From c53822c9e8af6e81e2811456053dad28c4227c78 Mon Sep 17 00:00:00 2001
From: Aravind Mani <53524901+aravindmani-1@users.noreply.github.com>
Date: Thu, 19 Aug 2021 10:13:34 -0700
Subject: [PATCH] [201911] Dell S6100:Add serial-getty service to monit (#8409)

Why I did it
serial-getty service exited in Dell S6100 device randomly.

How I did it
Added serial-getty to monit services.

How to verify it
Stop serial-getty in ssh session and check whether the service restarts or not
---
 .../debian/platform-modules-s6100.install                     | 1 +
 .../s6100/scripts/s6100_platform.sh                           | 1 +
 .../s6100/scripts/s6100_serial_getty_monitor                  | 4 ++++
 3 files changed, 6 insertions(+)
 create mode 100644 platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_serial_getty_monitor

diff --git a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install
index 57e0c859a7..bec0e8f395 100644
--- a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install
+++ b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install
@@ -12,6 +12,7 @@ s6100/scripts/track_reboot_reason.sh usr/share/sonic/device/x86_64-dell_s6100_c2
 s6100/scripts/warm-reboot_plugin usr/share/sonic/device/x86_64-dell_s6100_c2538-r0
 s6100/scripts/soft-reboot_plugin usr/share/sonic/device/x86_64-dell_s6100_c2538-r0
 s6100/scripts/override.conf /etc/systemd/system/systemd-reboot.service.d
+s6100/scripts/s6100_serial_getty_monitor etc/monit/conf.d
 common/dell_lpc_mon.sh usr/local/bin
 s6100/scripts/s6100_ssd_mon.sh usr/local/bin
 s6100/scripts/s6100_ssd_upgrade_status.sh usr/local/bin
diff --git a/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_platform.sh b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_platform.sh
index acb45a6883..0522a79c77 100755
--- a/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_platform.sh
+++ b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_platform.sh
@@ -48,6 +48,7 @@ if [[ "$1" == "init" ]]; then
     fi
 
     install_python_api_package
+    monit reload
 
 elif [[ "$1" == "deinit" ]]; then
     /usr/local/bin/s6100_i2c_enumeration.sh deinit
diff --git a/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_serial_getty_monitor b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_serial_getty_monitor
new file mode 100644
index 0000000000..1b5d0c90db
--- /dev/null
+++ b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/s6100_serial_getty_monitor
@@ -0,0 +1,4 @@
+#Dell S6100 serial getty monitor
+check process serial-getty matching "ttyS"
+start program = "/bin/systemctl start serial-getty@ttyS1.service"
+stop program = "/bin/systemctl stop serial-getty@ttyS1.service"