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Tracking issue: https://github.com/projectatomic/rpm-ostree/issues/1081
To briefly recap: Let's experiment with doing ostree-in-RPM, basically the
"compose" process injects additional data (SELinux labels for example) in an
"ostree image" RPM, like `fedora-atomic-host-27.8-1.x86_64.rpm`. That "ostree
image" RPM will contain the OSTree commit+metadata, and tell us what RPMs we
need need to download. For updates, like `yum update` we only download changed
RPMs, plus the new "oirpm". But SELinux labeling, depsolving, etc. are still
done server side, and we still have a reliable OSTree commit checksum.
This is a lot like [Jigdo](http://atterer.org/jigdo/)
Here we fully demonstrate the concept working end-to-end; we use the
"traditional" `compose tree` to commit a bunch of RPMs to an OSTree repo, which
has a checksum, version etc. Then the new `ex commit2jigdo` generates the
"oirpm". This is the "server side" operation. Next simulating the client side,
`jigdo2commit` takes the OIRPM and uses it and downloads the "jigdo set" RPMs,
fully regenerating *bit for bit* the final OSTree commit.
If you want to play with this, I'd take a look at the `test-jigdo.sh`; from
there you can find other useful bits like the example `fedora-atomic-host.spec`
file (though the canonical copy of this will likely land in the
[fedora-atomic](http://pagure.io/fedora-atomic) manifest git repo.
Closes: #1103
Approved by: jlebon
Add editor option for kernel arguments. The logic
was taken from the ostree-commit editor.
The user now can edit the kernel arguments from an editor.
The synchronization related issue is resolved by reloading the
sysroot and see if the sysroot has been changed since the call
of the editor prompt.
Closes: #1097
Approved by: jlebon
In the jigdo path we don't actually want to import the OIRPM literally
into ostree. I considered adding jigdo logic into `rpmostree-unpacker.c`
but it'd be a mess as the functionality is quite logically separate
from importing.
So split off an `unpacker-core.c` file which has the bare libarchive+RPM
helpers, and rename `RpmOstreeUnpacker` to `RpmOstreeImporter`.
Closes: #1110
Approved by: jlebon
API functions from ostree-kernel-args.c
are copied to libpriv. The append functionality
reuses _ostree_kernel_args_append_argv() for
collecting added kernel arguments.
Also added handlation in rpm-ostree upgrader
to allow deployments happen with kernel arguments.
Now, the user is able to add kernel arguments via
'rpm-ostree ex kargs --append key=value'
or 'rpm-ostree ex kargs --append key' if they
want to have an empty value with key.
The user is also able to display the current
kernel arguments via 'rpm-ostree ex kargs'
In addition, this functionality will create a pending deployment,
and will update the conf file in /boot/loader/entries/ostree-$osname-0.conf upon success.
Closes: #1013
Approved by: cgwalters
I want to use this in livefs, where I'll end up doing some diff
computations on the server and am currently rendering text there.
It might also be a step towards using this in `db diff`.
Closes: #709
Approved by: jlebon
In prep for adding "regenerates initramfs" to "is locally assembled",
we need more abstraction. I previously introduced a helper function, but
I'd still need to touch every call site when changing that.
Rather than having each caller re-parse the origin, let's parse it once into a
structure, and then have error-free accessors for it (that also don't malloc).
This way when adding a new flag, I don't need to touch every call site.
Notes:
- Some places in the code (like the deployments -> variant bits) tried to
handle deployments without an origin gracefully. That's no
longer true. I'm not sure how much we care - do we?
- There are a few places where I changed `packagelist.len() > 0` to
`is_locally_assembled()`. I think this is right, but we'll need
to be sure the "no packages to overlay, just initramfs" case
works when that lands.
Closes: #566
Approved by: jlebon
Since the dracut run is now separated from the rest of postprocess, we change it
to use the bwrap API diretly, and this lets use the new _IMMUTABLE bwrap type.
This will make it easier to reuse for client-side initramfs regeneration.
Splitting this off makes it also easier to simplify the remaining mutable
usage in postprocess.c.
Closes: #560
Approved by: jlebon
The treecompose code will learn how to use bwrap instead of
libcontainer in libglnx, since the latter is a buggy copy of a subset
of the former.
Closes: #429
Approved by: jlebon
So I was trying to hack on my host's copy of rpm-ostree inside a pet
docker container, but ran into a conflict with libhif since dnf uses
it. I think we basically need to *always* build the bundled path,
rather than what I'm doing with CAHC and FADC where it's built as a
regular RPM.
It's not really sustainable right now for us to have both bundled and
not-bundled build paths - and we need to support co-installation with
dnf.
Another major issue is that we want to version lock with libhif -
right now our CI and both CAHC/FADC track libhif master, but that
means everything breaks if libhif breaks and we don't immediately
port.
git submodules solve all of these problems - the same as we're doing
with libglnx.
libglnx is *designed* for use as a git submodule, where as libhif
needs to support being both bundled and not-bundled. So we end up
with some hacks on our side, but I think it's all not too bad. I've
marked build rules with `# bundled libhif` so we know where to find
them later when libhif is stable.
Closes: #357
Approved by: jlebon
In order to make many things work, we need to run scripts. Short version:
For now, we:
- Run `%posttrans`
- Treat most `%post` as the same as `%posttrans`
- Ignore `%preun` and such since we never uninstall
Most importantly though, we start to build up an "override" list
for script handling. Currently it's just a blacklist of scripts
we don't need.
Significant work here would be needed to run Lua scripts, so far I've
been able to just skip them.
Closes: #338
Approved by: jlebon
It's slightly prettier, but this is just laying some
groundwork/precedent for importing more systemd code and using it for
our formatting.
Closes: #295
Approved by: jlebon
- Delete unpack_to_dfd path
- Get rid of copynpaste stuff and use the newly reworked ostree
libarchive API which now supports the callbacks we need
Closes: #289
Approved by: cgwalters
This is in preparation for `rpm-ostree container`, which handles
unpacking RPMs as non-root.
At the moment, I'm copying code in from both ostree's libarchive bits
(fixable...may need to export some utility functions) and some
functions from libhif (harder, see:
http://lists.rpm.org/pipermail/rpm-ecosystem/2016-January/000297.html )
There's lots more cleanup to do here, but I don't want to block on the
resolution of the libhif changes.
This is part of taking over from librpm. The most important high
level goal is fully unprivilged operation.
Right now we're basically starting to do what
http://libguestfs.org/supermin.1.html does, except in C, and
faster.
There's no reason that `compose tree` should require privileges.
However right now, things like `%post` scripts will want to run in the
target root - so we'd have to require `linux-user-chroot`.
Regardless of unprivileged operation though, another major thing we
can do is use our control over the unpacking process to do a lot more
sophisticated caching. We can build up a precise mapping of (rpm
ENVR, file path, selinux label) -> object and avoid rechecksumming
each time.
And even for files that aren't known, we can parallelize commit with
unpacking, etc. (Ok assuming treecompose-post won't mutate anything).
As we start to do more package things, extract common helper functions
around HifContext * that by default operates on the system root.
Some of these bits should go in libhif, but the immediate plan is to
iterate here, then push downwards later.
We had `src/lib` having its own little private library; I wanted to
use some of it inside `src/libpriv`, so let's consistently have all
private utility code in `src/libpriv`.
Closes: https://github.com/projectatomic/rpm-ostree/pull/147
On the plus side, we share some code between the library and the
binary now. On the downside, because `librpmostreepriv.la` is a
noinst library, its code text is duplicated between the shared library
and binary, at least until we either:
- Have the binary solely use the public shared library (like ostree does)
- Install `librpmostreepriv.so` to e.g. `/usr/lib64/rpm-ostree/librpmostreepriv.so`
without the headers being public
