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99.Shell脚本自启程序并监控(实现全自动监控服务)

99.Shell脚本自启程序并监控(实现全自动监控服务)

作者: 吕小凯 | 来源:发表于2019-08-07 08:41 被阅读0次

    添加重启后执行任务
    crontab -e
    加入
    @reboot nohup sh /root/scripts/init.sh &

    编辑init.sh内容

    #!/bin/bash
#导入jre必须手动导入 不然启动不了（巨坑）
export JAVA_HOME=/app/jdk1.8.0_211
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH

echo 'init...'
systemctl stop firewalld.service
sleep 5
nohup sh /root/scripts/startup.sh &
sleep 5
nohup sh /root/scripts/startupApollo.sh>>/root/scripts/apollo.log & 
echo 'init success'

    startup.init控制mysql和主主模式配置并监控mysql服务

    #author by xiaokai 2019-07-31
#启动另外一个脚本
#count=`ps -ef | grep demo1.sh | grep -v "grep" | wc -l`
#echo $count
#sh demo1.sh>demo1.log &

while true
do
sleep 5
count=`ps -ef | grep mysql | grep -v "grep" | wc -l`
#echo $count
if [ 0 == $count ]; then
    #进程不存在
    time2=$(date "+%Y-%m-%d %H:%M:%S")
   # echo "mysql服务宕机,正在重新启动"
    echo 'mysql服务宕机，宕机时间为:'$time2>>error.log
    sleep 2
    service mysqld restart
    sleep 15
    sh setMysql.sh
    sleep 5    
    echo 'mysql重新启动成功!!!'
#else
    #rest进程存在，杀掉进程
   # echo "mysql服务运行正常...持续监控中"
fi
# time=$(date "+%Y-%m-%d %H:%M:%S")
# echo "本轮监测完毕,当前时间为:"$time
done

    startupApollo.sh 开机启动apollo并监控apollo服务(支持自动重启)

    #!/bin/bash
#author by xiaokai 2019-07-31
#自动重启apollo服务脚本
#count=`ps -ef | grep demo1.sh | grep -v "grep" | wc -l`
#echo $count
#sh demo1.sh>demo1.log &
export JAVA_HOME=/app/jdk1.8.0_211
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH


while true
do
sleep 5
count=`ps -ef | grep 10010 | grep -v "grep" | wc -l`
#echo $count
if [ 0 == $count ]; then
    #进程不存在
    time2=$(date "+%Y-%m-%d %H:%M:%S")
   # echo "mysql服务宕机,正在重新启动"
    echo 'apolloadmin服务宕机，宕机时间为:'$time2>>error.log
    sleep 5
    sh /app/apolloadmin/scripts/startup.sh>>apollo.log 
    sleep 5    
    echo 'apolloadmin重新启动成功!!!'
fi

#检测apolloconfig进程
sleep 1
count2=`ps -ef | grep 10020 | grep -v "grep" | wc -l`
#echo $count
if [ 0 == $count2 ]; then
    #进程不存在
    time2=$(date "+%Y-%m-%d %H:%M:%S")
    echo 'apolloconfig服务宕机，宕机时间为:'$time2>>error.log
    sleep 5
    sh /app/apolloconfig/scripts/startup.sh>>apollo.log
    sleep 5
    echo 'apolloconfig重新启动成功!!!'
fi

#检测apollopor进程
sleep 1
count3=`ps -ef | grep 10030 | grep -v "grep" | wc -l`
#echo $count
if [ 0 == $count3 ]; then
    #进程不存在
    time2=$(date "+%Y-%m-%d %H:%M:%S")
   # echo "mysql服务宕机,正在重新启动"
    echo 'apolloportal服务宕机，宕机时间为:'$time2>>error.log
    sleep 5
    sh /app/apolloportal/scripts/startup.sh>>apollo.log
    sleep 5
    echo 'apolloportal重新启动成功!!!'
fi

#检测haproxy进程
count3=`ps -ef | grep haproxy | grep -v "grep" | wc -l`
#echo $count
if [ 0 == $count3 ]; then
    #进程不存在
    time2=$(date "+%Y-%m-%d %H:%M:%S")
   # echo "haproxy服务宕机,正在重新启动"
    echo 'haproxy服务宕机，宕机时间为:'$time2>>error.log
    sleep 2
    /usr/local/haproxy/sbin/haproxy -f /usr/local/haproxy/conf/haproxy.cnf
    sleep 5
    echo 'haproxy重新启动成功!!!'
fi

done

    setmysql.sh 配置mysql 主主模式脚本

    #!/bin/bash
#author by xiaokai 2019-07-29
#-*- coding:utf-8 -*-

#重启数据库
#echo 'restart mysql1 node...'
#docker restart mysql1
#echo 'restart mysql2 node...'
#docker restart mysql2

echo -e "\e[1;34m connect mysql node1... \n"
echo 'connect mysql node1...'
#数据库ip
HOSTNAME1="172.26.2.114"
#数据库端口
PORT1="3306"
#数据库用户名
USERNAME1="xiaokai"
#数据库密码
PASSWORD1="123456"
#数据库名
DBNAME1="mysql"
#查询语句
select_sql="show master status"
#*#执行查询*
result1=`mysql -h${HOSTNAME1}  -P${PORT1}  -u${USERNAME1} -p${PASSWORD1} ${DBNAME1} -Bse "${select_sql}"`
node1_file_position=`echo ${result1} | awk '{print $1}'` #获取到的第一个值
node1_Postion=`echo ${result1} | awk '{print $2}'` #获取到的第二个值
node1_comtend=`echo ${result1} | awk '{print $n}'` #获取到的第N个值

echo 'node1_file_position:'$node1_file_position
echo 'node1_Postion:'$node1_Postion
echo 'node1_comtend:'$node1_comtend

echo '***************************'
echo 'connect mysql node2...'
#数据库ip
HOSTNAME2="172.26.2.115"
#数据库端口
PORT2="3306"
#数据库用户名
USERNAME2="xiaokai"
#数据库密码
PASSWORD2="123456"
#数据库名
DBNAME2="mysql"
#查询语句
select_sql="show master status"
#*#执行查询*
result2=`mysql -h${HOSTNAME2}  -P${PORT2}  -u${USERNAME2} -p${PASSWORD2} ${DBNAME2} -Bse "${select_sql}"`

node2_file_position=`echo ${result2} | awk '{print $1}'` #获取到的第一个值
node2_Postion=`echo ${result2} | awk '{print $2}'` #获取到的第二个值
node2_comtend=`echo ${result2} | awk '{print $n}'` #获取到的第N个值

echo 'node2_file_position:'$node2_file_position
echo 'node2_Postion:'$node2_Postion
echo 'node2_comtend:'$node2_comtend

#创建同步帐号并授权
create_acount_sql="create user 'xiaokai'@'%' identified by '123456"
`mysql -h${HOSTNAME1}  -P${PORT1}  -u${USERNAME1} -p${PASSWORD1} ${DBNAME1} -Bse "${create_acount_sql}"`
grant_acount_sql="grant all on *.* to 'xiaokai'@'%' identified by '123456'"
`mysql -h${HOSTNAME1}  -P${PORT1}  -u${USERNAME1} -p${PASSWORD1} ${DBNAME1} -Bse "${grant_acount_sql}"`

`mysql -h${HOSTNAME2}  -P${PORT2}  -u${USERNAME2} -p${PASSWORD2} ${DBNAME2} -Bse "${create_acount_sql}"`
`mysql -h${HOSTNAME2}  -P${PORT2}  -u${USERNAME2} -p${PASSWORD2} ${DBNAME2} -Bse "${grant_acount_sql}"`

echo '同步帐号授权完毕'

#配置从节点写入
stop_slave_sql="stop slave"
`mysql -h${HOSTNAME1}  -P${PORT1}  -u${USERNAME1} -p${PASSWORD1} ${DBNAME1} -Bse "${stop_slave_sql}"`
`mysql -h${HOSTNAME2}  -P${PORT2}  -u${USERNAME2} -p${PASSWORD2} ${DBNAME2} -Bse "${stop_slave_sql}"`
#配置node1
change_master_node1="CHANGE MASTER TO MASTER_HOST='${HOSTNAME1}',MASTER_PORT=${PORT1},MASTER_USER='${USERNAME1}',MASTER_PASSWORD='${PASSWORD1}',MASTER_LOG_FILE='${node1_file_position}',MASTER_LOG_POS=${node1_Postion}"
change_master_node2="CHANGE MASTER TO MASTER_HOST='${HOSTNAME2}',MASTER_PORT=${PORT2},MASTER_USER='${USERNAME2}',MASTER_PASSWORD='${PASSWORD2}',MASTER_LOG_FILE='${node2_file_position}',MASTER_LOG_POS=${node2_Postion}"

echo ${change_master_node1}
echo ${change_master_node2}

echo '==============================================='
start_slave_sql="start slave"

`mysql -h${HOSTNAME2}  -P${PORT2}  -u${USERNAME2} -p${PASSWORD2} ${DBNAME2} -Bse "${change_master_node1}"`
sleep 1s
`mysql -h${HOSTNAME2}  -P${PORT2}  -u${USERNAME2} -p${PASSWORD2} ${DBNAME2} -Bse "${start_slave_sql}"`
sleep 1s
`mysql -h${HOSTNAME1}  -P${PORT1}  -u${USERNAME1} -p${PASSWORD1} ${DBNAME1} -Bse "${change_master_node2}"`
sleep 1s
`mysql -h${HOSTNAME1}  -P${PORT1}  -u${USERNAME1} -p${PASSWORD1} ${DBNAME1} -Bse "${start_slave_sql}"`

#回调slave状态
show_slave_sql="show slave status"
slave1_status=`mysql -h${HOSTNAME1}  -P${PORT1}  -u${USERNAME1} -p${PASSWORD1} ${DBNAME1} -Bse "${show_slave_sql}"`
slave_node1_status=`echo ${slave1_status} | awk '{print $n}'`
echo 'node1:'${slave_node1_status}
echo '执行完毕'

echo -e '\e[0m'
#查询语句
#select_sql2='select now()'
#dateResult=`mysql -h${HOSTNAME}  -P${PORT}  -u${USERNAME} -p${PASSWORD} ${DBNAME} -Bse "${select_sql2}"` 
#time2=`echo ${dateResult}|awk '{print $n}'`
#echo 'time:'$time2

    扩充一下：
    也可以通过java去启动shell脚本，代码如下：

    import java.io.IOException;
public class StartApollo {
    public static void main(String[] args) throws IOException, InterruptedException {
        String bashCommand="nohup /root/scripts/init.sh &";
        Runtime runtime =Runtime.getRuntime();
        Process pro = runtime.exec(bashCommand);
        int status = pro.waitFor();
        if (status != 0){
            System.out.println("failed");
            return;
        }
        System.out.println("success");
    }
}

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