sshpass和做软链接

参考:

https://help.aliyun.com/document_detail/54530.html?spm=5176.11065259.1996646101.searchclickresult.d5d847dbBVUcQJ&aly_as=SCLlYD_p#title-k89-hb2-5zf

-L file #测试file是否为符号化(软)链接
$# 默认参数是否符合，不符合提示

sh deploy.sh <master_ip> master_password_file
deploy.sh：脚本名称，内容见下面代码。
master_ip：集群的 Master 节点的 IP，请确保可以访问。
master_password_file：保存 Master 节点的密码文件，将 Master 节点的密码直接写在文件内即可。

#!/usr/bin/bash
if [ $# != 2 ]
then
echo "Usage: $0 master_ip master_password_file"
exit 1;
fi
masterip=$1
masterpwdfile=$2
if ! type sshpass >/dev/null 2>&1; then
yum install -y sshpass
fi
if ! type java >/dev/null 2>&1; then
yum install -y java-1.8.0-openjdk
fi
mkdir -p /opt/apps
mkdir -p /etc/ecm
mkdir -p /usr/lib/bigboot-current/conf
echo "Start to copy package from $masterip to local gateway(/opt/apps)"
echo " -copying hadoop-2.7.2"
sshpass -f $masterpwdfile scp -r -o 'StrictHostKeyChecking no' root@$masterip:/usr/lib/hadoop-current /opt/apps/
echo " -copying hive-2.0.1"
sshpass -f $masterpwdfile scp -r root@$masterip:/usr/lib/hive-current /opt/apps/
echo " -copying spark-2.1.1"
sshpass -f $masterpwdfile scp -r root@$masterip:/usr/lib/spark-current /opt/apps/
echo "Start to link /usr/lib/\${app}-current to /opt/apps/\${app}"
if [ -L /usr/lib/hadoop-current ]
then
unlink /usr/lib/hadoop-current
fi
ln -s /opt/apps/hadoop-current /usr/lib/hadoop-current
if [ -L /usr/lib/hive-current ]
then
unlink /usr/lib/hive-current
fi
ln -s /opt/apps/hive-current /usr/lib/hive-current
if [ -L /usr/lib/spark-current ]
then
unlink /usr/lib/spark-current
fi
ln -s /opt/apps/spark-current /usr/lib/spark-current
echo "Start to copy conf from $masterip to local gateway(/etc/ecm)"
sshpass -f $masterpwdfile scp -r root@$masterip:/etc/ecm/hadoop-conf /etc/ecm/hadoop-conf
sshpass -f $masterpwdfile scp -r root@$masterip:/etc/ecm/hive-conf /etc/ecm/hive-conf
sshpass -f $masterpwdfile scp -r root@$masterip:/etc/ecm/spark-conf /etc/ecm/spark-conf
echo "Start to copy environment from $masterip to local gateway(/etc/profile.d)"
sshpass -f $masterpwdfile scp root@$masterip:/etc/profile.d/hdfs.sh /etc/profile.d/
sshpass -f $masterpwdfile scp root@$masterip:/etc/profile.d/yarn.sh /etc/profile.d/
sshpass -f $masterpwdfile scp root@$masterip:/etc/profile.d/hive.sh /etc/profile.d/
sshpass -f $masterpwdfile scp root@$masterip:/etc/profile.d/spark.sh /etc/profile.d/
sshpass -f $masterpwdfile scp root@$masterip:/usr/lib/bigboot-current/conf/smartdata-site.xml /usr/lib/bigboot-current/conf/
if [ -L /usr/lib/jvm/java ]
then
unlink /usr/lib/jvm/java
fi
echo "" >>/etc/profile.d/hdfs.sh
echo export JAVA_HOME=/usr/lib/jvm/jre-1.8.0 >>/etc/profile.d/hdfs.sh
echo "Start to copy host info from $masterip to local gateway(/etc/hosts)"
sshpass -f $masterpwdfile scp root@$masterip:/etc/hosts /etc/hosts_bak
cat /etc/hosts_bak | grep emr | grep cluster >>/etc/hosts
if ! id hadoop >& /dev/null
then
useradd hadoop
fi