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# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# 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.
from oslo.config import cfg
from heat.openstack.common import log as logging
logger = logging.getLogger(__name__)
from heat.common import exception
from heat.engine import clients
from heat.openstack.common.gettextutils import _
try:
import pyrax
except ImportError:
logger.info(_('pyrax not available'))
try:
from swiftclient import client as swiftclient
except ImportError:
swiftclient = None
logger.info(_('swiftclient not available'))
try:
from ceilometerclient.v2 import client as ceilometerclient
except ImportError:
ceilometerclient = None
logger.info(_('ceilometerclient not available'))
cloud_opts = [
cfg.StrOpt('region_name',
default=None,
help=_('Region for connecting to services'))
]
cfg.CONF.register_opts(cloud_opts)
class Clients(clients.OpenStackClients):
'''
Convenience class to create and cache client instances.
'''
def __init__(self, context):
super(Clients, self).__init__(context)
self.pyrax = None
def _get_client(self, name):
if not self.pyrax:
self.__authenticate()
return self.pyrax.get(name)
def auto_scale(self):
"""Rackspace Auto Scale client."""
return self._get_client("autoscale")
def cloud_db(self):
'''Rackspace cloud database client.'''
return self._get_client("database")
def cloud_lb(self):
'''Rackspace cloud loadbalancer client.'''
return self._get_client("load_balancer")
def cloud_dns(self):
'''Rackspace cloud dns client.'''
return self._get_client("dns")
def nova(self, service_type="compute"):
'''Rackspace cloudservers client. Specifying the service type is to
maintain compatability with clients.OpenStackClients. It is not
actually a valid option to change within pyrax.
'''
if service_type is not "compute":
raise ValueError(_("service_type should be compute."))
return self._get_client(service_type)
def neutron(self):
'''Rackspace neutron client.'''
return self._get_client("network")
def trove(self):
'''Rackspace trove client.'''
return super(Clients, self).trove(service_type="rax:database")
def __authenticate(self):
pyrax.set_setting("identity_type", "keystone")
pyrax.set_setting("auth_endpoint", self.context.auth_url)
logger.info(_("Authenticating username:%s") %
self.context.username)
self.pyrax = pyrax.auth_with_token(self.context.auth_token,
tenant_id=self.context.tenant_id,
tenant_name=self.context.tenant,
region=(cfg.CONF.region_name
or None))
if not self.pyrax:
raise exception.AuthorizationFailure("No services available.")
logger.info(_("User %s authenticated successfully.")
% self.context.username)
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