def test_select_hosts_happy_day(self):
"""select_hosts is basically a wrapper around the _select() method.
Similar to the _select tests, this just does a happy path test to
ensure there is nothing glaringly wrong.
"""
self.next_weight = 1.0
sched = fakes.FakeSolverScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
self.stubs.Set(sched.host_manager,
'get_hosts_stripping_ignored_and_forced',
fake_get_hosts_stripping_ignored_and_forced)
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'}}
self.mox.ReplayAll()
hosts = sched.select_hosts(fake_context, request_spec, {})
self.assertEquals(len(hosts), 10)
for host in hosts:
self.assertTrue(host is not None)
def test_select_destinations(self):
"""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.
"""
selected_hosts = []
selected_nodes = []
sched = fakes.FakeSolverScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
self.stubs.Set(sched.host_manager,
'get_hosts_stripping_ignored_and_forced',
fake_get_hosts_stripping_ignored_and_forced)
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'},
'num_instances': 1}
self.mox.ReplayAll()
dests = sched.select_destinations(fake_context, request_spec, {})
(host, node) = (dests[0]['host'], dests[0]['nodename'])
self.assertTrue(host is not None)
self.assertTrue(node is not None)
def test_schedule_chooses_best_host(self):
"""The host with the highest free_ram_mb will be chosen!
"""
self.flags(scheduler_host_subset_size=1)
self.flags(ram_weight_multiplier=-1)
sched = fakes.FakeSolverScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
self.stubs.Set(sched.host_manager,
'get_hosts_stripping_ignored_and_forced',
fake_get_hosts_stripping_ignored_and_forced)
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'}
request_spec = dict(instance_properties=instance_properties)
filter_properties = {}
self.mox.ReplayAll()
hosts = sched._schedule(self.context, request_spec,
filter_properties=filter_properties)
# one host should be chosen
self.assertEquals(1, len(hosts))
def test_schedule_large_host_pool(self):
"""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",
}
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_happy_day(self):
"""Make sure there's nothing glaringly wrong with _schedule()
by doing a happy day pass through."""
self.next_weight = 1.0
def _fake_weighted_sum(functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
return least_cost.WeightedHost(self.next_weight, host_state=host_state)
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext("user", "project", is_admin=True)
self.stubs.Set(sched.host_manager, "filter_hosts", fake_filter_hosts)
self.stubs.Set(least_cost, "weighted_sum", _fake_weighted_sum)
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},
}
self.mox.ReplayAll()
weighted_hosts = sched._schedule(fake_context, "compute", request_spec, {})
self.assertEquals(len(weighted_hosts), 10)
for weighted_host in weighted_hosts:
self.assertTrue(weighted_host.host_state is not None)
def test_schedule_happy_day(self):
"""Make sure there's nothing glaringly wrong with _schedule()
by doing a happy day pass through.
"""
sched = fakes.FakeSolverScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
self.stubs.Set(sched.host_manager,
'get_hosts_stripping_ignored_and_forced',
fake_get_hosts_stripping_ignored_and_forced)
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'}}
self.mox.ReplayAll()
selected_hosts = sched._schedule(fake_context, request_spec, {})
self.assertEquals(len(selected_hosts), 10)
for host in selected_hosts:
self.assertTrue(host is not None)
def test_schedule_host_pool(self):
"""Make sure the scheduler_host_subset_size property works properly."""
self.flags(scheduler_host_subset_size=2)
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)
instance_properties = {
'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'os_type': 'Linux'
}
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 chosen
self.assertEqual(len(hosts), 1)
def test_schedule_host_pool(self, mock_get_extra):
"""Make sure the scheduler_host_subset_size property works properly."""
self.flags(scheduler_host_subset_size=2)
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)
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 chosen
self.assertEqual(len(hosts), 1)
def test_schedule_large_host_pool(self):
"""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'}
request_spec = dict(instance_properties=instance_properties)
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_host_pool(self, mock_get_extra):
"""Make sure the scheduler_host_subset_size property works properly."""
self.flags(scheduler_host_subset_size=2)
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)
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 chosen
self.assertEqual(len(hosts), 1)
def _get_all_hosts(self):
ctxt = context.get_admin_context()
fakes.mox_host_manager_db_calls(self.mox, ctxt)
self.mox.ReplayAll()
host_states = self.host_manager.get_all_host_states(ctxt)
self.mox.VerifyAll()
self.mox.ResetAll()
return host_states
def _get_all_hosts(self):
ctxt = context.get_admin_context()
fakes.mox_host_manager_db_calls(self.mox, ctxt)
self.mox.ReplayAll()
host_states = self.host_manager.get_all_host_states(ctxt, "compute")
self.mox.VerifyAll()
self.mox.ResetAll()
return host_states
def test_schedule_correct_instance_type(self):
""" Make sure "_schedule" correct the instance_type of request_spec
and filter_properties"""
self.next_weight = 1.0
expect_inst_type = {'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'extra_specs': {'vcpus': 20, 'ecus_per_vcpu:': 2}}
old_inst_type = {'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'extra_specs': {'ecus_per_vcpu:': 2}}
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
def _fake_instance_type_g_b_fid(*args, **kwargs):
return expect_inst_type
def _fake_weighted_sum(functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
return least_cost.WeightedHost(self.next_weight,
host_state=host_state)
return least_cost.WeightedHost(1, host_state=hosts[0])
self.stubs.Set(least_cost, 'weighted_sum', _fake_weighted_sum)
self.stubs.Set(db,
'instance_type_get_by_flavor_id', _fake_instance_type_g_b_fid)
self.stubs.Set(sched.host_manager, 'filter_hosts', fake_filter_hosts)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
request_spec = {'num_instances': 10,
'instance_type': old_inst_type,
'instance_properties': {'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1}}
filter_pros = {}
self.mox.ReplayAll()
sched._schedule(fake_context, 'compute', request_spec, filter_pros)
self.assertEqual(filter_pros['instance_type'], expect_inst_type)
self.assertEqual(request_spec['instance_type'], expect_inst_type)
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_select_hosts_happy_day(self):
"""select_hosts is basically a wrapper around the _select() method.
Similar to the _select tests, this just does a happy path test to
ensure there is nothing glaringly wrong.
"""
self.next_weight = 1.0
selected_hosts = []
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
selected_hosts.append(host_state.host)
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'
}
}
self.mox.ReplayAll()
hosts = sched.select_hosts(fake_context, request_spec, {})
self.assertEquals(len(hosts), 10)
self.assertEquals(hosts, selected_hosts)
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_chooses_best_host(self):
"""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",
}
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.assertEquals(1, len(hosts))
self.assertEquals(50, hosts[0].weight)
def test_schedule_local_zone(self):
"""Test to make sure _schedule makes no call out to zones if
local_zone_only in the filter_properties is True.
"""
self.next_weight = 1.0
def _fake_weighted_sum(functions, hosts, options):
self.next_weight += 2.0
host = hosts[0]
return least_cost.WeightedHost(self.next_weight, host_state=host)
sched = fakes.FakeDistributedScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
self.stubs.Set(sched.host_manager, 'filter_hosts',
fake_filter_hosts)
self.stubs.Set(least_cost, 'weighted_sum', _fake_weighted_sum)
self.stubs.Set(db, 'zone_get_all', fake_zone_get_all)
self.stubs.Set(sched, '_call_zone_method', fake_call_zone_method)
request_spec = {'num_instances': 10,
'instance_type': {'memory_mb': 512, 'root_gb': 512,
'ephemeral_gb': 256},
'instance_properties': {'project_id': 1,
'memory_mb': 512,
'root_gb': 512,
'ephemeral_gb': 0,
'vcpus': 1}}
filter_properties = {'local_zone_only': True}
self.mox.ReplayAll()
weighted_hosts = sched._schedule(fake_context, 'compute',
request_spec, filter_properties=filter_properties)
self.mox.VerifyAll()
self.assertEquals(len(weighted_hosts), 10)
for weighted_host in weighted_hosts:
# There should be no remote hosts
self.assertTrue(weighted_host.host_state is not None)
self.assertTrue(weighted_host.zone is None)
def test_schedule_happy_day(self):
"""Make sure there's nothing glaringly wrong with _schedule()
by doing a happy day pass through."""
self.next_weight = 1.0
def _fake_weighted_sum(functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
return least_cost.WeightedHost(self.next_weight,
host_state=host_state)
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project', is_admin=True)
self.stubs.Set(sched.host_manager, 'filter_hosts', fake_filter_hosts)
self.stubs.Set(least_cost, 'weighted_sum', _fake_weighted_sum)
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'
}
}
self.mox.ReplayAll()
weighted_hosts = sched._schedule(fake_context, 'compute', request_spec,
{})
self.assertEquals(len(weighted_hosts), 10)
for weighted_host in weighted_hosts:
self.assertTrue(weighted_host.host_state is not None)
def test_select_hosts_happy_day(self):
"""select_hosts is basically a wrapper around the _select() method.
Similar to the _select tests, this just does a happy path test to
ensure there is nothing glaringly wrong.
"""
self.next_weight = 1.0
selected_hosts = []
def _fake_weigh_objects(_self, functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
selected_hosts.append(host_state.host)
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'}}
self.mox.ReplayAll()
hosts = sched.select_hosts(fake_context, request_spec, {})
self.assertEquals(len(hosts), 10)
self.assertEquals(hosts, selected_hosts)
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):
"""Make sure there's nothing glaringly wrong with _schedule()
by doing a happy day pass through."""
self.next_weight = 1.0
def _fake_weighted_sum(functions, hosts, options):
self.next_weight += 2.0
host_state = hosts[0]
return least_cost.WeightedHost(self.next_weight,
host_state=host_state)
sched = fakes.FakeFilterScheduler()
fake_context = context.RequestContext('user', 'project',
is_admin=True)
self.stubs.Set(sched.host_manager, 'filter_hosts',
fake_filter_hosts)
self.stubs.Set(least_cost, 'weighted_sum', _fake_weighted_sum)
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,
'extra_specs':
{'ecus_per_vcpu:': 2}},
'instance_properties': {'project_id': 1,
'root_gb': 512,
'memory_mb': 512,
'ephemeral_gb': 0,
'vcpus': 1}}
self.mox.ReplayAll()
weighted_hosts = sched._schedule(fake_context, 'compute',
request_spec, {})
self.assertEquals(len(weighted_hosts), 10)
for weighted_host in weighted_hosts:
self.assertTrue(weighted_host.host_state is not None)
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_basic_schedule_run_instances_anti_affinity(self):
filter_properties = {'scheduler_hints':
{'group': 'cats'}}
# Request spec 1
instance_opts1 = {'project_id': 1, 'os_type': 'Linux',
'memory_mb': 512, 'root_gb': 512,
'ephemeral_gb': 0, 'vcpus': 1,
'system_metadata': {'system': 'metadata'}}
request_spec1 = {'instance_uuids': ['fake-uuid1-1', 'fake-uuid1-2'],
'instance_properties': instance_opts1,
'instance_type': {'memory_mb': 512, 'root_gb': 512,
'ephemeral_gb': 0, 'vcpus': 1}}
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_group_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler,
'get_weighed_objects', _fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
self.mox.StubOutWithMock(driver, 'instance_update_db')
self.mox.StubOutWithMock(compute_rpcapi.ComputeAPI, 'run_instance')
self.mox.StubOutWithMock(sched, 'group_hosts')
instance1_1 = {'uuid': 'fake-uuid1-1'}
instance1_2 = {'uuid': 'fake-uuid1-2'}
sched.group_hosts(mox.IgnoreArg(), 'cats').AndReturn([])
def inc_launch_index1(*args, **kwargs):
request_spec1['instance_properties']['launch_index'] = (
request_spec1['instance_properties']['launch_index'] + 1)
expected_metadata = {'system_metadata':
{'system': 'metadata', 'group': 'cats'}}
driver.instance_update_db(fake_context, instance1_1['uuid'],
extra_values=expected_metadata).WithSideEffects(
inc_launch_index1).AndReturn(instance1_1)
compute_rpcapi.ComputeAPI.run_instance(fake_context, host='host3',
instance=instance1_1, requested_networks=None,
injected_files=None, admin_password=None, is_first_time=None,
request_spec=request_spec1, filter_properties=mox.IgnoreArg(),
node='node3')
driver.instance_update_db(fake_context, instance1_2['uuid'],
extra_values=expected_metadata).WithSideEffects(
inc_launch_index1).AndReturn(instance1_2)
compute_rpcapi.ComputeAPI.run_instance(fake_context, host='host4',
instance=instance1_2, requested_networks=None,
injected_files=None, admin_password=None, is_first_time=None,
request_spec=request_spec1, filter_properties=mox.IgnoreArg(),
node='node4')
self.mox.ReplayAll()
sched.schedule_run_instance(fake_context, request_spec1,
None, None, None, None, filter_properties)
def test_basic_schedule_run_instances_anti_affinity(self):
filter_properties = {"scheduler_hints": {"group": "cats"}}
# Request spec 1
instance_opts1 = {
"project_id": 1,
"os_type": "Linux",
"memory_mb": 512,
"root_gb": 512,
"ephemeral_gb": 0,
"vcpus": 1,
"system_metadata": {"system": "metadata"},
}
request_spec1 = {
"instance_uuids": ["fake-uuid1-1", "fake-uuid1-2"],
"instance_properties": instance_opts1,
"instance_type": {"memory_mb": 512, "root_gb": 512, "ephemeral_gb": 0, "vcpus": 1},
}
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_group_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler, "get_weighed_objects", _fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
self.mox.StubOutWithMock(driver, "instance_update_db")
self.mox.StubOutWithMock(compute_rpcapi.ComputeAPI, "run_instance")
self.mox.StubOutWithMock(sched, "group_hosts")
instance1_1 = {"uuid": "fake-uuid1-1"}
instance1_2 = {"uuid": "fake-uuid1-2"}
sched.group_hosts(mox.IgnoreArg(), "cats").AndReturn([])
def inc_launch_index1(*args, **kwargs):
request_spec1["instance_properties"]["launch_index"] = (
request_spec1["instance_properties"]["launch_index"] + 1
)
expected_metadata = {"system_metadata": {"system": "metadata", "group": "cats"}}
driver.instance_update_db(fake_context, instance1_1["uuid"], extra_values=expected_metadata).WithSideEffects(
inc_launch_index1
).AndReturn(instance1_1)
compute_rpcapi.ComputeAPI.run_instance(
fake_context,
host="host3",
instance=instance1_1,
requested_networks=None,
injected_files=None,
admin_password=None,
is_first_time=None,
request_spec=request_spec1,
filter_properties=mox.IgnoreArg(),
node="node3",
legacy_bdm_in_spec=False,
)
driver.instance_update_db(fake_context, instance1_2["uuid"], extra_values=expected_metadata).WithSideEffects(
inc_launch_index1
).AndReturn(instance1_2)
compute_rpcapi.ComputeAPI.run_instance(
fake_context,
host="host4",
instance=instance1_2,
requested_networks=None,
injected_files=None,
admin_password=None,
is_first_time=None,
request_spec=request_spec1,
filter_properties=mox.IgnoreArg(),
node="node4",
legacy_bdm_in_spec=False,
)
self.mox.ReplayAll()
sched.schedule_run_instance(fake_context, request_spec1, None, None, None, None, filter_properties, False)
def test_basic_schedule_run_instances_anti_affinity(self):
filter_properties = {'scheduler_hints': {'group': 'cats'}}
# Request spec 1
instance_opts1 = {
'project_id': 1,
'os_type': 'Linux',
'memory_mb': 512,
'root_gb': 512,
'ephemeral_gb': 0,
'vcpus': 1,
'system_metadata': {
'system': 'metadata'
}
}
request_spec1 = {
'instance_uuids': ['fake-uuid1-1', 'fake-uuid1-2'],
'instance_properties': instance_opts1,
'instance_type': {
'memory_mb': 512,
'root_gb': 512,
'ephemeral_gb': 0,
'vcpus': 1
}
}
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_group_filtered_hosts)
self.stubs.Set(weights.HostWeightHandler, 'get_weighed_objects',
_fake_weigh_objects)
fakes.mox_host_manager_db_calls(self.mox, fake_context)
self.mox.StubOutWithMock(driver, 'instance_update_db')
self.mox.StubOutWithMock(compute_rpcapi.ComputeAPI, 'run_instance')
self.mox.StubOutWithMock(sched, 'group_hosts')
instance1_1 = {'uuid': 'fake-uuid1-1'}
instance1_2 = {'uuid': 'fake-uuid1-2'}
sched.group_hosts(mox.IgnoreArg(), 'cats').AndReturn([])
def inc_launch_index1(*args, **kwargs):
request_spec1['instance_properties']['launch_index'] = (
request_spec1['instance_properties']['launch_index'] + 1)
expected_metadata = {
'system_metadata': {
'system': 'metadata',
'group': 'cats'
}
}
driver.instance_update_db(
fake_context, instance1_1['uuid'],
extra_values=expected_metadata).WithSideEffects(
inc_launch_index1).AndReturn(instance1_1)
compute_rpcapi.ComputeAPI.run_instance(
fake_context,
host='host3',
instance=instance1_1,
requested_networks=None,
injected_files=None,
admin_password=None,
is_first_time=None,
request_spec=request_spec1,
filter_properties=mox.IgnoreArg(),
node='node3',
legacy_bdm_in_spec=False)
driver.instance_update_db(
fake_context, instance1_2['uuid'],
extra_values=expected_metadata).WithSideEffects(
inc_launch_index1).AndReturn(instance1_2)
compute_rpcapi.ComputeAPI.run_instance(
fake_context,
host='host4',
instance=instance1_2,
requested_networks=None,
injected_files=None,
admin_password=None,
is_first_time=None,
request_spec=request_spec1,
filter_properties=mox.IgnoreArg(),
node='node4',
legacy_bdm_in_spec=False)
self.mox.ReplayAll()
sched.schedule_run_instance(fake_context, request_spec1, None, None,
None, None, filter_properties, False)
