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Support various target and resource with go-getter

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This commit is contained in:
Kubernetes Prow Robot
2020-03-06 15:45:34 -08:00
committed by Yujun Zhang
parent 3a2635bd2d
commit 51b29d7023
9 changed files with 228 additions and 45 deletions
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48
api/loader/fileloader.go
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@@ -95,6 +95,13 @@ type fileLoader struct {
// Used to clone repositories.
cloner git.Cloner
// If this is non-nil, the files were
// obtained from the given resource
rscSpec *resourceSpec
// Used to get resources
getter resourceGetter
// Used to clean up, as needed.
cleaner func() error
}
@@ -127,20 +134,21 @@ func newLoaderOrDie(
log.Fatalf("unable to make loader at '%s'; %v", path, err)
}
return newLoaderAtConfirmedDir(
lr, root, fSys, nil, git.ClonerUsingGitExec)
lr, root, fSys, nil, git.ClonerUsingGitExec, getResource)
}
// newLoaderAtConfirmedDir returns a new fileLoader with given root.
func newLoaderAtConfirmedDir(
lr LoadRestrictorFunc,
root filesys.ConfirmedDir, fSys filesys.FileSystem,
referrer *fileLoader, cloner git.Cloner) *fileLoader {
referrer *fileLoader, cloner git.Cloner, getter resourceGetter) *fileLoader {
return &fileLoader{
loadRestrictor: lr,
root: root,
referrer: referrer,
fSys: fSys,
cloner: cloner,
getter: getter,
cleaner: func() error { return nil },
}
}
@@ -170,37 +178,44 @@ func (fl *fileLoader) New(path string) (ifc.Loader, error) {
if path == "" {
return nil, fmt.Errorf("new root cannot be empty")
}
repoSpec, err := git.NewRepoSpecFromUrl(path)
if err == nil {
ldr, errGet := newResourceGetter(path, fl.fSys, nil, fl.cloner, fl.getter)
if errGet == nil {
return ldr, nil
}
repoSpec, errGit := git.NewRepoSpecFromUrl(path)
if errGit == nil {
// Treat this as git repo clone request.
if err := fl.errIfRepoCycle(repoSpec); err != nil {
return nil, err
if errGit := fl.errIfRepoCycle(repoSpec); errGit != nil {
return nil, errGit
}
return newLoaderAtGitClone(
repoSpec, fl.fSys, fl, fl.cloner)
repoSpec, fl.fSys, fl, fl.cloner, fl.getter)
}
if filepath.IsAbs(path) {
return nil, fmt.Errorf("new root '%s' cannot be absolute", path)
}
root, err := demandDirectoryRoot(fl.fSys, fl.root.Join(path))
if err != nil {
return nil, err
root, errDir := demandDirectoryRoot(fl.fSys, fl.root.Join(path))
if errDir != nil {
return nil, fmt.Errorf("Error loading %s with git: %v, dir: %v, get: %v", path, errGit, errDir, errGet)
}
if err := fl.errIfGitContainmentViolation(root); err != nil {
return nil, err
if errDir := fl.errIfGitContainmentViolation(root); errDir != nil {
return nil, errDir
}
if err := fl.errIfArgEqualOrHigher(root); err != nil {
return nil, err
if errDir := fl.errIfArgEqualOrHigher(root); errDir != nil {
return nil, errDir
}
return newLoaderAtConfirmedDir(
fl.loadRestrictor, root, fl.fSys, fl, fl.cloner), nil
fl.loadRestrictor, root, fl.fSys, fl, fl.cloner, fl.getter), nil
}
// newLoaderAtGitClone returns a new Loader pinned to a temporary
// directory holding a cloned git repo.
func newLoaderAtGitClone(
repoSpec *git.RepoSpec, fSys filesys.FileSystem,
referrer *fileLoader, cloner git.Cloner) (ifc.Loader, error) {
referrer *fileLoader, cloner git.Cloner, getter resourceGetter) (ifc.Loader, error) {
cleaner := repoSpec.Cleaner(fSys)
err := cloner(repoSpec)
if err != nil {
@@ -230,6 +245,7 @@ func newLoaderAtGitClone(
repoSpec: repoSpec,
fSys: fSys,
cloner: cloner,
getter: getter,
cleaner: cleaner,
}, nil
}