1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
// 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) *libvirtxml.Domain {
log.Info("create new xml file for:", d.pb.Hostname)
domcfg := &libvirtxml.Domain{}
addDefaults(domcfg, "standard.x86")
addDefaults(domcfg, "memory")
addDefaults(domcfg, "network")
addDefaults(domcfg, "spice")
addDefaults(domcfg, "qcow")
addDefaults(domcfg, d.pb.Hostname)
return domcfg
}
func writeoutXml(domcfg *libvirtxml.Domain, filename string) bool {
xmldoc, err := domcfg.Marshal()
if err != nil {
fmt.Println("can't make xml file error:\n", err)
return false
}
outfile := "/tmp/" + filename + ".xml"
regfile, _ := os.OpenFile(outfile, os.O_RDWR|os.O_CREATE, 0666)
fmt.Fprintln(regfile, xmldoc)
log.Info("File is in", outfile)
regfile.Close()
return true
}
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 readXml(filename string) (*libvirtxml.Domain, error) {
log.Info("parse xml file:", filename)
pfile, err := os.ReadFile(filename)
if err != nil {
log.Println("ERROR:", err)
return nil, err
}
domcfg := &libvirtxml.Domain{}
err = domcfg.Unmarshal(string(pfile))
if err != nil {
log.Info("Marshal failed on file", filename, err)
return nil, ErrorParseXML
}
return domcfg, nil
}
func (d *DropletT) mergeXml(filename string) error {
log.Info("parse xml file:", filename)
pfile, err := os.ReadFile(filename)
if err != nil {
log.Println("ERROR:", err)
return ErrorNoFile
}
err = d.xml.Unmarshal(string(pfile))
if err != nil {
log.Info("Marshal failed on file", filename)
return ErrorParseXML
}
return nil
}
func setSimpleDisk(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 getMacs(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 {
// 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)
} else {
fmt.Printf("Interface: %s, MAC Address: not available\n", iface.Target.Dev)
}
}
return macs
}
// removes all the ethernet interfaces
func clearEthernet(domcfg *libvirtxml.Domain) {
// Clear out the existing disks (if any)
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"
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 setRandomMacs(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 %+v\n", x.MAC)
fmt.Printf("mac addr %s\n", x.MAC.Address)
}
}
|
