Fei Long Wang 78cd424d1a Add region name when getting distil URL
Change-Id: I63dfb47e3c27532c44eff0700c1761382877a37f
2017-10-18 11:57:46 +13:00

274 lines
10 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.
import warnings
from keystoneclient import adapter
from keystoneclient import client as ks_client
from keystoneclient import discover
from keystoneclient import session
from distilclient.common import httpclient
from distilclient import exceptions
from distilclient.v2 import credits
from distilclient.v2 import health
from distilclient.v2 import invoices
from distilclient.v2 import measurements
from distilclient.v2 import products
from distilclient.v2 import quotations
class Client(object):
"""Top-level object to access the OpenStack Distil API.
Create an instance with your creds::
>>> client = Client(USERNAME, PASSWORD, PROJECT_ID, AUTH_URL)
Or, alternatively, you can create a client instance using the
keystoneclient.session API::
>>> from keystoneclient.auth.identity import v2
>>> from keystoneclient import session
>>> from distilclient import client
>>> auth = v2.Password(auth_url=AUTH_URL,
username=USERNAME,
password=PASSWORD,
tenant_name=PROJECT_ID)
>>> sess = session.Session(auth=auth)
>>> distil = client.Client(VERSION, session=sess)
Then call methods on its managers::
>>> client.cost.list()
...
"""
def __init__(self, username=None, api_key=None,
project_id=None, auth_url=None, insecure=False, timeout=None,
tenant_id=None, project_name=None, region_name=None,
endpoint_type='publicURL', extensions=None,
service_type='rating', service_name=None,
retries=None, http_log_debug=False, input_auth_token=None,
session=None, auth=None, cacert=None,
distil_url=None, user_agent='python-distilclient',
use_keyring=False, force_new_token=False,
cached_token_lifetime=300,
api_version='2',
user_id=None,
user_domain_id=None,
user_domain_name=None,
project_domain_id=None,
project_domain_name=None,
cert=None,
password=None,
**kwargs):
self.username = username
self.password = password or api_key
self.tenant_id = tenant_id or project_id
self.tenant_name = project_name
self.user_id = user_id
self.project_id = project_id or tenant_id
self.project_name = project_name
self.user_domain_id = user_domain_id
self.user_domain_name = user_domain_name
self.project_domain_id = project_domain_id
self.project_domain_name = project_domain_name
self.endpoint_type = endpoint_type
self.auth_url = auth_url
self.region_name = region_name
self.cacert = cacert
self.cert = cert
self.insecure = insecure
self.use_keyring = use_keyring
self.force_new_token = force_new_token
self.cached_token_lifetime = cached_token_lifetime
service_name = kwargs.get("share_service_name", service_name)
def check_deprecated_arguments():
deprecated = {
'share_service_name': 'service_name',
'proxy_tenant_id': None,
'proxy_token': None,
'os_cache': 'use_keyring',
'api_key': 'password',
}
for arg, replacement in deprecated.items():
if kwargs.get(arg, None) is None:
continue
replacement_msg = ""
if replacement is not None:
replacement_msg = " Use %s instead." % replacement
msg = "Argument %(arg)s is deprecated.%(repl)s" % {
'arg': arg,
'repl': replacement_msg
}
warnings.warn(msg)
check_deprecated_arguments()
if input_auth_token and not distil_url:
msg = ("For token-based authentication you should "
"provide 'input_auth_token' and 'distil_url'.")
raise exceptions.ClientException(msg)
self.project_id = tenant_id if tenant_id is not None else project_id
self.keystone_client = None
self.session = session
# NOTE(u_glide): token authorization has highest priority.
# That's why session and/or password will be ignored
# if token is provided.
if not input_auth_token:
if session:
self.keystone_client = adapter.LegacyJsonAdapter(
session=session,
auth=auth,
interface=endpoint_type,
service_type=service_type,
service_name=service_name,
region_name=region_name)
input_auth_token = self.keystone_client.session.get_token(auth)
else:
self.keystone_client = self._get_keystone_client()
input_auth_token = self.keystone_client.auth_token
if not input_auth_token:
raise RuntimeError("Not Authorized")
if session and not distil_url:
distil_url = self.keystone_client.session.get_endpoint(
auth, interface=endpoint_type,
service_type=service_type, region_name=region_name)
elif not distil_url:
catalog = self.keystone_client.service_catalog.get_endpoints(
service_type)
for catalog_entry in catalog.get(service_type, []):
if (catalog_entry.get("interface") == (
endpoint_type.lower().split("url")[0]) or
catalog_entry.get(endpoint_type)):
if (region_name and not region_name == (
catalog_entry.get(
"region",
catalog_entry.get("region_id")))):
continue
distil_url = catalog_entry.get(
"url", catalog_entry.get(endpoint_type))
break
if not distil_url:
raise RuntimeError("Could not find Distil endpoint in catalog")
self.api_version = api_version
self.client = httpclient.HTTPClient(distil_url,
input_auth_token,
user_agent,
insecure=insecure,
cacert=cacert,
timeout=timeout,
retries=retries,
http_log_debug=http_log_debug,
api_version=self.api_version)
self.measurements = measurements.MeasurementManager(self)
self.invoices = invoices.InvoiceManager(self)
self.quotations = quotations.QuotationManager(self)
self.credits = credits.CreditManager(self)
self.products = products.ProductManager(self)
self.health = health.HealthManager(self)
self._load_extensions(extensions)
def _load_extensions(self, extensions):
if not extensions:
return
for extension in extensions:
if extension.manager_class:
setattr(self, extension.name, extension.manager_class(self))
def authenticate(self):
"""Authenticate against the server.
Normally this is called automatically when you first access the API,
but you can call this method to force authentication right now.
Returns on success; raises :exc:`exceptions.Unauthorized` if the
credentials are wrong.
"""
warnings.warn("authenticate() method is deprecated. "
"Client automatically makes authentication call "
"in the constructor.")
def _get_keystone_client(self):
# First create a Keystone session
if self.insecure:
verify = False
else:
verify = self.cacert or True
ks_session = session.Session(verify=verify, cert=self.cert)
# Discover the supported keystone versions using the given url
ks_discover = discover.Discover(
session=ks_session, auth_url=self.auth_url)
# Inspect the auth_url to see the supported version. If both v3 and v2
# are supported, then use the highest version if possible.
v2_auth_url = ks_discover.url_for('v2.0')
v3_auth_url = ks_discover.url_for('v3.0')
if v3_auth_url:
keystone_client = ks_client.Client(
session=ks_session,
version=(3, 0),
auth_url=v3_auth_url,
username=self.username,
password=self.password,
user_id=self.user_id,
user_domain_name=self.user_domain_name,
user_domain_id=self.user_domain_id,
project_id=self.project_id or self.tenant_id,
project_name=self.project_name,
project_domain_name=self.project_domain_name,
project_domain_id=self.project_domain_id,
region_name=self.region_name)
elif v2_auth_url:
keystone_client = ks_client.Client(
session=ks_session,
version=(2, 0),
auth_url=v2_auth_url,
username=self.username,
password=self.password,
tenant_id=self.tenant_id,
tenant_name=self.tenant_name,
region_name=self.region_name,
cert=self.cert,
use_keyring=self.use_keyring,
force_new_token=self.force_new_token,
stale_duration=self.cached_token_lifetime)
else:
raise exceptions.CommandError(
'Unable to determine the Keystone version to authenticate '
'with using the given auth_url.')
keystone_client.authenticate()
return keystone_client