def test_get_details(self):
"""
GET - Detailed attributes
"""
self.api_client.login(username='******', password='******')
instance = OpenEdXInstanceFactory(sub_domain='domain.api')
app_server = make_test_appserver(instance)
instance.active_appserver = app_server # Outside of tests, use set_appserver_active() instead
instance.save()
response = self.api_client.get('/api/v1/instance/{pk}/'.format(pk=instance.ref.pk))
self.assertEqual(response.status_code, status.HTTP_200_OK)
instance_data = response.data.items()
self.assertIn(('domain', 'domain.api.example.com'), instance_data)
self.assertIn(('is_shut_down', False), instance_data)
self.assertIn(('name', instance.name), instance_data)
self.assertIn(('url', 'http://domain.api.example.com/'), instance_data)
self.assertIn(('studio_url', 'http://studio-domain.api.example.com/'), instance_data)
self.assertIn(
('edx_platform_repository_url', 'https://github.com/{}.git'.format(settings.DEFAULT_FORK)),
instance_data
)
self.assertIn(('edx_platform_commit', 'master'), instance_data)
# AppServer info:
self.assertIn(('appserver_count', 1), instance_data)
self.assertIn('active_appserver', response.data)
self.assertIn('newest_appserver', response.data)
for key in ('active_appserver', 'newest_appserver'):
app_server_data = response.data[key]
self.assertEqual(app_server_data['id'], app_server.pk)
self.assertEqual(
app_server_data['api_url'], 'http://testserver/api/v1/openedx_appserver/{pk}/'.format(pk=app_server.pk)
)
self.assertEqual(app_server_data['status'], 'new')
def test_shut_down(self, mock_reconfigure, mock_disable_monitoring, mock_remove_dns_records):
"""
Test that `shut_down` method terminates all app servers belonging to an instance
and disables monitoring.
"""
instance = OpenEdXInstanceFactory()
instance.load_balancing_server = LoadBalancingServer.objects.select_random()
instance.save()
reference_date = timezone.now()
# Create app servers
obsolete_appserver = self._create_running_appserver(instance, reference_date - timedelta(days=5))
obsolete_appserver_failed = self._create_failed_appserver(instance, reference_date - timedelta(days=5))
recent_appserver = self._create_running_appserver(instance, reference_date - timedelta(days=1))
recent_appserver_failed = self._create_failed_appserver(instance, reference_date - timedelta(days=1))
active_appserver = self._create_running_appserver(instance, reference_date)
newer_appserver = self._create_running_appserver(instance, reference_date + timedelta(days=3))
newer_appserver_failed = self._create_failed_appserver(instance, reference_date + timedelta(days=3))
# Set single app server active
instance.active_appserver = active_appserver
instance.save()
active_appserver.instance.refresh_from_db()
self.assertEqual(mock_reconfigure.call_count, 0)
self.assertEqual(mock_disable_monitoring.call_count, 0)
self.assertEqual(mock_remove_dns_records.call_count, 0)
# Shut down instance
instance.shut_down()
self.assertEqual(mock_reconfigure.call_count, 1)
self.assertEqual(mock_disable_monitoring.call_count, 1)
self.assertEqual(mock_remove_dns_records.call_count, 1)
# Check status of running app servers
self._assert_status([
(obsolete_appserver, AppServerStatus.Terminated, ServerStatus.Terminated),
(recent_appserver, AppServerStatus.Terminated, ServerStatus.Terminated),
(active_appserver, AppServerStatus.Terminated, ServerStatus.Terminated),
(newer_appserver, AppServerStatus.Terminated, ServerStatus.Terminated),
])
# Check status of failed app servers:
# AppServerStatus.Terminated is reserved for instances that were running successfully at some point,
# so app servers with AppServerStatus.ConfigurationFailed will still have that status
# after `shut_down` calls `terminate_vm` on them.
# However, the VM (OpenStackServer) that an app server is associated with
# *should* have ServerStatus.Terminated if the app server was old enough to be terminated.
self._assert_status([
(obsolete_appserver_failed, AppServerStatus.ConfigurationFailed, ServerStatus.Terminated),
(recent_appserver_failed, AppServerStatus.ConfigurationFailed, ServerStatus.Terminated),
(newer_appserver_failed, AppServerStatus.ConfigurationFailed, ServerStatus.Terminated),
])
def test_terminate_obsolete_appservers(self, days):
"""
Test that `terminate_obsolete_appservers` correctly identifies and terminates app servers
that were created (more than) `days` before the currently-active app server of the parent instance.
"""
instance = OpenEdXInstanceFactory()
reference_date = timezone.now()
# Create app servers
obsolete_appserver = self._create_running_appserver(instance, reference_date - timedelta(days=days + 1))
obsolete_appserver_failed = self._create_failed_appserver(instance, reference_date - timedelta(days=days + 1))
recent_appserver = self._create_running_appserver(instance, reference_date - timedelta(days=days - 1))
recent_appserver_failed = self._create_failed_appserver(instance, reference_date - timedelta(days=days - 1))
active_appserver = self._create_running_appserver(instance, reference_date)
newer_appserver = self._create_running_appserver(instance, reference_date + timedelta(days=days))
newer_appserver_failed = self._create_failed_appserver(instance, reference_date + timedelta(days=days))
# Set single app server active
instance.active_appserver = active_appserver
instance.save()
# Terminate app servers
instance.terminate_obsolete_appservers(days=days)
# Check status of running app servers
self._assert_status([
(obsolete_appserver, AppServerStatus.Terminated, ServerStatus.Terminated),
(recent_appserver, AppServerStatus.Running, ServerStatus.Pending),
(active_appserver, AppServerStatus.Running, ServerStatus.Pending),
(newer_appserver, AppServerStatus.Running, ServerStatus.Pending),
])
# Check status of failed app servers:
# AppServerStatus.Terminated is reserved for instances that were running successfully at some point,
# so app servers with AppServerStatus.ConfigurationFailed will still have that status
# after `terminate_obsolete_appservers` calls `terminate_vm` on them.
# However, the VM (OpenStackServer) that an app server is associated with
# *should* have ServerStatus.Terminated if the app server was old enough to be terminated.
self._assert_status([
(obsolete_appserver_failed, AppServerStatus.ConfigurationFailed, ServerStatus.Terminated),
(recent_appserver_failed, AppServerStatus.ConfigurationFailed, ServerStatus.Pending),
(newer_appserver_failed, AppServerStatus.ConfigurationFailed, ServerStatus.Pending),
])
def test_shut_down_monitors_not_found(self, *mock_methods):
"""
Test that instance `is_shut_down` after calling `shut_down` on it,
even if monitors associated with it no longer exist.
"""
monitor_ids = [str(uuid4()) for i in range(3)]
instance = OpenEdXInstanceFactory()
appserver = self._create_running_appserver(instance)
instance.active_appserver = appserver
instance.save()
appserver.instance.refresh_from_db()
for monitor_id in monitor_ids:
instance.new_relic_availability_monitors.create(pk=monitor_id)
responses.add(
responses.DELETE,
'{0}/monitors/{1}'.format(newrelic.SYNTHETICS_API_URL, monitor_id),
status=requests.codes.not_found # pylint: disable=no-member
)
# Preconditions
self.assertEqual(instance.new_relic_availability_monitors.count(), 3)
self.assertFalse(instance.is_shut_down)
# Shut down instance
instance.shut_down()
# Instance should
# - no longer have any monitors associated with it
# - no longer have any running app servers
# - be considered "shut down"
self.assertEqual(instance.new_relic_availability_monitors.count(), 0)
self._assert_status([
(appserver, AppServerStatus.Terminated, ServerStatus.Terminated),
])
self.assertTrue(instance.is_shut_down)
