packer-cn/fix/fixer_virtualbox_gaattach.go

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package fix
import (
"github.com/mitchellh/mapstructure"
)
// FixerVirtualBoxGAAttach changes the "guest_additions_attach" of a template
// to "guest_additions_mode".
type FixerVirtualBoxGAAttach struct{}
func (FixerVirtualBoxGAAttach) Fix(input map[string]interface{}) (map[string]interface{}, error) {
// The type we'll decode into; we only care about builders
type template struct {
Builders []map[string]interface{}
}
// Decode the input into our structure, if we can
var tpl template
if err := mapstructure.Decode(input, &tpl); err != nil {
return nil, err
}
for _, builder := range tpl.Builders {
builderTypeRaw, ok := builder["type"]
if !ok {
continue
}
builderType, ok := builderTypeRaw.(string)
if !ok {
continue
}
if builderType != "virtualbox" {
continue
}
gaAttachRaw, ok := builder["guest_additions_attach"]
if !ok {
continue
}
gaAttach, ok := gaAttachRaw.(bool)
if !ok {
continue
}
gaMode := "upload"
if gaAttach {
gaMode = "attach"
}
delete(builder, "guest_additions_attach")
builder["guest_additions_mode"] = gaMode
}
input["builders"] = tpl.Builders
return input, nil
}
func (FixerVirtualBoxGAAttach) Synopsis() string {
return `Updates VirtualBox builders using "guest_additions_attach" to use "guest_additions_mode"`
}