Added FQDN resolving in mail notification templates to denote the host that an action originated

flowspec/templatetags/tofqdn.py

+from django import template
+from django.utils.safestring import mark_safe
+from django.utils.encoding import force_unicode
+import socket
+
+register = template.Library()
+
+@register.filter
+def tofqdn(value):
+    try:
+        fqdn = socket.getfqdn(value)
+        if fqdn == value:
+            return False
+        else:
+            return fqdn
+    except socket.gaierror:
+        return False
+        
\ No newline at end of file

templates/rule_add_mail.txt

+{% load tofqdn %}
 A new rule creation job has spawned
 
 Peer: {{route.applier.get_profile.peer.peer_name}}
-User {{route.applier.username}} requested the application of the following rule from address {{address}} :
+User {{route.applier.username}} requested the application of the following rule from address {{address}} {% if address|tofqdn %}({{address|tofqdn}}){% endif %}:
 
 Match
 * Dst Addr:{{route.destination}}

templates/rule_delete_mail.txt

+{% load tofqdn %}
 A new rule removal job has spawned
 
 Peer: {{route.applier.get_profile.peer.peer_name}}
-User {{route.applier.username}} requested the removal of the following rule from address {{address}} :
+User {{route.applier.username}} requested the removal of the following rule from address {{address}} {% if address|tofqdn %}({{address|tofqdn}}){% endif %}:
 
 Match
 * Dst Addr:{{route.destination}}

templates/rule_edit_mail.txt

+{% load tofqdn %}
 A new rule edit job has spawned
 
 Peer: {{route.applier.get_profile.peer.peer_name}}
-User {{route.applier.username}} requested the application of the following rule from address {{address}} :
+User {{route.applier.username}} requested the application of the following rule from address {{address}} {% if address|tofqdn %}({{address|tofqdn}}){% endif %}:
 
 Match
 * Dst Addr:{{route.destination}}