Implement has_debug_instance and use to lower ttl

group_vars/all/vars.yml

@@ -31,7 +31,8 @@ backup_mysql_database_scripts_directory: "{{ backup_scripts_directory }}/mysql_d
 # If debug mode is disabled, the compatibility to the "debug domain" will be lost and the original's instance DNS config will be overwritten
 # Other variables will need to be adjusted if both instances run on the same server
 is_debug_instance: no
-delete_debug_dns_entries: "{{ not is_debug_instance }}"
+has_debug_instance: "{{ is_debug_instance }}"
+delete_debug_dns_entries: "{{ not has_debug_instance }}"
 debug_domain: "debug-instance.{{ domain }}" # used if is_debug_instance / on "debug mode", should only prefix domain
 effective_domain: "{{ is_debug_instance | ternary(debug_domain, domain) }}"
 
@@ -52,6 +53,7 @@ global_dns_session_key_path: "/var/run/named/session.key"
 global_dns_session_key_algorithm: "hmac-sha512"
 global_dns_update_key_algorithm: "ED25519"
 global_dns_ttl: "{{ 60 * 60 }}" # default if omitted in all cases
+global_dns_debug_ttl: "{{ 60 }}" # mostly used if has_debug_instance to allow short transfer times
 
 global_ssh_key_directory: "{{ global_public_key_directory }}/ssh"
 global_ssh_host_key_directory: "{{ global_ssh_key_directory }}/hosts"

roles/dns/entries/defaults/main.yml

@@ -7,6 +7,6 @@
 dns_zone_domain: "{{ lookup('pipe', global_public_key_directory|quote + '/dns_zone.py ' + domain|quote) }}" # domain of dns zone
 dns_system_domain: "{{ lookup('file', global_dns_list_directory + '/' + dns_zone_domain) }}" # domain of dns authority server
 
-ttl_default: "{{ global_dns_ttl }}" # TTL for all entries where none was given
+ttl_default: "{{ has_debug_instance | ternary(global_dns_debug_ttl, global_dns_ttl) }}" # TTL for all entries where none was given
 
 # entries (example: [{domain: "example.com.", ttl: 86400, class: "IN", type: "A", data: "0.0.0.0"},"example.com. IN AAAA ::",…], type/data or raw required, class will be ignored)