VOL-1723 - add readiness probe capability to rw-core

Change-Id: I1cf42e88712586f140a2dfa9d0b638b48261caac
diff --git a/rw_core/core/adapter_manager.go b/rw_core/core/adapter_manager.go
index 0ce1828..188ae3d 100644
--- a/rw_core/core/adapter_manager.go
+++ b/rw_core/core/adapter_manager.go
@@ -21,6 +21,7 @@
 	"fmt"
 	"github.com/gogo/protobuf/proto"
 	"github.com/opencord/voltha-go/common/log"
+	"github.com/opencord/voltha-go/common/probe"
 	"github.com/opencord/voltha-go/db/model"
 	"github.com/opencord/voltha-protos/go/voltha"
 	"reflect"
@@ -127,13 +128,14 @@
 	// Register the callbacks
 	aMgr.adapterProxy.RegisterCallback(model.POST_UPDATE, aMgr.adapterUpdated)
 	aMgr.deviceTypeProxy.RegisterCallback(model.POST_UPDATE, aMgr.deviceTypesUpdated)
-
+	probe.UpdateStatusFromContext(ctx, "adapter-manager", probe.ServiceStatusRunning)
 	log.Info("adapter-manager-started")
 }
 
 func (aMgr *AdapterManager) stop(ctx context.Context) {
 	log.Info("stopping-device-manager")
 	aMgr.exitChannel <- 1
+	probe.UpdateStatusFromContext(ctx, "adapter-manager", probe.ServiceStatusStopped)
 	log.Info("device-manager-stopped")
 }