def test_brutal_bounce_mid_bounce(self):
"""When marathon has the desired app, but there are other copies of
the service running, brutal bounce should stop the old ones."""
new_config = {'id': 'foo.bar.12345', 'instances': 5}
happy_tasks = [mock.Mock() for _ in xrange(5)]
old_app_live_happy_tasks = {
'app1': set(mock.Mock() for _ in xrange(3)),
'app2': set(mock.Mock() for _ in xrange(2)),
}
old_app_live_unhappy_tasks = {
'app1': set(mock.Mock() for _ in xrange(2)),
'app2': set(mock.Mock() for _ in xrange(3)),
}
assert bounce_lib.brutal_bounce(
new_config=new_config,
new_app_running=True,
happy_new_tasks=happy_tasks,
old_app_live_happy_tasks=old_app_live_happy_tasks,
old_app_live_unhappy_tasks=old_app_live_unhappy_tasks,
) == {
"create_app": False,
"tasks_to_drain": set.union(
old_app_live_happy_tasks['app1'],
old_app_live_happy_tasks['app2'],
old_app_live_unhappy_tasks['app1'],
old_app_live_unhappy_tasks['app2'],
),
}
def test_brutal_bounce_old_but_no_new(self):
"""When marathon does not have the desired app, but there are other copies of
the service running, brutal bounce should stop the old ones and start
the new one."""
new_config = {'id': 'foo.bar.12345', 'instances': 5}
old_app_live_happy_tasks = {
'app1': {mock.Mock() for _ in range(3)},
'app2': {mock.Mock() for _ in range(2)},
}
old_app_live_unhappy_tasks = {
'app1': {mock.Mock() for _ in range(2)},
'app2': {mock.Mock() for _ in range(3)},
}
assert bounce_lib.brutal_bounce(
new_config=new_config,
new_app_running=False,
happy_new_tasks=[],
old_app_live_happy_tasks=old_app_live_happy_tasks,
old_app_live_unhappy_tasks=old_app_live_unhappy_tasks,
) == {
"create_app": True,
"tasks_to_drain": set.union(
old_app_live_happy_tasks['app1'],
old_app_live_happy_tasks['app2'],
old_app_live_unhappy_tasks['app1'],
old_app_live_unhappy_tasks['app2'],
),
}
def test_brutal_bounce_old_but_no_new(self):
"""When marathon does not have the desired app, but there are other copies of
the service running, brutal bounce should stop the old ones and start
the new one."""
new_config = {'id': 'foo.bar.12345', 'instances': 5}
old_app_live_happy_tasks = {
'app1': set(mock.Mock() for _ in xrange(3)),
'app2': set(mock.Mock() for _ in xrange(2)),
}
old_app_live_unhappy_tasks = {
'app1': set(mock.Mock() for _ in xrange(2)),
'app2': set(mock.Mock() for _ in xrange(3)),
}
assert bounce_lib.brutal_bounce(
new_config=new_config,
new_app_running=False,
happy_new_tasks=[],
old_app_live_happy_tasks=old_app_live_happy_tasks,
old_app_live_unhappy_tasks=old_app_live_unhappy_tasks,
) == {
"create_app": True,
"tasks_to_drain": set.union(
old_app_live_happy_tasks['app1'],
old_app_live_happy_tasks['app2'],
old_app_live_unhappy_tasks['app1'],
old_app_live_unhappy_tasks['app2'],
),
}
def test_brutal_bounce_no_existing_apps(self):
"""When marathon is unaware of a service, brutal bounce should try to
create a marathon app."""
new_config = {"id": "foo.bar.12345"}
happy_tasks = []
assert bounce_lib.brutal_bounce(
new_config=new_config,
new_app_running=False,
happy_new_tasks=happy_tasks,
old_non_draining_tasks=[],
) == {"create_app": True, "tasks_to_drain": set()}
def test_brutal_bounce_done(self):
"""When marathon has the desired app, and there are no other copies of
the service running, brutal bounce should neither start nor stop
anything."""
new_config = {"id": "foo.bar.12345", "instances": 5}
happy_tasks = [mock.Mock() for _ in range(5)]
assert bounce_lib.brutal_bounce(
new_config=new_config,
new_app_running=True,
happy_new_tasks=happy_tasks,
old_non_draining_tasks=[],
) == {"create_app": False, "tasks_to_drain": set()}
def test_brutal_bounce_no_existing_apps(self):
"""When marathon is unaware of a service, brutal bounce should try to
create a marathon app."""
new_config = {'id': 'foo.bar.12345'}
happy_tasks = []
assert bounce_lib.brutal_bounce(
new_config=new_config,
new_app_running=False,
happy_new_tasks=happy_tasks,
old_app_live_tasks={},
) == {
"create_app": True,
"tasks_to_drain": set(),
}
def test_brutal_bounce_done(self):
"""When marathon has the desired app, and there are no other copies of
the service running, brutal bounce should neither start nor stop
anything."""
new_config = {'id': 'foo.bar.12345', 'instances': 5}
happy_tasks = [mock.Mock() for _ in xrange(5)]
assert bounce_lib.brutal_bounce(
new_config=new_config,
new_app_running=True,
happy_new_tasks=happy_tasks,
old_app_live_tasks={},
) == {
"create_app": False,
"tasks_to_drain": set(),
}
def test_brutal_bounce_mid_bounce(self):
"""When marathon has the desired app, but there are other copies of
the service running, brutal bounce should stop the old ones."""
new_config = {'id': 'foo.bar.12345', 'instances': 5}
happy_tasks = [mock.Mock() for _ in xrange(5)]
old_app_live_tasks = {
'app1': set(mock.Mock() for _ in xrange(3)),
'app2': set(mock.Mock() for _ in xrange(2)),
}
assert bounce_lib.brutal_bounce(
new_config=new_config,
new_app_running=True,
happy_new_tasks=happy_tasks,
old_app_live_tasks=old_app_live_tasks,
) == {
"create_app": False,
"tasks_to_drain": old_app_live_tasks['app1'] | old_app_live_tasks['app2'],
}
def test_brutal_bounce_old_but_no_new(self):
"""When marathon does not have the desired app, but there are other copies of
the service running, brutal bounce should stop the old ones and start
the new one."""
new_config = {"id": "foo.bar.12345", "instances": 5}
old_app_live_happy_tasks = [mock.Mock() for _ in range(5)]
old_app_live_unhappy_tasks = [mock.Mock() for _ in range(5)]
assert bounce_lib.brutal_bounce(
new_config=new_config,
new_app_running=False,
happy_new_tasks=[],
old_non_draining_tasks=old_app_live_happy_tasks +
old_app_live_unhappy_tasks,
) == {
"create_app":
True,
"tasks_to_drain":
set(old_app_live_happy_tasks + old_app_live_unhappy_tasks),
}