func (creator interfaceConfigurationCreator) createMultipleInterfaceConfigurations(networks boshsettings.Networks, interfacesByMAC map[string]string) ([]StaticInterfaceConfiguration, []DHCPInterfaceConfiguration, error) {
if len(interfacesByMAC) < len(networks) {
return nil, nil, bosherr.Errorf("Number of network settings '%d' is greater than the number of network devices '%d'", len(networks), len(interfacesByMAC))
}
for name := range networks {
if mac := networks[name].Mac; mac != "" {
if _, ok := interfacesByMAC[mac]; !ok {
return nil, nil, bosherr.Errorf("No device found for network '%s' with MAC address '%s'", name, mac)
}
}
}
// Configure interfaces with network settings matching MAC address.
// If we cannot find a network setting with a matching MAC address, configure that interface as DHCP
var networkSettings boshsettings.Network
var err error
staticConfigs := []StaticInterfaceConfiguration{}
dhcpConfigs := []DHCPInterfaceConfiguration{}
for mac, ifaceName := range interfacesByMAC {
networkSettings, _ = networks.NetworkForMac(mac)
staticConfigs, dhcpConfigs, err = creator.createInterfaceConfiguration(staticConfigs, dhcpConfigs, ifaceName, networkSettings)
if err != nil {
return nil, nil, bosherr.WrapError(err, "Creating interface configuration")
}
}
return staticConfigs, dhcpConfigs, nil
}
