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# Copyright (C) 2018 NTT DATA, Inc
# All Rights Reserved.
#
# 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.
from oslo_utils.fixture import uuidsentinel as uuids
import unittest
from nova.compute import instance_actions
from nova import conf
from nova.tests.functional.libvirt import integrated_helpers
from nova import utils
CONF = conf.CONF
class SharedStorageProviderUsageTestCase(
integrated_helpers.LibvirtProviderUsageBaseTestCase):
def setUp(self):
super(SharedStorageProviderUsageTestCase, self).setUp()
self.start_compute()
# TODO(efried): Bug #1784020
@unittest.expectedFailure
def test_shared_storage_rp_configuration_with_cn_rp(self):
"""Test to check whether compute node and shared storage resource
provider inventory is configured properly or not.
"""
# shared storage resource provider
shared_RP = self._post_resource_provider(
rp_name='shared_resource_provider')
# created inventory for shared storage RP
inv = {"resource_class": "DISK_GB",
"total": 78, "reserved": 0, "min_unit": 1, "max_unit": 78,
"step_size": 1, "allocation_ratio": 1.0}
self._set_inventory(shared_RP['uuid'], inv)
# Added traits to shared storage resource provider
self._set_provider_traits(shared_RP['uuid'],
['MISC_SHARES_VIA_AGGREGATE'])
# add both cn_rp and shared_rp under one aggregate
self._set_aggregate(shared_RP['uuid'], uuids.shr_disk_agg)
self._set_aggregate(self.host_uuid, uuids.shr_disk_agg)
self.assertIn("DISK_GB", self._get_provider_inventory(self.host_uuid))
# run update_available_resource periodic task after configuring shared
# resource provider to update compute node resources
self._run_periodics()
# we expect that the virt driver stops reporting DISK_GB on the compute
# RP as soon as a shared RP with DISK_GB is created in the compute tree
self.assertNotIn("DISK_GB",
self._get_provider_inventory(self.host_uuid))
# create server
self._create_server(
image_uuid='155d900f-4e14-4e4c-a73d-069cbf4541e6',
flavor_id=1,
networks='none',
)
# get shared_rp and cn_rp usages
shared_rp_usages = self._get_provider_usages(shared_RP['uuid'])
cn_rp_usages = self._get_provider_usages(self.host_uuid)
# Check if DISK_GB resource is allocated from shared_RP and the
# remaining resources are allocated from host_uuid.
self.assertEqual({'DISK_GB': 1}, shared_rp_usages)
self.assertEqual({'MEMORY_MB': 512, 'VCPU': 1},
cn_rp_usages)
def create_shared_storage_rp(self):
# shared storage resource provider
shared_RP = self._post_resource_provider(
rp_name='shared_resource_provider1')
# created inventory for shared storage RP
inv = {"resource_class": "DISK_GB",
"total": 78, "reserved": 0, "min_unit": 1, "max_unit": 78,
"step_size": 1, "allocation_ratio": 1.0}
self._set_inventory(shared_RP['uuid'], inv)
# Added traits to shared storage resource provider
self._set_provider_traits(shared_RP['uuid'],
['MISC_SHARES_VIA_AGGREGATE',
'STORAGE_DISK_SSD'])
return shared_RP['uuid']
# TODO(efried): Bug #1784020
@unittest.expectedFailure
def test_rebuild_instance_with_image_traits_on_shared_rp(self):
shared_rp_uuid = self.create_shared_storage_rp()
# add both cn_rp and shared_rp under one aggregate
self._set_aggregate(shared_rp_uuid, uuids.shr_disk_agg)
self._set_aggregate(self.host_uuid, uuids.shr_disk_agg)
self.assertIn("DISK_GB",
self._get_provider_inventory(self.host_uuid))
# run update_available_resource periodic task after configuring shared
# resource provider to update compute node resources
self._run_periodics()
# we expect that the virt driver stops reporting DISK_GB on the compute
# RP as soon as a shared RP with DISK_GB is created in the compute tree
self.assertNotIn("DISK_GB",
self._get_provider_inventory(self.host_uuid))
server = self._create_server(
image_uuid='155d900f-4e14-4e4c-a73d-069cbf4541e6',
flavor_id=1,
networks='none'
)
rebuild_image_ref = self.glance.auto_disk_config_enabled_image['id']
with utils.temporary_mutation(self.api, microversion='2.35'):
self.api.api_put('/images/%s/metadata' % rebuild_image_ref,
{'metadata': {
'trait:STORAGE_DISK_SSD': 'required'}})
rebuild_req_body = {
'rebuild': {
'imageRef': rebuild_image_ref
}
}
self.api.api_post('/servers/%s/action' % server['id'],
rebuild_req_body)
self._wait_for_server_parameter(
server, {'OS-EXT-STS:task_state': None})
# get shared_rp and cn_rp usages
shared_rp_usages = self._get_provider_usages(shared_rp_uuid)
cn_rp_usages = self._get_provider_usages(self.host_uuid)
# Check if DISK_GB resource is allocated from shared_RP and the
# remaining resources are allocated from host_uuid.
self.assertEqual({'DISK_GB': 1}, shared_rp_usages)
self.assertEqual({'MEMORY_MB': 512, 'VCPU': 1},
cn_rp_usages)
allocs = self._get_allocations_by_server_uuid(server['id'])
self.assertIn(self.host_uuid, allocs)
server = self.api.get_server(server['id'])
self.assertEqual(rebuild_image_ref, server['image']['id'])
# TODO(efried): Bug #1784020
@unittest.expectedFailure
def test_rebuild_instance_with_image_traits_on_shared_rp_no_valid_host(
self):
shared_rp_uuid = self.create_shared_storage_rp()
# add both cn_rp and shared_rp under one aggregate
self._set_aggregate(shared_rp_uuid, uuids.shr_disk_agg)
self._set_aggregate(self.host_uuid, uuids.shr_disk_agg)
self.assertIn("DISK_GB",
self._get_provider_inventory(self.host_uuid))
# run update_available_resource periodic task after configuring shared
# resource provider to update compute node resources
self._run_periodics()
# we expect that the virt driver stops reporting DISK_GB on the compute
# RP as soon as a shared RP with DISK_GB is created in the compute tree
self.assertNotIn("DISK_GB",
self._get_provider_inventory(self.host_uuid))
# create server
org_image_id = '155d900f-4e14-4e4c-a73d-069cbf4541e6'
server = self._create_server(
image_uuid=org_image_id,
flavor_id=1,
networks='none',
)
rebuild_image_ref = self.glance.auto_disk_config_enabled_image['id']
with utils.temporary_mutation(self.api, microversion='2.35'):
self.api.api_put('/images/%s/metadata' % rebuild_image_ref,
{'metadata': {
'trait:CUSTOM_FOO': 'required'}})
rebuild_req_body = {
'rebuild': {
'imageRef': rebuild_image_ref
}
}
self.api.api_post('/servers/%s/action' % server['id'],
rebuild_req_body)
# Look for the failed rebuild action.
self._wait_for_action_fail_completion(
server, instance_actions.REBUILD, 'rebuild_server')
# Assert the server image_ref was rolled back on failure.
server = self.api.get_server(server['id'])
self.assertEqual(org_image_id, server['image']['id'])
# The server should be in ERROR state
self.assertEqual('ERROR', server['status'])
self.assertIn('No valid host', server['fault']['message'])
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