Initial import

Signed-off-by: Andrew McDermott <andrew.mcdermott@linaro.org>

1 files changed, 160 insertions, 0 deletions

diff --git a/aarch64/sbin/yarn-daemon.sh b/aarch64/sbin/yarn-daemon.sh
new file mode 100755
index 0000000..527ae42
--- /dev/null
+++ b/aarch64/sbin/yarn-daemon.sh
@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+# 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.
+
+
+# Runs a yarn command as a daemon.
+#
+# Environment Variables
+#
+#   YARN_CONF_DIR  Alternate conf dir. Default is ${HADOOP_YARN_HOME}/conf.
+#   YARN_LOG_DIR   Where log files are stored.  PWD by default.
+#   YARN_MASTER    host:path where hadoop code should be rsync'd from
+#   YARN_PID_DIR   The pid files are stored. /tmp by default.
+#   YARN_IDENT_STRING   A string representing this instance of hadoop. $USER by default
+#   YARN_NICENESS The scheduling priority for daemons. Defaults to 0.
+##
+
+usage="Usage: yarn-daemon.sh [--config <conf-dir>] [--hosts hostlistfile] (start|stop) <yarn-command> "
+
+# if no args specified, show usage
+if [ $# -le 1 ]; then
+  echo $usage
+  exit 1
+fi
+
+bin=`dirname "${BASH_SOURCE-$0}"`
+bin=`cd "$bin"; pwd`
+
+DEFAULT_LIBEXEC_DIR="$bin"/../libexec
+HADOOP_LIBEXEC_DIR=${HADOOP_LIBEXEC_DIR:-$DEFAULT_LIBEXEC_DIR}
+. $HADOOP_LIBEXEC_DIR/yarn-config.sh
+
+# get arguments
+startStop=$1
+shift
+command=$1
+shift
+
+hadoop_rotate_log ()
+{
+    log=$1;
+    num=5;
+    if [ -n "$2" ]; then
+	num=$2
+    fi
+    if [ -f "$log" ]; then # rotate logs
+	while [ $num -gt 1 ]; do
+	    prev=`expr $num - 1`
+	    [ -f "$log.$prev" ] && mv "$log.$prev" "$log.$num"
+	    num=$prev
+	done
+	mv "$log" "$log.$num";
+    fi
+}
+
+if [ -f "${YARN_CONF_DIR}/yarn-env.sh" ]; then
+  . "${YARN_CONF_DIR}/yarn-env.sh"
+fi
+
+if [ "$YARN_IDENT_STRING" = "" ]; then
+  export YARN_IDENT_STRING="$USER"
+fi
+
+# get log directory
+if [ "$YARN_LOG_DIR" = "" ]; then
+  export YARN_LOG_DIR="$HADOOP_YARN_HOME/logs"
+fi
+
+if [ ! -w "$YARN_LOG_DIR" ] ; then
+  mkdir -p "$YARN_LOG_DIR"
+  chown $YARN_IDENT_STRING $YARN_LOG_DIR 
+fi
+
+if [ "$YARN_PID_DIR" = "" ]; then
+  YARN_PID_DIR=/tmp
+fi
+
+# some variables
+export YARN_LOGFILE=yarn-$YARN_IDENT_STRING-$command-$HOSTNAME.log
+export YARN_ROOT_LOGGER=${YARN_ROOT_LOGGER:-INFO,RFA}
+log=$YARN_LOG_DIR/yarn-$YARN_IDENT_STRING-$command-$HOSTNAME.out
+pid=$YARN_PID_DIR/yarn-$YARN_IDENT_STRING-$command.pid
+YARN_STOP_TIMEOUT=${YARN_STOP_TIMEOUT:-5}
+
+# Set default scheduling priority
+if [ "$YARN_NICENESS" = "" ]; then
+    export YARN_NICENESS=0
+fi
+
+case $startStop in
+
+  (start)
+
+    [ -w "$YARN_PID_DIR" ] || mkdir -p "$YARN_PID_DIR"
+
+    if [ -f $pid ]; then
+      if kill -0 `cat $pid` > /dev/null 2>&1; then
+        echo $command running as process `cat $pid`.  Stop it first.
+        exit 1
+      fi
+    fi
+
+    if [ "$YARN_MASTER" != "" ]; then
+      echo rsync from $YARN_MASTER
+      rsync -a -e ssh --delete --exclude=.svn --exclude='logs/*' --exclude='contrib/hod/logs/*' $YARN_MASTER/ "$HADOOP_YARN_HOME"
+    fi
+
+    hadoop_rotate_log $log
+    echo starting $command, logging to $log
+    cd "$HADOOP_YARN_HOME"
+    nohup nice -n $YARN_NICENESS "$HADOOP_YARN_HOME"/bin/yarn --config $YARN_CONF_DIR $command "$@" > "$log" 2>&1 < /dev/null &
+    echo $! > $pid
+    sleep 1
+    head "$log"
+    # capture the ulimit output
+    echo "ulimit -a" >> $log
+    ulimit -a >> $log 2>&1
+    ;;
+          
+  (stop)
+
+    if [ -f $pid ]; then
+      TARGET_PID=`cat $pid`
+      if kill -0 $TARGET_PID > /dev/null 2>&1; then
+        echo stopping $command
+        kill $TARGET_PID
+        sleep $YARN_STOP_TIMEOUT
+        if kill -0 $TARGET_PID > /dev/null 2>&1; then
+          echo "$command did not stop gracefully after $YARN_STOP_TIMEOUT seconds: killing with kill -9"
+          kill -9 $TARGET_PID
+        fi
+      else
+        echo no $command to stop
+      fi
+    else
+      echo no $command to stop
+    fi
+    ;;
+
+  (*)
+    echo $usage
+    exit 1
+    ;;
+
+esac
+
+