263 lines
9.2 KiB
Python
263 lines
9.2 KiB
Python
import unittest
|
|
import etcd
|
|
import os.path
|
|
import time
|
|
import json
|
|
|
|
from trollius import coroutine, get_event_loop, From, Future, sleep, Return
|
|
from mock import Mock, ANY
|
|
from threading import Event
|
|
from urllib3.exceptions import ReadTimeoutError
|
|
|
|
from buildman.manager.executor import BuilderExecutor
|
|
from buildman.manager.ephemeral import EphemeralBuilderManager, EtcdAction
|
|
from buildman.server import BuildJobResult
|
|
from buildman.component.buildcomponent import BuildComponent
|
|
|
|
|
|
BUILD_UUID = 'deadbeef-dead-beef-dead-deadbeefdead'
|
|
REALM_ID = '1234-realm'
|
|
|
|
|
|
def async_test(f):
|
|
def wrapper(*args, **kwargs):
|
|
coro = coroutine(f)
|
|
future = coro(*args, **kwargs)
|
|
loop = get_event_loop()
|
|
loop.run_until_complete(future)
|
|
return wrapper
|
|
|
|
class TestEphemeral(unittest.TestCase):
|
|
def __init__(self, *args, **kwargs):
|
|
self.etcd_client_mock = None
|
|
self.etcd_wait_event = Event()
|
|
self.test_executor = None
|
|
super(TestEphemeral, self).__init__(*args, **kwargs)
|
|
|
|
def _create_mock_etcd_client(self, *args, **kwargs):
|
|
def hang_until_event(*args, **kwargs):
|
|
time.sleep(.01) # 10ms to simulate network latency
|
|
self.etcd_wait_event.wait()
|
|
|
|
self.etcd_client_mock = Mock(spec=etcd.Client, name='etcd.Client')
|
|
self.etcd_client_mock.watch = Mock(side_effect=hang_until_event)
|
|
return self.etcd_client_mock
|
|
|
|
def _create_completed_future(self, result=None):
|
|
def inner(*args, **kwargs):
|
|
new_future = Future()
|
|
new_future.set_result(result)
|
|
return new_future
|
|
return inner
|
|
|
|
def _create_mock_executor(self, *args, **kwargs):
|
|
self.test_executor = Mock(spec=BuilderExecutor)
|
|
self.test_executor.start_builder = Mock(side_effect=self._create_completed_future('123'))
|
|
self.test_executor.stop_builder = Mock(side_effect=self._create_completed_future())
|
|
return self.test_executor
|
|
|
|
def _create_build_job(self):
|
|
mock_job = Mock()
|
|
mock_job.job_details = {
|
|
'build_uuid': BUILD_UUID,
|
|
}
|
|
mock_job.job_item = {
|
|
'body': json.dumps(mock_job.job_details),
|
|
'id': 1,
|
|
}
|
|
return mock_job
|
|
|
|
def setUp(self):
|
|
EphemeralBuilderManager._executors['test'] = self._create_mock_executor
|
|
|
|
self.old_etcd_client_klass = EphemeralBuilderManager._etcd_client_klass
|
|
EphemeralBuilderManager._etcd_client_klass = self._create_mock_etcd_client
|
|
self.etcd_wait_event.clear()
|
|
|
|
self.register_component_callback = Mock()
|
|
self.unregister_component_callback = Mock()
|
|
self.job_heartbeat_callback = Mock()
|
|
self.job_complete_callback = Mock()
|
|
|
|
self.manager = EphemeralBuilderManager(
|
|
self.register_component_callback,
|
|
self.unregister_component_callback,
|
|
self.job_heartbeat_callback,
|
|
self.job_complete_callback,
|
|
'127.0.0.1',
|
|
30,
|
|
)
|
|
|
|
self.manager.initialize({'EXECUTOR': 'test'})
|
|
|
|
self.mock_job = self._create_build_job()
|
|
self.mock_job_key = os.path.join('building/', BUILD_UUID)
|
|
|
|
def tearDown(self):
|
|
self.etcd_wait_event.set()
|
|
|
|
self.manager.shutdown()
|
|
|
|
del EphemeralBuilderManager._executors['test']
|
|
EphemeralBuilderManager._etcd_client_klass = self.old_etcd_client_klass
|
|
|
|
@coroutine
|
|
def _setup_job_for_managers(self):
|
|
# Test that we are watching the realm location before anything else happens
|
|
self.etcd_client_mock.watch.assert_any_call('realm/', recursive=True, timeout=30, index=None)
|
|
|
|
self.etcd_client_mock.read = Mock(side_effect=KeyError)
|
|
test_component = Mock(spec=BuildComponent)
|
|
test_component.builder_realm = REALM_ID
|
|
test_component.start_build = Mock(side_effect=self._create_completed_future())
|
|
self.register_component_callback.return_value = test_component
|
|
|
|
# Ask for a builder to be scheduled
|
|
is_scheduled = yield From(self.manager.schedule(self.mock_job))
|
|
|
|
self.assertTrue(is_scheduled)
|
|
|
|
self.etcd_client_mock.read.assert_called_once_with('building/', recursive=True)
|
|
self.assertEqual(self.test_executor.start_builder.call_count, 1)
|
|
self.assertEqual(self.etcd_client_mock.write.call_args_list[0][0][0], self.mock_job_key)
|
|
self.assertEqual(self.etcd_client_mock.write.call_args_list[1][0][0], self.mock_job_key)
|
|
|
|
# Right now the job is not registered with any managers because etcd has not accepted the job
|
|
self.assertEqual(self.register_component_callback.call_count, 0)
|
|
|
|
realm_created = Mock(spec=etcd.EtcdResult)
|
|
realm_created.action = EtcdAction.CREATE
|
|
realm_created.key = os.path.join('realm/', REALM_ID)
|
|
realm_created.value = json.dumps({
|
|
'realm': REALM_ID,
|
|
'token': 'beef',
|
|
'builder_id': '123',
|
|
'job_queue_item': self.mock_job.job_item,
|
|
})
|
|
|
|
self.manager._handle_realm_change(realm_created)
|
|
|
|
self.assertEqual(self.register_component_callback.call_count, 1)
|
|
|
|
raise Return(test_component)
|
|
|
|
@async_test
|
|
@unittest.skip('this test is flaky on Quay.io builders')
|
|
def test_schedule_and_complete(self):
|
|
# Test that a job is properly registered with all of the managers
|
|
test_component = yield From(self._setup_job_for_managers())
|
|
|
|
# Take the job ourselves
|
|
yield From(self.manager.build_component_ready(test_component))
|
|
|
|
self.etcd_client_mock.delete.assert_called_once_with(os.path.join('realm/', REALM_ID))
|
|
self.etcd_client_mock.delete.reset_mock()
|
|
|
|
# Finish the job
|
|
yield From(self.manager.job_completed(self.mock_job, BuildJobResult.COMPLETE, test_component))
|
|
|
|
self.assertEqual(self.test_executor.stop_builder.call_count, 1)
|
|
self.etcd_client_mock.delete.assert_called_once_with(self.mock_job_key)
|
|
|
|
@async_test
|
|
@unittest.skip('this test is flaky on Quay.io builders')
|
|
def test_another_manager_takes_job(self):
|
|
# Prepare a job to be taken by another manager
|
|
test_component = yield From(self._setup_job_for_managers())
|
|
|
|
realm_deleted = Mock(spec=etcd.EtcdResult)
|
|
realm_deleted.action = EtcdAction.DELETE
|
|
realm_deleted.key = os.path.join('realm/', REALM_ID)
|
|
|
|
realm_deleted._prev_node = Mock(spec=etcd.EtcdResult)
|
|
realm_deleted._prev_node.value = json.dumps({
|
|
'realm': REALM_ID,
|
|
'token': 'beef',
|
|
'builder_id': '123',
|
|
'job_queue_item': self.mock_job.job_item,
|
|
})
|
|
|
|
self.manager._handle_realm_change(realm_deleted)
|
|
|
|
self.unregister_component_callback.assert_called_once_with(test_component)
|
|
|
|
@async_test
|
|
@unittest.skip('this test is flaky on Quay.io builders')
|
|
def test_expiring_worker(self):
|
|
# Test that we are watching before anything else happens
|
|
self.etcd_client_mock.watch.assert_any_call('building/', recursive=True, timeout=30, index=None)
|
|
|
|
# Send a signal to the callback that a worker has expired
|
|
expired_result = Mock(spec=etcd.EtcdResult)
|
|
expired_result.action = EtcdAction.EXPIRE
|
|
expired_result.key = self.mock_job_key
|
|
expired_result._prev_node = Mock(spec=etcd.EtcdResult)
|
|
expired_result._prev_node.value = json.dumps({'builder_id': '1234'})
|
|
|
|
yield From(self.manager._handle_builder_expiration(expired_result))
|
|
|
|
self.test_executor.stop_builder.assert_called_once_with('1234')
|
|
self.assertEqual(self.test_executor.stop_builder.call_count, 1)
|
|
|
|
@async_test
|
|
@unittest.skip('this test is flaky on Quay.io builders')
|
|
def test_builder_never_starts(self):
|
|
test_component = yield From(self._setup_job_for_managers())
|
|
|
|
# Test that we are watching before anything else happens
|
|
self.etcd_client_mock.watch.assert_any_call('building/', recursive=True, timeout=30, index=None)
|
|
|
|
# Send a signal to the callback that a worker has expired
|
|
expired_result = Mock(spec=etcd.EtcdResult)
|
|
expired_result.action = EtcdAction.EXPIRE
|
|
expired_result.key = self.mock_job_key
|
|
expired_result._prev_node = Mock(spec=etcd.EtcdResult)
|
|
expired_result._prev_node.value = json.dumps({
|
|
'builder_id': '1234',
|
|
'had_heartbeat': False,
|
|
'job_queue_item': self.mock_job.job_item,
|
|
})
|
|
|
|
yield From(self.manager._handle_builder_expiration(expired_result))
|
|
|
|
self.test_executor.stop_builder.assert_called_once_with('1234')
|
|
self.assertEqual(self.test_executor.stop_builder.call_count, 1)
|
|
|
|
self.job_complete_callback.assert_called_once_with(ANY, BuildJobResult.INCOMPLETE)
|
|
|
|
@async_test
|
|
def test_change_worker(self):
|
|
# Send a signal to the callback that a worker key has been changed
|
|
set_result = Mock(spec=etcd.EtcdResult)
|
|
set_result.action = 'set'
|
|
set_result.key = self.mock_job_key
|
|
|
|
self.manager._handle_builder_expiration(set_result)
|
|
|
|
yield From(sleep(.01))
|
|
|
|
self.assertEquals(self.test_executor.stop_builder.call_count, 0)
|
|
|
|
@async_test
|
|
def test_heartbeat_response(self):
|
|
expiration_timestamp = time.time() + 60
|
|
builder_result = Mock(spec=etcd.EtcdResult)
|
|
builder_result.value = json.dumps({
|
|
'builder_id': '123',
|
|
'expiration': expiration_timestamp,
|
|
'max_expiration': expiration_timestamp,
|
|
})
|
|
self.etcd_client_mock.read = Mock(return_value=builder_result)
|
|
|
|
yield From(self.manager.job_heartbeat(self.mock_job))
|
|
|
|
# Wait for threads to complete
|
|
yield From(sleep(.01))
|
|
|
|
self.job_heartbeat_callback.assert_called_once_with(self.mock_job)
|
|
self.assertEqual(self.etcd_client_mock.write.call_count, 1)
|
|
self.assertEqual(self.etcd_client_mock.write.call_args_list[0][0][0], self.mock_job_key)
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|
|
|