Files
osc-lib/osc_lib/cli/client_config.py
Monty Taylor ee79f6166e Use openstack.config for config and Session objects
The TimingSession functionality has been merged into keystoneauth. This
allows us to use the CloudRegion object to get the Session directly.

Change-Id: Ib4c9210e681a2d2d9c5fc40de2c3ede1a5003154
2018-07-05 08:30:32 -05:00

222 lines
8.7 KiB
Python

# 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.
#
"""OpenStackConfig subclass for argument compatibility"""
import logging
from openstack.config import exceptions as sdk_exceptions
from openstack.config import loader as config
from oslo_utils import strutils
import six
LOG = logging.getLogger(__name__)
# Sublcass OpenStackConfig in order to munge config values
# before auth plugins are loaded
class OSC_Config(config.OpenStackConfig):
def _auth_select_default_plugin(self, config):
"""Select a default plugin based on supplied arguments
Migrated from auth.select_auth_plugin()
"""
identity_version = str(config.get('identity_api_version', ''))
if config.get('username', None) and not config.get('auth_type', None):
if identity_version == '3':
config['auth_type'] = 'v3password'
elif identity_version.startswith('2'):
config['auth_type'] = 'v2password'
else:
# let keystoneauth figure it out itself
config['auth_type'] = 'password'
elif config.get('token', None) and not config.get('auth_type', None):
if identity_version == '3':
config['auth_type'] = 'v3token'
elif identity_version.startswith('2'):
config['auth_type'] = 'v2token'
else:
# let keystoneauth figure it out itself
config['auth_type'] = 'token'
else:
# The ultimate default is similar to the original behaviour,
# but this time with version discovery
if not config.get('auth_type', None):
config['auth_type'] = 'password'
LOG.debug("Auth plugin %s selected" % config['auth_type'])
return config
def _auth_v2_arguments(self, config):
"""Set up v2-required arguments from v3 info
Migrated from auth.build_auth_params()
"""
if ('auth_type' in config and config['auth_type'].startswith("v2")):
if 'project_id' in config['auth']:
config['auth']['tenant_id'] = config['auth']['project_id']
if 'project_name' in config['auth']:
config['auth']['tenant_name'] = config['auth']['project_name']
return config
def _auth_v2_ignore_v3(self, config):
"""Remove v3 arguemnts if present for v2 plugin
Migrated from clientmanager.setup_auth()
"""
# NOTE(hieulq): If USER_DOMAIN_NAME, USER_DOMAIN_ID, PROJECT_DOMAIN_ID
# or PROJECT_DOMAIN_NAME is present and API_VERSION is 2.0, then
# ignore all domain related configs.
if (str(config.get('identity_api_version', '')).startswith('2') and
config.get('auth_type').endswith('password')):
domain_props = [
'project_domain_id',
'project_domain_name',
'user_domain_id',
'user_domain_name',
]
for prop in domain_props:
if config['auth'].pop(prop, None) is not None:
LOG.warning("Ignoring domain related config " +
prop + " because identity API version is 2.0")
return config
def _auth_default_domain(self, config):
"""Set a default domain from available arguments
Migrated from clientmanager.setup_auth()
"""
identity_version = str(config.get('identity_api_version', ''))
auth_type = config.get('auth_type', None)
# TODO(mordred): This is a usability improvement that's broadly useful
# We should port it back up into os-client-config.
default_domain = config.get('default_domain', None)
if (identity_version == '3' and
not auth_type.startswith('v2') and
default_domain):
# NOTE(stevemar): If PROJECT_DOMAIN_ID or PROJECT_DOMAIN_NAME is
# present, then do not change the behaviour. Otherwise, set the
# PROJECT_DOMAIN_ID to 'OS_DEFAULT_DOMAIN' for better usability.
if (
auth_type in ("password", "v3password", "v3totp") and
not config['auth'].get('project_domain_id') and
not config['auth'].get('project_domain_name')
):
config['auth']['project_domain_id'] = default_domain
# NOTE(stevemar): If USER_DOMAIN_ID or USER_DOMAIN_NAME is present,
# then do not change the behaviour. Otherwise, set the
# USER_DOMAIN_ID to 'OS_DEFAULT_DOMAIN' for better usability.
# NOTE(aloga): this should only be set if there is a username.
# TODO(dtroyer): Move this to os-client-config after the plugin has
# been loaded so we can check directly if the options are accepted.
if (
auth_type in ("password", "v3password", "v3totp") and
not config['auth'].get('user_domain_id') and
not config['auth'].get('user_domain_name')
):
config['auth']['user_domain_id'] = default_domain
return config
def auth_config_hook(self, config):
"""Allow examination of config values before loading auth plugin
OpenStackClient will override this to perform additional chacks
on auth_type.
"""
config = self._auth_select_default_plugin(config)
config = self._auth_v2_arguments(config)
config = self._auth_v2_ignore_v3(config)
config = self._auth_default_domain(config)
if LOG.isEnabledFor(logging.DEBUG):
LOG.debug("auth_config_hook(): %s",
strutils.mask_password(six.text_type(config)))
return config
def _validate_auth_ksc(self, config, cloud, fixed_argparse=None):
"""Old compatibility hack for OSC, no longer needed/wanted"""
return config
def _validate_auth(self, config, loader, fixed_argparse=None):
"""Validate auth plugin arguments"""
# May throw a keystoneauth1.exceptions.NoMatchingPlugin
plugin_options = loader.get_options()
msgs = []
prompt_options = []
for p_opt in plugin_options:
# if it's in config, win, move it and kill it from config dict
# if it's in config.auth but not in config we're good
# deprecated loses to current
# provided beats default, deprecated or not
winning_value = self._find_winning_auth_value(p_opt, config)
if not winning_value:
winning_value = self._find_winning_auth_value(
p_opt, config['auth'])
# if the plugin tells us that this value is required
# then error if it's doesn't exist now
if not winning_value and p_opt.required:
msgs.append(
'Missing value {auth_key}'
' required for auth plugin {plugin}'.format(
auth_key=p_opt.name, plugin=config.get('auth_type'),
)
)
# Clean up after ourselves
for opt in [p_opt.name] + [o.name for o in p_opt.deprecated]:
opt = opt.replace('-', '_')
config.pop(opt, None)
config['auth'].pop(opt, None)
if winning_value:
# Prefer the plugin configuration dest value if the value's key
# is marked as depreciated.
if p_opt.dest is None:
config['auth'][p_opt.name.replace('-', '_')] = (
winning_value)
else:
config['auth'][p_opt.dest] = winning_value
# See if this needs a prompting
if (
'prompt' in vars(p_opt) and
p_opt.prompt is not None and
p_opt.dest not in config['auth'] and
self._pw_callback is not None
):
# Defer these until we know all required opts are present
prompt_options.append(p_opt)
if msgs:
raise sdk_exceptions.OpenStackConfigException('\n'.join(msgs))
else:
for p_opt in prompt_options:
config['auth'][p_opt.dest] = self._pw_callback(p_opt.prompt)
return config