def test_clean_success(mocker, mock_switches):
tree_hub = TreeHub(mocker.Mock())
tree_holder = mocker.MagicMock()
cleaner = TreeHolderCleaner(tree_hub)
cleaner._old_offset = 0
application_name = 'foo.test'
type_name = 'config'
mock_switches({
SWITCH_ENABLE_TREE_HOLDER_CLEANER_TRACK: True,
SWITCH_ENABLE_TREE_HOLDER_CLEANER_CLEAN: True,
})
tree_hub.tree_map[(application_name, type_name)] = tree_holder
tree_hub.tree_map[(application_name, 'switch')] = mocker.MagicMock()
tree_hub.tree_map[(application_name, 'service')] = mocker.MagicMock()
cleaner.track(application_name, type_name)
cleaner.track(application_name, 'service')
with freeze_time(datetime.datetime.now() + datetime.timedelta(days=1)):
cleaner.track(application_name, 'switch')
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 3
assert (application_name, type_name) in tree_hub.tree_map
assert (application_name, 'switch') in tree_hub.tree_map
assert (application_name, 'service') in tree_hub.tree_map
mocker.patch.object(settings, 'TREE_HOLDER_CLEANER_CONDITION', 'True')
cleaner.clean()
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 1
assert (application_name, type_name) not in tree_hub.tree_map
assert (application_name, 'switch') in tree_hub.tree_map
assert (application_name, 'service') not in tree_hub.tree_map
assert tree_holder.close.called
def test_track_failed_or_skipped(mocker, mock_switches):
cleaner = TreeHolderCleaner(TreeHub(mocker.Mock()))
application_name = 'foo.test'
type_name = 'config'
# switch off, skip
mock_switches({
SWITCH_ENABLE_TREE_HOLDER_CLEANER_TRACK: False,
})
cleaner.track(application_name, type_name)
items = redis_client.zrange(REDIS_KEY, 0, -1, withscores=True)
assert not items
# exception, ignore error
mock_switches({
SWITCH_ENABLE_TREE_HOLDER_CLEANER_TRACK: True,
})
mocker.patch.object(redis_client, 'zadd', side_effect=Exception())
logger = mocker.patch('huskar_api.models.tree.cleaner.logger')
cleaner.track(application_name, type_name)
items = redis_client.zrange(REDIS_KEY, 0, -1, withscores=True)
assert not items
assert logger.warning.called
call_args = logger.warning.call_args_list[0][0]
assert call_args[0] == 'tree holder cleaner track item failed: %s'
def test_clean_thread(mocker, mock_switches):
mocker.patch.object(settings, 'TREE_HOLDER_CLEANER_CONDITION', 'True')
mocker.patch.object(settings, 'TREE_HOLDER_CLEANER_OLD_OFFSET', 0)
mocker.patch.object(settings, 'TREE_HOLDER_CLEANER_PERIOD', 1)
mock_switches({
SWITCH_ENABLE_TREE_HOLDER_CLEANER_TRACK: True,
SWITCH_ENABLE_TREE_HOLDER_CLEANER_CLEAN: True,
})
application_name = 'foo.test'
type_name = 'config'
tree_holder = mocker.MagicMock()
tree_hub = TreeHub(mocker.Mock())
tree_hub.tree_map[(application_name, type_name)] = tree_holder
tree_hub.tree_map[(application_name, 'switch')] = mocker.MagicMock()
tree_hub.tree_map[(application_name, 'service')] = mocker.MagicMock()
cleaner = TreeHolderCleaner(tree_hub)
cleaner.spawn_cleaning_thread()
gevent.sleep(0.1)
cleaner.track(application_name, type_name)
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 1
assert (application_name, type_name) in tree_hub.tree_map
gevent.sleep(2)
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 0
assert (application_name, type_name) not in tree_hub.tree_map
cleaner._stopped.set()
cleaner.spawn_cleaning_thread()
gevent.sleep(0.1)
def test_track_success(mocker, mock_switches):
mock_switches({
SWITCH_ENABLE_TREE_HOLDER_CLEANER_TRACK: True,
})
cleaner = TreeHolderCleaner(TreeHub(mocker.Mock()))
application_name = 'foo.test'
type_name = 'config'
n = time.time()
cleaner.track(application_name, type_name)
name = '{}:{}'.format(application_name, type_name)
items = redis_client.zrange(REDIS_KEY, 0, -1, withscores=True)
assert len(items) == 1
assert items[0][0] == name
assert n < items[0][1] < time.time()
def test_clean_failed_or_skipped(mocker, mock_switches):
tree_hub = TreeHub(mocker.Mock())
tree_holder = mocker.MagicMock()
cleaner = TreeHolderCleaner(tree_hub)
cleaner._old_offset = 0
application_name = 'foo.test'
type_name = 'config'
mock_switches({
SWITCH_ENABLE_TREE_HOLDER_CLEANER_TRACK: False,
SWITCH_ENABLE_TREE_HOLDER_CLEANER_CLEAN: True,
})
tree_hub.tree_map[(application_name, type_name)] = tree_holder
tree_hub.tree_map[(application_name, 'switch')] = mocker.MagicMock()
tree_hub.tree_map[(application_name, 'service')] = mocker.MagicMock()
cleaner.track(application_name, type_name)
cleaner.track(application_name, 'service')
cleaner.track(application_name, 'switch')
# track switch off, skip
cleaner.clean()
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert not items
# clean switch off, skip
mock_switches({
SWITCH_ENABLE_TREE_HOLDER_CLEANER_TRACK: True,
SWITCH_ENABLE_TREE_HOLDER_CLEANER_CLEAN: False,
})
cleaner.track(application_name, type_name)
cleaner.track(application_name, 'service')
with freeze_time(datetime.datetime.now() + datetime.timedelta(days=1)):
cleaner.track(application_name, 'switch')
cleaner.clean()
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 3
assert len(tree_hub.tree_map) == 3
# condition empty, skip
mock_switches({
SWITCH_ENABLE_TREE_HOLDER_CLEANER_TRACK: True,
SWITCH_ENABLE_TREE_HOLDER_CLEANER_CLEAN: True,
})
mocker.patch.object(settings, 'TREE_HOLDER_CLEANER_CONDITION', '')
cleaner.clean()
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 3
assert len(tree_hub.tree_map) == 3
# condition false, skip
mocker.patch.object(settings, 'TREE_HOLDER_CLEANER_CONDITION', 'cpu < 0')
cleaner.clean()
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 3
assert len(tree_hub.tree_map) == 3
# condition invalid, skip
mocker.patch.object(settings, 'TREE_HOLDER_CLEANER_CONDITION', 'a')
logger = mocker.patch('huskar_api.models.tree.cleaner.logger')
cleaner.clean()
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 3
assert len(tree_hub.tree_map) == 3
assert logger.error.called
call_args = logger.error.call_args_list[0][0]
assert call_args[0] == 'invalid tree holder cleaner condition: %r %s'
logger.reset_mock()
# get redis data failed, skip
mocker.patch.object(settings, 'TREE_HOLDER_CLEANER_CONDITION', 'True')
logger = mocker.patch('huskar_api.models.tree.cleaner.logger')
orig_zrangebyscore = redis_client.zrangebyscore
mocker.patch.object(redis_client, 'zrangebyscore', side_effect=Exception())
cleaner.clean()
mocker.patch.object(redis_client, 'zrangebyscore', orig_zrangebyscore)
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 3
assert len(tree_hub.tree_map) == 3
assert logger.warning.called
call_args = logger.warning.call_args_list[0][0]
assert call_args[0] == 'get tree holder cleaner data failed: %s'
logger.reset_mock()
tree_holder.close.reset_mock()
cleaner.clean()
tree_holder.close.reset_mock()
cleaner.track(application_name, type_name)
cleaner.clean()
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 1
assert len(tree_hub.tree_map) == 1
assert (application_name, type_name) not in tree_hub.tree_map
assert (application_name, 'service') not in tree_hub.tree_map
assert not tree_holder.close.called
def test_clean_old_redis_data(mocker, mock_switches):
mocker.patch.object(settings, 'TREE_HOLDER_CLEANER_CONDITION',
'memory > 0')
mocker.patch.object(settings, 'TREE_HOLDER_CLEANER_OLD_OFFSET', 2)
tree_hub = TreeHub(mocker.Mock())
cleaner = TreeHolderCleaner(tree_hub)
application_name = 'foo.test'
mock_switches({
SWITCH_ENABLE_TREE_HOLDER_CLEANER_TRACK: True,
SWITCH_ENABLE_TREE_HOLDER_CLEANER_CLEAN: True,
})
now = datetime.datetime.now()
cleaner.track(application_name, 'config')
with freeze_time(now + datetime.timedelta(days=3)):
cleaner.track(application_name, 'switch')
with freeze_time(now + datetime.timedelta(days=-3)):
cleaner.track(application_name, 'service')
with freeze_time(now + datetime.timedelta(days=-4)):
cleaner.track(application_name, 'foo')
with freeze_time(now + datetime.timedelta(days=-8)):
cleaner.track(application_name, '233')
with freeze_time(now + datetime.timedelta(days=-10)):
cleaner.track(application_name, '666')
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 6
cleaner.clean()
items = redis_client.zrange(REDIS_KEY, 0, -1)
assert len(items) == 4
assert set(items) == set([
'{}:config'.format(application_name),
'{}:switch'.format(application_name),
'{}:service'.format(application_name),
'{}:foo'.format(application_name),
])
# ignore error
mocker.patch.object(redis_client,
'zremrangebyscore',
side_effect=Exception())
logger = mocker.patch('huskar_api.models.tree.cleaner.logger')
cleaner.clean()
assert logger.warning.called
call_args = logger.warning.call_args_list[0][0]
assert call_args[0] == 'clean tree holder cleaner old data failed: %s'