def test_status_transitions(self):
"""
Test that status transitions work as expected for different server workflows
"""
# Normal workflow
server = OpenStackServerFactory()
self.assertEqual(server.status, ServerStatus.Pending)
self._assert_status_conditions(server)
server._status_to_building()
self.assertEqual(server.status, ServerStatus.Building)
self._assert_status_conditions(server)
server._status_to_booting()
self.assertEqual(server.status, ServerStatus.Booting)
self._assert_status_conditions(server, vm_available=True)
server._status_to_ready()
self.assertEqual(server.status, ServerStatus.Ready)
self._assert_status_conditions(server, is_steady_state=True, accepts_ssh_commands=True, vm_available=True)
server._status_to_terminated()
self.assertEqual(server.status, ServerStatus.Terminated)
self._assert_status_conditions(server, is_steady_state=True)
# Server creation fails
instance_bad_server = BuildingOpenStackServerFactory()
instance_bad_server._status_to_build_failed()
self.assertEqual(instance_bad_server.status, ServerStatus.BuildFailed)
self._assert_status_conditions(server, is_steady_state=True)
def test_status_transitions(self):
"""
Test that status transitions work as expected for different server workflows
"""
# Normal workflow
server = OpenStackServerFactory()
self.assertEqual(server.status, ServerStatus.Pending)
self._assert_status_conditions(server)
server._status_to_building()
self.assertEqual(server.status, ServerStatus.Building)
self._assert_status_conditions(server)
server._status_to_unknown()
self.assertEqual(server.status, ServerStatus.Unknown)
self._assert_status_conditions(server)
server._status_to_building()
self.assertEqual(server.status, ServerStatus.Building)
self._assert_status_conditions(server)
server._status_to_booting()
self.assertEqual(server.status, ServerStatus.Booting)
self._assert_status_conditions(server, vm_available=True)
server._status_to_unknown()
self.assertEqual(server.status, ServerStatus.Unknown)
self._assert_status_conditions(server)
server._status_to_booting()
self.assertEqual(server.status, ServerStatus.Booting)
self._assert_status_conditions(server, vm_available=True)
server._status_to_ready()
self.assertEqual(server.status, ServerStatus.Ready)
self._assert_status_conditions(server,
is_steady_state=True,
accepts_ssh_commands=True,
vm_available=True)
server._status_to_unknown()
self.assertEqual(server.status, ServerStatus.Unknown)
self._assert_status_conditions(server)
server._status_to_ready()
self.assertEqual(server.status, ServerStatus.Ready)
self._assert_status_conditions(server,
is_steady_state=True,
accepts_ssh_commands=True,
vm_available=True)
server._status_to_terminated()
self.assertEqual(server.status, ServerStatus.Terminated)
self._assert_status_conditions(server, is_steady_state=True)
# Server creation fails
instance_bad_server = BuildingOpenStackServerFactory()
instance_bad_server._status_to_build_failed()
self.assertEqual(instance_bad_server.status, ServerStatus.BuildFailed)
self._assert_status_conditions(server, is_steady_state=True)
def test_update_status_building(self):
"""
Update status while the server is building, without change on the OpenStack VM
"""
server = BuildingOpenStackServerFactory(os_server_fixture='openstack/api_server_1_building.json')
self.assertEqual(server.status, ServerStatus.Building)
self.assertIsInstance(server.update_status(), ServerStatus.Building)
self.assertEqual(server.status, ServerStatus.Building)
def test_update_status_building(self):
"""
Update status while the server is building, without change on the OpenStack VM
"""
server = BuildingOpenStackServerFactory(os_server_fixture='openstack/api_server_1_building.json')
self.assertEqual(server.status, ServerStatus.Building)
self.assertIsInstance(server.update_status(), ServerStatus.Building)
self.assertEqual(server.status, ServerStatus.Building)
def test_server_status_terminated(self):
"""
Server status of an instance should revert to 'empty' when all its servers are terminated
"""
instance = SingleVMOpenEdXInstanceFactory()
server = BuildingOpenStackServerFactory(instance=instance)
self.assertEqual(instance.server_status, server.Status.Building)
server._status_to_terminated()
self.assertIsNone(instance.server_status)
def test_update_status_building_to_booting(self, mock_is_port_open):
"""
Update status while the server is building, when the VM becomes active
"""
mock_is_port_open.return_value = False
server = BuildingOpenStackServerFactory(os_server_fixture='openstack/api_server_2_active.json')
self.assertEqual(server.status, ServerStatus.Building)
self.assertIsInstance(server.update_status(), ServerStatus.Booting)
self.assertEqual(server.status, ServerStatus.Booting)
def test_update_status_building_to_booting(self, mock_is_port_open):
"""
Update status while the server is building, when the VM becomes active
"""
mock_is_port_open.return_value = False
server = BuildingOpenStackServerFactory(os_server_fixture='openstack/api_server_2_active.json')
self.assertEqual(server.status, ServerStatus.Building)
self.assertIsInstance(server.update_status(), ServerStatus.Booting)
self.assertEqual(server.status, ServerStatus.Booting)
def test_public_ip_active_server(self):
"""
Get the public IP of an active server
"""
server = BuildingOpenStackServerFactory(
os_server_fixture='openstack/api_server_2_active.json')
self.assertEqual(server.public_ip, '192.168.100.200')
def test_public_ip_building_server(self):
"""
A server in 'building' status doesn't have a public IP
"""
server = BuildingOpenStackServerFactory(
os_server_fixture='openstack/api_server_1_building.json')
self.assertEqual(server.public_ip, None)
def test_server_status(self):
"""
Server status of an instance with one active server
"""
instance = SingleVMOpenEdXInstanceFactory()
self.assertIsNone(instance.server_status)
server = OpenStackServerFactory(instance=instance)
self.assertEqual(instance.server_status, Server.Status.Pending)
server._status_to_building()
self.assertEqual(instance.server_status, Server.Status.Building)
server._status_to_booting()
self.assertEqual(instance.server_status, Server.Status.Booting)
server._status_to_ready()
self.assertEqual(instance.server_status, Server.Status.Ready)
server._status_to_terminated()
self.assertIsNone(instance.server_status)
bad_instance = SingleVMOpenEdXInstanceFactory()
bad_server = BuildingOpenStackServerFactory(instance=bad_instance)
bad_server._status_to_build_failed()
self.assertEqual(bad_instance.server_status, Server.Status.BuildFailed)
def test_inventory_str(self, os_server_manager):
"""
Ansible inventory - showing servers once they are in ready status
"""
instance = SingleVMOpenEdXInstanceFactory()
self.assertEqual(instance.inventory_str, '[app]')
# Server 0: 'pending'
OpenStackServerFactory(instance=instance)
self.assertEqual(instance.inventory_str, '[app]')
# Server 1: 'building'
BuildingOpenStackServerFactory(instance=instance)
self.assertEqual(instance.inventory_str, '[app]')
# Server 2: 'failed'
server2 = BuildingOpenStackServerFactory(instance=instance)
server2._status_to_build_failed()
self.assertEqual(instance.inventory_str, '[app]')
# Server 3: 'booting'
server3 = BootingOpenStackServerFactory(instance=instance)
os_server_manager.add_fixture(server3.openstack_id, 'openstack/api_server_2_active.json')
self.assertEqual(instance.inventory_str, '[app]')
# Server 4: 'terminated'
server4 = ReadyOpenStackServerFactory(instance=instance)
server4._status_to_terminated()
os_server_manager.add_fixture(server4.openstack_id, 'openstack/api_server_2_active.json')
self.assertEqual(instance.inventory_str, '[app]')
# Server 5: 'ready'
server5 = ReadyOpenStackServerFactory(instance=instance)
os_server_manager.add_fixture(server5.openstack_id, 'openstack/api_server_2_active.json')
self.assertEqual(instance.inventory_str, '[app]\n192.168.100.200')
# Server 6: 'ready'
server6 = ReadyOpenStackServerFactory(instance=instance)
os_server_manager.add_fixture(server6.openstack_id, 'openstack/api_server_3_active.json')
self.assertEqual(instance.inventory_str, '[app]\n192.168.100.200\n192.168.99.66')