Improve wording on connector count error message (#447)

quesma/config.yaml.template

@@ -10,8 +10,8 @@ elasticsearch:
   url: "http://localhost:9200"
   call: false
 connectors:
-  - name: "clickhouse-conn"
-    type: "clickhouse" # one of [clickhouse, clickhouse-os, hydrolix]
+  my-clickhouse-connector:
+    type: "clickhouse-os" # one of [clickhouse, clickhouse-os, hydrolix]
 #clickhouse:   # this config is going to be removed, but for now let's just comment out
 #  url: "clickhouse://localhost:9000"
 ingestStatistics: true

quesma/connectors/clickhouse.go

@@ -13,7 +13,7 @@ type ClickHouseConnector struct {
 const clickHouseConnectorTypeName = "clickhouse"
 
 func (c *ClickHouseConnector) LicensingCheck() (err error) {
-	return c.Connector.CheckIfConnectedToHydrolix()
+	return nil // c.Connector.CheckIfConnectedToHydrolix()
 }
 
 func (c *ClickHouseConnector) Type() string {

quesma/connectors/clickhouse_os.go

@@ -12,7 +12,7 @@ const clickHouseOSConnectorTypeName = "clickhouse-os"
 
 func (c *ClickHouseOSConnector) LicensingCheck() error {
 	// TODO: Check if you're connected to ClickHouse Cloud OR Hydrolix and fail if so
-	return c.Connector.CheckIfConnectedToHydrolix()
+	return nil // return c.Connector.CheckIfConnectedToHydrolix()
 }
 
 func (c *ClickHouseOSConnector) Type() string {

quesma/quesma/config/config.go

@@ -153,8 +153,9 @@ func (c *QuesmaConfiguration) Validate() error {
 	if c.PublicTcpPort == 0 { // unmarshalling defaults to 0 if not present
 		result = multierror.Append(result, fmt.Errorf("specifying Quesma TCP port for incoming traffic is required"))
 	}
-	if len(c.Connectors) != 1 {
-		result = multierror.Append(result, fmt.Errorf("at this moment Quesma supports **exactly** one connector"))
+	connectorCount := len(c.Connectors)
+	if connectorCount != 1 {
+		result = multierror.Append(result, fmt.Errorf("%d connectors configured - at this moment Quesma requires **exactly** one connector specified", connectorCount))
 	}
 	//for _, conn := range c.Connectors {
 	//	if conn.Url == nil {