hmc/puppet/modules/hdp2-hadoop/templates/yarn-env.sh.erb

# Licensed to the Apache Software Foundation (ASF) under one or more
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# 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
#
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# limitations under the License.

# Java
export JAVA_HOME=<%=scope.function_hdp_java_home()%>

# User for YARN daemons
export HADOOP_YARN_USER=${HADOOP_YARN_USER:-<%=scope.function_hdp_template_var("::hdp2::params::yarn_user")%>}

# TODO: Remove this once Hadoop sets YARN_HOME by default correctly.
export HADOOP_YARN_HOME=${HADOOP_YARN_HOME:-<%=scope.function_hdp_template_var("::hdp2::params::hadoop_yarn_home")%>}

# resolve links - $0 may be a softlink
export YARN_CONF_DIR=${YARN_CONF_DIR:-<%=scope.function_hdp_template_var("conf_dir")%>}

# some Java parameters
# export JAVA_HOME=/home/y/libexec/jdk1.6.0/
if [ "$JAVA_HOME" != "" ]; then
  #echo "run java in $JAVA_HOME"
  JAVA_HOME=$JAVA_HOME
fi
  
if [ "$JAVA_HOME" = "" ]; then
  echo "Error: JAVA_HOME is not set."
  exit 1
fi

JAVA=$JAVA_HOME/bin/java
JAVA_HEAP_MAX=-Xmx1000m 

# check envvars which might override default args
export YARN_HEAPSIZE="<%=scope.function_hdp_template_var("yarn_heapsize")%>"
if [ "$YARN_HEAPSIZE" != "" ]; then
  #echo "run with heapsize $YARN_HEAPSIZE"
  JAVA_HEAP_MAX="-Xmx""$YARN_HEAPSIZE"
  #echo $JAVA_HEAP_MAX
fi

# ResourceManager Java options
export YARN_RESOURCEMANAGER_HEAPSIZE="<%=scope.function_hdp_template_var("resourcemanager_heapsize")%>"
resourcemanager_opt_newsize="<%=scope.function_hdp_template_var("resourcemanager_opt_newsize")%>"
if [ "$resourcemanager_opt_newsize" != "" ]; then
  export YARN_RESOURCEMANAGER_OPTS="$YARN_RESOURCEMANAGER_OPTS -XX:NewSize=""$resourcemanager_opt_newsize""M"
fi
resourcemanager_opt_maxnewsize="<%=scope.function_hdp_template_var("resourcemanager_opt_maxnewsize")%>"
if [ "$resourcemanager_opt_maxnewsize" != "" ]; then
  export YARN_RESOURCEMANAGER_OPTS="$YARN_RESOURCEMANAGER_OPTS -XX:MaxNewSize=""$resourcemanager_opt_maxnewsize""M"
fi

# so that filenames w/ spaces are handled correctly in loops below
IFS=


# default log directory & file
export YARN_LOG_DIR=<%=scope.function_hdp_template_var("hadoop_logdirprefix")%>/$USER
if [ "$YARN_LOG_DIR" = "" ]; then
  YARN_LOG_DIR="$HADOOP_YARN_HOME/logs"
fi
if [ "$YARN_LOGFILE" = "" ]; then
  YARN_LOGFILE='yarn.log'
fi

# The directory where pid files are stored. /tmp by default.
export YARN_PID_DIR=<%=scope.function_hdp_template_var("hadoop_piddirprefix")%>/$USER

# default policy file for service-level authorization
if [ "$YARN_POLICYFILE" = "" ]; then
  YARN_POLICYFILE="hadoop-policy.xml"
fi

# restore ordinary behaviour
unset IFS


YARN_OPTS="$YARN_OPTS -Dhadoop.log.dir=$YARN_LOG_DIR"
YARN_OPTS="$YARN_OPTS -Dyarn.log.dir=$YARN_LOG_DIR"
YARN_OPTS="$YARN_OPTS -Dhadoop.log.file=$YARN_LOGFILE"
YARN_OPTS="$YARN_OPTS -Dyarn.log.file=$YARN_LOGFILE"
YARN_OPTS="$YARN_OPTS -Dyarn.home.dir=$YARN_COMMON_HOME"
YARN_OPTS="$YARN_OPTS -Dyarn.id.str=$YARN_IDENT_STRING"
YARN_OPTS="$YARN_OPTS -Dhadoop.root.logger=${YARN_ROOT_LOGGER:-INFO,console}"
YARN_OPTS="$YARN_OPTS -Dyarn.root.logger=${YARN_ROOT_LOGGER:-INFO,console}"
if [ "x$JAVA_LIBRARY_PATH" != "x" ]; then
  YARN_OPTS="$YARN_OPTS -Djava.library.path=$JAVA_LIBRARY_PATH"
fi  
YARN_OPTS="$YARN_OPTS -Dyarn.policy.file=$YARN_POLICYFILE"