str.removeprefix() is not available in Python 3.6, which we need to
support EL8.
Instead of removing the prefix from the original path string, take the
path property of the parsed URL. Since we're dealing with file paths,
there will be no params, query, or fragment strings so the path should
be all we need.
So that we see any error output during the tests in "realtime". With
subprocess check=True and capture_output=True on exit_code != 0 no
stderr as part of the exception by default so this change helps
seeing issues from depsolve-dnf more easily.
Add a new line to after a successful build and before the final output
is printed to the terminal. Since the final build output and the
"manifest finished successfully" line were being printed to the same
line.
Originally, I made releasever required only when root_dir was set. This
was initially done to maintain backwards compatibility but we broke that
already and osbuild/images will always include releasever in the
request.
Extract make_dnf_scafolding as a helper, mostly so that the config_combos()
function is easier to read. It seems one core concept here is the iteration
of "combo[0]" and "combo[1]" so having them symetrical at the same indent
level feel easier to read to me.
This adds a new `org.osbuild.bind` mount feature to the osbuild
mount modules. This allows to (r)bind mount parts of another mount
into the tree (or replace the default tree for a stage entirely).
The use case is the `bootc install to-filesystem` where we get
a populated disk and need to do customizations directly there
without going through an intermediate tree.
Note that right now only "--rbind" is supported and used but
we could trivially change that to become an option in either
direction. Given that the main use-case right now is to be
paried with `org.osbuild.ostree.deployment` and here the
`rbind` is crucial I would leave that the default.
Here is an example what this looks like:
```json
{
"type": "org.osbuild.users",
"options": {
"users": {
"alice": {
"home": "/home/alice",
"groups": [
"wheel"
],
"password": "$6$NV3P7UzUqP3xb1ML$3qnHpWs037VRTaOc.kirQ4.RwNz4gu9dkhAhpBYVCkHw8CMhpBKnegyyqw0QfURowarZnRnQi.jo4JEzIOvPO/",
"key": "ssh-rsa AAA ... user@email.com"
}
}
},
"devices": {
"disk": {
"type": "org.osbuild.loopback",
"options": {
"filename": "disk.raw",
"partscan": true
}
}
},
"mounts": [
{
"name": "part4",
"type": "org.osbuild.ext4",
"source": "disk",
"target": "/",
"partition": 4
},
...
{
"name": "ostree.deployment",
"type": "org.osbuild.ostree.deployment",
"options": {
"source": "mount",
"deployment": {
"default": true
}
}
},
{
"name": "bind",
"type": "org.osbuild.bind",
"target": "tree://",
"options": {
"source": "mount://"
}
}
]
},
```
Similar to `stages` and `sources` we need some basic infrastructure
so that we can use a `mounts_module` fixture for the coming tests
to the mount modules.
The "main" branch is failing right now in tests. The reason is
that we do not have a merge queue and when
https://github.com/osbuild/osbuild/pull/1715
was merged we had no test for `osbuild-depsolve-dnf` yet.
We have one now (THANK YOU achilleas-k) and it shows an issue :)
This commit fixes the issue.
Depsolver test that starts a temporary file server and queries it using
osbuild-depsolve-dnf.
Generates all combinations of repositories configured through the
depsolve-dnf request or the repositories directory and runs the test
cases. The results should be the same regardless of combination.
Test repos are defined with a fake gpg key on the request or repo config
and check if it is read correctly and attached to the repo configs in
the response. The name of the repo is appended to each repo's gpg key
so we can make sure that repo option values don't get swapped.
Add two test rpm metadata directories that can be served as RPM repos.
One was copied from osbuild/images and contains the repository metadata
for CentOS Stream 9 BaseOS.
The second was created by building a simple spec file into an RPM and
creating the metadata using createrepo.
Some of the repository properties in the request were named differently
than the equivalent properties in the dnf repository configuration.
This can introduce bugs and confusion.
One such issue already existed with osbuild/images using 'gpgcheck' in
the request, osbuild-depsolve-dnf5 checking for 'check_gpg', and the dnf
repository configuration property being 'gpgcheck'. This didn't cause
any bad behaviour because osbuild/images reused the original (internal)
configuration to set the property in stages and depsolving isn't
affected by the value of this property.
Change the request properties to match the dnf repository configuration
to avoid confusion: gpgcheck, repo_gpgcheck, and sslverify. Users of
osbuild-depsolve-dnf5 should use property names that match dnf. Use
the same names in the response.
To maintain the same behaviour for SSL verification, a missing sslverify
default to True. The previous property had the opposite meaning,
ignore_ssl, and defaulted to False.
Add the full gpg keys to the repository configs in the response.
On each repository object from dnf, the gpg keys are URLs, either
file:// or http(s)://. We need to resolve these and return them with
in the response.
When the URL is a file:// path, and it comes from a .repo config file,
we assume that the path is relative to the root_dir, so we prepend it to
the path in the file. This is so that repo configs in OS root trees can
be used unmodified. However, when a key is defined in the request, we
should assume that the path is valid, either because it was defined by
the caller as a URL, or because it was defined in-line in the request
and osbuild-depsolve-dnf5 wrote it to the persistdir itself.
A new exception is defined to identify errors during this process.
Support loading repositories from a root tree instead of supplying them
with the request. The repositories should be in the standard yum repo
format. Both repository sources can be defined simultaneously, but at
least one is required.
The root_dir is expected to contain files necessary for depsolving in
the standard paths.
These files are:
- Repository (.repo) configurations in <root_dir>/etc/yum.repos.d/
- GPG key files in <root_dir>/etc/pki/rpm-gpg/
- This will be used to resolve gpg key paths specified in the .repo
files that are relative to the root_dir.
- (Optional) Custom dnf config variables in <root_dir>/etc/dnf/vars or
<root_dir>/usr/share/dnf5/vars.d.
- This is used by CentOS Stream to set the value of $stream.
Custom repository configurations in arbitrary (non-root) paths will have
to follow this directory structure.
A new variable is added to the request, `releasever`, which is mandatory
when using `root_dir`. This variable is used in repository URLs and GPG
key paths. In the default case, dnf reads this variable by inspecting
the rpm database. We will override it in the Solver the same way we
override the arch and basearch for variable substitution. In the
future, we will make this variable mandatory in all cases, which will
make the variable available for repo configs defined in the request as
well.
The root_dir is used in three ways:
- Set the base.conf.installroot
- Set the base.conf.varsdir to <root_dir>/usr/share/dnf5/vars.d and
<root_dir>/etc/dnf/vars to read resolve custom variables when loading
repositories.
- Call create_repos_from_dir() with <root_dir>/etc/yum.repos.d.
base.setup() should be called before loading repositories otherwise
substitutions might not work.
See https://github.com/rpm-software-management/dnf5/issues/1374#issuecomment-2038995031
Some of the repository properties in the request were named differently
than the equivalent properties in the dnf repository configuration.
This can introduce bugs and confusion.
One such issue already existed with osbuild/images using 'gpgcheck' in
the request, osbuild-depsolve-dnf checking for 'check_gpg', and the dnf
repository configuration property being 'gpgcheck'. This didn't cause
any bad behaviour because osbuild/images reused the original (internal)
configuration to set the property in stages and depsolving isn't
affected by the value of this property.
Change the request properties to match the dnf repository configuration
to avoid confusion: gpgcheck, repo_gpgcheck, and sslverify. Users of
osbuild-depsolve-dnf (osbuild/images) should use property names that
match dnf. Use the same names in the response.
To maintain the same behaviour for SSL verification, a missing sslverify
default to True. The previous property had the opposite meaning,
ignore_ssl, and defaulted to False.
Add the full gpg keys to the repository configs in the response.
On each repository object from dnf, the gpg keys are URLs, either
file:// or http(s)://. We need to resolve these and return them with
in the response.
When the URL is a file:// path, and it comes from a .repo config file,
we assume that the path is relative to the root_dir, so we prepend it to
the path in the file. This is so that repo configs in OS root trees can
be used unmodified. However, when a key is defined in the request, we
should assume that the path is valid, either because it was defined by
the caller as a URL, or because it was defined in-line in the request
and osbuild-depsolve-dnf wrote it to the persistdir itself.
A new exception is defined to identify errors during this process.
When generating package sources and rpm stage metadata for a manifest
from a list of packages, we need to associate repository configuration
options to each package [1]. Previously, a caller had all the
repository configurations because they were part of the request, so
packages could be associated with all the repository options by the
repository ID. Now, osbuild-depsolve-dnf will use repositories loaded
from a directory that the caller shouldn't have to read, so returning
all repository configurations in the response makes it possible to
get all package metadata from the response.
This changes the whole structure of the response to a depsolve request.
Previously, we returned an array of packages. Now we return an object
with two keys:
- packages: the array of packages as before
- repositories: an object mapping repository IDs to repository
configurations.
Each package contains the repository ID it comes from (as before), under
`repo_id`. This can be used to get repository configurations and
determine gpg keys and SSL certs for each package.
The new structure avoids duplicating values across all the (sometimes
hundreds) of packages.
[1] 92497c7b1f/pkg/dnfjson/dnfjson.go (L499-L507)
Support loading repositories from a root tree instead of supplying them
with the request. The repositories should be in the standard yum repo
format. Both repository sources can be defined simultaneously, but at
least one is required.
The root_dir is expected to contain files necessary for depsolving in
the standard paths.
These files are:
- Repository (.repo) configurations in <root_dir>/etc/yum.repos.d/
- GPG key files in <root_dir>/etc/pki/rpm-gpg/
- This will be used to resolve gpg key paths specified in the .repo
files that are relative to the root_dir.
- (Optional) Custom dnf config variables in <root_dir>/etc/dnf/vars or
<root_dir>/etc/yum/vars.
- This is used by CentOS Stream to set the value of $stream.
Custom repository configurations in arbitrary (non-root) paths will have
to follow this directory structure.
A new variable is added to the request, `releasever`, which is mandatory
when using `root_dir`. This variable is used in repository URLs and GPG
key paths. In the default case, dnf reads this variable by inspecting
the rpm database. We will override it in the Solver the same way we
override the arch and basearch for variable substitution. In the
future, we will make this variable mandatory in all cases, which will
make the variable available for repo configs defined in the request as
well.
The root_dir is used in two ways:
- Set the base.conf.reposdir to <root_dir>/etc/yum.repos.d.
- Call update_from_etc() with root_dir to read custom variables in
<root_dir>/etc/yum/vars and <root_dir>/etc/dnf/vars.
This allows to combine `org.osbuild.mkdir` with the `osbuild.deployment`
mount and with the upcoming `org.osbuild.bind` mount. The use case is
that we need to create the dir `/var/home` so that `useradd` from inside
a ostree root works (there /home is a symlink and useradd will not
follow the symlink and create a dir in the target by itself).
This allows to write:
```json
{
"type": "org.osbuild.mkdir",
"options": {
"paths": [
{
"path": "/var/home"
}
]
},
"devices": {
"disk": {
"type": "org.osbuild.loopback",
"options": {
"filename": "disk.raw",
"partscan": true
}
}
},
"mounts": [
{
"name": "part4",
"type": "org.osbuild.ext4",
"source": "disk",
"target": "/",
"partition": 4
},
{
"name": "part3",
"type": "org.osbuild.ext4",
"source": "disk",
"target": "/boot",
"partition": 3
},
{
"name": "part2",
"type": "org.osbuild.fat",
"source": "disk",
"target": "/boot/efi",
"partition": 2
},
{
"name": "ostree.deployment",
"type": "org.osbuild.ostree.deployment",
"options": {
"source": "mount",
"deployment": {
"default": true
}
}
},
{
"name": "bind",
"type": "org.osbuild.bind",
"target": "tree://",
"options": {
"source": "mount://"
}
}
]
},
```
to fix this.
To test the curl sources it is very useful to have a small httpd
server that can serve an arbitrary directory. This helper will
ensure that via:
```python
with with osbuild.testutil.net.http_serve_directory(fake_httpd_root) as httpd:
port = httpd.server_port
# download from http://localhost:{port}/<any-path-under-httpd-root>
```
When moving to `bootc install to-filesystem` we will need support
for mounting the deployed disk and writing to the deployment root
this requires that we teach the users and selinux stages to
have them available. This is a first step towards this.
It also adds tests to ensure the options can be passed.
This is a preparation to allow adding mounts/devices to the users
stage so that we can eventually support bootc install to-filesystem.
It also adds some smoke tests for the schema to ensure it's still
valid.
