freezerclient.v2.client

Source code for freezerclient.v2.client

# (c) Copyright 2014-2016 Hewlett-Packard Development Company, L.P.
#
# 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 socket

from keystoneauth1.identity import v2
from keystoneauth1.identity import v3
from keystoneauth1 import session as ksa_session

from freezerclient import utils
from freezerclient.v2.managers import actions
from freezerclient.v2.managers import backups
from freezerclient.v2.managers import clients
from freezerclient.v2.managers import jobs
from freezerclient.v2.managers import sessions

FREEZER_SERVICE_TYPE = 'backup'


[docs]def guess_auth_version(opts): """Guess keystone version to connect to""" if opts.os_identity_api_version == '3': return '3' elif opts.os_identity_api_version == '2.0': return '2.0' elif opts.os_auth_url.endswith('v3'): return '3' elif opts.os_auth_url.endswith('v2.0'): return '2.0' raise Exception('Please provide valid keystone auth url with valid' ' keystone api version to use')
[docs]def get_auth_plugin(opts): """Create the right keystone connection depending on the version for the api, if username/password and token are provided, username and password takes precedence. """ auth_version = guess_auth_version(opts) if opts.os_username: if auth_version == '3': return v3.Password(auth_url=opts.os_auth_url, username=opts.os_username, password=opts.os_password, project_name=opts.os_project_name, user_domain_name=opts.os_user_domain_name, user_domain_id=opts.os_user_domain_id, project_domain_name=opts.os_project_domain_name, project_domain_id=opts.os_project_domain_id, project_id=opts.os_project_id) elif auth_version == '2.0': return v2.Password(auth_url=opts.os_auth_url, username=opts.os_username, password=opts.os_password, tenant_name=opts.os_tenant_name) elif opts.os_token: if auth_version == '3': return v3.Token(auth_url=opts.os_auth_url, token=opts.os_token, project_name=opts.os_project_name, project_domain_name=opts.os_project_domain_name, project_domain_id=opts.os_project_domain_id, project_id=opts.os_project_id) elif auth_version == '2.0': return v2.Token(auth_url=opts.os_auth_url, token=opts.os_token, tenant_name=opts.os_tenant_name) raise Exception('Unable to determine correct auth method, please provide' ' either username or token')
[docs]class Client(object): """Client for the OpenStack Disaster Recovery v1 API. """ def __init__(self, version='3', token=None, username=None, password=None, tenant_name=None, auth_url=None, session=None, endpoint=None, endpoint_type=None, opts=None, project_name=None, user_domain_name=None, user_domain_id=None, project_domain_name=None, project_domain_id=None, cert=None, cacert=None, insecure=False, project_id=None): """ Initialize a new client for the Disaster Recovery v1 API. :param version: keystone version to use :param token: keystone token :param username: openstack username :param password: openstack password :param tenant_name: tenant :param auth_url: keystone-api endpoint :param session: keystone.Session :param endpoint: freezer-api endpoint :param endpoint_type: type of endpoint :param opts: a namespace to store all keystone data :param project_name: only for version 3 :param tenant_id: only for version 2 :param user_domain_name: only for version 3 :param user_domain_id: only for version 3 :param project_domain_name: only for version 3 :param project_domain_id: only for version 3 :param insecure: The verification arguments to pass to requests. These are of the same form as requests expects, so True or False to verify (or not) against system certificates or a path to a bundle or CA certs to check against or None for requests to attempt to locate and use certificates. (optional, defaults to True) :param cert: Path to cert :return: freezerclient.Client """ self.project_id = project_id if opts is None: self.opts = utils.Namespace({}) self.opts.os_token = token or None self.opts.os_username = username or None self.opts.os_password = password or None self.opts.os_tenant_name = tenant_name or None self.opts.os_auth_url = auth_url or None self.opts.os_backup_url = endpoint or None self.opts.os_endpoint_type = endpoint_type or None self.opts.os_project_name = project_name or None self.opts.os_project_id = project_id or None self.opts.os_user_domain_name = user_domain_name or None self.opts.os_user_domain_id = user_domain_id or None self.opts.os_project_domain_name = project_domain_name or None self.opts.os_project_domain_id = project_domain_id or None self.opts.auth_version = version self.opts.os_identity_api_version = version self.opts.os_cacert = cacert or None self.opts.insecure = insecure self.opts.cert = cert else: self.opts = opts self.cert = cert self.cacert = cacert or self.opts.os_cacert self._session = session verify = self.opts.os_cacert if self.opts.insecure: verify = False self.validate() self.jobs = jobs.JobManager(self, verify=verify) self.clients = clients.ClientManager(self, verify=verify) self.backups = backups.BackupsManager(self, verify=verify) self.sessions = sessions.SessionManager(self, verify=verify) self.actions = actions.ActionManager(self, verify=verify) @utils.CachedProperty def session(self): if self._session: return self._session auth_plugin = get_auth_plugin(self.opts) return ksa_session.Session(auth=auth_plugin, verify=(self.cacert or not self.opts.insecure), cert=self.cert) @utils.CachedProperty def endpoint(self): if self.opts.os_backup_url: return self.opts.os_backup_url else: auth_ref = self.session.auth.get_auth_ref(self.session) endpoint = auth_ref.service_catalog.url_for( service_type=FREEZER_SERVICE_TYPE, interface=self.opts.os_endpoint_type, ) return endpoint @property def auth_token(self): return self.session.get_token() @utils.CachedProperty def client_id(self): return '{0}_{1}'.format(self.session.get_project_id(), socket.gethostname())
[docs] def validate(self): """Validate that the client objects gets created correctly. :return: bool """ if not self._session and self.opts.os_auth_url is None: raise Exception('OS_AUTH_URL should be provided.')
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