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virt: Allow more than 26 disks

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This commit is contained in:
Jonathan Gold
2017-09-08 00:22:33 +00:00
parent af75696018
commit 69f479b67e
2 changed files with 33 additions and 2 deletions
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13
resources/virt.go
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@@ -998,7 +998,7 @@ func (d *diskDevice) GetXML(idx int) string {
b += "<disk type='file' device='disk'>"
b += fmt.Sprintf("<driver name='qemu' type='%s'/>", d.Type)
b += fmt.Sprintf("<source file='%s'/>", source)
b += fmt.Sprintf("<target dev='vd%s' bus='virtio'/>", (string)(idx+97)) // TODO: 26, 27... should be 'aa', 'ab'...
b += fmt.Sprintf("<target dev='vd%s' bus='virtio'/>", numToAlpha(idx))
b += "</disk>"
return b
}
@@ -1009,7 +1009,7 @@ func (d *cdRomDevice) GetXML(idx int) string {
b += "<disk type='file' device='cdrom'>"
b += fmt.Sprintf("<driver name='qemu' type='%s'/>", d.Type)
b += fmt.Sprintf("<source file='%s'/>", source)
b += fmt.Sprintf("<target dev='hd%s' bus='ide'/>", (string)(idx+97)) // TODO: 26, 27... should be 'aa', 'ab'...
b += fmt.Sprintf("<target dev='hd%s' bus='ide'/>", numToAlpha(idx))
b += "<readonly/>"
b += "</disk>"
return b
@@ -1195,3 +1195,12 @@ func expandHome(p string) (string, error) {
return p, nil
}
func numToAlpha(idx int) string {
var mod = idx % 26
var div = idx / 26
if div > 0 {
return numToAlpha(div-1) + string(rune(mod+int('a')))
}
return string(rune(mod + int('a')))
}