swift/bin/st
2011-06-03 02:39:31 +00:00

1855 lines
73 KiB
Python
Executable File

#!/usr/bin/python -u
# Copyright (c) 2010-2011 OpenStack, LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from errno import EEXIST, ENOENT
from hashlib import md5
from optparse import OptionParser
from os import environ, listdir, makedirs, utime
from os.path import basename, dirname, getmtime, getsize, isdir, join
from Queue import Empty, Queue
from sys import argv, exc_info, exit, stderr, stdout
from threading import enumerate as threading_enumerate, Thread
from time import sleep
from traceback import format_exception
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# Inclusion of swift.common.client for convenience of single file distribution
import socket
from cStringIO import StringIO
from re import compile, DOTALL
from tokenize import generate_tokens, STRING, NAME, OP
from urllib import quote as _quote, unquote
from urlparse import urlparse, urlunparse
try:
from eventlet.green.httplib import HTTPException, HTTPSConnection
except ImportError:
from httplib import HTTPException, HTTPSConnection
try:
from eventlet import sleep
except ImportError:
from time import sleep
try:
from swift.common.bufferedhttp \
import BufferedHTTPConnection as HTTPConnection
except ImportError:
try:
from eventlet.green.httplib import HTTPConnection
except ImportError:
from httplib import HTTPConnection
def quote(value, safe='/'):
"""
Patched version of urllib.quote that encodes utf8 strings before quoting
"""
if isinstance(value, unicode):
value = value.encode('utf8')
return _quote(value, safe)
# look for a real json parser first
try:
# simplejson is popular and pretty good
from simplejson import loads as json_loads
except ImportError:
try:
# 2.6 will have a json module in the stdlib
from json import loads as json_loads
except ImportError:
# fall back on local parser otherwise
comments = compile(r'/\*.*\*/|//[^\r\n]*', DOTALL)
def json_loads(string):
'''
Fairly competent json parser exploiting the python tokenizer and
eval(). -- From python-cloudfiles
_loads(serialized_json) -> object
'''
try:
res = []
consts = {'true': True, 'false': False, 'null': None}
string = '(' + comments.sub('', string) + ')'
for type, val, _junk, _junk, _junk in \
generate_tokens(StringIO(string).readline):
if (type == OP and val not in '[]{}:,()-') or \
(type == NAME and val not in consts):
raise AttributeError()
elif type == STRING:
res.append('u')
res.append(val.replace('\\/', '/'))
else:
res.append(val)
return eval(''.join(res), {}, consts)
except Exception:
raise AttributeError()
class ClientException(Exception):
def __init__(self, msg, http_scheme='', http_host='', http_port='',
http_path='', http_query='', http_status=0, http_reason='',
http_device=''):
Exception.__init__(self, msg)
self.msg = msg
self.http_scheme = http_scheme
self.http_host = http_host
self.http_port = http_port
self.http_path = http_path
self.http_query = http_query
self.http_status = http_status
self.http_reason = http_reason
self.http_device = http_device
def __str__(self):
a = self.msg
b = ''
if self.http_scheme:
b += '%s://' % self.http_scheme
if self.http_host:
b += self.http_host
if self.http_port:
b += ':%s' % self.http_port
if self.http_path:
b += self.http_path
if self.http_query:
b += '?%s' % self.http_query
if self.http_status:
if b:
b = '%s %s' % (b, self.http_status)
else:
b = str(self.http_status)
if self.http_reason:
if b:
b = '%s %s' % (b, self.http_reason)
else:
b = '- %s' % self.http_reason
if self.http_device:
if b:
b = '%s: device %s' % (b, self.http_device)
else:
b = 'device %s' % self.http_device
return b and '%s: %s' % (a, b) or a
def http_connection(url, proxy=None):
"""
Make an HTTPConnection or HTTPSConnection
:param url: url to connect to
:returns: tuple of (parsed url, connection object)
:raises ClientException: Unable to handle protocol scheme
"""
parsed = urlparse(proxy or url)
if parsed.scheme == 'http':
conn = HTTPConnection(parsed.netloc)
elif parsed.scheme == 'https':
conn = HTTPSConnection(parsed.netloc)
else:
raise ClientException('Cannot handle protocol scheme %s for url %s' %
(parsed.scheme, repr(proxy or url)))
if proxy:
parsed = urlparse(url)
return parsed, conn
def get_auth(url, user, key, snet=False):
"""
Get authentication/authorization credentials.
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.
:param url: authentication/authorization URL
:param user: user to authenticate as
:param key: key or password for authorization
:param snet: use SERVICENET internal network (see above), default is False
:returns: tuple of (storage URL, auth token)
:raises ClientException: HTTP GET request to auth URL failed
"""
parsed, conn = http_connection(url)
conn.request('GET', parsed.path, '',
{'X-Auth-User': user, 'X-Auth-Key': key})
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Auth GET failed', http_scheme=parsed.scheme,
http_host=conn.host, http_port=conn.port,
http_path=parsed.path, http_status=resp.status,
http_reason=resp.reason)
url = resp.getheader('x-storage-url')
if snet:
parsed = list(urlparse(url))
# Second item in the list is the netloc
parsed[1] = 'snet-' + parsed[1]
url = urlunparse(parsed)
return url, resp.getheader('x-storage-token',
resp.getheader('x-auth-token'))
def get_account(url, token, marker=None, limit=None, prefix=None,
http_conn=None, full_listing=False):
"""
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 http_conn: HTTP connection 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
: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
"""
if not http_conn:
http_conn = http_connection(url)
if full_listing:
rv = get_account(url, token, marker, limit, prefix, http_conn)
listing = rv[1]
while listing:
marker = listing[-1]['name']
listing = \
get_account(url, token, marker, limit, prefix, http_conn)[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)
conn.request('GET', '%s?%s' % (parsed.path, qs), '',
{'X-Auth-Token': token})
resp = conn.getresponse()
resp_headers = {}
for header, value in resp.getheaders():
resp_headers[header.lower()] = value
if resp.status < 200 or resp.status >= 300:
resp.read()
raise ClientException('Account GET failed', http_scheme=parsed.scheme,
http_host=conn.host, http_port=conn.port,
http_path=parsed.path, http_query=qs, http_status=resp.status,
http_reason=resp.reason)
if resp.status == 204:
resp.read()
return resp_headers, []
return resp_headers, json_loads(resp.read())
def head_account(url, token, http_conn=None):
"""
Get account stats.
:param url: storage URL
:param token: auth token
:param http_conn: HTTP connection object (If None, it will create the
conn object)
: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)
conn.request('HEAD', parsed.path, '', {'X-Auth-Token': token})
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Account HEAD failed', http_scheme=parsed.scheme,
http_host=conn.host, http_port=conn.port,
http_path=parsed.path, http_status=resp.status,
http_reason=resp.reason)
resp_headers = {}
for header, value in resp.getheaders():
resp_headers[header.lower()] = value
return resp_headers
def post_account(url, token, headers, http_conn=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: HTTP connection object (If None, it will create the
conn object)
:raises ClientException: HTTP POST request failed
"""
if http_conn:
parsed, conn = http_conn
else:
parsed, conn = http_connection(url)
headers['X-Auth-Token'] = token
conn.request('POST', parsed.path, '', headers)
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Account POST failed',
http_scheme=parsed.scheme, http_host=conn.host,
http_port=conn.port, http_path=path, http_status=resp.status,
http_reason=resp.reason)
def get_container(url, token, container, marker=None, limit=None,
prefix=None, delimiter=None, http_conn=None,
full_listing=False):
"""
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 delimeter: string to delimit the queries on
:param http_conn: HTTP connection 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
: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, http_conn)
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, http_conn)[1]
if listing:
rv[1].extend(listing)
return rv
parsed, conn = http_conn
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)
conn.request('GET', '%s?%s' % (path, qs), '', {'X-Auth-Token': token})
resp = conn.getresponse()
if resp.status < 200 or resp.status >= 300:
resp.read()
raise ClientException('Container GET failed',
http_scheme=parsed.scheme, http_host=conn.host,
http_port=conn.port, http_path=path, http_query=qs,
http_status=resp.status, http_reason=resp.reason)
resp_headers = {}
for header, value in resp.getheaders():
resp_headers[header.lower()] = value
if resp.status == 204:
resp.read()
return resp_headers, []
return resp_headers, json_loads(resp.read())
def head_container(url, token, container, http_conn=None):
"""
Get container stats.
:param url: storage URL
:param token: auth token
:param container: container name to get stats for
:param http_conn: HTTP connection object (If None, it will create the
conn object)
: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))
conn.request('HEAD', path, '', {'X-Auth-Token': token})
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Container HEAD failed',
http_scheme=parsed.scheme, http_host=conn.host,
http_port=conn.port, http_path=path, http_status=resp.status,
http_reason=resp.reason)
resp_headers = {}
for header, value in resp.getheaders():
resp_headers[header.lower()] = value
return resp_headers
def put_container(url, token, container, headers=None, http_conn=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: HTTP connection object (If None, it will create the
conn object)
: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))
if not headers:
headers = {}
headers['X-Auth-Token'] = token
conn.request('PUT', path, '', headers)
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Container PUT failed',
http_scheme=parsed.scheme, http_host=conn.host,
http_port=conn.port, http_path=path, http_status=resp.status,
http_reason=resp.reason)
def post_container(url, token, container, headers, http_conn=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: HTTP connection object (If None, it will create the
conn object)
: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))
headers['X-Auth-Token'] = token
conn.request('POST', path, '', headers)
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Container POST failed',
http_scheme=parsed.scheme, http_host=conn.host,
http_port=conn.port, http_path=path, http_status=resp.status,
http_reason=resp.reason)
def delete_container(url, token, container, http_conn=None):
"""
Delete a container
:param url: storage URL
:param token: auth token
:param container: container name to delete
:param http_conn: HTTP connection object (If None, it will create the
conn object)
: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))
conn.request('DELETE', path, '', {'X-Auth-Token': token})
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Container DELETE failed',
http_scheme=parsed.scheme, http_host=conn.host,
http_port=conn.port, http_path=path, http_status=resp.status,
http_reason=resp.reason)
def get_object(url, token, container, name, http_conn=None,
resp_chunk_size=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: HTTP connection 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.
: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))
conn.request('GET', path, '', {'X-Auth-Token': token})
resp = conn.getresponse()
if resp.status < 200 or resp.status >= 300:
resp.read()
raise ClientException('Object GET failed', http_scheme=parsed.scheme,
http_host=conn.host, http_port=conn.port, http_path=path,
http_status=resp.status, http_reason=resp.reason)
if resp_chunk_size:
def _object_body():
buf = resp.read(resp_chunk_size)
while buf:
yield buf
buf = resp.read(resp_chunk_size)
object_body = _object_body()
else:
object_body = resp.read()
resp_headers = {}
for header, value in resp.getheaders():
resp_headers[header.lower()] = value
return resp_headers, object_body
def head_object(url, token, container, name, http_conn=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: HTTP connection object (If None, it will create the
conn object)
: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))
conn.request('HEAD', path, '', {'X-Auth-Token': token})
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Object HEAD failed', http_scheme=parsed.scheme,
http_host=conn.host, http_port=conn.port, http_path=path,
http_status=resp.status, http_reason=resp.reason)
resp_headers = {}
for header, value in resp.getheaders():
resp_headers[header.lower()] = value
return resp_headers
def put_object(url, token=None, container=None, name=None, contents=None,
content_length=None, etag=None, chunk_size=65536,
content_type=None, headers=None, http_conn=None, proxy=None):
"""
Put an object
:param url: storage URL
:param token: auth token
:param container: container name that the object is in
:param name: object name to put
:param contents: a string or a file like object to read object data from
:param content_length: value to send as content-length header; also limits
the amount read from contents
:param etag: etag of contents
:param chunk_size: chunk size of data to write
:param content_type: value to send as content-type header
:param headers: additional headers to include in the request
:param http_conn: HTTP connection object (If None, it will create the
conn object)
:returns: etag from server response
: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 proxy:
path = parsed.scheme + '://' + parsed.netloc + path
if headers:
headers = dict(headers)
else:
headers = {}
if token:
headers['X-Auth-Token'] = 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.iteritems():
if n.lower() == 'content-length':
content_length = int(v)
if content_type is not None:
headers['Content-Type'] = content_type
if not contents:
headers['Content-Length'] = '0'
if hasattr(contents, 'read'):
conn.putrequest('PUT', path)
for header, value in headers.iteritems():
conn.putheader(header, value)
if content_length is None:
conn.putheader('Transfer-Encoding', 'chunked')
conn.endheaders()
chunk = contents.read(chunk_size)
while chunk:
conn.send('%x\r\n%s\r\n' % (len(chunk), chunk))
chunk = contents.read(chunk_size)
conn.send('0\r\n\r\n')
else:
conn.endheaders()
left = content_length
while left > 0:
size = chunk_size
if size > left:
size = left
chunk = contents.read(size)
conn.send(chunk)
left -= len(chunk)
else:
conn.request('PUT', path, contents, headers)
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Object PUT failed', http_scheme=parsed.scheme,
http_host=conn.host, http_port=conn.port, http_path=path,
http_status=resp.status, http_reason=resp.reason)
return resp.getheader('etag', '').strip('"')
def post_object(url, token, container, name, headers, http_conn=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: HTTP connection object (If None, it will create the
conn object)
: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))
headers['X-Auth-Token'] = token
conn.request('POST', path, '', headers)
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Object POST failed', http_scheme=parsed.scheme,
http_host=conn.host, http_port=conn.port, http_path=path,
http_status=resp.status, http_reason=resp.reason)
def delete_object(url, token=None, container=None, name=None, http_conn=None,
headers=None, proxy=None):
"""
Delete object
:param url: storage URL
:param token: auth token
:param container: container name that the object is in
:param name: object name to delete
:param http_conn: HTTP connection object (If None, it will create the
conn object)
: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 headers:
headers = dict(headers)
else:
headers = {}
if token:
headers['X-Auth-Token'] = token
if proxy:
path = parsed.scheme + '://' + parsed.netloc + path
conn.request('DELETE', path, '', headers)
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException('Object DELETE failed',
http_scheme=parsed.scheme, http_host=conn.host,
http_port=conn.port, http_path=path, http_status=resp.status,
http_reason=resp.reason)
class Connection(object):
"""Convenience class to make requests that will also retry the request"""
def __init__(self, authurl, user, key, retries=5, preauthurl=None,
preauthtoken=None, snet=False, starting_backoff=1):
"""
:param authurl: authenitcation 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)
:param snet: use SERVICENET internal network default is False
"""
self.authurl = authurl
self.user = user
self.key = key
self.retries = retries
self.http_conn = None
self.url = preauthurl
self.token = preauthtoken
self.attempts = 0
self.snet = snet
self.starting_backoff = starting_backoff
def get_auth(self):
return get_auth(self.authurl, self.user, self.key, snet=self.snet)
def http_connection(self):
return http_connection(self.url)
def _retry(self, reset_func, func, *args, **kwargs):
self.attempts = 0
backoff = self.starting_backoff
while self.attempts <= self.retries:
self.attempts += 1
try:
if not self.url or not self.token:
self.url, self.token = self.get_auth()
self.http_conn = None
if not self.http_conn:
self.http_conn = self.http_connection()
kwargs['http_conn'] = self.http_conn
rv = func(self.url, self.token, *args, **kwargs)
return rv
except (socket.error, HTTPException):
if self.attempts > self.retries:
raise
self.http_conn = None
except ClientException, err:
if self.attempts > self.retries:
raise
if err.http_status == 401:
self.url = self.token = None
if self.attempts > 1:
raise
elif err.http_status == 408:
self.http_conn = None
elif 500 <= err.http_status <= 599:
pass
else:
raise
sleep(backoff)
backoff *= 2
if reset_func:
reset_func(func, *args, **kwargs)
def head_account(self):
"""Wrapper for :func:`head_account`"""
return self._retry(None, head_account)
def get_account(self, marker=None, limit=None, prefix=None,
full_listing=False):
"""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, full_listing=full_listing)
def post_account(self, headers):
"""Wrapper for :func:`post_account`"""
return self._retry(None, post_account, headers)
def head_container(self, container):
"""Wrapper for :func:`head_container`"""
return self._retry(None, head_container, container)
def get_container(self, container, marker=None, limit=None, prefix=None,
delimiter=None, full_listing=False):
"""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,
full_listing=full_listing)
def put_container(self, container, headers=None):
"""Wrapper for :func:`put_container`"""
return self._retry(None, put_container, container, headers=headers)
def post_container(self, container, headers):
"""Wrapper for :func:`post_container`"""
return self._retry(None, post_container, container, headers)
def delete_container(self, container):
"""Wrapper for :func:`delete_container`"""
return self._retry(None, delete_container, container)
def head_object(self, container, obj):
"""Wrapper for :func:`head_object`"""
return self._retry(None, head_object, container, obj)
def get_object(self, container, obj, resp_chunk_size=None):
"""Wrapper for :func:`get_object`"""
return self._retry(None, get_object, container, obj,
resp_chunk_size=resp_chunk_size)
def put_object(self, container, obj, contents, content_length=None,
etag=None, chunk_size=65536, content_type=None,
headers=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))
reset_func = _default_reset
tell = getattr(contents, 'tell', None)
seek = getattr(contents, 'seek', None)
if tell and seek:
orig_pos = tell()
reset_func = lambda *a, **k: seek(orig_pos)
elif not contents:
reset_func = lambda *a, **k: None
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)
def post_object(self, container, obj, headers):
"""Wrapper for :func:`post_object`"""
return self._retry(None, post_object, container, obj, headers)
def delete_object(self, container, obj):
"""Wrapper for :func:`delete_object`"""
return self._retry(None, delete_object, container, obj)
# End inclusion of swift.common.client
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
def mkdirs(path):
try:
makedirs(path)
except OSError, err:
if err.errno != EEXIST:
raise
def put_errors_from_threads(threads, error_queue):
"""
Places any errors from the threads into error_queue.
:param threads: A list of QueueFunctionThread instances.
:param error_queue: A queue to put error strings into.
:returns: True if any errors were found.
"""
was_error = False
for thread in threads:
for info in thread.exc_infos:
was_error = True
if isinstance(info[1], ClientException):
error_queue.put(str(info[1]))
else:
error_queue.put(''.join(format_exception(*info)))
return was_error
class QueueFunctionThread(Thread):
def __init__(self, queue, func, *args, **kwargs):
""" Calls func for each item in queue; func is called with a queued
item as the first arg followed by *args and **kwargs. Use the abort
attribute to have the thread empty the queue (without processing)
and exit. """
Thread.__init__(self)
self.abort = False
self.queue = queue
self.func = func
self.args = args
self.kwargs = kwargs
self.exc_infos = []
def run(self):
try:
while True:
try:
item = self.queue.get_nowait()
if not self.abort:
self.func(item, *self.args, **self.kwargs)
self.queue.task_done()
except Empty:
if self.abort:
break
sleep(0.01)
except Exception:
self.exc_infos.append(exc_info())
st_delete_help = '''
delete --all OR delete container [--leave-segments] [object] [object] ...
Deletes everything in the account (with --all), or everything in a
container, or a list of objects depending on the args given. Segments of
manifest objects will be deleted as well, unless you specify the
--leave-segments option.'''.strip('\n')
def st_delete(parser, args, print_queue, error_queue):
parser.add_option('-a', '--all', action='store_true', dest='yes_all',
default=False, help='Indicates that you really want to delete '
'everything in the account')
parser.add_option('', '--leave-segments', action='store_true',
dest='leave_segments', default=False, help='Indicates that you want '
'the segments of manifest objects left alone')
(options, args) = parse_args(parser, args)
args = args[1:]
if (not args and not options.yes_all) or (args and options.yes_all):
error_queue.put('Usage: %s [options] %s' %
(basename(argv[0]), st_delete_help))
return
def _delete_segment((container, obj), conn):
conn.delete_object(container, obj)
if options.verbose:
if conn.attempts > 2:
print_queue.put('%s/%s [after %d attempts]' %
(container, obj, conn.attempts))
else:
print_queue.put('%s/%s' % (container, obj))
object_queue = Queue(10000)
def _delete_object((container, obj), conn):
try:
old_manifest = None
if not options.leave_segments:
try:
old_manifest = conn.head_object(container, obj).get(
'x-object-manifest')
except ClientException, err:
if err.http_status != 404:
raise
conn.delete_object(container, obj)
if old_manifest:
segment_queue = Queue(10000)
scontainer, sprefix = old_manifest.split('/', 1)
for delobj in conn.get_container(scontainer,
prefix=sprefix)[1]:
segment_queue.put((scontainer, delobj['name']))
if not segment_queue.empty():
segment_threads = [QueueFunctionThread(segment_queue,
_delete_segment, create_connection()) for _junk in
xrange(10)]
for thread in segment_threads:
thread.start()
while not segment_queue.empty():
sleep(0.01)
for thread in segment_threads:
thread.abort = True
while thread.isAlive():
thread.join(0.01)
put_errors_from_threads(segment_threads, error_queue)
if options.verbose:
path = options.yes_all and join(container, obj) or obj
if path[:1] in ('/', '\\'):
path = path[1:]
if conn.attempts > 1:
print_queue.put('%s [after %d attempts]' %
(path, conn.attempts))
else:
print_queue.put(path)
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Object %s not found' %
repr('%s/%s' % (container, obj)))
container_queue = Queue(10000)
def _delete_container(container, conn):
try:
marker = ''
while True:
objects = [o['name'] for o in
conn.get_container(container, marker=marker)[1]]
if not objects:
break
for obj in objects:
object_queue.put((container, obj))
marker = objects[-1]
while not object_queue.empty():
sleep(0.01)
attempts = 1
while True:
try:
conn.delete_container(container)
break
except ClientException, err:
if err.http_status != 409:
raise
if attempts > 10:
raise
attempts += 1
sleep(1)
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Container %s not found' % repr(container))
url, token = get_auth(options.auth, options.user, options.key,
snet=options.snet)
create_connection = lambda: Connection(options.auth, options.user,
options.key, preauthurl=url, preauthtoken=token, snet=options.snet)
object_threads = [QueueFunctionThread(object_queue, _delete_object,
create_connection()) for _junk in xrange(10)]
for thread in object_threads:
thread.start()
container_threads = [QueueFunctionThread(container_queue,
_delete_container, create_connection()) for _junk in xrange(10)]
for thread in container_threads:
thread.start()
if not args:
conn = create_connection()
try:
marker = ''
while True:
containers = \
[c['name'] for c in conn.get_account(marker=marker)[1]]
if not containers:
break
for container in containers:
container_queue.put(container)
marker = containers[-1]
while not container_queue.empty():
sleep(0.01)
while not object_queue.empty():
sleep(0.01)
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Account not found')
elif len(args) == 1:
if '/' in args[0]:
print >> stderr, 'WARNING: / in container name; you might have ' \
'meant %r instead of %r.' % \
(args[0].replace('/', ' ', 1), args[0])
conn = create_connection()
_delete_container(args[0], conn)
else:
for obj in args[1:]:
object_queue.put((args[0], obj))
while not container_queue.empty():
sleep(0.01)
for thread in container_threads:
thread.abort = True
while thread.isAlive():
thread.join(0.01)
put_errors_from_threads(container_threads, error_queue)
while not object_queue.empty():
sleep(0.01)
for thread in object_threads:
thread.abort = True
while thread.isAlive():
thread.join(0.01)
put_errors_from_threads(object_threads, error_queue)
st_download_help = '''
download --all OR download container [options] [object] [object] ...
Downloads everything in the account (with --all), or everything in a
container, or a list of objects depending on the args given. For a single
object download, you may use the -o [--output] <filename> option to
redirect the output to a specific file or if "-" then just redirect to
stdout.'''.strip('\n')
def st_download(options, args, print_queue, error_queue):
parser.add_option('-a', '--all', action='store_true', dest='yes_all',
default=False, help='Indicates that you really want to download '
'everything in the account')
parser.add_option('-o', '--output', dest='out_file', help='For a single '
'file download, stream the output to an alternate location ')
(options, args) = parse_args(parser, args)
args = args[1:]
if options.out_file == '-':
options.verbose = 0
if options.out_file and len(args) != 2:
exit('-o option only allowed for single file downloads')
if (not args and not options.yes_all) or (args and options.yes_all):
error_queue.put('Usage: %s [options] %s' %
(basename(argv[0]), st_download_help))
return
object_queue = Queue(10000)
def _download_object(queue_arg, conn):
if len(queue_arg) == 2:
container, obj = queue_arg
out_file = None
elif len(queue_arg) == 3:
container, obj, out_file = queue_arg
else:
raise Exception("Invalid queue_arg length of %s" % len(queue_arg))
try:
headers, body = \
conn.get_object(container, obj, resp_chunk_size=65536)
content_type = headers.get('content-type')
if 'content-length' in headers:
content_length = int(headers.get('content-length'))
else:
content_length = None
etag = headers.get('etag')
path = options.yes_all and join(container, obj) or obj
if path[:1] in ('/', '\\'):
path = path[1:]
md5sum = None
make_dir = out_file != "-"
if content_type.split(';', 1)[0] == 'text/directory':
if make_dir and not isdir(path):
mkdirs(path)
read_length = 0
if 'x-object-manifest' not in headers:
md5sum = md5()
for chunk in body:
read_length += len(chunk)
if md5sum:
md5sum.update(chunk)
else:
dirpath = dirname(path)
if make_dir and dirpath and not isdir(dirpath):
mkdirs(dirpath)
if out_file == "-":
fp = stdout
elif out_file:
fp = open(out_file, 'wb')
else:
fp = open(path, 'wb')
read_length = 0
if 'x-object-manifest' not in headers:
md5sum = md5()
for chunk in body:
fp.write(chunk)
read_length += len(chunk)
if md5sum:
md5sum.update(chunk)
fp.close()
if md5sum and md5sum.hexdigest() != etag:
error_queue.put('%s: md5sum != etag, %s != %s' %
(path, md5sum.hexdigest(), etag))
if content_length is not None and read_length != content_length:
error_queue.put('%s: read_length != content_length, %d != %d' %
(path, read_length, content_length))
if 'x-object-meta-mtime' in headers and not options.out_file:
mtime = float(headers['x-object-meta-mtime'])
utime(path, (mtime, mtime))
if options.verbose:
if conn.attempts > 1:
print_queue.put('%s [after %d attempts' %
(path, conn.attempts))
else:
print_queue.put(path)
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Object %s not found' %
repr('%s/%s' % (container, obj)))
container_queue = Queue(10000)
def _download_container(container, conn):
try:
marker = ''
while True:
objects = [o['name'] for o in
conn.get_container(container, marker=marker)[1]]
if not objects:
break
for obj in objects:
object_queue.put((container, obj))
marker = objects[-1]
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Container %s not found' % repr(container))
url, token = get_auth(options.auth, options.user, options.key,
snet=options.snet)
create_connection = lambda: Connection(options.auth, options.user,
options.key, preauthurl=url, preauthtoken=token, snet=options.snet)
object_threads = [QueueFunctionThread(object_queue, _download_object,
create_connection()) for _junk in xrange(10)]
for thread in object_threads:
thread.start()
container_threads = [QueueFunctionThread(container_queue,
_download_container, create_connection()) for _junk in xrange(10)]
for thread in container_threads:
thread.start()
if not args:
conn = create_connection()
try:
marker = ''
while True:
containers = [c['name']
for c in conn.get_account(marker=marker)[1]]
if not containers:
break
for container in containers:
container_queue.put(container)
marker = containers[-1]
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Account not found')
elif len(args) == 1:
if '/' in args[0]:
print >> stderr, 'WARNING: / in container name; you might have ' \
'meant %r instead of %r.' % \
(args[0].replace('/', ' ', 1), args[0])
_download_container(args[0], create_connection())
else:
if len(args) == 2:
obj = args[1]
object_queue.put((args[0], obj, options.out_file))
else:
for obj in args[1:]:
object_queue.put((args[0], obj))
while not container_queue.empty():
sleep(0.01)
for thread in container_threads:
thread.abort = True
while thread.isAlive():
thread.join(0.01)
put_errors_from_threads(container_threads, error_queue)
while not object_queue.empty():
sleep(0.01)
for thread in object_threads:
thread.abort = True
while thread.isAlive():
thread.join(0.01)
put_errors_from_threads(object_threads, error_queue)
st_list_help = '''
list [options] [container]
Lists the containers for the account or the objects for a container. -p or
--prefix is an option that will only list items beginning with that prefix.
-d or --delimiter is option (for container listings only) that will roll up
items with the given delimiter (see Cloud Files general documentation for
what this means).
'''.strip('\n')
def st_list(options, args, print_queue, error_queue):
parser.add_option('-p', '--prefix', dest='prefix', help='Will only list '
'items beginning with the prefix')
parser.add_option('-d', '--delimiter', dest='delimiter', help='Will roll '
'up items with the given delimiter (see Cloud Files general '
'documentation for what this means)')
(options, args) = parse_args(parser, args)
args = args[1:]
if options.delimiter and not args:
exit('-d option only allowed for container listings')
if len(args) > 1:
error_queue.put('Usage: %s [options] %s' %
(basename(argv[0]), st_list_help))
return
conn = Connection(options.auth, options.user, options.key,
snet=options.snet)
try:
marker = ''
while True:
if not args:
items = \
conn.get_account(marker=marker, prefix=options.prefix)[1]
else:
items = conn.get_container(args[0], marker=marker,
prefix=options.prefix, delimiter=options.delimiter)[1]
if not items:
break
for item in items:
print_queue.put(item.get('name', item.get('subdir')))
marker = items[-1].get('name', items[-1].get('subdir'))
except ClientException, err:
if err.http_status != 404:
raise
if not args:
error_queue.put('Account not found')
else:
error_queue.put('Container %s not found' % repr(args[0]))
st_stat_help = '''
stat [container] [object]
Displays information for the account, container, or object depending on the
args given (if any).'''.strip('\n')
def st_stat(options, args, print_queue, error_queue):
(options, args) = parse_args(parser, args)
args = args[1:]
conn = Connection(options.auth, options.user, options.key)
if not args:
try:
headers = conn.head_account()
if options.verbose > 1:
print_queue.put('''
StorageURL: %s
Auth Token: %s
'''.strip('\n') % (conn.url, conn.token))
container_count = int(headers.get('x-account-container-count', 0))
object_count = int(headers.get('x-account-object-count', 0))
bytes_used = int(headers.get('x-account-bytes-used', 0))
print_queue.put('''
Account: %s
Containers: %d
Objects: %d
Bytes: %d'''.strip('\n') % (conn.url.rsplit('/', 1)[-1], container_count,
object_count, bytes_used))
for key, value in headers.items():
if key.startswith('x-account-meta-'):
print_queue.put('%10s: %s' % ('Meta %s' %
key[len('x-account-meta-'):].title(), value))
for key, value in headers.items():
if not key.startswith('x-account-meta-') and key not in (
'content-length', 'date', 'x-account-container-count',
'x-account-object-count', 'x-account-bytes-used'):
print_queue.put(
'%10s: %s' % (key.title(), value))
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Account not found')
elif len(args) == 1:
if '/' in args[0]:
print >> stderr, 'WARNING: / in container name; you might have ' \
'meant %r instead of %r.' % \
(args[0].replace('/', ' ', 1), args[0])
try:
headers = conn.head_container(args[0])
object_count = int(headers.get('x-container-object-count', 0))
bytes_used = int(headers.get('x-container-bytes-used', 0))
print_queue.put('''
Account: %s
Container: %s
Objects: %d
Bytes: %d
Read ACL: %s
Write ACL: %s
Sync To: %s
Sync Key: %s'''.strip('\n') % (conn.url.rsplit('/', 1)[-1], args[0],
object_count, bytes_used,
headers.get('x-container-read', ''),
headers.get('x-container-write', ''),
headers.get('x-container-sync-to', ''),
headers.get('x-container-sync-key', '')))
for key, value in headers.items():
if key.startswith('x-container-meta-'):
print_queue.put('%9s: %s' % ('Meta %s' %
key[len('x-container-meta-'):].title(), value))
for key, value in headers.items():
if not key.startswith('x-container-meta-') and key not in (
'content-length', 'date', 'x-container-object-count',
'x-container-bytes-used', 'x-container-read',
'x-container-write', 'x-container-sync-to',
'x-container-sync-key'):
print_queue.put(
'%9s: %s' % (key.title(), value))
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Container %s not found' % repr(args[0]))
elif len(args) == 2:
try:
headers = conn.head_object(args[0], args[1])
print_queue.put('''
Account: %s
Container: %s
Object: %s
Content Type: %s'''.strip('\n') % (conn.url.rsplit('/', 1)[-1], args[0],
args[1], headers.get('content-type')))
if 'content-length' in headers:
print_queue.put('Content Length: %s' %
headers['content-length'])
if 'last-modified' in headers:
print_queue.put(' Last Modified: %s' %
headers['last-modified'])
if 'etag' in headers:
print_queue.put(' ETag: %s' % headers['etag'])
if 'x-object-manifest' in headers:
print_queue.put(' Manifest: %s' %
headers['x-object-manifest'])
for key, value in headers.items():
if key.startswith('x-object-meta-'):
print_queue.put('%14s: %s' % ('Meta %s' %
key[len('x-object-meta-'):].title(), value))
for key, value in headers.items():
if not key.startswith('x-object-meta-') and key not in (
'content-type', 'content-length', 'last-modified',
'etag', 'date', 'x-object-manifest'):
print_queue.put(
'%14s: %s' % (key.title(), value))
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Object %s not found' %
repr('%s/%s' % (args[0], args[1])))
else:
error_queue.put('Usage: %s [options] %s' %
(basename(argv[0]), st_stat_help))
st_post_help = '''
post [options] [container] [object]
Updates meta information for the account, container, or object depending on
the args given. If the container is not found, it will be created
automatically; but this is not true for accounts and objects. Containers
also allow the -r (or --read-acl) and -w (or --write-acl) options. The -m
or --meta option is allowed on all and used to define the user meta data
items to set in the form Name:Value. This option can be repeated. Example:
post -m Color:Blue -m Size:Large'''.strip('\n')
def st_post(options, args, print_queue, error_queue):
parser.add_option('-r', '--read-acl', dest='read_acl', help='Sets the '
'Read ACL for containers. Quick summary of ACL syntax: .r:*, '
'.r:-.example.com, .r:www.example.com, account1, account2:user2')
parser.add_option('-w', '--write-acl', dest='write_acl', help='Sets the '
'Write ACL for containers. Quick summary of ACL syntax: account1, '
'account2:user2')
parser.add_option('-t', '--sync-to', dest='sync_to', help='Sets the '
'Sync To for containers, for multi-cluster replication.')
parser.add_option('-k', '--sync-key', dest='sync_key', help='Sets the '
'Sync Key for containers, for multi-cluster replication.')
parser.add_option('-m', '--meta', action='append', dest='meta', default=[],
help='Sets a meta data item with the syntax name:value. This option '
'may be repeated. Example: -m Color:Blue -m Size:Large')
(options, args) = parse_args(parser, args)
args = args[1:]
if (options.read_acl or options.write_acl or options.sync_to or
options.sync_key) and not args:
exit('-r, -w, -t, and -k options only allowed for containers')
conn = Connection(options.auth, options.user, options.key)
if not args:
headers = {}
for item in options.meta:
split_item = item.split(':')
headers['X-Account-Meta-' + split_item[0]] = \
len(split_item) > 1 and split_item[1]
try:
conn.post_account(headers=headers)
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Account not found')
elif len(args) == 1:
if '/' in args[0]:
print >> stderr, 'WARNING: / in container name; you might have ' \
'meant %r instead of %r.' % \
(args[0].replace('/', ' ', 1), args[0])
headers = {}
for item in options.meta:
split_item = item.split(':')
headers['X-Container-Meta-' + split_item[0]] = \
len(split_item) > 1 and split_item[1]
if options.read_acl is not None:
headers['X-Container-Read'] = options.read_acl
if options.write_acl is not None:
headers['X-Container-Write'] = options.write_acl
if options.sync_to is not None:
headers['X-Container-Sync-To'] = options.sync_to
if options.sync_key is not None:
headers['X-Container-Sync-Key'] = options.sync_key
try:
conn.post_container(args[0], headers=headers)
except ClientException, err:
if err.http_status != 404:
raise
conn.put_container(args[0], headers=headers)
elif len(args) == 2:
headers = {}
for item in options.meta:
split_item = item.split(':')
headers['X-Object-Meta-' + split_item[0]] = \
len(split_item) > 1 and split_item[1]
try:
conn.post_object(args[0], args[1], headers=headers)
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Object %s not found' %
repr('%s/%s' % (args[0], args[1])))
else:
error_queue.put('Usage: %s [options] %s' %
(basename(argv[0]), st_post_help))
st_upload_help = '''
upload [options] container file_or_directory [file_or_directory] [...]
Uploads to the given container the files and directories specified by the
remaining args. -c or --changed is an option that will only upload files
that have changed since the last upload. -S <size> or --segment-size <size>
and --leave-segments are options as well (see --help for more).
'''.strip('\n')
def st_upload(options, args, print_queue, error_queue):
parser.add_option('-c', '--changed', action='store_true', dest='changed',
default=False, help='Will only upload files that have changed since '
'the last upload')
parser.add_option('-S', '--segment-size', dest='segment_size', help='Will '
'upload files in segments no larger than <size> and then create a '
'"manifest" file that will download all the segments as if it were '
'the original file. The segments will be uploaded to a '
'<container>_segments container so as to not pollute the main '
'<container> listings.')
parser.add_option('', '--leave-segments', action='store_true',
dest='leave_segments', default=False, help='Indicates that you want '
'the older segments of manifest objects left alone (in the case of '
'overwrites)')
(options, args) = parse_args(parser, args)
args = args[1:]
if len(args) < 2:
error_queue.put('Usage: %s [options] %s' %
(basename(argv[0]), st_upload_help))
return
object_queue = Queue(10000)
def _segment_job(job, conn):
if job.get('delete', False):
conn.delete_object(job['container'], job['obj'])
else:
fp = open(job['path'], 'rb')
fp.seek(job['segment_start'])
conn.put_object(job.get('container', args[0] + '_segments'),
job['obj'], fp, content_length=job['segment_size'])
if options.verbose and 'log_line' in job:
if conn.attempts > 1:
print_queue.put('%s [after %d attempts]' %
(job['log_line'], conn.attempts))
else:
print_queue.put(job['log_line'])
def _object_job(job, conn):
path = job['path']
container = job.get('container', args[0])
dir_marker = job.get('dir_marker', False)
try:
obj = path
if obj.startswith('./') or obj.startswith('.\\'):
obj = obj[2:]
put_headers = {'x-object-meta-mtime': str(getmtime(path))}
if dir_marker:
if options.changed:
try:
headers = conn.head_object(container, obj)
ct = headers.get('content-type')
cl = int(headers.get('content-length'))
et = headers.get('etag')
mt = headers.get('x-object-meta-mtime')
if ct.split(';', 1)[0] == 'text/directory' and \
cl == 0 and \
et == 'd41d8cd98f00b204e9800998ecf8427e' and \
mt == put_headers['x-object-meta-mtime']:
return
except ClientException, err:
if err.http_status != 404:
raise
conn.put_object(container, obj, '', content_length=0,
content_type='text/directory',
headers=put_headers)
else:
# We need to HEAD all objects now in case we're overwriting a
# manifest object and need to delete the old segments
# ourselves.
old_manifest = None
if options.changed or not options.leave_segments:
try:
headers = conn.head_object(container, obj)
cl = int(headers.get('content-length'))
mt = headers.get('x-object-meta-mtime')
if options.changed and cl == getsize(path) and \
mt == put_headers['x-object-meta-mtime']:
return
if not options.leave_segments:
old_manifest = headers.get('x-object-manifest')
except ClientException, err:
if err.http_status != 404:
raise
if options.segment_size and \
getsize(path) < options.segment_size:
full_size = getsize(path)
segment_queue = Queue(10000)
segment_threads = [QueueFunctionThread(segment_queue,
_segment_job, create_connection()) for _junk in
xrange(10)]
for thread in segment_threads:
thread.start()
segment = 0
segment_start = 0
while segment_start < full_size:
segment_size = int(options.segment_size)
if segment_start + segment_size > full_size:
segment_size = full_size - segment_start
segment_queue.put({'path': path,
'obj': '%s/%s/%s/%08d' % (obj,
put_headers['x-object-meta-mtime'], full_size,
segment),
'segment_start': segment_start,
'segment_size': segment_size,
'log_line': '%s segment %s' % (obj, segment)})
segment += 1
segment_start += segment_size
while not segment_queue.empty():
sleep(0.01)
for thread in segment_threads:
thread.abort = True
while thread.isAlive():
thread.join(0.01)
if put_errors_from_threads(segment_threads, error_queue):
raise ClientException('Aborting manifest creation '
'because not all segments could be uploaded. %s/%s'
% (container, obj))
new_object_manifest = '%s_segments/%s/%s/%s/' % (
container, obj, put_headers['x-object-meta-mtime'],
full_size)
if old_manifest == new_object_manifest:
old_manifest = None
put_headers['x-object-manifest'] = new_object_manifest
conn.put_object(container, obj, '', content_length=0,
headers=put_headers)
else:
conn.put_object(container, obj, open(path, 'rb'),
content_length=getsize(path), headers=put_headers)
if old_manifest:
segment_queue = Queue(10000)
scontainer, sprefix = old_manifest.split('/', 1)
for delobj in conn.get_container(scontainer,
prefix=sprefix)[1]:
segment_queue.put({'delete': True,
'container': scontainer, 'obj': delobj['name']})
if not segment_queue.empty():
segment_threads = [QueueFunctionThread(segment_queue,
_segment_job, create_connection()) for _junk in
xrange(10)]
for thread in segment_threads:
thread.start()
while not segment_queue.empty():
sleep(0.01)
for thread in segment_threads:
thread.abort = True
while thread.isAlive():
thread.join(0.01)
put_errors_from_threads(segment_threads, error_queue)
if options.verbose:
if conn.attempts > 1:
print_queue.put(
'%s [after %d attempts]' % (obj, conn.attempts))
else:
print_queue.put(obj)
except OSError, err:
if err.errno != ENOENT:
raise
error_queue.put('Local file %s not found' % repr(path))
def _upload_dir(path):
names = listdir(path)
if not names:
object_queue.put({'path': path, 'dir_marker': True})
else:
for name in listdir(path):
subpath = join(path, name)
if isdir(subpath):
_upload_dir(subpath)
else:
object_queue.put({'path': subpath})
url, token = get_auth(options.auth, options.user, options.key,
snet=options.snet)
create_connection = lambda: Connection(options.auth, options.user,
options.key, preauthurl=url, preauthtoken=token, snet=options.snet)
object_threads = [QueueFunctionThread(object_queue, _object_job,
create_connection()) for _junk in xrange(10)]
for thread in object_threads:
thread.start()
conn = create_connection()
# Try to create the container, just in case it doesn't exist. If this
# fails, it might just be because the user doesn't have container PUT
# permissions, so we'll ignore any error. If there's really a problem,
# it'll surface on the first object PUT.
try:
conn.put_container(args[0])
if options.segment_size is not None:
conn.put_container(args[0] + '_segments')
except Exception:
pass
try:
for arg in args[1:]:
if isdir(arg):
_upload_dir(arg)
else:
object_queue.put({'path': arg})
while not object_queue.empty():
sleep(0.01)
for thread in object_threads:
thread.abort = True
while thread.isAlive():
thread.join(0.01)
put_errors_from_threads(object_threads, error_queue)
except ClientException, err:
if err.http_status != 404:
raise
error_queue.put('Account not found')
def parse_args(parser, args, enforce_requires=True):
if not args:
args = ['-h']
(options, args) = parser.parse_args(args)
if enforce_requires and \
not (options.auth and options.user and options.key):
exit('''
Requires ST_AUTH, ST_USER, and ST_KEY environment variables be set or
overridden with -A, -U, or -K.'''.strip('\n'))
return options, args
if __name__ == '__main__':
parser = OptionParser(version='%prog 1.0', usage='''
Usage: %%prog <command> [options] [args]
Commands:
%(st_stat_help)s
%(st_list_help)s
%(st_upload_help)s
%(st_post_help)s
%(st_download_help)s
%(st_delete_help)s
Example:
%%prog -A https://auth.api.rackspacecloud.com/v1.0 -U user -K key stat
'''.strip('\n') % globals())
parser.add_option('-s', '--snet', action='store_true', dest='snet',
default=False, help='Use SERVICENET internal network')
parser.add_option('-v', '--verbose', action='count', dest='verbose',
default=1, help='Print more info')
parser.add_option('-q', '--quiet', action='store_const', dest='verbose',
const=0, default=1, help='Suppress status output')
parser.add_option('-A', '--auth', dest='auth',
default=environ.get('ST_AUTH'),
help='URL for obtaining an auth token')
parser.add_option('-U', '--user', dest='user',
default=environ.get('ST_USER'),
help='User name for obtaining an auth token')
parser.add_option('-K', '--key', dest='key',
default=environ.get('ST_KEY'),
help='Key for obtaining an auth token')
parser.disable_interspersed_args()
(options, args) = parse_args(parser, argv[1:], enforce_requires=False)
parser.enable_interspersed_args()
commands = ('delete', 'download', 'list', 'post', 'stat', 'upload')
if not args or args[0] not in commands:
parser.print_usage()
if args:
exit('no such command: %s' % args[0])
exit()
print_queue = Queue(10000)
def _print(item):
if isinstance(item, unicode):
item = item.encode('utf8')
print item
print_thread = QueueFunctionThread(print_queue, _print)
print_thread.start()
error_queue = Queue(10000)
def _error(item):
if isinstance(item, unicode):
item = item.encode('utf8')
print >> stderr, item
error_thread = QueueFunctionThread(error_queue, _error)
error_thread.start()
try:
parser.usage = globals()['st_%s_help' % args[0]]
try:
globals()['st_%s' % args[0]](parser, argv[1:], print_queue,
error_queue)
except (ClientException, HTTPException, socket.error), err:
error_queue.put(str(err))
while not print_queue.empty():
sleep(0.01)
print_thread.abort = True
while print_thread.isAlive():
print_thread.join(0.01)
while not error_queue.empty():
sleep(0.01)
error_thread.abort = True
while error_thread.isAlive():
error_thread.join(0.01)
except (SystemExit, Exception):
for thread in threading_enumerate():
thread.abort = True
raise