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I previously ran out of steam in the switch and wanted to
get the PR out for feedback before continuing, but it turns
out I basically stopped 2 meters from the finish line. Completing
the switch from `failure` → `anyhow` was quite easy.
The failure crate isn't actively developed anymore. The
main benefit of `anyhow` is it uses the standard error type.
More info:
https://docs.rs/crate/anyhow/1.0.28
Start the porting process.
Note that the `envsubst` crate has a public dependency on
`failure`, so we need to start mapping its errors.
E.g. the generation timestamp, repos that were enabled, and their
generation timestamps.
This is just generally useful, though I'd like to make use specifically
of the new `metadata.generated` key in FCOS to drive versioning:
https://github.com/coreos/fedora-coreos-releng-automation/pull/50
All this does is put the immutable bit on the target directory.
The intention is to replace this bit to start:
8b205bfbb9/src/create_disk.sh (L229)
However, the real goal here is to add code in this file
to handle redeploying the rootfs for Fedora CoreOS which
combines OSTree+Ignition:
https://github.com/coreos/fedora-coreos-tracker/issues/94
Basically doing this in proper Rust is going to be a lot
nicer than shell script in dracut modules. Among other
details, coreutils `mv` doesn't seem to do the right thing
for SELinux labels when policy isn't loaded.
I have multiple outstanding PRs that use it and they conflict on
this, so let's just upstream it now.
It helps avoid some use of `unsafe` talking to libc directly.
I wanted to use this in another project, and I don't think
we're the only ones. I extracted the code, added better docs
and tests, and published to crates.io:
https://crates.io/crates/openat-ext
Besides allowing ${releasever}, only do the substitution as the final
pass after merging the treefiles for all the keys (currently ${basearch}
and ${releasever}) instead of doing it per parse. This way we have the
expected semantics where one could do:
```
include: "fedora-coreos.yaml"
releasever: "42"
```
and have that releasever used.
Fixes#1809
Signed-off-by: Rafael Fonseca <r4f4rfs@gmail.com>
Closes: #1848
Approved by: cgwalters
This mostly involves adjusting our path uses to be anchored, e.g. at
`self::` or `crate::`. I took the opportunity to also tweak `use`
ordering so that we consistently list modules in external crates first
before our own.
Closes: #1812
Approved by: lucab
Now that our minimum Rust toolchain version was bumped, we can bump all
our deps to the latest and drop the frozen `rand` version that was done
for #1777.
Closes: #1810
Approved by: jlebon
The recent dep bump caused rand to jump to v0.6.5, which pulled in
`fuchsia-cprng`. Sadly, the cargo version we're frozen on chokes on it
because its manifest makes use of the `edition` keyword, which wasn't
stabilized yet.
Let's just freeze the problematic crate for now. We should be able to
bump our Rust toolchain soon-ish.
(Note this commit also does some other minor crate bumps as a result of
regenerating the lockfile to prune away `fuchsia-cprng`.)
Closes: #1777Closes: #1778
Approved by: cgwalters
Notably, the latest indicatif compiles fine again. This is now the
latest of everything, except the glib stack:
```
$ cargo outdated -R
Name Project Compat Latest Kind Platform
---- ------- ------ ------ ---- --------
gio-sys 0.7.0 --- 0.8.0 Normal ---
glib 0.6.1 --- 0.7.1 Normal ---
glib-sys 0.7.0 --- 0.8.0 Normal ---
```
because it requires a newer rustc than we're currently locked at.
Closes: #1770
Approved by: cgwalters
Obviously doing these trivial functions in parallel doesn't matter,
but I wanted to dip my toes into Rayon (and Rust parallelism in
general).
`try_for_each()` is just...staggeringly simple and beautiful.
Closes: #1727
Approved by: jlebon
The latest backtrace release isn't compatible with 1.26.2. A patch for
this is underway in:
https://github.com/alexcrichton/backtrace-rs/pull/137
Though for now, let's just restrict the version since we should be
bumping our minimum rustc requirement soon-ish anyway.
Closes: #1713
Approved by: cgwalters
In a lot of places we're abusing `io::Error(io::ErrorKind::InvalidInput)`
which is both verbose and inaccurate really. Maybe in some
places we should be defining custom errors, but eh.
I like the `failure` crate. Use it in just `utils.rs` for now.
Tweak our error handling FFI wrappers to accept `Display` since
all we do is convert the error to a string.
Closes: #1675
Approved by: lucab
This turned out to be messier than I thought, because of two primary
factors; the biggest mess here of course is the indirection
through the DBus API.
The other problem is that previously we passed the string to render
each time, and with current indicatif that'd trigger a rerender.
Since (usually) don't change the "prefix string", rework the API.
Change the "percent/n_items" bits to use autocleanups as well, and
to take the prefix string as an initial argument.
Since the state expands to multiple components, also change the
API to use the `0-initialized` pattern rather than trying to
return an aggregate.
We also gain a "sub message" which we use to display e.g.
package names as we're doing checkouts. Note this ends up
at the end, since otherwise everything else jumps around.
Closes: #1661
Approved by: rfairley
Sample output:
```
$ rpm-ostree status
State: idle
Warning: failed to finalize previous deployment
check `journalctl -b -1 -u ostree-finalize-staged.service`
AutomaticUpdates: disabled
...
```
(Though open to tweaking it).
I also played with directly invoking `journalctl` for the user, but that
can get really spammy with e.g. `os-prober` output and such.
I wrote this in Rust using journal API wrappers because I also plan to
implement the `history` command in Rust and will also enhance that new
`journal` module there for that.
Requires: https://github.com/ostreedev/ostree/pull/1750
Requires: https://github.com/jmesmon/rust-systemd/pull/54
(Though I've pointed the manifest at my branch for now for CI).
Closes: #1567Closes: #1601
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
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
Because our primary delivery vechicle uses RPM which
supports separate debuginfo, there's no reason not to build release
builds with debuginfo, so that one can use gdb on them just
like we do with C.
Closes: #1550
Approved by: jlebon
If we're going to scale out our oxidation, let's follow
the path of Firefox (and other projects) further and use
cbindgen: https://github.com/eqrion/cbindgen
It's actually nice that `cbindgen` is packaged today in Fedora,
but I doubt it is elsewhere; we may end up needing to push
that forward, or just vendor it via a `build.rs` script and Cargo.
I chose to rename things to `ROR`/`ror_` since it's shorter. I
am tempted a bit to rename our internal functions to just `ro_` to
or so.
Closes: #1516
Approved by: jlebon
This teaches the client to fetch packages from URLs directly so that one
doesn't have to `curl` first and then install. Supported anywhere
package filenames are allowed (notably: `install` and
`override replace`).
One neat things about this is that we download the file into an
`O_TMPFILE` and then pass on ownership of that fd directly to the
daemon. So at no point are the packages actually laying visible on the
system. (Assuming the filesystem supports `O_TMPFILE` that is).
This adds direct linking to libcurl and openssl, two libraries which we
were already pulling in indirectly.
Closes: #1508
Approved by: cgwalters
The rojig spec is almost entirely rpm-ostree implementation details;
let's not have lots of people fork/duplicate it. Rather add the bits
of rojig to the treefile that people need to define (most notably
the name).
Prep for stabilizing rojig.
I had a few false starts with this PR; managing ownership/lifetimes
across C/Rust is just complicated. I got bit hard by the fact that
the workdir in `--unified-core` is really dfd-relative, and had to
do a dance to propagate the dfd into rust, as well as down into
the rojig builder.
Closes: #1484
Approved by: jlebon
In a later patch I'm going to add more API; basically rather
than doing the JSON parsing from C, we can add APIs to directly
access the treefile object. This also demonstrates how we
can do more extensive APIs, in particular implement an "object"
in Rust.
The ownership across the FFI boundary becomes nicer here too,
we don't need to do a dance with the fd.
For writing this I found
http://jakegoulding.com/rust-ffi-omnibus/objects/
quite useful, as well as
https://github.com/rust-lang/regex/blob/master/regex-capi/src/rure.rsCloses: #1474
Approved by: jlebon
Further prep for adding more code here. The `lib.rs` then is the
collection of glue functions; perhaps in some ideal future it could
be generated even.
Closes: #1444
Approved by: jlebon
Automake was warning about duplicate `clean-local` definitions, let's
do the nonrecursive automake dance.
And while I'm here, let's add some Rust unit tests that actually run
on `make check` too, since the whole unit testing bits of Rust are
awesome.
(I also tweaked the propagate bits to use the nicer `is_null()` method)
Closes: #1389
Approved by: jlebon
Let's modernize and start supporting YAML treefiles. I'll dare make the
sweeping generalization that most people would prefer reading and
writing YAML over JSON.
This takes bits from coreos-assembler[1] that know how to serialize a
YAML file and spit it back out as a JSON and makes it into a shared lib
that we can link against. We could use this eventually for JSON inputs
as well to force a validation check before composing.
If we go this route, we could then turn on `--enable-rust` in FAHC for
now and drop the duplicate code in coreos-assembler.
[1] https://github.com/cgwalters/coreos-assemblerCloses: #1377
Approved by: cgwalters
