#!/bin/bash

# Installation:
#
# 1.   vim /etc/ssh/sshd_config
#      PrintMotd no
#
# 2.   vim /etc/pam.d/login
#      # session optional pam_motd.so
#
# 3.   vim /etc/profile
#      /usr/local/bin/dynmotd # Place at the bottom
#
# 4.   Then of course drop this file at
#      /usr/local/bin/dynmotd
#

USER=`whoami`
HOSTNAME=`uname -n | cut -d. -f1`
IP=`/usr/sbin/ip route get 1 | grep -Po '(?<=src.)[\w\d.]+'`
NUM_CPU=`/usr/bin/lscpu | /usr/bin/grep "CPU(s):" | /usr/bin/head -n 1 | /usr/bin/awk '{print $2}'`
ROOT=`/usr/bin/df -x fuse.gvfs-fuse-daemon -Ph | /usr/bin/egrep -i 'root|logvol|vda' | awk '{print $4}' | tr -d '\n'`
HOME=`/usr/bin/df -x fuse.gvfs-fuse-daemon -Ph | grep home | awk '{print $4}' | tr -d '\n'`
BACKUP=`/usr/bin/df -x fuse.gvfs-fuse-daemon -Ph | grep backup | awk '{print $4}' | tr -d '\n'`

MEMORY=`/usr/bin/free -m | /usr/bin/grep "Mem" | /usr/bin/awk '{print $2,"-",$3,"-",$4}'`
SWAP=`/usr/bin/free -m | /usr/bin/grep "Swap" | /usr/bin/awk '{print $2,"-",$3,"-",$4}'`
PSA=`/usr/bin/ps -Afl | wc -l`

# time of day
HOUR=$(/usr/bin/date +"%H")
if [ $HOUR -lt 12  -a $HOUR -ge 0 ]
then    TIME="morning"
elif [ $HOUR -lt 17 -a $HOUR -ge 12 ]
then    TIME="afternoon"
else
    TIME="evening"
fi

#System uptime
uptime=`/usr/bin/cat /proc/uptime | cut -f1 -d.`
upDays=$((uptime/60/60/24))
upHours=$((uptime/60/60%24))
upMins=$((uptime/60%60))
upSecs=$((uptime%60))

#System load
LOADAVG=`/usr/bin/cat /proc/loadavg`
LOAD1=`echo $LOADAVG | /usr/bin/awk {'print $1'}`
LOAD5=`echo $LOADAVG | /usr/bin/awk {'print $2'}`
LOAD15=`echo $LOADAVG | /usr/bin/awk {'print $3'}`

echo ""
echo -e "\e[7m--- GOOD $TIME $USER ----\e[0m"
echo ""
#MESSAGE=`/usr/bin/fortune | /usr/bin/cowsay`
#echo -e " $MESSAGE"

COLOR_COLUMN="\e[1m-"
COLOR_VALUE="\e[31m"
RESET_COLORS="\e[0m"
echo -e "
===========================================================================
 $COLOR_COLUMN- Hostname$RESET_COLORS............: $COLOR_VALUE $HOSTNAME $RESET_COLORS
 $COLOR_COLUMN- IP Address (Default)$RESET_COLORS: $COLOR_VALUE $IP $RESET_COLORS
 $COLOR_COLUMN- Release$RESET_COLORS.............: $COLOR_VALUE `cat {{ ansible_distribution_file_path }}` $RESET_COLORS
 $COLOR_COLUMN- Users$RESET_COLORS...............: $COLOR_VALUE Currently `users | wc -w` user(s) logged on $RESET_COLORS
=========================================================================== $RESET_COLORS
 $COLOR_COLUMN- Current user$RESET_COLORS........: $COLOR_VALUE $USER $RESET_COLORS
 $COLOR_COLUMN- Number of CPU$RESET_COLORS.......: $COLOR_VALUE $NUM_CPU $RESET_COLORS
 $COLOR_COLUMN- CPU usage$RESET_COLORS...........: $COLOR_VALUE $LOAD1 - $LOAD5 - $LOAD15 (1-5-15 min) $RESET_COLORS
 $COLOR_COLUMN- Memory used$RESET_COLORS.........: $COLOR_VALUE $MEMORY (total-free-used) $RESET_COLORS
 $COLOR_COLUMN- Swap in use$RESET_COLORS.........: $COLOR_VALUE $SWAP (total-used-free) MB $RESET_COLORS
 $COLOR_COLUMN- Processes$RESET_COLORS...........: $COLOR_VALUE $PSA running $RESET_COLORS
 $COLOR_COLUMN- System uptime$RESET_COLORS.......: $COLOR_VALUE $upDays days $upHours hours $upMins minutes $upSecs seconds $RESET_COLORS
 $COLOR_COLUMN- Disk space$RESET_COLORS..........: $COLOR_VALUE $ROOT remaining $RESET_COLORS
===========================================================================
"