chore(provider): add Name() method per provider

internal/provider/privateinternetaccess/connection.go

@@ -2,7 +2,6 @@ package privateinternetaccess
 
 import (
 	"github.com/qdm12/gluetun/internal/configuration/settings"
-	"github.com/qdm12/gluetun/internal/constants/providers"
 	"github.com/qdm12/gluetun/internal/models"
 	"github.com/qdm12/gluetun/internal/provider/privateinternetaccess/presets"
 	"github.com/qdm12/gluetun/internal/provider/utils"
@@ -21,6 +20,6 @@ func (p *Provider) GetConnection(selection settings.ServerSelection) (
 		defaults.OpenVPNUDPPort = 1197
 	}
 
-	return utils.GetConnection(providers.PrivateInternetAccess,
+	return utils.GetConnection(p.Name(),
 		p.storage, selection, defaults, p.randSource)
 }

internal/provider/privateinternetaccess/provider.go

@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"github.com/qdm12/gluetun/internal/constants/openvpn"
+	"github.com/qdm12/gluetun/internal/constants/providers"
 	"github.com/qdm12/gluetun/internal/provider/common"
 )
 
@@ -28,3 +29,7 @@ func New(storage common.Storage, randSource rand.Source,
 		authFilePath:    openvpn.AuthConf,
 	}
 }
+
+func (p *Provider) Name() string {
+	return providers.PrivateInternetAccess
+}