reboot

#!/bin/bash

REBOOT_USER=$(logname)
REBOOT_TIME=$(date)
PLATFORM=$(sonic-cfggen -H -v DEVICE_METADATA.localhost.platform)
DEVPATH="/usr/share/sonic/device"
PLAT_REBOOT="platform_reboot"
REBOOT_CAUSE_FILE="/var/cache/sonic/reboot-cause.txt"

function stop_sonic_services()
{
    echo "Stopping syncd..."
    docker exec -i syncd /usr/bin/syncd_request_shutdown --cold > /dev/null
    sleep 3
}

# Exit if not superuser
if [[ "$EUID" -ne 0 ]]; then
    echo "This command must be run as root" >&2
    exit 1
fi

# Stop SONiC services gracefully.
stop_sonic_services

# Update the reboot cause file to reflect that user issued 'reboot' command
# Upon next boot, the contents of this file will be used to determine the
# cause of the previous reboot
echo "User issued 'reboot' command [User: ${REBOOT_USER}, Time: ${REBOOT_TIME}]" > ${REBOOT_CAUSE_FILE}
sync
sleep 3

if [ -x ${DEVPATH}/${PLATFORM}/${PLAT_REBOOT} ]; then
    echo "Rebooting with platform ${PLATFORM} specific tool ..."
    exec ${DEVPATH}/${PLATFORM}/${PLAT_REBOOT} $@
else
    # If no platform-specific reboot tool, just run /sbin/reboot
    exec /sbin/reboot $@
fi

# Should never reach here
echo "Reboot failed!" >&2
exit 1