openstack
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python-ironicclient
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python-ironicclient/ironicclient/common/http.py

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# Copyright 2012 OpenStack LLC.
# All Rights Reserved.
#
# 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 copy
from distutils.version import StrictVersion
import hashlib
import logging
import os
import socket
import ssl
import textwrap
import time
from keystoneauth1 import adapter
from keystoneauth1 import exceptions as kexc
from oslo_serialization import jsonutils
from oslo_utils import strutils
import requests
import six
from six.moves import http_client
import six.moves.urllib.parse as urlparse
from ironicclient.common import filecache
from ironicclient.common.i18n import _
from ironicclient import exc
# NOTE(deva): Record the latest version that this client was tested with.
# We still have a lot of work to do in the client to implement
# microversion support in the client properly! See
# http://specs.openstack.org/openstack/ironic-specs/specs/kilo/api-microversions.html # noqa
# for full details.
DEFAULT_VER = '1.9'
LAST_KNOWN_API_VERSION = 47
LATEST_VERSION = '1.{}'.format(LAST_KNOWN_API_VERSION)
LOG = logging.getLogger(__name__)
USER_AGENT = 'python-ironicclient'
CHUNKSIZE = 1024 * 64 # 64kB
API_VERSION = '/v1'
API_VERSION_SELECTED_STATES = ('user', 'negotiated', 'cached', 'default')
DEFAULT_MAX_RETRIES = 5
DEFAULT_RETRY_INTERVAL = 2
SENSITIVE_HEADERS = ('X-Auth-Token',)
SUPPORTED_ENDPOINT_SCHEME = ('http', 'https')
def _trim_endpoint_api_version(url):
"""Trim API version and trailing slash from endpoint."""
return url.rstrip('/').rstrip(API_VERSION).rstrip('/')
def _extract_error_json(body):
"""Return error_message from the HTTP response body."""
try:
body_json = jsonutils.loads(body)
except ValueError:
return {}
if 'error_message' not in body_json:
return {}
try:
error_json = jsonutils.loads(body_json['error_message'])
except ValueError:
return body_json
err_msg = (error_json.get('faultstring') or error_json.get('description'))
if err_msg:
body_json['error_message'] = err_msg
return body_json
def get_server(url):
"""Extract and return the server & port."""
if url is None:
return None, None
parts = urlparse.urlparse(url)
return parts.hostname, str(parts.port)
class VersionNegotiationMixin(object):
def negotiate_version(self, conn, resp):
"""Negotiate the server version
Assumption: Called after receiving a 406 error when doing a request.
:param conn: A connection object
:param resp: The response object from http request
"""
def _query_server(conn):
if (self.os_ironic_api_version and
not isinstance(self.os_ironic_api_version, list) and
self.os_ironic_api_version != 'latest'):
base_version = ("/v%s" %
str(self.os_ironic_api_version).split('.')[0])
else:
base_version = API_VERSION
return self._make_simple_request(conn, 'GET', base_version)
version_overridden = False
if (resp and hasattr(resp, 'request') and
hasattr(resp.request, 'headers')):
orig_hdr = resp.request.headers
# Get the version of the client's last request and fallback
# to the default for things like unit tests to not cause
# migraines.
req_api_ver = orig_hdr.get('X-OpenStack-Ironic-API-Version',
self.os_ironic_api_version)
else:
req_api_ver = self.os_ironic_api_version
if (resp and req_api_ver != self.os_ironic_api_version and
self.api_version_select_state == 'negotiated'):
# If we have a non-standard api version on the request,
# but we think we've negotiated, then the call was overridden.
# We should report the error with the called version
requested_version = req_api_ver
# And then we shouldn't save the newly negotiated
# version of this negotiation because we have been
# overridden a request.
version_overridden = True
else:
requested_version = self.os_ironic_api_version
if not resp:
resp = _query_server(conn)
if self.api_version_select_state not in API_VERSION_SELECTED_STATES:
raise RuntimeError(
_('Error: self.api_version_select_state should be one of the '
'values in: "%(valid)s" but had the value: "%(value)s"') %
{'valid': ', '.join(API_VERSION_SELECTED_STATES),
'value': self.api_version_select_state})
min_ver, max_ver = self._parse_version_headers(resp)
# NOTE: servers before commit 32fb6e99 did not return version headers
# on error, so we need to perform a GET to determine
# the supported version range
if not max_ver:
LOG.debug('No version header in response, requesting from server')
resp = _query_server(conn)
min_ver, max_ver = self._parse_version_headers(resp)
# Reset the maximum version that we permit
if StrictVersion(max_ver) > StrictVersion(LATEST_VERSION):
LOG.debug("Remote API version %(max_ver)s is greater than the "
"version supported by ironicclient. Maximum available "
"version is %(client_ver)s",
{'max_ver': max_ver,
'client_ver': LATEST_VERSION})
max_ver = LATEST_VERSION
# If the user requested an explicit version or we have negotiated a
# version and still failing then error now. The server could
# support the version requested but the requested operation may not
# be supported by the requested version.
# TODO(TheJulia): We should break this method into several parts,
# such as a sanity check/error method.
if ((self.api_version_select_state == 'user' and
not self._must_negotiate_version()) or
(self.api_version_select_state == 'negotiated' and
version_overridden)):
raise exc.UnsupportedVersion(textwrap.fill(
_("Requested API version %(req)s is not supported by the "
"server, client, or the requested operation is not "
"supported by the requested version. "
"Supported version range is %(min)s to "
"%(max)s")
% {'req': requested_version,
'min': min_ver, 'max': max_ver}))
if (self.api_version_select_state == 'negotiated'):
raise exc.UnsupportedVersion(textwrap.fill(
_("No API version was specified or the requested operation "
"was not supported by the client's negotiated API version "
"%(req)s. Supported version range is: %(min)s to %(max)s")
% {'req': requested_version,
'min': min_ver, 'max': max_ver}))
if isinstance(requested_version, six.string_types):
if requested_version == 'latest':
negotiated_ver = max_ver
else:
negotiated_ver = str(
min(StrictVersion(requested_version),
StrictVersion(max_ver)))
elif isinstance(requested_version, list):
if 'latest' in requested_version:
raise ValueError(textwrap.fill(
_("The 'latest' API version can not be requested "
"in a list of versions. Please explicitly request "
"'latest' or request only versios between "
"%(min)s to %(max)s")
% {'min': min_ver, 'max': max_ver}))
versions = []
for version in requested_version:
if min_ver <= StrictVersion(version) <= max_ver:
versions.append(StrictVersion(version))
if versions:
negotiated_ver = str(max(versions))
else:
raise exc.UnsupportedVersion(textwrap.fill(
_("Requested API version specified and the requested "
"operation was not supported by the client's "
"requested API version %(req)s. Supported "
"version range is: %(min)s to %(max)s")
% {'req': requested_version,
'min': min_ver, 'max': max_ver}))
else:
raise ValueError(textwrap.fill(
_("Requested API version %(req)s type is unsupported. "
"Valid types are Strings such as '1.1', 'latest' "
"or a list of string values representing API versions.")
% {'req': requested_version}))
if StrictVersion(negotiated_ver) < StrictVersion(min_ver):
negotiated_ver = min_ver
# server handles microversions, but doesn't support
# the requested version, so try a negotiated version
self.api_version_select_state = 'negotiated'
self.os_ironic_api_version = negotiated_ver
LOG.debug('Negotiated API version is %s', negotiated_ver)
# Cache the negotiated version for this server
# TODO(vdrok): get rid of self.endpoint attribute in Stein
endpoint_override = (getattr(self, 'endpoint_override', None) or
getattr(self, 'endpoint', None))
host, port = get_server(endpoint_override)
filecache.save_data(host=host, port=port, data=negotiated_ver)
return negotiated_ver
def _generic_parse_version_headers(self, accessor_func):
min_ver = accessor_func('X-OpenStack-Ironic-API-Minimum-Version',
None)
max_ver = accessor_func('X-OpenStack-Ironic-API-Maximum-Version',
None)
return min_ver, max_ver
def _parse_version_headers(self, accessor_func):
# NOTE(jlvillal): Declared for unit testing purposes
raise NotImplementedError()
def _make_simple_request(self, conn, method, url):
# NOTE(jlvillal): Declared for unit testing purposes
raise NotImplementedError()
def _must_negotiate_version(self):
return (self.api_version_select_state == 'user' and
(self.os_ironic_api_version == 'latest' or
isinstance(self.os_ironic_api_version, list)))
_RETRY_EXCEPTIONS = (exc.Conflict, exc.ServiceUnavailable,
exc.ConnectionRefused, kexc.RetriableConnectionFailure)
def with_retries(func):
"""Wrapper for _http_request adding support for retries."""
@six.wraps(func)
def wrapper(self, url, method, **kwargs):
if self.conflict_max_retries is None:
self.conflict_max_retries = DEFAULT_MAX_RETRIES
if self.conflict_retry_interval is None:
self.conflict_retry_interval = DEFAULT_RETRY_INTERVAL
num_attempts = self.conflict_max_retries + 1
for attempt in range(1, num_attempts + 1):
try:
return func(self, url, method, **kwargs)
except _RETRY_EXCEPTIONS as error:
msg = ("Error contacting Ironic server: %(error)s. "
"Attempt %(attempt)d of %(total)d" %
{'attempt': attempt,
'total': num_attempts,
'error': error})
if attempt == num_attempts:
LOG.error(msg)
raise
else:
LOG.debug(msg)
time.sleep(self.conflict_retry_interval)
return wrapper
class HTTPClient(VersionNegotiationMixin):
def __init__(self, endpoint, **kwargs):
LOG.warning('HTTPClient class is deprecated and will be removed '
'in Stein release, please use SessionClient instead.')
self.endpoint = endpoint
self.endpoint_trimmed = _trim_endpoint_api_version(endpoint)
self.auth_token = kwargs.get('token')
self.auth_ref = kwargs.get('auth_ref')
self.os_ironic_api_version = kwargs.get('os_ironic_api_version',
DEFAULT_VER)
self.api_version_select_state = kwargs.get(
'api_version_select_state', 'default')
self.conflict_max_retries = kwargs.pop('max_retries',
DEFAULT_MAX_RETRIES)
self.conflict_retry_interval = kwargs.pop('retry_interval',
DEFAULT_RETRY_INTERVAL)
self.session = requests.Session()
parts = urlparse.urlparse(endpoint)
if parts.scheme not in SUPPORTED_ENDPOINT_SCHEME:
msg = _('Unsupported scheme: %s') % parts.scheme
raise exc.EndpointException(msg)
if parts.scheme == 'https':
if kwargs.get('insecure') is True:
self.session.verify = False
elif kwargs.get('ca_file'):
self.session.verify = kwargs['ca_file']
self.session.cert = (kwargs.get('cert_file'),
kwargs.get('key_file'))
def _process_header(self, name, value):
"""Redacts any sensitive header
Redact a header that contains sensitive information, by returning an
updated header with the sha1 hash of that value. The redacted value is
prefixed by '{SHA1}' because that's the convention used within
OpenStack.
:returns: A tuple of (name, value)
name: the safe encoding format of name
value: the redacted value if name is x-auth-token,
or the safe encoding format of name
"""
if name in SENSITIVE_HEADERS:
v = value.encode('utf-8')
h = hashlib.sha1(v)
d = h.hexdigest()
return (name, "{SHA1}%s" % d)
else:
return (name, value)
def log_curl_request(self, method, url, kwargs):
curl = ['curl -i -X %s' % method]
for (key, value) in kwargs['headers'].items():
header = '-H \'%s: %s\'' % self._process_header(key, value)
curl.append(header)
if not self.session.verify:
curl.append('-k')
elif isinstance(self.session.verify, six.string_types):
curl.append('--cacert %s' % self.session.verify)
if self.session.cert:
curl.append('--cert %s' % self.session.cert[0])
curl.append('--key %s' % self.session.cert[1])
if 'body' in kwargs:
body = strutils.mask_password(kwargs['body'])
curl.append('-d \'%s\'' % body)
curl.append(self._make_connection_url(url))
LOG.debug(' '.join(curl))
@staticmethod
def log_http_response(resp, body=None):
# NOTE(aarefiev): resp.raw is urllib3 response object, it's used
# only to get 'version', response from request with 'stream = True'
# should be used for raw reading.
status = (resp.raw.version / 10.0, resp.status_code, resp.reason)
dump = ['\nHTTP/%.1f %s %s' % status]
dump.extend(['%s: %s' % (k, v) for k, v in resp.headers.items()])
dump.append('')
if body:
body = strutils.mask_password(body)
dump.extend([body, ''])
LOG.debug('\n'.join(dump))
def _make_connection_url(self, url):
# NOTE(pas-ha) we already stripped trailing / from endpoint_trimmed
if not url.startswith('/'):
url = '/' + url
return self.endpoint_trimmed + url
def _parse_version_headers(self, resp):
return self._generic_parse_version_headers(resp.headers.get)
def _make_simple_request(self, conn, method, url):
return conn.request(method, self._make_connection_url(url))
@with_retries
def _http_request(self, url, method, **kwargs):
"""Send an http request with the specified characteristics.
Wrapper around request.Session.request to handle tasks such
as setting headers and error handling.
"""
# NOTE(TheJulia): self.os_ironic_api_version is reset in
# the self.negotiate_version() call if negotiation occurs.
if self.os_ironic_api_version and self._must_negotiate_version():
self.negotiate_version(self.session, None)
# Copy the kwargs so we can reuse the original in case of redirects
kwargs['headers'] = copy.deepcopy(kwargs.get('headers', {}))
kwargs['headers'].setdefault('User-Agent', USER_AGENT)
if self.os_ironic_api_version:
kwargs['headers'].setdefault('X-OpenStack-Ironic-API-Version',
self.os_ironic_api_version)
if self.auth_token:
kwargs['headers'].setdefault('X-Auth-Token', self.auth_token)
self.log_curl_request(method, url, kwargs)
# NOTE(aarefiev): This is for backwards compatibility, request
# expected body in 'data' field, previously we used httplib,
# which expected 'body' field.
body = kwargs.pop('body', None)
if body:
kwargs['data'] = body
conn_url = self._make_connection_url(url)
try:
resp = self.session.request(method,
conn_url,
**kwargs)
# TODO(deva): implement graceful client downgrade when connecting
# to servers that did not support microversions. Details here:
# https://specs.openstack.org/openstack/ironic-specs/specs/kilo-implemented/api-microversions.html#use-case-3b-new-client-communicating-with-a-old-ironic-user-specified # noqa
if resp.status_code == http_client.NOT_ACCEPTABLE:
negotiated_ver = self.negotiate_version(self.session, resp)
kwargs['headers']['X-OpenStack-Ironic-API-Version'] = (
negotiated_ver)
return self._http_request(url, method, **kwargs)
except requests.exceptions.RequestException as e:
message = (_("Error has occurred while handling "
"request for %(url)s: %(e)s") %
dict(url=conn_url, e=e))
# NOTE(aarefiev): not valid request(invalid url, missing schema,
# and so on), retrying is not needed.
if isinstance(e, ValueError):
raise exc.ValidationError(message)
raise exc.ConnectionRefused(message)
body_str = None
if resp.headers.get('Content-Type') == 'application/octet-stream':
body_iter = resp.iter_content(chunk_size=CHUNKSIZE)
self.log_http_response(resp)
else:
# Read body into string if it isn't obviously image data
body_str = resp.text
self.log_http_response(resp, body_str)
body_iter = six.StringIO(body_str)
if resp.status_code >= http_client.BAD_REQUEST:
error_json = _extract_error_json(body_str)
raise exc.from_response(
resp, error_json.get('error_message'),
error_json.get('debuginfo'), method, url)
elif resp.status_code in (http_client.MOVED_PERMANENTLY,
http_client.FOUND,
http_client.USE_PROXY):
# Redirected. Reissue the request to the new location.
return self._http_request(resp['location'], method, **kwargs)
elif resp.status_code == http_client.MULTIPLE_CHOICES:
raise exc.from_response(resp, method=method, url=url)
return resp, body_iter
def json_request(self, method, url, **kwargs):
kwargs.setdefault('headers', {})
kwargs['headers'].setdefault('Content-Type', 'application/json')
kwargs['headers'].setdefault('Accept', 'application/json')
if 'body' in kwargs:
kwargs['body'] = jsonutils.dump_as_bytes(kwargs['body'])
resp, body_iter = self._http_request(url, method, **kwargs)
content_type = resp.headers.get('Content-Type')
if (resp.status_code in (http_client.NO_CONTENT,
http_client.RESET_CONTENT)
or content_type is None):
return resp, list()
if 'application/json' in content_type:
body = ''.join([chunk for chunk in body_iter])
try:
body = jsonutils.loads(body)
except ValueError:
LOG.error('Could not decode response body as JSON')
else:
body = None
return resp, body
def raw_request(self, method, url, **kwargs):
kwargs.setdefault('headers', {})
kwargs['headers'].setdefault('Content-Type',
'application/octet-stream')
return self._http_request(url, method, **kwargs)
class VerifiedHTTPSConnection(six.moves.http_client.HTTPSConnection):
"""httplib-compatible connection using client-side SSL authentication
:see http://code.activestate.com/recipes/
577548-https-httplib-client-connection-with-certificate-v/
"""
def __init__(self, host, port, key_file=None, cert_file=None,
ca_file=None, timeout=None, insecure=False):
six.moves.http_client.HTTPSConnection.__init__(self, host, port,
key_file=key_file,
cert_file=cert_file)
self.key_file = key_file
self.cert_file = cert_file
if ca_file is not None:
self.ca_file = ca_file
else:
self.ca_file = self.get_system_ca_file()
self.timeout = timeout
self.insecure = insecure
def connect(self):
"""Connect to a host on a given (SSL) port.
If ca_file is pointing somewhere, use it to check Server Certificate.
Redefined/copied and extended from httplib.py:1105 (Python 2.6.x).
This is needed to pass cert_reqs=ssl.CERT_REQUIRED as parameter to
ssl.wrap_socket(), which forces SSL to check server certificate against
our client certificate.
"""
sock = socket.create_connection((self.host, self.port), self.timeout)
if self._tunnel_host:
self.sock = sock
self._tunnel()
if self.insecure is True:
kwargs = {'cert_reqs': ssl.CERT_NONE}
else:
kwargs = {'cert_reqs': ssl.CERT_REQUIRED, 'ca_certs': self.ca_file}
if self.cert_file:
kwargs['certfile'] = self.cert_file
if self.key_file:
kwargs['keyfile'] = self.key_file
self.sock = ssl.wrap_socket(sock, **kwargs)
@staticmethod
def get_system_ca_file():
"""Return path to system default CA file."""
# Standard CA file locations for Debian/Ubuntu, RedHat/Fedora,
# Suse, FreeBSD/OpenBSD
ca_path = ['/etc/ssl/certs/ca-certificates.crt',
'/etc/pki/tls/certs/ca-bundle.crt',
'/etc/ssl/ca-bundle.pem',
'/etc/ssl/cert.pem']
for ca in ca_path:
if os.path.exists(ca):
return ca
return None
class SessionClient(VersionNegotiationMixin, adapter.LegacyJsonAdapter):
"""HTTP client based on Keystone client session."""
def __init__(self,
os_ironic_api_version,
api_version_select_state,
max_retries,
retry_interval,
endpoint=None,
**kwargs):
self.os_ironic_api_version = os_ironic_api_version
self.api_version_select_state = api_version_select_state
self.conflict_max_retries = max_retries
self.conflict_retry_interval = retry_interval
# TODO(vdrok): remove this conditional in Stein
if endpoint and not kwargs.get('endpoint_override'):
LOG.warning('Passing "endpoint" argument to SessionClient '
'constructor is deprecated, such possibility will be '
'removed in Stein. Please use "endpoint_override" '
'instead.')
self.endpoint = endpoint
super(SessionClient, self).__init__(**kwargs)
def _parse_version_headers(self, resp):
return self._generic_parse_version_headers(resp.headers.get)
def _make_simple_request(self, conn, method, url):
endpoint_filter = {
'interface': self.interface,
'service_type': self.service_type,
'region_name': self.region_name
}
# NOTE: conn is self.session for this class
return conn.request(url, method, raise_exc=False,
user_agent=USER_AGENT,
endpoint_filter=endpoint_filter)
@with_retries
def _http_request(self, url, method, **kwargs):
# NOTE(TheJulia): self.os_ironic_api_version is reset in
# the self.negotiate_version() call if negotiation occurs.
if self.os_ironic_api_version and self._must_negotiate_version():
self.negotiate_version(self.session, None)
kwargs.setdefault('user_agent', USER_AGENT)
kwargs.setdefault('auth', self.auth)
if isinstance(self.endpoint_override, six.string_types):
kwargs.setdefault(
'endpoint_override',
_trim_endpoint_api_version(self.endpoint_override)
)
if getattr(self, 'os_ironic_api_version', None):
kwargs['headers'].setdefault('X-OpenStack-Ironic-API-Version',
self.os_ironic_api_version)
endpoint_filter = kwargs.setdefault('endpoint_filter', {})
endpoint_filter.setdefault('interface', self.interface)
endpoint_filter.setdefault('service_type', self.service_type)
endpoint_filter.setdefault('region_name', self.region_name)
resp = self.session.request(url, method,
raise_exc=False, **kwargs)
if resp.status_code == http_client.NOT_ACCEPTABLE:
negotiated_ver = self.negotiate_version(self.session, resp)
kwargs['headers']['X-OpenStack-Ironic-API-Version'] = (
negotiated_ver)
return self._http_request(url, method, **kwargs)
if resp.status_code >= http_client.BAD_REQUEST:
error_json = _extract_error_json(resp.content)
raise exc.from_response(resp, error_json.get('error_message'),
error_json.get('debuginfo'), method, url)
elif resp.status_code in (http_client.MOVED_PERMANENTLY,
http_client.FOUND, http_client.USE_PROXY):
# Redirected. Reissue the request to the new location.
location = resp.headers.get('location')
resp = self._http_request(location, method, **kwargs)
elif resp.status_code == http_client.MULTIPLE_CHOICES:
raise exc.from_response(resp, method=method, url=url)
return resp
def json_request(self, method, url, **kwargs):
kwargs.setdefault('headers', {})
kwargs['headers'].setdefault('Content-Type', 'application/json')
kwargs['headers'].setdefault('Accept', 'application/json')
if 'body' in kwargs:
kwargs['data'] = jsonutils.dump_as_bytes(kwargs.pop('body'))
resp = self._http_request(url, method, **kwargs)
body = resp.content
content_type = resp.headers.get('content-type', None)
status = resp.status_code
if (status in (http_client.NO_CONTENT, http_client.RESET_CONTENT) or
content_type is None):
return resp, list()
if 'application/json' in content_type:
try:
body = resp.json()
except ValueError:
LOG.error('Could not decode response body as JSON')
else:
body = None
return resp, body
def raw_request(self, method, url, **kwargs):
kwargs.setdefault('headers', {})
kwargs['headers'].setdefault('Content-Type',
'application/octet-stream')
return self._http_request(url, method, **kwargs)
def _construct_http_client(session=None,
token=None,
auth_ref=None,
os_ironic_api_version=DEFAULT_VER,
api_version_select_state='default',
max_retries=DEFAULT_MAX_RETRIES,
retry_interval=DEFAULT_RETRY_INTERVAL,
timeout=600,
ca_file=None,
cert_file=None,
key_file=None,
insecure=None,
**kwargs):
if session:
kwargs.setdefault('service_type', 'baremetal')
kwargs.setdefault('user_agent', 'python-ironicclient')
kwargs.setdefault('interface', kwargs.pop('endpoint_type',
'publicURL'))
ignored = {'token': token,
'auth_ref': auth_ref,
'timeout': timeout != 600,
'ca_file': ca_file,
'cert_file': cert_file,
'key_file': key_file,
'insecure': insecure}
dvars = [k for k, v in ignored.items() if v]
if dvars:
LOG.warning('The following arguments are ignored when using '
'the session to construct a client: %s',
', '.join(dvars))
return SessionClient(session=session,
os_ironic_api_version=os_ironic_api_version,
api_version_select_state=api_version_select_state,
max_retries=max_retries,
retry_interval=retry_interval,
**kwargs)
else:
endpoint = None
if kwargs:
endpoint = kwargs.pop('endpoint_override', None)
LOG.warning('The following arguments are being ignored when '
'constructing the client: %s'), ', '.join(kwargs)
return HTTPClient(endpoint=endpoint,
token=token,
auth_ref=auth_ref,
os_ironic_api_version=os_ironic_api_version,
api_version_select_state=api_version_select_state,
max_retries=max_retries,
retry_interval=retry_interval,
timeout=timeout,
ca_file=ca_file,
cert_file=cert_file,
key_file=key_file,
insecure=insecure)
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