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This will be helpful for the "ostree native container" work in
https://github.com/ostreedev/ostree-rs-ext/
Basically in order to reuse GPG/signapi verification, we need
to support adding a remote, even though it can't be used via
`ostree pull`. (At least, not until we merge ostree-rs-ext into ostree, but
even then I think the principle stands)
We're waaay overdue for this, it's been the default
in rpm-ostree for years, and solves several important bugs
around not capturing `/etc` while things are running.
Also, `ostree admin upgrade --stage` (should) become idempotent.
Closes: https://github.com/ostreedev/ostree/issues/2389
As pointed out in the original review, `gpg-list-keys` fits better
alongside the existing `gpg-import`.
Changes were done with:
```
git grep -l list-gpg-keys | xargs sed -i 's/list-gpg-keys/gpg-list-keys/'
for src in $(git ls-files '*list-gpg-keys*'); do
dst=${src/list-gpg-keys/gpg-list-keys}
git mv "$src" "$dst"
done
```
This provides a wrapper for the `ostree_repo_remote_get_gpg_keys`
function to show the GPG keys associated with a remote. This is
particularly useful for validating that GPG key updates have been
applied. Tests are added, which checks the
`ostree_repo_remote_get_gpg_keys` API by extension.
I was doing some rpm-ostree work and I wanted to compare two
OSTree commits to see if the kernel has changed. I think
this should be a lot more natural.
Add `ostree commit --bootable` which calls into a new generic
library API `ostree_commit_metadata_for_bootable()` that
discovers the kernel version and injects it as an `ostree.linux`
metadata key. And for extra clarity, add an `ostree.bootable`
key.
It's interesting because the "core" OSTree layer is all about
generic files, but this is adding special APIs around bootable
OSTree commits (as opposed to e.g. flatpak as well as
things like rpm-ostree's pkgcache refs).
Eventually, I'd like to ensure everyone is using this and
hard require this metadata key for the `ostree admin deploy`
flow - mainly to prevent accidents.
In some cases such as backups or mirroring you may want to pull commits
from one repo to another even if there commits that have incorrect
bindings. Fixing the commits in the source repository to have correct
bindings may not be feasible, so provide a pull option to disable
verification.
For Endless we have several repositories that predate collection IDs and
ref bindings. Later these repositories gained collection IDs to support
the features they provide and ref bindings as the ostree tooling was
upgraded. These repositories contain released commits that were valid to
the clients they were targeting at the time. Correcting the bindings is
not really an option as it would mean invalidating the repository
history.
...with the `sysroot.bootloader` configuration option. This can be useful
when converting a system to use `ostree` which doesn't currently have a
bootloader configuration that `ostree` can automatically detect, and is
also useful in combination with the `--sysroot` option when provisioning a
rootfs for systems other than the one you're running `ostree admin deploy`
on.
Alternative to https://github.com/ostreedev/ostree/pull/2197
Python's (usually) zero-sized `__init__.py` files can provoke
us hitting the hardlink limits on some filesystems (`EMLINK`).
At least one Fedora rpm-ostree user hit this.
The benefits of hardlinking here are quite marginal; lots
of hardlinks can behave suboptimally in particular filesystems
like BTRFS too.
This builds on prior code which made this an option, introduced
in 673cacd633
Now we just do it uncondtionally.
Also this provoked a different bug in a very obscure user mode checkout
case; when the "real" permissions were different from the "physical"
permissions, we would still hardlink. Fix the test case for this.
Add new "static-delta verify" sub-command.
This supports multiple keys to verify the static-delta file.
Signed-off-by: Frédéric Danis <frederic.danis@collabora.com>
I was trying to followup the `--selinux-policy-from-base` work
to add a `cosa build --fast=overlay` for coreos-assembler,
but hit on the fact that using e.g. `--owner-uid` disables
commit optimizations.
A while ago, https://github.com/ostreedev/ostree/pull/1643 landed
which optimized this for the case where no modifications are provided.
But, we really need the SELinux policy bits, and it's super convenient
to run `ostree commit` as non-root.
It's fairly surprising actually that it's taken us so long to
iterate on a good interface for this "commit changes on top of a base"
model. In practice, many nontrivial cases really end up needing
to do a (hardlink) checkout, and that case is optimized.
But for this coreos-assembler work I want to directly overlay onto
a commit object another commit object.
That previous PR above added exactly the API we need, so let's
expose it in the CLI.
What you can see happening in the test is that we provide
`--owner-uid 42`, but that only applies to directories/files
that were added in the commit.
And now that I look at this, I think what we really want here
is to avoid changing directories that exist in the base, but
eh; in practice the main use here is for `--owner-uid 0` while
committing as non-root; and that works fine with this since
the baseline uid will be zero as well.
This will be useful in the unit test added by the next commit. It just
passes OSTREE_REPO_PULL_FLAGS_MIRROR to the call to
ostree_repo_pull_from_remotes_async().
Currently if you want to update a non-alias ref, you need to first check
if it exists and use either `ostree refs --create` or `ostree reset` as
appropriate. That's unnecessarily complicated and is much less
convenient than the old `write-refs` builtin that simply called
`ostree_repo_set_ref_immediate()` without any checks.
Add a `--force` option to be used with `--create` that does not raise an
error when the destination ref already exists.
Closes: #1870
Approved by: jlebon
The sysroot.bootloader key configures the bootloader
that OSTree uses when deploying a sysroot. Having this key
allows specifying behavior not to use the default bootloader
backend code, which is preferable when creating a first
deployment from the sysroot (#1774).
As of now, the key can take the values "auto" or "none". If
the key is not given, the value defaults to "auto".
"auto" causes _ostree_sysroot_query_bootloader() to be used
when writing a new deployment, which is the original behavior
that dynamically detects which bootloader to use.
"none" avoids querying the bootloader dynamically. The BLS
config fragments are still written to
sysroot/boot/loader/entries for use by higher-level software.
More values can be supported in future to specify a single
bootloader, different behavior for the bootloader code, or
a list of bootloaders to try.
Resolves: #1774Closes: #1814
Approved by: jlebon
It doesn't make much sense to use SECTIONNAME in some places and
GROUPNAME in others when they mean the same thing.
Closes: #1743
Approved by: cgwalters
Currently there's a way to set a key to the empty string but there's no
way to unset it completely (remove the key from the group). This might
be helpful for instance if you want to temporarily set
"core.lock-timeout-secs" to a specific value for the duration of one
operation and then return it to the default after that operation
completes.
This commit implements an "unset" operation for the config command, adds
a unit test, and updates the man page.
Closes: #1743
Approved by: cgwalters
This uses the OSTREE_REPO_REMOTE_CHANGE_REPLACE operation to add a
remote or replace an existing one. This is roughly the opposite of
--if-not-exists and will raise an error if both options are passed.
Closes: #1166
Approved by: cgwalters
This allows specifying gpgpath as list of
paths that can point to a file or a directory. If a directory path
is given, paths to all regular files in the directory are added
to the remote as gpg ascii keys. If the path is not a directory,
the file is directly added (whether regular file, empty - errors
will be reported later when verifying gpg keys e.g. when pulling).
Adding the gpgkeypath property looks like:
ostree --repo=repo remote add --set=gpgpath="/path/key1.asc,/path/keys.d" R1 https://example.com/some/remote/ostree/repoCloses#773Closes: #1773
Approved by: cgwalters
This renames a config key to make its semantics more obvious. Despite
what the commit message says, it only applies when a set of repo finders
is not specified (either on the command line or in a library API call).
This also renames the corresponding ostree_repo_get function. We can do
this since it hasn't been released yet.
Closes: #1763
Approved by: pwithnall
This commit disables searching on the local network for refs, unless
explicitly requested by the user either by changing the value of the
"core.repo-finders" config option, or by passing an OstreeRepoFinderAvahi to
ostree_repo_find_remotes_async() / ostree_repo_finder_resolve_async(),
or by specifying "lan" in the --finders option of the find-remotes
command.
The primary reason for this is that ostree_repo_find_remotes_async()
takes about 40% longer to complete with the LAN finder enabled, and that
API is used widely (e.g. in every flatpak operation). It's also probable
that some users don't want ostree doing potentially unexpected traffic
on the local network, even though everything pulled from a peer is GPG
verified.
Flathub will soon deploy collection IDs to everyone[1] so these code
paths will soon see a lot more use and that's why this change is being
made now.
Endless is the only potential user of the LAN updates feature, and we
can revert this patch on our fork of ostree. For it to be used outside
Endless OS we will need to upstream eos-updater-avahi and
eos-update-server into ostree.
[1] https://github.com/flathub/flathub/issues/676Closes: #1758
Approved by: cgwalters
Currently libostree essentially has two modes when it's pulling refs:
the "legacy" code paths pull only from the Internet, and the code paths
that are aware of collection IDs try to pull from the Internet, the
local network, and mounted filesystems (such as USB drives). The problem
is that while we eventually want to migrate everyone to using collection
IDs, we don't want to force checking LAN and USB sources if the user
just wants to pull from the Internet, since the LAN/USB code paths can
have privacy[1], security[2], and performance[3] implications.
So this commit implements a new repo config option called "repo-finders"
which can be configured to, for example, "config;lan;mount;" to check
all three sources or "config;mount;" to disable searching the LAN. The
set of values mirror those used for the --finders option of the
find-remotes command. This configuration affects pulls in three places:
1. the ostree_repo_find_remotes_async() API, regardless of whether or
not the user of the API provided a list of OstreeRepoFinders
2. the ostree_repo_finder_resolve_async() /
ostree_repo_finder_resolve_all_async() API
3. the find-remotes command
This feature is especially important right now since we soon want to
have Flathub publish a metadata key which will have Flatpak clients
update the remote config to add a collection ID.[4]
This effectively fixes https://github.com/flatpak/flatpak/issues/1863
but I'll patch Flatpak too, so it doesn't pass finders to libostree only
to then have them be removed.
[1] https://github.com/flatpak/flatpak/issues/1863#issuecomment-404128824
[2] https://github.com/ostreedev/ostree/issues/1527
[3] Based on how long the "ostree find-remotes" command takes to
complete, having the LAN finder enabled slows down that step of the
pull process by about 40%. See also
https://github.com/flatpak/flatpak/issues/1862
[4] https://github.com/flathub/flathub/issues/676Closes: #1758
Approved by: cgwalters
This commit removes the recommendation in the create-usb man page for
the user to update the summary in the source repo before using the
create-usb command. I'm not sure where I got the idea that create-usb
depends on a summary in the source repo. I went back to the first commit
that introduced the create-usb command and even using that a summary
isn't required, so it seems unlikely that this changed recently.
This is good news because the exclusive lock that's taken for summary
updates has been causing problems on Endless (due to other processes
having a lock for the duration of the 30 second acquire time out
period).
Closes: #1746
Approved by: cgwalters
Currently on Endless OS, the OSTree ref for the operating system is
something like os/eos/amd64/eos3, so that's what gets passed to `ostree
create-usb` when copying the OS to a USB drive (for offline updates).
However, when eos-updater checks for updates it pulls the metadata for a
candidate commit and in so doing updates that eos3 ref to point to the
partial commit being examined as a potential update rather than the
deployed commit. This causes `ostree create-usb` to fail with an error
like "No such metadata object
7fb045cb2d1f1f3a81bfc157c6128ff443eb56350315b9536bdb56aee0659863.dirtree".
OSTree creates deployment refs that look like "ostree/1/1/0" to maintain
a pointer to the deployed commit, but create-usb can't use these because
it shows up in the summary as just a ref, not a collection-ref.
So this commit adds a --commit option to the create-usb command, so we
can use the appropriate ref but copy the deployed commit rather than a
(potentially partial) update commit.
Closes: #1735
Approved by: cgwalters
Fetching value from a repo config using 'ostree config
get SECTIONNAME.KEYNAME' didn't work in some cases like
when having dots in Group Name entry.
As per Desktop entry file specification, Group Name
may contain all ASCII characters except for [ and ]
and control characters.
Link - https://specifications.freedesktop.org/desktop-entry-spec/desktop-entry-spec-1.1.html
Having --group option will help user to clearly specify
Group Name and get desired result.
It also adds test for ostree config get|set and bash
completion for --group option
Fixes https://github.com/ostreedev/ostree/issues/1565Closes: #1696
Approved by: cgwalters
