install/installer/tools/traf_cloudera_uninstall_suse

#!/bin/bash
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# This script will uninstall Cloudera and all its pieces

#==============================================

echo "***INFO: Shutdown Cloudera Manager agents on all nodes"
sudo /sbin/service cloudera-scm-agent hard_stop

#==============================================
echo "***INFO: Uninstall packages"
sudo zypper remove -y cloudera-manager-* 
sudo zypper remove -y hadoop 
sudo zypper remove -y hue-common 
sudo zypper remove -y bigtop-* 
sudo zypper remove -y sqoop2-client

#==============================================
echo "***INFO: Remove Cloudera Manager and CDH data"
sudo rm -Rf /usr/share/cmf /var/lib/cloudera* /var/log/cloudera* /var/run/cloudera* /opt/cloudera* /tmp/scm_prepare_node*  /etc/cloudera*

sudo rm -Rf /var/lib/flume-ng /var/lib/hadoop* /var/lib/hue /var/lib/oozie /var/lib/solr /var/lib/sqoop* /var/lib/zookeeper*

sudo rm -Rf /dfs /mapred /yarn

sudo rm -Rf /var/run/hdfs-sockets /var/run/zookeeper* /var/run/sqoop* /var/run/flume* /var/run/sqoop*

sudo rm -Rf /var/log/zookeeper* /var/log/hadoop* /var/log/hive* /var/log/sqoop* /var/log/flume* /var/log/hbase* /var/log/hue*

sudo rm -Rf /etc/zookeeper* /etc/hadoop* /etc/hive* /etc/sqoop* /etc/flume* /etc/hbase* /etc/hcatalog* /etc/webhcat* /etc/pig* /etc/oozie*
  
sudo rm -Rf /usr/lib/hadoop* /usr/lib/hive* /usr/lib/oozie* /usr/lib/hcatalog* /usr/lib/parquet* /usr/lib/hbase* 

sudo rm -Rf /usr/lib/alternatives/hadoop*

sudo rm -Rf /tmp/hadoop*

sudo rm -Rf /etc/alternatives/hadoop* /etc/alternatives/hive* /etc/alternatives/hbase*

sudo rm -Rf /var/tmp/sqoop* /var/lib/alternatives/hbase* /etc/run/webhcat* /usr/share/hue* /tmp/hadoop* /tmp/hsperfdata_zookeeper

sudo rm -rf /etc/hadoop/conf
sudo rm -rf /etc/hive/conf
#==============================================
echo "***INFO: Kill any running Cloudera Manager and CDH processes that might still be running"

for u in hdfs mapred cloudera-scm hbase hue zookeeper oozie hive impala flume; do
    sudo kill $(ps -u $u -o pid=) 2>/dev/null
done

#==============================================
echo "***INFO: Remove the Cloudera Manager lock file"
sudo rm /tmp/.scm_prepare_node.lock >/dev/null 2>&1

#==============================================
echo "***INFO: Remove any left over Cloudera processes"

pid=$(sudo netstat -anp | grep 9000 | awk  '{print $7}' | sed 's/ *\/.*//')
   
if [[ $pid != "" ]]; then
   sudo kill -9 $pid
fi

pid=$(sudo netstat -anp | grep 9001 | awk  '{print $7}' | sed 's/ *\/.*//')
    
if [[ $pid != "" ]];then
   sudo kill -9 $pid
fi

sudo pkill -f cloudera-scm

sudo umount /var/run/cloudera-scm-agent/process

#==============================================
echo "***INFO: Removing any remaining Cloudera RPM's"

listRPM=`rpm -qa | grep hadoop`

for i in ${listRPM[@]}; do
    sudo rpm -e $i 2>/dev/null
    sudo zypper remove -y $i 2>/dev/null
done

listRPM=`rpm -qa | grep cloudera`

for i in ${listRPM[@]}; do 
    sudo rpm -e $i 2>/dev/null
    sudo zypper remove -y $i 2>/dev/null
done

listRPM=`rpm -qa | grep hbase`

for i in ${listRPM[@]}; do
    sudo rpm -e $i 2>/dev/null
    sudo zypper remove -y $i 2>/dev/null
done

#==============================================
echo "***INFO: Removing any Cloudera repos"

sudo rm -rf /etc/yum.repos.d/cloudera*
sudo rm -rf /etc/zypp/repos.d/cloudera-manager.repo*
sudo rm -rf /var/cache/zypp/packages/cloudera*
sudo rm -rf /var/cache/zypp/raw/cloudera*
sudo rm -rf /var/cache/zypp/solv/cloudera*


#=============================================
echo "***INFO: Removing Cloudera symbolic directory links"

if [[ -f /etc/alternatives/hadoop-conf ]]; then
   sudo rm -rf /etc/alternatives/hadoop-conf*
fi

if [[ -f /etc/alternatives/hbase-conf ]]; then
   sudo rm -rf /etc/alternatives/hbase-conf*
fi

if [[ -f /etc/alternatives/hive-conf ]]; then
   sudo rm -rf /etc/alternatives/hive-conf*
fi

if [[ -f /cloudera-scm-server-db ]]; then
   sudo rm -rf /cloudera-scm-server-db
fi
#============================================
echo "***INFO: Performing additional clean up"
sudo rpm --rebuilddb