Change ansible_hostname to use ansible_facts

The tasks fail with 'ansible_hostname' is undefined

Change-Id: Icd86e8897da6908747c39940c2150d236360aeef
Resolves: rhbz#1988392
(cherry picked from commit 4512793bd3)

roles/tls_everywhere/tasks/common.yaml

@@ -41,7 +41,7 @@
 - name: Firewall validations
   when: ipa_ca_ping_status.rc == 0
   block:
-    - name: Check all relevant ports for IdM/FreeIPA are accessible from {{ ansible_hostname }}
+    - name: Check all relevant ports for IdM/FreeIPA are accessible from {{ ansible_facts['hostname'] }}
       wait_for:
         host: ipa-ca
         port: "{{ item }}"
@@ -62,14 +62,14 @@
     - name: Set facts for ok firewall settings
       set_fact:
         firewall_status: "{{ helper_status_ok }}"
-        firewall_reason: "The host {{ ansible_hostname }} can access FreeIPA through all relevant ports"
+        firewall_reason: "The host {{ ansible_facts['hostname'] }} can access FreeIPA through all relevant ports"
         firewall_recommendations: null
       when: "'failed' not in port_status"
 
     - name: Set facts for issues in firewall settings
       set_fact:
         firewall_status: "{{ helper_status_error }}"
-        firewall_reason: "The host {{ ansible_hostname }} could NOT access IdM/FreeIPA on some ports"
+        firewall_reason: "The host {{ ansible_facts['hostname'] }} could NOT access IdM/FreeIPA on some ports"
         firewall_recommendations:
           - "Please make sure that the following ports are open on the IdM/FreeIPA node: {{ firewall_query }}"
       vars:
@@ -81,7 +81,7 @@
 - name: Set facts for skipping firewall checks
   set_fact:
     firewall_status: "{{ helper_status_skipped }}"
-    firewall_reason: "skipped {{ ansible_hostname }} firewall checks because DNS wasn't set correctly."
+    firewall_reason: "skipped {{ ansible_facts['hostname'] }} firewall checks because DNS wasn't set correctly."
     firewall_recommendations: null
   when: ipa_ca_ping_status.rc != 0