pingが通るまで待つ処理。jenkinsからのサーバ自動起動用。

ping_check.sh

#!/bin/sh

PING_TARGET=$1
COUNT_LIMIT=$2

echo "try ping to ${PING_TARGET}"

COUNT=1

while true;do
    ping -c 3 ${PING_TARGET} >/dev/null 2>/dev/null
    if [ $? -eq 0 ]; then
       echo "ping OK"
       exit 0
    fi

    COUNT=`expr ${COUNT} + 1`

    if [ ${COUNT} -gt ${COUNT_LIMIT} ]; then
       echo "ping NG"
       exit 1
    fi

    echo "sleep count : ${COUNT}"
    sleep 3
done