#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 '/^\[mysqld\]$/a\server-id = 1001' /etc/my.cnf
fi
if !grep '^log-bin.*=.*' /etc/my.cnf
then
sed -i '/^\[mysqld\]$/a\log-bin = aminglinux' /etc/my.cnf
fi
sed -i '/^log-bin.*/a\binlog-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 '/^\[mysqld\]$/a\server-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 root@slave_ip:/tmp/slave.sh
expect {
"yes/no" { send "yes\r" }
"password:" { send "\$passwd\r" }
}
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 root@$slave_ip
expect {
"yes/no" { send "yes\r" }
"password:" { send "\$passwd\r" }
}
expect "=]*"
send "/bin/bash /tmp/slave.sh\r"
expect "]*"
send "exit\r"
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
SHELL训练营--day30_shell练习91-95
猜你喜欢
转载自blog.51cto.com/sincethen/2347432
今日推荐
周排行