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This is so obvious now, it's painful. We should fallback to the empty
string `""`, not `\0` which is of course semantically equivalent to
`NULL`. I think in practice we've never hit a `SIGSEGV` because librpm
itself has the same `?: ""` logic as well.
Closes: #1620
Approved by: cgwalters
At some point perhaps we'll define a sane format that unifies
treefile/treespec. This is not that day, but let's extract
the code that converts the two into a clean helper. Then the
compose context holds onto the treespec, and e.g. things like the
ref just point to its data.
Prep for sharing this code with rojig.
Closes: #1616
Approved by: jlebon
This bit moved to glibc-all-langpacks.posttrans at some point
in Fedora. The code is the same, use the same override. There
isn't a Fedora glibc-common.post.
So far we didn't really try `--unified-core` with RHEL7 content,
this fixes the last of the problems for me.
Closes: #1612
Approved by: jlebon
This gets me close to doing a build with `--unified-core`, but
now I'm tripping over a weird issue with the locale archive. I think
it's related to the lua override.
Closes: #1612
Approved by: jlebon
I missed this use before in the passwd code which was also parsing
the "filename" parameter. Teach this to use the fd that was opened
Rust side too.
It's really tempting to try oxidizing this whole file but...baby steps.
Closes: #1610
Approved by: jlebon
This is prep for running inside (unprivileged) Kube containers
as they exist today: https://github.com/projectatomic/rpm-ostree/issues/1329
Sadly FUSE today uses a suid binary that ends up wanting CAP_SYS_ADMIN.
I think there's some work on FUSE-in-containers but I'm not sure of
the current status.
What rofiles-fuse here is doing here is protecting is the hardlinked
repo imports. But if `--cachedir` isn't specified, that repository
gets thrown away anyways. So there's no real value to using FUSE
here.
Also since nothing is cached, disable the devino cache.
We also make use of --force-copy-zerosized that just landed
in libostree: https://github.com/ostreedev/ostree/pull/1752
Down the line ideally we gain the capability to detect if either
unprivileged overlayfs/FUSE are available. Then if `--cachedir`
is specified we can make things work.
Closes: #1591
Approved by: jlebon
This is basically overriding what happens with `bare-user` mode
OSTree repositories. I put a lot of thought into avoiding creating
suid files with that mode.
But today this creates a situation where if we don't have a devino
cache, the file will lose its suid bits.
In the end, since we're using the "inaccessible directory" pattern
anyways for rpm-ostree on the host, we don't need to really worry
about transient suid binaries. And similarly when we're run inside
an existing container, that's also fine.
Closes: #1591
Approved by: jlebon
Add a check to make sure we stay within the minimum version required to
build with DTS, which is updated frequently, but may still lag behind in
comparison to Fedora stable.
Closes: #1606
Approved by: cgwalters
PR: https://github.com/projectatomic/rpm-ostree/pull/1562
AKA commit: a7bbf5bc14
introduced two regressions. First one for `compose tree`. The intention is
the default there is to *always* immediately check for updated
rpm-md - a bit like `yum clean expire-cache`. However due
to bugs in the stack we end up downloading it again anyways, but
that's not the topic here.
When we made that change we basically stopped using `DnfContext`'s
`cache_age`, which is what `compose tree` was setting.
Introduce a new explicit API to do what we want for `compose tree`.
Secondly, we were mistakenly always caching on the client
side.
This also fixes an issue that `--cache-only` didn't work, it basically
just made `compose tree` use the default `metadata_expire`. Now we
really don't expire it.
Closes: #1587
Approved by: jlebon
This way the fds are always known to be at the start. For e.g.
`add-files` we need to both checksum them and then copy them
later.
Closes: #1600
Approved by: jlebon
Now that we have `CUtf8`, let's just store the serialized JSON
as a string, owned by the Rust side. This way we can drop the
`serialized_treefile` buffer we were passing around and simplify
various bits of code. Most notably, we only serialize the JSON
once (via Serde) rather than also doing it again in the C side.
Closes: #1600
Approved by: jlebon
In preparation for running in default Docker permissions where
we can `chroot()` and `makedev()` but not e.g. create bind mounts,
move `/usr/etc` to `/etc` when running scripts.
The script processing is also entangled with our passwd/group
file handling, so change those functions called from the core too.
It's tempting to basically maintain `/usr/etc` as `/etc` all
the way from immediately after checkout to just before commit.
We can't change how we do imports now; perhaps importing
RPMs into ostree as `usr/etc` was just a mistake in retrospect,
but oh well.
Closes: #1592
Approved by: jlebon
Split out of supporting "pure rojig" work. We also want
to support this for doing "oscontainers" as is planned for
Red Hat CoreOS. The user experience in both cases is oriented
around versioning of the external wrapper, not the inner ref/commit.
Note for users/builders who want to make use of this feature:
You probably want to mirror the changes in our test suite here to
use the compose JSON and parse the resulting `ostree-commit` out of that.
Closes: #1603
Approved by: jlebon
This follows up to https://github.com/projectatomic/rpm-ostree/pull/1576
AKA commit 2e567840ca - we now process
treefile inheritance in Rust code. Previously for elements which
reference external files (`postprocess-script` and `add-files`)
we'd hardcoded things to only look in the first context dir.
Now we open file descriptors in the Rust side for these "externals"
as we're parsing, and load them C side. Hence we'll correctly handle
a `postprocess-script` from an included config.
Other advantages are that the include handling was ugly un-typesafe C code
with no unit tests, now it's memory safe Rust with unit tests.
The downside here is I ended up spelling out the list of fields
again - there's probably a way to unify this via macros but
for now I think this is OK.
Closes: #1574
Approved by: jlebon
It still takes a noticeable amount of time to stage a deployment, so
just give some feedback so we don't just hang there.
Closes: #1594
Approved by: cgwalters
Noticed these while perusing the codebase. We don't do anything in those
handlers, and they're optional, so just nix them.
Closes: #1594
Approved by: cgwalters
Make sure we can open and query the rpmdb when creating new deployments.
This should help filter out cases where somehow librpm failed to
actually write the rpmdb but didn't error out.
This requires splitting the sanity checking in two so that we still get
that nice error first on scripts that do `rm -rf`.
See: #1566Closes: #1584
Approved by: cgwalters
We want to use the host repos not just for downloading the packages
we'll compose trees with, but also for the rpm-ostree build itself
leading up to the tests.
Closes: #1585
Approved by: jlebon
I often am editing just the Rust code, and want the fast iteration
feedback of a `cargo test` - don't want to pay the cost of full
optimization (particularly LTO) for the release build, and I
*just* want to run the Rust tests.
Basically if you're editing our Rust code a lot, this target is
your friend.
Closes: #1585
Approved by: jlebon
Following on to the previous change which added an explicit bind
mount API and also removed the API to append bwrap arguments, let's
also change the constructor to disallow the latter.
There was just one non-bind-mount argument being used
for "ro /var + tmpfs /var/tmp" - change that to an explicit new
API.
Looking at all of this, perhaps what we really want is to move
the "mutability" for `/var` underneath our API too, but let's
do this smaller incremental step first.
Closes: #1593
Approved by: jlebon
This is prep for adding a "backend" to this that uses just plain
`chroot` - we want things to avoid talking to bwrap's commandline
directly.
Closes: #1590
Approved by: jlebon
While debugging test failures in #1584, I was perplexed to find that the
ex-container tests didn't work on current git master. It turns out we
were only checking for one of the two possible error codes in the case
where we rename to a non-empty dir. So why is CI getting `EEXIST` while
locally I get `ENOTEMPTY`? Doing some diving kernel-side revealed it's
due to xfs vs tmpfs.
Closes: #1589
Approved by: cgwalters
The advantage of this over CStr is that Rust knows it's UTF-8
too. I also tweaked our path code to use String, and only
view it as a `Path`. This avoids having to `unwrap()` later
back to a `str`.
Closes: #1588
Approved by: jlebon
Today I was trying to use gdb and noticed my libdnf build didn't
have debuginfo. Now, I thought that's what `-DCMAKE_BUILD_TYPE=RelWithDebugInfo`
was doing but...I have no idea right now where I got that.
I looked at RPM builds, and the way this works is it exports CXXFLAGS.
Now for our C code, our defaults actually come from Autoconf. Let's
do the beautiful hack of telling Autoconf we're going to use C++ so
it sets `CXXFLAGS` for us.
Closes: #1586
Approved by: jlebon
It's really an array of pairs. Tripped over this while working
on the pure-Rust treefile parsing on the `misc-tweaks` compose test.
Closes: #1581
Approved by: jlebon
This is analogous to commit c62058e548
which propagated `V=1` into `cmake`. Except if the build *isn't*
verbose (for local development), let's not force `--verbose` on
for Rust.
Closes: #1583
Approved by: jlebon
Prep for moving more of our parsing into Rust. The main
thing here is that for JSON, we need to continue to ignore
unknown fields. It took me a little while but I eventually
figured out that using `#[serde(flatten)]` works for this.
Seriously: serde is freaking amazingly awesome.
Closes: #1580
Approved by: jlebon
The problem is building bindgen as part of our single run
locks serde to way old versions, and I want to use newer versions.
Since Fedora will now again ship a `cbindgen` package, let's
also support using it if we find it, saving ourselves
the cost of building it.
For distros that don't ship it (e.g. CentOS) for CI purposes
we build it. For downstream builds that are offline, rather
than vendor the cbindgen sources like we do with our main Rust,
let's just vendor the `rpmostree-rust.h` file as was suggested
in https://bugzilla.redhat.com/show_bug.cgi?id=1608670
Closes: https://github.com/projectatomic/rpm-ostree/issues/1557Closes: #1573
Approved by: jlebon
Drop the `rpmostree.rpmdb.pkglist` keys from the deployment metadata
since users shouldn't need it and it greatly increases the size of the
output.
Closes: #1577
Approved by: cgwalters
In `--unified-core` mode, we would segfault if `selinux: true`
but no policy was found.
I hit this while hacking up the manifest for some Red Hat CoreOS
work.
Closes: #1578
Approved by: jlebon
The core bug here is that previously if we had multiple YAML files
in include, we ended up overwriting self->treefile_rs for the
last one. Handling inheritance worked, but it broke rojig since
we generate the specfile Rust side.
Let's have first-one-wins semantics for now. I have a bigger
fix incoming in https://github.com/projectatomic/rpm-ostree/pull/1574Closes: #1576
Approved by: jlebon
