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We already set all file mtimes to 0 so that they are constant
over all checkouts, and can be made constant with a known value from
the system where the ostree was created.
However, this was not happening for directories. Zero their mtimes too.
This is important for shipping a fontconfig cache in the ostree;
the fontconfig cache files embed a directory mtime.
This does an rsync-style prepared delta basically. On my test data,
it shaves ~6MB of uncompressed data. Not a huge amount, but I expect
this to be more useful for things like binaries which embed data, etc.
It's always been suboptimal to have both pull and pull-local; as we go
beyond the raw object data into things like deltas and summary files,
the logic to perform e.g. mirroring should only be in one place.
This will be used by Pulp's OSTree content plugin at least to perform
promotions.
When doing a pull --mirror from an archive-z2 repository into another
archive-z2 repository, currently we gunzip/checksum/gzip each content
object. The re-gzip process in particular is fairly expensive.
This does assume that the upstream content is trusted and correct.
It'd be nice in the future to do at least a CRC check, if not the full
checksum. (Could we append CRC data to the end of filez objects?)
We could also choose to only do this optimization if fetching over
TLS.
before: 1626 metadata, 20320 content objects fetched; 299634 KiB transferred in 62 seconds
after : 1626 metadata, 20320 content objects fetched; 299634 KiB transferred in 11 seconds
See projectatomic/rpm-ostree#42 for rationale. There are two high
level use cases:
- If the OS comes unconfigured, this is a way to point it at a repo of your choice.
- To switch between repositories while keeping the same branch easily.
You create these with something like:
ostree static-delta generate --empty --to=master
These will be automatically used during pull if no previous revision
exists in the target repo.
These work very much like the normal static deltas except they
are named just by the "to" revision. I.e:
deltas/94/f7d2dc23759dd21f9bd01e6705a8fdf98f90cad3e0109ba3f6c091c1a3774d
for a from-scratch to 94f7d2dc23759dd21f9bd01e6705a8fdf98f90cad3e0109ba3f6c091c1a3774d delta.
https://bugzilla.gnome.org/show_bug.cgi?id=721799
For Anaconda, I needed OSTREE_REPO_REMOTE_CHANGE_ADD_IF_NOT_EXISTS,
with the GFile *sysroot argument to avoid ugly hacks. We want to
write the content provided via "ostreesetup" as a remote to the target
chroot only in the case where it isn't provided as part of the tree
content itself.
This is also potentially useful in idempotent systems management tools
like Ansible.
https://bugzilla.gnome.org/show_bug.cgi?id=741577
This creates a archive-z2 repo, pull-locals it to bare-user and then
again back to archive-z2 making sure things fsck along the way.
Then it checks out all repos and makes sure each one reproduces
the same result.
Unfortunately we can't install this as a real test because
it doesn't work in the test-runner because tmpfs doesn't support
user xattrs.
https://bugzilla.gnome.org/show_bug.cgi?id=741125
This just does whatever test-basic.sh does, but on a bare-user
repo.
This works standalone, but unfortunately it breaks in
gnome-desktop-testing-runner as /tmp doesn't support
xattrs, so it is not installed atm.
https://bugzilla.gnome.org/show_bug.cgi?id=741125
Use the pattern:
$PRETTY_NAME [$COMMIT_VERSION] (ostree[:$OSNAME][:$DEPLOYMENT_INDEX])
$OSNAME is only shown if there are multiple values.
$COMMIT_VERSION refers to the version tag in the commit's metadata.
$DEPLOYMENT_INDEX is only shown if no $COMMIT_VERSION is available.
https://bugzilla.gnome.org/show_bug.cgi?id=739416
fixes a coredump when using a command like:
$ ostree --repo=repo checkout -U --subpath=/usr/lib/passwd \
fedora-atomic/rawhide/x86_64/docker-host usrlib-new
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
For Anaconda, we have an ugly bootstrapping problem where we need to
add the remote to the repository's config, then do a pull+deploy, then
remove and re-add the config, because /etc/ostree/remotes.d doesn't
exist yet in the target system.
https://bugzilla.gnome.org/show_bug.cgi?id=738698
In this approach, we drop a /etc/grub.d/15_ostree file which is a
hybrid of shell/C that picks up bits from the GRUB2 library (e.g. the
block device script generation), and then calls into libostree's
GRUB2 code which knows about the BLS entries.
This is admittedly ugly. There exists another approach for GRUB2 to
learn the BLS specification. However, the spec has a few issues:
https://www.redhat.com/archives/anaconda-devel-list/2014-July/msg00002.html
This approach also gives a bit more control to the admin via the
naming of the 15_ostree symlink; they can easily disable it:
Or reorder the ostree entries ahead of 10_linux:
Also, this approach doesn't require patches for grub2, which is an
issue with the pressure to backport (rpm-)OSTree to EL7.
Some operating systems may come with external tools for subscription
management that drive access to the content. In that case, the origin
file may not be useful (for example, it could refer to an installer
ISO).
This patch will allow OS installers to inject that state, with a
useful error message, directing the system administrator to an
external tool.
See: https://github.com/projectatomic/rpm-ostree/issues/31https://bugzilla.gnome.org/show_bug.cgi?id=737686
Recursive over ostree and all subcommands, and check that --help
is supported, properly outputs to standard out, and exits
with a 0 exit status. Check that for commands with subcommands,
they produce the help output to standard error when run with no arguments.
https://bugzilla.gnome.org/show_bug.cgi?id=737194
Previously, in the case where a parent directory of a modified config
file was removed, we would throw an exception. This happens when
switching from a tree that has some software (e.g. firewalld), to one
that does not.
While it's nice to have this warning that your config file probably no
longer applies, there's no need to make it so...fatal.
It's particularly problematic that the only easy workaround is to
remove the config files from your current tree - which breaks
rollback.
The solution then is for for us to take ownership of the parent
directories too into the new /etc. Admins can clean up these files
afterwards at any time.
https://bugzilla.gnome.org/show_bug.cgi?id=734293
