#!/bin/bash

# Program:

#    uninstall ambari automatic

PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin

export PATH

#取得集群的所有主机名，这里需要注意：/etc/hosts配置的IP和主机名只能用制表符，cut默认分割符，其他情况参考注释行

#hostList=$(cat /etc/hosts | tail -n + | cut -d ' ' -f )

hostList=$(cat /etc/hosts | tail -n + | cut -f )

yumReposDir=/etc/yum.repos.d/

alterNativesDir=/etc/alternatives/

pingCount=

logPre=HDP

read -p "Please input your master hostname: " master

master=${master:-"master"}

ssh $master "ambari-server stop"

#重置ambari数据库

ssh $master "ambari-server reset"

for host in $hostList

do

    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"

    #.)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"

    # 删除相关用户

    ssh $host "python /usr/lib/ambari-agent/lib/ambari_agent/HostCleanup.py --silent"

    # 删除HDP相关的安装包

    hdppackagelist=$(yum list installed | grep HDP | cut -d ' ' -f )

    for package in $hdppackagelist

    do

       echo "uninstalling $package"

       ssh $host "yum remove -y $package"

    done

    # 删除ambari相关安装包

    ambaripackagelist=$(yum list installed | grep ambari | cut -d ' ' -f )

    for package in $ambaripackagelist

    do

      echo "uninstalling $package"

      ssh $host "yum remove -y $package"

    done

     # 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"

     # 删除日志文件

    ssh $host "rm -rf /var/log/ambari*"

    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 /var/log/falcon"

    ssh $host "rm -rf /var/log/flume"

    ssh $host "rm -rf /var/log/hive*"

    ssh $host "rm -rf /var/log/knox"

    ssh $host "rm -rf /var/log/solr"

    ssh $host "rm -rf /var/log/hst"

    # 删除hadoop文件夹，包括HDFS数据

    ssh $host "rm -rf /hadoop"

    ssh $host "rm -rf /hdfs/hadoop"

    ssh $host "rm -rf /hdfs/lost+found"

    ssh $host "rm -rf /hdfs/var"

    ssh $host "rm -rf /local/opt/hadoop"

    ssh $host "rm -rf /tmp/hadoop"

    ssh $host "rm -rf /usr/bin/hadoop"

    ssh $host "rm -rf /usr/hdp"

    ssh $host "rm -rf /var/hadoop"

     # 删除所有节点上的配置文件夹

    ssh $host "rm -rf /etc/ambari-agent"

    ssh $host "rm -rf /etc/ambari-metrics-grafana"

    ssh $host "rm -rf /etc/ambari-server"

    ssh $host "rm -rf /etc/ams-hbase"

    ssh $host "rm -rf /etc/falcon"

    ssh $host "rm -rf /etc/flume"

    ssh $host "rm -rf /etc/hadoop"

    ssh $host "rm -rf /etc/hadoop-httpfs"

    ssh $host "rm -rf /etc/hbase"

    ssh $host "rm -rf /etc/hive"

    ssh $host "rm -rf /etc/hive-hcatalog"

    ssh $host "rm -rf /etc/hive-webhcat"

    ssh $host "rm -rf /etc/hive2"

    ssh $host "rm -rf /etc/hst"

    ssh $host "rm -rf /etc/knox"

    ssh $host "rm -rf /etc/livy"

    ssh $host "rm -rf /etc/mahout"

    ssh $host "rm -rf /etc/oozie"

    ssh $host "rm -rf /etc/phoenix"

    ssh $host "rm -rf /etc/pig"

    ssh $host "rm -rf /etc/ranger-admin"

    ssh $host "rm -rf /etc/ranger-usersync"

    ssh $host "rm -rf /etc/spark2"

    ssh $host "rm -rf /etc/tez"

    ssh $host "rm -rf /etc/tez_hive2"

    ssh $host "rm -rf /etc/zookeeper"

    # 删除所有节点上的PID

    ssh $host "rm -rf /var/run/ambari-agent"

    ssh $host "rm -rf /var/run/ambari-metrics-grafana"

    ssh $host "rm -rf /var/run/ambari-server"

    ssh $host "rm -rf /var/run/falcon"

    ssh $host "rm -rf /var/run/flume"

    ssh $host "rm -rf /var/run/hadoop"

    ssh $host "rm -rf /var/run/hadoop-mapreduce"

    ssh $host "rm -rf /var/run/hadoop-yarn"

    ssh $host "rm -rf /var/run/hbase"

    ssh $host "rm -rf /var/run/hive"

    ssh $host "rm -rf /var/run/hive-hcatalog"

    ssh $host "rm -rf /var/run/hive2"

    ssh $host "rm -rf /var/run/hst"

    ssh $host "rm -rf /var/run/knox"

    ssh $host "rm -rf /var/run/oozie"

    ssh $host "rm -rf /var/run/webhcat"

    ssh $host "rm -rf /var/run/zookeeper" 

    # 删除所有节点上的库文件

    ssh $host "rm -rf /usr/lib/ambari-agent"

    ssh $host "rm -rf /usr/lib/ambari-infra-solr-client"

    ssh $host "rm -rf /usr/lib/ambari-metrics-hadoop-sink"

    ssh $host "rm -rf /usr/lib/ambari-metrics-kafka-sink"

    ssh $host "rm -rf /usr/lib/ambari-server-backups"

    ssh $host "rm -rf /var/lib/ambari-agent"

    ssh $host "rm -rf /var/lib/ambari-metrics-grafana"

    ssh $host "rm -rf /var/lib/ambari-server"

    ssh $host "rm -rf /usr/lib/ams-hbase"

    ssh $host "rm -rf /var/lib/flume"

    ssh $host "rm -rf /var/lib/hadoop-hdfs"

    ssh $host "rm -rf /var/lib/hadoop-mapreduce"

    ssh $host "rm -rf /var/lib/hadoop-yarn"

    ssh $host "rm -rf /var/lib/hive"

    ssh $host "rm -rf /var/lib/hive2"

    ssh $host "rm -rf /var/lib/knox"

    ssh $host "rm -rf /var/lib/smartsense"

    ssh $host "rm -rf /var/lib/storm"

    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/oozie"

    ssh $host "rm -rf /usr/lib/zookeeper"

    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 /var/nagios"

    # 删除临时文件

    echo "删除临时文件..."

    ssh $host "rm -rf /tmp/*"

    # 删除所有节点上的符号链接

    ssh $host "rm -rf accumulo"

    ssh $host "rm -rf atlas-start"

    ssh $host "rm -rf atlas-stop"

    ssh $host "rm -rf beeline"

    ssh $host "rm -rf falcon"

    ssh $host "rm -rf flume-ng"

    ssh $host "rm -rf hbase"

    ssh $host "rm -rf hcat"

    ssh $host "rm -rf hdfs"

    ssh $host "rm -rf hive"

    ssh $host "rm -rf hiveserver2"

    ssh $host "rm -rf kafka"

    ssh $host "rm -rf mahout"

    ssh $host "rm -rf /usr/bin/mapred"

    ssh $host "rm -rf /usr/bin/oozie"

    ssh $host "rm -rf /usr/bin/oozied.sh"

    ssh $host "rm -rf /usr/bin/phoenix-psql"

    ssh $host "rm -rf /usr/bin/phoenix-queryserver"

    ssh $host "rm -rf /usr/bin/phoenix-sqlline"

    ssh $host "rm -rf /usr/bin/phoenix-sqlline-thin"

    ssh $host "rm -rf /usr/bin/pig"

    ssh $host "rm -rf /usr/bin/python-wrap"

    ssh $host "rm -rf /usr/bin/ranger-admin"

    ssh $host "rm -rf /usr/bin/ranger-admin-start"

    ssh $host "rm -rf /usr/bin/ranger-admin-stop"

    ssh $host "rm -rf /usr/bin/ranger-kms"

    ssh $host "rm -rf /usr/bin/ranger-usersync"

    ssh $host "rm -rf /usr/bin/ranger-usersync-start"

    ssh $host "rm -rf /usr/bin/ranger-usersync-stop"

    ssh $host "rm -rf /usr/bin/slider"

    ssh $host "rm -rf /usr/bin/sqoop"

    ssh $host "rm -rf /usr/bin/sqoop-codegen"

    ssh $host "rm -rf /usr/bin/sqoop-create-hive-table"

    ssh $host "rm -rf /usr/bin/sqoop-eval"

    ssh $host "rm -rf /usr/bin/sqoop-export"

    ssh $host "rm -rf /usr/bin/sqoop-help"

    ssh $host "rm -rf /usr/bin/sqoop-import"

    ssh $host "rm -rf /usr/bin/sqoop-import-all-tables"

    ssh $host "rm -rf /usr/bin/sqoop-job"

    ssh $host "rm -rf /usr/bin/sqoop-list-databases"

    ssh $host "rm -rf /usr/bin/sqoop-list-tables"

    ssh $host "rm -rf /usr/bin/sqoop-merge"

    ssh $host "rm -rf /usr/bin/sqoop-metastore"

    ssh $host "rm -rf /usr/bin/sqoop-version"

    ssh $host "rm -rf /usr/bin/storm"

    ssh $host "rm -rf /usr/bin/storm-slider"

    ssh $host "rm -rf /usr/bin/worker-lanucher"

    ssh $host "rm -rf /usr/bin/yarn"

    ssh $host "rm -rf /usr/bin/zookeeper-client"

    ssh $host "rm -rf /usr/bin/zookeeper-server"

    ssh $host "rm -rf /usr/bin/zookeeper-server-cleanup"

    # 删除数据库

    ssh $host "yum remove -y postgresql"

    ssh $host "rm -rf /var/lib/pgsql"

    # 删除ambari相关包

    # ssh $host "yum remove -y ambari-*"

    # ssh $host "rm -rf /var/lib/ambari*"

    echo "$logPre======>$host is done! \n"

done

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