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main: add --force-repo flag

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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.
This commit is contained in:
Michael Vogt 2025-02-12 16:59:37 +01:00 • committed by Simon de Vlieger
parent e2aeecec8e
commit bc5be2ba8a
6 changed files with 120 additions and 44 deletions
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37
cmd/image-builder/main_test.go
View file

@ -646,3 +646,40 @@ func TestManifestExtraRepo(t *testing.T) {
assert.Contains(t, fakeStdout.String(), `"path":"dummy-1.0.0-0.noarch.rpm"`)
assert.Contains(t, fakeStdout.String(), fmt.Sprintf(`"url":"file://%s"`, localRepoDir))
}
func TestManifestOverrideRepo(t *testing.T) {
if testing.Short() {
t.Skip("manifest generation takes a while")
}
if !hasDepsolveDnf() {
t.Skip("no osbuild-depsolve-dnf binary found")
}
var fakeStderr bytes.Buffer
restore := main.MockOsStderr(&fakeStderr)
defer restore()
restore = main.MockOsArgs([]string{
"manifest",
"qcow2",
"--distro=centos-9",
"--arch=x86_64",
"--force-repo=http://xxx.abcdefgh-no-such-host.com/repo",
})
defer restore()
// XXX: dnfjson is very chatty and puts a bunch of output on stderr
// we should probably silence this in images as its the job of the
// error to catpure this. Use CaptureStdio here to ensure we don't
// get noisy and confusing errors when this test runs.
var err error
testutil.CaptureStdio(t, func() {
err = main.Run()
})
assert.ErrorContains(t, err, "forced repo#0 xxx.abcdefgh-no-such-host.com/repo: http://xxx.abcdefgh-no-such-host.com/repo]: Cannot download repomd.xml")
// XXX: we should probably look into "images" here, there is a bunch
// of redundancy in the full error message:
//
// `error depsolving: running osbuild-depsolve-dnf failed:
// DNF error occurred: RepoError: There was a problem reading a repository: Failed to download metadata for repo '9828718901ab404ac1b600157aec1a8b19f4b2139e7756f347fb0ecc06c92929' [forced repo#0 xxx.abcdefgh-no-such-host.com/repo: http://xxx.abcdefgh-no-such-host.com/repo]: Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried`
}