adds fact model

awx/main/models/fact.py

@@ -0,0 +1,32 @@
+# Copyright (c) 2016 Ansible, Inc.
+# All Rights Reserved.
+
+from django.db import models
+from jsonbfield.fields import JSONField
+
+from awx.main.models import Host
+
+__all__ = ('Fact', )
+
+class Fact(models.Model):
+    """A model representing a fact returned from Ansible.
+    Facts are stored as JSON dictionaries.
+    """
+    host = models.ForeignKey(
+        Host,
+        related_name='facts',
+        db_index=True,
+        on_delete=models.CASCADE,
+    )
+    timestamp = models.DateTimeField(default=None, editable=False)
+    created = models.DateTimeField(editable=False, auto_now_add=True)
+    modified = models.DateTimeField(editable=False, auto_now=True)
+    module = models.CharField(max_length=128)
+    facts = JSONField(blank=True, default={})
+
+    class Meta:
+        app_label = 'main'
+        index_together = [
+            ["timestamp", "module", "host"],
+        ]
+