Remove network_ui Client model

awx/network_ui/CONTRIBUTING.md

@@ -33,7 +33,7 @@ information about the interfaces on the devices and the links connecting those
 interfaces.
 
 These requirements determine the database schema needed for the network UI which
-requires these models: Topology, Device, Interface, Link, Client, and TopologyInventory.
+requires these models: Topology, Device, Interface, Link, and TopologyInventory.
 
 ![Models](designs/models.png)
 
@@ -46,7 +46,6 @@ The models are:
 * Link - a physical connection between two devices to their respective interfaces
 * Topology - a collection of devices and links
 * TopologyInventory - a mapping between topologies and Tower inventories
-* Client - a UI client session
 
 
 Network UI Websocket Protocol
@@ -117,7 +116,7 @@ the database.
 Client Tracking
 ---------------
 
-Each user session to the network UI canvas is tracked with the `Client` model.  Multiple
+Each user session to the network UI canvas is tracked with the `client_id` param.  Multiple
 clients can view and interact with the network UI canvas at a time.  They will see each other's
 edits to the canvas in real time.  This works by broadcasting the canvas change events to
 all clients viewing the same topology.

awx/network_ui/consumers.py

@@ -1,13 +1,15 @@
 # Copyright (c) 2017 Red Hat, Inc
 import channels
 from channels.auth import channel_session_user, channel_session_user_from_http
-from awx.network_ui.models import Topology, Device, Link, Client, Interface
+from awx.network_ui.models import Topology, Device, Link, Interface
 from awx.network_ui.models import TopologyInventory
 from awx.main.models.inventory import Inventory
 import urlparse
 from django.db.models import Q
 from collections import defaultdict
 import logging
+import uuid
+import six
 
 
 from awx.network_ui.utils import transform_dict
@@ -245,11 +247,10 @@ def ws_connect(message):
     topology_id = topology.pk
     message.channel_session['topology_id'] = topology_id
     channels.Group("topology-%s" % topology_id).add(message.reply_channel)
-    client = Client()
-    client.save()
-    message.channel_session['client_id'] = client.pk
-    channels.Group("client-%s" % client.pk).add(message.reply_channel)
-    message.reply_channel.send({"text": json.dumps(["id", client.pk])})
+    client_id = six.text_type(uuid.uuid4())
+    message.channel_session['client_id'] = client_id
+    channels.Group("client-%s" % client_id).add(message.reply_channel)
+    message.reply_channel.send({"text": json.dumps(["id", client_id])})
     message.reply_channel.send({"text": json.dumps(["topology_id", topology_id])})
     topology_data = transform_dict(dict(id='topology_id',
                                         name='name',

awx/network_ui/docs/models.yml

@@ -86,13 +86,6 @@ models:
   name: Topology
   x: 111
   y: 127
-- fields:
-  - name: client_id
-    pk: true
-    type: AutoField
-  name: Client
-  x: -162
-  y: 282
 - display: name
   fields:
   - name: interface_id

awx/network_ui/migrations/0002_delete_client.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.11 on 2018-05-30 17:18
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('network_ui', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name='Client',
+        ),
+    ]

awx/network_ui/models.py

@@ -42,11 +42,6 @@ class Topology(models.Model):
         return self.name
 
 
-class Client(models.Model):
-
-    id = models.AutoField(primary_key=True,)
-
-
 class Interface(models.Model):
 
     id = models.AutoField(primary_key=True,)

awx/network_ui/tests/functional/test_consumers.py

@@ -8,7 +8,7 @@ patch('channels.auth.channel_session_user_from_http', lambda x: x).start()
 
 from awx.main.models import Inventory  # noqa
 from awx.network_ui.consumers import parse_inventory_id, networking_events_dispatcher, send_snapshot # noqa
-from awx.network_ui.models import Topology, Device, Link, Interface, TopologyInventory, Client # noqa
+from awx.network_ui.models import Topology, Device, Link, Interface, TopologyInventory # noqa
 import awx # noqa
 import awx.network_ui # noqa
 import awx.network_ui.consumers # noqa
@@ -181,7 +181,7 @@ def test_ws_connect_new_topology():
     mock_user = mock.Mock()
     message = mock.MagicMock(user=mock_user)
     logger = logging.getLogger('awx.network_ui.consumers')
-    with mock.patch('awx.network_ui.consumers.Client') as client_mock,\
+    with mock.patch('awx.network_ui.consumers.uuid') as client_mock,\
             mock.patch('awx.network_ui.consumers.Topology') as topology_mock,\
             mock.patch('channels.Group'),\
             mock.patch('awx.network_ui.consumers.send_snapshot') as send_snapshot_mock,\
@@ -194,13 +194,13 @@ def test_ws_connect_new_topology():
             mock.patch.object(Link, 'objects'),\
             mock.patch.object(Interface, 'objects'),\
             mock.patch.object(Inventory, 'objects') as inventory_objects:
-        client_mock.return_value.pk = 777
+        client_mock.uuid4 = mock.MagicMock(return_value="777")
         topology_mock.return_value = Topology(
             name="topology", scale=1.0, panX=0, panY=0, pk=999)
         inventory_objects.get.return_value = mock.Mock(admin_role=[mock_user])
         awx.network_ui.consumers.ws_connect(message)
         message.reply_channel.send.assert_has_calls([
-            mock.call({'text': '["id", 777]'}),
+            mock.call({'text': '["id", "777"]'}),
             mock.call({'text': '["topology_id", 999]'}),
             mock.call(
                 {'text': '["Topology", {"scale": 1.0, "name": "topology", "device_id_seq": 0, "panY": 0, "panX": 0, "topology_id": 999, "link_id_seq": 0}]'}),
@@ -212,7 +212,7 @@ def test_ws_connect_existing_topology():
     mock_user = mock.Mock()
     message = mock.MagicMock(user=mock_user)
     logger = logging.getLogger('awx.network_ui.consumers')
-    with mock.patch('awx.network_ui.consumers.Client') as client_mock,\
+    with mock.patch('awx.network_ui.consumers.uuid') as client_mock,\
             mock.patch('awx.network_ui.consumers.send_snapshot') as send_snapshot_mock,\
             mock.patch('channels.Group'),\
             mock.patch.object(logger, 'warning'),\
@@ -226,7 +226,7 @@ def test_ws_connect_existing_topology():
             mock.patch.object(Inventory, 'objects') as inventory_objects:
         topology_inventory_objects_mock.filter.return_value.values_list.return_value = [
             1]
-        client_mock.return_value.pk = 888
+        client_mock.uuid4 = mock.MagicMock(return_value="888")
         topology_objects_mock.get.return_value = Topology(pk=1001,
                                                           id=1,
                                                           name="topo",
@@ -238,7 +238,7 @@ def test_ws_connect_existing_topology():
         inventory_objects.get.return_value = mock.Mock(admin_role=[mock_user])
         awx.network_ui.consumers.ws_connect(message)
         message.reply_channel.send.assert_has_calls([
-            mock.call({'text': '["id", 888]'}),
+            mock.call({'text': '["id", "888"]'}),
             mock.call({'text': '["topology_id", 1001]'}),
             mock.call(
                 {'text': '["Topology", {"scale": 1.0, "name": "topo", "device_id_seq": 1, "panY": 0, "panX": 0, "topology_id": 1001, "link_id_seq": 1}]'}),