added deafault env vars for hadoop in Dockerfile

Dockerfile

@@ -4,6 +4,29 @@ MAINTAINER Yiannis Mouchakis <gmouchakis@iit.demokritos.gr>
 
 ENV HIVE_VERSION 2.0.0
 
+ENV CORE_CONF_fs_defaultFS hdfs://namenode:8020
+ENV CORE_CONF_hadoop_http_staticuser_user root
+ENV CORE_CONF_hadoop_proxyuser_hue_hosts *
+ENV CORE_CONF_hadoop_proxyuser_hue_groups *
+
+ENV HDFS_CONF_dfs_webhdfs_enabled true
+ENV HDFS_CONF_dfs_permissions_enabled false
+
+ENV YARN_CONF_yarn_log___aggregation___enable true
+ENV YARN_CONF_yarn_resourcemanager_recovery_enabled true
+ENV YARN_CONF_yarn_resourcemanager_store_class org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore
+ENV YARN_CONF_yarn_resourcemanager_fs_state___store_uri /rmstate
+ENV YARN_CONF_yarn_nodemanager_remote___app___log___dir /app-logs
+ENV YARN_CONF_yarn_log_server_url http://historyserver:8188/applicationhistory/logs/
+ENV YARN_CONF_yarn_timeline___service_enabled true
+ENV YARN_CONF_yarn_timeline___service_generic___application___history_enabled true
+ENV YARN_CONF_yarn_resourcemanager_system___metrics___publisher_enabled true
+ENV YARN_CONF_yarn_resourcemanager_hostname resourcemanager
+ENV YARN_CONF_yarn_timeline___service_hostname historyserver
+ENV YARN_CONF_yarn_resourcemanager_address resourcemanager:8032
+ENV YARN_CONF_yarn_resourcemanager_scheduler_address resourcemanager:8030
+ENV YARN_CONF_yarn_resourcemanager_resource__tracker_address resourcemanager:8031
+
 WORKDIR /opt
 
 RUN apt-get update && apt-get install -y wget && \