b57feba5e8
This patch added Placement to Watcher We plan to improve the data model and strategies in the future specs. Change-Id: I7141459eef66557cd5d525b5887bd2a381cdac3f Implements: blueprint support-placement-api
291 lines
12 KiB
Python
Executable File
291 lines
12 KiB
Python
Executable File
# 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 cinderclient import client as ciclient
|
|
from glanceclient import client as glclient
|
|
from gnocchiclient import client as gnclient
|
|
from ironicclient import client as irclient
|
|
from keystoneauth1 import adapter as ka_adapter
|
|
from keystoneauth1 import loading as ka_loading
|
|
from keystoneclient import client as keyclient
|
|
from monascaclient import client as monclient
|
|
from neutronclient.neutron import client as netclient
|
|
from novaclient import api_versions as nova_api_versions
|
|
from novaclient import client as nvclient
|
|
|
|
from watcher.common import exception
|
|
|
|
try:
|
|
from ceilometerclient import client as ceclient
|
|
HAS_CEILCLIENT = True
|
|
except ImportError:
|
|
HAS_CEILCLIENT = False
|
|
|
|
CONF = cfg.CONF
|
|
|
|
_CLIENTS_AUTH_GROUP = 'watcher_clients_auth'
|
|
|
|
# NOTE(mriedem): This is the minimum required version of the nova API for
|
|
# watcher features to work. If new features are added which require new
|
|
# versions, they should perform version discovery and be backward compatible
|
|
# for at least one release before raising the minimum required version.
|
|
MIN_NOVA_API_VERSION = '2.56'
|
|
|
|
|
|
def check_min_nova_api_version(config_version):
|
|
"""Validates the minimum required nova API version.
|
|
|
|
:param config_version: The configured [nova_client]/api_version value
|
|
:raises: ValueError if the configured version is less than the required
|
|
minimum
|
|
"""
|
|
min_required = nova_api_versions.APIVersion(MIN_NOVA_API_VERSION)
|
|
if nova_api_versions.APIVersion(config_version) < min_required:
|
|
raise ValueError('Invalid nova_client.api_version %s. %s or '
|
|
'greater is required.' % (config_version,
|
|
MIN_NOVA_API_VERSION))
|
|
|
|
|
|
class OpenStackClients(object):
|
|
"""Convenience class to create and cache client instances."""
|
|
|
|
def __init__(self):
|
|
self.reset_clients()
|
|
|
|
def reset_clients(self):
|
|
self._session = None
|
|
self._keystone = None
|
|
self._nova = None
|
|
self._glance = None
|
|
self._gnocchi = None
|
|
self._cinder = None
|
|
self._ceilometer = None
|
|
self._monasca = None
|
|
self._neutron = None
|
|
self._ironic = None
|
|
self._placement = None
|
|
|
|
def _get_keystone_session(self):
|
|
auth = ka_loading.load_auth_from_conf_options(CONF,
|
|
_CLIENTS_AUTH_GROUP)
|
|
sess = ka_loading.load_session_from_conf_options(CONF,
|
|
_CLIENTS_AUTH_GROUP,
|
|
auth=auth)
|
|
return sess
|
|
|
|
@property
|
|
def auth_url(self):
|
|
return self.keystone().auth_url
|
|
|
|
@property
|
|
def session(self):
|
|
if not self._session:
|
|
self._session = self._get_keystone_session()
|
|
return self._session
|
|
|
|
def _get_client_option(self, client, option):
|
|
return getattr(getattr(CONF, '%s_client' % client), option)
|
|
|
|
@exception.wrap_keystone_exception
|
|
def keystone(self):
|
|
if self._keystone:
|
|
return self._keystone
|
|
keystone_interface = self._get_client_option('keystone',
|
|
'interface')
|
|
keystone_region_name = self._get_client_option('keystone',
|
|
'region_name')
|
|
self._keystone = keyclient.Client(
|
|
interface=keystone_interface,
|
|
region_name=keystone_region_name,
|
|
session=self.session)
|
|
|
|
return self._keystone
|
|
|
|
@exception.wrap_keystone_exception
|
|
def nova(self):
|
|
if self._nova:
|
|
return self._nova
|
|
|
|
novaclient_version = self._get_client_option('nova', 'api_version')
|
|
|
|
check_min_nova_api_version(novaclient_version)
|
|
|
|
nova_endpoint_type = self._get_client_option('nova', 'endpoint_type')
|
|
nova_region_name = self._get_client_option('nova', 'region_name')
|
|
self._nova = nvclient.Client(novaclient_version,
|
|
endpoint_type=nova_endpoint_type,
|
|
region_name=nova_region_name,
|
|
session=self.session)
|
|
return self._nova
|
|
|
|
@exception.wrap_keystone_exception
|
|
def glance(self):
|
|
if self._glance:
|
|
return self._glance
|
|
|
|
glanceclient_version = self._get_client_option('glance', 'api_version')
|
|
glance_endpoint_type = self._get_client_option('glance',
|
|
'endpoint_type')
|
|
glance_region_name = self._get_client_option('glance', 'region_name')
|
|
self._glance = glclient.Client(glanceclient_version,
|
|
interface=glance_endpoint_type,
|
|
region_name=glance_region_name,
|
|
session=self.session)
|
|
return self._glance
|
|
|
|
@exception.wrap_keystone_exception
|
|
def gnocchi(self):
|
|
if self._gnocchi:
|
|
return self._gnocchi
|
|
|
|
gnocchiclient_version = self._get_client_option('gnocchi',
|
|
'api_version')
|
|
gnocchiclient_interface = self._get_client_option('gnocchi',
|
|
'endpoint_type')
|
|
gnocchiclient_region_name = self._get_client_option('gnocchi',
|
|
'region_name')
|
|
adapter_options = {
|
|
"interface": gnocchiclient_interface,
|
|
"region_name": gnocchiclient_region_name
|
|
}
|
|
|
|
self._gnocchi = gnclient.Client(gnocchiclient_version,
|
|
adapter_options=adapter_options,
|
|
session=self.session)
|
|
return self._gnocchi
|
|
|
|
@exception.wrap_keystone_exception
|
|
def cinder(self):
|
|
if self._cinder:
|
|
return self._cinder
|
|
|
|
cinderclient_version = self._get_client_option('cinder', 'api_version')
|
|
cinder_endpoint_type = self._get_client_option('cinder',
|
|
'endpoint_type')
|
|
cinder_region_name = self._get_client_option('cinder', 'region_name')
|
|
self._cinder = ciclient.Client(cinderclient_version,
|
|
endpoint_type=cinder_endpoint_type,
|
|
region_name=cinder_region_name,
|
|
session=self.session)
|
|
return self._cinder
|
|
|
|
@exception.wrap_keystone_exception
|
|
def ceilometer(self):
|
|
if self._ceilometer:
|
|
return self._ceilometer
|
|
|
|
ceilometerclient_version = self._get_client_option('ceilometer',
|
|
'api_version')
|
|
ceilometer_endpoint_type = self._get_client_option('ceilometer',
|
|
'endpoint_type')
|
|
ceilometer_region_name = self._get_client_option('ceilometer',
|
|
'region_name')
|
|
self._ceilometer = ceclient.get_client(
|
|
ceilometerclient_version,
|
|
endpoint_type=ceilometer_endpoint_type,
|
|
region_name=ceilometer_region_name,
|
|
session=self.session)
|
|
return self._ceilometer
|
|
|
|
@exception.wrap_keystone_exception
|
|
def monasca(self):
|
|
if self._monasca:
|
|
return self._monasca
|
|
|
|
monascaclient_version = self._get_client_option(
|
|
'monasca', 'api_version')
|
|
monascaclient_interface = self._get_client_option(
|
|
'monasca', 'interface')
|
|
monascaclient_region = self._get_client_option(
|
|
'monasca', 'region_name')
|
|
token = self.session.get_token()
|
|
watcher_clients_auth_config = CONF.get(_CLIENTS_AUTH_GROUP)
|
|
service_type = 'monitoring'
|
|
monasca_kwargs = {
|
|
'auth_url': watcher_clients_auth_config.auth_url,
|
|
'cert_file': watcher_clients_auth_config.certfile,
|
|
'insecure': watcher_clients_auth_config.insecure,
|
|
'key_file': watcher_clients_auth_config.keyfile,
|
|
'keystone_timeout': watcher_clients_auth_config.timeout,
|
|
'os_cacert': watcher_clients_auth_config.cafile,
|
|
'service_type': service_type,
|
|
'token': token,
|
|
'username': watcher_clients_auth_config.username,
|
|
'password': watcher_clients_auth_config.password,
|
|
}
|
|
endpoint = self.session.get_endpoint(service_type=service_type,
|
|
interface=monascaclient_interface,
|
|
region_name=monascaclient_region)
|
|
|
|
self._monasca = monclient.Client(
|
|
monascaclient_version, endpoint, **monasca_kwargs)
|
|
|
|
return self._monasca
|
|
|
|
@exception.wrap_keystone_exception
|
|
def neutron(self):
|
|
if self._neutron:
|
|
return self._neutron
|
|
|
|
neutronclient_version = self._get_client_option('neutron',
|
|
'api_version')
|
|
neutron_endpoint_type = self._get_client_option('neutron',
|
|
'endpoint_type')
|
|
neutron_region_name = self._get_client_option('neutron', 'region_name')
|
|
|
|
self._neutron = netclient.Client(neutronclient_version,
|
|
endpoint_type=neutron_endpoint_type,
|
|
region_name=neutron_region_name,
|
|
session=self.session)
|
|
self._neutron.format = 'json'
|
|
return self._neutron
|
|
|
|
@exception.wrap_keystone_exception
|
|
def ironic(self):
|
|
if self._ironic:
|
|
return self._ironic
|
|
|
|
ironicclient_version = self._get_client_option('ironic', 'api_version')
|
|
endpoint_type = self._get_client_option('ironic', 'endpoint_type')
|
|
ironic_region_name = self._get_client_option('ironic', 'region_name')
|
|
self._ironic = irclient.get_client(ironicclient_version,
|
|
os_endpoint_type=endpoint_type,
|
|
region_name=ironic_region_name,
|
|
session=self.session)
|
|
return self._ironic
|
|
|
|
@exception.wrap_keystone_exception
|
|
def placement(self):
|
|
if self._placement:
|
|
return self._placement
|
|
|
|
placement_version = self._get_client_option('placement',
|
|
'api_version')
|
|
placement_interface = self._get_client_option('placement',
|
|
'interface')
|
|
placement_region_name = self._get_client_option('placement',
|
|
'region_name')
|
|
# Set accept header on every request to ensure we notify placement
|
|
# service of our response body media type preferences.
|
|
headers = {'accept': 'application/json'}
|
|
self._placement = ka_adapter.Adapter(
|
|
session=self.session,
|
|
service_type='placement',
|
|
default_microversion=placement_version,
|
|
interface=placement_interface,
|
|
region_name=placement_region_name,
|
|
additional_headers=headers)
|
|
|
|
return self._placement
|