#!/usr/bin/env bash
# Install motd scripts

[[ -f functions ]] && . functions || exit 1

is_root


profiledir="/etc/profile.d/"

[[ ! -d "$profiledir" ]] && mkdir -p "$profiledir"


cat <<- EOF > "$profiledir/motd.sh"
#!/usr/bin/env bash

USER=$(whoami)
HOSTNAME=$(uname -n)
ARRAY=$(df -Ph | grep array | awk '{print $4}' | tr -d '\n')
ROOT=$(df -Ph | grep sdb3 | awk '{print $4}' | tr -d '\n')
BACKUP=$(df -Ph | grep backup | awk '{print $4}' | tr -d '\n')

MEMORY1=$(free -t -m | grep "buffers/cache" | awk '{print $3" MB";}')
MEMORY2=$(free -t -m | grep "Mem" | awk '{print $2" MB";}')
PSA=$(ps -Afl | wc -l)

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

#System load
LOAD1=$(awk {'print $1'} /proc/loadavg)
LOAD5=$(awk {'print $2'} /proc/loadavg)
LOAD15=$(awk {'print $3'} /proc/loadavg)

echo "
===========================================================================
 - Hostname............: $HOSTNAME
 - Release.............: $(cat /etc/redhat-release)
 - Users...............: Currently $(users | wc -w) user(s) logged on
===========================================================================
 - Current user........: $USER
 - CPU usage...........: $LOAD1, $LOAD5, $LOAD15 (1, 5, 15 min)
 - Memory used.........: $MEMORY1 / $MEMORY2
 - Swap in use.........: $(free -m | tail -n 1 | awk '{print $3}') MB
 - Processes...........: $PSA running
 - System uptime.......: $upDays days $upHours hours $upMins minutes $upSecs seconds
 - Disk space ROOT.....: $ROOT remaining
 - Disk space ARRAY....: $ARRAY remaining
 - Disk space BACKUP...: $BACKUP remaining
===========================================================================
"
EOF

chmod +x "$profiledir/motd.sh"

exit $?