1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
# Copyright 2011 OpenStack Foundation
# 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.
"""
Fakes For Scheduler tests.
"""
import mox
from nova.compute import vm_states
from nova import db
from nova.scheduler import filter_scheduler
from nova.scheduler import host_manager
COMPUTE_NODES = [
dict(id=1, local_gb=1024, memory_mb=1024, vcpus=1,
disk_available_least=512, free_ram_mb=512, vcpus_used=1,
free_disk_mb=512, local_gb_used=0, updated_at=None,
service=dict(host='host1', disabled=False),
hypervisor_hostname='node1'),
dict(id=2, local_gb=2048, memory_mb=2048, vcpus=2,
disk_available_least=1024, free_ram_mb=1024, vcpus_used=2,
free_disk_mb=1024, local_gb_used=0, updated_at=None,
service=dict(host='host2', disabled=True),
hypervisor_hostname='node2'),
dict(id=3, local_gb=4096, memory_mb=4096, vcpus=4,
disk_available_least=3072, free_ram_mb=3072, vcpus_used=1,
free_disk_mb=3072, local_gb_used=0, updated_at=None,
service=dict(host='host3', disabled=False),
hypervisor_hostname='node3'),
dict(id=4, local_gb=8192, memory_mb=8192, vcpus=8,
disk_available_least=8192, free_ram_mb=8192, vcpus_used=0,
free_disk_mb=8192, local_gb_used=0, updated_at=None,
service=dict(host='host4', disabled=False),
hypervisor_hostname='node4'),
# Broken entry
dict(id=5, local_gb=1024, memory_mb=1024, vcpus=1, service=None),
]
INSTANCES = [
dict(root_gb=512, ephemeral_gb=0, memory_mb=512, vcpus=1,
host='host1', node='node1'),
dict(root_gb=512, ephemeral_gb=0, memory_mb=512, vcpus=1,
host='host2', node='node2'),
dict(root_gb=512, ephemeral_gb=0, memory_mb=512, vcpus=1,
host='host2', node='node2'),
dict(root_gb=1024, ephemeral_gb=0, memory_mb=1024, vcpus=1,
host='host3', node='node3'),
# Broken host
dict(root_gb=1024, ephemeral_gb=0, memory_mb=1024, vcpus=1,
host=None),
# No matching host
dict(root_gb=1024, ephemeral_gb=0, memory_mb=1024, vcpus=1,
host='host5', node='node5'),
]
class FakeFilterScheduler(filter_scheduler.FilterScheduler):
def __init__(self, *args, **kwargs):
super(FakeFilterScheduler, self).__init__(*args, **kwargs)
self.host_manager = host_manager.HostManager()
class FakeHostManager(host_manager.HostManager):
"""host1: free_ram_mb=1024-512-512=0, free_disk_gb=1024-512-512=0
host2: free_ram_mb=2048-512=1536 free_disk_gb=2048-512=1536
host3: free_ram_mb=4096-1024=3072 free_disk_gb=4096-1024=3072
host4: free_ram_mb=8192 free_disk_gb=8192
"""
def __init__(self):
super(FakeHostManager, self).__init__()
self.service_states = {
'host1': {
'compute': {'host_memory_free': 1073741824},
},
'host2': {
'compute': {'host_memory_free': 2147483648},
},
'host3': {
'compute': {'host_memory_free': 3221225472},
},
'host4': {
'compute': {'host_memory_free': 999999999},
},
}
class FakeHostState(host_manager.HostState):
def __init__(self, host, node, attribute_dict):
super(FakeHostState, self).__init__(host, node)
for (key, val) in attribute_dict.iteritems():
setattr(self, key, val)
class FakeInstance(object):
def __init__(self, context=None, params=None):
"""Create a test instance. Returns uuid."""
self.context = context
i = self._create_fake_instance(params=params)
self.uuid = i['uuid']
def _create_fake_instance(self, params=None):
"""Create a test instance."""
if not params:
params = {}
inst = {}
inst['vm_state'] = vm_states.ACTIVE
inst['image_ref'] = 1
inst['reservation_id'] = 'r-fakeres'
inst['user_id'] = 'fake'
inst['project_id'] = 'fake'
inst['instance_type_id'] = 2
inst['ami_launch_index'] = 0
inst.update(params)
return db.instance_create(self.context, inst)
class FakeComputeAPI(object):
def create_db_entry_for_new_instance(self, *args, **kwargs):
pass
def mox_host_manager_db_calls(mock, context):
mock.StubOutWithMock(db, 'compute_node_get_all')
db.compute_node_get_all(mox.IgnoreArg()).AndReturn(COMPUTE_NODES)
|
