From eb29008b68095416fa0248725711ad94378fece1 Mon Sep 17 00:00:00 2001
From: "C.J. Collier" <cjcollier@linuxfoundation.org>
Date: Fri, 6 May 2016 16:02:20 -0700
Subject: [PATCH] Enable Serial Console

This patch will allow access to the bootloader and kernel boot
messages for debugging and maintenance

* add function deb_enable_serial_console to bootstrap-functions.sh
* call deb_enable_serial_console from bootstrap.sh

Change-Id: Ia79881a91ab4d10b1f5ed6deb3a43a7a4d037fa5
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>
---
 vagrant/basebuild/bootstrap.sh     |  1 +
 vagrant/lib/bootstrap-functions.sh | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/vagrant/basebuild/bootstrap.sh b/vagrant/basebuild/bootstrap.sh
index 016be616e..b3f5426a8 100644
--- a/vagrant/basebuild/bootstrap.sh
+++ b/vagrant/basebuild/bootstrap.sh
@@ -20,6 +20,7 @@ then
     echo "---> Debian type system detected"
     export DEBIAN_FRONTEND=noninteractive
 
+    deb_enable_serial_console
     deb_aptconf_batchconf
     deb_sync_minor
     deb_correct_shell
diff --git a/vagrant/lib/bootstrap-functions.sh b/vagrant/lib/bootstrap-functions.sh
index 80e2f217b..652160e06 100644
--- a/vagrant/lib/bootstrap-functions.sh
+++ b/vagrant/lib/bootstrap-functions.sh
@@ -1,5 +1,15 @@
 #!/bin/bash
 
+deb_enable_serial_console() {
+# enable grub and login on serial console
+
+    echo <<EOF>> /etc/default/grub
+GRUB_TERMINAL=serial
+GRUB_SERIAL_COMMAND="serial --speed=38400 --unit=0 --word=8 --parity=no --stop=1"
+EOF
+    update-grub
+}
+
 deb_probe_modules() {
     for mod in "$@"
     do
-- 
2.16.6