Handle inventory types where Automation Hub collection names differ

Move imports added by Bill to be in-line, because utils should not import models at top

Remove more get_licenser inline imports

awx/main/utils/licensing.py

@@ -15,6 +15,7 @@ from datetime import datetime, timezone
 import collections
 import copy
 import io
+import os
 import json
 import logging
 import re
@@ -34,8 +35,6 @@ from cryptography import x509
 from django.conf import settings
 from django.utils.translation import ugettext_lazy as _
 
-# AWX
-from awx.main.models import Host, HostMetric, Instance
 
 MAX_INSTANCES = 9999999
 
@@ -379,10 +378,9 @@ class Licenser(object):
             return attrs
         attrs['valid_key'] = True
 
-        if Host:
-            current_instances = Host.objects.active_count()
-        else:
-            current_instances = 0
+        from awx.main.models import Host, HostMetric, Instance
+
+        current_instances = Host.objects.active_count()
         license_date = int(attrs.get('license_date', 0) or 0)
         automated_instances = HostMetric.objects.count()
         first_host = HostMetric.objects.only('first_automation').order_by('first_automation').first()
@@ -408,3 +406,19 @@ class Licenser(object):
         attrs['date_warning'] = bool(time_remaining < self.SUBSCRIPTION_TIMEOUT)
         attrs['date_expired'] = bool(time_remaining <= 0)
         return attrs
+
+
+def get_licenser(*args, **kwargs):
+    from awx.main.utils.licensing import Licenser, OpenLicense
+
+    try:
+        if os.path.exists('/var/lib/awx/.tower_version'):
+            return Licenser(*args, **kwargs)
+        else:
+            return OpenLicense()
+    except Exception as e:
+        raise ValueError(_('Error importing License: %s') % e)
+
+
+def server_product_name():
+    return 'AWX' if isinstance(get_licenser(), OpenLicense) else 'Red Hat Ansible Automation Platform'