add config option to enable or disable TLS for nats

services/audit/pkg/command/server.go

@@ -41,23 +41,26 @@ func Server(cfg *config.Config) *cli.Command {
 
 			evtsCfg := cfg.Events
 
-			var rootCAPool *x509.CertPool
-			if evtsCfg.TLSRootCACertificate != "" {
-				rootCrtFile, err := os.Open(evtsCfg.TLSRootCACertificate)
-				if err != nil {
-					return err
+			var tlsConf *tls.Config
+			if evtsCfg.EnableTLS {
+				var rootCAPool *x509.CertPool
+				if evtsCfg.TLSRootCACertificate != "" {
+					rootCrtFile, err := os.Open(evtsCfg.TLSRootCACertificate)
+					if err != nil {
+						return err
+					}
+
+					rootCAPool, err = ociscrypto.NewCertPoolFromPEM(rootCrtFile)
+					if err != nil {
+						return err
+					}
+					evtsCfg.TLSInsecure = false
 				}
 
-				rootCAPool, err = ociscrypto.NewCertPoolFromPEM(rootCrtFile)
-				if err != nil {
-					return err
+				tlsConf = &tls.Config{
+					InsecureSkipVerify: evtsCfg.TLSInsecure, //nolint:gosec
+					RootCAs:            rootCAPool,
 				}
-				evtsCfg.TLSInsecure = false
-			}
-
-			tlsConf := &tls.Config{
-				InsecureSkipVerify: evtsCfg.TLSInsecure, //nolint:gosec
-				RootCAs:            rootCAPool,
 			}
 			client, err := server.NewNatsStream(
 				natsjs.TLSConfig(tlsConf),

services/audit/pkg/config/config.go

@@ -28,6 +28,7 @@ type Events struct {
 	ConsumerGroup        string `yaml:"group" env:"AUDIT_EVENTS_GROUP" desc:"The consumergroup of the service. One group will only get one copy of an event."`
 	TLSInsecure          bool   `yaml:"tls_insecure" env:"OCIS_INSECURE;AUDIT_EVENTS_TLS_INSECURE" desc:"Whether to verify the server TLS certificates."`
 	TLSRootCACertificate string `yaml:"tls_root_ca_certificate" env:"AUDIT_EVENTS_TLS_ROOT_CA_CERTIFICATE" desc:"The root CA certificate used to validate the server's TLS certificate. If provided AUDIT_EVENTS_TLS_INSECURE will be seen as false."`
+	EnableTLS            bool   `yaml:"enable_tls" env:"OCIS_EVENTS_ENABLE_TLS;AUDIT_EVENTS_ENABLE_TLS" desc:"Enable TLS for the connection to the events broker."`
 }
 
 // Auditlog holds audit log information

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

@@ -25,6 +25,7 @@ func DefaultConfig() *config.Config {
 			Endpoint:      "127.0.0.1:9233",
 			Cluster:       "ocis-cluster",
 			ConsumerGroup: "audit",
+			EnableTLS:     false,
 		},
 		Auditlog: config.Auditlog{
 			LogToConsole: true,