add registry base interface, mdns, noop implementations, add resolver, client

registry/noop/registry.go

@@ -0,0 +1,60 @@
+package noop
+
+import (
+	"google.golang.org/grpc/resolver"
+
+	"gitlab.bertha.cloud/partitio/lab/grpc/registry"
+	resolver2 "gitlab.bertha.cloud/partitio/lab/grpc/resolver"
+)
+
+
+func New() registry.Registry {
+	return &noop{}
+}
+
+type noop struct {}
+
+func (n noop) ResolverBuilder() resolver.Builder {
+	return resolver2.New(n)
+}
+
+func (n noop) Init(option ...registry.Option) error {
+	return nil
+}
+
+func (n noop) Options() registry.Options {
+	return registry.Options{}
+}
+
+func (n noop) Register(service *registry.Service, option ...registry.RegisterOption) error {
+	return nil
+}
+
+func (n noop) Deregister(service *registry.Service, option ...registry.DeregisterOption) error {
+	return nil
+}
+
+func (n noop) GetService(s string, option ...registry.GetOption) ([]*registry.Service, error) {
+	return nil, nil
+}
+
+func (n noop) ListServices(option ...registry.ListOption) ([]*registry.Service, error) {
+	return nil, nil
+}
+
+func (n noop) Watch(option ...registry.WatchOption) (registry.Watcher, error) {
+	return noopWatcher{}, nil
+}
+
+func (n noop) String() string {
+	return "passthroug"
+}
+
+type noopWatcher struct {}
+
+func (n noopWatcher) Next() (*registry.Result, error) {
+	return &registry.Result{}, nil
+}
+
+func (n noopWatcher) Stop() {}
+