def test_max_containers(self):
"""Ensure we honor max_containers"""
self.host1.ping()
self.host1.update({'max_containers': 1})
self.host1 = hosts.get(self.host1.name)
# create one container
container_requests.create('container_foo', self.container_data)
container_requests.handle(self.host1)
self.assertEqual(0, container_requests.count())
self.assertEqual(1, self.host1.containers.count())
# create 2nd container, will stay stuck in queued
container_requests.create('container_foo', self.container_data)
container_requests.handle(self.host1)
self.assertEqual(1, container_requests.count())
self.assertEqual(1, self.host1.containers.count())
def test_enlisted(self):
"""The scheduler ignores hosts not enlisted"""
self.host1.ping()
self.host1.update({'enlisted': False})
self.host1 = hosts.get(self.host1.name)
container_requests.create('container_foo', self.container_data)
container_requests.handle(self.host1)
self.assertEqual(1, container_requests.count())
self.assertEqual(0, self.host1.containers.count())
def test_one_online(self):
"""The scheduler finds one host online"""
self.host1.ping()
container_requests.create('container_foo', self.container_data)
container_requests.handle(self.host1)
self.assertEqual(0, container_requests.count())
containers = list(self.host1.containers.list())
self.assertEqual(1, len(containers))
self.assertEqual('container_foo', containers[0])
def test_mem_total(self):
"""Ensure we honor max_containers"""
self.host1.ping()
self.host1.update({'max_containers': 1, 'mem_total': 6})
self.host2.ping()
self.host2.update({'max_containers': 1, 'mem_total': 5})
self.host1 = hosts.get(self.host1.name)
# create one container, it should go to host1 (more memory)
container_requests.create('container_foo', self.container_data)
container_requests.handle(self.host1)
self.assertEqual(0, container_requests.count())
self.assertEqual(1, self.host1.containers.count())
def test_offline(self):
"""The scheduler is okay if everything is offline"""
container_requests.create('container_foo', self.container_data)
container_requests.handle(self.host1)
self.assertEqual(1, container_requests.count())
