add migration for new port leasing system

pkg/workers/migrate/migrate.go

@@ -1,6 +1,9 @@
 package migrator
 
 import (
+	"errors"
+	vmModels "go-deploy/models/sys/vm"
+	vmPortModels "go-deploy/models/sys/vmPort"
 	"log"
 )
 
@@ -33,5 +36,37 @@ func Migrate() {
 //
 // add a date to the migration name to make it easier to identify.
 func getMigrations() map[string]func() error {
-	return map[string]func() error{}
+	return map[string]func() error{
+		"leaseVmPortsFromOldSystem_2023_10_30": leaseVmPortsFromOldSystem,
+	}
+}
+
+func leaseVmPortsFromOldSystem() error {
+	vms, err := vmModels.New().List()
+	if err != nil {
+		return err
+	}
+
+	for _, vm := range vms {
+		for _, pfr := range vm.Subsystems.CS.PortForwardingRuleMap {
+			vmPort, err := vmPortModels.New().GetByLease(vm.ID, pfr.PrivatePort)
+			if err != nil {
+				return err
+			}
+
+			if vmPort == nil {
+
+				_, err = vmPortModels.New().Lease(pfr.PublicPort, pfr.PrivatePort, vm.ID, vm.Zone)
+				if err != nil {
+					if errors.Is(err, vmPortModels.PortNotFoundErr) {
+						return err
+					}
+
+					return err
+				}
+			}
+		}
+	}
+
+	return nil
 }