Skip to content
Navigation Menu
{{ message }}
forked from openstack/python-openstackclient
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathshell.py
More file actions
345 lines (286 loc) · 11.8 KB
/
Copy pathshell.py
File metadata and controls
345 lines (286 loc) · 11.8 KB
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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
# Copyright 2012-2013 OpenStack Foundation
#
# 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.
#
"""Command-line interface to the OpenStack APIs"""
import getpass
import logging
import sys
import traceback
from cliff import app
from cliff import command
from cliff import help
import openstackclient
from openstackclient.common import clientmanager
from openstackclient.common import commandmanager
from openstackclient.common import exceptions as exc
from openstackclient.common import timing
from openstackclient.common import utils
DEFAULT_DOMAIN = 'default'
def prompt_for_password(prompt=None):
"""Prompt user for a password
Propmpt for a password if stdin is a tty.
"""
if not prompt:
prompt = 'Password: '
pw = None
# If stdin is a tty, try prompting for the password
if hasattr(sys.stdin, 'isatty') and sys.stdin.isatty():
# Check for Ctl-D
try:
pw = getpass.getpass(prompt)
except EOFError:
pass
# No password because we did't have a tty or nothing was entered
if not pw:
raise exc.CommandError(
"No password entered, or found via --os-password or OS_PASSWORD",
)
return pw
class OpenStackShell(app.App):
CONSOLE_MESSAGE_FORMAT = '%(levelname)s: %(name)s %(message)s'
log = logging.getLogger(__name__)
timing_data = []
def __init__(self):
# Patch command.Command to add a default auth_required = True
command.Command.auth_required = True
# Some commands do not need authentication
help.HelpCommand.auth_required = False
super(OpenStackShell, self).__init__(
description=__doc__.strip(),
version=openstackclient.__version__,
command_manager=commandmanager.CommandManager('openstack.cli'))
self.api_version = {}
# Until we have command line arguments parsed, dump any stack traces
self.dump_stack_trace = True
# This is instantiated in initialize_app() only when using
# password flow auth
self.auth_client = None
# Assume TLS host certificate verification is enabled
self.verify = True
self.client_manager = None
# NOTE(dtroyer): This hack changes the help action that Cliff
# automatically adds to the parser so we can defer
# its execution until after the api-versioned commands
# have been loaded. There doesn't seem to be a
# way to edit/remove anything from an existing parser.
# Replace the cliff-added help.HelpAction to defer its execution
self.DeferredHelpAction = None
for a in self.parser._actions:
if type(a) == help.HelpAction:
# Found it, save and replace it
self.DeferredHelpAction = a
# These steps are argparse-implementation-dependent
self.parser._actions.remove(a)
if self.parser._option_string_actions['-h']:
del self.parser._option_string_actions['-h']
if self.parser._option_string_actions['--help']:
del self.parser._option_string_actions['--help']
# Make a new help option to just set a flag
self.parser.add_argument(
'-h', '--help',
action='store_true',
dest='deferred_help',
default=False,
help="Show this help message and exit",
)
def configure_logging(self):
"""Configure logging for the app
Cliff sets some defaults we don't want so re-work it a bit
"""
if self.options.debug:
# --debug forces verbose_level 3
# Set this here so cliff.app.configure_logging() can work
self.options.verbose_level = 3
super(OpenStackShell, self).configure_logging()
root_logger = logging.getLogger('')
# Set logging to the requested level
if self.options.verbose_level == 0:
# --quiet
root_logger.setLevel(logging.ERROR)
elif self.options.verbose_level == 1:
# This is the default case, no --debug, --verbose or --quiet
root_logger.setLevel(logging.WARNING)
elif self.options.verbose_level == 2:
# One --verbose
root_logger.setLevel(logging.INFO)
elif self.options.verbose_level >= 3:
# Two or more --verbose
root_logger.setLevel(logging.DEBUG)
# Requests logs some stuff at INFO that we don't want
# unless we have DEBUG
requests_log = logging.getLogger("requests")
# Other modules we don't want DEBUG output for
cliff_log = logging.getLogger('cliff')
stevedore_log = logging.getLogger('stevedore')
iso8601_log = logging.getLogger("iso8601")
if self.options.debug:
# --debug forces traceback
self.dump_stack_trace = True
requests_log.setLevel(logging.DEBUG)
cliff_log.setLevel(logging.DEBUG)
else:
self.dump_stack_trace = False
requests_log.setLevel(logging.ERROR)
cliff_log.setLevel(logging.ERROR)
stevedore_log.setLevel(logging.ERROR)
iso8601_log.setLevel(logging.ERROR)
def run(self, argv):
try:
return super(OpenStackShell, self).run(argv)
except Exception as e:
if not logging.getLogger('').handlers:
logging.basicConfig()
if self.dump_stack_trace:
self.log.error(traceback.format_exc(e))
else:
self.log.error('Exception raised: ' + str(e))
return 1
def build_option_parser(self, description, version):
parser = super(OpenStackShell, self).build_option_parser(
description,
version)
# Global arguments
parser.add_argument(
'--os-region-name',
metavar='<auth-region-name>',
default=utils.env('OS_REGION_NAME'),
help='Authentication region name (Env: OS_REGION_NAME)')
parser.add_argument(
'--os-cacert',
metavar='<ca-bundle-file>',
default=utils.env('OS_CACERT'),
help='CA certificate bundle file (Env: OS_CACERT)')
verify_group = parser.add_mutually_exclusive_group()
verify_group.add_argument(
'--verify',
action='store_true',
help='Verify server certificate (default)',
)
verify_group.add_argument(
'--insecure',
action='store_true',
help='Disable server certificate verification',
)
parser.add_argument(
'--os-default-domain',
metavar='<auth-domain>',
default=utils.env(
'OS_DEFAULT_DOMAIN',
default=DEFAULT_DOMAIN),
help='Default domain ID, default=' +
DEFAULT_DOMAIN +
' (Env: OS_DEFAULT_DOMAIN)')
parser.add_argument(
'--timing',
default=False,
action='store_true',
help="Print API call timing info",
)
return clientmanager.build_plugin_option_parser(parser)
def initialize_app(self, argv):
"""Global app init bits:
* set up API versions
* validate authentication info
* authenticate against Identity if requested
"""
super(OpenStackShell, self).initialize_app(argv)
# Save default domain
self.default_domain = self.options.os_default_domain
# Loop through extensions to get API versions
for mod in clientmanager.PLUGIN_MODULES:
version_opt = getattr(self.options, mod.API_VERSION_OPTION, None)
if version_opt:
api = mod.API_NAME
self.api_version[api] = version_opt
# Command groups deal only with major versions
version = '.v' + version_opt.replace('.', '_').split('_')[0]
cmd_group = 'openstack.' + api.replace('-', '_') + version
self.command_manager.add_command_group(cmd_group)
self.log.debug(
'%(name)s API version %(version)s, cmd group %(group)s',
{'name': api, 'version': version_opt, 'group': cmd_group}
)
# Commands that span multiple APIs
self.command_manager.add_command_group(
'openstack.common')
# This is the naive extension implementation referred to in
# blueprint 'client-extensions'
# Extension modules can register their commands in an
# 'openstack.extension' entry point group:
# entry_points={
# 'openstack.extension': [
# 'list_repo=qaz.github.repo:ListRepo',
# 'show_repo=qaz.github.repo:ShowRepo',
# ],
# }
self.command_manager.add_command_group(
'openstack.extension')
# call InitializeXxx() here
# set up additional clients to stuff in to client_manager??
# Handle deferred help and exit
if self.options.deferred_help:
self.DeferredHelpAction(self.parser, self.parser, None, None)
# Set up common client session
if self.options.os_cacert:
self.verify = self.options.os_cacert
else:
self.verify = not self.options.insecure
self.client_manager = clientmanager.ClientManager(
cli_options=self.options,
verify=self.verify,
api_version=self.api_version,
pw_func=prompt_for_password,
)
def prepare_to_run_command(self, cmd):
"""Set up auth and API versions"""
self.log.info(
'command: %s -> %s.%s',
getattr(cmd, 'cmd_name', '<none>'),
cmd.__class__.__module__,
cmd.__class__.__name__,
)
if cmd.auth_required:
try:
# Trigger the Identity client to initialize
self.client_manager.auth_ref
except Exception:
pass
return
def clean_up(self, cmd, result, err):
self.log.debug('clean_up %s', cmd.__class__.__name__)
if err:
self.log.debug('got an error: %s', err)
# Process collected timing data
if self.options.timing:
# Loop through extensions
for mod in self.ext_modules:
client = getattr(self.client_manager, mod.API_NAME)
if hasattr(client, 'get_timings'):
self.timing_data.extend(client.get_timings())
# Use the Timing pseudo-command to generate the output
tcmd = timing.Timing(self, self.options)
tparser = tcmd.get_parser('Timing')
# If anything other than prettytable is specified, force csv
format = 'table'
# Check the formatter used in the actual command
if hasattr(cmd, 'formatter') \
and cmd.formatter != cmd._formatter_plugins['table'].obj:
format = 'csv'
sys.stdout.write('\n')
targs = tparser.parse_args(['-f', format])
tcmd.run(targs)
def main(argv=sys.argv[1:]):
return OpenStackShell().run(argv)
if __name__ == "__main__":
sys.exit(main(sys.argv[1:]))
You can’t perform that action at this time.