ansible-hadoop/roles/hdfs/files/hadoop-config.sh
Björn Busse d20e855344 Add files
2021-03-09 20:18:15 +01:00

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#!/usr/bin/env bash
set -ueo pipefail
HDFS_CONFIG_TEMPLATE="/tmp/hadoop/etc/hadoop/hdfs-site.xml.j2"
HDFS_CONFIG_TEMPLATE_CORE="/tmp/hadoop/etc/hadoop/core-site.xml.j2"
HDFS_CONFIG_TEMPLATE_MAPRED="/tmp/hadoop/etc/hadoop/mapred-site.xml.j2"
SCRIPT_PATH=$(dirname "$0")
source setup.sh
create_hdfs_core_config_template() {
#printf "Writing HDFS core-site.xml config\n"
read -r -d '' CONFIG <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://{{ hdfs_cluster_id }}</value>
</property>
<property>
<name>dfs.journalnode.edits.dir</name>
<value>/.tmp/hadoop</value>
</property>
</configuration>
EOF
echo "$CONFIG"
}
create_hdfs_mapred_config_template() {
#printf "Writing HDFS mapred-site.xml config\n"
read -r -d '' CONFIG <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://{{ cluster_ha_id }}</value>
</property>
</configuration>
EOF
echo "$CONFIG"
}
create_hdfs_config_template() {
#printf "Writing HDFS hdfs-site.xml config\n"
read -r -d '' CONFIG <<EOF
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>dfs.nameservices</name>
<value>{{ hdfs_cluster_id }}</value>
</property>
<property>
<name>dfs.ha.namenodes.{{ hdfs_cluster_id }}</name>
<value>nn1,nn2</value>
</property>
<property>
<name>fs.defaultFS</name>
<value>hdfs://{{ hdfs_cluster_id }}</value>
</property>
<property>
<name>dfs.namenode.rpc-address.{{ hdfs_cluster_id }}.nn1</name>
<value>{{ namenode_1 }}:8020</value>
</property>
<property>
<name>dfs.namenode.rpc-address.{{ hdfs_cluster_id }}.nn2</name>
<value>{{ namenode_2 }}:8020</value>
</property>
<property>
<name>dfs.namenode.http-address.{{ hdfs_cluster_id }}.nn1</name>
<value>{{ namenode_1 }}:50070</value>
</property>
<property>
<name>dfs.namenode.http-address.{{ hdfs_cluster_id }}.nn2</name>
<value>{{ namenode_2}}:50070</value>
</property>
<property>
<name>dfs.namenode.http-address.{{ hdfs_cluster_id }}.nn1</name>
<value>{{ namenode_1 }}:9870</value>
</property>
<property>
<name>dfs.namenode.http-address.{{ hdfs_cluster_id }}.nn2</name>
<value>{{ namenode_2 }}:9870</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>/tmp/hdfs/namenode</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>/tmp/hdfs/datanode</value>
</property>
<property>
<name>dfs.namenode.shared.edits.dir</name>
<value>file:///tmp/hadoop</value>
</property>
<property>
<name>ha.zookeeper.quorum</name>
<value>127.0.0.1:2181</value>
</property>
</configuration>
EOF
echo "$CONFIG"
}
HDFS_CONFIG=$(create_hdfs_config_template)
HDFS_CONFIG_CORE=$(create_hdfs_core_config_template)
HDFS_CONFIG_MAPRED=$(create_hdfs_mapred_config_template)
write_file ${HDFS_CONFIG_TEMPLATE} "${HDFS_CONFIG}"
write_file ${HDFS_CONFIG_TEMPLATE_CORE} "${HDFS_CONFIG_CORE}"
write_file ${HDFS_CONFIG_TEMPLATE_MAPRED} "${HDFS_CONFIG_MAPRED}"