69 lines
1.9 KiB
Bash
69 lines
1.9 KiB
Bash
# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# included in all the hadoop scripts with source command
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# should not be executable directly
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# also should not be passed any arguments, since we need original $*
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# resolve links - $0 may be a softlink
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this="$0"
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while [ -h "$this" ]; do
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ls=`ls -ld "$this"`
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link=`expr "$ls" : '.*-> \(.*\)$'`
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if expr "$link" : '.*/.*' > /dev/null; then
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this="$link"
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else
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this=`dirname "$this"`/"$link"
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fi
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done
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# convert relative path to absolute path
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bin=`dirname "$this"`
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script=`basename "$this"`
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bin=`cd "$bin"; pwd`
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this="$bin/$script"
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# the root of the Hadoop installation
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export YARN_HOME=`dirname "$this"`/..
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#check to see if the conf dir is given as an optional argument
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if [ $# -gt 1 ]
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then
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if [ "--config" = "$1" ]
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then
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shift
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confdir=$1
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shift
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YARN_CONF_DIR=$confdir
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fi
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fi
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# Allow alternate conf dir location.
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YARN_CONF_DIR="${YARN_CONF_DIR:-$YARN_HOME/conf}"
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#check to see it is specified whether to use the slaves or the
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# masters file
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if [ $# -gt 1 ]
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then
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if [ "--hosts" = "$1" ]
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then
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shift
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slavesfile=$1
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shift
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export YARN_SLAVES="${YARN_CONF_DIR}/$slavesfile"
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fi
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fi
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