312 lines
10 KiB
Python
312 lines
10 KiB
Python
# Copyright (C) 2011-2013 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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#
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import threading
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import time
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import uuid
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import shade
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from nodepool import exceptions
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from nodepool.driver.openstack.provider import OpenStackProvider
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from nodepool.driver.fake.handler import FakeNodeRequestHandler
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class Dummy(object):
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IMAGE = 'Image'
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INSTANCE = 'Instance'
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FLAVOR = 'Flavor'
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LOCATION = 'Server.Location'
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def __init__(self, kind, **kw):
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self.__kind = kind
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self.__kw = kw
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for k, v in kw.items():
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setattr(self, k, v)
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try:
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if self.should_fail:
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raise shade.OpenStackCloudException('This image has '
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'SHOULD_FAIL set to True.')
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if self.over_quota:
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raise shade.exc.OpenStackCloudHTTPError(
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'Quota exceeded for something', 403)
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except AttributeError:
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pass
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def __repr__(self):
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args = []
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for k in self.__kw.keys():
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args.append('%s=%s' % (k, getattr(self, k)))
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args = ' '.join(args)
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return '<%s %s %s>' % (self.__kind, id(self), args)
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def __getitem__(self, key, default=None):
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return getattr(self, key, default)
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def __setitem__(self, key, value):
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setattr(self, key, value)
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def get(self, key, default=None):
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return getattr(self, key, default)
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def set(self, key, value):
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setattr(self, key, value)
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class FakeOpenStackCloud(object):
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log = logging.getLogger("nodepool.FakeOpenStackCloud")
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@staticmethod
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def _get_quota():
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return 100, 20, 1000000
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def __init__(self, images=None, networks=None):
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self.pause_creates = False
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self._image_list = images
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if self._image_list is None:
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self._image_list = [
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Dummy(
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Dummy.IMAGE,
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id='fake-image-id',
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status='READY',
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name='Fake Precise',
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metadata={})
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]
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if networks is None:
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networks = [dict(id='fake-public-network-uuid',
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name='fake-public-network-name'),
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dict(id='fake-private-network-uuid',
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name='fake-private-network-name'),
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dict(id='fake-ipv6-network-uuid',
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name='fake-ipv6-network-name')]
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self.networks = networks
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self._flavor_list = [
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Dummy(Dummy.FLAVOR, id='f1', ram=8192, name='Fake Flavor',
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vcpus=4),
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Dummy(Dummy.FLAVOR, id='f2', ram=8192, name='Unreal Flavor',
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vcpus=4),
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]
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self._server_list = []
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self.max_cores, self.max_instances, self.max_ram = FakeOpenStackCloud.\
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_get_quota()
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def _get(self, name_or_id, instance_list):
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self.log.debug("Get %s in %s" % (name_or_id, repr(instance_list)))
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for instance in instance_list:
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if instance.name == name_or_id or instance.id == name_or_id:
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return instance
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return None
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def get_network(self, name_or_id, filters=None):
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for net in self.networks:
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if net['id'] == name_or_id or net['name'] == name_or_id:
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return net
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return self.networks[0]
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def _create(self, instance_list, instance_type=Dummy.INSTANCE,
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done_status='ACTIVE', max_quota=-1, **kw):
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should_fail = kw.get('SHOULD_FAIL', '').lower() == 'true'
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nics = kw.get('nics', [])
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security_groups = kw.get('security_groups', [])
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addresses = None
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# if keyword 'ipv6-uuid' is found in provider config,
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# ipv6 address will be available in public addr dict.
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for nic in nics:
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if nic['net-id'] != 'fake-ipv6-network-uuid':
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continue
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addresses = dict(
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public=[dict(version=4, addr='fake'),
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dict(version=6, addr='fake_v6')],
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private=[dict(version=4, addr='fake')]
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)
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public_v6 = 'fake_v6'
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public_v4 = 'fake'
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private_v4 = 'fake'
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interface_ip = 'fake_v6'
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break
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if not addresses:
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addresses = dict(
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public=[dict(version=4, addr='fake')],
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private=[dict(version=4, addr='fake')]
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)
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public_v6 = ''
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public_v4 = 'fake'
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private_v4 = 'fake'
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interface_ip = 'fake'
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over_quota = False
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if (instance_type == Dummy.INSTANCE and
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self.max_instances > -1 and
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len(instance_list) >= self.max_instances):
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over_quota = True
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s = Dummy(instance_type,
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id=uuid.uuid4().hex,
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name=kw['name'],
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status='BUILD',
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adminPass='fake',
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addresses=addresses,
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public_v4=public_v4,
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public_v6=public_v6,
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private_v4=private_v4,
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interface_ip=interface_ip,
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security_groups=security_groups,
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location=Dummy(Dummy.LOCATION, zone=kw.get('az')),
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metadata=kw.get('meta', {}),
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manager=self,
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key_name=kw.get('key_name', None),
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should_fail=should_fail,
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over_quota=over_quota,
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event=threading.Event())
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instance_list.append(s)
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t = threading.Thread(target=self._finish,
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name='FakeProvider create',
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args=(s, 0.1, done_status))
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t.start()
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return s
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def _delete(self, name_or_id, instance_list):
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self.log.debug("Delete from %s" % (repr(instance_list),))
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instance = None
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for maybe in instance_list:
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if maybe.name == name_or_id or maybe.id == name_or_id:
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instance = maybe
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if instance:
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instance_list.remove(instance)
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self.log.debug("Deleted from %s" % (repr(instance_list),))
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def _finish(self, obj, delay, status):
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self.log.debug("Pause creates %s", self.pause_creates)
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if self.pause_creates:
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self.log.debug("Pausing")
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obj.event.wait()
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self.log.debug("Continuing")
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else:
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time.sleep(delay)
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obj.status = status
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def create_image(self, **kwargs):
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return self._create(
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self._image_list, instance_type=Dummy.IMAGE,
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done_status='READY', **kwargs)
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def get_image(self, name_or_id):
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return self._get(name_or_id, self._image_list)
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def list_images(self):
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return self._image_list
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def delete_image(self, name_or_id):
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if not name_or_id:
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raise Exception('name_or_id is Empty')
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self._delete(name_or_id, self._image_list)
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def create_image_snapshot(self, name, server, **metadata):
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# XXX : validate metadata?
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return self._create(
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self._image_list, instance_type=Dummy.IMAGE,
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name=name, **metadata)
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def list_flavors(self, get_extra=False):
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return self._flavor_list
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def get_openstack_vars(self, server):
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server.public_v4 = 'fake'
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server.public_v6 = 'fake'
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server.private_v4 = 'fake'
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server.interface_ip = 'fake'
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return server
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def create_server(self, **kw):
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return self._create(self._server_list, **kw)
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def get_server(self, name_or_id):
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result = self._get(name_or_id, self._server_list)
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return result
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def _clean_floating_ip(self, server):
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server.public_v4 = ''
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server.public_v6 = ''
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server.interface_ip = server.private_v4
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return server
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def wait_for_server(self, server, **kwargs):
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while server.status == 'BUILD':
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time.sleep(0.1)
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auto_ip = kwargs.get('auto_ip')
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if not auto_ip:
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server = self._clean_floating_ip(server)
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return server
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def list_servers(self):
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return self._server_list
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def delete_server(self, name_or_id, delete_ips=True):
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self._delete(name_or_id, self._server_list)
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def list_availability_zone_names(self):
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return ['fake-az1', 'fake-az2']
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def get_compute_limits(self):
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return Dummy(
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'limits',
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max_total_cores=self.max_cores,
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max_total_instances=self.max_instances,
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max_total_ram_size=self.max_ram,
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total_cores_used=4 * len(self._server_list),
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total_instances_used=len(self._server_list),
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total_ram_used=8192 * len(self._server_list)
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)
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class FakeUploadFailCloud(FakeOpenStackCloud):
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log = logging.getLogger("nodepool.FakeUploadFailCloud")
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def __init__(self, times_to_fail=None):
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super(FakeUploadFailCloud, self).__init__()
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self.times_to_fail = times_to_fail
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self.times_failed = 0
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def create_image(self, **kwargs):
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if self.times_to_fail is None:
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raise exceptions.BuilderError("Test fail image upload.")
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self.times_failed += 1
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if self.times_failed <= self.times_to_fail:
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raise exceptions.BuilderError("Test fail image upload.")
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else:
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return super(FakeUploadFailCloud, self).create_image(**kwargs)
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class FakeProvider(OpenStackProvider):
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fake_cloud = FakeOpenStackCloud
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def __init__(self, provider, use_taskmanager):
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self.createServer_fails = 0
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self.__client = FakeProvider.fake_cloud()
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super(FakeProvider, self).__init__(provider, use_taskmanager)
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def _getClient(self):
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return self.__client
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def createServer(self, *args, **kwargs):
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while self.createServer_fails:
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self.createServer_fails -= 1
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raise Exception("Expected createServer exception")
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return super(FakeProvider, self).createServer(*args, **kwargs)
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def getRequestHandler(self, poolworker, request):
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return FakeNodeRequestHandler(poolworker, request)
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