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// Copyright 2024 WIT.COM Inc Licensed GPL 3.0
package main
import (
"errors"
"fmt"
"go.wit.com/log"
"libvirt.org/go/libvirtxml"
pb "go.wit.com/lib/protobuf/virtbuf"
)
func addDomainDroplet(domcfg *libvirtxml.Domain) (*DropletT, error) {
if domcfg == nil {
return nil, errors.New("domcfg == nil")
}
d, _ := findDomain(domcfg)
if d != nil {
return d, errors.New(d.pb.Hostname + " droplet exists. need to update instead")
}
log.Info("ADD FAILED", domcfg.Name, domcfg.UUID)
return nil, errors.New("not found")
}
func findDomain(domcfg *libvirtxml.Domain) (*DropletT, error) {
var found *DropletT
if domcfg == nil {
return nil, errors.New("domcfg == nil")
}
for _, d := range me.droplets {
if d.pb.Hostname == domcfg.Name {
if d.pb.Uuid != domcfg.UUID {
fmt.Println("CHANGED UUID", d.pb.Uuid, domcfg.UUID)
d.pb.Uuid = domcfg.UUID
me.changed = true
}
if found == nil {
found = d
} else {
fmt.Println("FOUND TWICE", d.pb.Uuid, domcfg.Name, domcfg.UUID)
return d, errors.New("Found Twice")
}
}
if d.pb.Uuid == domcfg.UUID {
if d.pb.Hostname != domcfg.Name {
fmt.Println("FOUND UUID WITH MIS-MATCHED NAME", domcfg.Name, domcfg.UUID)
return d, errors.New("UUID with mis-matched names")
}
}
}
return found, nil
}
func updateDroplet(d *DropletT, domcfg *libvirtxml.Domain) bool {
var ok bool = true
if d == nil {
return false
}
if domcfg == nil {
return false
}
if ! updateMemory(d, domcfg) {
log.Info("updateMemory() failed")
ok = false
}
// check cpus
if d.pb.Cpus != int64(domcfg.VCPU.Value) {
fmt.Printf("cpus changed. VCPU = %+v\n", domcfg.VCPU)
d.pb.Cpus = int64(domcfg.VCPU.Value)
me.changed = true
}
// check type
if domcfg.Type != "kvm" {
fmt.Printf("not kvm. Virt type == %s\n", domcfg.Type)
ok = false
}
if ! updateNetwork(d, domcfg) {
log.Info("updateNetwork() failed")
ok = false
}
return ok
}
// returns false if something went wrong
func updateMemory(d *DropletT, domcfg *libvirtxml.Domain) bool {
if (d == nil) || (domcfg == nil) {
return false
}
// check memory
if domcfg.Memory.Unit == "KiB" {
var m int64
m = int64(domcfg.Memory.Value * 1024)
if d.pb.Memory != m {
d.pb.Memory = m
me.changed = true
fmt.Printf("Memory changed %d, %d %s\n", d.pb.Memory, domcfg.Memory.Value, domcfg.Memory.Unit)
}
return true
}
fmt.Println("Unknown Memory Unit", domcfg.Memory.Unit)
return false
}
// returns false if something went wrong
func updateNetwork(d *DropletT, domcfg *libvirtxml.Domain) bool {
if (d == nil) || (domcfg == nil) {
return false
}
var macs []string
// Iterate over the network interfaces and print the MAC addresses
for _, iface := range domcfg.Devices.Interfaces {
if iface.MAC != nil {
// iface.MAC.Address = "aa:bb:aa:bb:aa:ff"
// fmt.Printf("MAC Address: %+v\n", iface.MAC)
// log.Info("Interface:", iface.Target, "MAC Address:", iface.MAC.Address)
// fmt.Printf("source: %+v\n", iface.Source)
macs = append(macs, iface.MAC.Address)
} else {
fmt.Printf("Interface: %s, MAC Address: not available\n", iface.Target.Dev)
}
}
for _, mac := range macs {
var found bool = false
for i, eth := range d.pb.Networks {
if eth.Mac == mac {
log.Info("OKAY. FOUND ETH:", i, eth.Mac, eth.Name)
found = true
}
}
if !found {
var eth *pb.Network
eth = new(pb.Network)
eth.Mac = mac
eth.Name = "worldbr"
d.pb.Networks = append(d.pb.Networks, eth)
me.changed = true
}
}
log.Info("mac addrs:", macs)
return true
}
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