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`dnf` is present in all the platforms we care about now, and the CentOS
bit is out of date. We can re-add it if we add e.g. C[89]S support with
the updated list of packages.
Motivated by noticing that the `yum` symlink isn't always present.
This aligns all the assertion in the module. In particular, it gets
rid of all `g_return_val_if_fail` instances which may fail without
properly setting GError to the caller.
When we clean up from an error, for example copy_file_range() failing
while we generate a static delta (perhaps caused by
https://gitlab.gnome.org/GNOME/libglnx/-/issues/3 or by a
genuine write error), we might free a variant builder that has a
non-null parent. Previously, this caused infinite recursion and a stack
overflow, repeatedly freeing the same object, but Luca Bruno suggested
that the intention here appears to have been to free the parent object.
Partially resolves https://github.com/ostreedev/ostree/issues/2525
(the other bug reported in that issue needs to be resolved by updating
libglnx to a version where libglnx#3 has been fixed).
Signed-off-by: Simon McVittie <smcv@collabora.com>
`kola` now follows symlinks when archiving an external test's `data/`
dir. So the recursive `data` symlink we have here breaks it.
Let's just move the shared files in its own directory and update the
symlinks.
This tightens up the logic for opening a file while inspecting its
xattrs. The only codepath fetching xattrs from a FD is the one
handling 'bare' mode.
It also rearranges the else-assert flow, mostly for future-proofing.
Support for that file was added previously, but the testing lived in
rpm-ostree only. Let's add it here too.
In the process add a hidden `--lock-finalization` to `ostree admin
deploy` to make testing easier (though it could also be useful to update
managers driving OSTree via the CLI).
Otherwise, any future staged deployment will also automatically be
locked even if not requested. Likely we should fold the locking into the
primary `staged-deployment` serialized GVariant instead.
This reworks `ostree ls` top-level logic so that cancellation
tokens and error details are plumbed through all codepaths.
It also gets rid of all previous goto jumps.
We do implicitly have this data because we log timings via structured
metadata in a later journal entry, but it's quite common to lose
the structured metadata because a lot of tooling just grabs the default
syslog-compatible text from `journalctl`.
Let's be louder when we hit this case as a general rule too; I think
most people shipping ostree systems want to see if it's happening.
https://bugzilla.redhat.com/show_bug.cgi?id=2003532
Basically there's a systemd bug where it's losing the `_netdev`
aspect of Ceph filesystem mounts. This means the network is taken
down before Ceph is unmounted. In turn, our invocation of `sync()`
blocks on Ceph, which won't succeed.
And this in turn manifests as a failure to transition to the new
deployment.
I initially did this patch to just rip out the global `sync()`. I
am pretty sure we don't need it anymore. We've been doing individual
`syncfs()` on `/sysroot` and `/boot` for a while now, and those
are the only filesystems we should be touching. But *proving* that
is a whole other thing of course.
To be conservative, let's instead just add a timeout of 5s on
our invocation of `sync()`. It doesn't return any information on
success/error anyways.
To allow testing without the `sync()` invocation, we also support
a new `OSTREE_SYSROOT_OPT_SKIP_SYNC=1` environment variable. For
staged deployments, this needs to be injected via e.g. systemd unit
overrides into `ostree-finalize-staged.service`.
Implementing this is a bit hairy - we need to spawn a thread. I
debated blocking in arecursive mainloop, but I think `g_cond_wait_until()`
is also fine here.
The ubuntu-latest VMs are currently based on 20.04 (focal). In focal,
libseccomp2 doesn't know about the close_range syscall[1], but
g_spawn_sync in impish tries to use close_range since it's defined in
glibc. That causes libseccomp2 to return EPERM as it does for any
unknown syscalls. g_spawn_sync carries on silently instead of falling
back to other means of setting CLOEXEC on open FDs. Eventually it causes
some tests to hang since once side of a pipe is never closed. Remove
this when libseccomp2 in focal is updated or glib in impish handles the
EPERM better.
1. https://bugs.launchpad.net/ubuntu/+source/libseccomp/+bug/1944436Fixes: #2495
In fixing https://github.com/coreos/rpm-ostree/pull/3323
I felt that it was a bit ugly we're installing `/usr/bin/ostree-container`.
It's kind of an implementation detail. We want users to use
`ostree container`.
Let's support values outside of $PATH too.
For example, this also ensures that TAB completion for `ost` expands
to `ostree ` with a space.
This removes a 'g_setenv()' call, which could potentially be unsafe
in a multi-thread context.
The current libselinux codebase does not seem to check for
`LIBSELINUX_DISABLE_PCRE_PRECOMPILED`, so I think this has no effects
nowadays.
Additionally, I could not find any reference to it in libselinux
git history, so I'm not sure if it ever played any role at all.
My current understanding is that this is coming from version
incompatibilities between an older libselinux in the build environment
and a newer policy (with precompiled regexs) in the target.
But from the ML discussion I found, I think it eventually got
solved in a different way, possibly by avoiding the policy binary
caches.
Refs:
* https://www.spinics.net/lists/selinux/msg14822.html
* https://github.com/ostreedev/ostree/pull/2513#discussion_r781042884
This swaps the order of a couple of input sanity checks, in order
to fix a minor memory leak due to an early-return on the error
path.
Memory for the result is now allocated only after input has been
sanity-checked.
It fixes a static analysis warning highlighted by Coverity.
This adds build-time configuration logic to automatically detect
and switch between libfuse 2.x and 3.x.
Signed-off-by: Simon McVittie <smcv@collabora.com>
Co-authored-by: Luca BRUNO <luca.bruno@coreos.com>
