Add grpc retry (#1160)

* Add grpc retry

* Update grpc retry

* Add tests

* Fix a bug

* Add api && some tests

* Add comment

* Add double check

* Add server retry quota

* Update optimize code

* Fix bug

* Update optimize code

* Update optimize code

* Fix bug

core/retry/retryinterceptor_test.go

@@ -0,0 +1,25 @@
+package retry
+
+import (
+	"context"
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"testing"
+)
+
+func TestDo(t *testing.T) {
+	n := 4
+	for i := 0; i < n; i++ {
+		count := 0
+		err := Do(context.Background(), func(ctx context.Context, opts ...grpc.CallOption) error {
+			count++
+			return status.Error(codes.ResourceExhausted, "ResourceExhausted")
+
+		}, WithMax(i))
+		assert.Error(t, err)
+		assert.Equal(t, i+1, count)
+	}
+
+}