move iptables setup to openshift-prereq

roles/iptables/tasks/main.yml

@@ -1,12 +0,0 @@
----
-
-  - name: Install iptables-services
-    yum: name=iptables-services state=installed
-    tags: rpm
-
-  - name: Disable firewalld
-    service: name=firewalld state=stopped enabled=no
-    ignore_errors: yes # The firewalld service might not be installed, ignore error
-
-  - name: Enable iptables
-    service: name=iptables state=started enabled=yes

roles/openshift-prereq/tasks/main.yml

@@ -7,6 +7,17 @@
         - "ansible_os_family == 'RedHat'"
         - "ansible_distribution_version == '7.3'"
 
+  - name: Install iptables-services
+    yum: name=iptables-services state=installed
+    tags: rpm
+
+  - name: Disable firewalld
+    service: name=firewalld state=stopped enabled=no
+    ignore_errors: yes # The firewalld service might not be installed, ignore error
+
+  - name: Enable iptables
+    service: name=iptables state=started enabled=yes
+
   - name: First, disable any repos (using subscription-manager)
     command: subscription-manager repos --disable="*"
     tags: rpm