Restructure go-micro layout and plugins

registry/kubernetes/watcher.go

@@ -0,0 +1,72 @@
+package kubernetes
+
+import (
+	"fmt"
+	"net"
+	"time"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/proxy/config"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
+)
+
+type watcher struct {
+	registry *kregistry
+}
+
+func (k *watcher) OnUpdate(services []api.Service) {
+	fmt.Println("got update")
+	activeServices := util.StringSet{}
+	for _, svc := range services {
+		fmt.Printf("%#v\n", svc.ObjectMeta)
+		name, exists := svc.ObjectMeta.Labels["name"]
+		if !exists {
+			continue
+		}
+
+		activeServices.Insert(name)
+		serviceIP := net.ParseIP(svc.Spec.PortalIP)
+
+		ks := &service{
+			name: name,
+			nodes: []*node{
+				&node{
+					address: serviceIP.String(),
+					port:    svc.Spec.Ports[0].Port,
+				},
+			},
+		}
+
+		k.registry.mtx.Lock()
+		k.registry.services[name] = ks
+		k.registry.mtx.Unlock()
+	}
+
+	k.registry.mtx.Lock()
+	defer k.registry.mtx.Unlock()
+	for name, _ := range k.registry.services {
+		if !activeServices.Has(name) {
+			delete(k.registry.services, name)
+		}
+	}
+}
+
+func newWatcher(kr *kregistry) *watcher {
+	serviceConfig := config.NewServiceConfig()
+	endpointsConfig := config.NewEndpointsConfig()
+
+	config.NewSourceAPI(
+		kr.client.Services(api.NamespaceAll),
+		kr.client.Endpoints(api.NamespaceAll),
+		time.Second*10,
+		serviceConfig.Channel("api"),
+		endpointsConfig.Channel("api"),
+	)
+
+	ks := &watcher{
+		registry: kr,
+	}
+
+	serviceConfig.RegisterHandler(ks)
+	return ks
+}