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Support publishing starlark functions from urls

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This commit is contained in:
Phillip Wittrock
2020-05-13 11:36:19 -07:00
parent 0a8d367633
commit 6ae53cb732
6 changed files with 142 additions and 30 deletions
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30
kyaml/runfn/runfn.go
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@@ -356,25 +356,29 @@ func (r *RunFns) ffp(spec runtimeutil.FunctionSpec, api *yaml.RNode) (kio.Filter
cf.Exec.DeferFailure = spec.DeferFailure
return cf, nil
}
if r.EnableStarlark && spec.Starlark.Path != "" {
if r.EnableStarlark && (spec.Starlark.Path != "" || spec.Starlark.URL != "") {
// the script path is relative to the function config file
m, err := api.GetMeta()
if err != nil {
return nil, errors.Wrap(err)
}
p := m.Annotations[kioutil.PathAnnotation]
spec.Starlark.Path = path.Clean(spec.Starlark.Path)
if path.IsAbs(spec.Starlark.Path) {
return nil, errors.Errorf(
"absolute function path %s not allowed", spec.Starlark.Path)
}
if strings.HasPrefix(spec.Starlark.Path, "..") {
return nil, errors.Errorf(
"function path %s not allowed to start with ../", spec.Starlark.Path)
}
p = path.Join(r.Path, path.Dir(p), spec.Starlark.Path)
sf := &starlark.Filter{Name: spec.Starlark.Name, Path: p}
var p string
if spec.Starlark.Path != "" {
p = m.Annotations[kioutil.PathAnnotation]
spec.Starlark.Path = path.Clean(spec.Starlark.Path)
if path.IsAbs(spec.Starlark.Path) {
return nil, errors.Errorf(
"absolute function path %s not allowed", spec.Starlark.Path)
}
if strings.HasPrefix(spec.Starlark.Path, "..") {
return nil, errors.Errorf(
"function path %s not allowed to start with ../", spec.Starlark.Path)
}
p = path.Join(r.Path, path.Dir(p), spec.Starlark.Path)
}
sf := &starlark.Filter{Name: spec.Starlark.Name, Path: p, URL: spec.Starlark.URL}
sf.FunctionConfig = api
sf.GlobalScope = r.GlobalScope