func randomStringCommand(_ *command.Args, opts *randomStringOptions) {
fmt.Println(stringutil.RandomPrintable(opts.Length))
}
// ExpandInto expands the template into the given directory, creating it. If
// the directory already exists and it's non-empty, and error is returned.
func (t *Template) ExpandInto(dir string, gae bool) error {
if exists, _ := fileutil.Exists(dir); exists && !isEmptyDir(dir) {
return fmt.Errorf("%s already exists", dir)
}
if err := os.MkdirAll(dir, 0755); err != nil {
return err
}
data, err := t.Data(gae)
if err != nil {
return err
}
zr, err := gzip.NewReader(bytes.NewReader(data))
if err != nil {
return err
}
defer zr.Close()
r := tar.NewReader(zr)
hdr, err := r.Next()
if err != nil {
return err
}
// Data to pass to templates
tmplData := map[string]interface{}{
"Port": 10000 + rand.Intn(20001), // random port between 10k and 30k
"AppSecret": stringutil.RandomPrintable(64),
"AppEncryptionKey": stringutil.RandomPrintable(32),
"DevSecret": stringutil.RandomPrintable(64),
"DevEncryptionKey": stringutil.RandomPrintable(32),
"ProjectName": filepath.Base(dir),
}
for hdr != nil {
p := filepath.Join(dir, filepath.FromSlash(hdr.Name))
info := hdr.FileInfo()
if info.IsDir() {
log.Debugf("creating directory %s", p)
if err := os.MkdirAll(p, info.Mode()); err != nil {
panic(err)
}
} else if filepath.Base(p) != ".keep" {
// .keep is used to make git keep the directory
data, err := ioutil.ReadAll(r)
if err != nil {
panic(err)
}
if output, ok := isTemplateFile(p); ok {
p = output
tmpl, err := template.New(filepath.Base(p)).Parse(string(data))
if err != nil {
panic(err)
}
var buf bytes.Buffer
if err := tmpl.Execute(&buf, tmplData); err != nil {
panic(err)
}
data = buf.Bytes()
}
log.Debugf("writing file %s", p)
if err := ioutil.WriteFile(p, data, info.Mode()); err != nil {
return err
}
}
hdr, err = r.Next()
if err != nil && err != io.EOF {
return err
}
}
return nil
}