add config option to enable or disable TLS for nats

services/graph/pkg/config/config.go

@@ -74,4 +74,5 @@ type Events struct {
 	Cluster              string `yaml:"cluster" env:"GRAPH_EVENTS_CLUSTER" desc:"The clusterID of the event system. The event system is the message queuing service. It is used as message broker for the microservice architecture."`
 	TLSInsecure          bool   `yaml:"tls_insecure" env:"OCIS_INSECURE;GRAPH_EVENTS_TLS_INSECURE" desc:"Whether to verify the server TLS certificates."`
 	TLSRootCACertificate string `yaml:"tls_root_ca_certificate" env:"GRAPH_EVENTS_TLS_ROOT_CA_CERTIFICATE" desc:"The root CA certificate used to validate the server's TLS certificate. If provided GRAPH_EVENTS_TLS_INSECURE will be seen as false."`
+	EnableTLS            bool   `yaml:"enable_tls" env:"OCIS_EVENTS_ENABLE_TLS;GRAPH_EVENTS_ENABLE_TLS" desc:"Enable TLS for the connection to the events broker."`
 }

services/graph/pkg/config/defaults/defaultconfig.go

@@ -66,8 +66,9 @@ func DefaultConfig() *config.Config {
 			},
 		},
 		Events: config.Events{
-			Endpoint: "127.0.0.1:9233",
-			Cluster:  "ocis-cluster",
+			Endpoint:  "127.0.0.1:9233",
+			Cluster:   "ocis-cluster",
+			EnableTLS: false,
 		},
 	}
 }