#!/usr/bin/env sh

# Put this file in /etc/profile.d

# os available ?
if [ -f /etc/os-release ]; then
    . /etc/os-release
else
    PRETTY_NAME="Linux"
fi

# Welcome Message
printf "\n%s\n" "$(date)"
printf "%s | %s\n" "$PRETTY_NAME" "$(uname -r)"

# Show Hostname
printf "\033[1;34m"
figlet "$(hostname -s)"
printf "\033[0m"

# System Params
load=$(awk '{print $2}' /proc/loadavg)
memory_usage=$(free -m | awk '/Mem/ { printf("%3.1f%%", $3/($2+1)*100) }')
memory_total=$(free -g | awk '/Mem/ { printf("%3.0f", $2) }')
swap_usage=$(free -m | awk '/Swap/ { printf("%3.1f%%", $3/($2+1)*100) }')
swap_total=$(free -g | awk '/Swap/ { printf("%3.0f", $2) }')
users=$(who | wc -l)

echo ""
printf "System load:\t%s\t\tMemory usage:\t%s of %sG\n" "$load" "$memory_usage" "$memory_total"
printf "Local users:\t%s\t\tSwap usage:\t%s of %sG\n" "$users" "$swap_usage" "$swap_total"
echo ""

# Get disk usage (use 2s timeout for weak nfs mounts)
busybox timeout 2 df -h 2>/dev/null | grep -E "^(/dev/|Filesystem)"

echo ""