928c4790eb
Relocates some test infrastructure in preparation for use with encryption tests, in particular moves the test server setup code from test/unit/proxy/test_server.py to a new helpers.py so that it can be re-used, and adds ability to specify additional config options for the test servers (used in encryption tests). Adds unit test coverage for extract_swift_bytes and functional test coverage for container listings. Adds a check on the content and metadata of reconciled objects in probe tests. Change-Id: I9bfbf4e47cb0eb370e7a74d18c78d67b6b9d6645
1049 lines
34 KiB
Python
1049 lines
34 KiB
Python
# Copyright (c) 2010-2012 OpenStack Foundation
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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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import hashlib
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import json
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import os
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import random
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import socket
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import time
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from unittest2 import SkipTest
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from xml.dom import minidom
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import six
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from six.moves import http_client
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from six.moves import urllib
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from swiftclient import get_auth
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from swift.common import constraints
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from swift.common.utils import config_true_value
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from test import safe_repr
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http_client._MAXHEADERS = constraints.MAX_HEADER_COUNT
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class AuthenticationFailed(Exception):
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pass
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class RequestError(Exception):
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pass
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class ResponseError(Exception):
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def __init__(self, response, method=None, path=None):
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self.status = response.status
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self.reason = response.reason
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self.method = method
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self.path = path
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self.headers = response.getheaders()
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for name, value in self.headers:
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if name.lower() == 'x-trans-id':
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self.txid = value
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break
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else:
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self.txid = None
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super(ResponseError, self).__init__()
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def __str__(self):
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return repr(self)
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def __repr__(self):
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return '%d: %r (%r %r) txid=%s' % (
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self.status, self.reason, self.method, self.path, self.txid)
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def listing_empty(method):
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for i in range(6):
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if len(method()) == 0:
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return True
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time.sleep(2 ** i)
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return False
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def listing_items(method):
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marker = None
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once = True
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items = []
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while once or items:
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for i in items:
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yield i
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if once or marker:
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if marker:
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items = method(parms={'marker': marker})
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else:
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items = method()
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if len(items) == 10000:
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marker = items[-1]
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else:
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marker = None
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once = False
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else:
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items = []
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class Connection(object):
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def __init__(self, config):
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for key in 'auth_host auth_port auth_ssl username password'.split():
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if key not in config:
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raise SkipTest(
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"Missing required configuration parameter: %s" % key)
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self.auth_host = config['auth_host']
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self.auth_port = int(config['auth_port'])
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self.auth_ssl = config['auth_ssl'] in ('on', 'true', 'yes', '1')
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self.insecure = config_true_value(config.get('insecure', 'false'))
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self.auth_prefix = config.get('auth_prefix', '/')
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self.auth_version = str(config.get('auth_version', '1'))
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self.account = config.get('account')
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self.username = config['username']
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self.password = config['password']
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self.storage_host = None
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self.storage_port = None
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self.storage_url = None
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self.conn_class = None
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def get_account(self):
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return Account(self, self.account)
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def authenticate(self, clone_conn=None):
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if clone_conn:
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self.conn_class = clone_conn.conn_class
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self.storage_host = clone_conn.storage_host
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self.storage_url = clone_conn.storage_url
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self.storage_port = clone_conn.storage_port
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self.storage_token = clone_conn.storage_token
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return
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if self.auth_version == "1":
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auth_path = '%sv1.0' % (self.auth_prefix)
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if self.account:
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auth_user = '%s:%s' % (self.account, self.username)
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else:
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auth_user = self.username
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else:
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auth_user = self.username
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auth_path = self.auth_prefix
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auth_scheme = 'https://' if self.auth_ssl else 'http://'
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auth_netloc = "%s:%d" % (self.auth_host, self.auth_port)
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auth_url = auth_scheme + auth_netloc + auth_path
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authargs = dict(snet=False, tenant_name=self.account,
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auth_version=self.auth_version, os_options={},
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insecure=self.insecure)
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(storage_url, storage_token) = get_auth(
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auth_url, auth_user, self.password, **authargs)
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if not (storage_url and storage_token):
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raise AuthenticationFailed()
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x = storage_url.split('/')
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if x[0] == 'http:':
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self.conn_class = http_client.HTTPConnection
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self.storage_port = 80
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elif x[0] == 'https:':
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self.conn_class = http_client.HTTPSConnection
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self.storage_port = 443
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else:
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raise ValueError('unexpected protocol %s' % (x[0]))
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self.storage_host = x[2].split(':')[0]
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if ':' in x[2]:
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self.storage_port = int(x[2].split(':')[1])
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# Make sure storage_url is a string and not unicode, since
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# keystoneclient (called by swiftclient) returns them in
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# unicode and this would cause troubles when doing
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# no_safe_quote query.
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self.storage_url = str('/%s/%s' % (x[3], x[4]))
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self.account_name = str(x[4])
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self.auth_user = auth_user
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# With v2 keystone, storage_token is unicode.
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# We want it to be string otherwise this would cause
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# troubles when doing query with already encoded
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# non ascii characters in its headers.
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self.storage_token = str(storage_token)
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self.user_acl = '%s:%s' % (self.account, self.username)
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self.http_connect()
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return self.storage_url, self.storage_token
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def cluster_info(self):
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"""
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Retrieve the data in /info, or {} on 404
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"""
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status = self.make_request('GET', '/info',
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cfg={'absolute_path': True})
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if status // 100 == 4:
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return {}
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if not 200 <= status <= 299:
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raise ResponseError(self.response, 'GET', '/info')
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return json.loads(self.response.read())
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def http_connect(self):
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self.connection = self.conn_class(self.storage_host,
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port=self.storage_port)
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# self.connection.set_debuglevel(3)
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def make_path(self, path=None, cfg=None):
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if path is None:
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path = []
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if cfg is None:
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cfg = {}
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if cfg.get('version_only_path'):
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return '/' + self.storage_url.split('/')[1]
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if path:
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quote = urllib.parse.quote
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if cfg.get('no_quote') or cfg.get('no_path_quote'):
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quote = lambda x: x
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return '%s/%s' % (self.storage_url,
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'/'.join([quote(i) for i in path]))
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else:
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return self.storage_url
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def make_headers(self, hdrs, cfg=None):
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if cfg is None:
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cfg = {}
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headers = {}
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if not cfg.get('no_auth_token'):
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headers['X-Auth-Token'] = self.storage_token
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if cfg.get('use_token'):
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headers['X-Auth-Token'] = cfg.get('use_token')
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if isinstance(hdrs, dict):
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headers.update(hdrs)
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return headers
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def make_request(self, method, path=None, data='', hdrs=None, parms=None,
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cfg=None):
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if path is None:
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path = []
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if hdrs is None:
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hdrs = {}
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if parms is None:
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parms = {}
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if cfg is None:
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cfg = {}
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if not cfg.get('absolute_path'):
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# Set absolute_path=True to make a request to exactly the given
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# path, not storage path + given path. Useful for
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# non-account/container/object requests.
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path = self.make_path(path, cfg=cfg)
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headers = self.make_headers(hdrs, cfg=cfg)
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if isinstance(parms, dict) and parms:
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quote = urllib.parse.quote
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if cfg.get('no_quote') or cfg.get('no_parms_quote'):
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quote = lambda x: x
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query_args = ['%s=%s' % (quote(x), quote(str(y)))
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for (x, y) in parms.items()]
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path = '%s?%s' % (path, '&'.join(query_args))
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if not cfg.get('no_content_length'):
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if cfg.get('set_content_length'):
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headers['Content-Length'] = cfg.get('set_content_length')
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else:
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headers['Content-Length'] = len(data)
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def try_request():
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self.http_connect()
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self.connection.request(method, path, data, headers)
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return self.connection.getresponse()
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self.response = None
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try_count = 0
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fail_messages = []
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while try_count < 5:
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try_count += 1
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try:
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self.response = try_request()
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except http_client.HTTPException as e:
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fail_messages.append(safe_repr(e))
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continue
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if self.response.status == 401:
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fail_messages.append("Response 401")
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self.authenticate()
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continue
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elif self.response.status == 503:
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fail_messages.append("Response 503")
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if try_count != 5:
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time.sleep(5)
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continue
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break
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if self.response:
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return self.response.status
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request = "{method} {path} headers: {headers} data: {data}".format(
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method=method, path=path, headers=headers, data=data)
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raise RequestError('Unable to complete http request: %s. '
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'Attempts: %s, Failures: %s' %
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(request, len(fail_messages), fail_messages))
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def put_start(self, path, hdrs=None, parms=None, cfg=None, chunked=False):
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if hdrs is None:
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hdrs = {}
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if parms is None:
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parms = {}
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if cfg is None:
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cfg = {}
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self.http_connect()
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path = self.make_path(path, cfg)
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headers = self.make_headers(hdrs, cfg=cfg)
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if chunked:
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headers['Transfer-Encoding'] = 'chunked'
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headers.pop('Content-Length', None)
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if isinstance(parms, dict) and parms:
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quote = urllib.parse.quote
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if cfg.get('no_quote') or cfg.get('no_parms_quote'):
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quote = lambda x: x
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query_args = ['%s=%s' % (quote(x), quote(str(y)))
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for (x, y) in parms.items()]
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path = '%s?%s' % (path, '&'.join(query_args))
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self.connection = self.conn_class(self.storage_host,
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port=self.storage_port)
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# self.connection.set_debuglevel(3)
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self.connection.putrequest('PUT', path)
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for key, value in headers.items():
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self.connection.putheader(key, value)
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self.connection.endheaders()
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def put_data(self, data, chunked=False):
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if chunked:
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self.connection.send('%x\r\n%s\r\n' % (len(data), data))
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else:
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self.connection.send(data)
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def put_end(self, chunked=False):
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if chunked:
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self.connection.send('0\r\n\r\n')
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self.response = self.connection.getresponse()
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self.connection.close()
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return self.response.status
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class Base(object):
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def __str__(self):
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return self.name
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def header_fields(self, required_fields, optional_fields=None):
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if optional_fields is None:
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optional_fields = ()
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headers = dict(self.conn.response.getheaders())
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ret = {}
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for field in required_fields:
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if field[1] not in headers:
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raise ValueError("%s was not found in response header" %
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(field[1]))
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try:
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ret[field[0]] = int(headers[field[1]])
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except ValueError:
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ret[field[0]] = headers[field[1]]
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for field in optional_fields:
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if field[1] not in headers:
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continue
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try:
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ret[field[0]] = int(headers[field[1]])
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except ValueError:
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ret[field[0]] = headers[field[1]]
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return ret
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class Account(Base):
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def __init__(self, conn, name):
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self.conn = conn
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self.name = str(name)
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def update_metadata(self, metadata=None, cfg=None):
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if metadata is None:
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metadata = {}
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if cfg is None:
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cfg = {}
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headers = dict(("X-Account-Meta-%s" % k, v)
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for k, v in metadata.items())
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self.conn.make_request('POST', self.path, hdrs=headers, cfg=cfg)
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if not 200 <= self.conn.response.status <= 299:
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raise ResponseError(self.conn.response, 'POST',
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self.conn.make_path(self.path))
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return True
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def container(self, container_name):
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return Container(self.conn, self.name, container_name)
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def containers(self, hdrs=None, parms=None, cfg=None):
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if hdrs is None:
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hdrs = {}
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if parms is None:
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parms = {}
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if cfg is None:
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cfg = {}
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format_type = parms.get('format', None)
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if format_type not in [None, 'json', 'xml']:
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raise RequestError('Invalid format: %s' % format_type)
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if format_type is None and 'format' in parms:
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del parms['format']
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status = self.conn.make_request('GET', self.path, hdrs=hdrs,
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parms=parms, cfg=cfg)
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if status == 200:
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if format_type == 'json':
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conts = json.loads(self.conn.response.read())
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for cont in conts:
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cont['name'] = cont['name'].encode('utf-8')
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return conts
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elif format_type == 'xml':
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conts = []
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tree = minidom.parseString(self.conn.response.read())
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for x in tree.getElementsByTagName('container'):
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cont = {}
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for key in ['name', 'count', 'bytes']:
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cont[key] = x.getElementsByTagName(key)[0].\
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childNodes[0].nodeValue
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conts.append(cont)
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for cont in conts:
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cont['name'] = cont['name'].encode('utf-8')
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return conts
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else:
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lines = self.conn.response.read().split('\n')
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if lines and not lines[-1]:
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lines = lines[:-1]
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return lines
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elif status == 204:
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return []
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raise ResponseError(self.conn.response, 'GET',
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self.conn.make_path(self.path))
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def delete_containers(self):
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for c in listing_items(self.containers):
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cont = self.container(c)
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cont.update_metadata(hdrs={'x-versions-location': ''})
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if not cont.delete_recursive():
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return False
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return listing_empty(self.containers)
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def info(self, hdrs=None, parms=None, cfg=None):
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if hdrs is None:
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hdrs = {}
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if parms is None:
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parms = {}
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if cfg is None:
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cfg = {}
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if self.conn.make_request('HEAD', self.path, hdrs=hdrs,
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parms=parms, cfg=cfg) != 204:
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raise ResponseError(self.conn.response, 'HEAD',
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self.conn.make_path(self.path))
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fields = [['object_count', 'x-account-object-count'],
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['container_count', 'x-account-container-count'],
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['bytes_used', 'x-account-bytes-used']]
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return self.header_fields(fields)
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|
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@property
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def path(self):
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return []
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|
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class Container(Base):
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# policy_specified is set in __init__.py when tests are being set up.
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policy_specified = None
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def __init__(self, conn, account, name):
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self.conn = conn
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self.account = str(account)
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self.name = str(name)
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|
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def create(self, hdrs=None, parms=None, cfg=None):
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if hdrs is None:
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hdrs = {}
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if parms is None:
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parms = {}
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if cfg is None:
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cfg = {}
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if self.policy_specified and 'X-Storage-Policy' not in hdrs:
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hdrs['X-Storage-Policy'] = self.policy_specified
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return self.conn.make_request('PUT', self.path, hdrs=hdrs,
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parms=parms, cfg=cfg) in (201, 202)
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def update_metadata(self, hdrs=None, cfg=None):
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if hdrs is None:
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hdrs = {}
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if cfg is None:
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cfg = {}
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self.conn.make_request('POST', self.path, hdrs=hdrs, cfg=cfg)
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if not 200 <= self.conn.response.status <= 299:
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raise ResponseError(self.conn.response, 'POST',
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self.conn.make_path(self.path))
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return True
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|
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def delete(self, hdrs=None, parms=None):
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if hdrs is None:
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hdrs = {}
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if parms is None:
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parms = {}
|
|
return self.conn.make_request('DELETE', self.path, hdrs=hdrs,
|
|
parms=parms) == 204
|
|
|
|
def delete_files(self):
|
|
for f in listing_items(self.files):
|
|
file_item = self.file(f)
|
|
if not file_item.delete():
|
|
return False
|
|
|
|
return listing_empty(self.files)
|
|
|
|
def delete_recursive(self):
|
|
return self.delete_files() and self.delete()
|
|
|
|
def file(self, file_name):
|
|
return File(self.conn, self.account, self.name, file_name)
|
|
|
|
def files(self, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
format_type = parms.get('format', None)
|
|
if format_type not in [None, 'json', 'xml']:
|
|
raise RequestError('Invalid format: %s' % format_type)
|
|
if format_type is None and 'format' in parms:
|
|
del parms['format']
|
|
|
|
status = self.conn.make_request('GET', self.path, hdrs=hdrs,
|
|
parms=parms, cfg=cfg)
|
|
if status == 200:
|
|
if format_type == 'json':
|
|
files = json.loads(self.conn.response.read())
|
|
|
|
for file_item in files:
|
|
file_item['name'] = file_item['name'].encode('utf-8')
|
|
file_item['content_type'] = file_item['content_type'].\
|
|
encode('utf-8')
|
|
return files
|
|
elif format_type == 'xml':
|
|
files = []
|
|
tree = minidom.parseString(self.conn.response.read())
|
|
for x in tree.getElementsByTagName('object'):
|
|
file_item = {}
|
|
for key in ['name', 'hash', 'bytes', 'content_type',
|
|
'last_modified']:
|
|
|
|
file_item[key] = x.getElementsByTagName(key)[0].\
|
|
childNodes[0].nodeValue
|
|
files.append(file_item)
|
|
|
|
for file_item in files:
|
|
file_item['name'] = file_item['name'].encode('utf-8')
|
|
file_item['content_type'] = file_item['content_type'].\
|
|
encode('utf-8')
|
|
file_item['bytes'] = int(file_item['bytes'])
|
|
return files
|
|
else:
|
|
content = self.conn.response.read()
|
|
if content:
|
|
lines = content.split('\n')
|
|
if lines and not lines[-1]:
|
|
lines = lines[:-1]
|
|
return lines
|
|
else:
|
|
return []
|
|
elif status == 204:
|
|
return []
|
|
|
|
raise ResponseError(self.conn.response, 'GET',
|
|
self.conn.make_path(self.path))
|
|
|
|
def info(self, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
self.conn.make_request('HEAD', self.path, hdrs=hdrs,
|
|
parms=parms, cfg=cfg)
|
|
|
|
if self.conn.response.status == 204:
|
|
required_fields = [['bytes_used', 'x-container-bytes-used'],
|
|
['object_count', 'x-container-object-count']]
|
|
optional_fields = [
|
|
['versions', 'x-versions-location'],
|
|
['tempurl_key', 'x-container-meta-temp-url-key'],
|
|
['tempurl_key2', 'x-container-meta-temp-url-key-2']]
|
|
|
|
return self.header_fields(required_fields, optional_fields)
|
|
|
|
raise ResponseError(self.conn.response, 'HEAD',
|
|
self.conn.make_path(self.path))
|
|
|
|
@property
|
|
def path(self):
|
|
return [self.name]
|
|
|
|
|
|
class File(Base):
|
|
def __init__(self, conn, account, container, name):
|
|
self.conn = conn
|
|
self.account = str(account)
|
|
self.container = str(container)
|
|
self.name = str(name)
|
|
|
|
self.chunked_write_in_progress = False
|
|
self.content_type = None
|
|
self.content_range = None
|
|
self.size = None
|
|
self.metadata = {}
|
|
|
|
def make_headers(self, cfg=None):
|
|
if cfg is None:
|
|
cfg = {}
|
|
headers = {}
|
|
if not cfg.get('no_content_length'):
|
|
if cfg.get('set_content_length'):
|
|
headers['Content-Length'] = cfg.get('set_content_length')
|
|
elif self.size:
|
|
headers['Content-Length'] = self.size
|
|
else:
|
|
headers['Content-Length'] = 0
|
|
|
|
if cfg.get('use_token'):
|
|
headers['X-Auth-Token'] = cfg.get('use_token')
|
|
|
|
if cfg.get('no_content_type'):
|
|
pass
|
|
elif self.content_type:
|
|
headers['Content-Type'] = self.content_type
|
|
else:
|
|
headers['Content-Type'] = 'application/octet-stream'
|
|
|
|
for key in self.metadata:
|
|
headers['X-Object-Meta-' + key] = self.metadata[key]
|
|
|
|
return headers
|
|
|
|
@classmethod
|
|
def compute_md5sum(cls, data):
|
|
block_size = 4096
|
|
|
|
if isinstance(data, str):
|
|
data = six.StringIO(data)
|
|
|
|
checksum = hashlib.md5()
|
|
buff = data.read(block_size)
|
|
while buff:
|
|
checksum.update(buff)
|
|
buff = data.read(block_size)
|
|
data.seek(0)
|
|
return checksum.hexdigest()
|
|
|
|
def copy(self, dest_cont, dest_file, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
if 'destination' in cfg:
|
|
headers = {'Destination': cfg['destination']}
|
|
elif cfg.get('no_destination'):
|
|
headers = {}
|
|
else:
|
|
headers = {'Destination': '%s/%s' % (dest_cont, dest_file)}
|
|
headers.update(hdrs)
|
|
|
|
if 'Destination' in headers:
|
|
headers['Destination'] = urllib.parse.quote(headers['Destination'])
|
|
|
|
return self.conn.make_request('COPY', self.path, hdrs=headers,
|
|
parms=parms) == 201
|
|
|
|
def copy_account(self, dest_account, dest_cont, dest_file,
|
|
hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
if 'destination' in cfg:
|
|
headers = {'Destination': cfg['destination']}
|
|
elif cfg.get('no_destination'):
|
|
headers = {}
|
|
else:
|
|
headers = {'Destination-Account': dest_account,
|
|
'Destination': '%s/%s' % (dest_cont, dest_file)}
|
|
headers.update(hdrs)
|
|
|
|
if 'Destination-Account' in headers:
|
|
headers['Destination-Account'] = \
|
|
urllib.parse.quote(headers['Destination-Account'])
|
|
if 'Destination' in headers:
|
|
headers['Destination'] = urllib.parse.quote(headers['Destination'])
|
|
|
|
return self.conn.make_request('COPY', self.path, hdrs=headers,
|
|
parms=parms) == 201
|
|
|
|
def delete(self, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if self.conn.make_request('DELETE', self.path, hdrs=hdrs,
|
|
cfg=cfg, parms=parms) != 204:
|
|
|
|
raise ResponseError(self.conn.response, 'DELETE',
|
|
self.conn.make_path(self.path))
|
|
|
|
return True
|
|
|
|
def info(self, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
if self.conn.make_request('HEAD', self.path, hdrs=hdrs,
|
|
parms=parms, cfg=cfg) != 200:
|
|
|
|
raise ResponseError(self.conn.response, 'HEAD',
|
|
self.conn.make_path(self.path))
|
|
|
|
fields = [['content_length', 'content-length'],
|
|
['content_type', 'content-type'],
|
|
['last_modified', 'last-modified'],
|
|
['etag', 'etag']]
|
|
optional_fields = [['x_object_manifest', 'x-object-manifest']]
|
|
|
|
header_fields = self.header_fields(fields,
|
|
optional_fields=optional_fields)
|
|
header_fields['etag'] = header_fields['etag'].strip('"')
|
|
return header_fields
|
|
|
|
def initialize(self, hdrs=None, parms=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if not self.name:
|
|
return False
|
|
|
|
status = self.conn.make_request('HEAD', self.path, hdrs=hdrs,
|
|
parms=parms)
|
|
if status == 404:
|
|
return False
|
|
elif (status < 200) or (status > 299):
|
|
raise ResponseError(self.conn.response, 'HEAD',
|
|
self.conn.make_path(self.path))
|
|
|
|
for hdr in self.conn.response.getheaders():
|
|
if hdr[0].lower() == 'content-type':
|
|
self.content_type = hdr[1]
|
|
if hdr[0].lower().startswith('x-object-meta-'):
|
|
self.metadata[hdr[0][14:]] = hdr[1]
|
|
if hdr[0].lower() == 'etag':
|
|
self.etag = hdr[1].strip('"')
|
|
if hdr[0].lower() == 'content-length':
|
|
self.size = int(hdr[1])
|
|
if hdr[0].lower() == 'last-modified':
|
|
self.last_modified = hdr[1]
|
|
|
|
return True
|
|
|
|
def load_from_filename(self, filename, callback=None):
|
|
fobj = open(filename, 'rb')
|
|
self.write(fobj, callback=callback)
|
|
fobj.close()
|
|
|
|
@property
|
|
def path(self):
|
|
return [self.container, self.name]
|
|
|
|
@classmethod
|
|
def random_data(cls, size=None):
|
|
if size is None:
|
|
size = random.randint(1, 32768)
|
|
fd = open('/dev/urandom', 'r')
|
|
data = fd.read(size)
|
|
fd.close()
|
|
return data
|
|
|
|
def read(self, size=-1, offset=0, hdrs=None, buffer=None,
|
|
callback=None, cfg=None, parms=None):
|
|
if cfg is None:
|
|
cfg = {}
|
|
if parms is None:
|
|
parms = {}
|
|
|
|
if size > 0:
|
|
range_string = 'bytes=%d-%d' % (offset, (offset + size) - 1)
|
|
if hdrs:
|
|
hdrs['Range'] = range_string
|
|
else:
|
|
hdrs = {'Range': range_string}
|
|
|
|
status = self.conn.make_request('GET', self.path, hdrs=hdrs,
|
|
cfg=cfg, parms=parms)
|
|
|
|
if (status < 200) or (status > 299):
|
|
raise ResponseError(self.conn.response, 'GET',
|
|
self.conn.make_path(self.path))
|
|
|
|
for hdr in self.conn.response.getheaders():
|
|
if hdr[0].lower() == 'content-type':
|
|
self.content_type = hdr[1]
|
|
if hdr[0].lower() == 'content-range':
|
|
self.content_range = hdr[1]
|
|
|
|
if hasattr(buffer, 'write'):
|
|
scratch = self.conn.response.read(8192)
|
|
transferred = 0
|
|
|
|
while len(scratch) > 0:
|
|
buffer.write(scratch)
|
|
transferred += len(scratch)
|
|
if callable(callback):
|
|
callback(transferred, self.size)
|
|
scratch = self.conn.response.read(8192)
|
|
return None
|
|
else:
|
|
return self.conn.response.read()
|
|
|
|
def read_md5(self):
|
|
status = self.conn.make_request('GET', self.path)
|
|
|
|
if (status < 200) or (status > 299):
|
|
raise ResponseError(self.conn.response, 'GET',
|
|
self.conn.make_path(self.path))
|
|
|
|
checksum = hashlib.md5()
|
|
|
|
scratch = self.conn.response.read(8192)
|
|
while len(scratch) > 0:
|
|
checksum.update(scratch)
|
|
scratch = self.conn.response.read(8192)
|
|
|
|
return checksum.hexdigest()
|
|
|
|
def save_to_filename(self, filename, callback=None):
|
|
try:
|
|
fobj = open(filename, 'wb')
|
|
self.read(buffer=fobj, callback=callback)
|
|
finally:
|
|
fobj.close()
|
|
|
|
def sync_metadata(self, metadata=None, cfg=None, parms=None):
|
|
if metadata is None:
|
|
metadata = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
self.metadata.update(metadata)
|
|
|
|
if self.metadata:
|
|
headers = self.make_headers(cfg=cfg)
|
|
if not cfg.get('no_content_length'):
|
|
if cfg.get('set_content_length'):
|
|
headers['Content-Length'] = \
|
|
cfg.get('set_content_length')
|
|
else:
|
|
headers['Content-Length'] = 0
|
|
|
|
self.conn.make_request('POST', self.path, hdrs=headers,
|
|
parms=parms, cfg=cfg)
|
|
|
|
if self.conn.response.status not in (201, 202):
|
|
raise ResponseError(self.conn.response, 'POST',
|
|
self.conn.make_path(self.path))
|
|
|
|
return True
|
|
|
|
def chunked_write(self, data=None, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
if data is not None and self.chunked_write_in_progress:
|
|
self.conn.put_data(data, True)
|
|
elif data is not None:
|
|
self.chunked_write_in_progress = True
|
|
|
|
headers = self.make_headers(cfg=cfg)
|
|
headers.update(hdrs)
|
|
|
|
self.conn.put_start(self.path, hdrs=headers, parms=parms,
|
|
cfg=cfg, chunked=True)
|
|
|
|
self.conn.put_data(data, True)
|
|
elif self.chunked_write_in_progress:
|
|
self.chunked_write_in_progress = False
|
|
return self.conn.put_end(True) == 201
|
|
else:
|
|
raise RuntimeError
|
|
|
|
def write(self, data='', hdrs=None, parms=None, callback=None, cfg=None,
|
|
return_resp=False):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
block_size = 2 ** 20
|
|
|
|
if isinstance(data, file):
|
|
try:
|
|
data.flush()
|
|
data.seek(0)
|
|
except IOError:
|
|
pass
|
|
self.size = int(os.fstat(data.fileno())[6])
|
|
else:
|
|
data = six.StringIO(data)
|
|
self.size = data.len
|
|
|
|
headers = self.make_headers(cfg=cfg)
|
|
headers.update(hdrs)
|
|
|
|
self.conn.put_start(self.path, hdrs=headers, parms=parms, cfg=cfg)
|
|
|
|
transferred = 0
|
|
buff = data.read(block_size)
|
|
buff_len = len(buff)
|
|
try:
|
|
while buff_len > 0:
|
|
self.conn.put_data(buff)
|
|
transferred += buff_len
|
|
if callable(callback):
|
|
callback(transferred, self.size)
|
|
buff = data.read(block_size)
|
|
buff_len = len(buff)
|
|
|
|
self.conn.put_end()
|
|
except socket.timeout as err:
|
|
raise err
|
|
|
|
if (self.conn.response.status < 200) or \
|
|
(self.conn.response.status > 299):
|
|
raise ResponseError(self.conn.response, 'PUT',
|
|
self.conn.make_path(self.path))
|
|
|
|
try:
|
|
data.seek(0)
|
|
except IOError:
|
|
pass
|
|
self.md5 = self.compute_md5sum(data)
|
|
|
|
if return_resp:
|
|
return self.conn.response
|
|
|
|
return True
|
|
|
|
def write_random(self, size=None, hdrs=None, parms=None, cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
data = self.random_data(size)
|
|
if not self.write(data, hdrs=hdrs, parms=parms, cfg=cfg):
|
|
raise ResponseError(self.conn.response, 'PUT',
|
|
self.conn.make_path(self.path))
|
|
self.md5 = self.compute_md5sum(six.StringIO(data))
|
|
return data
|
|
|
|
def write_random_return_resp(self, size=None, hdrs=None, parms=None,
|
|
cfg=None):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
data = self.random_data(size)
|
|
resp = self.write(data, hdrs=hdrs, parms=parms, cfg=cfg,
|
|
return_resp=True)
|
|
if not resp:
|
|
raise ResponseError(self.conn.response)
|
|
self.md5 = self.compute_md5sum(six.StringIO(data))
|
|
return resp
|
|
|
|
def post(self, hdrs=None, parms=None, cfg=None, return_resp=False):
|
|
if hdrs is None:
|
|
hdrs = {}
|
|
if parms is None:
|
|
parms = {}
|
|
if cfg is None:
|
|
cfg = {}
|
|
|
|
headers = self.make_headers(cfg=cfg)
|
|
headers.update(hdrs)
|
|
|
|
self.conn.make_request('POST', self.path, hdrs=headers,
|
|
parms=parms, cfg=cfg)
|
|
|
|
if self.conn.response.status not in (201, 202):
|
|
raise ResponseError(self.conn.response, 'POST',
|
|
self.conn.make_path(self.path))
|
|
|
|
if return_resp:
|
|
return self.conn.response
|
|
|
|
return True
|