Method Validate

expr/server.go:135–168

Validate validates the host.

()

// Validate validates the host.
func (h *HostExpr) Validate() error {
	verr := new(eval.ValidationErrors)
	if len(h.URIs) == 0 {
		verr.Add(h, "host must define at least one URI")
	}
	for _, u := range h.URIs {
		vu := uriVariableRegex.ReplaceAllString(string(u), "/w")
		pu, err := url.Parse(vu)
		if err != nil {
			verr.Add(h, "malformed URI %q", u)
			continue
		}
		if pu.Scheme == "" {
			verr.Add(h, "missing scheme for URI %q, scheme must be one of 'http', 'https', 'grpc' or 'grpcs'", u)
		} else if _, ok := validSchemes[pu.Scheme]; !ok {
			verr.Add(h, "invalid scheme for URI %q, scheme must be one of 'http', 'https', 'grpc' or 'grpcs'", u)
		}
	}
	if h.Variables != nil {
		for _, v := range *(h.Variables.Type.(*Object)) {
			if !IsPrimitive(v.Attribute.Type) {
				verr.Add(h, "invalid type for URI variable %q: type must be a primitive", v.Name)
			}
			if v.Attribute.Validation == nil {
				if v.Attribute.DefaultValue == nil {
					verr.Add(h, "URI variable %q must have a default value or an enum validation", v.Name)
				}
			} else if v.Attribute.DefaultValue == nil && len(v.Attribute.Validation.Values) == 0 {
				verr.Add(h, "URI variable %q must have a default value or an enum validation", v.Name)
			}
		}
	}
	return verr
}

// Finalize makes sure Variables is set.
func (h *HostExpr) Finalize() {