Code maintenance: CLI interface abstraction

internal/cli/openvpnconfig.go

@@ -0,0 +1,48 @@
+package cli
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/qdm12/gluetun/internal/constants"
+	"github.com/qdm12/gluetun/internal/os"
+	"github.com/qdm12/gluetun/internal/params"
+	"github.com/qdm12/gluetun/internal/provider"
+	"github.com/qdm12/gluetun/internal/settings"
+	"github.com/qdm12/gluetun/internal/storage"
+	"github.com/qdm12/golibs/logging"
+)
+
+func (c *cli) OpenvpnConfig(os os.OS) error {
+	logger, err := logging.NewLogger(logging.ConsoleEncoding, logging.InfoLevel)
+	if err != nil {
+		return err
+	}
+	paramsReader := params.NewReader(logger, os)
+	allSettings, err := settings.GetAllSettings(paramsReader)
+	if err != nil {
+		return err
+	}
+	allServers, err := storage.New(logger, os, constants.ServersData).
+		SyncServers(constants.GetAllServers())
+	if err != nil {
+		return err
+	}
+	providerConf := provider.New(allSettings.OpenVPN.Provider.Name, allServers, time.Now)
+	connection, err := providerConf.GetOpenVPNConnection(allSettings.OpenVPN.Provider.ServerSelection)
+	if err != nil {
+		return err
+	}
+	lines := providerConf.BuildConf(
+		connection,
+		allSettings.OpenVPN.Verbosity,
+		"nonroortuser",
+		allSettings.OpenVPN.Root,
+		allSettings.OpenVPN.Cipher,
+		allSettings.OpenVPN.Auth,
+		allSettings.OpenVPN.Provider.ExtraConfigOptions,
+	)
+	fmt.Println(strings.Join(lines, "\n"))
+	return nil
+}