func sanitizeLabel()

in executors/kubernetes/util.go [427:451]

• 17 lines of code
• 11 McCabe index (conditional complexity)

func sanitizeLabel(value string) string {
	mapFn := func(r rune) rune {
		if r >= 'a' && r <= 'z' ||
			r >= 'A' && r <= 'Z' ||
			r >= '0' && r <= '9' ||
			r == '-' || r == '_' || r == '.' {
			return r
		}
		return '_'
	}

	// only alphanumerics, dashes (-), underscores (_), dots (.) are valid
	value = strings.Map(mapFn, value)

	// must start/end with alphanumerics only
	value = strings.Trim(value, "-_.")

	// length must be <= 63 characters
	if len(value) > 63 {
		value = value[:63]
	}

	// trim again if required after shortening
	return strings.Trim(value, "-_.")
}