AMBARI-5744. HADOOP_HOME is not set in hadoop-env.sh (aonishuk)

ambari-server/src/main/resources/stacks/HDP/1.3.2/hooks/after-INSTALL/templates/hadoop-env.sh.j2

@@ -49,6 +49,9 @@ export HADOOP_HOME_WARN_SUPPRESS=1
 #TODO: if env var set that can cause problems
 export HADOOP_CONF_DIR=${HADOOP_CONF_DIR:-{{hadoop_conf_dir}}}
 
+# Hadoop home directory
+export HADOOP_HOME=${HADOOP_HOME:-/usr/lib/hadoop}
+
 # this is different for HDP1 #
 # Path to jsvc required by secure HDP 2.0 datanode
 # export JSVC_HOME={{jsvc_path}}

ambari-server/src/main/resources/stacks/HDP/2.0.6/hooks/before-START/templates/hadoop-env.sh.j2

@@ -45,6 +45,9 @@
 export JAVA_HOME={{java_home}}
 export HADOOP_HOME_WARN_SUPPRESS=1
 
+# Hadoop home directory
+export HADOOP_HOME=${HADOOP_HOME:-/usr/lib/hadoop}
+
 # Hadoop Configuration Directory
 #TODO: if env var set that can cause problems
 export HADOOP_CONF_DIR=${HADOOP_CONF_DIR:-{{hadoop_conf_dir}}}