[fluo-muchos] branch master updated: Fixes #236 - Map reduce not running with hadoop 3 (#238)

[mwalch]

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mwalch pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new f9ef5ce  Fixes #236 - Map reduce not running with hadoop 3 (#238)
f9ef5ce is described below

commit f9ef5ce8b43c466fe64f31cfbf618ea73b9b83bb
Author: Mike Walch <mwa...@apache.org>
AuthorDate: Wed Nov 21 16:41:00 2018 -0500

    Fixes #236 - Map reduce not running with hadoop 3 (#238)
    
    Update configuration template to set additional variables when Hadoop 3 is 
detected.
---
 ansible/roles/hadoop/templates/mapred-site.xml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/ansible/roles/hadoop/templates/mapred-site.xml 
b/ansible/roles/hadoop/templates/mapred-site.xml
index 93a57d5..157351a 100644
--- a/ansible/roles/hadoop/templates/mapred-site.xml
+++ b/ansible/roles/hadoop/templates/mapred-site.xml
@@ -35,4 +35,18 @@
               {%- if not loop.last -%} , {%- endif -%}
            {%- endfor %}</value>
   </property>
+{% if hadoop_major_version == '3' %}
+  <property>
+    <name>yarn.app.mapreduce.am.env</name>
+    <value>HADOOP_MAPRED_HOME={{ hadoop_home }}</value>
+  </property>
+  <property>
+    <name>mapreduce.map.env</name>
+    <value>HADOOP_MAPRED_HOME={{ hadoop_home }}</value>
+  </property>
+  <property>
+    <name>mapreduce.reduce.env</name>
+    <value>HADOOP_MAPRED_HOME={{ hadoop_home }}</value>
+  </property>
+{% endif %}
 </configuration>