add in config variable for redis sessions

src/main/config.go

@@ -22,8 +22,9 @@ type StyleConfig struct {
 }
 
 type WebserverConfig struct {
-	Port    int    `json:"port"`
-	BaseURL string `json:"base_url"`
+	Port         int    `json:"port"`
+	BaseURL      string `json:"base_url"`
+	SessionStore string `json:"session_store"`
 }
 
 type EmailConfig struct {

src/main/main.go

@@ -221,8 +221,6 @@ func changePasswordHandler(w http.ResponseWriter, r *http.Request) {
 
 func main() {
 	logging.Info("Starting the server")
-	sessionManager = session.GetSessionManager()
-	sessionManager.SetStoreType(session.Redis)
 
 	var err error
 	serverConfig, err = loadServerConfig("./data/config.json")
@@ -230,6 +228,16 @@ func main() {
 		log.Fatal("Could not load server config")
 	}
 
+	sessionManager = session.GetSessionManager()
+	if serverConfig.WebserverConfig.SessionStore == "in_memory" {
+		sessionManager.SetStoreType(session.InMemory)
+	} else if serverConfig.WebserverConfig.SessionStore == "redis" {
+		sessionManager.SetStoreType(session.Redis)
+	} else {
+		logging.Warnf("'%s' is an unknown session store type defaulting to in memory", serverConfig.WebserverConfig.SessionStore)
+		sessionManager.SetStoreType(session.InMemory)
+	}
+
 	noReplyEmail = email.CreateEmailAccount(email.EmailAccountData{
 		Username: serverConfig.EmailConfig.Username,
 		Password: serverConfig.EmailConfig.Password,