#!/bin/bash
#
#   xrkmonitor license 
#
#   Copyright (c) 2020 by rockdeng
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#
#
#   字符云监控(xrkmonitor) 开源版 (c) 2021 by rockdeng
#   当前版本：v1.0
#   使用授权协议： apache license 2.0
#
#   开源版主页：http://open.xrkmonitor.com
#   云版本主页：http://xrkmonitor.com
#  
#
#   云版本为开源版提供永久免费告警通道支持，告警通道支持短信、邮件、
#   微信等多种方式，欢迎使用
#
#   监控插件 mysql_slave_check 功能:
#        mysql 主从同步监控，主从不同步时会记录错误日志并发送异常告警
#
#   插件开发时间：2021-11-19
#   插件开发人员：官方
#   插件开发人员云账号ID：1
#
#   脚本功能：
#       将插件脚本添加到 crontab 定时执行，默认每分钟执行一次
#

script_path=''
script_name=''
function in_script_path()
{
    echo "/" > _tmp
    fc=`expr substr "$0" 1 1`
    echo "$fc" > _tmp_2
    cmp _tmp _tmp_2 > /dev/null 2>&1
    if [ $? -eq 0 ];then
        cscript=$0
    else
        cscript=$(pwd)/$0
    fi
    rm -f _tmp _tmp_2
    script_path=`dirname $cscript`
    script_name=`basename $cscript`
    cd "$script_path"
}
in_script_path
./cron_mysql_slave_check.sh > /dev/null 2>&1

crontab -l > _add_xrk_plugin_check_tmp 
grep "${script_path}; \./cron_mysql_slave_check\.sh" _add_xrk_plugin_check_tmp > /dev/null 2>&1
if [ $? -eq 0 ]; then
	rm _add_xrk_plugin_check_tmp 
	echo "already add"
	exit 0
fi

curpwd=`pwd`
echo "*/1 * * * * cd ${script_path}; ./cron_mysql_slave_check.sh > /dev/null 2>&1" >> _add_xrk_plugin_check_tmp 
crontab _add_xrk_plugin_check_tmp
if [ $? -eq 0 ]; then
	rm _add_xrk_plugin_check_tmp
	echo "add crontab ok"
	exit 0
fi

echo "add to crontab failed"
rm _add_xrk_plugin_check_tmp