NET-1440: scale test changes (#3014)

* NET-1440 scale test changes

* fix UT error and add error info

* load metric data into cacha in startup

* remove debug info for metric

* add server telemetry and hasSuperAdmin to cache

* fix user UT case

* update sqlite connection string for performance

* update check-in TS in cache only if cache enabled

* update metric data in cache only if cache enabled and write to DB once in stop

* update server status in mq topic

* add failover existed to server status update

* only send mq messsage when there is server status change

* batch peerUpdate

* code changes for scale for review

* update UT case

* update mq client check

* mq connection code change

* revert server status update changes

* revert batch peerUpdate

* remove server status update info

* code changes based on review and setupmqtt in keepalive

* set the mq message order to false for PIN

* remove setupmqtt in keepalive

* recycle ip in node deletion

* update ip allocation logic

* remove ip addr cap

* remove ippool file

* update get extClient func

* remove ip from cache map when extClient is removed

logic/auth.go

@@ -20,9 +20,21 @@ const (
 	auth_key = "netmaker_auth"
 )
 
+var (
+	superUser = models.User{}
+)
+
+func ClearSuperUserCache() {
+	superUser = models.User{}
+}
+
 // HasSuperAdmin - checks if server has an superadmin/owner
 func HasSuperAdmin() (bool, error) {
 
+	if superUser.IsSuperAdmin {
+		return true, nil
+	}
+
 	collection, err := database.FetchRecords(database.USERS_TABLE_NAME)
 	if err != nil {
 		if database.IsEmptyRecord(err) {
@@ -38,6 +50,7 @@ func HasSuperAdmin() (bool, error) {
 			continue
 		}
 		if user.IsSuperAdmin {
+			superUser = user
 			return true, nil
 		}
 	}
@@ -116,7 +129,7 @@ func CreateUser(user *models.User) error {
 
 	tokenString, _ := CreateUserJWT(user.UserName, user.IsSuperAdmin, user.IsAdmin)
 	if tokenString == "" {
-		logger.Log(0, "failed to generate token", err.Error())
+		logger.Log(0, "failed to generate token")
 		return err
 	}
 
@@ -204,6 +217,9 @@ func UpsertUser(user models.User) error {
 		slog.Error("error inserting user", "user", user.UserName, "error", err.Error())
 		return err
 	}
+	if user.IsSuperAdmin {
+		superUser = user
+	}
 	return nil
 }