def test_change_agent_id_with_inactive_node(self):
"""Tests the NodeManager where a registered node changes its agent ID, and the node is inactive"""
manager = NodeManager()
manager.register_agents([self.agent_1, self.agent_2])
manager.sync_with_database(scheduler_mgr.config)
# Node 2 is now inactive
Node.objects.filter(
id=manager.get_node(self.agent_2.agent_id).id).update(
is_active=False)
manager.sync_with_database(scheduler_mgr.config)
manager.lost_node(self.agent_2.agent_id)
manager.register_agents([self.agent_3])
manager.sync_with_database(scheduler_mgr.config)
# Make sure two nodes are registered, one for agent 1 and one for agent 3, and both are online
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 2)
node_1 = manager.get_node(self.agent_1.agent_id)
self.assertEqual(node_1.hostname, self.node_1.hostname)
self.assertTrue(node_1._is_online)
self.assertIsNone(manager.get_node(self.agent_2.agent_id))
node_2 = manager.get_node(self.agent_3.agent_id)
self.assertEqual(node_2.hostname, 'host_2')
self.assertTrue(node_2._is_online)
self.assertFalse(node_2._is_active)
def test_sync_and_remove_node_model(self, mock_get_slaves):
"""Tests doing a successful database update when a node model should be removed from the scheduler"""
mock_get_slaves.return_value = self.slave_infos
# Initial sync
manager = NodeManager()
manager.register_agent_ids([self.node_agent_1, self.node_agent_2])
manager.sync_with_database('master_host', 5050)
# Database model changes to inactive
self.node_1.is_active = False
self.node_1.save()
# Node is lost
manager.lost_node(self.node_agent_1)
# Sync with database
manager.sync_with_database('master_host', 5050)
# Make sure node 1 is gone
found_node_1 = False
for node in manager.get_nodes():
if node.hostname == self.node_1.hostname:
found_node_1 = True
self.assertFalse(found_node_1)
def test_change_agent_id_with_inactive_node(self, mock_get_slaves):
"""Tests the NodeManager where a registered node changes its agent ID, and the node is inactive"""
mock_get_slaves.return_value = self.slave_infos
manager = NodeManager()
manager.register_agent_ids([self.node_agent_1, self.node_agent_2])
manager.sync_with_database('master_host', 5050)
# Node 2 is now inactive
Node.objects.filter(id=manager.get_node(self.node_agent_2).id).update(is_active=False)
manager.sync_with_database('master_host', 5050)
mock_get_slaves.return_value = self.slave_infos_updated
manager.lost_node(self.node_agent_2)
manager.register_agent_ids([self.node_agent_3])
manager.sync_with_database('master_host', 5050)
# Make sure two nodes are registered, one for agent 1 and one for agent 3, and both are online
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 2)
node_1 = manager.get_node(self.node_agent_1)
self.assertEqual(node_1.hostname, self.node_1.hostname)
self.assertTrue(node_1._is_online)
self.assertIsNone(manager.get_node(self.node_agent_2))
node_2 = manager.get_node(self.node_agent_3)
self.assertEqual(node_2.hostname, 'host_2')
self.assertTrue(node_2._is_online)
self.assertFalse(node_2._is_active)
def test_lost_known_node(self):
"""Tests the NodeManager where a known node was lost"""
manager = NodeManager()
manager.register_agents([self.agent_1, self.agent_2])
manager.sync_with_database(scheduler_mgr.config)
manager.lost_node(self.agent_2.agent_id)
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 2)
node_1 = manager.get_node(self.agent_1.agent_id)
self.assertTrue(node_1._is_online)
node_2 = manager.get_node(self.agent_2.agent_id)
self.assertFalse(node_2._is_online)
def test_lost_unknown_node(self):
"""Tests the NodeManager where an unknown node was lost"""
manager = NodeManager()
manager.register_agents([self.agent_1, self.agent_2])
manager.lost_node(self.agent_2.agent_id)
manager.sync_with_database(scheduler_mgr.config)
# Unknown node 2 was lost before syncing with database, it should not appear in the manager
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 1)
node_1 = manager.get_node(self.agent_1.agent_id)
self.assertEqual(node_1.hostname, self.node_1.hostname)
self.assertTrue(node_1._is_online)
self.assertIsNone(manager.get_node(self.agent_2.agent_id))
def test_lost_known_node(self, mock_get_slaves):
"""Tests the NodeManager where a known node was lost"""
mock_get_slaves.return_value = self.slave_infos
manager = NodeManager()
manager.register_agent_ids([self.node_agent_1, self.node_agent_2])
manager.sync_with_database('master_host', 5050)
manager.lost_node(self.node_agent_2)
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 2)
node_1 = manager.get_node(self.node_agent_1)
self.assertTrue(node_1.is_online)
node_2 = manager.get_node(self.node_agent_2)
self.assertFalse(node_2.is_online)
def test_lost_known_node(self, mock_get_slaves):
"""Tests the NodeManager where a known node was lost"""
mock_get_slaves.return_value = self.slave_infos
manager = NodeManager()
manager.register_agent_ids([self.node_agent_1, self.node_agent_2])
manager.sync_with_database('master_host', 5050)
manager.lost_node(self.node_agent_2)
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 2)
node_1 = manager.get_node(self.node_agent_1)
self.assertTrue(node_1._is_online)
node_2 = manager.get_node(self.node_agent_2)
self.assertFalse(node_2._is_online)
def test_lost_unknown_node(self, mock_get_slaves):
"""Tests the NodeManager where an unknown node was lost"""
mock_get_slaves.return_value = self.slave_infos
manager = NodeManager()
manager.register_agent_ids([self.node_agent_1, self.node_agent_2])
manager.lost_node(self.node_agent_2)
manager.sync_with_database('master_host', 5050)
# Unknown node 2 was lost before syncing with database, it should not appear in the manager
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 1)
node_1 = manager.get_node(self.node_agent_1)
self.assertEqual(node_1.hostname, self.node_1.hostname)
self.assertTrue(node_1.is_online)
self.assertIsNone(manager.get_node(self.node_agent_2))
def test_lost_unknown_node(self, mock_get_slaves):
"""Tests the NodeManager where an unknown node was lost"""
mock_get_slaves.return_value = self.slave_infos
manager = NodeManager()
manager.register_agent_ids([self.node_agent_1, self.node_agent_2])
manager.lost_node(self.node_agent_2)
manager.sync_with_database('master_host', 5050)
# Unknown node 2 was lost before syncing with database, it should not appear in the manager
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 1)
node_1 = manager.get_node(self.node_agent_1)
self.assertEqual(node_1.hostname, self.node_1.hostname)
self.assertTrue(node_1._is_online)
self.assertIsNone(manager.get_node(self.node_agent_2))
def test_change_agent_id(self):
"""Tests the NodeManager where a registered node changes its agent ID"""
manager = NodeManager()
manager.register_agents([self.agent_1, self.agent_2])
manager.sync_with_database(scheduler_mgr.config)
manager.lost_node(self.agent_2.agent_id)
manager.register_agents([self.agent_3])
manager.sync_with_database(scheduler_mgr.config)
# Make sure two nodes are registered, one for agent 1 and one for agent 3, and both are online
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 2)
node_1 = manager.get_node(self.agent_1.agent_id)
self.assertEqual(node_1.hostname, self.node_1.hostname)
self.assertTrue(node_1._is_online)
self.assertIsNone(manager.get_node(self.agent_2.agent_id))
node_2 = manager.get_node(self.agent_3.agent_id)
self.assertEqual(node_2.hostname, 'host_2')
self.assertTrue(node_2._is_online)
def test_pull_task_change_agent_id(self):
"""Tests the NodeManager where a node's agent ID changes during a pull task"""
when = now()
manager = NodeManager()
manager.register_agents([self.agent_1, self.agent_2])
manager.sync_with_database(scheduler_mgr.config)
for node in manager.get_nodes():
node._last_health_task = when
node._initial_cleanup_completed()
node._update_state()
tasks = manager.get_next_tasks(when)
task_mgr = TaskManager()
task_2 = None
for task in tasks:
task_mgr.launch_tasks([task], when)
if task.agent_id == self.agent_2.agent_id:
task_2 = task
# Node 2 changes agent ID to 3
manager.lost_node(self.agent_2.agent_id)
manager.register_agents([self.agent_3])
manager.sync_with_database(scheduler_mgr.config)
for node in manager.get_nodes():
node._last_health_task = when
node._initial_cleanup_completed()
node._update_state()
# Should get new Docker pull task for node 2
tasks = manager.get_next_tasks(when)
self.assertEqual(len(tasks), 1)
new_task_2 = tasks[0]
self.assertEqual(new_task_2.agent_id, self.agent_3.agent_id)
# Task update comes back for original node 2 Docker pull task, manager should ignore with no exception
update = job_test_utils.create_task_status_update(
task_2.id, task_2.agent_id, TaskStatusUpdate.FAILED, when)
task_mgr.handle_task_update(update)
manager.handle_task_update(update)
def test_sync_and_remove_node_model(self):
"""Tests doing a successful database update when a node model should be removed from the scheduler"""
# Initial sync
manager = NodeManager()
manager.register_agents([self.agent_1, self.agent_2])
manager.sync_with_database(scheduler_mgr.config)
# Database model changes to inactive
self.node_1.is_active = False
self.node_1.save()
# Node is lost
manager.lost_node(self.agent_1.agent_id)
# Sync with database
manager.sync_with_database(scheduler_mgr.config)
# Make sure node 1 is gone
found_node_1 = False
for node in manager.get_nodes():
if node.hostname == self.node_1.hostname:
found_node_1 = True
self.assertFalse(found_node_1)
def test_change_agent_id(self, mock_get_slaves):
"""Tests the NodeManager where a registered node changes its agent ID"""
mock_get_slaves.return_value = self.slave_infos
manager = NodeManager()
manager.register_agent_ids([self.node_agent_1, self.node_agent_2])
manager.sync_with_database('master_host', 5050)
mock_get_slaves.return_value = self.slave_infos_updated
manager.lost_node(self.node_agent_2)
manager.register_agent_ids([self.node_agent_3])
manager.sync_with_database('master_host', 5050)
# Make sure two nodes are registered, one for agent 1 and one for agent 3, and both are online
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 2)
node_1 = manager.get_node(self.node_agent_1)
self.assertEqual(node_1.hostname, self.node_1.hostname)
self.assertTrue(node_1.is_online)
self.assertIsNone(manager.get_node(self.node_agent_2))
node_2 = manager.get_node(self.node_agent_3)
self.assertEqual(node_2.hostname, 'host_2')
self.assertTrue(node_2.is_online)
