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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
# 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.
#
"""Availability Zone action implementations"""
import copy
import logging
from novaclient import exceptions as nova_exceptions
from osc_lib.command import command
from osc_lib import utils
from openstackclient.i18n import _
LOG = logging.getLogger(__name__)
def _xform_common_availability_zone(az, zone_info):
if hasattr(az, 'zoneState'):
zone_info['zone_status'] = (
'available' if az.zoneState['available'] else 'not available'
)
if hasattr(az, 'zoneName'):
zone_info['zone_name'] = az.zoneName
zone_info['zone_resource'] = ''
def _xform_compute_availability_zone(az, include_extra):
result = []
zone_info = {}
_xform_common_availability_zone(az, zone_info)
if not include_extra:
result.append(zone_info)
return result
if hasattr(az, 'hosts') and az.hosts:
for host, services in az.hosts.items():
host_info = copy.deepcopy(zone_info)
host_info['host_name'] = host
for svc, state in services.items():
info = copy.deepcopy(host_info)
info['service_name'] = svc
info['service_status'] = '%s %s %s' % (
'enabled' if state['active'] else 'disabled',
':-)' if state['available'] else 'XXX',
state['updated_at'],
)
result.append(info)
else:
zone_info['host_name'] = ''
zone_info['service_name'] = ''
zone_info['service_status'] = ''
result.append(zone_info)
return result
def _xform_volume_availability_zone(az):
result = []
zone_info = {}
_xform_common_availability_zone(az, zone_info)
result.append(zone_info)
return result
def _xform_network_availability_zone(az):
result = []
zone_info = {}
zone_info['zone_name'] = getattr(az, 'name', '')
zone_info['zone_status'] = getattr(az, 'state', '')
if 'unavailable' == zone_info['zone_status']:
zone_info['zone_status'] = 'not available'
zone_info['zone_resource'] = getattr(az, 'resource', '')
result.append(zone_info)
return result
class ListAvailabilityZone(command.Lister):
_description = _("List availability zones and their status")
def get_parser(self, prog_name):
parser = super(ListAvailabilityZone, self).get_parser(prog_name)
parser.add_argument(
'--compute',
action='store_true',
default=False,
help=_('List compute availability zones'),
)
parser.add_argument(
'--network',
action='store_true',
default=False,
help=_('List network availability zones'),
)
parser.add_argument(
'--volume',
action='store_true',
default=False,
help=_('List volume availability zones'),
)
parser.add_argument(
'--long',
action='store_true',
default=False,
help=_('List additional fields in output'),
)
return parser
def _get_compute_availability_zones(self, parsed_args):
compute_client = self.app.client_manager.compute
try:
data = compute_client.availability_zones.list()
except nova_exceptions.Forbidden: # policy doesn't allow
try:
data = compute_client.availability_zones.list(detailed=False)
except Exception:
raise
# Argh, the availability zones are not iterable...
result = []
for zone in data:
result += _xform_compute_availability_zone(zone, parsed_args.long)
return result
def _get_volume_availability_zones(self, parsed_args):
volume_client = self.app.client_manager.volume
data = []
try:
data = volume_client.availability_zones.list()
except Exception as e:
LOG.debug('Volume availability zone exception: %s', e)
if parsed_args.volume:
message = _(
"Availability zones list not supported by "
"Block Storage API"
)
LOG.warning(message)
result = []
for zone in data:
result += _xform_volume_availability_zone(zone)
return result
def _get_network_availability_zones(self, parsed_args):
network_client = self.app.client_manager.network
try:
# Verify that the extension exists.
network_client.find_extension(
'Availability Zone', ignore_missing=False
)
except Exception as e:
LOG.debug('Network availability zone exception: ', e)
if parsed_args.network:
message = _(
"Availability zones list not supported by " "Network API"
)
LOG.warning(message)
return []
result = []
for zone in network_client.availability_zones():
result += _xform_network_availability_zone(zone)
return result
def take_action(self, parsed_args):
if parsed_args.long:
columns = (
'Zone Name',
'Zone Status',
'Zone Resource',
'Host Name',
'Service Name',
'Service Status',
)
else:
columns = ('Zone Name', 'Zone Status')
# Show everything by default.
show_all = (
not parsed_args.compute
and not parsed_args.volume
and not parsed_args.network
)
result = []
if parsed_args.compute or show_all:
result += self._get_compute_availability_zones(parsed_args)
if parsed_args.volume or show_all:
result += self._get_volume_availability_zones(parsed_args)
if parsed_args.network or show_all:
result += self._get_network_availability_zones(parsed_args)
return (
columns,
(utils.get_dict_properties(s, columns) for s in result),
)
|
