func ReadWhisperSchemas(filename string) (WhisperSchemas, error) {
	config, err := parseIniFile(filename)
	if err != nil {
		return nil, err
	}

	var schemas WhisperSchemas

	for i, section := range config {
		schema := Schema{}
		schema.Name = section["name"]

		if section["pattern"] == "" {
			return nil, fmt.Errorf("[persister] Empty pattern for [%s]", schema.Name)
		}
		schema.Pattern, err = regexp.Compile(section["pattern"])
		if err != nil {
			return nil, fmt.Errorf("[persister] Failed to parse pattern %q for [%s]: %s",
				section["pattern"], schema.Name, err.Error())
		}
		schema.RetentionStr = section["retentions"]
		schema.Retentions, err = ParseRetentionDefs(schema.RetentionStr)

		if err != nil {
			return nil, fmt.Errorf("[persister] Failed to parse retentions %q for [%s]: %s",
				schema.RetentionStr, schema.Name, err.Error())
		}

		p := int64(0)
		if section["priority"] != "" {
			p, err = strconv.ParseInt(section["priority"], 10, 0)
			if err != nil {
				return nil, fmt.Errorf("[persister] Failed to parse priority %q for [%s]: %s", section["priority"], schema.Name, err)
			}
		}
		schema.Priority = int64(p)<<32 - int64(i) // to sort records with same priority by position in file

		schemas = append(schemas, schema)
	}

	sort.Sort(schemas)
	return schemas, nil
}
func ReadWhisperSchemas(filename string) (WhisperSchemas, error) {
	config, err := parseIniFile(filename)
	if err != nil {
		return nil, err
	}

	var schemas WhisperSchemas

	for i, section := range config {
		schema := Schema{}
		schema.Name = section["name"]

		if section["pattern"] == "" {
			return nil, fmt.Errorf("[persister] Empty pattern for [%s]", schema.Name)
		}
		schema.Pattern, err = regexp.Compile(section["pattern"])
		if err != nil {
			return nil, fmt.Errorf("[persister] Failed to parse pattern %q for [%s]: %s",
				section["pattern"], schema.Name, err.Error())
		}
		schema.RetentionStr = section["retentions"]
		schema.Retentions, err = ParseRetentionDefs(schema.RetentionStr)

		if err != nil {
			return nil, fmt.Errorf("[persister] Failed to parse retentions %q for [%s]: %s",
				schema.RetentionStr, schema.Name, err.Error())
		}

		p := int64(0)
		if section["priority"] != "" {
			p, err = strconv.ParseInt(section["priority"], 10, 0)
			if err != nil {
				return nil, fmt.Errorf("[persister] Failed to parse priority %q for [%s]: %s", section["priority"], schema.Name, err)
			}
		}
		schema.Priority = int64(p)<<32 - int64(i) 

		schemas = append(schemas, schema)
	}

	sort.Sort(schemas)
	return schemas, nil
}
func ReadWhisperSchemas ( filename string ) ( WhisperSchemas , error ) { config , err := parseIniFile ( filename ) if err != nil { return nil , err } var schemas WhisperSchemas for i , section := range config { schema := Schema { } schema . Name = section [ " " ] if section [ " " ] == " " { return nil , fmt . Errorf ( " " , schema . Name ) } schema . Pattern , err = regexp . Compile ( section [ " " ] ) if err != nil { return nil , fmt . Errorf ( " " , section [ " " ] , schema . Name , err . Error ( ) ) } schema . RetentionStr = section [ " " ] schema . Retentions , err = ParseRetentionDefs ( schema . RetentionStr ) if err != nil { return nil , fmt . Errorf ( " " , schema . RetentionStr , schema . Name , err . Error ( ) ) } p := int64 ( 0 ) if section [ " " ] != " " { p , err = strconv . ParseInt ( section [ " " ] , 10 , 0 ) if err != nil { return nil , fmt . Errorf ( " " , section [ " " ] , schema . Name , err ) } } schema . Priority = int64 ( p ) << 32 - int64 ( i ) // to sort records with same priority by position in file schemas = append ( schemas , schema ) } sort . Sort ( schemas ) return schemas , nil }
// ReadWhisperSchemas reads and parses a storage-schemas.conf file and returns a sorted
// schemas structure
// see https://graphite.readthedocs.io/en/0.9.9/config-carbon.html#storage-schemas-conf
ReadWhisperSchemas reads and parses a storage - schemas . conf file and returns a sorted schemas structure see https : // graphite . readthedocs . io / en / 0 . 9 . 9 / config - carbon . html#storage - schemas - conf