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It's always nice when apps provide useful hints about other commands you
may be interested in.
For instance, if they've done `rpm-ostree override replace/remove`,
let's be helpful and tell users that they can use `rpm-ostree override
reset` to unpin packages.
In prep for adding more methods, require the caller to identify
themselves.
For now this is `CliClient` - one could imagine in the future
we actually do direct DBus, but there's a whole other world
of stuff there.
Add more metadata that zincati needs, like `base-commit-meta`
which includes the `fedora-coreos.stream` key and the cosa basearch,
etc.
Also `Derive(Debug)` since it's used in a cache struct that also
derives debug, and that's a friendly thing to do in general.
This adds sufficient infrastructure to fully port the
`rpmostree-builtin-applylive.cxx` client code to Rust.
We just keep a stub entrypoint for now until we port
the rest of `rpmostree-builtin-ex.cxx`, at which point
a lot of C++ files go away.
The "finish" bits move from the daemon-oriented `live.rs`
into a new `rust/src/builtins` directory. I'd like
to try to more cleanly split up the Rust sources along
core(shared)/client/daemon directories in the future.
This stubs out sufficient infrastructure for us to register
as a client and call the Moo API.
A glaring problem here is the lack of extensive `glib::Variant`
bindings; that's covered in the next gtk-rs release.
My real goal was to try porting the `rpmostree-builtin-apply-live.cxx`
code entirely to Rust, but there's more to do to expose the
transaction helper APIs we have.
We have fully transitioned to cxx-rs! This drops a lot of now
dead code; only one binding system to think about generating
source code. For example, a notable advantage of cxx-rs
is it doesn't scan the whole source code, so running `make`
doesn't spew errors from cbindgen not understanding bits.
cxx-rs only supports a few basic types in `Vec<T>`/`CxxVector<T>`
and we need to pass an array of GObjects in a few cases.
Add a wrapper class hack instead of using `u64` so we at least
have some basic safety here and have a convenient place to
grep for later when we want to improve this.
This moves the `ror_lockfile_write` to cxx.rs, which brings us closer to
getting rid of cbindgen now.
There's one massive hack this uses, which is that we pass an array of
pointers to `DnfPackage` and `DnfRepo` objects as u64. We'll want to
circle back and fix that up once either cxx.rs supports natively arrays
of pointers, or we just come up with our own wrapper type for it.
But for now at least, this unblocks the cbindgen transition and hacking
on the lockfile code.
I'd like to get to the point where we drop the `vmcheck.sh`/`libvm.sh` stuff.
Instead we use kola directly, and write our tests in a way that they
default to run on the target, not on the host because it's *much*
more natural to type e.g. `rpm-ostree upgrade` instead of `vm_rpmostree upgrade`.
We'd done a bit of porting, but a blocker was that a lot of our
tests dynamically generate RPMs and send them over. Instead,
let's generate the RPMs ahead of time in a "build" step, then
they all get passed at once via kola ext data. Add the concept
of multiple repo versions too.
Right now we only generate the one RPM needed for the `layering-local`
test and port it.
Came up on `#fedora-iot` channel, some people are hitting
"No packages in transaction". I believe we have a bug,
but I didn't hit it with at least this simple test case.
It may be related to layering while doing this too, going to
test that next.
I spent longer than I'd care to admit being confused why my
changes from `cosa build-fast` weren't being picked up.
We need to honor `.cosa` first because the expected case
is you have both set in the `build-fast` case.
Will look at fixing `kola spawn` to handle all this too; the
problem is we haven't taught kola/cosa about `COSA_DIR`.
Instead of passing the pid back up the stack and using a cleanup
function on it to invoke `kill()`, use `PR_SET_PDEATHSIG` which
has the kernel take care of this for us.
(In practice we don't actually use this peer functionality anymore
because all of the client/daemon code kind of requires being run under systemd
on a real system now)
This shrinks the API surface and is much less repetitive in
the codebase.
Prep for moving more of the CLI code to Rust.
The refspec code really needs to be cleaned up and oxidized (and
unit tested more).
The original intention is that if you're pinned to a commit, we say
"No upgrade available" but we were crashing if one (understandably)
rebased to the combination of `remote:checksum` instead of just `checksum`.
But, we can't change the classifier to call this `CHECKSUM` and
output an error, because that just conflicts with us accepting
the syntax `rpm-ostree rebase :<checksum>`.
I'm actually coming around to the idea that this `remote:checksum` syntax means
"no upgrade available" is correct, whereas pinning to just `checksum`
is more of an error when you try to upgrade.
Closes: https://github.com/coreos/rpm-ostree/issues/2603
I was looking at a different problem and noticed a spam of
```
Feb 24 23:06:37 cosa-devsh rpm-ostree[1099]: g_variant_dict_ref: assertion 'is_valid_heap_dict (dict)' failed
Feb 24 23:06:37 cosa-devsh rpm-ostree[1099]: g_variant_dict_unref: assertion 'is_valid_heap_dict (dict)' failed
Feb 24 23:06:37 cosa-devsh rpm-ostree[1099]: g_variant_dict_ref: assertion 'is_valid_heap_dict (dict)' failed
Feb 24 23:06:37 cosa-devsh rpm-ostree[1099]: g_variant_dict_unref: assertion 'is_valid_heap_dict (dict)' failed
```
in the journal. It turns out that the Rust bindings try to call
`g_variant_ref()`, but that's (understandably) not allowed on
a stack allocated instance.
Since we heap allocate a *ton* here, let's just heap allocate
the dict too.
Now, we also along the way stopped using the bits to inject
```
[Service]
Environment=G_DEBUG=fatal-warnings
```
in our CI. I'll look at that as a followup.
Install the systemd unit, timer and sysusers configuration for Count Me
support. We do not enable or pull as a dependency those units by default
as this is a decision that should be taken at the distribution level and
needs support on the infrastructure side.
To enable those units in a disctribution package, you can add the
following symlink:
$ ln -snf /usr/lib/systemd/system/rpm-ostree-countme.timer /usr/lib/systemd/system/rpm-ostreed.service.wants/
or add the following config snippet to the rpm-ostreed.service unit:
Wants=rpm-ostree-countme.timer
If the systemd unit associated with the client's PID is the updates
driver's unit, don't require the --bypass-driver option for operations
like upgrade, deploy, and rebase.
This is useful for updates drivers that shell out to rpm-ostree's
binary (e.g. Zincati, currently).
Also refactor some helper functions to make them more general and
reusable.
Follow up to https://github.com/coreos/rpm-ostree/pull/2566.
Error out if users try to manually do a deploy/rebase if an updates
driver is registered. Provide `--bypass-driver` option to proceed
anyway.
Following https://github.com/coreos/rpm-ostree/pull/2566, we would
like to give other commands (deploy and rebase) the same treatment.
Factor out functions to retrieve systemd unit docs and a function
that detects updates drivers so they can be reused elsewhere.
This is long overdue. Some of this came up in recent
conversation. Let's keep up some continual background
momentum on documentation, just like CI.
Co-authored-by: Jonathan Lebon <jonathan@jlebon.com>
Came out of discussion in https://github.com/coreos/rpm-ostree/pull/2581
around some racy code for checking for the live commit object.
The reliability of apply-live depends on the
underlying commits not being garbage collected. Our diff logic
is in terms of ostree commits, not the physical filesystem (this
allows us to make various optimizations too).
Ultimately I think we should drive some of the live-apply
logic into libostree itself; we can more easily have an atomic
state file instead of the two split refs.
(Or perhaps what we should add to ostree is like a refs.d model
where a single atomic file can refer to multiple commits)
For now though let's rework the code here to write refs. We
retain the file in `/run` as just a "stamp file" that signals
that a deployment has had `apply-live` run.
Now that `cosa build-fast` writes to `.cosa`, teach our
test suite to pick that up by default. We don't anymore
support non-CoreOS (i.e. non-Ignition) hosts for our test
suite, so making this more CoreOS specific is fine.
Then use the "standard" COSA_DIR as a way to find the target
cosa dir in the e2e CI.
More prep for https://github.com/coreos/rpm-ostree/pull/2388
This was actually also my first time really trying out the
latest gtk-rs `glib::Variant` API, which is one of the major
things we need to use to progress oxidation more.
This moves passwd/group compose preparation logic to Rust,
dropping all the remaining minor helpers related to JSON parsing,
file stream creation, and entries deduplication.
