feat: icinga mail notifications

roles/monitoring-master/tasks/icinga.yaml

@@ -90,6 +90,18 @@
   notify:
     - restart icinga
 
+- name: Template icinga configuration
+  template:
+    src: "{{ item }}"
+    dest: /etc/icinga2/conf.d/
+    owner: root
+    group: nagios
+    mode: 0640
+  with_items:
+    - mail_notifications.conf
+  notify:
+    - restart icinga
+
 - name: Change icinga log level
   lineinfile:
     path: /etc/icinga2/features-enabled/mainlog.conf