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Previously, if we encountered a non-socket fd we'd return ENOTSOCK the
first time, but the subsequent times we'd return ENOMEDIUM, due to
caching. Let's make sure we return the same errors all the the time.
We're still seeing problems in mkosi CI where we lose notify messages
sent over vsock from virtual machines because the virtual machine shuts
down before the socket buffers are flushed.
Let's try setting SO_LINGER on vsock sockets so that the kernel waits
until the buffers are flushed when we close the file descriptor.
To make sure it works, let's get rid of our previous workaround that
sends EXIT_STATUS earlier to reduce the chance of it not arriving.
This way, if it doesn't work, we'll notice it immediately due to CI
failures.
This commit adds definitions to build the minimal_0 and minimal_1
images with mkosi and includes them into the system image. We also
move the building of the various app-xxx and similar images that are
extremely minimal into the tests itself by moving the related logic
from install_verity_minimal() into a new function
install_extension_images() in util.sh. Because the mkosi /usr is
read-only, we now place the extension images in /tmp instead of
/usr/share.
Co-authored-by: Richard Maw <richard.maw@codethink.co.uk>
Co-authored-by: sam-leonard-ct <sam.leonard@codethink.co.uk>
Private forks would very quickly reach their quota or spend lots of
money trying to archive all these artifacts, so let's make sure it
only happens on our own repositories.
Otherwise we lose valuable logging from systemd-executor when things
go wrong since it can only log to the journal and not to the console
in these cases.
The expression for calculation of the _do_log values in the log_exec_*
macros need to be the same as the unit_log_level_test() function, used
to calculate _do_log in unit.h. The only difference between execute.h
and unit.h is the lack of the Unit structure.
Fixes: b646fc324a ("core: ensure execute/spawn functions can work without Unit object")
Fixes: 210ca71cb5 ("core/execute: clean up log_exec_full_errno and friends")
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
The portable profiles assume /etc/resolv.conf exists, which isn't
always the case. Let's mark the mounts as optional so we don't fail
to start the unit if /etc/resolv.conf doesn't exist.
We cannot mark a test suite as excluded by default in meson. Instead,
let's require that SYSTEMD_INTEGRATION_TESTS=1 and skip any integration
test if it's not set. This is effectively the same as excluding it by
default. If the integration-test option is enabled, we'll set the
environment variable by default, just like we do with SYSTEMD_SLOW_TESTS
and the slow-tests meson option.
Let's insist on mkosi being found if the integration-tests option
is enabled and let's only add dependencies on systemd-journal-remote
and systemd-measure if they're being built. Drop ukify from the list
as its part of public_programs.
Let's show the runtimes of our commands and preparations for them. It's
actually quite interesting, we sometimes are irritatingly slow with our
handoffs.
Also: rename Handover → Handoff. I think it makes it clearer that this
is not really about handing over any resources, but that the executor is
out off the game from that point on.
This changes the executor to systematically send handoff timestamps to
the service manager if a socket for that is supplied. This drops the
code that did this via Type=exec messages, and reverts that part to the
old behaviour before 93cb78aee2.
Benefits of this approach:
1. We can collect the handoff for any command we fork off, regardless
if it's ExecStart= something else, regardless whether it's Type=exec,
Type=simple or some any other service type, regardless of the unit
type.
2. We collect both CLOCK_REALTIME and CLOCK_MONOTONIC, as we do for the
other process timestamps.
3. It's entirely backwards compatible, as this doesn't change the
protocol between service manager and executor, but just extends it.
This adds an AF_UNIX socket pair to the manager that we can collect
handoff timestamp messages on.
The idea is that forked off children send a datagram with a timestamp
and we use its sender PID to match it against the right forked off
process.
This part only implements the receiving side: a socket is created, and
listened on. Received datagrams are parsed, verified and then dispatched
to the interested units.
assert_se() should not be used here, these checks are paranoia only and
have no side-effect after all.
hence fix this to use assert(), or in fact ASSERT_PTR()
