packer-cn/fix/fixer_pp_manifest_filename.go

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package fix
import (
"github.com/mitchellh/mapstructure"
)
// FixerManifestFilename renames any Filename to Output
type FixerManifestFilename struct{}
func (FixerManifestFilename) DeprecatedOptions() map[string][]string {
return map[string][]string{
"packer.post-processor.manifest": []string{"filename"},
}
}
func (FixerManifestFilename) Fix(input map[string]interface{}) (map[string]interface{}, error) {
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if input["post-processors"] == nil {
return input, nil
}
// Our template type we'll use for this fixer only
type template struct {
PP `mapstructure:",squash"`
}
// Decode the input into our structure, if we can
var tpl template
if err := mapstructure.Decode(input, &tpl); err != nil {
return nil, err
}
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// Go through each post-processor and get out all the complex configs
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pps := tpl.ppList()
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for _, pp := range pps {
ppTypeRaw, ok := pp["type"]
if !ok {
continue
}
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if ppType, ok := ppTypeRaw.(string); !ok {
continue
} else if ppType != "manifest" {
continue
}
filenameRaw, ok := pp["filename"]
if !ok {
continue
}
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if filename, ok := filenameRaw.(string); ok {
delete(pp, "filename")
pp["output"] = filename
}
}
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input["post-processors"] = tpl.PostProcessors
return input, nil
}
func (FixerManifestFilename) Synopsis() string {
return `Updates "manifest" post-processor so any "filename" field is renamed to "output".`
}