1927 lines
77 KiB
Python
1927 lines
77 KiB
Python
# Copyright (c) 2010-2012 OpenStack, LLC.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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OpenStack Swift client library used internally
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"""
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import socket
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import re
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import requests
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import logging
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import warnings
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from distutils.version import StrictVersion
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from requests.exceptions import RequestException, SSLError
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from six.moves import http_client
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from six.moves.urllib.parse import quote as _quote, unquote
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from six.moves.urllib.parse import urljoin, urlparse, urlunparse
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from time import sleep, time
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import six
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from swiftclient import version as swiftclient_version
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from swiftclient.exceptions import ClientException
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from swiftclient.utils import (
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iter_wrapper, LengthWrapper, ReadableToIterable, parse_api_response,
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get_body)
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# Default is 100, increase to 256
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http_client._MAXHEADERS = 256
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VERSIONFUL_AUTH_PATH = re.compile('v[2-3](?:\.0)?$')
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AUTH_VERSIONS_V1 = ('1.0', '1', 1)
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AUTH_VERSIONS_V2 = ('2.0', '2', 2)
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AUTH_VERSIONS_V3 = ('3.0', '3', 3)
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USER_METADATA_TYPE = tuple('x-%s-meta-' % type_ for type_ in
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('container', 'account', 'object'))
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try:
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from logging import NullHandler
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except ImportError:
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# Added in Python 2.7
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class NullHandler(logging.Handler):
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def handle(self, record):
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pass
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def emit(self, record):
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pass
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def createLock(self):
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self.lock = None
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ksexceptions = ksclient_v2 = ksclient_v3 = None
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try:
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from keystoneclient import exceptions as ksexceptions
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# prevent keystoneclient warning us that it has no log handlers
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logging.getLogger('keystoneclient').addHandler(NullHandler())
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from keystoneclient.v2_0 import client as ksclient_v2
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except ImportError:
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pass
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try:
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from keystoneclient.v3 import client as ksclient_v3
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except ImportError:
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pass
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# requests version 1.2.3 try to encode headers in ascii, preventing
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# utf-8 encoded header to be 'prepared'
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if StrictVersion(requests.__version__) < StrictVersion('2.0.0'):
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from requests.structures import CaseInsensitiveDict
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def prepare_unicode_headers(self, headers):
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if headers:
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self.headers = CaseInsensitiveDict(headers)
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else:
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self.headers = CaseInsensitiveDict()
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requests.models.PreparedRequest.prepare_headers = prepare_unicode_headers
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logger = logging.getLogger("swiftclient")
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logger.addHandler(NullHandler())
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#: Default behaviour is to redact header values known to contain secrets,
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#: such as ``X-Auth-Key`` and ``X-Auth-Token``. Up to the first 16 chars
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#: may be revealed.
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#:
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#: To disable, set the value of ``redact_sensitive_headers`` to ``False``.
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#:
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#: When header redaction is enabled, ``reveal_sensitive_prefix`` configures the
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#: maximum length of any sensitive header data sent to the logs. If the header
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#: is less than twice this length, only ``int(len(value)/2)`` chars will be
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#: logged; if it is less than 15 chars long, even less will be logged.
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logger_settings = {
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'redact_sensitive_headers': True,
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'reveal_sensitive_prefix': 16
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}
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#: A list of sensitive headers to redact in logs. Note that when extending this
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#: list, the header names must be added in all lower case.
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LOGGER_SENSITIVE_HEADERS = [
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'x-auth-token', 'x-auth-key', 'x-service-token', 'x-storage-token',
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'x-account-meta-temp-url-key', 'x-account-meta-temp-url-key-2',
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'x-container-meta-temp-url-key', 'x-container-meta-temp-url-key-2',
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'set-cookie'
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]
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def safe_value(name, value):
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"""
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Only show up to logger_settings['reveal_sensitive_prefix'] characters
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from a sensitive header.
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:param name: Header name
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:param value: Header value
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:return: Safe header value
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"""
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if name.lower() in LOGGER_SENSITIVE_HEADERS:
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prefix_length = logger_settings.get('reveal_sensitive_prefix', 16)
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prefix_length = int(
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min(prefix_length, (len(value) ** 2) / 32, len(value) / 2)
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)
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redacted_value = value[0:prefix_length]
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return redacted_value + '...'
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return value
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def scrub_headers(headers):
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"""
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Redact header values that can contain sensitive information that
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should not be logged.
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:param headers: Either a dict or an iterable of two-element tuples
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:return: Safe dictionary of headers with sensitive information removed
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"""
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if isinstance(headers, dict):
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headers = headers.items()
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headers = [
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(parse_header_string(key), parse_header_string(val))
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for (key, val) in headers
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]
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if not logger_settings.get('redact_sensitive_headers', True):
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return dict(headers)
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if logger_settings.get('reveal_sensitive_prefix', 16) < 0:
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logger_settings['reveal_sensitive_prefix'] = 16
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return {key: safe_value(key, val) for (key, val) in headers}
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def http_log(args, kwargs, resp, body):
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if not logger.isEnabledFor(logging.INFO):
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return
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# create and log equivalent curl command
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string_parts = ['curl -i']
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for element in args:
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if element == 'HEAD':
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string_parts.append(' -I')
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elif element in ('GET', 'POST', 'PUT'):
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string_parts.append(' -X %s' % element)
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else:
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string_parts.append(' %s' % parse_header_string(element))
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if 'headers' in kwargs:
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headers = scrub_headers(kwargs['headers'])
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for element in headers:
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header = ' -H "%s: %s"' % (element, headers[element])
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string_parts.append(header)
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# log response as debug if good, or info if error
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if resp.status < 300:
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log_method = logger.debug
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else:
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log_method = logger.info
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log_method("REQ: %s", "".join(string_parts))
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log_method("RESP STATUS: %s %s", resp.status, resp.reason)
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log_method("RESP HEADERS: %s", scrub_headers(resp.getheaders()))
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if body:
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resp_headers = resp_header_dict(resp)
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nbody = get_body(resp_headers, body)
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log_method("RESP BODY: %s", nbody)
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def parse_header_string(data):
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if not isinstance(data, (six.text_type, six.binary_type)):
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data = str(data)
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if six.PY2:
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if isinstance(data, six.text_type):
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# Under Python2 requests only returns binary_type, but if we get
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# some stray text_type input, this should prevent unquote from
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# interpreting %-encoded data as raw code-points.
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data = data.encode('utf8')
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try:
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unquoted = unquote(data).decode('utf8')
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except UnicodeDecodeError:
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try:
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return data.decode('utf8')
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except UnicodeDecodeError:
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return quote(data).decode('utf8')
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else:
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if isinstance(data, six.binary_type):
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# Under Python3 requests only returns text_type and tosses (!) the
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# rest of the headers. If that ever changes, this should be a sane
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# approach.
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try:
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data = data.decode('ascii')
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except UnicodeDecodeError:
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data = quote(data)
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try:
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unquoted = unquote(data, errors='strict')
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except UnicodeDecodeError:
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return data
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return unquoted
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def quote(value, safe='/'):
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"""
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Patched version of urllib.quote that encodes utf8 strings before quoting.
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On Python 3, call directly urllib.parse.quote().
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"""
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if six.PY3:
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return _quote(value, safe=safe)
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return _quote(encode_utf8(value), safe)
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def encode_utf8(value):
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if type(value) in six.integer_types + (float, bool):
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# As of requests 2.11.0, headers must be byte- or unicode-strings.
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# Convert some known-good types as a convenience for developers.
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# Note that we *don't* convert subclasses, as they may have overriddden
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# __str__ or __repr__.
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# See https://github.com/kennethreitz/requests/pull/3366 for more info
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value = str(value)
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if isinstance(value, six.text_type):
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value = value.encode('utf8')
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return value
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def encode_meta_headers(headers):
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"""Only encode metadata headers keys"""
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ret = {}
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for header, value in headers.items():
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value = encode_utf8(value)
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header = header.lower()
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if (isinstance(header, six.string_types) and
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header.startswith(USER_METADATA_TYPE)):
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header = encode_utf8(header)
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ret[header] = value
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return ret
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class _ObjectBody(object):
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"""
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Readable and iterable object body response wrapper.
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"""
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def __init__(self, resp, chunk_size):
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"""
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Wrap the underlying response
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:param resp: the response to wrap
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:param chunk_size: number of bytes to return each iteration/next call
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"""
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self.resp = resp
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self.chunk_size = chunk_size
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def read(self, length=None):
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return self.resp.read(length)
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def __iter__(self):
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return self
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def next(self):
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buf = self.read(self.chunk_size)
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if not buf:
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raise StopIteration()
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return buf
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def __next__(self):
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return self.next()
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def close(self):
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self.resp.close()
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class _RetryBody(_ObjectBody):
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"""
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Wrapper for object body response which triggers a retry
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(from offset) if the connection is dropped after partially
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downloading the object.
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"""
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def __init__(self, resp, connection, container, obj,
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resp_chunk_size=None, query_string=None, response_dict=None,
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headers=None):
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"""
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Wrap the underlying response
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:param resp: the response to wrap
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:param connection: Connection class instance
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:param container: the name of the container the object is in
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:param obj: the name of object we are downloading
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:param resp_chunk_size: if defined, chunk size of data to read
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:param query_string: if set will be appended with '?' to generated path
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:param response_dict: an optional dictionary into which to place
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the response - status, reason and headers
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:param headers: an optional dictionary with additional headers to
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include in the request
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"""
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super(_RetryBody, self).__init__(resp, resp_chunk_size)
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self.expected_length = int(self.resp.getheader('Content-Length'))
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self.conn = connection
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self.container = container
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self.obj = obj
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self.query_string = query_string
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self.response_dict = response_dict
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self.headers = dict(headers) if headers is not None else {}
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self.bytes_read = 0
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def read(self, length=None):
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buf = None
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try:
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buf = self.resp.read(length)
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self.bytes_read += len(buf)
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except (socket.error, RequestException):
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if self.conn.attempts > self.conn.retries:
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raise
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if (not buf and self.bytes_read < self.expected_length and
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self.conn.attempts <= self.conn.retries):
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self.headers['Range'] = 'bytes=%d-' % self.bytes_read
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self.headers['If-Match'] = self.resp.getheader('ETag')
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hdrs, body = self.conn._retry(None, get_object,
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self.container, self.obj,
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resp_chunk_size=self.chunk_size,
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query_string=self.query_string,
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response_dict=self.response_dict,
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headers=self.headers,
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attempts=self.conn.attempts)
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expected_range = 'bytes %d-%d/%d' % (
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self.bytes_read,
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self.expected_length - 1,
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self.expected_length)
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if 'content-range' not in hdrs:
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# Server didn't respond with partial content; manually seek
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logger.warning('Received 200 while retrying %s/%s; seeking...',
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self.container, self.obj)
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to_read = self.bytes_read
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while to_read > 0:
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buf = body.resp.read(min(to_read, self.chunk_size))
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to_read -= len(buf)
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elif hdrs['content-range'] != expected_range:
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msg = ('Expected range "%s" while retrying %s/%s '
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'but got "%s"' % (expected_range, self.container,
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self.obj, hdrs['content-range']))
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raise ClientException(msg)
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self.resp = body.resp
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buf = self.read(length)
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return buf
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class HTTPConnection(object):
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def __init__(self, url, proxy=None, cacert=None, insecure=False,
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cert=None, cert_key=None, ssl_compression=False,
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default_user_agent=None, timeout=None):
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"""
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Make an HTTPConnection or HTTPSConnection
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:param url: url to connect to
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:param proxy: proxy to connect through, if any; None by default; str
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of the format 'http://127.0.0.1:8888' to set one
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:param cacert: A CA bundle file to use in verifying a TLS server
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certificate.
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:param insecure: Allow to access servers without checking SSL certs.
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The server's certificate will not be verified.
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:param cert: Client certificate file to connect on SSL server
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requiring SSL client certificate.
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:param cert_key: Client certificate private key file.
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:param ssl_compression: SSL compression should be disabled by default
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and this setting is not usable as of now. The
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parameter is kept for backward compatibility.
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:param default_user_agent: Set the User-Agent header on every request.
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If set to None (default), the user agent
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will be "python-swiftclient-<version>". This
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may be overridden on a per-request basis by
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explicitly setting the user-agent header on
|
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a call to request().
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:param timeout: socket read timeout value, passed directly to
|
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the requests library.
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:raises ClientException: Unable to handle protocol scheme
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"""
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self.url = url
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self.parsed_url = urlparse(url)
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self.host = self.parsed_url.netloc
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self.port = self.parsed_url.port
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self.requests_args = {}
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self.request_session = requests.Session()
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# Don't use requests's default headers
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self.request_session.headers = None
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self.resp = None
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if self.parsed_url.scheme not in ('http', 'https'):
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raise ClientException('Unsupported scheme "%s" in url "%s"'
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% (self.parsed_url.scheme, url))
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self.requests_args['verify'] = not insecure
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if cacert and not insecure:
|
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# verify requests parameter is used to pass the CA_BUNDLE file
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|
# see: http://docs.python-requests.org/en/latest/user/advanced/
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self.requests_args['verify'] = cacert
|
|
if cert:
|
|
# NOTE(cbrandily): cert requests parameter is used to pass client
|
|
# cert path or a tuple with client certificate/key paths.
|
|
if cert_key:
|
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self.requests_args['cert'] = cert, cert_key
|
|
else:
|
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self.requests_args['cert'] = cert
|
|
|
|
if proxy:
|
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proxy_parsed = urlparse(proxy)
|
|
if not proxy_parsed.scheme:
|
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raise ClientException("Proxy's missing scheme")
|
|
self.requests_args['proxies'] = {
|
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proxy_parsed.scheme: '%s://%s' % (
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proxy_parsed.scheme, proxy_parsed.netloc
|
|
)
|
|
}
|
|
self.requests_args['stream'] = True
|
|
if default_user_agent is None:
|
|
default_user_agent = \
|
|
'python-swiftclient-%s' % swiftclient_version.version_string
|
|
self.default_user_agent = default_user_agent
|
|
if timeout:
|
|
self.requests_args['timeout'] = timeout
|
|
|
|
def _request(self, *arg, **kwarg):
|
|
"""Final wrapper before requests call, to be patched in tests"""
|
|
return self.request_session.request(*arg, **kwarg)
|
|
|
|
def request(self, method, full_path, data=None, headers=None, files=None):
|
|
"""Encode url and header, then call requests.request"""
|
|
if headers is None:
|
|
headers = {}
|
|
else:
|
|
headers = encode_meta_headers(headers)
|
|
|
|
# set a default User-Agent header if it wasn't passed in
|
|
if 'user-agent' not in headers:
|
|
headers['user-agent'] = self.default_user_agent
|
|
url = "%s://%s%s" % (
|
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self.parsed_url.scheme,
|
|
self.parsed_url.netloc,
|
|
full_path)
|
|
self.resp = self._request(method, url, headers=headers, data=data,
|
|
files=files, **self.requests_args)
|
|
return self.resp
|
|
|
|
def putrequest(self, full_path, data=None, headers=None, files=None):
|
|
"""
|
|
Use python-requests files upload
|
|
|
|
:param data: Use data generator for chunked-transfer
|
|
:param files: Use files for default transfer
|
|
"""
|
|
return self.request('PUT', full_path, data, headers, files)
|
|
|
|
def getresponse(self):
|
|
"""Adapt requests response to httplib interface"""
|
|
self.resp.status = self.resp.status_code
|
|
old_getheader = self.resp.raw.getheader
|
|
|
|
def _decode_header(string):
|
|
if string is None or six.PY2:
|
|
return string
|
|
return string.encode('iso-8859-1').decode('utf-8')
|
|
|
|
def _encode_header(string):
|
|
if string is None or six.PY2:
|
|
return string
|
|
return string.encode('utf-8').decode('iso-8859-1')
|
|
|
|
def getheaders():
|
|
return [(_decode_header(k), _decode_header(v))
|
|
for k, v in self.resp.headers.items()]
|
|
|
|
def getheader(k, v=None):
|
|
return _decode_header(old_getheader(
|
|
_encode_header(k.lower()), _encode_header(v)))
|
|
|
|
def releasing_read(*args, **kwargs):
|
|
chunk = self.resp.raw.read(*args, **kwargs)
|
|
if not chunk:
|
|
# NOTE(sigmavirus24): Release the connection back to the
|
|
# urllib3's connection pool. This will reduce the number of
|
|
# log messages seen in bug #1341777. This does not actually
|
|
# close a socket. It will also prevent people from being
|
|
# mislead as to the cause of a bug as in bug #1424732.
|
|
self.resp.close()
|
|
return chunk
|
|
|
|
self.resp.getheaders = getheaders
|
|
self.resp.getheader = getheader
|
|
self.resp.read = releasing_read
|
|
|
|
return self.resp
|
|
|
|
def close(self):
|
|
if self.resp:
|
|
self.resp.close()
|
|
self.request_session.close()
|
|
|
|
|
|
def http_connection(*arg, **kwarg):
|
|
""":returns: tuple of (parsed url, connection object)"""
|
|
conn = HTTPConnection(*arg, **kwarg)
|
|
return conn.parsed_url, conn
|
|
|
|
|
|
def get_auth_1_0(url, user, key, snet, **kwargs):
|
|
cacert = kwargs.get('cacert', None)
|
|
insecure = kwargs.get('insecure', False)
|
|
cert = kwargs.get('cert')
|
|
cert_key = kwargs.get('cert_key')
|
|
timeout = kwargs.get('timeout', None)
|
|
parsed, conn = http_connection(url, cacert=cacert, insecure=insecure,
|
|
cert=cert, cert_key=cert_key,
|
|
timeout=timeout)
|
|
method = 'GET'
|
|
headers = {'X-Auth-User': user, 'X-Auth-Key': key}
|
|
conn.request(method, parsed.path, '', headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
resp.close()
|
|
conn.close()
|
|
http_log((url, method,), headers, resp, body)
|
|
url = resp.getheader('x-storage-url')
|
|
|
|
# There is a side-effect on current Rackspace 1.0 server where a
|
|
# bad URL would get you that document page and a 200. We error out
|
|
# if we don't have a x-storage-url header and if we get a body.
|
|
if resp.status < 200 or resp.status >= 300 or (body and not url):
|
|
raise ClientException.from_response(resp, 'Auth GET failed', body)
|
|
if snet:
|
|
parsed = list(urlparse(url))
|
|
# Second item in the list is the netloc
|
|
netloc = parsed[1]
|
|
parsed[1] = 'snet-' + netloc
|
|
url = urlunparse(parsed)
|
|
|
|
token = resp.getheader('x-storage-token', resp.getheader('x-auth-token'))
|
|
return url, token
|
|
|
|
|
|
def get_keystoneclient_2_0(auth_url, user, key, os_options, **kwargs):
|
|
# this function is only here to preserve the historic 'public'
|
|
# interface of this module
|
|
kwargs.update({'auth_version': '2.0'})
|
|
return get_auth_keystone(auth_url, user, key, os_options, **kwargs)
|
|
|
|
|
|
def get_auth_keystone(auth_url, user, key, os_options, **kwargs):
|
|
"""
|
|
Authenticate against a keystone server.
|
|
|
|
We are using the keystoneclient library for authentication.
|
|
"""
|
|
|
|
insecure = kwargs.get('insecure', False)
|
|
timeout = kwargs.get('timeout', None)
|
|
auth_version = kwargs.get('auth_version', None)
|
|
debug = logger.isEnabledFor(logging.DEBUG)
|
|
|
|
# Add the version suffix in case of versionless Keystone endpoints. If
|
|
# auth_version is also unset it is likely that it is v3
|
|
if not VERSIONFUL_AUTH_PATH.match(
|
|
urlparse(auth_url).path.rstrip('/').rsplit('/', 1)[-1]):
|
|
# Normalize auth_url to end in a slash because urljoin
|
|
auth_url = auth_url.rstrip('/') + '/'
|
|
if auth_version and auth_version in AUTH_VERSIONS_V2:
|
|
auth_url = urljoin(auth_url, "v2.0")
|
|
else:
|
|
auth_url = urljoin(auth_url, "v3")
|
|
auth_version = '3'
|
|
logger.debug("Versionless auth_url - using %s as endpoint" % auth_url)
|
|
|
|
# Legacy default if not set
|
|
if auth_version is None:
|
|
auth_version = '2'
|
|
|
|
ksclient = None
|
|
if auth_version in AUTH_VERSIONS_V3:
|
|
if ksclient_v3 is not None:
|
|
ksclient = ksclient_v3
|
|
else:
|
|
if ksclient_v2 is not None:
|
|
ksclient = ksclient_v2
|
|
|
|
if ksclient is None:
|
|
raise ClientException('''
|
|
Auth versions 2.0 and 3 require python-keystoneclient, install it or use Auth
|
|
version 1.0 which requires ST_AUTH, ST_USER, and ST_KEY environment
|
|
variables to be set or overridden with -A, -U, or -K.''')
|
|
|
|
try:
|
|
_ksclient = ksclient.Client(
|
|
username=user,
|
|
password=key,
|
|
token=os_options.get('auth_token'),
|
|
tenant_name=os_options.get('tenant_name'),
|
|
tenant_id=os_options.get('tenant_id'),
|
|
user_id=os_options.get('user_id'),
|
|
user_domain_name=os_options.get('user_domain_name'),
|
|
user_domain_id=os_options.get('user_domain_id'),
|
|
project_name=os_options.get('project_name'),
|
|
project_id=os_options.get('project_id'),
|
|
project_domain_name=os_options.get('project_domain_name'),
|
|
project_domain_id=os_options.get('project_domain_id'),
|
|
debug=debug,
|
|
cacert=kwargs.get('cacert'),
|
|
cert=kwargs.get('cert'),
|
|
key=kwargs.get('cert_key'),
|
|
auth_url=auth_url, insecure=insecure, timeout=timeout)
|
|
except ksexceptions.Unauthorized:
|
|
msg = 'Unauthorized. Check username, password and tenant name/id.'
|
|
if auth_version in AUTH_VERSIONS_V3:
|
|
msg = ('Unauthorized. Check username/id, password, '
|
|
'tenant name/id and user/tenant domain name/id.')
|
|
raise ClientException(msg)
|
|
except ksexceptions.AuthorizationFailure as err:
|
|
raise ClientException('Authorization Failure. %s' % err)
|
|
service_type = os_options.get('service_type') or 'object-store'
|
|
endpoint_type = os_options.get('endpoint_type') or 'publicURL'
|
|
try:
|
|
filter_kwargs = {}
|
|
if os_options.get('region_name'):
|
|
filter_kwargs['attr'] = 'region'
|
|
filter_kwargs['filter_value'] = os_options['region_name']
|
|
endpoint = _ksclient.service_catalog.url_for(
|
|
service_type=service_type,
|
|
endpoint_type=endpoint_type,
|
|
**filter_kwargs)
|
|
except ksexceptions.EndpointNotFound:
|
|
raise ClientException('Endpoint for %s not found - '
|
|
'have you specified a region?' % service_type)
|
|
return endpoint, _ksclient.auth_token
|
|
|
|
|
|
def get_auth(auth_url, user, key, **kwargs):
|
|
"""
|
|
Get authentication/authorization credentials.
|
|
|
|
:kwarg auth_version: the api version of the supplied auth params
|
|
:kwarg os_options: a dict, the openstack identity service options
|
|
|
|
:returns: a tuple, (storage_url, token)
|
|
|
|
N.B. if the optional os_options parameter includes a non-empty
|
|
'object_storage_url' key it will override the default storage url returned
|
|
by the auth service.
|
|
|
|
The snet parameter is used for Rackspace's ServiceNet internal network
|
|
implementation. In this function, it simply adds *snet-* to the beginning
|
|
of the host name for the returned storage URL. With Rackspace Cloud Files,
|
|
use of this network path causes no bandwidth charges but requires the
|
|
client to be running on Rackspace's ServiceNet network.
|
|
"""
|
|
session = kwargs.get('session', None)
|
|
auth_version = kwargs.get('auth_version', '1')
|
|
os_options = kwargs.get('os_options', {})
|
|
|
|
cacert = kwargs.get('cacert', None)
|
|
insecure = kwargs.get('insecure', False)
|
|
cert = kwargs.get('cert')
|
|
cert_key = kwargs.get('cert_key')
|
|
timeout = kwargs.get('timeout', None)
|
|
|
|
if session:
|
|
service_type = os_options.get('service_type', 'object-store')
|
|
interface = os_options.get('endpoint_type', 'public')
|
|
region_name = os_options.get('region_name')
|
|
storage_url = session.get_endpoint(service_type=service_type,
|
|
interface=interface,
|
|
region_name=region_name)
|
|
token = session.get_token()
|
|
elif auth_version in AUTH_VERSIONS_V1:
|
|
storage_url, token = get_auth_1_0(auth_url,
|
|
user,
|
|
key,
|
|
kwargs.get('snet'),
|
|
cacert=cacert,
|
|
insecure=insecure,
|
|
cert=cert,
|
|
cert_key=cert_key,
|
|
timeout=timeout)
|
|
elif auth_version in AUTH_VERSIONS_V2 + AUTH_VERSIONS_V3:
|
|
# We are handling a special use case here where the user argument
|
|
# specifies both the user name and tenant name in the form tenant:user
|
|
if user and not kwargs.get('tenant_name') and ':' in user:
|
|
os_options['tenant_name'], user = user.split(':')
|
|
|
|
# We are allowing to have a tenant_name argument in get_auth
|
|
# directly without having os_options
|
|
if kwargs.get('tenant_name'):
|
|
os_options['tenant_name'] = kwargs['tenant_name']
|
|
|
|
if not (os_options.get('tenant_name') or os_options.get('tenant_id') or
|
|
os_options.get('project_name') or
|
|
os_options.get('project_id')):
|
|
if auth_version in AUTH_VERSIONS_V2:
|
|
raise ClientException('No tenant specified')
|
|
raise ClientException('No project name or project id specified.')
|
|
|
|
storage_url, token = get_auth_keystone(auth_url, user,
|
|
key, os_options,
|
|
cacert=cacert,
|
|
insecure=insecure,
|
|
cert=cert,
|
|
cert_key=cert_key,
|
|
timeout=timeout,
|
|
auth_version=auth_version)
|
|
else:
|
|
raise ClientException('Unknown auth_version %s specified and no '
|
|
'session found.' % auth_version)
|
|
|
|
# Override storage url, if necessary
|
|
if os_options.get('object_storage_url'):
|
|
return os_options['object_storage_url'], token
|
|
else:
|
|
return storage_url, token
|
|
|
|
|
|
def resp_header_dict(resp):
|
|
resp_headers = {}
|
|
for header, value in resp.getheaders():
|
|
header = parse_header_string(header).lower()
|
|
resp_headers[header] = parse_header_string(value)
|
|
return resp_headers
|
|
|
|
|
|
def store_response(resp, response_dict):
|
|
"""
|
|
store information about an operation into a dict
|
|
|
|
:param resp: an http response object containing the response
|
|
headers
|
|
:param response_dict: a dict into which are placed the
|
|
status, reason and a dict of lower-cased headers
|
|
"""
|
|
if response_dict is not None:
|
|
response_dict['status'] = resp.status
|
|
response_dict['reason'] = resp.reason
|
|
response_dict['headers'] = resp_header_dict(resp)
|
|
|
|
|
|
def get_account(url, token, marker=None, limit=None, prefix=None,
|
|
end_marker=None, http_conn=None, full_listing=False,
|
|
service_token=None, headers=None, delimiter=None):
|
|
"""
|
|
Get a listing of containers for the account.
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param marker: marker query
|
|
:param limit: limit query
|
|
:param prefix: prefix query
|
|
:param end_marker: end_marker query
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param full_listing: if True, return a full listing, else returns a max
|
|
of 10000 listings
|
|
:param service_token: service auth token
|
|
:param headers: additional headers to include in the request
|
|
:param delimiter: delimiter query
|
|
:returns: a tuple of (response headers, a list of containers) The response
|
|
headers will be a dict and all header names will be lowercase.
|
|
:raises ClientException: HTTP GET request failed
|
|
"""
|
|
req_headers = {'X-Auth-Token': token, 'Accept-Encoding': 'gzip'}
|
|
if service_token:
|
|
req_headers['X-Service-Token'] = service_token
|
|
if headers:
|
|
req_headers.update(headers)
|
|
|
|
if not http_conn:
|
|
http_conn = http_connection(url)
|
|
if full_listing:
|
|
rv = get_account(url, token, marker, limit, prefix, end_marker,
|
|
http_conn, headers=req_headers, delimiter=delimiter)
|
|
listing = rv[1]
|
|
while listing:
|
|
marker = listing[-1]['name']
|
|
listing = get_account(url, token, marker, limit, prefix,
|
|
end_marker, http_conn, headers=req_headers,
|
|
delimiter=delimiter)[1]
|
|
if listing:
|
|
rv[1].extend(listing)
|
|
return rv
|
|
parsed, conn = http_conn
|
|
qs = 'format=json'
|
|
if marker:
|
|
qs += '&marker=%s' % quote(marker)
|
|
if limit:
|
|
qs += '&limit=%d' % limit
|
|
if prefix:
|
|
qs += '&prefix=%s' % quote(prefix)
|
|
if delimiter:
|
|
qs += '&delimiter=%s' % quote(delimiter)
|
|
if end_marker:
|
|
qs += '&end_marker=%s' % quote(end_marker)
|
|
full_path = '%s?%s' % (parsed.path, qs)
|
|
method = 'GET'
|
|
conn.request(method, full_path, '', req_headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log(("%s?%s" % (url, qs), method,), {'headers': req_headers},
|
|
resp, body)
|
|
|
|
resp_headers = resp_header_dict(resp)
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(resp, 'Account GET failed', body)
|
|
if resp.status == 204:
|
|
return resp_headers, []
|
|
return resp_headers, parse_api_response(resp_headers, body)
|
|
|
|
|
|
def head_account(url, token, http_conn=None, headers=None,
|
|
service_token=None):
|
|
"""
|
|
Get account stats.
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param headers: additional headers to include in the request
|
|
:param service_token: service auth token
|
|
:returns: a dict containing the response's headers (all header names will
|
|
be lowercase)
|
|
:raises ClientException: HTTP HEAD request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url)
|
|
method = "HEAD"
|
|
req_headers = {'X-Auth-Token': token}
|
|
if service_token:
|
|
req_headers['X-Service-Token'] = service_token
|
|
if headers:
|
|
req_headers.update(headers)
|
|
|
|
conn.request(method, parsed.path, '', req_headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log((url, method,), {'headers': req_headers}, resp, body)
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(resp, 'Account HEAD failed', body)
|
|
resp_headers = resp_header_dict(resp)
|
|
return resp_headers
|
|
|
|
|
|
def post_account(url, token, headers, http_conn=None, response_dict=None,
|
|
service_token=None, query_string=None, data=None):
|
|
"""
|
|
Update an account's metadata.
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param headers: additional headers to include in the request
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param response_dict: an optional dictionary into which to place
|
|
the response - status, reason and headers
|
|
:param service_token: service auth token
|
|
:param query_string: if set will be appended with '?' to generated path
|
|
:param data: an optional message body for the request
|
|
:raises ClientException: HTTP POST request failed
|
|
:returns: resp_headers, body
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url)
|
|
method = 'POST'
|
|
path = parsed.path
|
|
if query_string:
|
|
path += '?' + query_string
|
|
req_headers = {'X-Auth-Token': token}
|
|
if service_token:
|
|
req_headers['X-Service-Token'] = service_token
|
|
if headers:
|
|
req_headers.update(headers)
|
|
conn.request(method, path, data, req_headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log((url, method,), {'headers': req_headers}, resp, body)
|
|
|
|
store_response(resp, response_dict)
|
|
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(resp, 'Account POST failed', body)
|
|
resp_headers = {}
|
|
for header, value in resp.getheaders():
|
|
resp_headers[header.lower()] = value
|
|
return resp_headers, body
|
|
|
|
|
|
def get_container(url, token, container, marker=None, limit=None,
|
|
prefix=None, delimiter=None, end_marker=None,
|
|
path=None, http_conn=None,
|
|
full_listing=False, service_token=None, headers=None,
|
|
query_string=None):
|
|
"""
|
|
Get a listing of objects for the container.
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param container: container name to get a listing for
|
|
:param marker: marker query
|
|
:param limit: limit query
|
|
:param prefix: prefix query
|
|
:param delimiter: string to delimit the queries on
|
|
:param end_marker: marker query
|
|
:param path: path query (equivalent: "delimiter=/" and "prefix=path/")
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param full_listing: if True, return a full listing, else returns a max
|
|
of 10000 listings
|
|
:param service_token: service auth token
|
|
:param headers: additional headers to include in the request
|
|
:param query_string: if set will be appended with '?' to generated path
|
|
:returns: a tuple of (response headers, a list of objects) The response
|
|
headers will be a dict and all header names will be lowercase.
|
|
:raises ClientException: HTTP GET request failed
|
|
"""
|
|
if not http_conn:
|
|
http_conn = http_connection(url)
|
|
if full_listing:
|
|
rv = get_container(url, token, container, marker, limit, prefix,
|
|
delimiter, end_marker, path, http_conn,
|
|
service_token=service_token, headers=headers)
|
|
listing = rv[1]
|
|
while listing:
|
|
if not delimiter:
|
|
marker = listing[-1]['name']
|
|
else:
|
|
marker = listing[-1].get('name', listing[-1].get('subdir'))
|
|
listing = get_container(url, token, container, marker, limit,
|
|
prefix, delimiter, end_marker, path,
|
|
http_conn, service_token=service_token,
|
|
headers=headers)[1]
|
|
if listing:
|
|
rv[1].extend(listing)
|
|
return rv
|
|
parsed, conn = http_conn
|
|
cont_path = '%s/%s' % (parsed.path, quote(container))
|
|
qs = 'format=json'
|
|
if marker:
|
|
qs += '&marker=%s' % quote(marker)
|
|
if limit:
|
|
qs += '&limit=%d' % limit
|
|
if prefix:
|
|
qs += '&prefix=%s' % quote(prefix)
|
|
if delimiter:
|
|
qs += '&delimiter=%s' % quote(delimiter)
|
|
if end_marker:
|
|
qs += '&end_marker=%s' % quote(end_marker)
|
|
if path:
|
|
qs += '&path=%s' % quote(path)
|
|
if query_string:
|
|
qs += '&%s' % query_string.lstrip('?')
|
|
req_headers = {'X-Auth-Token': token, 'Accept-Encoding': 'gzip'}
|
|
if service_token:
|
|
req_headers['X-Service-Token'] = service_token
|
|
if headers:
|
|
req_headers.update(headers)
|
|
method = 'GET'
|
|
conn.request(method, '%s?%s' % (cont_path, qs), '', req_headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log(('%(url)s%(cont_path)s?%(qs)s' %
|
|
{'url': url.replace(parsed.path, ''),
|
|
'cont_path': cont_path,
|
|
'qs': qs}, method,),
|
|
{'headers': req_headers}, resp, body)
|
|
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(resp, 'Container GET failed', body)
|
|
resp_headers = resp_header_dict(resp)
|
|
if resp.status == 204:
|
|
return resp_headers, []
|
|
return resp_headers, parse_api_response(resp_headers, body)
|
|
|
|
|
|
def head_container(url, token, container, http_conn=None, headers=None,
|
|
service_token=None):
|
|
"""
|
|
Get container stats.
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param container: container name to get stats for
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param headers: additional headers to include in the request
|
|
:param service_token: service auth token
|
|
:returns: a dict containing the response's headers (all header names will
|
|
be lowercase)
|
|
:raises ClientException: HTTP HEAD request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url)
|
|
path = '%s/%s' % (parsed.path, quote(container))
|
|
method = 'HEAD'
|
|
req_headers = {'X-Auth-Token': token}
|
|
if service_token:
|
|
req_headers['X-Service-Token'] = service_token
|
|
if headers:
|
|
req_headers.update(headers)
|
|
conn.request(method, path, '', req_headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), method,),
|
|
{'headers': req_headers}, resp, body)
|
|
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(
|
|
resp, 'Container HEAD failed', body)
|
|
resp_headers = resp_header_dict(resp)
|
|
return resp_headers
|
|
|
|
|
|
def put_container(url, token, container, headers=None, http_conn=None,
|
|
response_dict=None, service_token=None, query_string=None):
|
|
"""
|
|
Create a container
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param container: container name to create
|
|
:param headers: additional headers to include in the request
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param response_dict: an optional dictionary into which to place
|
|
the response - status, reason and headers
|
|
:param service_token: service auth token
|
|
:param query_string: if set will be appended with '?' to generated path
|
|
:raises ClientException: HTTP PUT request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url)
|
|
path = '%s/%s' % (parsed.path, quote(container))
|
|
method = 'PUT'
|
|
req_headers = {'X-Auth-Token': token}
|
|
if service_token:
|
|
req_headers['X-Service-Token'] = service_token
|
|
if headers:
|
|
req_headers.update(headers)
|
|
if 'content-length' not in (k.lower() for k in req_headers):
|
|
req_headers['Content-Length'] = '0'
|
|
if query_string:
|
|
path += '?' + query_string.lstrip('?')
|
|
conn.request(method, path, '', req_headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
|
|
store_response(resp, response_dict)
|
|
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), method,),
|
|
{'headers': req_headers}, resp, body)
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(resp, 'Container PUT failed', body)
|
|
|
|
|
|
def post_container(url, token, container, headers, http_conn=None,
|
|
response_dict=None, service_token=None):
|
|
"""
|
|
Update a container's metadata.
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param container: container name to update
|
|
:param headers: additional headers to include in the request
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param response_dict: an optional dictionary into which to place
|
|
the response - status, reason and headers
|
|
:param service_token: service auth token
|
|
:raises ClientException: HTTP POST request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url)
|
|
path = '%s/%s' % (parsed.path, quote(container))
|
|
method = 'POST'
|
|
req_headers = {'X-Auth-Token': token}
|
|
if service_token:
|
|
req_headers['X-Service-Token'] = service_token
|
|
if headers:
|
|
req_headers.update(headers)
|
|
if 'content-length' not in (k.lower() for k in headers):
|
|
req_headers['Content-Length'] = '0'
|
|
conn.request(method, path, '', req_headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), method,),
|
|
{'headers': req_headers}, resp, body)
|
|
|
|
store_response(resp, response_dict)
|
|
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(
|
|
resp, 'Container POST failed', body)
|
|
|
|
|
|
def delete_container(url, token, container, http_conn=None,
|
|
response_dict=None, service_token=None,
|
|
query_string=None, headers=None):
|
|
"""
|
|
Delete a container
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param container: container name to delete
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param response_dict: an optional dictionary into which to place
|
|
the response - status, reason and headers
|
|
:param service_token: service auth token
|
|
:param query_string: if set will be appended with '?' to generated path
|
|
:param headers: additional headers to include in the request
|
|
:raises ClientException: HTTP DELETE request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url)
|
|
path = '%s/%s' % (parsed.path, quote(container))
|
|
if headers:
|
|
headers = dict(headers)
|
|
else:
|
|
headers = {}
|
|
|
|
headers['X-Auth-Token'] = token
|
|
if service_token:
|
|
headers['X-Service-Token'] = service_token
|
|
if query_string:
|
|
path += '?' + query_string.lstrip('?')
|
|
method = 'DELETE'
|
|
conn.request(method, path, '', headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), method,),
|
|
{'headers': headers}, resp, body)
|
|
|
|
store_response(resp, response_dict)
|
|
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(
|
|
resp, 'Container DELETE failed', body)
|
|
|
|
|
|
def get_object(url, token, container, name, http_conn=None,
|
|
resp_chunk_size=None, query_string=None,
|
|
response_dict=None, headers=None, service_token=None):
|
|
"""
|
|
Get an object
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param container: container name that the object is in
|
|
:param name: object name to get
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param resp_chunk_size: if defined, chunk size of data to read. NOTE: If
|
|
you specify a resp_chunk_size you must fully read
|
|
the object's contents before making another
|
|
request.
|
|
:param query_string: if set will be appended with '?' to generated path
|
|
:param response_dict: an optional dictionary into which to place
|
|
the response - status, reason and headers
|
|
:param headers: an optional dictionary with additional headers to include
|
|
in the request
|
|
:param service_token: service auth token
|
|
:returns: a tuple of (response headers, the object's contents) The response
|
|
headers will be a dict and all header names will be lowercase.
|
|
:raises ClientException: HTTP GET request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url)
|
|
path = '%s/%s/%s' % (parsed.path, quote(container), quote(name))
|
|
if query_string:
|
|
path += '?' + query_string
|
|
method = 'GET'
|
|
headers = headers.copy() if headers else {}
|
|
headers['X-Auth-Token'] = token
|
|
if service_token:
|
|
headers['X-Service-Token'] = service_token
|
|
conn.request(method, path, '', headers)
|
|
resp = conn.getresponse()
|
|
|
|
parsed_response = {}
|
|
store_response(resp, parsed_response)
|
|
if response_dict is not None:
|
|
response_dict.update(parsed_response)
|
|
|
|
if resp.status < 200 or resp.status >= 300:
|
|
body = resp.read()
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), method,),
|
|
{'headers': headers}, resp, body)
|
|
raise ClientException.from_response(resp, 'Object GET failed', body)
|
|
if resp_chunk_size:
|
|
object_body = _ObjectBody(resp, resp_chunk_size)
|
|
else:
|
|
object_body = resp.read()
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), method,),
|
|
{'headers': headers}, resp, None)
|
|
|
|
return parsed_response['headers'], object_body
|
|
|
|
|
|
def head_object(url, token, container, name, http_conn=None,
|
|
service_token=None, headers=None, query_string=None):
|
|
"""
|
|
Get object info
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param container: container name that the object is in
|
|
:param name: object name to get info for
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param service_token: service auth token
|
|
:param headers: additional headers to include in the request
|
|
:returns: a dict containing the response's headers (all header names will
|
|
be lowercase)
|
|
:raises ClientException: HTTP HEAD request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url)
|
|
path = '%s/%s/%s' % (parsed.path, quote(container), quote(name))
|
|
if query_string:
|
|
path += '?' + query_string
|
|
if headers:
|
|
headers = dict(headers)
|
|
else:
|
|
headers = {}
|
|
headers['X-Auth-Token'] = token
|
|
method = 'HEAD'
|
|
if service_token:
|
|
headers['X-Service-Token'] = service_token
|
|
conn.request(method, path, '', headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), method,),
|
|
{'headers': headers}, resp, body)
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(resp, 'Object HEAD failed', body)
|
|
resp_headers = resp_header_dict(resp)
|
|
return resp_headers
|
|
|
|
|
|
def put_object(url, token=None, container=None, name=None, contents=None,
|
|
content_length=None, etag=None, chunk_size=None,
|
|
content_type=None, headers=None, http_conn=None, proxy=None,
|
|
query_string=None, response_dict=None, service_token=None):
|
|
"""
|
|
Put an object
|
|
|
|
:param url: storage URL
|
|
:param token: auth token; if None, no token will be sent
|
|
:param container: container name that the object is in; if None, the
|
|
container name is expected to be part of the url
|
|
:param name: object name to put; if None, the object name is expected to be
|
|
part of the url
|
|
:param contents: a string, a file-like object or an iterable
|
|
to read object data from;
|
|
if None, a zero-byte put will be done
|
|
:param content_length: value to send as content-length header; also limits
|
|
the amount read from contents; if None, it will be
|
|
computed via the contents or chunked transfer
|
|
encoding will be used
|
|
:param etag: etag of contents; if None, no etag will be sent
|
|
:param chunk_size: chunk size of data to write; it defaults to 65536;
|
|
used only if the contents object has a 'read'
|
|
method, e.g. file-like objects, ignored otherwise
|
|
|
|
:param content_type: value to send as content-type header, overriding any
|
|
value included in the headers param; if None and no
|
|
value is found in the headers param, an empty string
|
|
value will be sent
|
|
:param headers: additional headers to include in the request, if any
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param proxy: proxy to connect through, if any; None by default; str of the
|
|
format 'http://127.0.0.1:8888' to set one
|
|
:param query_string: if set will be appended with '?' to generated path
|
|
:param response_dict: an optional dictionary into which to place
|
|
the response - status, reason and headers
|
|
:param service_token: service auth token
|
|
:returns: etag
|
|
:raises ClientException: HTTP PUT request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url, proxy=proxy)
|
|
path = parsed.path
|
|
if container:
|
|
path = '%s/%s' % (path.rstrip('/'), quote(container))
|
|
if name:
|
|
path = '%s/%s' % (path.rstrip('/'), quote(name))
|
|
if query_string:
|
|
path += '?' + query_string
|
|
if headers:
|
|
headers = dict(headers)
|
|
else:
|
|
headers = {}
|
|
if token:
|
|
headers['X-Auth-Token'] = token
|
|
if service_token:
|
|
headers['X-Service-Token'] = service_token
|
|
if etag:
|
|
headers['ETag'] = etag.strip('"')
|
|
if content_length is not None:
|
|
headers['Content-Length'] = str(content_length)
|
|
else:
|
|
for n, v in headers.items():
|
|
if n.lower() == 'content-length':
|
|
content_length = int(v)
|
|
if content_type is not None:
|
|
headers['Content-Type'] = content_type
|
|
elif 'Content-Type' not in headers:
|
|
if StrictVersion(requests.__version__) < StrictVersion('2.4.0'):
|
|
# python-requests sets application/x-www-form-urlencoded otherwise
|
|
# if using python3.
|
|
headers['Content-Type'] = ''
|
|
if not contents:
|
|
headers['Content-Length'] = '0'
|
|
|
|
if isinstance(contents, (ReadableToIterable, LengthWrapper)):
|
|
conn.putrequest(path, headers=headers, data=contents)
|
|
elif hasattr(contents, 'read'):
|
|
if chunk_size is None:
|
|
chunk_size = 65536
|
|
|
|
if content_length is None:
|
|
data = ReadableToIterable(contents, chunk_size, md5=False)
|
|
else:
|
|
data = LengthWrapper(contents, content_length, md5=False)
|
|
|
|
conn.putrequest(path, headers=headers, data=data)
|
|
else:
|
|
if chunk_size is not None:
|
|
warn_msg = ('%s object has no "read" method, ignoring chunk_size'
|
|
% type(contents).__name__)
|
|
warnings.warn(warn_msg, stacklevel=2)
|
|
# Match requests's is_stream test
|
|
if hasattr(contents, '__iter__') and not isinstance(contents, (
|
|
six.text_type, six.binary_type, list, tuple, dict)):
|
|
contents = iter_wrapper(contents)
|
|
conn.request('PUT', path, contents, headers)
|
|
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), 'PUT',),
|
|
{'headers': headers}, resp, body)
|
|
|
|
store_response(resp, response_dict)
|
|
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(resp, 'Object PUT failed', body)
|
|
|
|
etag = resp.getheader('etag', '').strip('"')
|
|
return etag
|
|
|
|
|
|
def post_object(url, token, container, name, headers, http_conn=None,
|
|
response_dict=None, service_token=None):
|
|
"""
|
|
Update object metadata
|
|
|
|
:param url: storage URL
|
|
:param token: auth token
|
|
:param container: container name that the object is in
|
|
:param name: name of the object to update
|
|
:param headers: additional headers to include in the request
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param response_dict: an optional dictionary into which to place
|
|
the response - status, reason and headers
|
|
:param service_token: service auth token
|
|
:raises ClientException: HTTP POST request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url)
|
|
path = '%s/%s/%s' % (parsed.path, quote(container), quote(name))
|
|
req_headers = {'X-Auth-Token': token}
|
|
if service_token:
|
|
req_headers['X-Service-Token'] = service_token
|
|
if headers:
|
|
req_headers.update(headers)
|
|
conn.request('POST', path, '', req_headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), 'POST',),
|
|
{'headers': req_headers}, resp, body)
|
|
|
|
store_response(resp, response_dict)
|
|
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(resp, 'Object POST failed', body)
|
|
|
|
|
|
def copy_object(url, token, container, name, destination=None,
|
|
headers=None, fresh_metadata=None, http_conn=None,
|
|
response_dict=None, service_token=None):
|
|
"""
|
|
Copy object
|
|
|
|
:param url: storage URL
|
|
:param token: auth token; if None, no token will be sent
|
|
:param container: container name that the source object is in
|
|
:param name: source object name
|
|
:param destination: The container and object name of the destination object
|
|
in the form of /container/object; if None, the copy
|
|
will use the source as the destination.
|
|
:param headers: additional headers to include in the request
|
|
:param fresh_metadata: Enables object creation that omits existing user
|
|
metadata, default None
|
|
:param http_conn: HTTP connection object (If None, it will create the
|
|
conn object)
|
|
:param response_dict: an optional dictionary into which to place
|
|
the response - status, reason and headers
|
|
:param service_token: service auth token
|
|
:raises ClientException: HTTP COPY request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url)
|
|
|
|
path = parsed.path
|
|
container = quote(container)
|
|
name = quote(name)
|
|
path = '%s/%s/%s' % (path.rstrip('/'), container, name)
|
|
|
|
headers = dict(headers) if headers else {}
|
|
|
|
if destination is not None:
|
|
headers['Destination'] = quote(destination)
|
|
elif container and name:
|
|
headers['Destination'] = '/%s/%s' % (container, name)
|
|
|
|
if token is not None:
|
|
headers['X-Auth-Token'] = token
|
|
if service_token is not None:
|
|
headers['X-Service-Token'] = service_token
|
|
|
|
if fresh_metadata is not None:
|
|
# remove potential fresh metadata headers
|
|
for fresh_hdr in [hdr for hdr in headers.keys()
|
|
if hdr.lower() == 'x-fresh-metadata']:
|
|
headers.pop(fresh_hdr)
|
|
headers['X-Fresh-Metadata'] = 'true' if fresh_metadata else 'false'
|
|
|
|
conn.request('COPY', path, '', headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), 'COPY',),
|
|
{'headers': headers}, resp, body)
|
|
|
|
store_response(resp, response_dict)
|
|
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(resp, 'Object COPY failed', body)
|
|
|
|
|
|
def delete_object(url, token=None, container=None, name=None, http_conn=None,
|
|
headers=None, proxy=None, query_string=None,
|
|
response_dict=None, service_token=None):
|
|
"""
|
|
Delete object
|
|
|
|
:param url: storage URL
|
|
:param token: auth token; if None, no token will be sent
|
|
:param container: container name that the object is in; if None, the
|
|
container name is expected to be part of the url
|
|
:param name: object name to delete; if None, the object name is expected to
|
|
be part of the url
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object),
|
|
(If None, it will create the conn object)
|
|
:param headers: additional headers to include in the request
|
|
:param proxy: proxy to connect through, if any; None by default; str of the
|
|
format 'http://127.0.0.1:8888' to set one
|
|
:param query_string: if set will be appended with '?' to generated path
|
|
:param response_dict: an optional dictionary into which to place
|
|
the response - status, reason and headers
|
|
:param service_token: service auth token
|
|
:raises ClientException: HTTP DELETE request failed
|
|
"""
|
|
if http_conn:
|
|
parsed, conn = http_conn
|
|
else:
|
|
parsed, conn = http_connection(url, proxy=proxy)
|
|
path = parsed.path
|
|
if container:
|
|
path = '%s/%s' % (path.rstrip('/'), quote(container))
|
|
if name:
|
|
path = '%s/%s' % (path.rstrip('/'), quote(name))
|
|
if query_string:
|
|
path += '?' + query_string
|
|
if headers:
|
|
headers = dict(headers)
|
|
else:
|
|
headers = {}
|
|
if token:
|
|
headers['X-Auth-Token'] = token
|
|
if service_token:
|
|
headers['X-Service-Token'] = service_token
|
|
conn.request('DELETE', path, '', headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log(('%s%s' % (url.replace(parsed.path, ''), path), 'DELETE',),
|
|
{'headers': headers}, resp, body)
|
|
|
|
store_response(resp, response_dict)
|
|
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(resp, 'Object DELETE failed', body)
|
|
|
|
|
|
def get_capabilities(http_conn):
|
|
"""
|
|
Get cluster capability infos.
|
|
|
|
:param http_conn: a tuple of (parsed url, HTTPConnection object)
|
|
:returns: a dict containing the cluster capabilities
|
|
:raises ClientException: HTTP Capabilities GET failed
|
|
"""
|
|
parsed, conn = http_conn
|
|
headers = {'Accept-Encoding': 'gzip'}
|
|
conn.request('GET', parsed.path, '', headers)
|
|
resp = conn.getresponse()
|
|
body = resp.read()
|
|
http_log((parsed.geturl(), 'GET',), {'headers': headers}, resp, body)
|
|
if resp.status < 200 or resp.status >= 300:
|
|
raise ClientException.from_response(
|
|
resp, 'Capabilities GET failed', body)
|
|
resp_headers = resp_header_dict(resp)
|
|
return parse_api_response(resp_headers, body)
|
|
|
|
|
|
class Connection(object):
|
|
|
|
"""
|
|
Convenience class to make requests that will also retry the request
|
|
|
|
Requests will have an X-Auth-Token header whose value is either
|
|
the preauthtoken or a token obtained from the auth service using
|
|
the user credentials provided as args to the constructor. If
|
|
os_options includes a service_username then requests will also have
|
|
an X-Service-Token header whose value is a token obtained from the
|
|
auth service using the service credentials. In this case the request
|
|
url will be set to the storage_url obtained from the auth service
|
|
for the service user, unless this is overridden by a preauthurl.
|
|
"""
|
|
|
|
def __init__(self, authurl=None, user=None, key=None, retries=5,
|
|
preauthurl=None, preauthtoken=None, snet=False,
|
|
starting_backoff=1, max_backoff=64, tenant_name=None,
|
|
os_options=None, auth_version="1", cacert=None,
|
|
insecure=False, cert=None, cert_key=None,
|
|
ssl_compression=True, retry_on_ratelimit=False,
|
|
timeout=None, session=None, force_auth_retry=False):
|
|
"""
|
|
:param authurl: authentication URL
|
|
:param user: user name to authenticate as
|
|
:param key: key/password to authenticate with
|
|
:param retries: Number of times to retry the request before failing
|
|
:param preauthurl: storage URL (if you have already authenticated)
|
|
:param preauthtoken: authentication token (if you have already
|
|
authenticated) note authurl/user/key/tenant_name
|
|
are not required when specifying preauthtoken
|
|
:param snet: use SERVICENET internal network default is False
|
|
:param starting_backoff: initial delay between retries (seconds)
|
|
:param max_backoff: maximum delay between retries (seconds)
|
|
:param auth_version: OpenStack auth version, default is 1.0
|
|
:param tenant_name: The tenant/account name, required when connecting
|
|
to an auth 2.0 system.
|
|
:param os_options: The OpenStack options which can have tenant_id,
|
|
auth_token, service_type, endpoint_type,
|
|
tenant_name, object_storage_url, region_name,
|
|
service_username, service_project_name, service_key
|
|
:param insecure: Allow to access servers without checking SSL certs.
|
|
The server's certificate will not be verified.
|
|
:param cert: Client certificate file to connect on SSL server
|
|
requiring SSL client certificate.
|
|
:param cert_key: Client certificate private key file.
|
|
:param ssl_compression: Whether to enable compression at the SSL layer.
|
|
If set to 'False' and the pyOpenSSL library is
|
|
present an attempt to disable SSL compression
|
|
will be made. This may provide a performance
|
|
increase for https upload/download operations.
|
|
:param retry_on_ratelimit: by default, a ratelimited connection will
|
|
raise an exception to the caller. Setting
|
|
this parameter to True will cause a retry
|
|
after a backoff.
|
|
:param timeout: The connect timeout for the HTTP connection.
|
|
:param session: A keystoneauth session object.
|
|
:param force_auth_retry: reset auth info even if client got unexpected
|
|
error except 401 Unauthorized.
|
|
"""
|
|
self.session = session
|
|
self.authurl = authurl
|
|
self.user = user
|
|
self.key = key
|
|
self.retries = retries
|
|
self.http_conn = None
|
|
self.attempts = 0
|
|
self.snet = snet
|
|
self.starting_backoff = starting_backoff
|
|
self.max_backoff = max_backoff
|
|
self.auth_version = auth_version
|
|
self.os_options = dict(os_options or {})
|
|
if tenant_name:
|
|
self.os_options['tenant_name'] = tenant_name
|
|
if preauthurl:
|
|
self.os_options['object_storage_url'] = preauthurl
|
|
self.url = preauthurl or self.os_options.get('object_storage_url')
|
|
self.token = preauthtoken or self.os_options.get('auth_token')
|
|
if self.os_options.get('service_username', None):
|
|
self.service_auth = True
|
|
else:
|
|
self.service_auth = False
|
|
self.service_token = None
|
|
self.cacert = cacert
|
|
self.insecure = insecure
|
|
self.cert = cert
|
|
self.cert_key = cert_key
|
|
self.ssl_compression = ssl_compression
|
|
self.auth_end_time = 0
|
|
self.retry_on_ratelimit = retry_on_ratelimit
|
|
self.timeout = timeout
|
|
self.force_auth_retry = force_auth_retry
|
|
|
|
def close(self):
|
|
if (self.http_conn and isinstance(self.http_conn, tuple) and
|
|
len(self.http_conn) > 1):
|
|
conn = self.http_conn[1]
|
|
conn.close()
|
|
self.http_conn = None
|
|
|
|
def get_auth(self):
|
|
self.url, self.token = get_auth(self.authurl, self.user, self.key,
|
|
session=self.session, snet=self.snet,
|
|
auth_version=self.auth_version,
|
|
os_options=self.os_options,
|
|
cacert=self.cacert,
|
|
insecure=self.insecure,
|
|
cert=self.cert,
|
|
cert_key=self.cert_key,
|
|
timeout=self.timeout)
|
|
return self.url, self.token
|
|
|
|
def get_service_auth(self):
|
|
opts = self.os_options
|
|
service_options = {}
|
|
service_options['tenant_name'] = opts.get('service_project_name', None)
|
|
service_options['region_name'] = opts.get('region_name', None)
|
|
service_options['object_storage_url'] = opts.get('object_storage_url',
|
|
None)
|
|
service_user = opts.get('service_username', None)
|
|
service_key = opts.get('service_key', None)
|
|
return get_auth(self.authurl, service_user, service_key,
|
|
session=self.session,
|
|
snet=self.snet,
|
|
auth_version=self.auth_version,
|
|
os_options=service_options,
|
|
cacert=self.cacert,
|
|
insecure=self.insecure,
|
|
timeout=self.timeout)
|
|
|
|
def http_connection(self, url=None):
|
|
return http_connection(url if url else self.url,
|
|
cacert=self.cacert,
|
|
insecure=self.insecure,
|
|
cert=self.cert,
|
|
cert_key=self.cert_key,
|
|
ssl_compression=self.ssl_compression,
|
|
timeout=self.timeout)
|
|
|
|
def _add_response_dict(self, target_dict, kwargs):
|
|
if target_dict is not None and 'response_dict' in kwargs:
|
|
response_dict = kwargs['response_dict']
|
|
if 'response_dicts' in target_dict:
|
|
target_dict['response_dicts'].append(response_dict)
|
|
else:
|
|
target_dict['response_dicts'] = [response_dict]
|
|
target_dict.update(response_dict)
|
|
|
|
def _retry(self, reset_func, func, *args, **kwargs):
|
|
retried_auth = False
|
|
backoff = self.starting_backoff
|
|
caller_response_dict = kwargs.pop('response_dict', None)
|
|
self.attempts = kwargs.pop('attempts', 0)
|
|
while self.attempts <= self.retries or retried_auth:
|
|
self.attempts += 1
|
|
try:
|
|
if not self.url or not self.token:
|
|
self.url, self.token = self.get_auth()
|
|
self.close()
|
|
if self.service_auth and not self.service_token:
|
|
self.url, self.service_token = self.get_service_auth()
|
|
self.close()
|
|
self.auth_end_time = time()
|
|
if not self.http_conn:
|
|
self.http_conn = self.http_connection()
|
|
kwargs['http_conn'] = self.http_conn
|
|
if caller_response_dict is not None:
|
|
kwargs['response_dict'] = {}
|
|
rv = func(self.url, self.token, *args,
|
|
service_token=self.service_token, **kwargs)
|
|
self._add_response_dict(caller_response_dict, kwargs)
|
|
return rv
|
|
except SSLError:
|
|
raise
|
|
except (socket.error, RequestException):
|
|
self._add_response_dict(caller_response_dict, kwargs)
|
|
if self.attempts > self.retries:
|
|
raise
|
|
self.http_conn = None
|
|
except ClientException as err:
|
|
self._add_response_dict(caller_response_dict, kwargs)
|
|
if err.http_status == 401:
|
|
if self.session:
|
|
should_retry = self.session.invalidate()
|
|
else:
|
|
# Without a proper session, just check for auth creds
|
|
should_retry = all((self.authurl, self.user, self.key))
|
|
|
|
self.url = self.token = self.service_token = None
|
|
|
|
if retried_auth or not should_retry:
|
|
raise
|
|
retried_auth = True
|
|
elif self.attempts > self.retries or err.http_status is None:
|
|
raise
|
|
elif err.http_status == 408:
|
|
self.http_conn = None
|
|
elif 500 <= err.http_status <= 599:
|
|
pass
|
|
elif self.retry_on_ratelimit and err.http_status == 498:
|
|
pass
|
|
else:
|
|
raise
|
|
|
|
if self.force_auth_retry:
|
|
self.url = self.token = self.service_token = None
|
|
|
|
sleep(backoff)
|
|
backoff = min(backoff * 2, self.max_backoff)
|
|
if reset_func:
|
|
reset_func(func, *args, **kwargs)
|
|
|
|
def head_account(self, headers=None):
|
|
"""Wrapper for :func:`head_account`"""
|
|
return self._retry(None, head_account, headers=headers)
|
|
|
|
def get_account(self, marker=None, limit=None, prefix=None,
|
|
end_marker=None, full_listing=False, headers=None,
|
|
delimiter=None):
|
|
"""Wrapper for :func:`get_account`"""
|
|
# TODO(unknown): With full_listing=True this will restart the entire
|
|
# listing with each retry. Need to make a better version that just
|
|
# retries where it left off.
|
|
return self._retry(None, get_account, marker=marker, limit=limit,
|
|
prefix=prefix, end_marker=end_marker,
|
|
full_listing=full_listing, headers=headers,
|
|
delimiter=delimiter)
|
|
|
|
def post_account(self, headers, response_dict=None,
|
|
query_string=None, data=None):
|
|
"""Wrapper for :func:`post_account`"""
|
|
return self._retry(None, post_account, headers,
|
|
query_string=query_string, data=data,
|
|
response_dict=response_dict)
|
|
|
|
def head_container(self, container, headers=None):
|
|
"""Wrapper for :func:`head_container`"""
|
|
return self._retry(None, head_container, container, headers=headers)
|
|
|
|
def get_container(self, container, marker=None, limit=None, prefix=None,
|
|
delimiter=None, end_marker=None, path=None,
|
|
full_listing=False, headers=None, query_string=None):
|
|
"""Wrapper for :func:`get_container`"""
|
|
# TODO(unknown): With full_listing=True this will restart the entire
|
|
# listing with each retry. Need to make a better version that just
|
|
# retries where it left off.
|
|
return self._retry(None, get_container, container, marker=marker,
|
|
limit=limit, prefix=prefix, delimiter=delimiter,
|
|
end_marker=end_marker, path=path,
|
|
full_listing=full_listing, headers=headers,
|
|
query_string=query_string)
|
|
|
|
def put_container(self, container, headers=None, response_dict=None,
|
|
query_string=None):
|
|
"""Wrapper for :func:`put_container`"""
|
|
return self._retry(None, put_container, container, headers=headers,
|
|
response_dict=response_dict,
|
|
query_string=query_string)
|
|
|
|
def post_container(self, container, headers, response_dict=None):
|
|
"""Wrapper for :func:`post_container`"""
|
|
return self._retry(None, post_container, container, headers,
|
|
response_dict=response_dict)
|
|
|
|
def delete_container(self, container, response_dict=None,
|
|
query_string=None, headers={}):
|
|
"""Wrapper for :func:`delete_container`"""
|
|
return self._retry(None, delete_container, container,
|
|
response_dict=response_dict,
|
|
query_string=query_string,
|
|
headers=headers)
|
|
|
|
def head_object(self, container, obj, headers=None, query_string=None):
|
|
"""Wrapper for :func:`head_object`"""
|
|
return self._retry(None, head_object, container, obj, headers=headers,
|
|
query_string=query_string)
|
|
|
|
def get_object(self, container, obj, resp_chunk_size=None,
|
|
query_string=None, response_dict=None, headers=None):
|
|
"""Wrapper for :func:`get_object`"""
|
|
rheaders, body = self._retry(None, get_object, container, obj,
|
|
resp_chunk_size=resp_chunk_size,
|
|
query_string=query_string,
|
|
response_dict=response_dict,
|
|
headers=headers)
|
|
is_not_range_request = (
|
|
not headers or 'range' not in (k.lower() for k in headers))
|
|
retry_is_possible = (
|
|
is_not_range_request and resp_chunk_size and
|
|
self.attempts <= self.retries and
|
|
rheaders.get('transfer-encoding') is None)
|
|
if retry_is_possible:
|
|
body = _RetryBody(body.resp, self, container, obj,
|
|
resp_chunk_size=resp_chunk_size,
|
|
query_string=query_string,
|
|
response_dict=response_dict,
|
|
headers=headers)
|
|
return rheaders, body
|
|
|
|
def put_object(self, container, obj, contents, content_length=None,
|
|
etag=None, chunk_size=None, content_type=None,
|
|
headers=None, query_string=None, response_dict=None):
|
|
"""Wrapper for :func:`put_object`"""
|
|
|
|
def _default_reset(*args, **kwargs):
|
|
raise ClientException('put_object(%r, %r, ...) failure and no '
|
|
'ability to reset contents for reupload.'
|
|
% (container, obj))
|
|
|
|
if isinstance(contents, str) or not contents:
|
|
# if its a str or None then you can retry as much as you want
|
|
reset_func = None
|
|
else:
|
|
reset_func = _default_reset
|
|
if self.retries > 0:
|
|
tell = getattr(contents, 'tell', None)
|
|
seek = getattr(contents, 'seek', None)
|
|
reset = getattr(contents, 'reset', None)
|
|
if tell and seek:
|
|
orig_pos = tell()
|
|
|
|
def reset_func(*a, **kw):
|
|
seek(orig_pos)
|
|
elif reset:
|
|
reset_func = reset
|
|
return self._retry(reset_func, put_object, container, obj, contents,
|
|
content_length=content_length, etag=etag,
|
|
chunk_size=chunk_size, content_type=content_type,
|
|
headers=headers, query_string=query_string,
|
|
response_dict=response_dict)
|
|
|
|
def post_object(self, container, obj, headers, response_dict=None):
|
|
"""Wrapper for :func:`post_object`"""
|
|
return self._retry(None, post_object, container, obj, headers,
|
|
response_dict=response_dict)
|
|
|
|
def copy_object(self, container, obj, destination=None, headers=None,
|
|
fresh_metadata=None, response_dict=None):
|
|
"""Wrapper for :func:`copy_object`"""
|
|
return self._retry(None, copy_object, container, obj, destination,
|
|
headers, fresh_metadata,
|
|
response_dict=response_dict)
|
|
|
|
def delete_object(self, container, obj, query_string=None,
|
|
response_dict=None, headers=None):
|
|
"""Wrapper for :func:`delete_object`"""
|
|
return self._retry(None, delete_object, container, obj,
|
|
query_string=query_string,
|
|
response_dict=response_dict,
|
|
headers=headers)
|
|
|
|
def get_capabilities(self, url=None):
|
|
url = url or self.url
|
|
if not url:
|
|
url, _ = self.get_auth()
|
|
parsed = urlparse(urljoin(url, '/info'))
|
|
if not self.http_conn:
|
|
self.http_conn = self.http_connection(url)
|
|
return get_capabilities((parsed, self.http_conn[1]))
|