#!/bin/bash

dsk_ip_start="10.10.43.111"
dsk_ip_end="10.10.43.147"
start_ip="10.10.43.100"
end_ip="10.10.43.253"

echo "**마지막 수행 시간 : $(date +%Y-%m-%d-%r)**<br>" > README.md
echo "CPU (실시간) : top의 첫번째 스냅샷에서 가져온 값<br>" >> README.md
echo "CPU (평균) : mpstat를 통해 모든 코어의 통계를 기반으로 계산한 CPU 평균 사용률<br>" >> README.md
echo "Memory 사용률 : free -h를 통한 값<br><br>" >> README.md

echo "## Dsk-Dev Cluster Node Status" >> README.md
echo "|Server|IP|CPU (실시간)|CPU (평균)|Use Memory|Total Memory|" >> README.md
echo "|:---|:---|:---|:---|:---|:---|" >> README.md
for i in $(seq ${dsk_ip_start##*.} ${dsk_ip_end##*.}); do
    ip="${start_ip%.*}.${i}"
    echo "|$(ssh ubuntu@$ip hostname)|$ip|$(ssh ubuntu@$ip top -bn1 | awk '/^%Cpu/{print $2"%"}')|$(ssh ubuntu@$ip mpstat |grep all |awk '{print $4"%"}')|$(ssh ubuntu@$ip free -h |awk '/^Mem:/ {print $3}')|$(ssh ubuntu@$ip free -h |awk '/^Mem:/ {print $2}')|" >> README.md
    echo "$(ssh ubuntu@$ip hostname) 확인 완료"
done

echo "## IP Health Check" >> README.md
echo "|IP Address&emsp;&emsp;&emsp;&emsp;&emsp;|Check Result&emsp;&emsp;&emsp;&emsp;&emsp;|" >> README.md
echo "|:---|:---|" >> README.md

for i in $(seq ${start_ip##*.} ${end_ip##*.}); do
    ip="${start_ip%.*}.${i}"
    if ping -c 1 -W 1 "$ip" >/dev/null 2>&1; then
        echo "|$ip|사용 중|" >> README.md
    else
        echo "|$ip|사용 가능|" >> README.md
    fi
    echo "${i} 확인 완료"
done