fix: bind env correctly

Author: adityachoudhari26

cmd/ctrlc/ctrlc.go

@@ -31,6 +31,8 @@ func init() {
 	cmd.PersistentFlags().String("workspace", "", "Ctrlplane Workspace ID")
 	viper.BindPFlag("workspace", cmd.PersistentFlags().Lookup("workspace"))
 	viper.BindEnv("workspace", "CTRLPLANE_WORKSPACE")
+
+	viper.BindEnv("cluster-identifier", "CTRLPLANE_CLUSTER_IDENTIFIER")
 }
 
 func main() {

cmd/ctrlc/root/sync/kubernetes/vcluster.go

@@ -115,11 +115,11 @@ func NewSyncVclusterCmd() *cobra.Command {
 			workspaceId := viper.GetString("workspace")
 
 			if clusterIdentifier == "" {
-				clusterIdentifier = viper.GetString("cluster_identifier")
+				clusterIdentifier = viper.GetString("cluster-identifier")
 			}
 
 			if clusterIdentifier == "" {
-				return fmt.Errorf("cluster identifier is required, please set the CLUSTER_IDENTIFIER environment variable or use the --cluster-identifier flag")
+				return fmt.Errorf("cluster identifier is required, please set the CTRLPLANE_CLUSTER_IDENTIFIER environment variable or use the --cluster-identifier flag")
 			}
 
 			ctrlplaneClient, err := api.NewAPIKeyClientWithResponses(apiURL, apiKey)