Initialise the command stuff

selector/blacklist/black_list_selector.go

@@ -5,6 +5,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/micro/go-micro/cmd"
 	"github.com/micro/go-micro/registry"
 	"github.com/micro/go-micro/selector"
 )
@@ -26,6 +27,7 @@ type blackListSelector struct {
 }
 
 func init() {
+	cmd.Selectors["blacklist"] = NewSelector
 	rand.Seed(time.Now().Unix())
 }
 

selector/random/random.go

@@ -1,6 +1,13 @@
 package random
 
-import "github.com/micro/go-micro/selector"
+import (
+	"github.com/micro/go-micro/cmd"
+	"github.com/micro/go-micro/selector"
+)
+
+func init() {
+	cmd.Selectors["random"] = NewSelector
+}
 
 func NewSelector(opts ...selector.Option) selector.Selector {
 	return selector.NewSelector(opts...)

selector/roundrobin/round_robin_selector.go

@@ -3,6 +3,7 @@ package roundrobin
 import (
 	"sync"
 
+	"github.com/micro/go-micro/cmd"
 	"github.com/micro/go-micro/registry"
 	"github.com/micro/go-micro/selector"
 )
@@ -11,6 +12,10 @@ type roundRobinSelector struct {
 	so selector.Options
 }
 
+func init() {
+	cmd.Selectors["roundrobin"] = NewSelector
+}
+
 func (r *roundRobinSelector) Select(service string, opts ...selector.SelectOption) (selector.Next, error) {
 	var sopts selector.SelectOptions
 	for _, opt := range opts {
@@ -68,7 +73,7 @@ func (r *roundRobinSelector) Close() error {
 	return nil
 }
 
-func NewRoundRobinSelector(opts ...selector.Option) selector.Selector {
+func NewSelector(opts ...selector.Option) selector.Selector {
 	var sopts selector.Options
 
 	for _, opt := range opts {