Remove event hosts relationship as well

awx/api/serializers.py

@@ -3837,8 +3837,6 @@ def get_related(self, obj):
         res['children'] = self.reverse('api:job_event_children_list', kwargs={'pk': obj.pk})
         if obj.host_id:
             res['host'] = self.reverse('api:host_detail', kwargs={'pk': obj.host_id})
-        if obj.hosts.exists():
-            res['hosts'] = self.reverse('api:job_event_hosts_list', kwargs={'pk': obj.pk})
         return res
 
     def get_summary_fields(self, obj):

awx/api/views/__init__.py

@@ -3814,6 +3814,12 @@ class JobEventHostsList(HostRelatedSearchMixin, SubListAPIView):
     relationship = 'hosts'
     name = _('Job Event Hosts List')
 
+    def get_queryset(self):
+        parent_event = self.get_parent_object()
+        self.check_parent_access(parent_event)
+        qs = self.request.user.get_queryset(self.model).filter(job_events_as_primary_host=parent_event)
+        return qs
+
 
 class BaseJobEventsList(NoTruncateMixin, SubListAPIView):
 
@@ -3855,7 +3861,6 @@ def get_queryset(self):
         self.check_parent_access(job)
         qs = job.job_events
         qs = qs.select_related('host')
-        qs = qs.prefetch_related('hosts')
         return qs.all()
 
 

awx/main/access.py

@@ -2238,7 +2238,7 @@ class JobEventAccess(BaseAccess):
     '''
 
     model = JobEvent
-    prefetch_related = ('hosts', 'job__job_template', 'host',)
+    prefetch_related = ('job__job_template', 'host',)
 
     def filtered_queryset(self):
         return self.model.objects.filter(

awx/main/migrations/0104_v370_remove_jobevent_hosts.py

@@ -0,0 +1,17 @@
+# Generated by Django 2.2.8 on 2020-01-15 18:01
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('main', '0103_v370_remove_jobevent_parent'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='jobevent',
+            name='hosts',
+        ),
+    ]

awx/main/models/events.py

@@ -450,11 +450,6 @@ class Meta:
         default='',
         editable=False,
     )
-    hosts = models.ManyToManyField(
-        'Host',
-        related_name='job_events',
-        editable=False,
-    )
     parent_uuid = models.CharField(
         max_length=1024,
         default='',