def test_schedule_large_host_pool(self, mock_get_extra):
"""Hosts should still be chosen if pool size
is larger than number of filtered hosts.
"""
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext("user", "project", is_admin=True)
self.flags(scheduler_host_subset_size=20)
self.stubs.Set(sched.host_manager, "get_filtered_hosts", fake_get_filtered_hosts)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
instance_properties = {
"project_id": 1,
"root_gb": 512,
"memory_mb": 512,
"ephemeral_gb": 0,
"vcpus": 1,
"os_type": "Linux",
"uuid": "fake-uuid",
}
request_spec = dict(instance_properties=instance_properties, instance_type={})
filter_properties = {}
self.mox.ReplayAll()
hosts = sched._schedule(self.context, request_spec, filter_properties=filter_properties)
# one host should be chose
self.assertEqual(len(hosts), 1)
def test_schedule_large_host_pool(self, mock_get_extra):
"""Hosts should still be chosen if pool size
is larger than number of filtered hosts.
"""
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
self.flags(scheduler_host_subset_size=20)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
instance_properties = {'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'}
request_spec = dict(instance_properties=instance_properties,
instance_type={})
filter_properties = {}
self.mox.ReplayAll()
hosts = sched._schedule(self.context, request_spec,
filter_properties=filter_properties)
# one host should be chose
self.assertEqual(len(hosts), 1)
def test_schedule_large_host_pool(self, mock_get_extra):
"""Hosts should still be chosen if pool size
is larger than number of filtered hosts.
"""
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
self.flags(scheduler_host_subset_size=20)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
instance_properties = {'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'}
request_spec = dict(instance_properties=instance_properties,
instance_type={})
filter_properties = {}
self.mox.ReplayAll()
hosts = sched._schedule(self.context, request_spec,
filter_properties=filter_properties)
# one host should be chose
self.assertEqual(len(hosts), 1)
def test_select_destinations(self, mock_get_extra):
"""select_destinations is basically a wrapper around _schedule().
Similar to the _schedule tests, this just does a happy path test to
ensure there is nothing glaringly wrong.
"""
self.next_weight = 1.0
selected_hosts = []
selected_nodes = []
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
selected_hosts.append(host_state.host)
selected_nodes.append(host_state.nodename)
return [weights.WeighedHost(host_state, self.next_weight)]
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler, 'get_weighed_objects',
_fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
request_spec = {
'instance_type': {
'memory_mb': 512,
'root_gb': 512,
'ephemeral_gb': 0,
'vcpus': 1
},
'instance_properties': {
'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'
},
'num_instances': 1
}
self.mox.ReplayAll()
dests = sched.select_destinations(fake_context, request_spec, {})
(host, node) = (dests[0]['host'], dests[0]['nodename'])
self.assertEqual(host, selected_hosts[0])
self.assertEqual(node, selected_nodes[0])
def test_schedule_chooses_best_host(self, mock_get_extra):
"""If scheduler_host_subset_size is 1, the largest host with greatest
weight should be returned.
"""
self.flags(scheduler_host_subset_size=1)
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
self.next_weight = 50
def _fake_weigh_objects(_self, functions, hosts, options):
this_weight = self.next_weight
self.next_weight = 0
host_state = hosts[0]
return [weights.WeighedHost(host_state, this_weight)]
instance_properties = {
'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'
}
request_spec = dict(instance_properties=instance_properties,
instance_type={})
self.stubs.Set(weights.HostWeightHandler, 'get_weighed_objects',
_fake_weigh_objects)
filter_properties = {}
self.mox.ReplayAll()
hosts = sched._schedule(self.context,
request_spec,
filter_properties=filter_properties)
# one host should be chosen
self.assertEqual(1, len(hosts))
self.assertEqual(50, hosts[0].weight)
def test_schedule_chooses_best_host(self, mock_get_extra):
"""If scheduler_host_subset_size is 1, the largest host with greatest
weight should be returned.
"""
self.flags(scheduler_host_subset_size=1)
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
self.next_weight = 50
def _fake_weigh_objects(_self, functions, hosts, options):
this_weight = self.next_weight
self.next_weight = 0
host_state = hosts[0]
return [weights.WeighedHost(host_state, this_weight)]
instance_properties = {'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'}
request_spec = dict(instance_properties=instance_properties,
instance_type={})
self.stubs.Set(weights.HostWeightHandler,
'get_weighed_objects', _fake_weigh_objects)
filter_properties = {}
self.mox.ReplayAll()
hosts = sched._schedule(self.context, request_spec,
filter_properties=filter_properties)
# one host should be chosen
self.assertEqual(1, len(hosts))
self.assertEqual(50, hosts[0].weight)
def test_select_destinations(self, mock_get_extra):
"""select_destinations is basically a wrapper around _schedule().
Similar to the _schedule tests, this just does a happy path test to
ensure there is nothing glaringly wrong.
"""
self.next_weight = 1.0
selected_hosts = []
selected_nodes = []
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
selected_hosts.append(host_state.host)
selected_nodes.append(host_state.nodename)
return [weights.WeighedHost(host_state, self.next_weight)]
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler,
'get_weighed_objects', _fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
request_spec = {'instance_type': {'memory_mb': 512, 'root_gb': 512,
'ephemeral_gb': 0,
'vcpus': 1},
'instance_properties': {'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'},
'num_instances': 1}
self.mox.ReplayAll()
dests = sched.select_destinations(fake_context, request_spec, {})
(host, node) = (dests[0]['host'], dests[0]['nodename'])
self.assertEqual(host, selected_hosts[0])
self.assertEqual(node, selected_nodes[0])
def test_schedule_happy_day(self, mock_get_extra):
"""Make sure there's nothing glaringly wrong with _schedule()
by doing a happy day pass through.
"""
self.next_weight = 1.0
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
return [weights.WeighedHost(host_state, self.next_weight)]
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler, 'get_weighed_objects',
_fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
request_spec = {
'num_instances': 10,
'instance_type': {
'memory_mb': 512,
'root_gb': 512,
'ephemeral_gb': 0,
'vcpus': 1
},
'instance_properties': {
'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'
}
}
self.mox.ReplayAll()
weighed_hosts = sched._schedule(fake_context, request_spec, {})
self.assertEqual(len(weighed_hosts), 10)
for weighed_host in weighed_hosts:
self.assertIsNotNone(weighed_host.obj)
def test_select_destinations(self, mock_get_extra):
"""select_destinations is basically a wrapper around _schedule().
Similar to the _schedule tests, this just does a happy path test to
ensure there is nothing glaringly wrong.
"""
self.next_weight = 1.0
selected_hosts = []
selected_nodes = []
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
selected_hosts.append(host_state.host)
selected_nodes.append(host_state.nodename)
return [weights.WeighedHost(host_state, self.next_weight)]
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext("user", "project", is_admin=True)
self.stubs.Set(sched.host_manager, "get_filtered_hosts", fake_get_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler, "get_weighed_objects", _fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
request_spec = {
"instance_type": {"memory_mb": 512, "root_gb": 512, "ephemeral_gb": 0, "vcpus": 1},
"instance_properties": {
"project_id": 1,
"root_gb": 512,
"memory_mb": 512,
"ephemeral_gb": 0,
"vcpus": 1,
"os_type": "Linux",
"uuid": "fake-uuid",
},
"num_instances": 1,
}
self.mox.ReplayAll()
dests = sched.select_destinations(fake_context, request_spec, {})
(host, node) = (dests[0]["host"], dests[0]["nodename"])
self.assertEqual(host, selected_hosts[0])
self.assertEqual(node, selected_nodes[0])
def test_schedule_happy_day(self, mock_get_extra):
"""Make sure there's nothing glaringly wrong with _schedule()
by doing a happy day pass through.
"""
self.next_weight = 1.0
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
return [weights.WeighedHost(host_state, self.next_weight)]
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
self.stubs.Set(sched.host_manager, 'get_filtered_hosts',
fake_get_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler,
'get_weighed_objects', _fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
request_spec = {'num_instances': 10,
'instance_type': {'memory_mb': 512, 'root_gb': 512,
'ephemeral_gb': 0,
'vcpus': 1},
'instance_properties': {'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux',
'uuid': 'fake-uuid'}}
self.mox.ReplayAll()
weighed_hosts = sched._schedule(fake_context, request_spec, {})
self.assertEqual(len(weighed_hosts), 10)
for weighed_host in weighed_hosts:
self.assertIsNotNone(weighed_host.obj)
def test_schedule_happy_day(self, mock_get_extra):
"""Make sure there's nothing glaringly wrong with _schedule()
by doing a happy day pass through.
"""
self.next_weight = 1.0
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
return [weights.WeighedHost(host_state, self.next_weight)]
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext("user", "project", is_admin=True)
self.stubs.Set(sched.host_manager, "get_filtered_hosts", fake_get_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler, "get_weighed_objects", _fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
request_spec = {
"num_instances": 10,
"instance_type": {"memory_mb": 512, "root_gb": 512, "ephemeral_gb": 0, "vcpus": 1},
"instance_properties": {
"project_id": 1,
"root_gb": 512,
"memory_mb": 512,
"ephemeral_gb": 0,
"vcpus": 1,
"os_type": "Linux",
"uuid": "fake-uuid",
},
}
self.mox.ReplayAll()
weighed_hosts = sched._schedule(fake_context, request_spec, {})
self.assertEqual(len(weighed_hosts), 10)
for weighed_host in weighed_hosts:
self.assertIsNotNone(weighed_host.obj)