SHELL训练营--day30_shell练习91-95
发布时间：2020-12-15 18:22:54 所属栏目：安全 来源：网络整理
导读：#部署mysql主从 #!/bin/bash master_ip=192.168.100.12 slave_ip=192.168.100.13 mysqlc="mysql -uroot -psincethen" check_ok() { if [ $? -ne 0 ] then echo "$1 出错了" exit 1 fi } f_exist() { d=`date +%F%T` if [ -f $1 ] then mv $1 $1_$d fi } if !
#部署mysql主从 #!/bin/bash master_ip=192.168.100.12 slave_ip=192.168.100.13 mysqlc="mysql -uroot -psincethen" check_ok() { if [ $? -ne 0 ] then echo "$1 出错了" exit 1 fi } f_exist() { d=`date +%F%T` if [ -f $1 ] then mv $1 $1_$d fi } if ! grep ‘^server-id‘ /etc/my.cnf then sed -i ‘/^[mysqld]$/aserver-id = 1001‘ /etc/my.cnf fi if !grep ‘^log-bin.*=.*‘ /etc/my.cnf then sed -i ‘/^[mysqld]$/alog-bin = aminglinux‘ /etc/my.cnf fi sed -i ‘/^log-bin.*/abinlog-ignore-db = mysql‘ /etc/my.cnf /etc/init.d/mysqld restart check_ok "请重启mysql主服务器" $mysqlc <<EOF grant replication slave on *.* to ‘repl‘@$slave_ip identified by "password"; flush tables with read lock; EOF $mysqlc -e "show master status;" > /tmp/master.log file=`tail -l /tmp/master.log |awk ‘{print $1}‘` pos=`tail -l /tmp/master.log |awk ‘{print $2}‘` f_exist /tmp/slave.sh cat > /tmp/slave.sh <<EOF #!/bin/bash if ! grep ‘^server-id‘ /etc/my.cnf then sed -i ‘/^[mysqld]$/aserver-id = 1002‘ /etc/my.cnf fi /etc/init.d/mysqld restart check_ok "从服务器重启mysql" $mysqlc <<EiF stop slave; change master to master_host="$master_ip",master_user="repl",master_password="password",master_log_file="$file",master_log_pos=$pos; start slave; EiF EOF f_exist /tmp/rs_slave.expect cat > /tmp/rs_slave.expect <<EOF set passwd "sincethen" spawn rsync -a /tmp/slave.sh [email?protected]_ip:/tmp/slave.sh expect { "yes/no" { send "yesr" } "password:" { send "$passwdr" } } expect eof EOF chmod +x /tmp/rs_slave.expect /tmp/rs_slave.expect check_ok "传输slave.sh" f_exist /tmp/exe.expect cat > /tmp/exe.expect <<EOF #!/usr/bin/expect set passwd "sincethen" spawn ssh [email?protected]$slave_ip expect { "yes/no" { send "yesr" } "password:" { send "$passwdr" } } expect "=]*" send "/bin/bash /tmp/slave.shr" expect "]*" send "exitr" EOF chmod +x /tmp/exe.expect /tmp/exe.expect check_ok "远程执行slave.sh" $mysqlc -e "unlock tables;" #管理docker #!/bin/bash while true do read -p "请输入你要执行的操作：(stop|start|rm)" opt if [ -z "$opt" ] then echo "请输入操作" continue else break fi done docker ps -a |awk ‘{print $1}‘ > /tmp/id.txt case $opt in stop) for id in `cat /tmp/id.txt` do docker stop $id done ;; start) for id in `cat /tmp/id.txt` do docker start $id done ;; rm) for id in `cat /tmp/id.txt` do read -p "将要删除容器$id,是否继续？(y|n)" c case $c in y|Y) docker rm -f $id ;; n|N) echo "容器$id不删除。" ;; *) echo "只能输入‘y‘或‘n‘." ;; esac done ;; *) echo "请输入 start|stop|rm." ;; case #安装samba #!/bin/bash if [ "$#" -ne 1 ] then echo "运行脚本的格式为：$0 /dir/" exit 1 else if ! echo $1 |grep -q ‘^/.*‘ then echo "请提供一个绝对路径。" exit 1 fi fi if ! rpm -q samba >/dev/null then echo "将要安装samba" sleep 1 yum install -y samba if [ $? -ne 0 ] then echo "samba安装失败。" exit 1 fi fi cnfdir="/etc/samba/smb.conf" cat >> $cnfdir <<EOF [share] comment = share all path = $1 browseable = yes public = yes writable = no EOF if [ ! -d $1 ] then mkdir -p $1 fi chmod 777 $1 echo "test" > $1/test.txt systemctl start smb if [ $? -ne 0 ] then echo "samba 服务启动失败，请检查脚本。" else echo "samba 服务启动成功。" fi #批量查看多台机器负载 #!/bin/bash for ip in `cat /tmp/ip.list` do echo $ip ssh $ip "uptime" done #自动挂载云盘 #!/bin/bash if [ $# -ne 2 ] then echo "Useage $0 盘符 挂载点,如： $0 /dev/xvdb /data" exit 1 fi if [ ! -b $1 ] then echo "你提供的盘符不对，请检查。" exit 1 fi echo "格式化$1" mkfs -t ext4 $1 if [ ! -d $2 ] then mkdir -p $2 fi n=`awk ‘$NF == "$2"‘ /etc/fstab|wc -l` if [ $n -eq 0 ] then echo "$1 $2 ext4 default 0 0" >> /etc/fstab mount -a else echo "配置文件/etc/fstab已存在挂载点$2,请检查。" exit 1 fi
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