1 files changed, 67 insertions, 0 deletions
diff --git a/cmd/mattermost/commands/config.go b/cmd/mattermost/commands/config.go
new file mode 100644
index 000000000..81ac765ec
--- /dev/null
+++ b/cmd/mattermost/commands/config.go
@@ -0,0 +1,67 @@
+// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package commands
+
+import (
+	"encoding/json"
+	"errors"
+	"os"
+
+	"github.com/mattermost/mattermost-server/model"
+	"github.com/mattermost/mattermost-server/utils"
+	"github.com/spf13/cobra"
+)
+
+var ConfigCmd = &cobra.Command{
+	Use:   "config",
+	Short: "Configuration",
+}
+
+var ValidateConfigCmd = &cobra.Command{
+	Use:   "validate",
+	Short: "Validate config file",
+	Long:  "If the config file is valid, this command will output a success message and have a zero exit code. If it is invalid, this command will output an error and have a non-zero exit code.",
+	RunE:  configValidateCmdF,
+}
+
+func init() {
+	ConfigCmd.AddCommand(
+		ValidateConfigCmd,
+	)
+	RootCmd.AddCommand(ConfigCmd)
+}
+
+func configValidateCmdF(command *cobra.Command, args []string) error {
+	utils.TranslationsPreInit()
+	model.AppErrorInit(utils.T)
+	filePath, err := command.Flags().GetString("config")
+	if err != nil {
+		return err
+	}
+
+	filePath = utils.FindConfigFile(filePath)
+
+	file, err := os.Open(filePath)
+	if err != nil {
+		return err
+	}
+
+	decoder := json.NewDecoder(file)
+	config := model.Config{}
+	err = decoder.Decode(&config)
+	if err != nil {
+		return err
+	}
+
+	if _, err := file.Stat(); err != nil {
+		return err
+	}
+
+	if err := config.IsValid(); err != nil {
+		return errors.New(utils.T(err.Id))
+	}
+
+	CommandPrettyPrintln("The document is valid")
+	return nil
+}