Use awx_plugins.interfaces for runtime detection

The original function name was `server_product_name()` but it didn't
really represent what it did. So it was renamed into
`detect_server_product_name()` in an attempt of disambiguation.

awx/api/generics.py

@@ -30,6 +30,9 @@
 from rest_framework.renderers import StaticHTMLRenderer
 from rest_framework.negotiation import DefaultContentNegotiation
 
+# Shared code for the AWX platform
+from awx_plugins.interfaces._temporary_private_licensing_api import detect_server_product_name
+
 # django-ansible-base
 from ansible_base.rest_filters.rest_framework.field_lookup_backend import FieldLookupBackend
 from ansible_base.lib.utils.models import get_all_field_names
@@ -43,7 +46,6 @@
 from awx.main.models.rbac import give_creator_permissions
 from awx.main.access import optimize_queryset
 from awx.main.utils import camelcase_to_underscore, get_search_fields, getattrd, get_object_or_400, decrypt_field, get_awx_version
-from awx.main.utils.licensing import server_product_name
 from awx.main.utils.proxy import is_proxy_in_headers, delete_headers_starting_with_http
 from awx.main.views import ApiErrorView
 from awx.api.serializers import ResourceAccessListElementSerializer, CopySerializer
@@ -254,7 +256,7 @@ def finalize_response(self, request, response, *args, **kwargs):
         time_started = getattr(self, 'time_started', None)
         if request.user.is_authenticated:
             response['X-API-Product-Version'] = get_awx_version()
-        response['X-API-Product-Name'] = server_product_name()
+        response['X-API-Product-Name'] = detect_server_product_name()
 
         response['X-API-Node'] = settings.CLUSTER_HOST_ID
         if time_started:

awx/main/utils/licensing.py

@@ -15,7 +15,6 @@
 import collections
 import copy
 import io
-import os
 import json
 import logging
 import re
@@ -35,6 +34,9 @@
 from django.conf import settings
 from django.utils.translation import gettext_lazy as _
 
+# Shared code for the AWX platform
+from awx_plugins.interfaces._temporary_private_licensing_api import detect_server_product_name
+
 from awx.main.constants import SUBSCRIPTION_USAGE_MODEL_UNIQUE_HOSTS
 
 MAX_INSTANCES = 9999999
@@ -480,13 +482,9 @@ 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:
+        if detect_server_product_name() == 'AWX':
             return OpenLicense()
+        else:
+            return Licenser(*args, **kwargs)
     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'

awx/ui/urls.py

@@ -2,7 +2,8 @@
 from django.utils.translation import gettext_lazy as _
 from django.views.generic.base import TemplateView
 
-from awx.main.utils.licensing import server_product_name
+# Shared code for the AWX platform
+from awx_plugins.interfaces._temporary_private_licensing_api import detect_server_product_name
 
 
 class IndexView(TemplateView):
@@ -14,7 +15,7 @@ class MigrationsNotran(TemplateView):
 
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
-        product_name = server_product_name()
+        product_name = detect_server_product_name()
         context['title'] = _('%s Upgrading' % product_name)
         context['image_alt'] = _('Logo')
         context['aria_spinner'] = _('Loading')