88 lines
2.1 KiB
Go
88 lines
2.1 KiB
Go
package common
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import (
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"fmt"
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"os"
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"path/filepath"
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"regexp"
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"github.com/hashicorp/packer/packer"
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)
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// BuilderId is the common builder ID to all of these artifacts.
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const BuilderId = "packer.parallels"
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// These are the extensions of files and directories that are unnecessary for the function
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// of a Parallels virtual machine.
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var unnecessaryFiles = []string{"\\.log$", "\\.backup$", "\\.Backup$", "\\.app"}
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// Artifact is the result of running the parallels builder, namely a set
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// of files associated with the resulting machine.
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type artifact struct {
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dir string
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f []string
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}
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// NewArtifact returns a Parallels artifact containing the files
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// in the given directory.
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func NewArtifact(dir string) (packer.Artifact, error) {
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files := make([]string, 0, 5)
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visit := func(path string, info os.FileInfo, err error) error {
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if err != nil {
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if os.IsNotExist(err) {
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// It's possible that the path in question existed prior to visit being invoked, but has
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// since been deleted. This happens, for example, if you have the VM console open while
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// building. Opening the console creates a <vm name>.app directory which is gone by the time
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// visit is invoked, resulting in err being a "file not found" error. In this case, skip the
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// entire path and continue to the next one.
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return filepath.SkipDir
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}
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return err
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}
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for _, unnecessaryFile := range unnecessaryFiles {
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if unnecessary, _ := regexp.MatchString(unnecessaryFile, path); unnecessary {
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return os.RemoveAll(path)
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}
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}
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if !info.IsDir() {
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files = append(files, path)
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}
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return nil
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}
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if err := filepath.Walk(dir, visit); err != nil {
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return nil, err
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}
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return &artifact{
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dir: dir,
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f: files,
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}, nil
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}
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func (*artifact) BuilderId() string {
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return BuilderId
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}
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func (a *artifact) Files() []string {
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return a.f
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}
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func (*artifact) Id() string {
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return "VM"
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}
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func (a *artifact) String() string {
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return fmt.Sprintf("VM files in directory: %s", a.dir)
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}
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func (a *artifact) State(name string) interface{} {
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return nil
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}
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func (a *artifact) Destroy() error {
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return os.RemoveAll(a.dir)
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}
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