packer-cn/builder/vmware/iso/output_dir.go

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2013-12-24 00:58:41 -05:00
package iso
import (
"os"
"path/filepath"
)
// OutputDir is an interface type that abstracts the creation and handling
// of the output directory for VMware-based products. The abstraction is made
// so that the output directory can be properly made on remote (ESXi) based
// VMware products as well as local.
type OutputDir interface {
DirExists() (bool, error)
ListFiles() ([]string, error)
MkdirAll() error
Remove(string) error
RemoveAll() error
SetOutputDir(string)
}
// localOutputDir is an OutputDir implementation where the directory
// is on the local machine.
type localOutputDir struct {
dir string
}
func (d *localOutputDir) DirExists() (bool, error) {
_, err := os.Stat(d.dir)
return err == nil, nil
}
func (d *localOutputDir) ListFiles() ([]string, error) {
files := make([]string, 0, 10)
visit := func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() {
files = append(files, path)
}
return nil
}
return files, filepath.Walk(d.dir, visit)
}
func (d *localOutputDir) MkdirAll() error {
return os.MkdirAll(d.dir, 0755)
}
func (d *localOutputDir) Remove(path string) error {
return os.Remove(path)
}
func (d *localOutputDir) RemoveAll() error {
return os.RemoveAll(d.dir)
}
func (d *localOutputDir) SetOutputDir(path string) {
d.dir = path
}
func (d *localOutputDir) String() string {
return d.dir
}