Maint: move OpenVPN streams processing to config package

internal/openvpn/config/logs.go

@@ -0,0 +1,60 @@
+package config
+
+import (
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/qdm12/gluetun/internal/constants"
+	"github.com/qdm12/golibs/logging"
+)
+
+func processLogLine(s string) (filtered string, level logging.Level) {
+	for _, ignored := range []string{
+		"WARNING: you are using user/group/chroot/setcon without persist-tun -- this may cause restarts to fail",
+		"NOTE: UID/GID downgrade will be delayed because of --client, --pull, or --up-delay",
+	} {
+		if s == ignored {
+			return "", logging.LevelDebug
+		}
+	}
+	switch {
+	case strings.HasPrefix(s, "NOTE: "):
+		filtered = strings.TrimPrefix(s, "NOTE: ")
+		level = logging.LevelInfo
+	case strings.HasPrefix(s, "WARNING: "):
+		filtered = strings.TrimPrefix(s, "WARNING: ")
+		level = logging.LevelWarn
+	case strings.HasPrefix(s, "Options error: "):
+		filtered = strings.TrimPrefix(s, "Options error: ")
+		level = logging.LevelError
+	case s == "Initialization Sequence Completed":
+		return color.HiGreenString(s), logging.LevelInfo
+	case s == "AUTH: Received control message: AUTH_FAILED":
+		filtered = s + `
+
+Your credentials might be wrong 🤨
+
+`
+		level = logging.LevelError
+	case strings.Contains(s, "TLS Error: TLS key negotiation failed to occur within 60 seconds (check your network connectivity)"): //nolint:lll
+		filtered = s + `
+🚒🚒🚒🚒🚒🚨🚨🚨🚨🚨🚨🚒🚒🚒🚒🚒
+That error usually happens because either:
+
+1. The VPN server IP address you are trying to connect to is no longer valid 🔌
+   Update your server information using https://github.com/qdm12/gluetun/wiki/Updating-Servers
+
+2. The VPN server crashed 💥, try changing your VPN servers filtering options such as REGION
+
+3. Your Internet connection is not working 🤯, ensure it works
+
+4. Something else ➡️ https://github.com/qdm12/gluetun/issues/new/choose
+`
+		level = logging.LevelWarn
+	default:
+		filtered = s
+		level = logging.LevelInfo
+	}
+	filtered = constants.ColorOpenvpn().Sprintf(filtered)
+	return filtered, level
+}