func (net centosNetManager) writeIfcfgs(networks boshsettings.Networks) ([]customNetwork, error) {
var modifiedNetworks []customNetwork
macAddresses, err := net.detectMacAddresses()
if err != nil {
return modifiedNetworks, bosherr.WrapError(err, "Detecting mac addresses")
}
for _, aNet := range networks {
var network, broadcast string
network, broadcast, err = boshsys.CalculateNetworkAndBroadcast(aNet.IP, aNet.Netmask)
if err != nil {
return modifiedNetworks, bosherr.WrapError(err, "Calculating network and broadcast")
}
newNet := customNetwork{
aNet,
macAddresses[aNet.Mac],
network,
broadcast,
true,
}
modifiedNetworks = append(modifiedNetworks, newNet)
buffer := bytes.NewBuffer([]byte{})
t := template.Must(template.New("ifcfg").Parse(centosIfcgfTemplate))
err = t.Execute(buffer, newNet)
if err != nil {
return modifiedNetworks, bosherr.WrapError(err, "Generating config from template")
}
err = net.fs.WriteFile(filepath.Join("/etc/sysconfig/network-scripts", "ifcfg-"+newNet.Interface), buffer.Bytes())
if err != nil {
return modifiedNetworks, bosherr.WrapError(err, "Writing to /etc/sysconfig/network-scripts")
}
}
return modifiedNetworks, nil
}
func (net ubuntuNetManager) writeNetworkInterfaces(networks boshsettings.Networks) ([]customNetwork, bool, error) {
var modifiedNetworks []customNetwork
macAddresses, err := net.detectMacAddresses()
if err != nil {
return modifiedNetworks, false, bosherr.WrapError(err, "Detecting mac addresses")
}
for _, aNet := range networks {
network, broadcast, err := boshsys.CalculateNetworkAndBroadcast(aNet.IP, aNet.Netmask)
if err != nil {
return modifiedNetworks, false, bosherr.WrapError(err, "Calculating network and broadcast")
}
newNet := customNetwork{
aNet,
macAddresses[aNet.Mac],
network,
broadcast,
true,
}
modifiedNetworks = append(modifiedNetworks, newNet)
}
buffer := bytes.NewBuffer([]byte{})
t := template.Must(template.New("network-interfaces").Parse(ubuntuNetworkInterfacesTemplate))
err = t.Execute(buffer, modifiedNetworks)
if err != nil {
return modifiedNetworks, false, bosherr.WrapError(err, "Generating config from template")
}
written, err := net.fs.ConvergeFileContents("/etc/network/interfaces", buffer.Bytes())
if err != nil {
return modifiedNetworks, false, bosherr.WrapError(err, "Writing to /etc/network/interfaces")
}
return modifiedNetworks, written, nil
}