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virtigo
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simple ethernet mac settings 

Signed-off-by: Jeff Carr <jcarr@wit.com>
This commit is contained in:
Jeff Carr 2024-10-18 20:22:37 -05:00
parent 8a2502c61b
commit 70a506bc59
2 changed files with 28 additions and 7 deletions
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20
main.go
View File

@ -58,12 +58,26 @@ func main() {
fmt.Printf("Virt type %s\n", domcfg.Type) fmt.Printf("Virt type %s\n", domcfg.Type)
fmt.Printf("Virt name %s\n", domcfg.Name) fmt.Printf("Virt name %s\n", domcfg.Name)
fmt.Printf("Virt UUID %s\n", domcfg.UUID) fmt.Printf("Virt UUID %s\n", domcfg.UUID)
fmt.Printf("Virt Memory %s\n", domcfg.Memory) fmt.Printf("Virt Memory %d %s\n", domcfg.Memory.Value, domcfg.Memory.Unit)
// test add some ethernet devices
macs := getMacs(domcfg)
fmt.Printf("Virt mac addr:%s\n", macs)
// clearEthernet(domcfg)
addEthernet(domcfg, "04:44:33:11:22:11", "worldbr")
addEthernet(domcfg, "04:44:33:33:44:55", "greenbr")
// add a check here to make these unique
// setRandomMacs(domcfg)
// print out the final mac addresses
macs = getMacs(domcfg)
fmt.Printf("Virt mac addr:%s\n", macs)
qcow := "/home/nfs/" + d.Hostname + ".qcow2" qcow := "/home/nfs/" + d.Hostname + ".qcow2"
setSimpleDisk(domcfg, qcow) setSimpleDisk(domcfg, qcow)
// setMacs(domcfg, "33:44:33:11:22:11", "worldbr")
setRandomMacs(domcfg)
writeoutXml(domcfg, "blahcarr") writeoutXml(domcfg, "blahcarr")
os.Exit(0) os.Exit(0)

15
xml.go
View File

@ -97,12 +97,14 @@ func setSimpleDisk(domcfg *libvirtxml.Domain, filename string) {
domcfg.Devices.Disks = append(domcfg.Devices.Disks, newDisk) domcfg.Devices.Disks = append(domcfg.Devices.Disks, newDisk)
} }
func showMacs(domcfg *libvirtxml.Domain) []string { func getMacs(domcfg *libvirtxml.Domain) []string {
var macs []string var macs []string
// Iterate over the network interfaces and print the MAC addresses // Iterate over the network interfaces and print the MAC addresses
for _, iface := range domcfg.Devices.Interfaces { for _, iface := range domcfg.Devices.Interfaces {
if iface.MAC != nil { if iface.MAC != nil {
fmt.Printf("Interface: %s, MAC Address: %s\n", iface.Target.Dev, iface.MAC.Address) // iface.MAC.Address = "aa:bb:aa:bb:aa:ff"
fmt.Printf("MAC Address: %+v\n", iface.MAC)
// fmt.Printf("Interface: %s, MAC Address: %s\n", iface.Target.Dev, iface.MAC.Address)
macs = append(macs, iface.MAC.Address) macs = append(macs, iface.MAC.Address)
} else { } else {
fmt.Printf("Interface: %s, MAC Address: not available\n", iface.Target.Dev) fmt.Printf("Interface: %s, MAC Address: not available\n", iface.Target.Dev)
@ -111,10 +113,14 @@ func showMacs(domcfg *libvirtxml.Domain) []string {
return macs return macs
} }
func setMacs(domcfg *libvirtxml.Domain, mac string, brname string) { // removes all the ethernet interfaces
func clearEthernet(domcfg *libvirtxml.Domain) {
// Clear out the existing disks (if any) // Clear out the existing disks (if any)
domcfg.Devices.Interfaces = nil domcfg.Devices.Interfaces = nil
}
// add a new ethernet interface with mac assigned to bridge name
func addEthernet(domcfg *libvirtxml.Domain, mac string, brname string) {
// Define a new disk with "mynew.qcow2" // Define a new disk with "mynew.qcow2"
newNet := libvirtxml.DomainInterface{ newNet := libvirtxml.DomainInterface{
MAC: &libvirtxml.DomainInterfaceMAC{ MAC: &libvirtxml.DomainInterfaceMAC{
@ -140,6 +146,7 @@ func setRandomMacs(domcfg *libvirtxml.Domain) {
domcfg.Devices.Interfaces[i].MAC = newMac domcfg.Devices.Interfaces[i].MAC = newMac
// fmt.Printf("Disk Source %s\n", name) // fmt.Printf("Disk Source %s\n", name)
fmt.Printf("mac addr %s\n", x.MAC) // fmt.Printf("mac addr %+v\n", x.MAC)
fmt.Printf("mac addr %s\n", x.MAC.Address)
} }
} }