bc5be2ba8a
This commit adds an `--force-repo` flag that can be used to replace all the base repositories with a base url to a repository. This is useful for testing but also dangerous as it will not do any checks and happily use a fedora-42 repository for centos-8 depsolving. This will make the use-case of the koji builder easier and is also something that the `build` tool in `images` supports.
95 lines
2.9 KiB
Go
95 lines
2.9 KiB
Go
package main
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import (
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"fmt"
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"io/fs"
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"net/url"
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"github.com/osbuild/images/data/repositories"
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"github.com/osbuild/images/pkg/arch"
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"github.com/osbuild/images/pkg/reporegistry"
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"github.com/osbuild/images/pkg/rpmmd"
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)
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// defaultDataDirs contains the default search paths to look for
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// repository data. They contain a bunch of json files of the form
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// "$distro_$version".json (but that is an implementation detail that
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// the "images" library takes care of).
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var defaultDataDirs = []string{
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"/etc/image-builder/repositories",
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"/usr/share/image-builder/repositories",
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}
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type repoConfig struct {
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DataDir string
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ExtraRepos []string
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}
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func parseRepoURLs(repoURLs []string, what string) ([]rpmmd.RepoConfig, error) {
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var repoConf []rpmmd.RepoConfig
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for i, repoURL := range repoURLs {
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// We want to eventually support more URIs repos here:
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// - config:/path/to/repo.json
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// - copr:@osbuild/osbuild (with full gpg retrival via the copr API)
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// But for now just default to base-urls
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baseURL, err := url.Parse(repoURL)
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if err != nil {
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return nil, fmt.Errorf("cannot parse extra repo %w", err)
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}
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if baseURL.Scheme == "" {
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return nil, fmt.Errorf(`scheme missing in %q, please prefix with e.g. file:// or https://`, repoURL)
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}
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// TODO: to support gpg checking we will need to add signing keys.
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// We will eventually add support for our own "repo.json" format
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// which is rich enough to contain gpg keys (and more).
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checkGPG := false
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repoConf = append(repoConf, rpmmd.RepoConfig{
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Id: fmt.Sprintf("%s-repo-%v", what, i),
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Name: fmt.Sprintf("%s repo#%v %s%s", what, i, baseURL.Host, baseURL.Path),
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BaseURLs: []string{baseURL.String()},
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CheckGPG: &checkGPG,
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CheckRepoGPG: &checkGPG,
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})
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}
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return repoConf, nil
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}
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func newRepoRegistryImpl(dataDir string, extraRepos []string) (*reporegistry.RepoRegistry, error) {
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var dataDirs []string
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if dataDir != "" {
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dataDirs = []string{dataDir}
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} else {
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dataDirs = defaultDataDirs
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}
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conf, err := reporegistry.LoadAllRepositories(dataDirs, []fs.FS{repos.FS})
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if err != nil {
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return nil, err
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}
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// XXX: this should probably go into manifestgen.Options as
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// a new Options.ExtraRepoConf eventually (just like OverrideRepos)
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repoConf, err := parseRepoURLs(extraRepos, "extra")
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if err != nil {
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return nil, err
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}
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// Only add extra repos for the host architecture. We do not support
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// cross-building (yet) so this is fine. Once we support cross-building
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// this needs to move (probably into manifestgen) because at this
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// level we we do not know (yet) what manifest we will generate.
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myArch := arch.Current().String()
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for _, repoArchConfigs := range conf {
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archCfg := repoArchConfigs[myArch]
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archCfg = append(archCfg, repoConf...)
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repoArchConfigs[myArch] = archCfg
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}
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return reporegistry.NewFromDistrosRepoConfigs(conf), nil
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}
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// this is a variable to make it overridable in tests
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var newRepoRegistry = newRepoRegistryImpl
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