func ValidateSubresourceReference(ref extensions.SubresourceReference, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if len(ref.Kind) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("kind"), ""))
} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Kind); !ok {
allErrs = append(allErrs, field.Invalid(fldPath.Child("kind"), ref.Kind, msg))
}
if len(ref.Name) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("name"), ""))
} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Name); !ok {
allErrs = append(allErrs, field.Invalid(fldPath.Child("name"), ref.Name, msg))
}
if len(ref.Subresource) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("subresource"), ""))
} else if ok, msg := apivalidation.IsValidPathSegmentName(ref.Subresource); !ok {
allErrs = append(allErrs, field.Invalid(fldPath.Child("subresource"), ref.Subresource, msg))
}
return allErrs
}
// Resource sets the resource to access (<resource>/[ns/<namespace>/]<name>)
func (r *Request) Resource(resource string) *Request {
if r.err != nil {
return r
}
if len(r.resource) != 0 {
r.err = fmt.Errorf("resource already set to %q, cannot change to %q", r.resource, resource)
return r
}
if ok, msg := validation.IsValidPathSegmentName(resource); !ok {
r.err = fmt.Errorf("invalid resource %q: %s", resource, msg)
return r
}
r.resource = resource
return r
}
// Namespace applies the namespace scope to a request (<resource>/[ns/<namespace>/]<name>)
func (r *Request) Namespace(namespace string) *Request {
if r.err != nil {
return r
}
if r.namespaceSet {
r.err = fmt.Errorf("namespace already set to %q, cannot change to %q", r.namespace, namespace)
return r
}
if ok, msg := validation.IsValidPathSegmentName(namespace); !ok {
r.err = fmt.Errorf("invalid namespace %q: %s", namespace, msg)
return r
}
r.namespaceSet = true
r.namespace = namespace
return r
}
// SubResource sets a sub-resource path which can be multiple segments segment after the resource
// name but before the suffix.
func (r *Request) SubResource(subresources ...string) *Request {
if r.err != nil {
return r
}
subresource := path.Join(subresources...)
if len(r.subresource) != 0 {
r.err = fmt.Errorf("subresource already set to %q, cannot change to %q", r.resource, subresource)
return r
}
for _, s := range subresources {
if ok, msg := validation.IsValidPathSegmentName(s); !ok {
r.err = fmt.Errorf("invalid subresource %q: %s", s, msg)
return r
}
}
r.subresource = subresource
return r
}