set default store, fix store options bug, add String method

config/cmd/cmd.go

@@ -278,6 +278,7 @@ var (
 	defaultSelector  = "registry"
 	defaultTransport = "http"
 	defaultRuntime   = "local"
+	defaultStore = "memory"
 )
 
 func init() {

defaults.go

@@ -3,10 +3,12 @@ package micro
 import (
 	"github.com/micro/go-micro/client"
 	"github.com/micro/go-micro/server"
+	"github.com/micro/go-micro/store"
 
 	// set defaults
 	gcli "github.com/micro/go-micro/client/grpc"
 	gsrv "github.com/micro/go-micro/server/grpc"
+	memStore "github.com/micro/go-micro/store/memory"
 )
 
 func init() {
@@ -14,4 +16,6 @@ func init() {
 	client.DefaultClient = gcli.NewClient()
 	// default server
 	server.DefaultServer = gsrv.NewServer()
+	// default store
+	store.DefaultStore = memStore.NewStore()
 }

store/cloudflare/cloudflare.go

@@ -332,6 +332,10 @@ func (w *workersKV) request(ctx context.Context, method, path string, body inter
 	return respBody, resp.Header, resp.StatusCode, nil
 }
 
+func (w *workersKV) String() string {
+	return "cloudflare"
+}
+
 // New returns a cloudflare Store implementation.
 // Account ID, Token and Namespace must either be passed as options or
 // environment variables. If set as env vars we expect the following;

store/cockroach/cockroach.go

@@ -239,6 +239,10 @@ func (s *sqlStore) configure() error {
 	return s.initDB()
 }
 
+func (s *sqlStore) String() string {
+	return "cockroach"
+}
+
 // New returns a new micro Store backed by sql
 func NewStore(opts ...store.Option) store.Store {
 	var options store.Options
@@ -248,6 +252,8 @@ func NewStore(opts ...store.Option) store.Store {
 
 	// new store
 	s := new(sqlStore)
+	// set the options
+	s.options = options
 
 	// configure the store
 	if err := s.configure(); err != nil {

store/memory/memory.go

@@ -130,6 +130,10 @@ func (m *memoryStore) Delete(key string) error {
 	return nil
 }
 
+func (m *memoryStore) String() string {
+	return "memory"
+}
+
 // NewStore returns a new store.Store
 func NewStore(opts ...store.Option) store.Store {
 	var options store.Options

store/service/service.go

@@ -137,6 +137,10 @@ func (s *serviceStore) Delete(key string) error {
 	return err
 }
 
+func (s *serviceStore) String() string {
+	return "service"
+}
+
 // NewStore returns a new store service implementation
 func NewStore(opts ...store.Option) store.Store {
 	var options store.Options

store/store.go

@@ -25,6 +25,8 @@ type Store interface {
 	Write(*Record) error
 	// Delete records with keys
 	Delete(key string) error
+	// Name of the store
+	String() string
 }
 
 // Record represents a data record
@@ -62,3 +64,7 @@ func (n *noop) Write(rec *Record) error {
 func (n *noop) Delete(key string) error {
 	return nil
 }
+
+func (n *noop) String() string {
+	return "noop"
+}