// 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) // domcfg.Memory = 3333 fmt.Printf("Virt Devices %s\n", domcfg.Devices.Disks) // log.Spew(domcfg.Devices) // fmt.Printf("Virt Devices %s\n", domcfg.DiskDriver) log.Info("DISKS") log.Info("DISKS") log.Info("") // structure DomainDeviceList shows what can be done as a range for i, x := range domcfg.Devices.Disks { // Create a new DomainDiskSourceFile struct newSource := &libvirtxml.DomainDiskSourceFile{ File: "mynew.qcow2", // 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) } xmldoc, err := domcfg.Marshal() if err != nil { fmt.Println("can't make xml file error:\n", err) return } // fmt.Printf("Virt type %s\n", xmldoc) 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 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) }