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From a.@apache.org
Subject hadoop git commit: HADOOP-11485. Pluggable shell integration (aw)
Date Fri, 06 Feb 2015 21:09:15 GMT
Repository: hadoop
Updated Branches:
  refs/heads/trunk 17165d3df -> 5c7943956


HADOOP-11485. Pluggable shell integration (aw)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/5c794395
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/5c794395
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/5c794395

Branch: refs/heads/trunk
Commit: 5c79439568ff0c73062cf09d87f1e739703c7dc0
Parents: 17165d3
Author: Allen Wittenauer <aw@apache.org>
Authored: Fri Feb 6 13:09:01 2015 -0800
Committer: Allen Wittenauer <aw@apache.org>
Committed: Fri Feb 6 13:09:01 2015 -0800

----------------------------------------------------------------------
 .../main/resources/assemblies/hadoop-dist.xml   |   5 +
 .../assemblies/hadoop-mapreduce-dist.xml        |   5 +
 .../resources/assemblies/hadoop-yarn-dist.xml   |   5 +
 hadoop-common-project/hadoop-common/CHANGES.txt |   2 +
 .../hadoop-common/src/main/bin/hadoop-config.sh |  24 +-
 .../src/main/bin/hadoop-functions.sh            | 320 ++++++++++---------
 .../src/main/conf/shellprofile.d/example        | 106 ++++++
 .../hadoop-hdfs/src/main/shellprofile.d/hdfs    |  36 +++
 .../shellprofile.d/mapreduce                    |  41 +++
 hadoop-yarn-project/hadoop-yarn/bin/yarn        |  11 -
 .../hadoop-yarn/shellprofile.d/yarn             |  62 ++++
 11 files changed, 443 insertions(+), 174 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-assemblies/src/main/resources/assemblies/hadoop-dist.xml
----------------------------------------------------------------------
diff --git a/hadoop-assemblies/src/main/resources/assemblies/hadoop-dist.xml b/hadoop-assemblies/src/main/resources/assemblies/hadoop-dist.xml
index f019535..1a5d7d0 100644
--- a/hadoop-assemblies/src/main/resources/assemblies/hadoop-dist.xml
+++ b/hadoop-assemblies/src/main/resources/assemblies/hadoop-dist.xml
@@ -49,6 +49,11 @@
       <fileMode>0755</fileMode>
     </fileSet>
     <fileSet>
+      <directory>${basedir}/src/main/shellprofile.d</directory>
+      <outputDirectory>/libexec/shellprofile.d</outputDirectory>
+      <fileMode>0755</fileMode>
+    </fileSet>
+    <fileSet>
       <directory>${basedir}/src/main/bin</directory>
       <outputDirectory>/sbin</outputDirectory>
       <includes>

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-assemblies/src/main/resources/assemblies/hadoop-mapreduce-dist.xml
----------------------------------------------------------------------
diff --git a/hadoop-assemblies/src/main/resources/assemblies/hadoop-mapreduce-dist.xml b/hadoop-assemblies/src/main/resources/assemblies/hadoop-mapreduce-dist.xml
index 749e16a..247b09c 100644
--- a/hadoop-assemblies/src/main/resources/assemblies/hadoop-mapreduce-dist.xml
+++ b/hadoop-assemblies/src/main/resources/assemblies/hadoop-mapreduce-dist.xml
@@ -42,6 +42,11 @@
       <fileMode>0755</fileMode>
     </fileSet>
     <fileSet>
+      <directory>shellprofile.d</directory>
+      <outputDirectory>libexec/shellprofile.d</outputDirectory>
+      <fileMode>0755</fileMode>
+    </fileSet>
+    <fileSet>
       <directory>bin</directory>
       <outputDirectory>sbin</outputDirectory>
       <includes>

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-assemblies/src/main/resources/assemblies/hadoop-yarn-dist.xml
----------------------------------------------------------------------
diff --git a/hadoop-assemblies/src/main/resources/assemblies/hadoop-yarn-dist.xml b/hadoop-assemblies/src/main/resources/assemblies/hadoop-yarn-dist.xml
index a15e124..6d386f1 100644
--- a/hadoop-assemblies/src/main/resources/assemblies/hadoop-yarn-dist.xml
+++ b/hadoop-assemblies/src/main/resources/assemblies/hadoop-yarn-dist.xml
@@ -47,6 +47,11 @@
       <fileMode>0755</fileMode>
     </fileSet>
     <fileSet>
+      <directory>hadoop-yarn/shellprofile.d</directory>
+      <outputDirectory>libexec/shellprofile.d</outputDirectory>
+      <fileMode>0755</fileMode>
+    </fileSet>
+    <fileSet>
       <directory>hadoop-yarn/bin</directory>
       <outputDirectory>sbin</outputDirectory>
       <includes>

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-common-project/hadoop-common/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt b/hadoop-common-project/hadoop-common/CHANGES.txt
index 2dad2b5..b02e695 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -22,6 +22,8 @@ Trunk (Unreleased)
     HADOOP-9044. add FindClass main class to provide classpath checking
     of installations (Steve Loughran via aw)
 
+    HADOOP-11485. Pluggable shell integration (aw)
+
   IMPROVEMENTS
 
     HADOOP-8017. Configure hadoop-main pom to get rid of M2E plugin execution

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-common-project/hadoop-common/src/main/bin/hadoop-config.sh
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-config.sh b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-config.sh
index 2c2cb3d..f0cabbe 100644
--- a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-config.sh
+++ b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-config.sh
@@ -1,4 +1,4 @@
-#
+
 #
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
@@ -76,7 +76,7 @@ fi
 #
 
 # Let's go!  Base definitions so we can move forward
-hadoop_bootstrap_init
+hadoop_bootstrap
 
 # let's find our conf.
 #
@@ -158,8 +158,12 @@ while [[ -z "${_hadoop_common_done}" ]]; do
   esac
 done
 
+#
+# Setup the base-line environment
+#
 hadoop_find_confdir
 hadoop_exec_hadoopenv
+hadoop_import_shellprofiles
 hadoop_exec_userfuncs
 
 #
@@ -183,22 +187,20 @@ if declare -F hadoop_subproject_init >/dev/null ; then
   hadoop_subproject_init
 fi
 
+hadoop_shellprofiles_init
+
 # get the native libs in there pretty quick
 hadoop_add_javalibpath "${HADOOP_PREFIX}/build/native"
 hadoop_add_javalibpath "${HADOOP_PREFIX}/${HADOOP_COMMON_LIB_NATIVE_DIR}"
 
+hadoop_shellprofiles_nativelib
+
 # get the basic java class path for these subprojects
 # in as quickly as possible since other stuff
 # will definitely depend upon it.
-#
-# at some point, this will get replaced with something pluggable
-# so that these functions can sit in their projects rather than
-# common
-#
-for i in common hdfs yarn mapred
-do
-  hadoop_add_to_classpath_$i
-done
+
+hadoop_add_common_to_classpath
+hadoop_shellprofiles_classpath
 
 #
 # backwards compatibility. new stuff should

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
index 0ec43f2..142ac22 100644
--- a/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
+++ b/hadoop-common-project/hadoop-common/src/main/bin/hadoop-functions.sh
@@ -50,13 +50,13 @@ function hadoop_deprecate_envvar
   fi
 }
 
-function hadoop_bootstrap_init
+function hadoop_bootstrap
 {
   # NOTE: This function is not user replaceable.
 
   # the root of the Hadoop installation
   # See HADOOP-6255 for the expected directory structure layout
-  
+
   # By now, HADOOP_LIBEXEC_DIR should have been defined upstream
   # We can piggyback off of that to figure out where the default
   # HADOOP_FREFIX should be.  This allows us to run without
@@ -70,7 +70,7 @@ function hadoop_bootstrap_init
   HADOOP_DEFAULT_PREFIX=$(cd -P -- "${HADOOP_LIBEXEC_DIR}/.." >/dev/null && pwd
-P)
   HADOOP_PREFIX=${HADOOP_PREFIX:-$HADOOP_DEFAULT_PREFIX}
   export HADOOP_PREFIX
-  
+
   #
   # short-cuts. vendors may redefine these as well, preferably
   # in hadoop-layouts.sh
@@ -88,7 +88,7 @@ function hadoop_bootstrap_init
   TOOL_PATH=${TOOL_PATH:-${HADOOP_PREFIX}/share/hadoop/tools/lib/*}
 
   export HADOOP_OS_TYPE=${HADOOP_OS_TYPE:-$(uname -s)}
- 
+
   # defaults
   export HADOOP_OPTS=${HADOOP_OPTS:-"-Djava.net.preferIPv4Stack=true"}
   hadoop_debug "Initial HADOOP_OPTS=${HADOOP_OPTS}"
@@ -146,7 +146,7 @@ function hadoop_exec_userfuncs
 
 function hadoop_exec_hadooprc
 {
-  # Read the user's settings.  This provides for users to override 
+  # Read the user's settings.  This provides for users to override
   # and/or append hadoop-env.sh. It is not meant as a complete system override.
 
   if [[ -f "${HOME}/.hadooprc" ]]; then
@@ -155,6 +155,87 @@ function hadoop_exec_hadooprc
   fi
 }
 
+function hadoop_import_shellprofiles
+{
+  local i
+  local files1
+  local files2
+
+  if [[ -d "${HADOOP_LIBEXEC_DIR}/shellprofile.d" ]]; then
+    files1=(${HADOOP_LIBEXEC_DIR}/shellprofile.d/*)
+  else
+    hadoop_error "WARNING: ${HADOOP_LIBEXEC_DIR}/shellprofile.d doesn't exist. Functionality
may not work."
+  fi
+
+  if [[ -d "${HADOOP_CONF_DIR}/shellprofile.d" ]]; then
+    files2=(${HADOOP_CONF_DIR}/shellprofile.d/*)
+  fi
+
+  for i in "${files1[@]}" "${files2[@]}"
+  do
+    if [[ -n "${i}" ]]; then
+      hadoop_debug "Profiles: importing ${i}"
+      . "${i}"
+    fi
+  done
+}
+
+function hadoop_shellprofiles_init
+{
+  local i
+
+  for i in ${HADOOP_SHELL_PROFILES}
+  do
+    if declare -F _${i}_hadoop_init >/dev/null ; then
+       hadoop_debug "Profiles: ${i} init"
+       # shellcheck disable=SC2086
+       _${i}_hadoop_init
+    fi
+  done
+}
+
+function hadoop_shellprofiles_classpath
+{
+  local i
+
+  for i in ${HADOOP_SHELL_PROFILES}
+  do
+    if declare -F _${i}_hadoop_classpath >/dev/null ; then
+       hadoop_debug "Profiles: ${i} classpath"
+       # shellcheck disable=SC2086
+       _${i}_hadoop_classpath
+    fi
+  done
+}
+
+function hadoop_shellprofiles_nativelib
+{
+  local i
+
+  for i in ${HADOOP_SHELL_PROFILES}
+  do
+    if declare -F _${i}_hadoop_nativelib >/dev/null ; then
+       hadoop_debug "Profiles: ${i} nativelib"
+       # shellcheck disable=SC2086
+       _${i}_hadoop_nativelib
+    fi
+  done
+}
+
+function hadoop_shellprofiles_finalize
+{
+  local i
+
+  for i in ${HADOOP_SHELL_PROFILES}
+  do
+    if declare -F _${i}_hadoop_finalize >/dev/null ; then
+       hadoop_debug "Profiles: ${i} finalize"
+       # shellcheck disable=SC2086
+       _${i}_hadoop_finalize
+    fi
+  done
+}
+
 function hadoop_basic_init
 {
   # Some of these are also set in hadoop-env.sh.
@@ -163,37 +244,36 @@ function hadoop_basic_init
   #
   # but it is important to note that if you update these
   # you also need to update hadoop-env.sh as well!!!
-  
-  # CLASSPATH initially contains $HADOOP_CONF_DIR
-  CLASSPATH="${HADOOP_CONF_DIR}"
-  hadoop_debug "Initial CLASSPATH=${HADOOP_CONF_DIR}"
-  
+
+  CLASSPATH=""
+  hadoop_debug "Initialize CLASSPATH"
+
   if [[ -z "${HADOOP_COMMON_HOME}" ]] &&
   [[ -d "${HADOOP_PREFIX}/${HADOOP_COMMON_DIR}" ]]; then
     export HADOOP_COMMON_HOME="${HADOOP_PREFIX}"
   fi
-  
+
   # default policy file for service-level authorization
   HADOOP_POLICYFILE=${HADOOP_POLICYFILE:-"hadoop-policy.xml"}
-  
+
   # define HADOOP_HDFS_HOME
   if [[ -z "${HADOOP_HDFS_HOME}" ]] &&
      [[ -d "${HADOOP_PREFIX}/${HDFS_DIR}" ]]; then
     export HADOOP_HDFS_HOME="${HADOOP_PREFIX}"
   fi
-  
+
   # define HADOOP_YARN_HOME
   if [[ -z "${HADOOP_YARN_HOME}" ]] &&
      [[ -d "${HADOOP_PREFIX}/${YARN_DIR}" ]]; then
     export HADOOP_YARN_HOME="${HADOOP_PREFIX}"
   fi
-  
+
   # define HADOOP_MAPRED_HOME
   if [[ -z "${HADOOP_MAPRED_HOME}" ]] &&
      [[ -d "${HADOOP_PREFIX}/${MAPRED_DIR}" ]]; then
     export HADOOP_MAPRED_HOME="${HADOOP_PREFIX}"
   fi
-  
+
   HADOOP_IDENT_STRING=${HADOOP_IDENT_STRING:-$USER}
   HADOOP_LOG_DIR=${HADOOP_LOG_DIR:-"${HADOOP_PREFIX}/logs"}
   HADOOP_LOGFILE=${HADOOP_LOGFILE:-hadoop.log}
@@ -240,7 +320,7 @@ function hadoop_rotate_log
   #
   local log=$1;
   local num=${2:-5};
-  
+
   if [[ -f "${log}" ]]; then # rotate logs
     while [[ ${num} -gt 1 ]]; do
       #shellcheck disable=SC2086
@@ -260,7 +340,7 @@ function hadoop_actual_ssh
   # should get hostname followed by rest of command line
   local slave=$1
   shift
-  
+
   # shellcheck disable=SC2086
   ssh ${HADOOP_SSH_OPTS} ${slave} $"${@// /\\ }" 2>&1 | sed "s/^/$slave: /"
 }
@@ -269,7 +349,7 @@ function hadoop_connect_to_hosts
 {
   # shellcheck disable=SC2124
   local params="$@"
-  
+
   #
   # ssh (or whatever) to a host
   #
@@ -278,13 +358,13 @@ function hadoop_connect_to_hosts
     hadoop_error "ERROR: Both HADOOP_SLAVES and HADOOP_SLAVE_NAME were defined. Aborting."
     exit 1
   fi
-  
+
   if [[ -n "${HADOOP_SLAVE_NAMES}" ]] ; then
     SLAVE_NAMES=${HADOOP_SLAVE_NAMES}
   else
     SLAVE_FILE=${HADOOP_SLAVES:-${HADOOP_CONF_DIR}/slaves}
   fi
-  
+
   # if pdsh is available, let's use it.  otherwise default
   # to a loop around ssh.  (ugh)
   if [[ -e '/usr/bin/pdsh' ]]; then
@@ -304,7 +384,7 @@ function hadoop_connect_to_hosts
     if [[ -z "${SLAVE_NAMES}" ]]; then
       SLAVE_NAMES=$(sed 's/#.*$//;/^$/d' "${SLAVE_FILE}")
     fi
-    
+
     # quoting here gets tricky. it's easier to push it into a function
     # so that we don't have to deal with it. However...
     # xargs can't use a function so instead we'll export it out
@@ -314,8 +394,8 @@ function hadoop_connect_to_hosts
     export HADOOP_SSH_OPTS
 
     # xargs is used with option -I to replace the placeholder in arguments
-    # list with each hostname read from stdin/pipe. But it consider one 
-    # line as one argument while reading from stdin/pipe. So place each 
+    # list with each hostname read from stdin/pipe. But it consider one
+    # line as one argument while reading from stdin/pipe. So place each
     # hostname in different lines while passing via pipe.
     SLAVE_NAMES=$(echo "$SLAVE_NAMES" | tr ' ' '\n' )
     echo "${SLAVE_NAMES}" | \
@@ -360,6 +440,12 @@ function hadoop_add_param
   fi
 }
 
+function hadoop_add_profile
+{
+  # shellcheck disable=SC2086
+  hadoop_add_param HADOOP_SHELL_PROFILES $1 $1
+}
+
 function hadoop_add_classpath
 {
   # two params:
@@ -368,7 +454,7 @@ function hadoop_add_classpath
   #      classpath this object should go. default is after
   # return 0 = success (added or duplicate)
   # return 1 = failure (doesn't exist, whatever)
-  
+
   # However, with classpath (& JLP), we can do dedupe
   # along with some sanity checking (e.g., missing directories)
   # since we have a better idea of what is legal
@@ -381,7 +467,7 @@ function hadoop_add_classpath
       hadoop_debug "Rejected CLASSPATH: $1 (not a dir)"
       return 1
     fi
-    
+
     # no wildcard in the middle, so check existence
     # (doesn't matter *what* it is)
   elif [[ ! $1 =~ ^.*\*.*$ ]] && [[ ! -e "$1" ]]; then
@@ -413,7 +499,7 @@ function hadoop_add_colonpath
   #      classpath this object should go
   # return 0 = success
   # return 1 = failure (duplicate)
-  
+
   # this is CLASSPATH, JLP, etc but with dedupe but no
   # other checking
   if [[ -d "${2}" ]] && [[ ":${!1}:" != *":$2:"* ]]; then
@@ -446,101 +532,30 @@ function hadoop_add_ldlibpath
 {
   # specialized function for a common use case
   hadoop_add_colonpath LD_LIBRARY_PATH "$1" "$2"
-  
+
   # note that we export this
   export LD_LIBRARY_PATH
 }
 
-function hadoop_add_to_classpath_common
+function hadoop_add_common_to_classpath
 {
-  
   #
   # get all of the common jars+config in the path
   #
-  
+
   # developers
   if [[ -n "${HADOOP_ENABLE_BUILD_PATHS}" ]]; then
     hadoop_add_classpath "${HADOOP_COMMON_HOME}/hadoop-common/target/classes"
   fi
-  
+
   if [[ -d "${HADOOP_COMMON_HOME}/${HADOOP_COMMON_DIR}/webapps" ]]; then
     hadoop_add_classpath "${HADOOP_COMMON_HOME}/${HADOOP_COMMON_DIR}"
   fi
-  
+
   hadoop_add_classpath "${HADOOP_COMMON_HOME}/${HADOOP_COMMON_LIB_JARS_DIR}"'/*'
   hadoop_add_classpath "${HADOOP_COMMON_HOME}/${HADOOP_COMMON_DIR}"'/*'
 }
 
-function hadoop_add_to_classpath_hdfs
-{
-  #
-  # get all of the hdfs jars+config in the path
-  #
-  # developers
-  if [[ -n "${HADOOP_ENABLE_BUILD_PATHS}" ]]; then
-    hadoop_add_classpath "${HADOOP_HDFS_HOME}/hadoop-hdfs/target/classes"
-  fi
-  
-  # put hdfs in classpath if present
-  if [[ -d "${HADOOP_HDFS_HOME}/${HDFS_DIR}/webapps" ]]; then
-    hadoop_add_classpath "${HADOOP_HDFS_HOME}/${HDFS_DIR}"
-  fi
-  
-  hadoop_add_classpath "${HADOOP_HDFS_HOME}/${HDFS_LIB_JARS_DIR}"'/*'
-  hadoop_add_classpath "${HADOOP_HDFS_HOME}/${HDFS_DIR}"'/*'
-}
-
-function hadoop_add_to_classpath_yarn
-{
-  local i
-  #
-  # get all of the yarn jars+config in the path
-  #
-  # developers
-  if [[ -n "${HADOOP_ENABLE_BUILD_PATHS}" ]]; then
-    for i in yarn-api yarn-common yarn-mapreduce yarn-master-worker \
-    yarn-server/yarn-server-nodemanager \
-    yarn-server/yarn-server-common \
-    yarn-server/yarn-server-resourcemanager; do
-      hadoop_add_classpath "${HADOOP_YARN_HOME}/$i/target/classes"
-    done
-    
-    hadoop_add_classpath "${HADOOP_YARN_HOME}/build/test/classes"
-    hadoop_add_classpath "${HADOOP_YARN_HOME}/build/tools"
-  fi
-  
-  if [[ -d "${HADOOP_YARN_HOME}/${YARN_DIR}/webapps" ]]; then
-    hadoop_add_classpath "${HADOOP_YARN_HOME}/${YARN_DIR}"
-  fi
-  
-  hadoop_add_classpath "${HADOOP_YARN_HOME}/${YARN_LIB_JARS_DIR}"'/*'
-  hadoop_add_classpath  "${HADOOP_YARN_HOME}/${YARN_DIR}"'/*'
-}
-
-function hadoop_add_to_classpath_mapred
-{
-  #
-  # get all of the mapreduce jars+config in the path
-  #
-  # developers
-  if [[ -n "${HADOOP_ENABLE_BUILD_PATHS}" ]]; then
-    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-shuffle/target/classes"
-    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-common/target/classes"
-    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-hs/target/classes"
-    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-hs-plugins/target/classes"
-    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-app/target/classes"
-    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-jobclient/target/classes"
-    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-core/target/classes"
-  fi
-  
-  if [[ -d "${HADOOP_MAPRED_HOME}/${MAPRED_DIR}/webapps" ]]; then
-    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/${MAPRED_DIR}"
-  fi
-  
-  hadoop_add_classpath "${HADOOP_MAPRED_HOME}/${MAPRED_LIB_JARS_DIR}"'/*'
-  hadoop_add_classpath "${HADOOP_MAPRED_HOME}/${MAPRED_DIR}"'/*'
-}
-
 function hadoop_add_to_classpath_userpath
 {
   # Add the user-specified HADOOP_CLASSPATH to the
@@ -563,7 +578,7 @@ function hadoop_add_to_classpath_userpath
       let c+=1
     done
     let j=c-1
-    
+
     if [[ -z "${HADOOP_USE_CLIENT_CLASSLOADER}" ]]; then
       if [[ -z "${HADOOP_USER_CLASSPATH_FIRST}" ]]; then
         for ((i=j; i>=0; i--)); do
@@ -602,8 +617,8 @@ function hadoop_os_tricks
       # NOTE! HADOOP_ALLOW_IPV6 is a developer hook.  We leave it
       # undocumented in hadoop-env.sh because we don't want users to
       # shoot themselves in the foot while devs make IPv6 work.
-      if [[ -n "${bindv6only}" ]] && 
-         [[ "${bindv6only}" -eq "1" ]] && 
+      if [[ -n "${bindv6only}" ]] &&
+         [[ "${bindv6only}" -eq "1" ]] &&
          [[ "${HADOOP_ALLOW_IPV6}" != "yes" ]]; then
         hadoop_error "ERROR: \"net.ipv6.bindv6only\" is set to 1 "
         hadoop_error "ERROR: Hadoop networking could be broken. Aborting."
@@ -630,14 +645,14 @@ function hadoop_java_setup
     hadoop_error "ERROR: JAVA_HOME is not set and could not be found."
     exit 1
   fi
-  
+
   if [[ ! -d "${JAVA_HOME}" ]]; then
     hadoop_error "ERROR: JAVA_HOME ${JAVA_HOME} does not exist."
     exit 1
   fi
-  
+
   JAVA="${JAVA_HOME}/bin/java"
-  
+
   if [[ ! -x "$JAVA" ]]; then
     hadoop_error "ERROR: $JAVA is not executable."
     exit 1
@@ -716,7 +731,7 @@ function hadoop_finalize_hadoop_opts
 function hadoop_finalize_classpath
 {
   hadoop_add_classpath "${HADOOP_CONF_DIR}" before
-  
+
   # user classpath gets added at the last minute. this allows
   # override of CONF dirs and more
   hadoop_add_to_classpath_userpath
@@ -744,8 +759,9 @@ function hadoop_finalize_catalina_opts
 
 function hadoop_finalize
 {
-  # user classpath gets added at the last minute. this allows
-  # override of CONF dirs and more
+
+  hadoop_shellprofiles_finalize
+
   hadoop_finalize_classpath
   hadoop_finalize_libpaths
   hadoop_finalize_hadoop_heap
@@ -782,7 +798,7 @@ function hadoop_verify_secure_prereq
   # if you are on an OS like Illumos that has functional roles
   # and you are using pfexec, you'll probably want to change
   # this.
-  
+
   # ${EUID} comes from the shell itself!
   if [[ "${EUID}" -ne 0 ]] && [[ -z "${HADOOP_SECURE_COMMAND}" ]]; then
     hadoop_error "ERROR: You must be a privileged user in order to run a secure service."
@@ -795,7 +811,7 @@ function hadoop_verify_secure_prereq
 function hadoop_setup_secure_service
 {
   # need a more complicated setup? replace me!
-  
+
   HADOOP_PID_DIR=${HADOOP_SECURE_PID_DIR}
   HADOOP_LOG_DIR=${HADOOP_SECURE_LOG_DIR}
 }
@@ -844,7 +860,7 @@ function hadoop_verify_logdir
   rm "${HADOOP_LOG_DIR}/$$" >/dev/null 2>&1
 }
 
-function hadoop_status_daemon() 
+function hadoop_status_daemon()
 {
   #
   # LSB 4.1.0 compatible status command (1)
@@ -861,12 +877,12 @@ function hadoop_status_daemon()
   #     them the benefit of a doubt and returning 1 even if
   #     our pid is not in in /var/run .
   #
-  
+
   local pidfile=$1
   shift
-  
+
   local pid
-  
+
   if [[ -f "${pidfile}" ]]; then
     pid=$(cat "${pidfile}")
     if ps -p "${pid}" > /dev/null 2>&1; then
@@ -885,7 +901,7 @@ function hadoop_java_exec
   local command=$1
   local class=$2
   shift 2
-  
+
   hadoop_debug "Final CLASSPATH: ${CLASSPATH}"
   hadoop_debug "Final HADOOP_OPTS: ${HADOOP_OPTS}"
 
@@ -932,14 +948,14 @@ function hadoop_start_daemon_wrapper
   local counter
 
   hadoop_rotate_log "${outfile}"
-  
+
   hadoop_start_daemon "${daemonname}" \
     "$class" \
     "${pidfile}" \
     "$@" >> "${outfile}" 2>&1 < /dev/null &
 
   # we need to avoid a race condition here
-  # so let's wait for the fork to finish 
+  # so let's wait for the fork to finish
   # before overriding with the daemonized pid
   (( counter=0 ))
   while [[ ! -f ${pidfile} && ${counter} -le 5 ]]; do
@@ -953,23 +969,23 @@ function hadoop_start_daemon_wrapper
   if [[ $? -gt 0 ]]; then
     hadoop_error "ERROR:  Cannot write ${daemonname} pid ${pidfile}."
   fi
-  
+
   # shellcheck disable=SC2086
   renice "${HADOOP_NICENESS}" $! >/dev/null 2>&1
   if [[ $? -gt 0 ]]; then
     hadoop_error "ERROR: Cannot set priority of ${daemonname} process $!"
   fi
-  
+
   # shellcheck disable=SC2086
   disown %+ >/dev/null 2>&1
   if [[ $? -gt 0 ]]; then
     hadoop_error "ERROR: Cannot disconnect ${daemonname} process $!"
   fi
   sleep 1
-  
+
   # capture the ulimit output
   ulimit -a >> "${outfile}" 2>&1
-  
+
   # shellcheck disable=SC2086
   if ! ps -p $! >/dev/null 2>&1; then
     return 1
@@ -983,22 +999,22 @@ function hadoop_start_secure_daemon
   #
   local daemonname=$1
   local class=$2
-  
+
   # pid file to create for our deamon
   local daemonpidfile=$3
-  
+
   # where to send stdout. jsvc has bad habits so this *may* be &1
   # which means you send it to stdout!
   local daemonoutfile=$4
-  
+
   # where to send stderr.  same thing, except &2 = stderr
   local daemonerrfile=$5
   local privpidfile=$6
   shift 6
- 
+
   hadoop_rotate_log "${daemonoutfile}"
   hadoop_rotate_log "${daemonerrfile}"
-  
+
   jsvc="${JSVC_HOME}/jsvc"
   if [[ ! -f "${jsvc}" ]]; then
     hadoop_error "JSVC_HOME is not set or set incorrectly. jsvc is required to run secure"
@@ -1007,7 +1023,7 @@ function hadoop_start_secure_daemon
     hadoop_error "and set JSVC_HOME to the directory containing the jsvc binary."
     exit 1
   fi
-  
+
   # note that shellcheck will throw a
   # bogus for-our-use-case 2086 here.
   # it doesn't properly support multi-line situations
@@ -1020,7 +1036,7 @@ function hadoop_start_secure_daemon
   if [[ $? -gt 0 ]]; then
     hadoop_error "ERROR:  Cannot write ${daemonname} pid ${privpidfile}."
   fi
-  
+
   exec "${jsvc}" \
     "-Dproc_${daemonname}" \
     -outfile "${daemonoutfile}" \
@@ -1039,29 +1055,29 @@ function hadoop_start_secure_daemon_wrapper
   # of the dirty work to launch a daemon in the background!
   local daemonname=$1
   local class=$2
-  
+
   # same rules as hadoop_start_secure_daemon except we
   # have some additional parameters
-  
+
   local daemonpidfile=$3
-  
+
   local daemonoutfile=$4
-  
+
   # the pid file of the subprocess that spawned our
   # secure launcher
   local jsvcpidfile=$5
-  
+
   # the output of the subprocess that spawned our secure
   # launcher
   local jsvcoutfile=$6
-  
+
   local daemonerrfile=$7
   shift 7
 
   local counter
-  
+
   hadoop_rotate_log "${jsvcoutfile}"
-  
+
   hadoop_start_secure_daemon \
     "${daemonname}" \
     "${class}" \
@@ -1071,7 +1087,7 @@ function hadoop_start_secure_daemon_wrapper
     "${jsvcpidfile}"  "$@" >> "${jsvcoutfile}" 2>&1 < /dev/null &
 
   # we need to avoid a race condition here
-  # so let's wait for the fork to finish 
+  # so let's wait for the fork to finish
   # before overriding with the daemonized pid
   (( counter=0 ))
   while [[ ! -f ${daemonpidfile} && ${counter} -le 5 ]]; do
@@ -1085,7 +1101,7 @@ function hadoop_start_secure_daemon_wrapper
   if [[ $? -gt 0 ]]; then
     hadoop_error "ERROR:  Cannot write ${daemonname} pid ${daemonpidfile}."
   fi
-  
+
   sleep 1
   #shellcheck disable=SC2086
   renice "${HADOOP_NICENESS}" $! >/dev/null 2>&1
@@ -1118,12 +1134,12 @@ function hadoop_stop_daemon
   local cmd=$1
   local pidfile=$2
   shift 2
-  
+
   local pid
-  
+
   if [[ -f "${pidfile}" ]]; then
     pid=$(cat "$pidfile")
-    
+
     kill "${pid}" >/dev/null 2>&1
     sleep "${HADOOP_STOP_TIMEOUT}"
     if kill -0 "${pid}" > /dev/null 2>&1; then
@@ -1145,7 +1161,7 @@ function hadoop_stop_secure_daemon
   local privpidfile=$3
   shift 3
   local ret
-  
+
   hadoop_stop_daemon "${command}" "${daemonpidfile}"
   ret=$?
   rm -f "${daemonpidfile}" "${privpidfile}" 2>/dev/null
@@ -1160,18 +1176,18 @@ function hadoop_daemon_handler
   local daemon_pidfile=$4
   local daemon_outfile=$5
   shift 5
-  
+
   case ${daemonmode} in
     status)
       hadoop_status_daemon "${daemon_pidfile}"
       exit $?
     ;;
-    
+
     stop)
       hadoop_stop_daemon "${daemonname}" "${daemon_pidfile}"
       exit $?
     ;;
-    
+
     ##COMPAT  -- older hadoops would also start daemons by default
     start|default)
       hadoop_verify_piddir
@@ -1207,19 +1223,19 @@ function hadoop_secure_daemon_handler
   local priv_outfile=$7
   local priv_errfile=$8
   shift 8
-  
+
   case ${daemonmode} in
     status)
       hadoop_status_daemon "${daemon_pidfile}"
       exit $?
     ;;
-    
+
     stop)
       hadoop_stop_secure_daemon "${daemonname}" \
       "${daemon_pidfile}" "${priv_pidfile}"
       exit $?
     ;;
-    
+
     ##COMPAT  -- older hadoops would also start daemons by default
     start|default)
       hadoop_verify_piddir
@@ -1232,7 +1248,7 @@ function hadoop_secure_daemon_handler
         # stale pid file, so just remove it and continue on
         rm -f "${daemon_pidfile}" >/dev/null 2>&1
       fi
-      
+
       ##COMPAT  - differenticate between --daemon start and nothing
       # "nothing" shouldn't detach
       if [[ "${daemonmode}" = "default" ]]; then

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-common-project/hadoop-common/src/main/conf/shellprofile.d/example
----------------------------------------------------------------------
diff --git a/hadoop-common-project/hadoop-common/src/main/conf/shellprofile.d/example b/hadoop-common-project/hadoop-common/src/main/conf/shellprofile.d/example
new file mode 100644
index 0000000..dc50821
--- /dev/null
+++ b/hadoop-common-project/hadoop-common/src/main/conf/shellprofile.d/example
@@ -0,0 +1,106 @@
+# 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.
+
+#
+# This is an example shell profile.  It does not do anything other than
+# show an example of what the general structure and API of the pluggable
+# shell profile code looks like.
+#
+#
+
+#
+#  First, register the profile:
+#
+# hadoop_add_profile example
+#
+#
+# This profile name determines what the name of the functions will
+# be. The general pattern is _(profilename)_hadoop_(capability).  There
+# are currently four capabilities:
+#  * init
+#  * classpath
+#  * nativelib
+#  * finalize
+#
+# None of these functions are required.  Examples of all four follow...
+
+#
+# The _hadoop_init function is called near the very beginning of the
+# execution cycle. System and site-level shell env vars have been set,
+# command line processing finished, etc.  Note that the user's .hadooprc
+# has not yet been processed.  This is to allow them to override anything
+# that may be set here or potentially a dependency!
+#
+# function _example_hadoop_init
+# {
+#   # This example expects a home.  So set a default if not set.
+#   EXAMPLE_HOME="${EXAMPLE_HOME:-/usr/example}"
+# }
+#
+
+#
+# The _hadoop_classpath function is called when the shell code is
+# establishing the classpath.  This function should use the
+# shell hadoop_add_classpath function rather than directly
+# manipulating the CLASSPATH variable.  This ensures that the
+# CLASSPATH does not have duplicates and provides basic
+# sanity checks
+#
+# function _example_hadoop_classpath
+# {
+#   # jars that should be near the front
+#   hadoop_add_classpath "${EXAMPLE_HOME}/share/pre-jars/*" before
+#
+#   # jars that should be near the back
+#   hadoop_add_classpath "${EXAMPLE_HOME}/share/post-jars/*" after
+# }
+
+#
+# The _hadoop_nativelib function is called when the shell code is
+# buliding the locations for linkable shared libraries. Depending
+# upon needs, there are shell function calls that are useful
+# to use here:
+#
+# hadoop_add_javalibpath will push the path onto the command line
+# and into the java.library.path system property.  In the majority
+# of cases, this should be sufficient, especially if the shared
+# library has been linked correctly with $ORIGIN.
+#
+# hadoop_add_ldlibpath will push the path into the LD_LIBRARY_PATH
+# env var.  This should be unnecessary for most code.
+#
+# function _example_hadoop_nativelib
+# {
+#   # our library is standalone, so just need the basic path
+#   # added. Using after so we are later in the link list
+#   hadoop_add_javalibpath "${EXAMPLE_HOME}/lib" after
+# }
+
+#
+# The _hadoop_finalize function is called to finish up whatever
+# extra work needs to be done prior to exec'ing java or some other
+# binary. This is where command line properties should get added
+# and any last minute work.  This is called prior to Hadoop common
+# which means that one can override any parameters that Hadoop
+# would normally put here... so be careful!
+#
+# Useful functions here include hadoop_add_param and for
+# Windows compabitility, hadoop_translate_cygwin_path.
+#
+# function _example_hadoop_finalize
+# {
+#   # we need a property for our feature
+#   hadoop_add_param HADOOP_OPTS Dexample.feature "-Dexample.feature=awesome"
+# }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-hdfs-project/hadoop-hdfs/src/main/shellprofile.d/hdfs
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/shellprofile.d/hdfs b/hadoop-hdfs-project/hadoop-hdfs/src/main/shellprofile.d/hdfs
new file mode 100644
index 0000000..5eb9e48
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/shellprofile.d/hdfs
@@ -0,0 +1,36 @@
+
+# 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.
+
+hadoop_add_profile hdfs
+
+function _hdfs_hadoop_classpath
+{
+  #
+  # get all of the hdfs jars+config in the path
+  #
+  # developers
+  if [[ -n "${HADOOP_ENABLE_BUILD_PATHS}" ]]; then
+    hadoop_add_classpath "${HADOOP_HDFS_HOME}/hadoop-hdfs/target/classes"
+  fi
+
+  # put hdfs in classpath if present
+  if [[ -d "${HADOOP_HDFS_HOME}/${HDFS_DIR}/webapps" ]]; then
+    hadoop_add_classpath "${HADOOP_HDFS_HOME}/${HDFS_DIR}"
+  fi
+
+  hadoop_add_classpath "${HADOOP_HDFS_HOME}/${HDFS_LIB_JARS_DIR}"'/*'
+  hadoop_add_classpath "${HADOOP_HDFS_HOME}/${HDFS_DIR}"'/*'
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-mapreduce-project/shellprofile.d/mapreduce
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/shellprofile.d/mapreduce b/hadoop-mapreduce-project/shellprofile.d/mapreduce
new file mode 100644
index 0000000..0b3dab1
--- /dev/null
+++ b/hadoop-mapreduce-project/shellprofile.d/mapreduce
@@ -0,0 +1,41 @@
+
+# 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.
+
+hadoop_add_profile mapred
+
+function _mapred_hadoop_classpath
+{
+  #
+  # get all of the mapreduce jars+config in the path
+  #
+  # developers
+  if [[ -n "${HADOOP_ENABLE_BUILD_PATHS}" ]]; then
+    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-shuffle/target/classes"
+    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-common/target/classes"
+    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-hs/target/classes"
+    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-hs-plugins/target/classes"
+    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-app/target/classes"
+    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-jobclient/target/classes"
+    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/hadoop-mapreduce-client-core/target/classes"
+  fi
+
+  if [[ -d "${HADOOP_MAPRED_HOME}/${MAPRED_DIR}/webapps" ]]; then
+    hadoop_add_classpath "${HADOOP_MAPRED_HOME}/${MAPRED_DIR}"
+  fi
+
+  hadoop_add_classpath "${HADOOP_MAPRED_HOME}/${MAPRED_LIB_JARS_DIR}"'/*'
+  hadoop_add_classpath "${HADOOP_MAPRED_HOME}/${MAPRED_DIR}"'/*'
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-yarn-project/hadoop-yarn/bin/yarn
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/bin/yarn b/hadoop-yarn-project/hadoop-yarn/bin/yarn
index 0f9212b..b3fe1f3 100644
--- a/hadoop-yarn-project/hadoop-yarn/bin/yarn
+++ b/hadoop-yarn-project/hadoop-yarn/bin/yarn
@@ -195,17 +195,6 @@ if [[  "${HADOOP_DAEMON_MODE}" != "default" ]]; then
   HADOOP_LOGFILE="hadoop-${HADOOP_IDENT_STRING}-${COMMAND}-${HOSTNAME}.log"
 fi
 
-# Add YARN custom options to comamnd line in case someone actaully 
-# used these.
-YARN_LOG_DIR=$HADOOP_LOG_DIR
-hadoop_translate_cygwin_path YARN_LOG_DIR
-hadoop_add_param HADOOP_OPTS yarn.log.dir "-Dyarn.log.dir=${YARN_LOG_DIR}"
-hadoop_add_param HADOOP_OPTS yarn.log.file "-Dyarn.log.file=${HADOOP_LOGFILE}"
-YARN_HOME_DIR=$HADOOP_YARN_HOME
-hadoop_translate_cygwin_path YARN_HOME_DIR
-hadoop_add_param HADOOP_OPTS yarn.home.dir "-Dyarn.home.dir=${YARN_HOME_DIR}"
-hadoop_add_param HADOOP_OPTS yarn.root.logger "-Dyarn.root.logger=${HADOOP_ROOT_LOGGER:-INFO,console}"
-
 hadoop_finalize
 
 if [[ -n "${supportdaemonization}" ]]; then

http://git-wip-us.apache.org/repos/asf/hadoop/blob/5c794395/hadoop-yarn-project/hadoop-yarn/shellprofile.d/yarn
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/shellprofile.d/yarn b/hadoop-yarn-project/hadoop-yarn/shellprofile.d/yarn
new file mode 100644
index 0000000..4aa20b1
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/shellprofile.d/yarn
@@ -0,0 +1,62 @@
+
+# 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.
+
+hadoop_add_profile yarn
+
+function _yarn_hadoop_classpath
+{
+  local i
+  #
+  # get all of the yarn jars+config in the path
+  #
+  # developers
+  if [[ -n "${HADOOP_ENABLE_BUILD_PATHS}" ]]; then
+    for i in yarn-api yarn-common yarn-mapreduce yarn-master-worker \
+             yarn-server/yarn-server-nodemanager \
+             yarn-server/yarn-server-common \
+             yarn-server/yarn-server-resourcemanager; do
+      hadoop_add_classpath "${HADOOP_YARN_HOME}/$i/target/classes"
+    done
+
+    hadoop_add_classpath "${HADOOP_YARN_HOME}/build/test/classes"
+    hadoop_add_classpath "${HADOOP_YARN_HOME}/build/tools"
+  fi
+
+  if [[ -d "${HADOOP_YARN_HOME}/${YARN_DIR}/webapps" ]]; then
+    hadoop_add_classpath "${HADOOP_YARN_HOME}/${YARN_DIR}"
+  fi
+
+  hadoop_add_classpath "${HADOOP_YARN_HOME}/${YARN_LIB_JARS_DIR}"'/*'
+  hadoop_add_classpath  "${HADOOP_YARN_HOME}/${YARN_DIR}"'/*'
+}
+
+function _yarn_hadoop_finalize
+{
+  # Add YARN custom options to comamnd line in case someone actaully
+  # used these.
+  #
+  # Note that we are replacing ' ' with '\ ' so that when we exec
+  # stuff it works
+  #
+  local yld=$HADOOP_LOG_DIR
+  hadoop_translate_cygwin_path yld
+  hadoop_add_param HADOOP_OPTS yarn.log.dir "-Dyarn.log.dir=${yld}"
+  hadoop_add_param HADOOP_OPTS yarn.log.file "-Dyarn.log.file=${HADOOP_LOGFILE}"
+  local yhd=$HADOOP_YARN_HOME
+  hadoop_translate_cygwin_path yhd
+  hadoop_add_param HADOOP_OPTS yarn.home.dir "-Dyarn.home.dir=${yhd}"
+  hadoop_add_param HADOOP_OPTS yarn.root.logger "-Dyarn.root.logger=${YARN_ROOT_LOGGER:-INFO,console}"
+}


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