// createStageFile stages the src configuration file by processing the src
// template and setting the desired owner, group, and mode. It also sets the
// StageFile for the template resource.
// It returns an error if any.
func (t *TemplateResource) createStageFile() error {
t.Src = filepath.Join(config.TemplateDir(), t.Src)
log.Debug("Using source template " + t.Src)
if !isFileExist(t.Src) {
return errors.New("Missing template: " + t.Src)
}
// create TempFile in Dest directory to avoid cross-filesystem issues
temp, err := ioutil.TempFile(filepath.Dir(t.Dest), "."+filepath.Base(t.Dest))
if err != nil {
os.Remove(temp.Name())
return err
}
defer temp.Close()
log.Debug("Compiling source template " + t.Src)
tplFuncMap := make(template.FuncMap)
tplFuncMap["Base"] = path.Base
tplFuncMap["GetDir"] = t.Dirs.Get
tmpl := template.Must(template.New(path.Base(t.Src)).Funcs(tplFuncMap).ParseFiles(t.Src))
if err = tmpl.Execute(temp, t.Vars); err != nil {
return err
}
// Set the owner, group, and mode on the stage file now to make it easier to
// compare against the destination configuration file later.
os.Chmod(temp.Name(), t.FileMode)
os.Chown(temp.Name(), t.Uid, t.Gid)
t.StageFile = temp
return nil
}
// createStageFile stages the src configuration file by processing the src
// template and setting the desired owner, group, and mode. It also sets the
// StageFile for the template resource.
// It returns an error if any.
func (t *TemplateResource) createStageFile() error {
t.Src = filepath.Join(config.TemplateDir(), t.Src)
log.Debug("Using source template " + t.Src)
if !isFileExist(t.Src) {
return errors.New("Missing template: " + t.Src)
}
temp, err := ioutil.TempFile("", "")
if err != nil {
os.Remove(temp.Name())
return err
}
log.Debug("Compiling source template " + t.Src)
tmpl := template.Must(template.ParseFiles(t.Src))
if err = tmpl.Execute(temp, t.Vars); err != nil {
return err
}
// Set the owner, group, and mode on the stage file now to make it easier to
// compare against the destination configuration file later.
os.Chmod(temp.Name(), t.FileMode)
os.Chown(temp.Name(), t.Uid, t.Gid)
t.StageFile = temp
return nil
}