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author | Hossein Falaki <falaki@gmail.com> | 2014-01-07 21:28:26 -0800 |
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committer | Hossein Falaki <falaki@gmail.com> | 2014-01-07 21:28:26 -0800 |
commit | 46cb980a5f5ba55f341b8bcce4f0d1e5213989d3 (patch) | |
tree | ff3823085f27c0f4477d25a056d333c429c5d6c9 /sbin/spark-daemon.sh | |
parent | 150089dae12bbba693db4edbfcea360b443637df (diff) | |
parent | b2e690f839e7ee47f405135d35170173386c5d13 (diff) | |
download | spark-46cb980a5f5ba55f341b8bcce4f0d1e5213989d3.tar.gz spark-46cb980a5f5ba55f341b8bcce4f0d1e5213989d3.tar.bz2 spark-46cb980a5f5ba55f341b8bcce4f0d1e5213989d3.zip |
Fixed merge conflict
Diffstat (limited to 'sbin/spark-daemon.sh')
-rwxr-xr-x | sbin/spark-daemon.sh | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/sbin/spark-daemon.sh b/sbin/spark-daemon.sh new file mode 100755 index 0000000000..2be2b3d7c0 --- /dev/null +++ b/sbin/spark-daemon.sh @@ -0,0 +1,183 @@ +#!/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 Spark command as a daemon. +# +# Environment Variables +# +# SPARK_CONF_DIR Alternate conf dir. Default is ${SPARK_PREFIX}/conf. +# SPARK_LOG_DIR Where log files are stored. PWD by default. +# SPARK_MASTER host:path where spark code should be rsync'd from +# SPARK_PID_DIR The pid files are stored. /tmp by default. +# SPARK_IDENT_STRING A string representing this instance of spark. $USER by default +# SPARK_NICENESS The scheduling priority for daemons. Defaults to 0. +## + +usage="Usage: spark-daemon.sh [--config <conf-dir>] (start|stop) <spark-command> <spark-instance-number> <args...>" + +# if no args specified, show usage +if [ $# -le 1 ]; then + echo $usage + exit 1 +fi + +sbin=`dirname "$0"` +sbin=`cd "$sbin"; pwd` + +. "$sbin/spark-config.sh" + +# get arguments + +# 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 + +startStop=$1 +shift +command=$1 +shift +instance=$1 +shift + +spark_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.$num"; + fi +} + +if [ -f "${SPARK_CONF_DIR}/spark-env.sh" ]; then + . "${SPARK_CONF_DIR}/spark-env.sh" +fi + +if [ "$SPARK_IDENT_STRING" = "" ]; then + export SPARK_IDENT_STRING="$USER" +fi + + +export SPARK_PRINT_LAUNCH_COMMAND="1" + +# get log directory +if [ "$SPARK_LOG_DIR" = "" ]; then + export SPARK_LOG_DIR="$SPARK_HOME/logs" +fi +mkdir -p "$SPARK_LOG_DIR" +touch $SPARK_LOG_DIR/.spark_test > /dev/null 2>&1 +TEST_LOG_DIR=$? +if [ "${TEST_LOG_DIR}" = "0" ]; then + rm -f $SPARK_LOG_DIR/.spark_test +else + chown $SPARK_IDENT_STRING $SPARK_LOG_DIR +fi + +if [ "$SPARK_PID_DIR" = "" ]; then + SPARK_PID_DIR=/tmp +fi + +# some variables +export SPARK_LOGFILE=spark-$SPARK_IDENT_STRING-$command-$instance-$HOSTNAME.log +export SPARK_ROOT_LOGGER="INFO,DRFA" +log=$SPARK_LOG_DIR/spark-$SPARK_IDENT_STRING-$command-$instance-$HOSTNAME.out +pid=$SPARK_PID_DIR/spark-$SPARK_IDENT_STRING-$command-$instance.pid + +# Set default scheduling priority +if [ "$SPARK_NICENESS" = "" ]; then + export SPARK_NICENESS=0 +fi + + +case $startStop in + + (start) + + mkdir -p "$SPARK_PID_DIR" + + if [ -f $pid ]; then + if kill -0 `cat $pid` > /dev/null 2>&1; then + echo $command running as process `cat $pid`. Stop it first. + exit 1 + fi + fi + + if [ "$SPARK_MASTER" != "" ]; then + echo rsync from $SPARK_MASTER + rsync -a -e ssh --delete --exclude=.svn --exclude='logs/*' --exclude='contrib/hod/logs/*' $SPARK_MASTER/ "$SPARK_HOME" + fi + + spark_rotate_log "$log" + echo starting $command, logging to $log + cd "$SPARK_PREFIX" + nohup nice -n $SPARK_NICENESS "$SPARK_PREFIX"/bin/spark-class $command "$@" >> "$log" 2>&1 < /dev/null & + newpid=$! + echo $newpid > $pid + sleep 2 + # Check if the process has died; in that case we'll tail the log so the user can see + if ! kill -0 $newpid >/dev/null 2>&1; then + echo "failed to launch $command:" + tail -2 "$log" | sed 's/^/ /' + echo "full log in $log" + fi + ;; + + (stop) + + if [ -f $pid ]; then + if kill -0 `cat $pid` > /dev/null 2>&1; then + echo stopping $command + kill `cat $pid` + else + echo no $command to stop + fi + else + echo no $command to stop + fi + ;; + + (*) + echo $usage + exit 1 + ;; + +esac + + |