HADOOP-8287. etc/hadoop is missing hadoop-env.sh. Contributed by Eli Collins

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1339907 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -38,6 +38,8 @@ Release 2.0.1-alpha - UNRELEASED
     HADOOP-8406. CompressionCodecFactory.CODEC_PROVIDERS iteration is
     thread-unsafe (todd)
 
+    HADOOP-8287. etc/hadoop is missing hadoop-env.sh (eli)
+
 Release 2.0.0-alpha - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/main/conf/hadoop-env.sh

@@ -0,0 +1,74 @@
+# Copyright 2011 The Apache Software Foundation
+# 
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Set Hadoop-specific environment variables here.
+
+# The only required environment variable is JAVA_HOME.  All others are
+# optional.  When running a distributed configuration it is best to
+# set JAVA_HOME in this file, so that it is correctly defined on
+# remote nodes.
+
+# The java implementation to use.
+export JAVA_HOME=${JAVA_HOME}
+
+# The jsvc implementation to use. Jsvc is required to run secure datanodes.
+#export JSVC_HOME=${JSVC_HOME}
+
+export HADOOP_CONF_DIR=${HADOOP_CONF_DIR:-"/etc/hadoop"}
+
+# Extra Java CLASSPATH elements.  Automatically insert capacity-scheduler.
+for f in $HADOOP_HOME/contrib/capacity-scheduler/*.jar; do
+  if [ "$HADOOP_CLASSPATH" ]; then
+    export HADOOP_CLASSPATH=$HADOOP_CLASSPATH:$f
+  else
+    export HADOOP_CLASSPATH=$f
+  fi
+done
+
+# The maximum amount of heap to use, in MB. Default is 1000.
+#export HADOOP_HEAPSIZE=
+#export HADOOP_NAMENODE_INIT_HEAPSIZE=""
+
+# Extra Java runtime options.  Empty by default.
+export HADOOP_OPTS="-Djava.net.preferIPv4Stack=true $HADOOP_CLIENT_OPTS"
+
+# Command specific options appended to HADOOP_OPTS when specified
+export HADOOP_NAMENODE_OPTS="-Dhadoop.security.logger=${HADOOP_SECURITY_LOGGER:-INFO,RFAS} -Dhdfs.audit.logger=${HDFS_AUDIT_LOGGER:-INFO,NullAppender} $HADOOP_NAMENODE_OPTS"
+export HADOOP_DATANODE_OPTS="-Dhadoop.security.logger=ERROR,RFAS $HADOOP_DATANODE_OPTS"
+
+export HADOOP_SECONDARYNAMENODE_OPTS="-Dhadoop.security.logger=${HADOOP_SECURITY_LOGGER:-INFO,RFAS} -Dhdfs.audit.logger=${HDFS_AUDIT_LOGGER:-INFO,NullAppender} $HADOOP_SECONDARYNAMENODE_OPTS"
+
+# The following applies to multiple commands (fs, dfs, fsck, distcp etc)
+export HADOOP_CLIENT_OPTS="-Xmx128m $HADOOP_CLIENT_OPTS"
+#HADOOP_JAVA_PLATFORM_OPTS="-XX:-UsePerfData $HADOOP_JAVA_PLATFORM_OPTS"
+
+# On secure datanodes, user to run the datanode as after dropping privileges
+export HADOOP_SECURE_DN_USER=${HADOOP_SECURE_DN_USER}
+
+# Where log files are stored.  $HADOOP_HOME/logs by default.
+export HADOOP_LOG_DIR=${HADOOP_LOG_DIR}/$USER
+
+# Where log files are stored in the secure data environment.
+export HADOOP_SECURE_DN_LOG_DIR=${HADOOP_LOG_DIR}/${HADOOP_HDFS_USER}
+
+# The directory where pid files are stored. /tmp by default.
+export HADOOP_PID_DIR=${HADOOP_PID_DIR}
+export HADOOP_SECURE_DN_PID_DIR=${HADOOP_PID_DIR}
+
+# A string representing this instance of hadoop. $USER by default.
+export HADOOP_IDENT_STRING=$USER