Allow overriding YARN/MR banned.users via an attribute (#1243)

Author: vt0r

cookbooks/bcpc-hadoop/attributes/yarn.rb

@@ -12,6 +12,7 @@
 default['bcpc']['hadoop']['yarn']['resourcemanager']['jmx']['port'] = 3131
 default['bcpc']['hadoop']['yarn']['scheduler']['fair']['min-vcores'] = 2
 default['bcpc']['hadoop']['yarn']['min-free-space-per-disk-mb'] = 100
+default['bcpc']['hadoop']['yarn']['banned_users'] = 'hdfs,yarn,mapred,bin'
 default['bcpc']['hadoop']['yarn']['min_user_id'] = 1000
 default['bcpc']['hadoop']['yarn']['timeline_server']['webapp']['port'] = 8188
 default['bcpc']['hadoop']['yarn']['resourcemanager']['webapp']['port'] = 8088

cookbooks/bcpc-hadoop/templates/default/hdp_container-executor.cfg.erb

@@ -1,5 +1,5 @@
 yarn.nodemanager.local-dirs=<%=@mounts.map{ |d| "file:///disk/#{d}/yarn/local" }.join(",")%>
 yarn.nodemanager.linux-container-executor.group=yarn
 yarn.nodemanager.log-dirs=<%=@mounts.map{ |d| "file:///disk/#{d}/yarn/logs" }.join(",")%>
-banned.users=hdfs,yarn,mapred,bin      
+banned.users=<%= node['bcpc']['hadoop']['yarn']['banned_users'] %>
 min.user.id=<%= node['bcpc']['hadoop']['yarn']['min_user_id'] %>