31. 脚本:网站存活
4.4 网站存活检测脚本¶
1.执行方式
bash check_url_func.sh www.pythonav.cn
vim check_url_func.sh
2.非函数脚本
#!/bin/bash
#帮助提示
if [ "$#" -ne 1 ];then
echo "Usage: $0 url"
exit 1
fi
wget --spider -q -o /dev/null --tries=1 -T 5 $1
if [ "$?" -eq 0 ];then
echo "$1 is running ..."
else
echo "$1 is down..."
fi
改造为函数脚本
#!/bin/bash
function usage(){
echo "Usage: $0 url"
exit 1
}
check_url(){
wget --spider -q -o /dev/null --tries=1 -T 5 $1
if [ "$?" -eq 0 ];then
echo "$1 is running ..."
else
echo "$1 is down..."
fi
}
main(){
if [ "$#" -ne 1 ];then
usage
fi
check_url $1
}
main $*
4.5 美化脚本¶
可以从/etc/init.d/目录中找到(搜索log_success_msg)
lsb_functions="lib/lsb/init-functions"
if test -f $lsb_functions;then
. $lsb_functions
else
init_functions="/etc/init.d/functions"
if test -f $init_functions;then
. $init_functions
fi
log_success_msg(){
echo "SUCCESS! $@"
}
log_failure_msg(){
echo " ERROR! $@"
}
fi
改造4.4脚本
check_url(){
wget --spider -q -o /dev/null --tries=1 -T 5 $1
if [ "$?" -eq 0 ];then
log_success_msg "$1 is running ..."
else
log_failure_msg "$1 is down..."
}
# 完整版
#!/bin/bash
# 美化脚本
lsb_functions="lib/lsb/init-functions"
if test -f $lsb_functions;then
. $lsb_functions
else
init_functions="/etc/init.d/functions"
if test -f $init_functions;then
. $init_functions
fi
log_success_msg(){
echo "SUCCESS! $@"
}
log_failure_msg(){
echo " ERROR! $@"
}
fi
# 用法提示
function usage(){
echo "Usage: $0 url"
exit 1
}
# 执行函数
check_url(){
wget --spider -q -o /dev/null --tries=1 -T 5 $1
if [ "$?" -eq 0 ];then
log_success_msg "$1 is running ..."
else
log_failure_msg "$1 is down..."
fi
}
# 主函数
main(){
if [ "$#" -ne 1 ];then
usage
fi
check_url $1
}
# 主函数
main $*
最后更新:
2022-02-19 13:59:07