From e3a677c22b842dcb566292c3d699106c54ddd16c Mon Sep 17 00:00:00 2001
From: Quentin McGaw <quentin.mcgaw@gmail.com>
Date: Mon, 13 Jul 2020 23:43:26 +0000
Subject: [PATCH] Add openvpnconfig command, for #179

---
 cmd/gluetun/main.go |  2 ++
 internal/cli/cli.go | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/cmd/gluetun/main.go b/cmd/gluetun/main.go
index 29f5c0bc..697a1c45 100644
--- a/cmd/gluetun/main.go
+++ b/cmd/gluetun/main.go
@@ -42,6 +42,8 @@ func _main(background context.Context, args []string) int {
 			err = cli.HealthCheck()
 		case "clientkey":
 			err = cli.ClientKey(args[2:])
+		case "openvpnconfig":
+			err = cli.OpenvpnConfig()
 		default:
 			err = fmt.Errorf("command %q is unknown", args[1])
 		}
diff --git a/internal/cli/cli.go b/internal/cli/cli.go
index 823a8252..10c20f9a 100644
--- a/internal/cli/cli.go
+++ b/internal/cli/cli.go
@@ -8,6 +8,10 @@ import (
 	"net"
 
 	"github.com/qdm12/golibs/files"
+	"github.com/qdm12/golibs/logging"
+	"github.com/qdm12/private-internet-access-docker/internal/params"
+	"github.com/qdm12/private-internet-access-docker/internal/provider"
+	"github.com/qdm12/private-internet-access-docker/internal/settings"
 )
 
 func ClientKey(args []string) error {
@@ -38,3 +42,32 @@ func HealthCheck() error {
 	}
 	return nil
 }
+
+func OpenvpnConfig() error {
+	logger, err := logging.NewLogger(logging.ConsoleEncoding, logging.InfoLevel, -1)
+	if err != nil {
+		return err
+	}
+	paramsReader := params.NewReader(logger)
+	allSettings, err := settings.GetAllSettings(paramsReader)
+	if err != nil {
+		return err
+	}
+	providerConf := provider.New(allSettings.OpenVPN.Provider.Name)
+	connections, err := providerConf.GetOpenVPNConnections(allSettings.OpenVPN.Provider.ServerSelection)
+	if err != nil {
+		return err
+	}
+	lines := providerConf.BuildConf(
+		connections,
+		allSettings.OpenVPN.Verbosity,
+		allSettings.System.UID,
+		allSettings.System.GID,
+		allSettings.OpenVPN.Root,
+		allSettings.OpenVPN.Cipher,
+		allSettings.OpenVPN.Auth,
+		allSettings.OpenVPN.Provider.ExtraConfigOptions,
+	)
+	fmt.Println(strings.Join(lines, "\n"))
+	return nil
+}