package service import ( "context" "github.com/micro/go-micro/v2/client" "github.com/micro/go-micro/v2/config/source" proto "github.com/micro/go-micro/v2/config/source/service/proto" "github.com/micro/go-micro/v2/logger" ) var ( DefaultName = "go.micro.config" DefaultNamespace = "global" DefaultPath = "" DefaultClient = client.DefaultClient ) type service struct { serviceName string namespace string path string opts source.Options client proto.ConfigService } func (m *service) Read() (set *source.ChangeSet, err error) { req, err := m.client.Read(context.Background(), &proto.ReadRequest{ Namespace: m.namespace, Path: m.path, }) if err != nil { return nil, err } return toChangeSet(req.Change.ChangeSet), nil } func (m *service) Watch() (w source.Watcher, err error) { stream, err := m.client.Watch(context.Background(), &proto.WatchRequest{ Namespace: m.namespace, Path: m.path, }) if err != nil { if logger.V(logger.ErrorLevel, logger.DefaultLogger) { logger.Error("watch err: ", err) } return } return newWatcher(stream) } // Write is unsupported func (m *service) Write(cs *source.ChangeSet) error { return nil } func (m *service) String() string { return "service" } func NewSource(opts ...source.Option) source.Source { var options source.Options for _, o := range opts { o(&options) } addr := DefaultName namespace := DefaultNamespace path := DefaultPath if options.Context != nil { a, ok := options.Context.Value(serviceNameKey{}).(string) if ok { addr = a } k, ok := options.Context.Value(namespaceKey{}).(string) if ok { namespace = k } p, ok := options.Context.Value(pathKey{}).(string) if ok { path = p } } s := &service{ serviceName: addr, opts: options, namespace: namespace, path: path, client: proto.NewConfigService(addr, DefaultClient), } return s }