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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 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>
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.
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.
