| #!/bin/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. |
| set -e |
| |
| |
| |
| # Check |
| if ! command -v java; then |
| echo "Please check java in PATH" |
| exit 1 |
| fi |
| if [[ -z $HADOOP_HOME ]]; then |
| echo "Please export HADOOP_HOME" |
| exit 1 |
| fi |
| |
| # Configure |
| tee $HADOOP_HOME/etc/hadoop/core-site.xml << EOF_core_site |
| <configuration> |
| <property> |
| <name>fs.defaultFS</name> |
| <value>hdfs://localhost:8020</value> |
| </property> |
| </configuration> |
| EOF_core_site |
| tee $HADOOP_HOME/etc/hadoop/hdfs-site.xml << EOF_hdfs_site |
| <configuration> |
| <property> |
| <name>dfs.namenode.name.dir</name> |
| <value>file:///tmp/db_data/hdfs/name</value> |
| </property> |
| <property> |
| <name>dfs.datanode.data.dir</name> |
| <value>file:///tmp/db_data/hdfs/data</value> |
| </property> |
| </configuration> |
| EOF_hdfs_site |
| |
| tee -a $HADOOP_HOME/etc/hadoop/hadoop-env.sh << EOF_hadoop_env |
| export JAVA_HOME=$(java -XshowSettings:properties -version 2>&1 | sed -nE 's|.*java.home = (.*)|\1|p') |
| EOF_hadoop_env |
| |
| # Clean |
| $HADOOP_HOME/sbin/stop-dfs.sh |
| rm -rf /tmp/db_data/hdfs/name /tmp/db_data/hdfs/data |
| |
| # Initialize |
| install -d /tmp/db_data/hdfs/name |
| install -d /tmp/db_data/hdfs/data |
| hdfs namenode -format |
| |
| # Start |
| $HADOOP_HOME/sbin/start-dfs.sh |
| |
| # Connect |
| hdfs dfsadmin -report |
| hdfs dfs -ls / |