remove system tracking

* Leave the artisanal handcrafted migration from vendored fact scan to
external fact gathering.

awx/main/models/__init__.py

@@ -49,7 +49,6 @@ from awx.main.models.mixins import (  # noqa
     TaskManagerUnifiedJobMixin,
 )
 from awx.main.models.notifications import Notification, NotificationTemplate # noqa
-from awx.main.models.fact import Fact # noqa
 from awx.main.models.label import Label # noqa
 from awx.main.models.workflow import (  # noqa
     WorkflowJob, WorkflowJobNode, WorkflowJobOptions, WorkflowJobTemplate,

awx/main/models/fact.py

@@ -1,70 +0,0 @@
-# Copyright (c) 2016 Ansible, Inc.
-# All Rights Reserved.
-
-import logging
-
-from django.db import models
-from django.utils.translation import ugettext_lazy as _
-
-from awx.main.fields import JSONBField
-
-__all__ = ('Fact',)
-
-logger = logging.getLogger('awx.main.models.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,
-        help_text=_('Host for the facts that the fact scan captured.'),
-    )
-    timestamp = models.DateTimeField(
-        default=None,
-        editable=False,
-        help_text=_('Date and time of the corresponding fact scan gathering time.')
-    )
-    module = models.CharField(max_length=128)
-    facts = JSONBField(blank=True, default={}, help_text=_('Arbitrary JSON structure of module facts captured at timestamp for a single host.'))
-
-    class Meta:
-        app_label = 'main'
-        index_together = [
-            ["timestamp", "module", "host"],
-        ]
-
-    @staticmethod
-    def get_host_fact(host_id, module, timestamp):
-        qs = Fact.objects.filter(host__id=host_id, module=module, timestamp__lte=timestamp).order_by('-timestamp')
-        if qs:
-            return qs[0]
-        else:
-            return None
-
-    @staticmethod
-    def get_timeline(host_id, module=None, ts_from=None, ts_to=None):
-        kwargs = {
-            'host__id': host_id,
-        }
-        if module:
-            kwargs['module'] = module
-        if ts_from and ts_to and ts_from == ts_to:
-            kwargs['timestamp'] = ts_from
-        else:
-            if ts_from:
-                kwargs['timestamp__gt'] = ts_from
-            if ts_to:
-                kwargs['timestamp__lte'] = ts_to
-        return Fact.objects.filter(**kwargs).order_by('-timestamp').only('timestamp', 'module').order_by('-timestamp', 'module')
-
-    @staticmethod
-    def add_fact(host_id, module, timestamp, facts):
-        fact_obj = Fact.objects.create(host_id=host_id, module=module, timestamp=timestamp, facts=facts)
-        fact_obj.save()
-        return fact_obj
-