func (i *importer) machinePortsOps(m description.Machine) []txn.Op { var result []txn.Op machineID := m.Id() for _, ports := range m.OpenedPorts() { subnetID := ports.SubnetID() doc := &portsDoc{ MachineID: machineID, SubnetID: subnetID, } for _, opened := range ports.OpenPorts() { doc.Ports = append(doc.Ports, PortRange{ UnitName: opened.UnitName(), FromPort: opened.FromPort(), ToPort: opened.ToPort(), Protocol: opened.Protocol(), }) } result = append(result, txn.Op{ C: openedPortsC, Id: portsGlobalKey(machineID, subnetID), Assert: txn.DocMissing, Insert: doc, }) } return result }