This file is indexed.

/usr/lib/python2.7/dist-packages/ceilometerclient/client.py is in python-ceilometerclient 2.4.0-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
#    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.

import contextlib
import time

from keystoneclient import adapter
from keystoneclient.auth.identity import v2 as v2_auth
from keystoneclient.auth.identity import v3 as v3_auth
from keystoneclient import discover
from keystoneclient import exceptions as ks_exc
from keystoneclient import session
from oslo_utils import strutils
import six.moves.urllib.parse as urlparse

from ceilometerclient.common import utils
from ceilometerclient import exc
from ceilometerclient.openstack.common.apiclient import auth
from ceilometerclient.openstack.common.apiclient import client
from ceilometerclient.openstack.common.apiclient import exceptions


def _discover_auth_versions(session, auth_url):
    # discover the API versions the server is supporting based on the
    # given URL
    v2_auth_url = None
    v3_auth_url = None
    try:
        ks_discover = discover.Discover(session=session, auth_url=auth_url)
        v2_auth_url = ks_discover.url_for('2.0')
        v3_auth_url = ks_discover.url_for('3.0')
    except ks_exc.DiscoveryFailure:
        raise
    except exceptions.ClientException:
        # Identity service may not support discovery. In that case,
        # try to determine version from auth_url
        url_parts = urlparse.urlparse(auth_url)
        (scheme, netloc, path, params, query, fragment) = url_parts
        path = path.lower()
        if path.startswith('/v3'):
            v3_auth_url = auth_url
        elif path.startswith('/v2'):
            v2_auth_url = auth_url
        else:
            raise exc.CommandError('Unable to determine the Keystone '
                                   'version to authenticate with '
                                   'using the given auth_url.')
    return v2_auth_url, v3_auth_url


def _get_keystone_session(**kwargs):
    # TODO(fabgia): the heavy lifting here should be really done by Keystone.
    # Unfortunately Keystone does not support a richer method to perform
    # discovery and return a single viable URL. A bug against Keystone has
    # been filed: https://bugs.launchpad.net/python-keystoneclient/+bug/1330677

    # first create a Keystone session
    cacert = kwargs.pop('cacert', None)
    cert = kwargs.pop('cert', None)
    key = kwargs.pop('key', None)
    insecure = kwargs.pop('insecure', False)
    auth_url = kwargs.pop('auth_url', None)
    project_id = kwargs.pop('project_id', None)
    project_name = kwargs.pop('project_name', None)
    token = kwargs['token']
    timeout = kwargs.get('timeout')

    if insecure:
        verify = False
    else:
        verify = cacert or True

    if cert and key:
        # passing cert and key together is deprecated in favour of the
        # requests lib form of having the cert and key as a tuple
        cert = (cert, key)

    # create the keystone client session
    ks_session = session.Session(verify=verify, cert=cert, timeout=timeout)
    v2_auth_url, v3_auth_url = _discover_auth_versions(ks_session, auth_url)

    username = kwargs.pop('username', None)
    user_id = kwargs.pop('user_id', None)
    user_domain_name = kwargs.pop('user_domain_name', None)
    user_domain_id = kwargs.pop('user_domain_id', None)
    project_domain_name = kwargs.pop('project_domain_name', None)
    project_domain_id = kwargs.pop('project_domain_id', None)
    auth = None

    use_domain = (user_domain_id or user_domain_name or
                  project_domain_id or project_domain_name)
    use_v3 = v3_auth_url and (use_domain or (not v2_auth_url))
    use_v2 = v2_auth_url and not use_domain

    if use_v3 and token:
        auth = v3_auth.Token(
            v3_auth_url,
            token=token,
            project_name=project_name,
            project_id=project_id,
            project_domain_name=project_domain_name,
            project_domain_id=project_domain_id)
    elif use_v2 and token:
        auth = v2_auth.Token(
            v2_auth_url,
            token=token,
            tenant_id=project_id,
            tenant_name=project_name)
    elif use_v3:
        # the auth_url as v3 specified
        # e.g. http://no.where:5000/v3
        # Keystone will return only v3 as viable option
        auth = v3_auth.Password(
            v3_auth_url,
            username=username,
            password=kwargs.pop('password', None),
            user_id=user_id,
            user_domain_name=user_domain_name,
            user_domain_id=user_domain_id,
            project_name=project_name,
            project_id=project_id,
            project_domain_name=project_domain_name,
            project_domain_id=project_domain_id)
    elif use_v2:
        # the auth_url as v2 specified
        # e.g. http://no.where:5000/v2.0
        # Keystone will return only v2 as viable option
        auth = v2_auth.Password(
            v2_auth_url,
            username,
            kwargs.pop('password', None),
            tenant_id=project_id,
            tenant_name=project_name)

    else:
        raise exc.CommandError('Unable to determine the Keystone version '
                               'to authenticate with using the given '
                               'auth_url.')

    ks_session.auth = auth
    return ks_session


def _get_endpoint(ks_session, **kwargs):
    """Get an endpoint using the provided keystone session."""

    # set service specific endpoint types
    endpoint_type = kwargs.get('endpoint_type') or 'publicURL'
    service_type = kwargs.get('service_type') or 'metering'

    endpoint = ks_session.get_endpoint(service_type=service_type,
                                       interface=endpoint_type,
                                       region_name=kwargs.get('region_name'))

    return endpoint


class AuthPlugin(auth.BaseAuthPlugin):
    opt_names = ['tenant_id', 'region_name', 'auth_token',
                 'service_type', 'endpoint_type', 'cacert',
                 'auth_url', 'insecure', 'cert_file', 'key_file',
                 'cert', 'key', 'tenant_name', 'project_name',
                 'project_id', 'project_domain_id', 'project_domain_name',
                 'user_id', 'user_domain_id', 'user_domain_name',
                 'password', 'username', 'endpoint']

    def __init__(self, auth_system=None, **kwargs):
        self.opt_names.extend(self.common_opt_names)
        super(AuthPlugin, self).__init__(auth_system, **kwargs)
        # NOTE(sileht): backward compat
        if self.opts.get('auth_token') and not self.opts.get('token'):
            self.opts['token'] = self.opts.get('auth_token')

    def _do_authenticate(self, http_client):
        token = self.opts.get('token')
        endpoint = self.opts.get('endpoint')
        if not (endpoint and token):
            ks_kwargs = self._get_ks_kwargs(http_timeout=http_client.timeout)
            ks_session = _get_keystone_session(**ks_kwargs)
            if not token:
                token = lambda: ks_session.get_token()
            if not endpoint:
                endpoint = _get_endpoint(ks_session, **ks_kwargs)
        self.opts['token'] = token
        self.opts['endpoint'] = endpoint

    def _get_ks_kwargs(self, http_timeout):
        project_id = (self.opts.get('project_id') or
                      self.opts.get('tenant_id'))
        project_name = (self.opts.get('project_name') or
                        self.opts.get('tenant_name'))
        token = self.opts.get('token')
        ks_kwargs = {
            'username': self.opts.get('username'),
            'password': self.opts.get('password'),
            'user_id': self.opts.get('user_id'),
            'user_domain_id': self.opts.get('user_domain_id'),
            'user_domain_name': self.opts.get('user_domain_name'),
            'project_id': project_id,
            'project_name': project_name,
            'project_domain_name': self.opts.get('project_domain_name'),
            'project_domain_id': self.opts.get('project_domain_id'),
            'auth_url': self.opts.get('auth_url'),
            'cacert': self.opts.get('cacert'),
            'cert': self.opts.get('cert'),
            'key': self.opts.get('key'),
            'insecure': strutils.bool_from_string(
                self.opts.get('insecure')),
            'endpoint_type': self.opts.get('endpoint_type'),
            'service_type': self.opts.get('service_type'),
            'region_name': self.opts.get('region_name'),
            'timeout': http_timeout,
            'token': token() if callable(token) else token,
        }
        return ks_kwargs

    def token_and_endpoint(self, endpoint_type, service_type):
        token = self.opts.get('token')
        if callable(token):
            token = token()
        return token, self.opts.get('endpoint')

    def sufficient_options(self):
        """Check if all required options are present.

        :raises: AuthPluginOptionsMissing
        """
        has_token = self.opts.get('token')
        has_project_domain_or_tenant = (self.opts.get('project_id') or
                                        (self.opts.get('project_name') and
                                        (self.opts.get('user_domain_name') or
                                         self.opts.get('user_domain_id'))) or
                                        (self.opts.get('tenant_id') or
                                         self.opts.get('tenant_name')))
        has_credential = (self.opts.get('username')
                          and has_project_domain_or_tenant
                          and self.opts.get('password')
                          and self.opts.get('auth_url'))
        missing = not (has_token or has_credential)
        if missing:
            missing_opts = []
            opts = ['token', 'endpoint', 'username', 'password', 'auth_url',
                    'tenant_id', 'tenant_name']
            for opt in opts:
                if not self.opts.get(opt):
                    missing_opts.append(opt)
            raise exceptions.AuthPluginOptionsMissing(missing_opts)


def _adjust_kwargs(kwargs):
    client_kwargs = {
        'username': kwargs.get('os_username'),
        'password': kwargs.get('os_password'),
        'tenant_id': kwargs.get('os_tenant_id'),
        'tenant_name': kwargs.get('os_tenant_name'),
        'auth_url': kwargs.get('os_auth_url'),
        'region_name': kwargs.get('os_region_name'),
        'service_type': kwargs.get('os_service_type'),
        'endpoint_type': kwargs.get('os_endpoint_type'),
        'insecure': kwargs.get('os_insecure'),
        'cacert': kwargs.get('os_cacert'),
        'cert_file': kwargs.get('os_cert'),
        'key_file': kwargs.get('os_key'),
        'token': kwargs.get('os_token') or kwargs.get('os_auth_token'),
        'user_domain_name': kwargs.get('os_user_domain_name'),
        'user_domain_id': kwargs.get('os_user_domain_id'),
        'project_domain_name': kwargs.get('os_project_domain_name'),
        'project_domain_id': kwargs.get('os_project_domain_id'),
    }

    client_kwargs.update(kwargs)
    client_kwargs['token'] = (client_kwargs.get('token') or
                              kwargs.get('token') or
                              kwargs.get('auth_token'))

    timeout = kwargs.get('timeout')
    if timeout is not None:
        timeout = int(timeout)
        if timeout <= 0:
            timeout = None

    insecure = strutils.bool_from_string(kwargs.get('insecure'))
    verify = kwargs.get('verify')
    if verify is None:
        if insecure:
            verify = False
        else:
            verify = client_kwargs.get('cacert') or True

    cert = client_kwargs.get('cert_file')
    key = client_kwargs.get('key_file')
    if cert and key:
        cert = cert, key

    client_kwargs.update({'verify': verify, 'cert': cert, 'timeout': timeout})
    return client_kwargs


def Client(version, *args, **kwargs):
    client_kwargs = _adjust_kwargs(kwargs)

    module = utils.import_versioned_module(version, 'client')
    client_class = getattr(module, 'Client')
    return client_class(*args, **client_kwargs)


def get_client(version, **kwargs):
    """Get an authenticated client, based on the credentials in the kwargs.

    :param version: the API version to use ('1' or '2')
    :param kwargs: keyword args containing credentials, either:

            * session: a keystoneauth/keystoneclient session object
            * service_type: The default service_type for URL discovery
            * service_name: The default service_name for URL discovery
            * interface: The default interface for URL discovery
                         (Default: public)
            * region_name: The default region_name for URL discovery
            * endpoint_override: Always use this endpoint URL for requests
                                 for this ceiloclient
            * auth: An auth plugin to use instead of the session one
            * user_agent: The User-Agent string to set
                          (Default is python-ceilometer-client)
            * connect_retries: the maximum number of retries that should be
                               attempted for connection errors
            * logger: A logging object

            or (DEPRECATED):

            * os_auth_token: (DEPRECATED) pre-existing token to re-use,
                             use os_token instead
            * os_token: pre-existing token to re-use
            * ceilometer_url: (DEPRECATED) Ceilometer API endpoint,
                              use os_endpoint instead
            * os_endpoint: Ceilometer API endpoint

            or (DEPRECATED):

            * os_username: name of user
            * os_password: user's password
            * os_user_id: user's id
            * os_user_domain_id: the domain id of the user
            * os_user_domain_name: the domain name of the user
            * os_project_id: the user project id
            * os_tenant_id: V2 alternative to os_project_id
            * os_project_name: the user project name
            * os_tenant_name: V2 alternative to os_project_name
            * os_project_domain_name: domain name for the user project
            * os_project_domain_id: domain id for the user project
            * os_auth_url: endpoint to authenticate against
            * os_cert|os_cacert: path of CA TLS certificate
            * os_key: SSL private key
            * os_insecure: allow insecure SSL (no cert verification)
    """
    endpoint = kwargs.get('os_endpoint') or kwargs.get('ceilometer_url')

    return Client(version, endpoint, **kwargs)


def get_auth_plugin(endpoint, **kwargs):
    auth_plugin = AuthPlugin(
        auth_url=kwargs.get('auth_url'),
        service_type=kwargs.get('service_type'),
        token=kwargs.get('token'),
        endpoint_type=kwargs.get('endpoint_type'),
        insecure=kwargs.get('insecure'),
        region_name=kwargs.get('region_name'),
        cacert=kwargs.get('cacert'),
        tenant_id=kwargs.get('project_id') or kwargs.get('tenant_id'),
        endpoint=endpoint,
        username=kwargs.get('username'),
        password=kwargs.get('password'),
        tenant_name=kwargs.get('tenant_name') or kwargs.get('project_name'),
        user_domain_name=kwargs.get('user_domain_name'),
        user_domain_id=kwargs.get('user_domain_id'),
        project_domain_name=kwargs.get('project_domain_name'),
        project_domain_id=kwargs.get('project_domain_id')
    )
    return auth_plugin


LEGACY_OPTS = ('auth_plugin', 'auth_url', 'token', 'insecure',  'cacert',
               'tenant_id', 'project_id', 'username', 'password',
               'project_name', 'tenant_name',
               'user_domain_name', 'user_domain_id',
               'project_domain_name', 'project_domain_id',
               'key_file', 'cert_file', 'verify', 'timeout', 'cert')


def _construct_http_client(**kwargs):
    kwargs = kwargs.copy()
    if kwargs.get('session') is not None:
        # Drop legacy options
        for opt in LEGACY_OPTS:
            kwargs.pop(opt, None)

        return SessionClient(
            session=kwargs.pop('session'),
            service_type=kwargs.pop('service_type', 'metering') or 'metering',
            interface=kwargs.pop('interface', kwargs.pop('endpoint_type',
                                                         'publicURL')),
            region_name=kwargs.pop('region_name', None),
            user_agent=kwargs.pop('user_agent', 'python-ceilometerclient'),
            auth=kwargs.get('auth', None),
            timings=kwargs.pop('timings', None),
            **kwargs)
    else:
        return client.BaseClient(client.HTTPClient(
            auth_plugin=kwargs.get('auth_plugin'),
            region_name=kwargs.get('region_name'),
            endpoint_type=kwargs.get('endpoint_type'),
            original_ip=kwargs.get('original_ip'),
            verify=kwargs.get('verify'),
            cert=kwargs.get('cert'),
            timeout=kwargs.get('timeout'),
            timings=kwargs.get('timings'),
            keyring_saver=kwargs.get('keyring_saver'),
            debug=kwargs.get('debug'),
            user_agent=kwargs.get('user_agent'),
            http=kwargs.get('http')
        ))


@contextlib.contextmanager
def record_time(times, enabled, *args):
    """Record the time of a specific action.

    :param times: A list of tuples holds time data.
    :type times: list
    :param enabled: Whether timing is enabled.
    :type enabled: bool
    :param args: Other data to be stored besides time data, these args
                 will be joined to a string.
    """
    if not enabled:
        yield
    else:
        start = time.time()
        yield
        end = time.time()
        times.append((' '.join(args), start, end))


class SessionClient(adapter.LegacyJsonAdapter):
    def __init__(self, *args, **kwargs):
        self.times = []
        self.timings = kwargs.pop('timings', False)
        super(SessionClient, self).__init__(*args, **kwargs)

    def request(self, url, method, **kwargs):
        kwargs.setdefault('headers', kwargs.get('headers', {}))
        # NOTE(sileht): The standard call raises errors from
        # keystoneauth, where we need to raise the ceilometerclient errors.
        raise_exc = kwargs.pop('raise_exc', True)
        with record_time(self.times, self.timings, method, url):
            resp, body = super(SessionClient, self).request(url,
                                                            method,
                                                            raise_exc=False,
                                                            **kwargs)

        if raise_exc and resp.status_code >= 400:
            raise exc.from_response(resp, body)
        return resp