support non-interactive mode in support bundle (#340)

* support non-interactive mode in support bundle

Author: Salah Aldeen Al Saleh

cmd/troubleshoot/cli/root.go

@@ -38,6 +38,7 @@ from a server that can be used to assist when troubleshooting a Kubernetes clust
 
 	cmd.Flags().StringSlice("redactors", []string{}, "names of the additional redactors to use")
 	cmd.Flags().Bool("redact", true, "enable/disable default redactions")
+	cmd.Flags().Bool("interactive", true, "enable/disable interactive mode")
 	cmd.Flags().Bool("collect-without-permissions", false, "always generate a support bundle, even if it some require additional permissions")
 	cmd.Flags().String("since-time", "", "force pod logs collectors to return logs after a specific date (RFC3339)")
 	cmd.Flags().String("since", "", "force pod logs collectors to return logs newer than a relative duration like 5s, 2m, or 3h.")

cmd/troubleshoot/cli/run.go

@@ -200,7 +200,7 @@ func runTroubleshoot(v *viper.Viper, arg string) error {
 			c.Printf("%s\r * Failed to analyze support bundle: %v\n", cursor.ClearEntireLine(), err)
 		}
 
-		interactive := isatty.IsTerminal(os.Stdout.Fd())
+		interactive := v.GetBool("interactive") && isatty.IsTerminal(os.Stdout.Fd())
 
 		if interactive {
 			close(finishedCh) // this removes the spinner