#!/bin/bash# Program:#    uninstall ambari automatic# History:#    2014/01/13    -    Ivan    -    2862099249@qq.com    -    First releasePATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/binexport PATH#取得集群的所有主机名，这里需要注意：/etc/hosts配置的IP和主机名只能用一个空格分割hostList=$(cat /etc/hosts | tail -n +3 | cut -d ‘ ‘ -f 2)yumReposDir=/etc/yum.repos.d/alterNativesDir=/etc/alternatives/pingCount=5logPre=TDPread -p "Please input your master hostname: " mastermaster=${master:-"master"}ssh $master "ambari-server stop"#重置ambari数据库ssh $master "ambari-server reset"for host in $hostListdo    #echo $host    #检测主机的连通性    unPing=$(ping $host -c $pingCount | grep ‘Unreachable‘ | wc -l)    if [ "$unPing" == "$pingCount" ]; then        echo -e "$logPre======>$host is Unreachable,please check ‘/etc/hosts‘ file"        continue    fi    echo "$logPre======>$host deleting... \n"    #1.)删除hdp.repo、HDP.repo、HDP-UTILS.repo和ambari.repo    ssh $host "cd $yumReposDir"    ssh $host "rm -rf $yumReposDir/hdp.repo"    ssh $host "rm -rf $yumReposDir/HDP*"    ssh $host "rm -rf $yumReposDir/ambari.repo"        #删除HDP相关的安装包    ssh $host "yum remove -y  sqoop.noarch"    ssh $host "yum remove -y  lzo-devel.x86_64"    ssh $host "yum remove -y  hadoop-libhdfs.x86_64"    ssh $host "yum remove -y  rrdtool.x86_64"    ssh $host "yum remove -y  hbase.noarch"    ssh $host "yum remove -y  pig.noarch"    ssh $host "yum remove -y  lzo.x86_64"     ssh $host "yum remove -y  ambari-log4j.noarch"    ssh $host "yum remove -y  oozie.noarch"    ssh $host "yum remove -y  oozie-client.noarch"    ssh $host "yum remove -y  gweb.noarch"    ssh $host "yum remove -y  snappy-devel.x86_64"    ssh $host "yum remove -y  hcatalog.noarch"    ssh $host "yum remove -y  python-rrdtool.x86_64"    ssh $host "yum remove -y  nagios.x86_64"    ssh $host "yum remove -y  webhcat-tar-pig.noarch"    ssh $host "yum remove -y  snappy.x86_64"    ssh $host "yum remove -y  libconfuse.x86_64"    ssh $host "yum remove -y  webhcat-tar-hive.noarch"    ssh $host "yum remove -y  ganglia-gmetad.x86_64"    ssh $host "yum remove -y  extjs.noarch"    ssh $host "yum remove -y  hive.noarch"    ssh $host "yum remove -y  hadoop-lzo.x86_64"    ssh $host "yum remove -y  hadoop-lzo-native.x86_64"    ssh $host "yum remove -y  hadoop-native.x86_64"    ssh $host "yum remove -y  hadoop-pipes.x86_64"    ssh $host "yum remove -y  nagios-plugins.x86_64"    ssh $host "yum remove -y  hadoop.x86_64"    ssh $host "yum remove -y  zookeeper.noarch"       ssh $host "yum remove -y  hadoop-sbin.x86_64"    ssh $host "yum remove -y  ganglia-gmond.x86_64"    ssh $host "yum remove -y  libganglia.x86_64"    ssh $host "yum remove -y  perl-rrdtool.x86_64"    ssh $host "yum remove -y  epel-release.noarch"    ssh $host "yum remove -y  compat-readline5*"    ssh $host "yum remove -y  fping.x86_64"    ssh $host "yum remove -y  perl-Crypt-DES.x86_64"    ssh $host "yum remove -y  exim.x86_64"    ssh $host "yum remove -y ganglia-web.noarch"    ssh $host "yum remove -y perl-Digest-HMAC.noarch"    ssh $host "yum remove -y perl-Digest-SHA1.x86_64"    ssh $host "yum remove -y bigtop-jsvc.x86_64"        #删除快捷方式    ssh $host "cd $alterNativesDir"    ssh $host "rm -rf hadoop-etc"     ssh $host "rm -rf zookeeper-conf"    ssh $host "rm -rf hbase-conf"     ssh $host "rm -rf hadoop-log"     ssh $host "rm -rf hadoop-lib"    ssh $host "rm -rf hadoop-default"     ssh $host "rm -rf oozie-conf"    ssh $host "rm -rf hcatalog-conf"     ssh $host "rm -rf hive-conf"    ssh $host "rm -rf hadoop-man"    ssh $host "rm -rf sqoop-conf"    ssh $host "rm -rf hadoop-confone"    #删除用户    ssh $host "userdel -rf nagios"    ssh $host "userdel -rf hive"    ssh $host "userdel -rf ambari-qa"    ssh $host "userdel -rf hbase"    ssh $host "userdel -rf oozie"    ssh $host "userdel -rf hcat"    ssh $host "userdel -rf mapred"    ssh $host "userdel -rf hdfs"    ssh $host "userdel -rf rrdcached"    ssh $host "userdel -rf zookeeper"    ssh $host "userdel -rf sqoop"    ssh $host "userdel -rf puppet"    ssh $host "userdel -rf flume"    ssh $host "userdel -rf tez"    ssh $host "userdel -rf yarn"    #删除文件夹    ssh $host "rm -rf /hadoop"    ssh $host "rm -rf /etc/hadoop"     ssh $host "rm -rf /etc/hbase"    ssh $host "rm -rf /etc/hcatalog"     ssh $host "rm -rf /etc/hive"    ssh $host "rm -rf /etc/ganglia"     ssh $host "rm -rf /etc/nagios"    ssh $host "rm -rf /etc/oozie"    ssh $host "rm -rf /etc/sqoop"    ssh $host "rm -rf /etc/zookeeper"     ssh $host "rm -rf /var/run/hadoop"     ssh $host "rm -rf /var/run/hbase"    ssh $host "rm -rf /var/run/hive"    ssh $host "rm -rf /var/run/ganglia"     ssh $host "rm -rf /var/run/nagios"    ssh $host "rm -rf /var/run/oozie"    ssh $host "rm -rf /var/run/zookeeper"    ssh $host "rm -rf /var/log/hadoop"    ssh $host "rm -rf /var/log/hbase"    ssh $host "rm -rf /var/log/hive"    ssh $host "rm -rf /var/log/nagios"     ssh $host "rm -rf /var/log/oozie"    ssh $host "rm -rf /var/log/zookeeper"     ssh $host "rm -rf /usr/lib/hadoop"    ssh $host "rm -rf /usr/lib/hbase"    ssh $host "rm -rf /usr/lib/hcatalog"     ssh $host "rm -rf /usr/lib/hive"    ssh $host "rm -rf /usr/lib/oozie"    ssh $host "rm -rf /usr/lib/sqoop"    ssh $host "rm -rf /usr/lib/zookeeper"     ssh $host "rm -rf /var/lib/hive"    ssh $host "rm -rf /var/lib/ganglia"     ssh $host "rm -rf /var/lib/oozie"    ssh $host "rm -rf /var/lib/zookeeper"    ssh $host "rm -rf /var/tmp/oozie"    ssh $host "rm -rf /tmp/hive"    ssh $host "rm -rf /tmp/nagios"     ssh $host "rm -rf /tmp/ambari-qa"     ssh $host "rm -rf /tmp/sqoop-ambari-qa"    ssh $host "rm -rf /var/nagios"    ssh $host "rm -rf /hadoop/oozie"    ssh $host "rm -rf /hadoop/zookeeper"    ssh $host "rm -rf /hadoop/mapred"    ssh $host "rm -rf /hadoop/hdfs"    ssh $host "rm -rf /tmp/hadoop-hive"     ssh $host "rm -rf /tmp/hadoop-nagios"     ssh $host "rm -rf /tmp/hadoop-hcat"    ssh $host "rm -rf /tmp/hadoop-ambari-qa"     ssh $host "rm -rf /tmp/hsperfdata_hbase"    ssh $host "rm -rf /tmp/hsperfdata_hive"    ssh $host "rm -rf /tmp/hsperfdata_nagios"    ssh $host "rm -rf /tmp/hsperfdata_oozie"    ssh $host "rm -rf /tmp/hsperfdata_zookeeper"    ssh $host "rm -rf /tmp/hsperfdata_mapred"    ssh $host "rm -rf /tmp/hsperfdata_hdfs"    ssh $host "rm -rf /tmp/hsperfdata_hcat"    ssh $host "rm -rf /tmp/hsperfdata_ambari-qa"    #删除ambari相关包    ssh $host "yum remove -y ambari-*"    ssh $host "yum remove -y postgresql"    ssh $host "rm -rf /var/lib/ambari*"    ssh $host "rm -rf /var/log/ambari*"    ssh $host "rm -rf /etc/ambari*"    echo "$logPre======>$host is done! \n"done