def test_job_exe_no_offers(self):
"""Tests the NodeManager where a node is running an exe and has not given offers to Scale in 1 hour.
Expected behavior: The node is scheduler and DB are in sync and the node is still active"""
last_offer = now() - datetime.timedelta(hours=1)
node_mgr = NodeManager()
node_mgr.register_agents([self.agent_1])
node_mgr.sync_with_database(scheduler_mgr.config)
# Add job to node
job_test_utils.create_running_job_exe(agent_id=self.agent_1,
node=self.node_1)
# Set last_offer_received to 1 hour ago
Node.objects.filter(id=self.node_1.id).update(
last_offer_received=last_offer)
# This inspects what nodes are running jobs and what nodes need to be removed if they
# have not sent offers in the last 5 minutes
node_mgr.sync_with_database(scheduler_mgr.config)
# Get the DB and Scheduler state and make sure they are consistent
db_record = Node.objects.get(id=self.node_1.id)
scheduler_record = node_mgr.get_node(self.agent_1.agent_id)
self.assertEqual(db_record.is_active, scheduler_record._is_active,
True)
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_successful_update(self):
"""Tests doing a successful database update"""
manager = NodeManager()
manager.register_agents([self.agent_1, self.agent_2])
manager.sync_with_database(scheduler_mgr.config)
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 2)
def test_sync_with_renamed_node(self):
"""Tests doing a successful database update when a node model has its hostname changed in the database"""
# Initial sync
manager = NodeManager()
manager.register_agents([self.agent_1, self.agent_2])
manager.sync_with_database(scheduler_mgr.config)
self.node_1.hostname = 'new_host_1'
self.node_1.save()
# No exception is success
manager.sync_with_database(scheduler_mgr.config)
def test_get_initial_cleanup_tasks(self):
"""Tests getting initial cleanup tasks from the manager"""
when = now()
manager = NodeManager()
tasks = manager.get_next_tasks(when)
self.assertListEqual(tasks, []) # No tasks yet due to no nodes
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
tasks = manager.get_next_tasks(when)
self.assertEqual(len(tasks), 2)
for task in tasks:
self.assertTrue(task.is_initial_cleanup)
def test_successful_update(self, mock_get_slaves):
"""Tests doing a successful database update"""
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)
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 2)
def test_sync_with_renamed_node(self, mock_get_slaves):
"""Tests doing a successful database update when a node model has its hostname changed in the database"""
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)
self.node_1.hostname = 'new_host_1'
self.node_1.save()
# No exception is success
manager.sync_with_database('master_host', 5050)
def test_get_initial_cleanup_tasks(self, mock_get_slaves):
"""Tests getting initial cleanup tasks from the manager"""
mock_get_slaves.return_value = self.slave_infos
when = now()
manager = NodeManager()
tasks = manager.get_next_tasks(when)
self.assertListEqual(tasks, []) # No tasks yet due to no nodes
manager.register_agent_ids([self.node_agent_1, self.node_agent_2])
manager.sync_with_database('master_host', 5050)
for node in manager.get_nodes():
node._last_heath_task = when
tasks = manager.get_next_tasks(when)
self.assertEqual(len(tasks), 2)
for task in tasks:
self.assertTrue(task.is_initial_cleanup)
def test_get_pull_tasks(self):
"""Tests getting Docker pull tasks from the manager"""
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)
self.assertEqual(len(tasks), 2)
for task in tasks:
self.assertTrue(isinstance(task, PullTask))
def test_sync_node_model(self):
"""Tests doing a successful database update when a node model has been updated in the database"""
# 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()
# Sync with database
manager.sync_with_database(scheduler_mgr.config)
found_node_1 = False
for node in manager.get_nodes():
if node.hostname == self.node_1.hostname:
found_node_1 = True
self.assertFalse(node.is_active)
self.assertTrue(found_node_1)
def test_no_job_exe_no_offers(self):
"""Tests the NodeManager where a node is not running an exe and has not given offers to Scale in 1 hour.
Expected behavior: The node is deleted and the DB model is update with is_active=False"""
last_offer = now() - datetime.timedelta(hours=1)
node_mgr = NodeManager()
node_mgr.register_agents([self.agent_1])
node_mgr.sync_with_database(scheduler_mgr.config)
# Set last_offer_received to 1 hour ago
Node.objects.filter(id=self.node_1.id).update(last_offer_received=last_offer)
# This inspects what nodes are running jobs and what nodes need to be removed if they
# have not sent offers in the last 5 minutes
node_mgr.sync_with_database(scheduler_mgr.config)
# Get the DB state
db_record = Node.objects.get(id=self.node_1.id)
self.assertIsNone(node_mgr.get_node(self.agent_1.agent_id))
self.assertEqual(db_record.is_active, False)
def test_get_pull_tasks(self, mock_get_slaves):
"""Tests getting Docker pull tasks from the manager"""
mock_get_slaves.return_value = self.slave_infos
when = now()
manager = NodeManager()
manager.register_agent_ids([self.node_agent_1, self.node_agent_2])
manager.sync_with_database('master_host', 5050)
for node in manager.get_nodes():
node._last_heath_task = when
node._initial_cleanup_completed()
node._update_state()
tasks = manager.get_next_tasks(when)
self.assertEqual(len(tasks), 2)
for task in tasks:
self.assertTrue(isinstance(task, PullTask))
def test_successful_update(self, mock_get_slaves):
"""Tests doing a successful database update"""
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)
nodes = manager.get_nodes()
self.assertEqual(len(nodes), 2)
def test_sync_node_model(self, mock_get_slaves):
"""Tests doing a successful database update when a node model has been updated in the database"""
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()
# Sync with database
manager.sync_with_database('master_host', 5050)
found_node_1 = False
for node in manager.get_nodes():
if node.hostname == self.node_1.hostname:
found_node_1 = True
self.assertFalse(node.is_active)
self.assertTrue(found_node_1)
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_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_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_job_exe_clean_task(self):
"""Tests the NodeManager where a cleanup task is returned to clean up a job execution"""
when = now()
node_mgr = NodeManager()
node_mgr.register_agents([self.agent_1, self.agent_2])
node_mgr.sync_with_database(scheduler_mgr.config)
cleanup_mgr = CleanupManager()
cleanup_mgr.update_nodes(node_mgr.get_nodes())
tasks = node_mgr.get_next_tasks(when)
task_mgr = TaskManager()
# Complete initial cleanup tasks
for task in tasks:
task_mgr.launch_tasks([task], now())
update = job_test_utils.create_task_status_update(
task.id, task.agent_id, TaskStatusUpdate.FINISHED, now())
task_mgr.handle_task_update(update)
node_mgr.handle_task_update(update)
# Mark image pull done to get rid of image tasks
for node in node_mgr.get_nodes():
node._image_pull_completed()
node._update_state()
job_exe = job_test_utils.create_running_job_exe(agent_id=self.agent_1,
node=self.node_1)
# Add a job execution to clean up and get the cleanup task for it
cleanup_mgr.add_job_execution(job_exe)
tasks = node_mgr.get_next_tasks(when)
self.assertEqual(len(tasks), 1)
task = tasks[0]
self.assertEqual(task.agent_id, self.agent_1.agent_id)
self.assertFalse(task.is_initial_cleanup)
self.assertEqual(len(task.job_exes), 1)
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_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_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_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_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_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)
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)
