#!/bin/bash #set -x #****************************************************************************** # @file : entrypoint.sh # @author : wangyubin # @date : 2018-08- 1 10:18:43 # # @brief : entry point for manage service start order # history : init #****************************************************************************** : ${SLEEP_SECOND:=2} wait_for() { echo Waiting for $1 to listen on $2... while ! nc -z $1 $2; do echo waiting...; sleep $SLEEP_SECOND; done } declare DEPENDS declare CMD while getopts "d:c:" arg do case $arg in d) DEPENDS=$OPTARG ;; c) CMD=$OPTARG ;; ?) echo "unkonw argument" exit 1 ;; esac done for var in ${DEPENDS//,/ } do host=${var%:*} port=${var#*:} wait_for $host $port done eval $CMD