add firewalld_disabled variable to disable firewall rules

tasks/main.yml

@@ -6,6 +6,7 @@
 
 - name: firewalld configuration
   import_tasks: firewalld.yml
+  when: not firewalld_disabled | default(false)
 
 - name: openssh settings
   import_tasks: openssh.yml
@@ -14,4 +15,4 @@
   import_tasks: dns.yml
 
 - name: install ctop
-  import_tasks: ctop.yml
+  import_tasks: ctop.yml

tasks/packages.yml

@@ -32,4 +32,4 @@
       - sysstat
       - needrestart
       - ncat
-      - firewalld
+      - firewalld