DEV-452: added DEBUG statements to get more information in case of problems

roles/restore_maria/tasks/main.yml

@@ -19,6 +19,23 @@
       user={{ mysql_root_username }}
       password={{ mysql_root_password }}
 
+- name: DEBUG
+  debug:
+    msg: "ansible_all_ipv4_addresses: {{ ansible_all_ipv4_addresses }}"
+
+- name: DEBUG
+  debug:
+    msg: "ansible_all_ipv4_addresses-FILTERED:  {{ ansible_all_ipv4_addresses | ansible.netcommon.ipaddr(shared_service_network) }}"
+
+- name: DEBUG
+  debug:
+    msg: "ansible_all_ipv4_addresses-FILTERED-firstelem:  {{ ansible_all_ipv4_addresses | ansible.netcommon.ipaddr(shared_service_network) | first }}"
+
+- name: DEBUG - break if only one IPv4-address was found
+  assert:
+    that:
+      - ansible_all_ipv4_addresses | length == 2
+
 - name: "Install mariadb via include_role"
   vars:
     mysql_packages: