use the standard list for src,dest and mode

playbooks/roles/hadoop_common/tasks/main.yml

@@ -98,28 +98,28 @@
 
 - name: Configuration installed
   template:
-    src: "{{ item }}.j2"
-    dest: "{{ HADOOP_COMMON_CONF_DIR }}/{{ item }}"
-    mode: "0640"
+    src: "{{ item.src }}"
+    dest: "{{ HADOOP_COMMON_CONF_DIR }}/{{ item.dest }}"
+    mode: "{{ item.mode }}"
     owner: "{{ hadoop_common_user }}"
     group: "{{ hadoop_common_group }}"
   with_items:
-    - hadoop-env.sh
-    - mapred-site.xml
-    - core-site.xml
-    - hdfs-site.xml
-    - yarn-site.xml
+    - { src: 'hadoop-env.sh.j2', dest: 'hadoop-env.sh', mode: '0640' }
+    - { src: 'mapred-site.xml.j2', dest: 'mapred-site.xml', mode: '0640' }
+    - { src: 'core-site.xml.j2', dest: 'core-site.xml', mode: '0640' }
+    - { src: 'hdfs-site.xml.j2', dest: 'hdfs-site.xml', mode: '0640' }
+    - { src: 'yarn-site.xml.j2', dest: 'yarn-site.xml', mode: '0640' }
 
 - name: Upstart scripts installed
   template:
-    src: "{{ item }}.j2"
-    dest: "/etc/init/{{ item }}"
-    mode: "0640"
+    src: "{{ item.src }}"
+    dest: "/etc/init/{{ item.dest }}"
+    mode: "{{ item.mode }}"
     owner: root
     group: root
   with_items:
-    - hdfs.conf
-    - yarn.conf
+    - { src: 'hdfs.conf.j2', dest: 'hdfs.conf', mode: '0640' }
+    - { src: 'yarn.conf.j2', dest: 'yarn.conf', mode: '0640' }
 
 - name: Hadoop env file exists
   file: