def4b17934
nova/db/__init__.py was importing * from nova.db.api. This meant that any time any code anywhere within the nova.db package was imported then nova.db.api was too, leading to a cascade of imports that may not have been desired. Also, in general, code in __init__.py is a pain. Therefore, this change adjusts code that so that either: * nova.db.api is used directly * nova.db.api is imported as 'db' In either case, the functionality remains the same. The primary goal of this change was to make it possible to import the model files without having to import the db api. Moving the model files to a different place in the directory hierarchy was considered, but given that "code in __init__.py is a pain" this mode was chosen. This looks like a very large change, but it is essentially adjusting package names, many in mocks. Change-Id: Ic1fd7c87ceda05eeb96735da2a415ef37060bb1a
324 lines
9.4 KiB
Python
324 lines
9.4 KiB
Python
# Copyright 2011 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import errno
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import platform
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import socket
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import sys
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import mock
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from six.moves import range
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from nova.compute import flavors
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import nova.conf
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import nova.context
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from nova.db import api as db
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from nova import exception
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from nova.image import glance
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from nova.network import minidns
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from nova.network import model as network_model
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from nova import objects
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from nova.objects import base as obj_base
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import nova.utils
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CONF = nova.conf.CONF
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def get_test_admin_context():
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return nova.context.get_admin_context()
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def get_test_image_object(context, instance_ref):
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if not context:
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context = get_test_admin_context()
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image_ref = instance_ref['image_ref']
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image_service, image_id = glance.get_remote_image_service(context,
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image_ref)
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return objects.ImageMeta.from_dict(
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image_service.show(context, image_id))
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def get_test_flavor(context=None, options=None):
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options = options or {}
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if not context:
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context = get_test_admin_context()
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test_flavor = {'name': 'kinda.big',
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'flavorid': 'someid',
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'memory_mb': 2048,
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'vcpus': 4,
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'root_gb': 40,
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'ephemeral_gb': 80,
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'swap': 1024}
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test_flavor.update(options)
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flavor_ref = objects.Flavor(context, **test_flavor)
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try:
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flavor_ref.create()
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except (exception.FlavorExists, exception.FlavorIdExists):
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flavor_ref = objects.Flavor.get_by_flavor_id(
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context, test_flavor['flavorid'])
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return flavor_ref
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def get_test_instance(context=None, flavor=None, obj=False):
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if not context:
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context = get_test_admin_context()
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if not flavor:
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flavor = get_test_flavor(context)
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test_instance = {'memory_kb': '2048000',
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'basepath': '/some/path',
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'bridge_name': 'br100',
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'vcpus': 4,
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'root_gb': 40,
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'bridge': 'br101',
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'image_ref': 'cedef40a-ed67-4d10-800e-17455edce175',
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'instance_type_id': flavor['id'],
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'system_metadata': {},
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'extra_specs': {},
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'user_id': context.user_id,
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'project_id': context.project_id,
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}
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if obj:
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instance = objects.Instance(context, **test_instance)
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instance.flavor = objects.Flavor.get_by_id(context, flavor['id'])
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instance.create()
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else:
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flavors.save_flavor_info(test_instance['system_metadata'], flavor, '')
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instance = db.instance_create(context, test_instance)
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return instance
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FAKE_NETWORK_VLAN = 100
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FAKE_NETWORK_BRIDGE = 'br0'
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FAKE_NETWORK_INTERFACE = 'eth0'
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FAKE_NETWORK_IP4_ADDR1 = '10.0.0.73'
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FAKE_NETWORK_IP4_ADDR2 = '10.0.0.74'
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FAKE_NETWORK_IP6_ADDR1 = '2001:b105:f00d::1'
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FAKE_NETWORK_IP6_ADDR2 = '2001:b105:f00d::2'
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FAKE_NETWORK_IP6_ADDR3 = '2001:b105:f00d::3'
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FAKE_NETWORK_IP4_GATEWAY = '10.0.0.254'
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FAKE_NETWORK_IP6_GATEWAY = '2001:b105:f00d::ff'
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FAKE_NETWORK_IP4_CIDR = '10.0.0.0/24'
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FAKE_NETWORK_IP6_CIDR = '2001:b105:f00d::0/64'
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FAKE_NETWORK_DNS_IP4_ADDR1 = '192.168.122.1'
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FAKE_NETWORK_DNS_IP4_ADDR2 = '192.168.122.2'
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FAKE_NETWORK_DNS_IP6_ADDR1 = '2001:dead:beef::1'
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FAKE_NETWORK_DNS_IP6_ADDR2 = '2001:dead:beef::2'
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FAKE_NETWORK_DHCP_IP4_ADDR = '192.168.122.253'
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FAKE_NETWORK_UUID = '4587c867-a2e6-4356-8c5b-bc077dcb8620'
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FAKE_VIF_UUID = '51a9642b-1414-4bd6-9a92-1320ddc55a63'
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FAKE_VIF_MAC = 'de:ad:be:ef:ca:fe'
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def get_test_network_info(count=1):
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ipv6 = CONF.use_ipv6
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def current():
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subnet_4 = network_model.Subnet(
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cidr=FAKE_NETWORK_IP4_CIDR,
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dns=[network_model.IP(FAKE_NETWORK_DNS_IP4_ADDR1),
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network_model.IP(FAKE_NETWORK_DNS_IP4_ADDR2)],
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gateway=network_model.IP(FAKE_NETWORK_IP4_GATEWAY),
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ips=[network_model.IP(FAKE_NETWORK_IP4_ADDR1),
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network_model.IP(FAKE_NETWORK_IP4_ADDR2)],
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routes=None,
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dhcp_server=FAKE_NETWORK_DHCP_IP4_ADDR)
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subnet_6 = network_model.Subnet(
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cidr=FAKE_NETWORK_IP6_CIDR,
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gateway=network_model.IP(FAKE_NETWORK_IP6_GATEWAY),
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ips=[network_model.IP(FAKE_NETWORK_IP6_ADDR1),
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network_model.IP(FAKE_NETWORK_IP6_ADDR2),
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network_model.IP(FAKE_NETWORK_IP6_ADDR3)],
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routes=None,
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version=6)
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subnets = [subnet_4]
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if ipv6:
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subnets.append(subnet_6)
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network = network_model.Network(
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id=FAKE_NETWORK_UUID,
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bridge=FAKE_NETWORK_BRIDGE,
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label=None,
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subnets=subnets,
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vlan=FAKE_NETWORK_VLAN,
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bridge_interface=FAKE_NETWORK_INTERFACE,
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injected=False)
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if CONF.use_neutron:
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vif_type = network_model.VIF_TYPE_OVS
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else:
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vif_type = network_model.VIF_TYPE_BRIDGE
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vif = network_model.VIF(
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id=FAKE_VIF_UUID,
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address=FAKE_VIF_MAC,
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network=network,
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type=vif_type,
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devname=None,
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ovs_interfaceid=None)
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return vif
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return network_model.NetworkInfo([current() for x in range(0, count)])
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def is_osx():
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return platform.mac_ver()[0] != ''
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def is_linux():
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return platform.system() == 'Linux'
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test_dns_managers = []
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def dns_manager():
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global test_dns_managers
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manager = minidns.MiniDNS()
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test_dns_managers.append(manager)
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return manager
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def cleanup_dns_managers():
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global test_dns_managers
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for manager in test_dns_managers:
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manager.delete_dns_file()
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test_dns_managers = []
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def killer_xml_body():
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return (("""<!DOCTYPE x [
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<!ENTITY a "%(a)s">
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<!ENTITY b "%(b)s">
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<!ENTITY c "%(c)s">]>
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<foo>
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<bar>
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<v1>%(d)s</v1>
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</bar>
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</foo>""") % {
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'a': 'A' * 10,
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'b': '&a;' * 10,
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'c': '&b;' * 10,
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'd': '&c;' * 9999,
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}).strip()
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def is_ipv6_supported():
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has_ipv6_support = socket.has_ipv6
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try:
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s = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
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s.close()
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except socket.error as e:
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if e.errno == errno.EAFNOSUPPORT:
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has_ipv6_support = False
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else:
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raise
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# check if there is at least one interface with ipv6
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if has_ipv6_support and sys.platform.startswith('linux'):
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try:
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with open('/proc/net/if_inet6') as f:
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if not f.read():
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has_ipv6_support = False
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except IOError:
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has_ipv6_support = False
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return has_ipv6_support
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def get_api_version(request):
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if request.path[2:3].isdigit():
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return int(request.path[2:3])
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def compare_obj_primitive(thing1, thing2):
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if isinstance(thing1, obj_base.NovaObject):
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return thing1.obj_to_primitive() == thing2.obj_to_primitive()
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else:
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return thing1 == thing2
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def _compare_args(args1, args2, cmp):
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return all(cmp(*pair) for pair in zip(args1, args2))
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def _compare_kwargs(kwargs1, kwargs2, cmp):
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return all(cmp(kwargs1[k], kwargs2[k])
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for k in set(list(kwargs1.keys()) + list(kwargs2.keys())))
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def _obj_called_with(the_mock, *args, **kwargs):
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if 'obj_cmp' in kwargs:
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cmp = kwargs.pop('obj_cmp')
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else:
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cmp = compare_obj_primitive
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count = 0
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for call in the_mock.call_args_list:
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if (_compare_args(call[0], args, cmp) and
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_compare_kwargs(call[1], kwargs, cmp)):
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count += 1
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return count
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def obj_called_with(the_mock, *args, **kwargs):
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return _obj_called_with(the_mock, *args, **kwargs) != 0
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def obj_called_once_with(the_mock, *args, **kwargs):
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return _obj_called_with(the_mock, *args, **kwargs) == 1
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class CustomMockCallMatcher(object):
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def __init__(self, comparator):
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self.comparator = comparator
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def __eq__(self, other):
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return self.comparator(other)
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def assert_instance_delete_notification_by_uuid(
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mock_notify, expected_instance_uuid, expected_notifier,
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expected_context, expect_targeted_context=False):
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match_by_instance_uuid = CustomMockCallMatcher(
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lambda instance:
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instance.uuid == expected_instance_uuid)
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mock_notify.assert_has_calls([
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mock.call(expected_notifier,
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expected_context,
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match_by_instance_uuid,
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'delete.start'),
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mock.call(expected_notifier,
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expected_context,
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match_by_instance_uuid,
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'delete.end')])
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for call in mock_notify.call_args_list:
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if expect_targeted_context:
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assert call[0][1].db_connection is not None
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else:
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assert call[0][1].db_connection is None
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