Update: Replace deprecated ansible_os_family with ansible_facts.os_family

- x2go-server.yml: Updated condition to use ansible_facts.os_family
- upgrade.yml: Updated all conditions and commented lines
- caching-nameserver.yml: Updated RedHat OS family checks

Fixes deprecation warning in Ansible 2.12+

roles/common/tasks/caching-nameserver.yml

@@ -60,7 +60,7 @@
     update_cache: yes
     #cache_valid_time: 3600
   when:
-    - ansible_os_family == "RedHat"
+    - ansible_facts.os_family == "RedHat"
     - ansible_facts["distribution"] == "CentOS"
   tags:
     - yum-update
@@ -70,7 +70,7 @@
     name: "{{ yum_bind_pks }}"
     state: "{{ yum_install_state }}"
   when:
-    - ansible_os_family == "RedHat"
+    - ansible_facts.os_family == "RedHat"
     - ansible_facts["distribution"] == "CentOS"
   tags:
     - yum-caching-nameserver

roles/common/tasks/x2go-server.yml

@@ -9,10 +9,11 @@
     name:
       - x2goserver
       - x2goserver-xsession
-      - x2gobroker-daemon
+      - x2goserver-printing
+      - cups-x2go
     state: present
   when:
-    - ansible_os_family == "Debian"
+    - ansible_facts.os_family == "Debian"
     - "groups['x2go_server']|string is search(inventory_hostname)"
   tags:
     - x2g--server