make storage users mount id configurable (#5091)

services/storage-users/pkg/config/defaults/defaultconfig.go

@@ -39,7 +39,6 @@ func DefaultConfig() *config.Config {
 		},
 		Reva:             shared.DefaultRevaConfig(),
 		DataServerURL:    "http://localhost:9158/data",
-		MountID:          "1284d238-aa92-42ce-bdc4-0b0000009157",
 		UploadExpiration: 24 * 60 * 60,
 		Driver:           "ocis",
 		Drivers: config.Drivers{

services/storage-users/pkg/config/parser/parse.go

@@ -2,8 +2,10 @@ package parser
 
 import (
 	"errors"
+	"fmt"
 
 	ociscfg "github.com/owncloud/ocis/v2/ocis-pkg/config"
+	defaults2 "github.com/owncloud/ocis/v2/ocis-pkg/config/defaults"
 	"github.com/owncloud/ocis/v2/ocis-pkg/shared"
 	"github.com/owncloud/ocis/v2/services/storage-users/pkg/config"
 	"github.com/owncloud/ocis/v2/services/storage-users/pkg/config/defaults"
@@ -38,5 +40,12 @@ func Validate(cfg *config.Config) error {
 		return shared.MissingJWTTokenError(cfg.Service.Name)
 	}
 
+	if cfg.MountID == "" {
+		return fmt.Errorf("The storage users mount ID has not been configured for %s. "+
+			"Make sure your %s config contains the proper values "+
+			"(e.g. by running ocis init or setting it manually in "+
+			"the config/corresponding environment variable).",
+			"storage-users", defaults2.BaseConfigPath())
+	}
 	return nil
 }