add option to obtain api token only once

defaults/main.yml

@@ -13,6 +13,8 @@
 # @end
 # @var corenetworks_dns_default_zone: $ "_unset_"
 
+corenetworks_dns_token_run_once: False
+
 corenetworks_dns_pip: "pip{{ ansible_python.version.major }}"
 
 corenetworks_dns_delegate_to: localhost

tasks/setup.yml

@@ -15,6 +15,7 @@
   register: __corenetworks
   when: corenetworks_dns_token is not defined
   delegate_to: "{{ corenetworks_dns_delegate_to }}"
+  run_once: "{{ corenetworks_dns_token_run_once }}"
 
 - name: Create DNS records
   corenetworks_dns: