virtigo/start.go

91 lines
2.1 KiB
Go

// Copyright 2024 WIT.COM Inc Licensed GPL 3.0
package main
import (
"fmt"
"os"
"path/filepath"
"go.wit.com/log"
"libvirt.org/go/libvirtxml"
)
// generate the XML for 'virsh create'
func startDropletXml(start string) {
meDrop := findDroplet(start)
d := meDrop.pb
if d == nil {
log.Info("droplet is unknown:", start)
os.Exit(0)
}
log.Info("start droplet here:", d.Hostname)
domcfg := &libvirtxml.Domain{}
addDefaultXml(domcfg, "standard.x86")
// addDefaultXml(domcfg, "memory")
// addDefaultXml(domcfg, "network")
addDefaultXml(domcfg, "spice")
addDefaultXml(domcfg, "qcow")
domcfg.Type = "kvm"
domcfg.Name = d.Hostname
domcfg.UUID = d.Uuid
var i uint
i = uint(d.Memory / (1024 * 1024))
// var tmp string
// tmp = domcfg.VCPU
domcfg.VCPU = new(libvirtxml.DomainVCPU)
domcfg.VCPU.Value = uint(d.Cpus)
domcfg.Memory = new(libvirtxml.DomainMemory)
domcfg.Memory.Value = i
domcfg.Memory.Unit = "MiB"
fmt.Printf("Virt Memory %d %s\n", domcfg.Memory.Value, domcfg.Memory.Unit)
// addEthernet(domcfg, "04:44:33:11:22:11", "worldbr")
// addEthernet(domcfg, "04:44:33:33:44:55", "greenbr")
for _, n := range d.Networks {
log.Info("add network", d.Hostname, "mac addr", n.Mac, "interface", n.Name)
}
// add a check here to make these unique
// setRandomMacs(domcfg)
for _, disk := range d.Disks {
fullname := findDisk(disk.Filename)
if fullname == "" {
log.Info("can not find disk", d.Hostname, "dir", disk.Filepath, "filename", disk.Filename)
} else {
// qcow := "/home/nfs/" + d.Hostname + ".qcow2"
setSimpleDisk(domcfg, fullname)
}
}
writeoutXml(domcfg, d.Hostname)
os.Exit(-1)
}
func findDisk(filename string) string {
for _, dirname := range me.cluster.Dirs {
// log.Info("look in dir", dirname)
var count int
newdir, _ := os.ReadDir(dirname)
for _, file := range newdir {
count += 1
if file.Name() == filename {
log.Info("Found file", filename, "in", dirname)
return filepath.Join(dirname, file.Name())
}
}
if count == 0 {
log.Info("Warning? dirname", dirname, "was empty. Not mounted?")
}
}
return ""
}