1 files changed, 103 insertions, 0 deletions
diff --git a/MPE/spark/sbin/slaves.sh b/MPE/spark/sbin/slaves.sh
new file mode 100644
index 0000000..c971aa3
--- /dev/null
+++ b/MPE/spark/sbin/slaves.sh
@@ -0,0 +1,103 @@
+#!/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.
+#
+
+# Run a shell command on all slave hosts.
+#
+# Environment Variables
+#
+#   SPARK_SLAVES    File naming remote hosts.
+#     Default is ${SPARK_CONF_DIR}/slaves.
+#   SPARK_CONF_DIR  Alternate conf dir. Default is ${SPARK_HOME}/conf.
+#   SPARK_SLAVE_SLEEP Seconds to sleep between spawning remote commands.
+#   SPARK_SSH_OPTS Options passed to ssh when running remote commands.
+##
+
+usage="Usage: slaves.sh [--config <conf-dir>] command..."
+
+# if no args specified, show usage
+if [ $# -le 0 ]; then
+  echo $usage
+  exit 1
+fi
+
+if [ -z "${SPARK_HOME}" ]; then
+  export SPARK_HOME="$(cd "`dirname "$0"`"/..; pwd)"
+fi
+
+. "${SPARK_HOME}/sbin/spark-config.sh"
+
+# If the slaves file is specified in the command line,
+# then it takes precedence over the definition in
+# spark-env.sh. Save it here.
+if [ -f "$SPARK_SLAVES" ]; then
+  HOSTLIST=`cat "$SPARK_SLAVES"`
+fi
+
+# Check if --config is passed as an argument. It is an optional parameter.
+# Exit if the argument is not a directory.
+if [ "$1" == "--config" ]
+then
+  shift
+  conf_dir="$1"
+  if [ ! -d "$conf_dir" ]
+  then
+    echo "ERROR : $conf_dir is not a directory"
+    echo $usage
+    exit 1
+  else
+    export SPARK_CONF_DIR="$conf_dir"
+  fi
+  shift
+fi
+
+. "${SPARK_HOME}/bin/load-spark-env.sh"
+
+if [ "$HOSTLIST" = "" ]; then
+  if [ "$SPARK_SLAVES" = "" ]; then
+    if [ -f "${SPARK_CONF_DIR}/slaves" ]; then
+      HOSTLIST=`cat "${SPARK_CONF_DIR}/slaves"`
+    else
+      HOSTLIST=localhost
+    fi
+  else
+    HOSTLIST=`cat "${SPARK_SLAVES}"`
+  fi
+fi
+
+
+
+# By default disable strict host key checking
+if [ "$SPARK_SSH_OPTS" = "" ]; then
+  SPARK_SSH_OPTS="-o StrictHostKeyChecking=no"
+fi
+
+for slave in `echo "$HOSTLIST"|sed  "s/#.*$//;/^$/d"`; do
+  if [ -n "${SPARK_SSH_FOREGROUND}" ]; then
+    ssh $SPARK_SSH_OPTS "$slave" $"${@// /\\ }" \
+      2>&1 | sed "s/^/$slave: /"
+  else
+    ssh $SPARK_SSH_OPTS "$slave" $"${@// /\\ }" \
+      2>&1 | sed "s/^/$slave: /" &
+  fi
+  if [ "$SPARK_SLAVE_SLEEP" != "" ]; then
+    sleep $SPARK_SLAVE_SLEEP
+  fi
+done
+
+wait