Implement OTS-CLI utility (#117)

cmd/ots-cli/cmd_root.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+)
+
+var rootCmd = &cobra.Command{
+	Short:             "Utility to interact with encrypted secrets in an OTS instance",
+	PersistentPreRunE: rootPersistentPreRunE,
+}
+
+func init() {
+	rootCmd.PersistentFlags().String("log-level", "info", "Level to use for logging (trace, debug, info, warn, error, fatal)")
+}
+
+func rootPersistentPreRunE(cmd *cobra.Command, _ []string) error {
+	sll, err := cmd.Flags().GetString("log-level")
+	if err != nil {
+		return fmt.Errorf("getting log-level: %w", err)
+	}
+
+	ll, err := logrus.ParseLevel(sll)
+	if err != nil {
+		return fmt.Errorf("parsing log-level: %w", err)
+	}
+	logrus.SetLevel(ll)
+
+	return nil
+}