def get_sdk_adapter(service_type, check_service=False):
"""Construct an openstacksdk-brokered Adapter for a given service type.
We expect to find a conf group whose name corresponds to the service_type's
project according to the service-types-authority. That conf group must
provide ksa auth, session, and adapter options.
:param service_type: String name of the service type for which the Adapter
is to be constructed.
:param check_service: If True, we will query the endpoint to make sure the
service is alive, raising ServiceUnavailable if it is not.
:return: An openstack.proxy.Proxy object for the specified service_type.
:raise: ConfGroupForServiceTypeNotFound If no conf group name could be
found for the specified service_type.
:raise: ServiceUnavailable if check_service is True and the service is down
"""
confgrp = _get_conf_group(service_type)
sess = _get_auth_and_session(confgrp)[1]
try:
conn = connection.Connection(
session=sess, oslo_conf=CONF, service_types={service_type},
strict_proxies=check_service)
except sdk_exc.ServiceDiscoveryException as e:
raise exception.ServiceUnavailable(
_("The %(service_type)s service is unavailable: %(error)s") %
{'service_type': service_type, 'error': six.text_type(e)})
return getattr(conn, service_type)
def __init__(self):
# We have to send a dummy tenant name here since the client
# needs some tenant name, but the tenant name will not be used
# since the extensions URL does not require it
LOG.debug("Initializing Cisco Quantum VIF driver...")
client = Client(HOST,
PORT,
USE_SSL,
format='json',
version=VERSION,
uri_prefix="",
tenant="dummy",
logger=LOG)
request_url = "/extensions"
data = client.do_request('GET', request_url)
LOG.debug("Obtained supported extensions from Quantum: %s" % data)
for ext in data['extensions']:
name = ext['name']
if name == CSCO_EXT_NAME:
LOG.debug("Quantum plugin supports required \"%s\" extension"
"for the VIF driver." % name)
return
LOG.error("Quantum plugin does not support required \"%s\" extension"
" for the VIF driver. nova-compute will quit." %
CSCO_EXT_NAME)
raise excp.ServiceUnavailable()
def _verify_setup(self):
if CONF.hyperv.use_multipath_io:
mpio_enabled = self._hostutils.check_server_feature(
self._hostutils.FEATURE_MPIO)
if not mpio_enabled:
err_msg = _LE(
"Using multipath connections for iSCSI and FC disks "
"requires the Multipath IO Windows feature to be "
"enabled. MPIO must be configured to claim such devices.")
raise exception.ServiceUnavailable(err_msg)
def __init__(self):
# We have to send a dummy tenant name here since the client
# needs some tenant name, but the tenant name will not be used
# since the extensions URL does not require it
client = Client(HOST,
PORT,
USE_SSL,
format='json',
action_prefix=ACTION_PREFIX_EXT,
tenant="dummy")
request_url = "/extensions"
data = client.do_request('GET', request_url)
LOG.debug("Obtained supported extensions from Quantum: %s" % data)
for ext in data['extensions']:
name = ext['name']
if name == CSCO_EXT_NAME:
LOG.debug("Quantum plugin supports required \"%s\" extension"
"for the scheduler." % name)
return
LOG.error("Quantum plugin does not support required \"%s\" extension"
" for the scheduler. Scheduler will quit." % CSCO_EXT_NAME)
raise excp.ServiceUnavailable()