modified for centos6 and 7 compatible

porch/templates/bind_main.j2

@@ -122,10 +122,27 @@
     group: named
     recurse: yes
 
+- name: Add named to rc.local (CentOS 6)
+  lineinfile:
+    name: /etc/rc.local
+    line: "/usr/sbin/named -u named"
+  when:
+    - ansible_distribution == "CentOS"
+    - ansible_distribution_major_version == "6"
+
+- name: Run named (CentOS 6)
+  command: /usr/sbin/named -u named
+  when:
+    - ansible_distribution == "CentOS"
+    - ansible_distribution_major_version == "6"
+
 - name: Copy named.service systemd file.
   copy:
     src: named.service
     dest: /etc/systemd/system/named.service
+  when:
+    - ansible_distribution == "CentOS"
+    - ansible_distribution_major_version == "7"
 
 - name: Run named service
   systemd:
@@ -133,4 +150,7 @@
     daemon-reload: yes
     enabled: yes
     state: started
+  when:
+    - ansible_distribution == "CentOS"
+    - ansible_distribution_major_version == "7"
 ...