Esempio n. 1
0
// VersionedParams will take the provided object, serialize it to a map[string][]string using the
// implicit RESTClient API version and the default parameter codec, and then add those as parameters
// to the request. Use this to provide versioned query parameters from client libraries.
func (r *Request) VersionedParams(obj runtime.Object, codec runtime.ParameterCodec) *Request {
	if r.err != nil {
		return r
	}
	params, err := codec.EncodeParameters(obj, *r.content.GroupVersion)
	if err != nil {
		r.err = err
		return r
	}
	for k, v := range params {
		for _, value := range v {
			// TODO: Move it to setParam method, once we get rid of
			// FieldSelectorParam & LabelSelectorParam methods.
			if k == unversioned.LabelSelectorQueryParam(r.content.GroupVersion.String()) && value == "" {
				// Don't set an empty selector for backward compatibility.
				// Since there is no way to get the difference between empty
				// and unspecified string, we don't set it to avoid having
				// labelSelector= param in every request.
				continue
			}
			if k == unversioned.FieldSelectorQueryParam(r.content.GroupVersion.String()) {
				if len(value) == 0 {
					// Don't set an empty selector for backward compatibility.
					// Since there is no way to get the difference between empty
					// and unspecified string, we don't set it to avoid having
					// fieldSelector= param in every request.
					continue
				}
				// TODO: Filtering should be handled somewhere else.
				selector, err := fields.ParseSelector(value)
				if err != nil {
					r.err = fmt.Errorf("unparsable field selector: %v", err)
					return r
				}
				filteredSelector, err := selector.Transform(
					func(field, value string) (newField, newValue string, err error) {
						return fieldMappings.filterField(r.content.GroupVersion, r.resource, field, value)
					})
				if err != nil {
					r.err = fmt.Errorf("untransformable field selector: %v", err)
					return r
				}
				value = filteredSelector.String()
			}

			r.setParam(k, value)
		}
	}
	return r
}
Esempio n. 2
0
// FieldsSelectorParam adds the given selector as a query parameter with the name paramName.
func (r *Request) FieldsSelectorParam(s fields.Selector) *Request {
	if r.err != nil {
		return r
	}
	if s == nil {
		return r
	}
	if s.Empty() {
		return r
	}
	s2, err := s.Transform(func(field, value string) (newField, newValue string, err error) {
		return fieldMappings.filterField(r.content.GroupVersion, r.resource, field, value)
	})
	if err != nil {
		r.err = err
		return r
	}
	return r.setParam(unversioned.FieldSelectorQueryParam(r.content.GroupVersion.String()), s2.String())
}