nova/nova/tests/functional/db/test_resource_provider.py

872 lines
36 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import mock
from oslo_db import exception as db_exc
from nova import context
from nova import exception
from nova import objects
from nova.objects import fields
from nova import test
from nova.tests import fixtures
from nova.tests import uuidsentinel
RESOURCE_CLASS = fields.ResourceClass.DISK_GB
RESOURCE_CLASS_ID = fields.ResourceClass.index(
fields.ResourceClass.DISK_GB)
DISK_INVENTORY = dict(
total=200,
reserved=10,
min_unit=2,
max_unit=5,
step_size=1,
allocation_ratio=1.0,
resource_class=RESOURCE_CLASS
)
DISK_ALLOCATION = dict(
consumer_id=uuidsentinel.disk_consumer,
used=2,
resource_class=RESOURCE_CLASS
)
class ResourceProviderBaseCase(test.NoDBTestCase):
USES_DB_SELF = True
def setUp(self):
super(ResourceProviderBaseCase, self).setUp()
self.useFixture(fixtures.Database())
self.useFixture(fixtures.Database(database='api'))
self.context = context.RequestContext('fake-user', 'fake-project')
def _make_allocation(self, rp_uuid=None):
rp_uuid = rp_uuid or uuidsentinel.allocation_resource_provider
db_rp = objects.ResourceProvider(
context=self.context,
uuid=rp_uuid,
name=rp_uuid)
db_rp.create()
updates = dict(DISK_ALLOCATION,
resource_class_id=RESOURCE_CLASS_ID,
resource_provider_id=db_rp.id)
db_allocation = objects.Allocation._create_in_db(self.context,
updates)
return db_rp, db_allocation
class ResourceProviderTestCase(ResourceProviderBaseCase):
"""Test resource-provider objects' lifecycles."""
def test_create_resource_provider_requires_uuid(self):
resource_provider = objects.ResourceProvider(
context = self.context)
self.assertRaises(exception.ObjectActionError,
resource_provider.create)
def test_create_resource_provider(self):
created_resource_provider = objects.ResourceProvider(
context=self.context,
uuid=uuidsentinel.fake_resource_provider,
name=uuidsentinel.fake_resource_name,
)
created_resource_provider.create()
self.assertIsInstance(created_resource_provider.id, int)
retrieved_resource_provider = objects.ResourceProvider.get_by_uuid(
self.context,
uuidsentinel.fake_resource_provider
)
self.assertEqual(retrieved_resource_provider.id,
created_resource_provider.id)
self.assertEqual(retrieved_resource_provider.uuid,
created_resource_provider.uuid)
self.assertEqual(retrieved_resource_provider.name,
created_resource_provider.name)
self.assertEqual(0, created_resource_provider.generation)
self.assertEqual(0, retrieved_resource_provider.generation)
def test_save_resource_provider(self):
created_resource_provider = objects.ResourceProvider(
context=self.context,
uuid=uuidsentinel.fake_resource_provider,
name=uuidsentinel.fake_resource_name,
)
created_resource_provider.create()
created_resource_provider.name = 'new-name'
created_resource_provider.save()
retrieved_resource_provider = objects.ResourceProvider.get_by_uuid(
self.context,
uuidsentinel.fake_resource_provider
)
self.assertEqual('new-name', retrieved_resource_provider.name)
def test_destroy_resource_provider(self):
created_resource_provider = objects.ResourceProvider(
context=self.context,
uuid=uuidsentinel.fake_resource_provider,
name=uuidsentinel.fake_resource_name,
)
created_resource_provider.create()
created_resource_provider.destroy()
self.assertRaises(exception.NotFound,
objects.ResourceProvider.get_by_uuid,
self.context,
uuidsentinel.fake_resource_provider)
self.assertRaises(exception.NotFound,
created_resource_provider.destroy)
def test_destroy_allocated_resource_provider_fails(self):
rp, allocation = self._make_allocation()
self.assertRaises(exception.ResourceProviderInUse,
rp.destroy)
def test_destroy_resource_provider_destroy_inventory(self):
resource_provider = objects.ResourceProvider(
context=self.context,
uuid=uuidsentinel.fake_resource_provider,
name=uuidsentinel.fake_resource_name,
)
resource_provider.create()
disk_inventory = objects.Inventory(
context=self.context,
resource_provider=resource_provider,
**DISK_INVENTORY
)
disk_inventory.create()
inventories = objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, resource_provider.uuid)
self.assertEqual(1, len(inventories))
resource_provider.destroy()
inventories = objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, resource_provider.uuid)
self.assertEqual(0, len(inventories))
def test_create_inventory_with_uncreated_provider(self):
resource_provider = objects.ResourceProvider(
context=self.context,
uuid=uuidsentinel.inventory_resource_provider
)
disk_inventory = objects.Inventory(
context=self.context,
resource_provider=resource_provider,
**DISK_INVENTORY
)
self.assertRaises(exception.ObjectActionError,
disk_inventory.create)
def test_create_and_update_inventory(self):
resource_provider = objects.ResourceProvider(
context=self.context,
uuid=uuidsentinel.inventory_resource_provider,
name='foo',
)
resource_provider.create()
resource_class = fields.ResourceClass.DISK_GB
disk_inventory = objects.Inventory(
context=self.context,
resource_provider=resource_provider,
**DISK_INVENTORY
)
disk_inventory.create()
self.assertEqual(resource_class, disk_inventory.resource_class)
self.assertEqual(resource_provider,
disk_inventory.resource_provider)
self.assertEqual(DISK_INVENTORY['allocation_ratio'],
disk_inventory.allocation_ratio)
self.assertEqual(DISK_INVENTORY['total'],
disk_inventory.total)
disk_inventory.total = 32
disk_inventory.save()
inventories = objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, resource_provider.uuid)
self.assertEqual(1, len(inventories))
self.assertEqual(32, inventories[0].total)
inventories[0].total = 33
inventories[0].save()
reloaded_inventories = (
objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, resource_provider.uuid))
self.assertEqual(33, reloaded_inventories[0].total)
@mock.patch('nova.objects.resource_provider.LOG')
def test_set_inventory_over_capacity(self, mock_log):
rp = objects.ResourceProvider(context=self.context,
uuid=uuidsentinel.rp_uuid,
name=uuidsentinel.rp_name)
rp.create()
disk_inv = objects.Inventory(
resource_provider=rp,
resource_class=fields.ResourceClass.DISK_GB,
total=1024,
reserved=15,
min_unit=10,
max_unit=100,
step_size=10,
allocation_ratio=1.0)
vcpu_inv = objects.Inventory(
resource_provider=rp,
resource_class=fields.ResourceClass.VCPU,
total=12,
reserved=0,
min_unit=1,
max_unit=12,
step_size=1,
allocation_ratio=16.0)
inv_list = objects.InventoryList(objects=[disk_inv, vcpu_inv])
rp.set_inventory(inv_list)
self.assertFalse(mock_log.warning.called)
# Allocate something reasonable for the above inventory
alloc = objects.Allocation(
context=self.context,
resource_provider=rp,
consumer_id=uuidsentinel.consumer,
resource_class='DISK_GB',
used=512)
alloc.create()
# Update our inventory to over-subscribe us after the above allocation
disk_inv.total = 400
rp.set_inventory(inv_list)
# We should succeed, but have logged a warning for going over on disk
mock_log.warning.assert_called_once_with(
mock.ANY, {'uuid': rp.uuid, 'resource': 'DISK_GB'})
def test_provider_modify_inventory(self):
rp = objects.ResourceProvider(context=self.context,
uuid=uuidsentinel.rp_uuid,
name=uuidsentinel.rp_name)
rp.create()
saved_generation = rp.generation
disk_inv = objects.Inventory(
resource_provider=rp,
resource_class=fields.ResourceClass.DISK_GB,
total=1024,
reserved=15,
min_unit=10,
max_unit=100,
step_size=10,
allocation_ratio=1.0)
vcpu_inv = objects.Inventory(
resource_provider=rp,
resource_class=fields.ResourceClass.VCPU,
total=12,
reserved=0,
min_unit=1,
max_unit=12,
step_size=1,
allocation_ratio=16.0)
# set to new list
inv_list = objects.InventoryList(objects=[disk_inv, vcpu_inv])
rp.set_inventory(inv_list)
# generation has bumped
self.assertEqual(saved_generation + 1, rp.generation)
saved_generation = rp.generation
new_inv_list = objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, uuidsentinel.rp_uuid)
self.assertEqual(2, len(new_inv_list))
resource_classes = [inv.resource_class for inv in new_inv_list]
self.assertIn(fields.ResourceClass.VCPU, resource_classes)
self.assertIn(fields.ResourceClass.DISK_GB, resource_classes)
# reset list to just disk_inv
inv_list = objects.InventoryList(objects=[disk_inv])
rp.set_inventory(inv_list)
# generation has bumped
self.assertEqual(saved_generation + 1, rp.generation)
saved_generation = rp.generation
new_inv_list = objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, uuidsentinel.rp_uuid)
self.assertEqual(1, len(new_inv_list))
resource_classes = [inv.resource_class for inv in new_inv_list]
self.assertNotIn(fields.ResourceClass.VCPU, resource_classes)
self.assertIn(fields.ResourceClass.DISK_GB, resource_classes)
self.assertEqual(1024, new_inv_list[0].total)
# update existing disk inv to new settings
disk_inv = objects.Inventory(
resource_provider=rp,
resource_class=fields.ResourceClass.DISK_GB,
total=2048,
reserved=15,
min_unit=10,
max_unit=100,
step_size=10,
allocation_ratio=1.0)
rp.update_inventory(disk_inv)
# generation has bumped
self.assertEqual(saved_generation + 1, rp.generation)
saved_generation = rp.generation
new_inv_list = objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, uuidsentinel.rp_uuid)
self.assertEqual(1, len(new_inv_list))
self.assertEqual(2048, new_inv_list[0].total)
# fail when inventory bad
disk_inv = objects.Inventory(
resource_provider=rp,
resource_class=fields.ResourceClass.DISK_GB,
total=2048,
reserved=2048)
disk_inv.obj_set_defaults()
error = self.assertRaises(exception.InvalidInventoryCapacity,
rp.update_inventory, disk_inv)
self.assertIn("Invalid inventory for '%s'"
% fields.ResourceClass.DISK_GB, str(error))
self.assertIn("on resource provider '%s'." % rp.uuid, str(error))
# generation has not bumped
self.assertEqual(saved_generation, rp.generation)
# delete inventory
rp.delete_inventory(fields.ResourceClass.DISK_GB)
# generation has bumped
self.assertEqual(saved_generation + 1, rp.generation)
saved_generation = rp.generation
new_inv_list = objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, uuidsentinel.rp_uuid)
result = new_inv_list.find(fields.ResourceClass.DISK_GB)
self.assertIsNone(result)
self.assertRaises(exception.NotFound, rp.delete_inventory,
fields.ResourceClass.DISK_GB)
# check inventory list is empty
inv_list = objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, uuidsentinel.rp_uuid)
self.assertEqual(0, len(inv_list))
# add some inventory
rp.add_inventory(vcpu_inv)
inv_list = objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, uuidsentinel.rp_uuid)
self.assertEqual(1, len(inv_list))
# generation has bumped
self.assertEqual(saved_generation + 1, rp.generation)
saved_generation = rp.generation
# add same inventory again
self.assertRaises(db_exc.DBDuplicateEntry,
rp.add_inventory, vcpu_inv)
# generation has not bumped
self.assertEqual(saved_generation, rp.generation)
# fail when generation wrong
rp.generation = rp.generation - 1
self.assertRaises(exception.ConcurrentUpdateDetected,
rp.set_inventory, inv_list)
def test_delete_inventory_not_found(self):
rp = objects.ResourceProvider(context=self.context,
uuid=uuidsentinel.rp_uuid,
name=uuidsentinel.rp_name)
rp.create()
error = self.assertRaises(exception.NotFound, rp.delete_inventory,
'DISK_GB')
self.assertIn('No inventory of class DISK_GB found for delete',
str(error))
def test_delete_inventory_with_allocation(self):
rp, allocation = self._make_allocation()
disk_inv = objects.Inventory(resource_provider=rp,
resource_class='DISK_GB',
total=2048)
disk_inv.obj_set_defaults()
inv_list = objects.InventoryList(objects=[disk_inv])
rp.set_inventory(inv_list)
error = self.assertRaises(exception.InventoryInUse,
rp.delete_inventory,
'DISK_GB')
self.assertIn(
"Inventory for 'DISK_GB' on resource provider '%s' in use"
% rp.uuid, str(error))
def test_update_inventory_not_found(self):
rp = objects.ResourceProvider(context=self.context,
uuid=uuidsentinel.rp_uuid,
name=uuidsentinel.rp_name)
rp.create()
disk_inv = objects.Inventory(resource_provider=rp,
resource_class='DISK_GB',
total=2048)
disk_inv.obj_set_defaults()
error = self.assertRaises(exception.NotFound, rp.update_inventory,
disk_inv)
self.assertIn('No inventory of class DISK_GB found for update',
str(error))
@mock.patch('nova.objects.resource_provider.LOG')
def test_update_inventory_violates_allocation(self, mock_log):
# Compute nodes that are reconfigured have to be able to set
# their inventory to something that violates allocations so
# we need to make that possible.
rp, allocation = self._make_allocation()
disk_inv = objects.Inventory(resource_provider=rp,
resource_class='DISK_GB',
total=2048)
disk_inv.obj_set_defaults()
inv_list = objects.InventoryList(objects=[disk_inv])
rp.set_inventory(inv_list)
# attempt to set inventory to less than currently allocated
# amounts
new_total = 1
disk_inv = objects.Inventory(
resource_provider=rp,
resource_class=fields.ResourceClass.DISK_GB, total=new_total)
disk_inv.obj_set_defaults()
rp.update_inventory(disk_inv)
usages = objects.UsageList.get_all_by_resource_provider_uuid(
self.context, rp.uuid)
self.assertEqual(allocation.used, usages[0].usage)
inv_list = objects.InventoryList.get_all_by_resource_provider_uuid(
self.context, rp.uuid)
self.assertEqual(new_total, inv_list[0].total)
mock_log.warning.assert_called_once_with(
mock.ANY, {'uuid': rp.uuid, 'resource': 'DISK_GB'})
def test_add_invalid_inventory(self):
rp = objects.ResourceProvider(context=self.context,
uuid=uuidsentinel.rp_uuid,
name=uuidsentinel.rp_name)
rp.create()
disk_inv = objects.Inventory(
resource_provider=rp,
resource_class=fields.ResourceClass.DISK_GB,
total=1024, reserved=2048)
disk_inv.obj_set_defaults()
error = self.assertRaises(exception.InvalidInventoryCapacity,
rp.add_inventory,
disk_inv)
self.assertIn("Invalid inventory for '%s'"
% fields.ResourceClass.DISK_GB, str(error))
self.assertIn("on resource provider '%s'."
% rp.uuid, str(error))
class ResourceProviderListTestCase(ResourceProviderBaseCase):
def setUp(self):
super(ResourceProviderListTestCase, self).setUp()
self.useFixture(fixtures.Database())
self.useFixture(fixtures.Database(database='api'))
self.context = context.RequestContext('fake-user', 'fake-project')
def test_get_all_by_filters(self):
for rp_i in ['1', '2']:
uuid = getattr(uuidsentinel, 'rp_uuid_' + rp_i)
name = 'rp_name_' + rp_i
rp = objects.ResourceProvider(self.context, name=name, uuid=uuid)
rp.create()
resource_providers = objects.ResourceProviderList.get_all_by_filters(
self.context)
self.assertEqual(2, len(resource_providers))
resource_providers = objects.ResourceProviderList.get_all_by_filters(
self.context, filters={'name': 'rp_name_1'})
self.assertEqual(1, len(resource_providers))
resource_providers = objects.ResourceProviderList.get_all_by_filters(
self.context, filters={'can_host': 1})
self.assertEqual(0, len(resource_providers))
resource_providers = objects.ResourceProviderList.get_all_by_filters(
self.context, filters={'uuid': getattr(uuidsentinel, 'rp_uuid_2')})
self.assertEqual(1, len(resource_providers))
self.assertEqual('rp_name_2', resource_providers[0].name)
class TestAllocation(ResourceProviderBaseCase):
def test_create_list_and_delete_allocation(self):
resource_provider = objects.ResourceProvider(
context=self.context,
uuid=uuidsentinel.allocation_resource_provider,
name=uuidsentinel.allocation_resource_name
)
resource_provider.create()
resource_class = fields.ResourceClass.DISK_GB
disk_allocation = objects.Allocation(
context=self.context,
resource_provider=resource_provider,
**DISK_ALLOCATION
)
disk_allocation.create()
self.assertEqual(resource_class, disk_allocation.resource_class)
self.assertEqual(resource_provider,
disk_allocation.resource_provider)
self.assertEqual(DISK_ALLOCATION['used'],
disk_allocation.used)
self.assertEqual(DISK_ALLOCATION['consumer_id'],
disk_allocation.consumer_id)
self.assertIsInstance(disk_allocation.id, int)
allocations = objects.AllocationList.get_all_by_resource_provider_uuid(
self.context, resource_provider.uuid)
self.assertEqual(1, len(allocations))
self.assertEqual(DISK_ALLOCATION['used'],
allocations[0].used)
allocations[0].destroy()
allocations = objects.AllocationList.get_all_by_resource_provider_uuid(
self.context, resource_provider.uuid)
self.assertEqual(0, len(allocations))
def test_destroy(self):
rp, allocation = self._make_allocation()
allocations = objects.AllocationList.get_all_by_resource_provider_uuid(
self.context, rp.uuid)
self.assertEqual(1, len(allocations))
objects.Allocation._destroy(self.context, allocation.id)
allocations = objects.AllocationList.get_all_by_resource_provider_uuid(
self.context, rp.uuid)
self.assertEqual(0, len(allocations))
self.assertRaises(exception.NotFound, objects.Allocation._destroy,
self.context, allocation.id)
def test_get_allocations_from_db(self):
rp, allocation = self._make_allocation()
allocations = objects.AllocationList._get_allocations_from_db(
self.context, rp.uuid)
self.assertEqual(1, len(allocations))
self.assertEqual(rp.id, allocations[0].resource_provider_id)
self.assertEqual(allocation.resource_provider_id,
allocations[0].resource_provider_id)
allocations = objects.AllocationList._get_allocations_from_db(
self.context, uuidsentinel.bad_rp_uuid)
self.assertEqual(0, len(allocations))
def test_get_all_by_resource_provider(self):
rp, allocation = self._make_allocation()
allocations = objects.AllocationList.get_all_by_resource_provider_uuid(
self.context, rp.uuid)
self.assertEqual(1, len(allocations))
self.assertEqual(rp.id, allocations[0].resource_provider.id)
self.assertEqual(allocation.resource_provider_id,
allocations[0].resource_provider.id)
def test_get_all_multiple_providers(self):
# This confirms that the join with resource provider is
# behaving.
rp1, allocation1 = self._make_allocation(uuidsentinel.rp1)
rp2, allocation2 = self._make_allocation(uuidsentinel.rp2)
allocations = objects.AllocationList.get_all_by_resource_provider_uuid(
self.context, rp1.uuid)
self.assertEqual(1, len(allocations))
self.assertEqual(rp1.id, allocations[0].resource_provider.id)
self.assertEqual(allocation1.resource_provider_id,
allocations[0].resource_provider.id)
# add more allocations for the first resource provider
# of the same class
updates = dict(consumer_id=uuidsentinel.consumer1,
resource_class_id=RESOURCE_CLASS_ID,
resource_provider_id=rp1.id,
used=2)
objects.Allocation._create_in_db(self.context, updates)
allocations = objects.AllocationList.get_all_by_resource_provider_uuid(
self.context, rp1.uuid)
self.assertEqual(2, len(allocations))
# add more allocations for the first resource provider
# of a different class
updates = dict(consumer_id=uuidsentinel.consumer1,
resource_class_id=fields.ResourceClass.index(
fields.ResourceClass.IPV4_ADDRESS),
resource_provider_id=rp1.id,
used=4)
objects.Allocation._create_in_db(self.context, updates)
allocations = objects.AllocationList.get_all_by_resource_provider_uuid(
self.context, rp1.uuid)
self.assertEqual(3, len(allocations))
self.assertEqual(rp1.uuid, allocations[0].resource_provider.uuid)
allocations = objects.AllocationList.get_all_by_resource_provider_uuid(
self.context, rp2.uuid)
self.assertEqual(1, len(allocations))
self.assertEqual(rp2.uuid, allocations[0].resource_provider.uuid)
self.assertIn(RESOURCE_CLASS,
[allocation.resource_class
for allocation in allocations])
self.assertNotIn(fields.ResourceClass.IPV4_ADDRESS,
[allocation.resource_class
for allocation in allocations])
class TestAllocationListCreateDelete(ResourceProviderBaseCase):
def test_allocation_checking(self):
"""Test that allocation check logic works with 2 resource classes on
one provider.
If this fails, we get a KeyError at create_all()
"""
consumer_uuid = uuidsentinel.consumer
consumer_uuid2 = uuidsentinel.consumer2
# Create one resource provider with 2 classes
rp1_name = uuidsentinel.rp1_name
rp1_uuid = uuidsentinel.rp1_uuid
rp1_class = fields.ResourceClass.DISK_GB
rp1_used = 6
rp2_class = fields.ResourceClass.IPV4_ADDRESS
rp2_used = 2
rp1 = objects.ResourceProvider(
self.context, name=rp1_name, uuid=rp1_uuid)
rp1.create()
inv = objects.Inventory(resource_provider=rp1,
resource_class=rp1_class,
total=1024)
inv.obj_set_defaults()
inv2 = objects.Inventory(resource_provider=rp1,
resource_class=rp2_class,
total=255, reserved=2)
inv2.obj_set_defaults()
inv_list = objects.InventoryList(objects=[inv, inv2])
rp1.set_inventory(inv_list)
# create the allocations for a first consumer
allocation_1 = objects.Allocation(resource_provider=rp1,
consumer_id=consumer_uuid,
resource_class=rp1_class,
used=rp1_used)
allocation_2 = objects.Allocation(resource_provider=rp1,
consumer_id=consumer_uuid,
resource_class=rp2_class,
used=rp2_used)
allocation_list = objects.AllocationList(
self.context, objects=[allocation_1, allocation_2])
allocation_list.create_all()
# create the allocations for a second consumer, until we have
# allocations for more than one consumer in the db, then we
# won't actually be doing real allocation math, which triggers
# the sql monster.
allocation_1 = objects.Allocation(resource_provider=rp1,
consumer_id=consumer_uuid2,
resource_class=rp1_class,
used=rp1_used)
allocation_2 = objects.Allocation(resource_provider=rp1,
consumer_id=consumer_uuid2,
resource_class=rp2_class,
used=rp2_used)
allocation_list = objects.AllocationList(
self.context, objects=[allocation_1, allocation_2])
# If we are joining wrong, this will be a KeyError
allocation_list.create_all()
def test_allocation_list_create(self):
consumer_uuid = uuidsentinel.consumer
# Create two resource providers
rp1_name = uuidsentinel.rp1_name
rp1_uuid = uuidsentinel.rp1_uuid
rp1_class = fields.ResourceClass.DISK_GB
rp1_used = 6
rp2_name = uuidsentinel.rp2_name
rp2_uuid = uuidsentinel.rp2_uuid
rp2_class = fields.ResourceClass.IPV4_ADDRESS
rp2_used = 2
rp1 = objects.ResourceProvider(
self.context, name=rp1_name, uuid=rp1_uuid)
rp1.create()
rp2 = objects.ResourceProvider(
self.context, name=rp2_name, uuid=rp2_uuid)
rp2.create()
# Two allocations, one for each resource provider.
allocation_1 = objects.Allocation(resource_provider=rp1,
consumer_id=consumer_uuid,
resource_class=rp1_class,
used=rp1_used)
allocation_2 = objects.Allocation(resource_provider=rp2,
consumer_id=consumer_uuid,
resource_class=rp2_class,
used=rp2_used)
allocation_list = objects.AllocationList(
self.context, objects=[allocation_1, allocation_2])
# There's no inventory, we have a failure.
error = self.assertRaises(exception.InvalidInventory,
allocation_list.create_all)
# Confirm that the resource class string, not index, is in
# the exception and resource providers are listed by uuid.
self.assertIn(rp1_class, str(error))
self.assertIn(rp2_class, str(error))
self.assertIn(rp1.uuid, str(error))
self.assertIn(rp2.uuid, str(error))
# Add inventory for one of the two resource providers. This should also
# fail, since rp2 has no inventory.
inv = objects.Inventory(resource_provider=rp1,
resource_class=rp1_class,
total=1024)
inv.obj_set_defaults()
inv_list = objects.InventoryList(objects=[inv])
rp1.set_inventory(inv_list)
self.assertRaises(exception.InvalidInventory,
allocation_list.create_all)
# Add inventory for the second resource provider
inv = objects.Inventory(resource_provider=rp2,
resource_class=rp2_class,
total=255, reserved=2)
inv.obj_set_defaults()
inv_list = objects.InventoryList(objects=[inv])
rp2.set_inventory(inv_list)
# Now the allocations will work.
allocation_list.create_all()
# Check that those allocations changed usage on each
# resource provider.
rp1_usage = objects.UsageList.get_all_by_resource_provider_uuid(
self.context, rp1_uuid)
rp2_usage = objects.UsageList.get_all_by_resource_provider_uuid(
self.context, rp2_uuid)
self.assertEqual(rp1_used, rp1_usage[0].usage)
self.assertEqual(rp2_used, rp2_usage[0].usage)
# redo one allocation
# TODO(cdent): This does not currently behave as expected
# because a new allocataion is created, adding to the total
# used, not replacing.
rp1_used += 1
allocation_1 = objects.Allocation(resource_provider=rp1,
consumer_id=consumer_uuid,
resource_class=rp1_class,
used=rp1_used)
allocation_list = objects.AllocationList(
self.context, objects=[allocation_1])
allocation_list.create_all()
rp1_usage = objects.UsageList.get_all_by_resource_provider_uuid(
self.context, rp1_uuid)
self.assertEqual(rp1_used, rp1_usage[0].usage)
# delete the allocations for the consumer
# NOTE(cdent): The database uses 'consumer_id' for the
# column, presumably because some ids might not be uuids, at
# some point in the future.
consumer_allocations = objects.AllocationList.get_all_by_consumer_id(
self.context, consumer_uuid)
consumer_allocations.delete_all()
rp1_usage = objects.UsageList.get_all_by_resource_provider_uuid(
self.context, rp1_uuid)
rp2_usage = objects.UsageList.get_all_by_resource_provider_uuid(
self.context, rp2_uuid)
self.assertEqual(0, rp1_usage[0].usage)
self.assertEqual(0, rp2_usage[0].usage)
class UsageListTestCase(ResourceProviderBaseCase):
def test_get_all_null(self):
for uuid in [uuidsentinel.rp_uuid_1, uuidsentinel.rp_uuid_2]:
rp = objects.ResourceProvider(self.context, name=uuid, uuid=uuid)
rp.create()
usage_list = objects.UsageList.get_all_by_resource_provider_uuid(
self.context, uuidsentinel.rp_uuid_1)
self.assertEqual(0, len(usage_list))
def test_get_all_one_allocation(self):
db_rp, _ = self._make_allocation(rp_uuid=uuidsentinel.rp_uuid)
inv = objects.Inventory(resource_provider=db_rp,
resource_class=fields.ResourceClass.DISK_GB,
total=1024)
inv.obj_set_defaults()
inv_list = objects.InventoryList(objects=[inv])
db_rp.set_inventory(inv_list)
usage_list = objects.UsageList.get_all_by_resource_provider_uuid(
self.context, db_rp.uuid)
self.assertEqual(1, len(usage_list))
self.assertEqual(2, usage_list[0].usage)
self.assertEqual(fields.ResourceClass.DISK_GB,
usage_list[0].resource_class)
def test_get_inventory_no_allocation(self):
db_rp = objects.ResourceProvider(self.context,
name=uuidsentinel.rp_no_inv,
uuid=uuidsentinel.rp_no_inv)
db_rp.create()
inv = objects.Inventory(resource_provider=db_rp,
resource_class=fields.ResourceClass.DISK_GB,
total=1024)
inv.obj_set_defaults()
inv_list = objects.InventoryList(objects=[inv])
db_rp.set_inventory(inv_list)
usage_list = objects.UsageList.get_all_by_resource_provider_uuid(
self.context, db_rp.uuid)
self.assertEqual(1, len(usage_list))
self.assertEqual(0, usage_list[0].usage)
self.assertEqual(fields.ResourceClass.DISK_GB,
usage_list[0].resource_class)
def test_get_all_multiple_inv(self):
db_rp = objects.ResourceProvider(self.context,
name=uuidsentinel.rp_no_inv,
uuid=uuidsentinel.rp_no_inv)
db_rp.create()
disk_inv = objects.Inventory(
resource_provider=db_rp,
resource_class=fields.ResourceClass.DISK_GB, total=1024)
disk_inv.obj_set_defaults()
vcpu_inv = objects.Inventory(
resource_provider=db_rp,
resource_class=fields.ResourceClass.VCPU, total=24)
vcpu_inv.obj_set_defaults()
inv_list = objects.InventoryList(objects=[disk_inv, vcpu_inv])
db_rp.set_inventory(inv_list)
usage_list = objects.UsageList.get_all_by_resource_provider_uuid(
self.context, db_rp.uuid)
self.assertEqual(2, len(usage_list))