160 lines
7.1 KiB
Python
160 lines
7.1 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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# NOTE: swift_conn
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# You'll see swift_conn passed around a few places in this file. This is the
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# source httplib connection of whatever it is attached to.
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# It is used when early termination of reading from the connection should
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# happen, such as when a range request is satisfied but there's still more the
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# source connection would like to send. To prevent having to read all the data
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# that could be left, the source connection can be .close() and then reads
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# commence to empty out any buffers.
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# These shenanigans are to ensure all related objects can be garbage
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# collected. We've seen objects hang around forever otherwise.
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import time
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from urllib import unquote
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from random import shuffle
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from swift.common.utils import normalize_timestamp, public
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from swift.common.constraints import check_metadata, MAX_ACCOUNT_NAME_LENGTH
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from swift.common.http import is_success, HTTP_NOT_FOUND
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from swift.proxy.controllers.base import Controller, get_account_memcache_key
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from swift.common.swob import HTTPBadRequest, HTTPMethodNotAllowed, Request
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class AccountController(Controller):
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"""WSGI controller for account requests"""
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server_type = 'Account'
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def __init__(self, app, account_name, **kwargs):
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Controller.__init__(self, app)
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self.account_name = unquote(account_name)
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if not self.app.allow_account_management:
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self.allowed_methods.remove('PUT')
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self.allowed_methods.remove('DELETE')
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def GETorHEAD(self, req):
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"""Handler for HTTP GET/HEAD requests."""
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partition, nodes = self.app.account_ring.get_nodes(self.account_name)
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shuffle(nodes)
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resp = self.GETorHEAD_base(
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req, _('Account'), partition, nodes, req.path_info.rstrip('/'),
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len(nodes))
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if resp.status_int == HTTP_NOT_FOUND and self.app.account_autocreate:
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if len(self.account_name) > MAX_ACCOUNT_NAME_LENGTH:
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resp = HTTPBadRequest(request=req)
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resp.body = 'Account name length of %d longer than %d' % \
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(len(self.account_name), MAX_ACCOUNT_NAME_LENGTH)
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return resp
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headers = {'X-Timestamp': normalize_timestamp(time.time()),
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'X-Trans-Id': self.trans_id,
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'Connection': 'close'}
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resp = self.make_requests(
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Request.blank('/v1/' + self.account_name),
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self.app.account_ring, partition, 'PUT',
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'/' + self.account_name, [headers] * len(nodes))
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if not is_success(resp.status_int):
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self.app.logger.warning('Could not autocreate account %r' %
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self.account_name)
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return resp
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resp = self.GETorHEAD_base(
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req, _('Account'), partition, nodes, req.path_info.rstrip('/'),
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len(nodes))
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return resp
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@public
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def PUT(self, req):
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"""HTTP PUT request handler."""
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if not self.app.allow_account_management:
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return HTTPMethodNotAllowed(
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request=req,
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headers={'Allow': ', '.join(self.allowed_methods)})
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error_response = check_metadata(req, 'account')
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if error_response:
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return error_response
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if len(self.account_name) > MAX_ACCOUNT_NAME_LENGTH:
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resp = HTTPBadRequest(request=req)
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resp.body = 'Account name length of %d longer than %d' % \
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(len(self.account_name), MAX_ACCOUNT_NAME_LENGTH)
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return resp
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account_partition, accounts = \
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self.app.account_ring.get_nodes(self.account_name)
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headers = {'X-Timestamp': normalize_timestamp(time.time()),
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'x-trans-id': self.trans_id,
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'Connection': 'close'}
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self.transfer_headers(req.headers, headers)
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if self.app.memcache:
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self.app.memcache.delete(
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get_account_memcache_key(self.account_name))
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resp = self.make_requests(
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req, self.app.account_ring, account_partition, 'PUT',
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req.path_info, [headers] * len(accounts))
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return resp
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@public
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def POST(self, req):
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"""HTTP POST request handler."""
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error_response = check_metadata(req, 'account')
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if error_response:
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return error_response
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account_partition, accounts = \
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self.app.account_ring.get_nodes(self.account_name)
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headers = {'X-Timestamp': normalize_timestamp(time.time()),
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'X-Trans-Id': self.trans_id,
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'Connection': 'close'}
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self.transfer_headers(req.headers, headers)
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if self.app.memcache:
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self.app.memcache.delete(
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get_account_memcache_key(self.account_name))
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resp = self.make_requests(
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req, self.app.account_ring, account_partition, 'POST',
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req.path_info, [headers] * len(accounts))
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if resp.status_int == HTTP_NOT_FOUND and self.app.account_autocreate:
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if len(self.account_name) > MAX_ACCOUNT_NAME_LENGTH:
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resp = HTTPBadRequest(request=req)
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resp.body = 'Account name length of %d longer than %d' % \
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(len(self.account_name), MAX_ACCOUNT_NAME_LENGTH)
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return resp
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resp = self.make_requests(
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Request.blank('/v1/' + self.account_name),
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self.app.account_ring, account_partition, 'PUT',
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'/' + self.account_name, [headers] * len(accounts))
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if not is_success(resp.status_int):
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self.app.logger.warning('Could not autocreate account %r' %
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self.account_name)
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return resp
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return resp
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@public
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def DELETE(self, req):
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"""HTTP DELETE request handler."""
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if not self.app.allow_account_management:
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return HTTPMethodNotAllowed(
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request=req,
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headers={'Allow': ', '.join(self.allowed_methods)})
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account_partition, accounts = \
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self.app.account_ring.get_nodes(self.account_name)
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headers = {'X-Timestamp': normalize_timestamp(time.time()),
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'X-Trans-Id': self.trans_id,
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'Connection': 'close'}
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if self.app.memcache:
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self.app.memcache.delete(
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get_account_memcache_key(self.account_name))
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resp = self.make_requests(
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req, self.app.account_ring, account_partition, 'DELETE',
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req.path_info, [headers] * len(accounts))
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return resp
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