141 lines
4.9 KiB
Python
141 lines
4.9 KiB
Python
# Copyright 2011 OpenStack LLC.
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# All Rights Reserved.
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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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"""
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Fakes For Scheduler tests.
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"""
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import mox
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from nova.compute import instance_types
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from nova.compute import vm_states
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from nova import db
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from nova.scheduler import filter_scheduler
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from nova.scheduler import host_manager
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COMPUTE_NODES = [
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dict(id=1, local_gb=1024, memory_mb=1024, vcpus=1,
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disk_available_least=512, free_ram_mb=512, vcpus_used=1,
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free_disk_mb=512, local_gb_used=0,
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service=dict(host='host1', disabled=False)),
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dict(id=2, local_gb=2048, memory_mb=2048, vcpus=2,
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disk_available_least=1024, free_ram_mb=1024, vcpus_used=2,
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free_disk_mb=1024, local_gb_used=0,
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service=dict(host='host2', disabled=True)),
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dict(id=3, local_gb=4096, memory_mb=4096, vcpus=4,
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disk_available_least=3072, free_ram_mb=3072, vcpus_used=1,
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free_disk_mb=3072, local_gb_used=0,
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service=dict(host='host3', disabled=False)),
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dict(id=4, local_gb=8192, memory_mb=8192, vcpus=8,
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disk_available_least=8192, free_ram_mb=8192, vcpus_used=0,
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free_disk_mb=8192, local_gb_used=0,
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service=dict(host='host4', disabled=False)),
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# Broken entry
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dict(id=5, local_gb=1024, memory_mb=1024, vcpus=1, service=None),
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]
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INSTANCES = [
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dict(root_gb=512, ephemeral_gb=0, memory_mb=512, vcpus=1,
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host='host1'),
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dict(root_gb=512, ephemeral_gb=0, memory_mb=512, vcpus=1,
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host='host2'),
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dict(root_gb=512, ephemeral_gb=0, memory_mb=512, vcpus=1,
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host='host2'),
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dict(root_gb=1024, ephemeral_gb=0, memory_mb=1024, vcpus=1,
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host='host3'),
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# Broken host
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dict(root_gb=1024, ephemeral_gb=0, memory_mb=1024, vcpus=1,
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host=None),
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# No matching host
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dict(root_gb=1024, ephemeral_gb=0, memory_mb=1024, vcpus=1,
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host='host5'),
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]
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class FakeFilterScheduler(filter_scheduler.FilterScheduler):
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def __init__(self, *args, **kwargs):
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super(FakeFilterScheduler, self).__init__(*args, **kwargs)
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self.host_manager = host_manager.HostManager()
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class FakeHostManager(host_manager.HostManager):
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"""host1: free_ram_mb=1024-512-512=0, free_disk_gb=1024-512-512=0
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host2: free_ram_mb=2048-512=1536 free_disk_gb=2048-512=1536
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host3: free_ram_mb=4096-1024=3072 free_disk_gb=4096-1024=3072
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host4: free_ram_mb=8192 free_disk_gb=8192"""
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def __init__(self):
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super(FakeHostManager, self).__init__()
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self.service_states = {
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'host1': {
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'compute': {'host_memory_free': 1073741824},
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},
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'host2': {
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'compute': {'host_memory_free': 2147483648},
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},
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'host3': {
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'compute': {'host_memory_free': 3221225472},
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},
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'host4': {
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'compute': {'host_memory_free': 999999999},
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},
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}
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class FakeHostState(host_manager.HostState):
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def __init__(self, host, topic, attribute_dict):
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super(FakeHostState, self).__init__(host, topic)
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for (key, val) in attribute_dict.iteritems():
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setattr(self, key, val)
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class FakeInstance(object):
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def __init__(self, context=None, params=None, type_name='m1.tiny'):
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"""Create a test instance. Returns uuid"""
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self.context = context
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i = self._create_fake_instance(params, type_name=type_name)
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self.uuid = i['uuid']
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def _create_fake_instance(self, params=None, type_name='m1.tiny'):
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"""Create a test instance"""
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if not params:
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params = {}
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inst = {}
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inst['vm_state'] = vm_states.ACTIVE
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inst['image_ref'] = 1
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inst['reservation_id'] = 'r-fakeres'
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inst['launch_time'] = '10'
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inst['user_id'] = 'fake'
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inst['project_id'] = 'fake'
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type_id = instance_types.get_instance_type_by_name(type_name)['id']
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inst['instance_type_id'] = type_id
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inst['ami_launch_index'] = 0
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inst.update(params)
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return db.instance_create(self.context, inst)
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class FakeComputeAPI(object):
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def create_db_entry_for_new_instance(self, *args, **kwargs):
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pass
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def mox_host_manager_db_calls(mock, context):
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mock.StubOutWithMock(db, 'compute_node_get_all')
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db.compute_node_get_all(mox.IgnoreArg()).AndReturn(COMPUTE_NODES)
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