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// Copyright 2024 WIT.COM Inc Licensed GPL 3.0
package main
import (
"fmt"
"os"
"go.wit.com/log"
"libvirt.org/go/libvirtxml"
)
func makeStandardXml(d *DropletT) {
log.Info("create new xml file for:", d.Hostname)
domcfg := &libvirtxml.Domain{}
addDefaults(domcfg, "standard.x86")
addDefaults(domcfg, "memory")
addDefaults(domcfg, "network")
addDefaults(domcfg, "spice")
addDefaults(domcfg, "qcow")
addDefaults(domcfg, d.Hostname)
fmt.Printf("Virt type %s\n", domcfg.Type)
fmt.Printf("Virt name %s\n", domcfg.Name)
fmt.Printf("Virt UUID %s\n", domcfg.UUID)
fmt.Printf("Virt Memory %s\n", domcfg.Memory)
qcow := "/home/nfs2/" + d.Hostname + ".qcow2"
simpleDisk(domcfg, qcow)
// setMacs(domcfg, "33:44:33:11:22:11", "worldbr")
randomMacs(domcfg)
xmldoc, err := domcfg.Marshal()
if err != nil {
fmt.Println("can't make xml file error:\n", err)
return
}
outfile := "/tmp/" + d.Hostname + ".xml"
regfile, _ := os.OpenFile(outfile, os.O_RDWR|os.O_CREATE, 0666)
fmt.Fprintln(regfile, xmldoc)
log.Info("File is in", outfile)
}
func setDiskFilename(domcfg *libvirtxml.Domain, filename string) {
for i, x := range domcfg.Devices.Disks {
// Create a new DomainDiskSourceFile struct
newSource := &libvirtxml.DomainDiskSourceFile{
File: filename, // Set the file name here
}
// Assign it to the disk's source
domcfg.Devices.Disks[i].Source.File = newSource
// fmt.Printf("Disk Source %s\n", name)
fmt.Printf("Disk Device %s\n", x.Source.File)
}
}
func addDefaults(d *libvirtxml.Domain, filename string) {
fullname := "resources/xml/" + filename + ".xml"
pfile, err := resources.ReadFile(fullname)
if err != nil {
log.Println("ERROR:", err)
return
}
err = d.Unmarshal(string(pfile))
if err != nil {
log.Info("Marshal failed on file", filename)
return
}
}
func simpleDisk(domcfg *libvirtxml.Domain, filename string) {
// Clear out the existing disks (if any)
domcfg.Devices.Disks = nil
// Define a new disk with "mynew.qcow2"
newDisk := libvirtxml.DomainDisk{
Device: "disk",
Driver: &libvirtxml.DomainDiskDriver{
Name: "qemu",
Type: "qcow2",
},
Source: &libvirtxml.DomainDiskSource{
File: &libvirtxml.DomainDiskSourceFile{
File: filename,
},
},
Target: &libvirtxml.DomainDiskTarget{
Dev: "vda",
Bus: "virtio",
},
}
// Add the new disk to the domain configuration
domcfg.Devices.Disks = append(domcfg.Devices.Disks, newDisk)
}
func showMacs(domcfg *libvirtxml.Domain) []string {
var macs []string
// Iterate over the network interfaces and print the MAC addresses
for _, iface := range domcfg.Devices.Interfaces {
if iface.MAC != nil {
fmt.Printf("Interface: %s, MAC Address: %s\n", iface.Target.Dev, iface.MAC.Address)
macs = append(macs, iface.MAC.Address)
} else {
fmt.Printf("Interface: %s, MAC Address: not available\n", iface.Target.Dev)
}
}
return macs
}
func setMacs(domcfg *libvirtxml.Domain, mac string, brname string) {
// Clear out the existing disks (if any)
domcfg.Devices.Interfaces = nil
// Define a new disk with "mynew.qcow2"
newNet := libvirtxml.DomainInterface{
MAC: &libvirtxml.DomainInterfaceMAC{
Address: mac,
},
Target: &libvirtxml.DomainInterfaceTarget{
Dev: brname,
},
}
// Add the new disk to the domain configuration
domcfg.Devices.Interfaces = append(domcfg.Devices.Interfaces, newNet)
}
func randomMacs(domcfg *libvirtxml.Domain) {
for i, x := range domcfg.Devices.Interfaces {
// Create a new DomainDiskInterfaces struct
newMac := &libvirtxml.DomainInterfaceMAC{
Address: "aa:bb:cc:dd:ee:ff", // make sure this is unique
}
// Assign it to the disk's source
domcfg.Devices.Interfaces[i].MAC = newMac
// fmt.Printf("Disk Source %s\n", name)
fmt.Printf("mac addr %s\n", x.MAC)
}
}
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