def offers():
o1 = Offer(id=OfferID(value='first-offer'),
slave_id=SlaveID(value='test-slave'),
resources=[Cpus(2), Mem(256), Disk(1024)])
o2 = Offer(id=OfferID(value='second-offer'),
slave_id=SlaveID(value='test-slave'),
resources=[Cpus(1), Mem(1024), Disk(2048)])
return [o1, o2]
def test_resources_mixin_inplace_addition():
o = Offer(resources=[Cpus(1), Mem(128), Disk(64)])
t = TaskInfo(resources=[Cpus(0.5), Mem(128), Disk(0)])
o += t
assert isinstance(o, Offer)
assert o.cpus == Cpus(1.5)
assert o.cpus == 1.5
assert o.mem == Mem(256)
assert o.mem == 256
assert o.disk == Disk(64)
assert o.disk == 64
def test_resources_mixin_inplace_subtraction():
o = Offer(resources=[Cpus(1), Mem(128), Disk(64)])
t = TaskInfo(resources=[Cpus(0.5), Mem(128), Disk(0)])
o -= t
assert isinstance(o, Offer)
assert o.cpus == Cpus(0.5)
assert o.cpus == 0.5
assert o.mem == Mem(0)
assert o.mem == 0
assert o.disk == Disk(64)
assert o.disk == 64
def test_resources_mixin_subtraction():
o = Offer(resources=[Cpus(1), Mem(128), Disk(0)])
t = TaskInfo(resources=[Cpus(0.5), Mem(128), Disk(0)])
s = o - t
assert isinstance(s, ResourcesMixin)
assert s.cpus == Cpus(0.5)
assert s.cpus == 0.5
assert s.mem == Mem(0)
assert s.mem == 0
assert s.disk == Disk(0)
assert s.disk == 0
def test_resources_mixin_addition():
o = Offer(resources=[Cpus(1), Mem(128), Disk(0)])
t = TaskInfo(resources=[Cpus(0.5), Mem(128), Disk(0)])
s = o + t
assert isinstance(s, ResourcesMixin)
assert s.cpus == Cpus(1.5)
assert s.cpus == 1.5
assert s.mem == Mem(256)
assert s.mem == 256
assert s.disk == Disk(0)
assert s.disk == 0
def test_resources_mixin_sum():
o1 = Offer(resources=[Cpus(1), Mem(128), Disk(0)])
o2 = Offer(resources=[Cpus(2), Mem(128), Disk(100)])
o3 = Offer(resources=[Cpus(0.5), Mem(256), Disk(200)])
s = sum([o1, o2, o3])
assert isinstance(s, ResourcesMixin)
assert s.cpus == Cpus(3.5)
assert s.cpus == 3.5
assert s.mem == Mem(512)
assert s.mem == 512
assert s.disk == Disk(300)
assert s.disk == 300
def python_task():
task = PythonTask(id=TaskID(value='test-task-id'),
fn=sum,
args=[range(5)],
resources=[Cpus(0.1), Mem(128),
Disk(0)])
return task
def docker_python():
task = PythonTask(id=TaskID(value='test-python-task-id'),
fn=sum,
args=[range(5)],
name='test-python-task-name',
resources=[Cpus(0.1), Mem(64),
Disk(0)])
return task
def test_resources_mixin_comparison():
o1 = Offer(resources=[Cpus(1), Mem(128), Disk(0)])
o2 = Offer(resources=[Cpus(2), Mem(256), Disk(1024)])
t1 = TaskInfo(resources=[Cpus(0.5), Mem(128), Disk(0)])
t2 = TaskInfo(resources=[Cpus(1), Mem(256), Disk(512)])
t3 = TaskInfo(resources=[Cpus(0.5), Mem(256), Disk(512)])
assert o1.cpus == 1
assert o1.mem == 128
assert o2.cpus == 2
assert o2.disk == 1024
assert t1.cpus == 0.5
assert t1.mem == 128
assert t2.cpus == 1
assert t2.disk == 512
assert o1 == o1
assert o1 < o2
assert o1 <= o2
assert o2 > o1
assert o2 >= o1
assert t1 == t1
assert t1 < t2
assert t1 <= t2
assert t2 > t1
assert t2 >= t1
assert o1 >= t1
assert o2 >= t1
assert o2 >= t2
assert t2 >= o1
assert t3 > o1
assert t3 <= t2
assert t3 > t1
def test_encode_resources():
pb = encode(Cpus(0.1))
assert pb.scalar.value == 0.1
assert pb.name == 'cpus'
assert pb.type == mesos_pb2.Value.SCALAR
pb = encode(Mem(16))
assert pb.scalar.value == 16
assert pb.name == 'mem'
assert pb.type == mesos_pb2.Value.SCALAR
pb = encode(Disk(256))
assert pb.scalar.value == 256
assert pb.name == 'disk'
assert pb.type == mesos_pb2.Value.SCALAR
def test_sequential_execution(mocker, docker_python):
sched = QueueScheduler()
mocker.spy(sched, 'on_update')
with Running(sched, name='test-scheduler'):
tasks = []
for i in range(3):
task = PythonTask(id=TaskID(value='test-python-task-{}'.format(i)),
fn=sum,
args=[[1, 10, i]],
name='test-python-task-name',
resources=[Cpus(0.1),
Mem(64), Disk(0)])
sched.submit(task)
tasks.append(task)
sched.wait()
assert task.status.data == 11 + i
def test_parallel_execution(mocker, docker_python):
sched = QueueScheduler()
mocker.spy(sched, 'on_update')
with Running(sched, name='test-scheduler'):
tasks = []
for i in range(3):
task = PythonTask(id=TaskID(value='test-python-task-{}'.format(i)),
fn=sum,
args=[[1, 10, i]],
name='test-python-task-name',
resources=[Cpus(0.1),
Mem(64), Disk(0)])
sched.submit(task)
tasks.append(task)
sched.wait() # block until all tasks finishes
assert [t.status.data for t in tasks] == [11, 12, 13]
def test_docker_python_exception():
sched = QueueScheduler()
def error():
raise TypeError('Dummy exception on executor side!')
task = PythonTask(id=TaskID(value='test-python-task-id'),
fn=error,
name='test-python-task-name',
resources=[Cpus(0.1), Mem(64),
Disk(0)])
with Running(sched, name='test-scheduler'):
sched.submit(task)
sched.wait()
assert task.status.has_failed()
assert isinstance(task.status.exception, RemoteException)
assert isinstance(task.status.exception, TypeError)
def test_scheduler_retries(mocker):
task = PythonTask(id=TaskID(value='non-existing-docker-image'),
name='test',
fn=lambda: range(int(10e10)),
docker='pina/sen',
resources=[Cpus(0.1), Mem(128),
Disk(0)])
sched = QueueScheduler(name='test-executor-lost', retries=3)
mocker.spy(sched, 'on_update')
with Running(sched, name='test-scheduler'):
sched.submit(task)
sched.wait()
assert sched.on_update.call_count == 3
states = ['TASK_STARTING', 'TASK_STARTING', 'TASK_FAILED']
for ((args, kwargs), state) in zip(sched.on_update.call_args_list, states):
assert args[1].state == state
def resources():
return [Cpus(0.1), Mem(128), Disk(0)]