def test_rack_grouping():
old_grouping_functions = MesosMaintenance.GROUPING_FUNCTIONS.copy()
MesosMaintenance.GROUPING_FUNCTIONS['by_rack'] = rack_grouping
example_host_list = [
'west-aaa-001.example.com',
'west-aaa-002.example.com',
'west-xyz-002.example.com',
'east-xyz-003.example.com',
'east-xyz-004.example.com',
]
try:
batches = list(MesosMaintenance.iter_batches(example_host_list, 1, 'by_rack'))
assert batches[0] == Hosts(set([
'west-aaa-001.example.com',
'west-aaa-002.example.com'
]))
assert batches[1] == Hosts(set([
'west-xyz-002.example.com',
'east-xyz-003.example.com',
'east-xyz-004.example.com',
]))
batches = list(MesosMaintenance.iter_batches(example_host_list, 2, 'by_rack'))
assert batches[0] == Hosts(set(example_host_list))
batches = list(MesosMaintenance.iter_batches(example_host_list, 3, 'by_rack'))
assert batches[0] == Hosts(set(example_host_list))
with pytest.raises(ValueError):
list(MesosMaintenance.iter_batches(example_host_list, 0))
finally:
MesosMaintenance.GROUPING_FUNCTIONS = old_grouping_functions
def test_default_grouping():
example_host_list = [
'xyz321.example.com',
'bar337.example.com',
'foo001.example.com',
]
batches = list(MesosMaintenance.iter_batches(example_host_list, 1))
assert batches[0] == Hosts(set(['bar337.example.com']))
assert batches[1] == Hosts(set(['foo001.example.com']))
assert batches[2] == Hosts(set(['xyz321.example.com']))
batches = list(MesosMaintenance.iter_batches(example_host_list, 2))
assert batches[0] == Hosts(set(['bar337.example.com', 'foo001.example.com']))
assert batches[1] == Hosts(set(['xyz321.example.com']))
def test_start_maintenance(self, mock_api): mock_api.return_value = Response(responseCode=ResponseCode.OK) maintenance = MesosMaintenance(DEFAULT_CLUSTER, 'quiet') maintenance.start_maintenance(MOCK_TEST_HOSTS)
