【快捷部署】021_Hadoop（3.3.2）
#!/bin/bash
#################################################################################
# 作者：cxy@toc 2024-04-17
# 功能：快捷部署 Hadoop
# 说明：
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info(){
echo -e "\033[34m 【`date '+%Y-%m-%d %H:%M:%S'`】\033[0m" "\033[35m$1\033[0m "
}
proj_base_name=cxy
# 安装JDK
install_jdk(){
mkdir -p /${proj_base_name}/bao
mkdir -p /${proj_base_name}/jdk
cd /${proj_base_name}/bao
wget https://repo.huaweicloud.com/java/jdk/8u151-b12/jdk-8u151-linux-x64.tar.gz
tar xf /${proj_base_name}/bao/jdk-8u151-linux-x64.tar.gz -C /${proj_base_name}/jdk
cat >> /etc/profile <<EOF
export JAVA_HOME=/${proj_base_name}/jdk/jdk1.8.0_151
export JRE_HOME=\${JAVA_HOME}/jre
export CLASSPATH=.:\${JAVA_HOME}/lib:\${JRE_HOME}/lib
export PATH=.:\${JAVA_HOME}/bin:\$PATH
EOF
source /etc/profile
info "JDK部署完毕 ..."
}
#自定义配置文件
diy_custom_config(){
cd /${proj_base_name}/hadoop/hadoop-3.3.2
#备份要改动的文件
cp etc/hadoop/hadoop-env.sh etc/hadoop/hadoop-env.sh.bak
cp etc/hadoop/core-site.xml etc/hadoop/core-site.xml.bak
cp etc/hadoop/hdfs-site.xml etc/hadoop/hdfs-site.xml.bak
#修改 hadoop-env.sh
sed -i '42aexport JAVA_HOME='/${proj_base_name}/jdk'/jdk1.8.0_151' etc/hadoop/hadoop-env.sh
#修改 core-site.xml
rm -f etc/hadoop/core-site.xml
touch etc/hadoop/core-site.xml
cat >> etc/hadoop/core-site.xml <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://localhost:9000</value>
</property>
<!-- 数据存储目录 -->
<property>
<name>hadoop.tmp.dir</name>
<value>/${proj_base_name}/hadoop/data/tmp</value>
</property>
<property>
<name>hadoop.http.staticuser.user</name>
<value>root</value>
</property>
</configuration>
EOF
#修改 hdfs-site.xml
rm -f etc/hadoop/hdfs-site.xml
touch etc/hadoop/hdfs-site.xml
cat >> etc/hadoop/hdfs-site.xml <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:/${proj_base_name}/hadoop/data/hdfs/name</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:/${proj_base_name}/hadoop/data/hdfs/data</value>
</property>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
</configuration>
EOF
}
# 部署Hadoop（Standalone）
install_Hadoop(){
mkdir /${proj_base_name}/hadoop
cd /${proj_base_name}/bao
wget https://repo.huaweicloud.com/apache/hadoop/common/hadoop-3.3.2/hadoop-3.3.2.tar.gz --no-check-certificate
tar zxvf hadoop-3.3.2.tar.gz -C /${proj_base_name}/hadoop
cat >> /etc/profile <<EOF
#Hadoop
export HADOOP_HOME=/${proj_base_name}/hadoop/hadoop-3.3.2
export PATH=\$PATH:\$HADOOP_HOME/bin
export PATH=\$PATH:\$HADOOP_HOME/sbin
export HDFS_NAMENODE_USER=root
export HDFS_DATANODE_USER=root
export HDFS_SECONDARYNAMENODE_USER=root
export YARN_RESOURCEMANAGER_USER=root
export YARN_NODEMANAGER_USER=root
EOF
source /etc/profile
hadoop version
diy_custom_config
#配置免密登录
ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
chmod 0600 ~/.ssh/authorized_keys
# 初始化文件系统
bin/hdfs namenode -format
# 启动服务
sbin/start-dfs.sh
info "安装完成，访问：http://$(curl ifconfig.me/ip):9870/"
}
install_jdk
install_Hadoop