hadoop -- 搭建集群小工具

#!/bin/bash

# 创建必备文件夹
if [ ! -e /home/soft/ ];then mkdir -p /home/soft/;fi

# 修改主机映射
sethosts(){
names=()
ips=()
x=0
while [ 1 -eq 1 ]
do
read -p "输入0结束,请输入第$[$x+1]个ip --> " ip
if [ "$ip" == "0" ];then break;fi
ips[$x]=$ip
let x++
done


for (( i=0;i<${#ips[*]};i++ ))
do
read -p "请输入${ips[$i]}对应的主机名 --> " name
echo -e "${ips[$i]}	${name}" >> /etc/hosts
done

echo ------------------------------------
cat /etc/hosts
echo -----------------------------------

}

# 卸载软件
uninstall(){
 rpm -qa | grep "$1" > /home/soft/"$1".tmp.txt
        while [ 1 -eq 1 ]
        do
                a=`head -n 1 /home/soft/"$1".tmp.txt`
                if [ "$a" == "" ];then break;rm -rf /home/soft/"$1".tmp.txt;fi
                rpm -e --nodeps "$a"
                sed -i '/'"$a"'/d' /home/soft/"$1".tmp.txt
        done
    rm -rf /home/soft/"$1".tmp.txt
        echo "-------uninstall--${1}--OK.--------"

}

# 设置环境变量
setprofile(){
read -p "Enter your java-home --> " JAVA_HOME
read -p "Enter your hadoop-home --> " HADOOP_HOME
read -p "Enter your zookeeper-home --> " ZOOKEEPER_HOME
echo '
export JAVA_HOME='"${JAVA_HOME}"'
export JRE_HOME='"${JAVA_HOME}/jre"'
export HADOOP_HOME='"${HADOOP_HOME}"'
export ZOOKEEPER_HOME='"${ZOOKEEPER_HOME}"'
export PATH=$JAVA_HOME/bin:$JRE_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$ZOOKEEPER_HOME/bin:$PATH
export CLASSPATH=$JAVA_HOME/lib:$JRE_HOME/lib:$CLASSPATH' >> /etc/profile

}

# 设置ip
setip(){

grep 'eth1' /etc/udev/rules.d/70-persistent-net.rules
if [ $? -eq 0 ];then
        sed -i '/eth0/d;/^$/d;/#/d'  /etc/udev/rules.d/70-persistent-net.rules
        sed -i 's/eth1/eth0/' /etc/udev/rules.d/70-persistent-net.rules
fi

mac=`awk -F"," '{print $4}' /etc/udev/rules.d/70-persistent-net.rules | awk -F""" '{print $2}'`
sed -i 's/HWADDR=.*/'"HWADDR=${mac}"'/' /etc/sysconfig/network-scripts/ifcfg-eth0

read -p "请输入ip --> " ip
sed -i 's/IPADDR=.*/IPADDR='"$ip"'/' /etc/sysconfig/network-scripts/ifcfg-eth0
echo -------------------------------------------
cat /etc/sysconfig/network-scripts/ifcfg-eth0
echo ------------------------------------------
}

# 设置 mac
setmac(){

grep 'eth1' /etc/udev/rules.d/70-persistent-net.rules
if [ $? -eq 0 ];then
    sed -i '/eth0/d;/^$/d;/#/d'  /etc/udev/rules.d/70-persistent-net.rules
        sed -i 's/eth1/eth0/' /etc/udev/rules.d/70-persistent-net.rules
fi
cat /etc/udev/rules.d/70-persistent-net.rules
}

# 主菜单
main(){
while [ 1 -eq 1 ]
do
read -p "

+-------------------------------------------------------+-----------------------+
|                      Linux--Tools            by:curry                   |
+-----------------------------+-------------------------+-----------------------+
| 1. 修改主机名             | a1. 卸载--jdk        | b1. 格式化 hdfs    |
| 2. 修改ip                 | a2. see--jdk        | b2. 开启 hdfs        |
| 3. 修改mac            | a3. 卸载--mysql            | b3. 开启 yarn        |
| 4. 修改主机映射        | a4. see--mysql        | b4. 开启 zookeeper    |
| 5. 关闭防火墙及开机自启   | a5. set--环境变量        | b5. 开启 journalnode    |
| 6. 网络服务及开机自启     | a6. set--ssh免密        | b6. 格式化 zookeeper    |
| 7. reboot                | a7. test--安装mysql    |            |
+-----------------------------+-------------------------+-----------------------+
| e1. edit--ip            | f1. 发送--ssh授权文件    | g1. 查--yum        |
| e2. edit--mac            | f2. 发送--hosts        | g2. 查--rpm        |
| e3. edit--hosts        | f3. 发送--profile        | g3. 安装--yum        |
| e4. edit--hostname        | f4. 追加ssh-->授权文件    | g4. 卸载--rpm        |
| e5. edit--profile        |                 |             |
+-----------------------------+-------------------------+-----------------------+
| 0. 退出    e. 编辑本文件                         |            |
+-----------------------------+-------------------------+-----------------------+

 " flag
case $flag in
f4)
    cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
;;
g4)
    read -p "请输入程序名 --> " word
    rpm -e --nodeps "${word}"
;;
g3)
    read -p "请输入安装包名称 --> " priword
    yum install -y "${priword}"
;;
g2)
    
    read -p "请输入关键字 --> " priword
    rpm -qa | grep "${priword}"
;;
g1)
    read -p "请输入关键字 --> " priword
    yum search ${priword} | grep "${priword}" --color
;;
f3)
    read -p "请输入接受主机名或主机ip --> " flag
    scp -r /etc/profile ${flag}:/etc/
;;
f2)
    read -p "请输入接受主机名或主机ip --> " flag
    scp -r /etc/hosts ${flag}:/etc/
;;
f1)
    read -p "请输入接受主机名或主机ip --> " flag
    scp -r ~/.ssh/authorized_keys ${flag}:~/.ssh/
;;
e5)
    vim /etc/profile
;;
e4)
    vim /etc/sysconfig/network
;;
e3)
    vim /etc/hosts
;;
e2)
    vim /etc/udev/rules.d/70-persistent-net.rules
;;
e1)
    vim /etc/sysconfig/network-scripts/ifcfg-eth0
;;
e)
    vim /home/tools/curry.sh
;;
b6)
    hdfs zkfc -formatZK
;;
b5)
    hadoop-daemon.sh start journalnode
;;
b4)
    zkServer.sh start
;;
b3)
    start-yarn.sh
;;
b2)
    start-dfs.sh
;;
b1)
    hdfs namenode -format
;;
a7)
    yum install -y mysql.x86_64
;;
a6)
    rm -rf ~/.ssh/*
    ssh-keygen -t rsa;
    cat /root/.ssh/id_rsa.pub >> /root/.ssh/authorized_keys
    echo -----------------------------
    cat /root/.ssh/authorized_keys
    echo ----------------------------
;;
a5)
    setprofile
;;
a4)
    rpm -qa | grep "mysql"    
;;
a3)
    uninstall "mysql"
;;
a2)
    rpm -qa | grep jdk
;;
a1)
    uninstall "java"
;;
0)
    echo -e "
再见
"; break
;;
1)
    read -p "请设置主机名 --> " hostname
    sed -i 's/HOSTNAME=.*/HOSTNAME='"$hostname"'/' /etc/sysconfig/network
    cat /etc/sysconfig/network | grep "HOSTNAME"
;;
2)
    setip
;;
3)
    setmac
;;
4)
    sethosts
;;
5)
    service iptables stop
    chkconfig iptables off
;;
6)
    service network stop
    service network start
    chkconfig network on    
;;
7)
    reboot
;;
*)
echo "没长眼吗? 看好再输入,OK?"
;;
esac
done
}




main