/
flavors.py
135 lines (118 loc) · 5.33 KB
/
flavors.py
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
# Copyright 2010 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.
from oslo_utils import strutils
import webob
from nova.api.openstack import api_version_request
from nova.api.openstack import common
from nova.api.openstack.compute.schemas import flavors as schema
from nova.api.openstack.compute.views import flavors as flavors_view
from nova.api.openstack import wsgi
from nova.api import validation
from nova.compute import flavors
from nova import exception
from nova.i18n import _
from nova import objects
from nova.policies import flavor_extra_specs as fes_policies
from nova import utils
class FlavorsController(wsgi.Controller):
"""Flavor controller for the OpenStack API."""
_view_builder_class = flavors_view.ViewBuilder
@validation.query_schema(schema.index_query_275, '2.75')
@validation.query_schema(schema.index_query, '2.0', '2.74')
@wsgi.expected_errors(400)
def index(self, req):
"""Return all flavors in brief."""
limited_flavors = self._get_flavors(req)
return self._view_builder.index(req, limited_flavors)
@validation.query_schema(schema.index_query_275, '2.75')
@validation.query_schema(schema.index_query, '2.0', '2.74')
@wsgi.expected_errors(400)
def detail(self, req):
"""Return all flavors in detail."""
context = req.environ['nova.context']
limited_flavors = self._get_flavors(req)
include_extra_specs = False
if api_version_request.is_supported(
req, flavors_view.FLAVOR_EXTRA_SPECS_MICROVERSION):
include_extra_specs = context.can(
fes_policies.POLICY_ROOT % 'index', fatal=False)
return self._view_builder.detail(
req, limited_flavors, include_extra_specs=include_extra_specs)
@wsgi.expected_errors(404)
def show(self, req, id):
"""Return data about the given flavor id."""
context = req.environ['nova.context']
try:
flavor = flavors.get_flavor_by_flavor_id(id, ctxt=context)
except exception.FlavorNotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.format_message())
include_extra_specs = False
if api_version_request.is_supported(
req, flavors_view.FLAVOR_EXTRA_SPECS_MICROVERSION):
include_extra_specs = context.can(
fes_policies.POLICY_ROOT % 'index', fatal=False)
include_description = api_version_request.is_supported(
req, flavors_view.FLAVOR_DESCRIPTION_MICROVERSION)
return self._view_builder.show(
req, flavor, include_description=include_description,
include_extra_specs=include_extra_specs)
def _parse_is_public(self, is_public):
"""Parse is_public into something usable."""
if is_public is None:
# preserve default value of showing only public flavors
return True
elif utils.is_none_string(is_public):
return None
else:
try:
return strutils.bool_from_string(is_public, strict=True)
except ValueError:
msg = _('Invalid is_public filter [%s]') % is_public
raise webob.exc.HTTPBadRequest(explanation=msg)
def _get_flavors(self, req):
"""Helper function that returns a list of flavor dicts."""
filters = {}
sort_key = req.params.get('sort_key') or 'flavorid'
sort_dir = req.params.get('sort_dir') or 'asc'
limit, marker = common.get_limit_and_marker(req)
context = req.environ['nova.context']
if context.is_admin:
# Only admin has query access to all flavor types
filters['is_public'] = self._parse_is_public(
req.params.get('is_public', None))
else:
filters['is_public'] = True
filters['disabled'] = False
if 'minRam' in req.params:
try:
filters['min_memory_mb'] = int(req.params['minRam'])
except ValueError:
msg = _('Invalid minRam filter [%s]') % req.params['minRam']
raise webob.exc.HTTPBadRequest(explanation=msg)
if 'minDisk' in req.params:
try:
filters['min_root_gb'] = int(req.params['minDisk'])
except ValueError:
msg = (_('Invalid minDisk filter [%s]') %
req.params['minDisk'])
raise webob.exc.HTTPBadRequest(explanation=msg)
try:
limited_flavors = objects.FlavorList.get_all(context,
filters=filters, sort_key=sort_key, sort_dir=sort_dir,
limit=limit, marker=marker)
except exception.MarkerNotFound:
msg = _('marker [%s] not found') % marker
raise webob.exc.HTTPBadRequest(explanation=msg)
return limited_flavors