MINOR: consul: add support for from field for created backends

Author: rmaticevic

discovery/aws_service_discovery_instance.go

@@ -61,6 +61,10 @@ func (a awsService) GetName() string {
 	return a.name
 }
 
+func (a awsService) GetFrom() string {
+	return ""
+}
+
 func (a awsService) GetBackendName() string {
 	return fmt.Sprintf("aws-%s-%s-%s", a.region, a.instanceName, a.GetName())
 }

discovery/consul_service_discovery_instance.go

@@ -42,6 +42,10 @@ func (c *consulService) GetName() string {
 	return c.name
 }
 
+func (c *consulService) GetFrom() string {
+	return c.params.Defaults
+}
+
 func (c *consulService) GetBackendName() string {
 	return fmt.Sprintf("consul-backend-%s-%d-%s", *c.params.Address, *c.params.Port, c.name)
 }

discovery/service_discovery_instance.go

@@ -32,6 +32,7 @@ var mutex = &sync.Mutex{}
 type ServiceInstance interface {
 	GetName() string
 	GetBackendName() string
+	GetFrom() string
 	Changed() bool
 	GetServers() []configuration.ServiceServer
 }
@@ -183,7 +184,7 @@ func (s *ServiceDiscoveryInstance) initService(service ServiceInstance) (bool, e
 	if err != nil {
 		return false, err
 	}
-	reload, err := se.Init(s.transactionID)
+	reload, err := se.Init(s.transactionID, service.GetFrom())
 	if err != nil {
 		return false, err
 	}