Quoting of values differs between distros: Fedora doesn't quote the ID_
fields, but CentOS does.
Adjust the test checks to account for this.
Fixes#19242
"! test ..." does not cause the script to fail, even with set -e.
IIUC, bash treats this command as part of an expression line, as it
would if 'test ... && ...' was used. Failing expression lines do not
terminate the script.
This fixes the obvious cases by changing '! test' → 'test !'.
Then the inversion happens internally in test and bash will propagate
the failure.
Add an --extension parameter to portablectl, and new DBUS methods
to attach/detach/reattach/inspect.
Allows to append separate images on top of the root directory (os-release
will be searched in there) and mount the images using an overlay-like
setup (unit files will be searched in there) using the new ExtensionImages
service option.
When trying to calculate the next firing of 'Sun *-*-* 01:00:00', we'd fall
into an infinite loop, because mktime() moves us "backwards":
Before this patch:
tm_within_bounds: good=0 2021-03-29 01:00:00 → 2021-03-29 00:00:00
tm_within_bounds: good=0 2021-03-29 01:00:00 → 2021-03-29 00:00:00
tm_within_bounds: good=0 2021-03-29 01:00:00 → 2021-03-29 00:00:00
...
We rely on mktime() normalizing the time. The man page does not say that it'll
move the time forward, but our algorithm relies on this. So let's catch this
case explicitly.
With this patch:
$ TZ=Europe/Dublin faketime 2021-03-21 build/systemd-analyze calendar --iterations=5 'Sun *-*-* 01:00:00'
Normalized form: Sun *-*-* 01:00:00
Next elapse: Sun 2021-03-21 01:00:00 GMT
(in UTC): Sun 2021-03-21 01:00:00 UTC
From now: 59min left
Iter. #2: Sun 2021-04-04 01:00:00 IST
(in UTC): Sun 2021-04-04 00:00:00 UTC
From now: 1 weeks 6 days left <---- note the 2 week jump here
Iter. #3: Sun 2021-04-11 01:00:00 IST
(in UTC): Sun 2021-04-11 00:00:00 UTC
From now: 2 weeks 6 days left
Iter. #4: Sun 2021-04-18 01:00:00 IST
(in UTC): Sun 2021-04-18 00:00:00 UTC
From now: 3 weeks 6 days left
Iter. #5: Sun 2021-04-25 01:00:00 IST
(in UTC): Sun 2021-04-25 00:00:00 UTC
From now: 1 months 4 days left
Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1941335.
otherwise udev complains about the file being world-writable:
systemd-udevd[228]: Configuration file /etc/udev/rules.d/00-set-LD_PRELOAD.rules is marked world-writable. Please remove world writability permission bits. Proceeding anyway.
Fixes: systemd/systemd-centos-ci#354
When running TEST-22 under ASan, there's a chain of events which causes
`stat` to output an extraneous ASan error message, causing following
fail:
```
+ test -d /tmp/d/1
++ stat -c %U:%G:%a /tmp/d/1
==82==ASan runtime does not come first in initial library list; you should either link runtime to your application or manually preload it with LD_PRELOAD.
+ test = daemon:daemon:755
.//usr/lib/systemd/tests/testdata/units/testsuite-22.02.sh: line 24: test: =: unary operator expected
```
This is caused by `stat` calling nss which in Arch's configuration calls
the nss-systemd module, that pulls in libasan which causes the $LD_PRELOAD
error message, since `stat` is an uninstrumented binary.
The $LD_PRELOAD variable is explicitly unset for all testsuite-* services
since it causes various issues when calling uninstrumented libraries, so
setting it globally is not an option. Another option would be to set
$LD_PRELOAD for each `stat` call, but that would unnecessarily clutter
the test code.
This test would normally get stuck when trying to mount the verity image
due to:
systemd-udevd[299]: dm-0: '/usr/sbin/dmsetup udevflags 6293812'(err) '==371==ASan runtime does not come first in initial library list; you should either link runtime to your application or manually preload it with LD_PRELOAD.'
systemd-udevd[299]: dm-0: Process '/usr/sbin/dmsetup udevflags 6293812' failed with exit code 1
...
systemd-udevd[299]: dm-0: '/usr/sbin/dmsetup udevcomplete 6293812'(err) '==372==ASan runtime does not come first in initial library list; you should either link runtime to your application or manually preload it with LD_PRELOAD.'
systemd-udevd[299]: dm-0: Process '/usr/sbin/dmsetup udevcomplete 6293812' failed with exit code 1.
systemd-udevd[299]: dm-0: Command "/usr/sbin/dmsetup udevcomplete 6293812" returned 1 (error), ignoring.
so let's add a simple udev rule which sets $LD_PRELOAD for the block
subsystem.
Also, install the ASan library along with necessary dependencies into
the verity minimal image, to get rid of the annoying (yet harmless)
errors about missing library from $LD_LIBRARY.
The fuzzer seems to have no trouble with this sample. It seems that the
problem reported in the bug is not caused by the match parsing code. But
let's add the sample just in case.
https://bugzilla.redhat.com/show_bug.cgi?id=1935084
This fuzzer is based on test-bus-match. Even the initial corpus is
derived entirely from it.
https://bugzilla.redhat.com/show_bug.cgi?id=1935084 shows an crash
in bus_match_parse(). I checked the coverage stats on oss-fuzz, and
sadly existing fuzzing did not cover this code at all.
When running integration tests under sanitizers D-Bus fails to
shutdown cleanly, causing unnecessary noise in the logs:
```
dbus-daemon[272]: ==272==LeakSanitizer has encountered a fatal error.
dbus-daemon[272]: ==272==HINT: For debugging, try setting environment variable LSAN_OPTIONS=verbosity=1:log_threads=1
dbus-daemon[272]: ==272==HINT: LeakSanitizer does not work under ptrace (strace, gdb, etc)
```
Since we're not "sanitizing" D-Bus anyway let's disable LSan's at_exit
check for the dbus.service to get rid of this error.
freep() has it's own definition, so I missed it in fd421c4adc.
Again, there is a small growth, but the compiler should be able to optimize it away:
-Dbuildtype=debug:
-rwxrwxr-x 1 zbyszek zbyszek 4106816 Feb 19 12:52 build/libsystemd.so.0.30.0
-rwxrwxr-x 1 zbyszek zbyszek 7492952 Feb 19 12:52 build/src/shared/libsystemd-shared-247.so
-rwxrwxr-x 1 zbyszek zbyszek 4472624 Feb 19 12:53 build/systemd
-rwxrwxr-x 1 zbyszek zbyszek 4107056 Feb 19 13:03 build/libsystemd.so.0.30.0
-rwxrwxr-x 1 zbyszek zbyszek 7493480 Feb 19 13:03 build/src/shared/libsystemd-shared-247.so
-rwxrwxr-x 1 zbyszek zbyszek 4472760 Feb 19 13:03 build/systemd
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31055.
--no-legend is replaced by --legend=no.
--quiet now implies --legend=no, but --legend=yes may be used to override that.
--quiet controls hints and warnings and such, and --legend controls just the
legends. I think it makes sense to allow both to controlled independently, in
particular --quiet --legend makes sense when using systemctl in a script to
provide some user-visible output.
Fixes#18560.
When a subshell is used ('make' or 'make all') the LOOPDEV environment
variable, which is used to store the opened loop device, is lost.
So the cleanup on trap/exit doesn't do anything, and the loop
device used to mount the test image is left around.
Avoid using a subshell to fix the issue.
With all the preparatory work in previous PRs, we can now call static destructors
repeatedly without issue. We need to do it here so that global variables allocated
during parsing are properly freed.
The source package in the apt cache might be older than the
packaging from salsa.debian.org/systemd-team/systemd so it might not
list all the current binary packages.
This is currently the case for systemd-timesyncd, so TEST-30 fails.
Simply grep the control file rather than using apt-cache when iterating
over the packages contents.
Similar to DHCPv4's UseHostname option, add a UseFQDN config option in
[DHCPv6] to set the system's transient hostname if the FQDN option is
set in the DHCPv6 response from the server.
Add 'reattach' verb to portablectl, and corresponding DBUS interface
to systemd-portabled.
Takes the same parameters as 'attach', but it will do a 'detach' (and
it will refuse to proceed if it cannot be done) first, matching on
the unversioned prefix of the new image. Eg:
portablectl reattach /tmp/foo_2.raw
will cause foo_1.raw to be detached, and foo_2.raw to be attached.
The key difference with a manual 'detach old' plus 'attach new' is that
the running units are not disturbed until after the attach completed,
and if --now is passed they are then restarted.
A 'detach' is not allowed normally if the units are running.
By using a restart-after-deploy method, 'reattach' allows for minimal
interruption of service and also for features that only work on restart
(eg: file descriptor store) to work as intended.
The DBUS interface returns two lists: first the removals from the detach
that were not immediately re-added in the attach, so that the caller
can stop the relevant units, and then the list of additions that are
either new or updates, so that the caller can restart/enable the
relevant units. portablectl already implements this with the existing
--now/--enable switches.
Binaries on the latest Arch Linux use `call` instructions instead of
`callq`, which breaks the ASan detection and eventually the image
building process (due to insufficient space).
Does what the name suggests. Obviously inspired by sudoers, but note that
our tools are not supposed to be installed suid, so there is no privilege
boundary to cross here.
There may be situations where a cgroup should be protected from killing
or deprioritized as a candidate. In FB oomd xattrs are used to bias oomd
away from supervisor cgroups and towards worker cgroups in container
tasks. On desktops this can be used to protect important units with
unpredictable resource consumption.
The patch allows systemd-oomd to understand 2 xattrs:
"user.oomd_avoid" and "user.oomd_omit". If systemd-oomd sees these
xattrs set to 1 on a candidate cgroup (i.e. while attempting to kill something)
AND the cgroup is owned by root, it will either deprioritize the cgroup as
a candidate (avoid) or remove it completely as a candidate (omit).
Usage is restricted to root owned cgroups to prevent situations where an
unprivileged user can set their own cgroups lower in the kill priority than
another user's (and prevent them from omitting their units from
systemd-oomd killing).
Since the test suite overhaul, the test units are now under
/usr/lib/systemd/tests/testdata/tetsuite-06.units with
system_u:object_r:lib_t context. This causes an AVC denial, since the
systemd unit files are expected to have the
system_u:object_r:systemd_unit_file_t context. Let's fix this by using a
custom file context definition.
As we usually (unfortunately not always though) do not use abbreviations.
Tx may be standard abbreviation, but we already have e.g.
TransmitChecksumOffload=. So, let's use Transmit instead of Tx.
Follow-up for ef4a91a7e8.
Implement directives `NoExecPaths=` and `ExecPaths=` to control `MS_NOEXEC`
mount flag for the file system tree. This can be used to implement file system
W^X policies, and for example with allow-listing mode (NoExecPaths=/) a
compromised service would not be able to execute a shell, if that was not
explicitly allowed.
Example:
[Service]
NoExecPaths=/
ExecPaths=/usr/bin/daemon /usr/lib64 /usr/lib
Closes: #17942.
This test doesn't require the tests to be installed, so it must manually
install required test services and targets itself, including the default
target of testsuite.target
Also use $TEST_UNITS_DIR which is set by test-functions instead of
calculating the path
The script currently parses either 'clean' or 'clean-again' as wanting
to clean both before and after running tests. This fixes that to split
the action up; clean runs before tests, clean-again after; and also
verifies the parameter(s) before passing them to make.
Add NO_BUILD var to allow testing with no local build, by installing
local systemd files into the image.
This only works for debian-like distros currently, that use the
tools 'apt' and 'dpkg' for package management.
The $BUILD_DIR is only used in test-functions, and doesn't need to
be specified in any other scripts. Additionally, to be able to allow
the integration test suite to be run against locally installed binaries,
instead of built binaries, moving BUILD_DIR logic completely into
test-functions allows later patches to be simpler.
As LLDP thing does not get involved in the link status, `networkctl lldp`
may not provide an expected information even if the link is in
'configured' state.
Fixes#17360.
Building custom images for each test takes a lot of time.
Build the default one, and if the test needs incompatible changes
just copy it and extend it instead.
This parameter allows configuring the activation policy for an interface,
meaning how it manages the interface's administrative state (IFF_UP flag).
The policy can be configured to bring the interface either up or down when
the interface is (re)configured, to always force the interface either up or
down, or to never change the interface administrative state.
If the interface is bound with BindCarrier=, its administrative state is
controlled by the interface(s) it's bound to, and this parameter is forced
to 'bound'.
This changes the default behavior of how systemd-networkd sets the IFF_UP
flag; previously, it was set up (if not already up) every time the
link_joined() function was called. Now, with the default ActivationPolicy=
setting of 'up', it will only set the IFF_UP flag once, the first time
link_joined() is called, during an interface's configuration; and on
the first link_joined() call each time the interface is reconfigured.
Fixes: #3031Fixes: #17437
This reverts commit 73484ecff9.
3976f372ae moved libudev.so to be built in the
main directory, so this addition to $LD_LIBRARY_PATH is now obsolete.
After that commit, we build the following shared libraries:
build/libnss_myhostname.so.2
build/libnss_mymachines.so.2
build/libnss_resolve.so.2
build/libnss_systemd.so.2
build/libsystemd.so.0.30.0
build/libudev.so.1.7.0
build/pam_systemd.so
build/pam_systemd_home.so
build/src/boot/efi/stub.so
build/src/boot/efi/systemd_boot.so
build/src/shared/libsystemd-shared-247.so
EFI stubs don't matter, and libsystemd-shared-nnn.so is loaded through rpath,
and is doesn't need to and shouldn't be in $LD_LIBRARY_PATH. In effect, we only
ever need to add the main build directory to the search path.
Not all optional libraries might be available on developers machines,
so log and skip.
Also some pkg-config files are broken (eg: tss2 on Debian Stable) so
skip if the required variables are missing, and improve logs.
Allow to setup new bind mounts for a service at runtime (via either
DBUS or a new 'systemctl bind' verb) with a new helper that forks into
the unit's mount namespace.
Add a new integration test to cover this.
Useful for zero-downtime addition to services that are running inside
mount namespaces, especially when using RootImage/RootDirectory.
If a service runs with a read-only root, a tmpfs is added on /run
to ensure we can create the airlock directory for incoming mounts
under /run/host/incoming.
machinectl fails since 21935150a0 as it's now
mounting onto a file descriptor in a target namespace, without joining the
target's PID namespace.
Note that it's not enough to setns CLONE_NEWPID, but a double-fork is required
as well, as implemented by namespace_fork().
Add a test case to TEST-13-NSPAWN to cover this use case.
