func (in Include) Process(tree *gabs.Container) error {
path := ConfigPath
if customPath, ok := tree.Path("vars.config-path").Data().(string); ok {
path = customPath
}
if tree.ExistsP("include") {
items, err := tree.Path("include").Children()
if err != nil {
return err
}
for i, _ := range items {
inc := items[len(items)-i-1] // loop in reverse order for merge priority
if file, ok := inc.Search("file").Data().(string); ok {
if !strings.HasPrefix(file, "/") {
file = path + "/" + file
}
if err := includeFile(file, tree); err != nil {
return err
}
}
}
}
// include all base configs
if files, err := filepath.Glob(path + "/conf.d/*.yml"); err == nil {
for _, file := range files {
if err := includeFile(file, tree); err != nil {
return err
}
}
}
return nil
}
func _template(s string, context *gabs.Container, modify bool) (string, error) {
t, err := fasttemplate.NewTemplate(s, "{{", "}}")
if err != nil {
return "", err
}
w := bytesBufferPool.Get().(*bytes.Buffer)
if _, err := t.ExecuteFunc(w, func(w io.Writer, tag string) (int, error) {
tag = strings.TrimSpace(tag)
if value := context.Path(tag).Data(); value != nil {
if valueArr, ok := value.([]interface{}); ok && len(valueArr) > 0 {
value = valueArr[0]
}
return w.Write([]byte(fmt.Sprintf("%v", value)))
} else if modify && strings.Contains(tag, "|") {
if v, err := ModifyExec(tag, context); err == nil {
return w.Write([]byte(fmt.Sprintf("%v", v)))
}
}
if strings.HasPrefix(tag, "vars.") || context.ExistsP(tag) {
return 0, nil
}
return 0, fmt.Errorf("Undefined template variable: '%s'", tag)
}); err != nil {
return "", err
}
out := string(w.Bytes())
w.Reset()
bytesBufferPool.Put(w)
return out, nil
}