def update_deleted(self, job):
"""
High-level method that replicates a single partition that doesn't
belong on this node.
:param job: a dict containing info about the partition to be replicated
"""
def tpool_get_suffixes(path):
return [suff for suff in os.listdir(path)
if len(suff) == 3 and isdir(join(path, suff))]
self.replication_count += 1
begin = time.time()
try:
responses = []
suffixes = tpool.execute(tpool_get_suffixes, job['path'])
if suffixes:
for node in job['nodes']:
success = self.rsync(node, job, suffixes)
if success:
with Timeout(self.http_timeout):
http_connect(node['ip'], node['port'],
node['device'], job['partition'], 'REPLICATE',
'/' + '-'.join(suffixes),
headers={'Content-Length': '0'}).getresponse().read()
responses.append(success)
if not suffixes or (len(responses) == \
self.object_ring.replica_count and all(responses)):
self.logger.info(_("Removing partition: %s"), job['path'])
tpool.execute(shutil.rmtree, job['path'], ignore_errors=True)
except (Exception, Timeout):
self.logger.exception(_("Error syncing handoff partition"))
finally:
self.partition_times.append(time.time() - begin)
def test_nonstr_header_values(self):
class MockHTTPSConnection(object):
def __init__(self, hostport):
pass
def putrequest(self, method, path):
pass
def putheader(self, header, *values):
# Essentially what Python 2.7 does that caused us problems.
'\r\n\t'.join(values)
def endheaders(self):
pass
origHTTPSConnection = bufferedhttp.HTTPSConnection
bufferedhttp.HTTPSConnection = MockHTTPSConnection
try:
bufferedhttp.http_connect('127.0.0.1', 8080, 'sda', 1, 'GET', '/',
headers={'x-one': '1', 'x-two': 2, 'x-three': 3.0,
'x-four': {'crazy': 'value'}}, ssl=True)
bufferedhttp.http_connect_raw('127.0.0.1', 8080, 'GET', '/',
headers={'x-one': '1', 'x-two': 2, 'x-three': 3.0,
'x-four': {'crazy': 'value'}}, ssl=True)
finally:
bufferedhttp.HTTPSConnection = origHTTPSConnection
def test_nonstr_header_values(self):
class MockHTTPSConnection(object):
def __init__(self, hostport):
pass
def putrequest(self, method, path):
pass
def putheader(self, header, *values):
# Essentially what Python 2.7 does that caused us problems.
'\r\n\t'.join(values)
def endheaders(self):
pass
origHTTPSConnection = bufferedhttp.HTTPSConnection
bufferedhttp.HTTPSConnection = MockHTTPSConnection
try:
bufferedhttp.http_connect('127.0.0.1',
8080,
'sda',
1,
'GET',
'/',
headers={
'x-one': '1',
'x-two': 2,
'x-three': 3.0,
'x-four': {
'crazy': 'value'
}
},
ssl=True)
bufferedhttp.http_connect_raw('127.0.0.1',
8080,
'GET',
'/',
headers={
'x-one': '1',
'x-two': 2,
'x-three': 3.0,
'x-four': {
'crazy': 'value'
}
},
ssl=True)
finally:
bufferedhttp.HTTPSConnection = origHTTPSConnection
def direct_delete_container(node,
part,
account,
container,
conn_timeout=5,
response_timeout=15,
headers={}):
path = '/%s/%s' % (account, container)
headers['X-Timestamp'] = normalize_timestamp(time())
with Timeout(conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'], part,
'DELETE', path, headers)
with Timeout(response_timeout):
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException(
'Container server %s:%s direct DELETE %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)), resp.status),
http_host=node['ip'],
http_port=node['port'],
http_device=node['device'],
http_status=resp.status,
http_reason=resp.reason)
def direct_delete_object(node, part, account, container, obj,
conn_timeout=5, response_timeout=15, headers={}):
"""
Delete object directly from the object server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param obj: object name
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:returns: response from server
"""
path = '/%s/%s/%s' % (account, container, obj)
headers['X-Timestamp'] = normalize_timestamp(time())
with Timeout(conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'], part,
'DELETE', path, headers)
with Timeout(response_timeout):
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException(
'Object server %s:%s direct DELETE %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)),
resp.status),
http_host=node['ip'], http_port=node['port'],
http_device=node['device'], http_status=resp.status,
http_reason=resp.reason)
def direct_head_container(node, part, account, container, conn_timeout=5,
response_timeout=15):
"""
Request container information directly from the container server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:returns: a dict containing the response's headers (all header names will
be lowercase)
"""
path = '/%s/%s' % (account, container)
with Timeout(conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'], part,
'HEAD', path)
with Timeout(response_timeout):
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException(
'Container server %s:%s direct HEAD %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)),
resp.status),
http_host=node['ip'], http_port=node['port'],
http_device=node['device'], 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 direct_post_object(node, part, account, container, name, headers,
conn_timeout=5, response_timeout=15):
"""
Direct update to object metadata on object server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param name: object name
:param headers: headers to store as metadata
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:raises ClientException: HTTP POST request failed
"""
path = '/%s/%s/%s' % (account, container, name)
headers['X-Timestamp'] = normalize_timestamp(time())
with Timeout(conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'], part,
'POST', path, headers=headers)
with Timeout(response_timeout):
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException(
'Object server %s:%s direct POST %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)),
resp.status),
http_host=node['ip'], http_port=node['port'],
http_device=node['device'], http_status=resp.status,
http_reason=resp.reason)
def account_update(self, req, account, container, broker):
"""
Update the account server with latest container info.
:param req: webob.Request object
:param account: account name
:param container: container name
:param borker: container DB broker object
:returns: if the account request returns a 404 error code,
HTTPNotFound response object, otherwise None.
"""
account_host = req.headers.get('X-Account-Host')
account_partition = req.headers.get('X-Account-Partition')
account_device = req.headers.get('X-Account-Device')
if all([account_host, account_partition, account_device]):
account_ip, account_port = account_host.rsplit(':', 1)
new_path = '/' + '/'.join([account, container])
info = broker.get_info()
account_headers = {
'x-put-timestamp': info['put_timestamp'],
'x-delete-timestamp': info['delete_timestamp'],
'x-object-count': info['object_count'],
'x-bytes-used': info['bytes_used'],
'x-trans-id': req.headers.get('x-trans-id', '-')
}
if req.headers.get('x-account-override-deleted', 'no').lower() == \
'yes':
account_headers['x-account-override-deleted'] = 'yes'
try:
with ConnectionTimeout(self.conn_timeout):
conn = http_connect(account_ip, account_port,
account_device, account_partition,
'PUT', new_path, account_headers)
with Timeout(self.node_timeout):
account_response = conn.getresponse()
account_response.read()
if account_response.status == 404:
return HTTPNotFound(request=req)
elif account_response.status < 200 or \
account_response.status > 299:
self.logger.error(
_('ERROR Account update failed '
'with %(ip)s:%(port)s/%(device)s (will retry '
'later): Response %(status)s %(reason)s'), {
'ip': account_ip,
'port': account_port,
'device': account_device,
'status': account_response.status,
'reason': account_response.reason
})
except (Exception, Timeout):
self.logger.exception(
_('ERROR account update failed with '
'%(ip)s:%(port)s/%(device)s (will retry later)'), {
'ip': account_ip,
'port': account_port,
'device': account_device
})
return None
class TestBufferedHTTP(unittest.TestCase):
def test_http_connect(self):
bindsock = listen(('127.0.0.1', 0))
def accept(expected_par):
try:
with Timeout(3):
sock, addr = bindsock.accept()
fp = sock.makefile()
fp.write('HTTP/1.1 200 OK\r\nContent-Length: 8\r\n\r\n'
'RESPONSE')
fp.flush()
self.assertEquals(
fp.readline(),
'PUT /dev/%s/path/..%%25/?omg&no=%%7f HTTP/1.1\r\n' %
expected_par)
headers = {}
line = fp.readline()
while line and line != '\r\n':
headers[line.split(':')[0].lower()] = \
line.split(':')[1].strip()
line = fp.readline()
self.assertEquals(headers['content-length'], '7')
self.assertEquals(headers['x-header'], 'value')
self.assertEquals(fp.readline(), 'REQUEST\r\n')
except BaseException, err:
return err
return None
for par in ('par', 1357):
event = spawn(accept, par)
try:
with Timeout(3):
conn = bufferedhttp.http_connect('127.0.0.1',
bindsock.getsockname()[1],
'dev',
par,
'PUT',
'/path/..%/', {
'content-length': 7,
'x-header': 'value'
},
query_string='omg&no=%7f')
conn.send('REQUEST\r\n')
resp = conn.getresponse()
body = resp.read()
conn.close()
self.assertEquals(resp.status, 200)
self.assertEquals(resp.reason, 'OK')
self.assertEquals(body, 'RESPONSE')
finally:
err = event.wait()
if err:
raise Exception(err)
def direct_put_object(node, part, account, container, name, contents,
content_length=None, etag=None, content_type=None,
headers=None, conn_timeout=5, response_timeout=15,
resp_chunk_size=None):
"""
Put object directly from the object server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param name: object name
:param contents: a string to read object data from
:param content_length: value to send as content-length header
:param etag: etag of contents
:param content_type: value to send as content-type header
:param headers: additional headers to include in the request
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:param chunk_size: if defined, chunk size of data to send.
:returns: etag from the server response
"""
# TODO: Add chunked puts
path = '/%s/%s/%s' % (account, container, name)
if headers is None:
headers = {}
if etag:
headers['ETag'] = etag.strip('"')
if content_length is not None:
headers['Content-Length'] = str(content_length)
if content_type is not None:
headers['Content-Type'] = content_type
else:
headers['Content-Type'] = 'application/octet-stream'
if not contents:
headers['Content-Length'] = '0'
headers['X-Timestamp'] = normalize_timestamp(time())
with Timeout(conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'], part,
'PUT', path, headers=headers)
conn.send(contents)
with Timeout(response_timeout):
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException(
'Object server %s:%s direct PUT %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)),
resp.status),
http_host=node['ip'], http_port=node['port'],
http_device=node['device'], http_status=resp.status,
http_reason=resp.reason)
return resp.getheader('etag').strip('"')
def update_deleted(self, job):
"""
High-level method that replicates a single partition that doesn't
belong on this node.
:param job: a dict containing info about the partition to be replicated
"""
def tpool_get_suffixes(path):
return [
suff for suff in os.listdir(path)
if len(suff) == 3 and isdir(join(path, suff))
]
self.replication_count += 1
begin = time.time()
try:
responses = []
suffixes = tpool.execute(tpool_get_suffixes, job['path'])
if suffixes:
for node in job['nodes']:
success = self.rsync(node, job, suffixes)
if success:
with Timeout(self.http_timeout):
http_connect(node['ip'],
node['port'],
node['device'],
job['partition'],
'REPLICATE',
'/' + '-'.join(suffixes),
headers={
'Content-Length': '0'
}).getresponse().read()
responses.append(success)
if not suffixes or (len(responses) == \
self.object_ring.replica_count and all(responses)):
self.logger.info(_("Removing partition: %s"), job['path'])
tpool.execute(shutil.rmtree, job['path'], ignore_errors=True)
except (Exception, Timeout):
self.logger.exception(_("Error syncing handoff partition"))
finally:
self.partition_times.append(time.time() - begin)
def account_update(self, req, account, container, broker):
"""
Update the account server with latest container info.
:param req: webob.Request object
:param account: account name
:param container: container name
:param borker: container DB broker object
:returns: if the account request returns a 404 error code,
HTTPNotFound response object, otherwise None.
"""
account_host = req.headers.get('X-Account-Host')
account_partition = req.headers.get('X-Account-Partition')
account_device = req.headers.get('X-Account-Device')
if all([account_host, account_partition, account_device]):
account_ip, account_port = account_host.rsplit(':', 1)
new_path = '/' + '/'.join([account, container])
info = broker.get_info()
account_headers = {'x-put-timestamp': info['put_timestamp'],
'x-delete-timestamp': info['delete_timestamp'],
'x-object-count': info['object_count'],
'x-bytes-used': info['bytes_used'],
'x-trans-id': req.headers.get('x-trans-id', '-')}
if req.headers.get('x-account-override-deleted', 'no').lower() == \
'yes':
account_headers['x-account-override-deleted'] = 'yes'
try:
with ConnectionTimeout(self.conn_timeout):
conn = http_connect(account_ip, account_port,
account_device, account_partition, 'PUT', new_path,
account_headers)
with Timeout(self.node_timeout):
account_response = conn.getresponse()
account_response.read()
if account_response.status == 404:
return HTTPNotFound(request=req)
elif account_response.status < 200 or \
account_response.status > 299:
self.logger.error(_('ERROR Account update failed '
'with %(ip)s:%(port)s/%(device)s (will retry '
'later): Response %(status)s %(reason)s'),
{'ip': account_ip, 'port': account_port,
'device': account_device,
'status': account_response.status,
'reason': account_response.reason})
except (Exception, Timeout):
self.logger.exception(_('ERROR account update failed with '
'%(ip)s:%(port)s/%(device)s (will retry later)'),
{'ip': account_ip, 'port': account_port,
'device': account_device})
return None
def direct_get_container(node, part, account, container, marker=None,
limit=None, prefix=None, delimiter=None,
conn_timeout=5, response_timeout=15):
"""
Get container listings directly from the container server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param marker: marker query
:param limit: query limit
:param prefix: prefix query
:param delimeter: delimeter for the query
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:returns: a tuple of (response headers, a list of objects) The response
headers will be a dict and all header names will be lowercase.
"""
path = '/%s/%s' % (account, 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)
with Timeout(conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'], part,
'GET', path, query_string='format=json')
with Timeout(response_timeout):
resp = conn.getresponse()
if resp.status < 200 or resp.status >= 300:
resp.read()
raise ClientException(
'Container server %s:%s direct GET %s gave stats %s' % (node['ip'],
node['port'], repr('/%s/%s%s' % (node['device'], part, path)),
resp.status),
http_host=node['ip'], http_port=node['port'],
http_device=node['device'], 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 direct_get_object(node, part, account, container, obj, conn_timeout=5,
response_timeout=15, resp_chunk_size=None, headers={}):
"""
Get object directly from the object server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param obj: object name
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:param resp_chunk_size: if defined, chunk size of data to read.
:param headers: dict to be passed into HTTPConnection headers
:returns: a tuple of (response headers, the object's contents) The response
headers will be a dict and all header names will be lowercase.
"""
path = '/%s/%s/%s' % (account, container, obj)
with Timeout(conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'], part,
'GET', path, headers=headers)
with Timeout(response_timeout):
resp = conn.getresponse()
if resp.status < 200 or resp.status >= 300:
resp.read()
raise ClientException(
'Object server %s:%s direct GET %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)),
resp.status),
http_host=node['ip'], http_port=node['port'],
http_device=node['device'], 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 async_update(self, op, account, container, obj, host, partition,
contdevice, headers_out, objdevice):
"""
Sends or saves an async update.
:param op: operation performed (ex: 'PUT', or 'DELETE')
:param account: account name for the object
:param container: container name for the object
:param obj: object name
:param host: host that the container is on
:param partition: partition that the container is on
:param contdevice: device name that the container is on
:param headers_out: dictionary of headers to send in the container
request
:param objdevice: device name that the object is in
"""
full_path = '/%s/%s/%s' % (account, container, obj)
if all([host, partition, contdevice]):
try:
with ConnectionTimeout(self.conn_timeout):
ip, port = host.rsplit(':', 1)
conn = http_connect(ip, port, contdevice, partition, op,
full_path, headers_out)
with Timeout(self.node_timeout):
response = conn.getresponse()
response.read()
if 200 <= response.status < 300:
return
else:
self.logger.error(_('ERROR Container update failed '
'(saving for async update later): %(status)d '
'response from %(ip)s:%(port)s/%(dev)s'),
{'status': response.status, 'ip': ip, 'port': port,
'dev': contdevice})
except (Exception, Timeout):
self.logger.exception(_('ERROR container update failed with '
'%(ip)s:%(port)s/%(dev)s (saving for async update later)'),
{'ip': ip, 'port': port, 'dev': contdevice})
async_dir = os.path.join(self.devices, objdevice, ASYNCDIR)
ohash = hash_path(account, container, obj)
write_pickle(
{'op': op, 'account': account, 'container': container,
'obj': obj, 'headers': headers_out},
os.path.join(async_dir, ohash[-3:], ohash + '-' +
normalize_timestamp(headers_out['x-timestamp'])),
os.path.join(self.devices, objdevice, 'tmp'))
def direct_post_object(node,
part,
account,
container,
name,
headers,
conn_timeout=5,
response_timeout=15):
"""
Direct update to object metadata on object server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param name: object name
:param headers: headers to store as metadata
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:raises ClientException: HTTP POST request failed
"""
path = '/%s/%s/%s' % (account, container, name)
headers['X-Timestamp'] = normalize_timestamp(time())
with Timeout(conn_timeout):
conn = http_connect(node['ip'],
node['port'],
node['device'],
part,
'POST',
path,
headers=headers)
with Timeout(response_timeout):
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException(
'Object server %s:%s direct POST %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)), resp.status),
http_host=node['ip'],
http_port=node['port'],
http_device=node['device'],
http_status=resp.status,
http_reason=resp.reason)
def direct_delete_container(node, part, account, container, conn_timeout=5,
response_timeout=15, headers={}):
path = '/%s/%s' % (account, container)
headers['X-Timestamp'] = normalize_timestamp(time())
with Timeout(conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'], part,
'DELETE', path, headers)
with Timeout(response_timeout):
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException(
'Container server %s:%s direct DELETE %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)),
resp.status),
http_host=node['ip'], http_port=node['port'],
http_device=node['device'], http_status=resp.status,
http_reason=resp.reason)
def direct_head_object(node,
part,
account,
container,
obj,
conn_timeout=5,
response_timeout=15):
"""
Request object information directly from the object server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param obj: object name
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:returns: a dict containing the response's headers (all header names will
be lowercase)
"""
path = '/%s/%s/%s' % (account, container, obj)
with Timeout(conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'], part,
'HEAD', path)
with Timeout(response_timeout):
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException(
'Object server %s:%s direct HEAD %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)), resp.status),
http_host=node['ip'],
http_port=node['port'],
http_device=node['device'],
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 object_update(self, node, part, op, obj, headers):
"""
Perform the object update to the container
:param node: node dictionary from the container ring
:param part: partition that holds the container
:param op: operation performed (ex: 'POST' or 'DELETE')
:param obj: object name being updated
:param headers: headers to send with the update
"""
try:
with ConnectionTimeout(self.conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'],
part, op, obj, headers)
with Timeout(self.node_timeout):
resp = conn.getresponse()
resp.read()
return resp.status
except (Exception, Timeout):
self.logger.exception(_('ERROR with remote server '
'%(ip)s:%(port)s/%(device)s'), node)
return 500
def direct_delete_object(node,
part,
account,
container,
obj,
conn_timeout=5,
response_timeout=15,
headers={}):
"""
Delete object directly from the object server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param obj: object name
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:returns: response from server
"""
path = '/%s/%s/%s' % (account, container, obj)
headers['X-Timestamp'] = normalize_timestamp(time())
with Timeout(conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'], part,
'DELETE', path, headers)
with Timeout(response_timeout):
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException(
'Object server %s:%s direct DELETE %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)), resp.status),
http_host=node['ip'],
http_port=node['port'],
http_device=node['device'],
http_status=resp.status,
http_reason=resp.reason)
def object_update(self, node, part, op, obj, headers):
"""
Perform the object update to the container
:param node: node dictionary from the container ring
:param part: partition that holds the container
:param op: operation performed (ex: 'POST' or 'DELETE')
:param obj: object name being updated
:param headers: headers to send with the update
"""
try:
with ConnectionTimeout(self.conn_timeout):
conn = http_connect(node['ip'], node['port'], node['device'],
part, op, obj, headers)
with Timeout(self.node_timeout):
resp = conn.getresponse()
resp.read()
return resp.status
except (Exception, Timeout):
self.logger.exception(
_('ERROR with remote server '
'%(ip)s:%(port)s/%(device)s'), node)
return 500
def container_report(self, node, part, container, put_timestamp,
delete_timestamp, count, bytes):
"""
Report container info to an account server.
:param node: node dictionary from the account ring
:param part: partition the account is on
:param container: container name
:param put_timestamp: put timestamp
:param delete_timestamp: delete timestamp
:param count: object count in the container
:param bytes: bytes used in the container
"""
with ConnectionTimeout(self.conn_timeout):
try:
conn = http_connect(
node['ip'], node['port'], node['device'], part,
'PUT', container,
headers={'X-Put-Timestamp': put_timestamp,
'X-Delete-Timestamp': delete_timestamp,
'X-Object-Count': count,
'X-Bytes-Used': bytes,
'X-Account-Override-Deleted': 'yes'})
except (Exception, Timeout):
self.logger.exception(_('ERROR account update failed with '
'%(ip)s:%(port)s/%(device)s (will retry later): '), node)
return 500
with Timeout(self.node_timeout):
try:
resp = conn.getresponse()
resp.read()
return resp.status
except (Exception, Timeout):
if self.logger.getEffectiveLevel() <= logging.DEBUG:
self.logger.exception(
_('Exception with %(ip)s:%(port)s/%(device)s'), node)
return 500
def update(self, job):
"""
High-level method that replicates a single partition.
:param job: a dict containing info about the partition to be replicated
"""
self.replication_count += 1
begin = time.time()
try:
hashed, local_hash = tpool.execute(tpooled_get_hashes, job['path'],
do_listdir=(self.replication_count % 10) == 0,
reclaim_age=self.reclaim_age)
# See tpooled_get_hashes "Hack".
if isinstance(hashed, BaseException):
raise hashed
self.suffix_hash += hashed
attempts_left = self.object_ring.replica_count - 1
nodes = itertools.chain(job['nodes'],
self.object_ring.get_more_nodes(int(job['partition'])))
while attempts_left > 0:
# If this throws StopIterator it will be caught way below
node = next(nodes)
attempts_left -= 1
try:
with Timeout(self.http_timeout):
resp = http_connect(node['ip'], node['port'],
node['device'], job['partition'], 'REPLICATE',
'', headers={'Content-Length': '0'}).getresponse()
if resp.status == 507:
self.logger.error(_('%(ip)s/%(device)s responded'
' as unmounted'), node)
attempts_left += 1
continue
if resp.status != 200:
self.logger.error(_("Invalid response %(resp)s "
"from %(ip)s"),
{'resp': resp.status, 'ip': node['ip']})
continue
remote_hash = pickle.loads(resp.read())
del resp
suffixes = [suffix for suffix in local_hash if
local_hash[suffix] != remote_hash.get(suffix, -1)]
if not suffixes:
continue
hashed, recalc_hash = tpool.execute(tpooled_get_hashes,
job['path'], recalculate=suffixes,
reclaim_age=self.reclaim_age)
# See tpooled_get_hashes "Hack".
if isinstance(hashed, BaseException):
raise hashed
local_hash = recalc_hash
suffixes = [suffix for suffix in local_hash if
local_hash[suffix] != remote_hash.get(suffix, -1)]
self.rsync(node, job, suffixes)
with Timeout(self.http_timeout):
conn = http_connect(node['ip'], node['port'],
node['device'], job['partition'], 'REPLICATE',
'/' + '-'.join(suffixes),
headers={'Content-Length': '0'})
conn.getresponse().read()
self.suffix_sync += len(suffixes)
except (Exception, Timeout):
self.logger.exception(_("Error syncing with node: %s") %
node)
self.suffix_count += len(local_hash)
except (Exception, Timeout):
self.logger.exception(_("Error syncing partition"))
finally:
self.partition_times.append(time.time() - begin)
def async_update(self, op, account, container, obj, host, partition,
contdevice, headers_out, objdevice):
"""
Sends or saves an async update.
:param op: operation performed (ex: 'PUT', or 'DELETE')
:param account: account name for the object
:param container: container name for the object
:param obj: object name
:param host: host that the container is on
:param partition: partition that the container is on
:param contdevice: device name that the container is on
:param headers_out: dictionary of headers to send in the container
request
:param objdevice: device name that the object is in
"""
full_path = '/%s/%s/%s' % (account, container, obj)
if all([host, partition, contdevice]):
try:
with ConnectionTimeout(self.conn_timeout):
ip, port = host.rsplit(':', 1)
conn = http_connect(ip, port, contdevice, partition, op,
full_path, headers_out)
with Timeout(self.node_timeout):
response = conn.getresponse()
response.read()
if 200 <= response.status < 300:
return
else:
self.logger.error(
_('ERROR Container update failed '
'(saving for async update later): %(status)d '
'response from %(ip)s:%(port)s/%(dev)s'), {
'status': response.status,
'ip': ip,
'port': port,
'dev': contdevice
})
except (Exception, Timeout):
self.logger.exception(
_('ERROR container update failed with '
'%(ip)s:%(port)s/%(dev)s (saving for async update later)'
), {
'ip': ip,
'port': port,
'dev': contdevice
})
async_dir = os.path.join(self.devices, objdevice, ASYNCDIR)
ohash = hash_path(account, container, obj)
write_pickle(
{
'op': op,
'account': account,
'container': container,
'obj': obj,
'headers': headers_out
},
os.path.join(
async_dir, ohash[-3:],
ohash + '-' + normalize_timestamp(headers_out['x-timestamp'])),
os.path.join(self.devices, objdevice, 'tmp'))
def direct_put_object(node,
part,
account,
container,
name,
contents,
content_length=None,
etag=None,
content_type=None,
headers=None,
conn_timeout=5,
response_timeout=15,
resp_chunk_size=None):
"""
Put object directly from the object server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param name: object name
:param contents: a string to read object data from
:param content_length: value to send as content-length header
:param etag: etag of contents
:param content_type: value to send as content-type header
:param headers: additional headers to include in the request
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:param chunk_size: if defined, chunk size of data to send.
:returns: etag from the server response
"""
# TODO: Add chunked puts
path = '/%s/%s/%s' % (account, container, name)
if headers is None:
headers = {}
if etag:
headers['ETag'] = etag.strip('"')
if content_length is not None:
headers['Content-Length'] = str(content_length)
if content_type is not None:
headers['Content-Type'] = content_type
else:
headers['Content-Type'] = 'application/octet-stream'
if not contents:
headers['Content-Length'] = '0'
headers['X-Timestamp'] = normalize_timestamp(time())
with Timeout(conn_timeout):
conn = http_connect(node['ip'],
node['port'],
node['device'],
part,
'PUT',
path,
headers=headers)
conn.send(contents)
with Timeout(response_timeout):
resp = conn.getresponse()
resp.read()
if resp.status < 200 or resp.status >= 300:
raise ClientException(
'Object server %s:%s direct PUT %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)), resp.status),
http_host=node['ip'],
http_port=node['port'],
http_device=node['device'],
http_status=resp.status,
http_reason=resp.reason)
return resp.getheader('etag').strip('"')
def direct_get_account(node,
part,
account,
marker=None,
limit=None,
prefix=None,
delimiter=None,
conn_timeout=5,
response_timeout=15):
"""
Get listings directly from the account server.
:param node: node dictionary from the ring
:param part: partition the account is on
:param account: account name
:param marker: marker query
:param limit: query limit
:param prefix: prefix query
:param delimeter: delimeter for the query
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:returns: a tuple of (response headers, a list of containers) The response
headers will be a dict and all header names will be lowercase.
"""
path = '/' + account
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)
with Timeout(conn_timeout):
conn = http_connect(node['ip'],
node['port'],
node['device'],
part,
'GET',
path,
query_string='format=json')
with Timeout(response_timeout):
resp = conn.getresponse()
if resp.status < 200 or resp.status >= 300:
resp.read()
raise ClientException(
'Account server %s:%s direct GET %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)), resp.status),
http_host=node['ip'],
http_port=node['port'],
http_device=node['device'],
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 update(self, job):
"""
High-level method that replicates a single partition.
:param job: a dict containing info about the partition to be replicated
"""
self.replication_count += 1
begin = time.time()
try:
hashed, local_hash = tpool.execute(
tpooled_get_hashes,
job['path'],
do_listdir=(self.replication_count % 10) == 0,
reclaim_age=self.reclaim_age)
# See tpooled_get_hashes "Hack".
if isinstance(hashed, BaseException):
raise hashed
self.suffix_hash += hashed
attempts_left = self.object_ring.replica_count - 1
nodes = itertools.chain(
job['nodes'],
self.object_ring.get_more_nodes(int(job['partition'])))
while attempts_left > 0:
# If this throws StopIterator it will be caught way below
node = next(nodes)
attempts_left -= 1
try:
with Timeout(self.http_timeout):
resp = http_connect(node['ip'],
node['port'],
node['device'],
job['partition'],
'REPLICATE',
'',
headers={
'Content-Length': '0'
}).getresponse()
if resp.status == 507:
self.logger.error(
_('%(ip)s/%(device)s responded'
' as unmounted'), node)
attempts_left += 1
continue
if resp.status != 200:
self.logger.error(
_("Invalid response %(resp)s "
"from %(ip)s"), {
'resp': resp.status,
'ip': node['ip']
})
continue
remote_hash = pickle.loads(resp.read())
del resp
suffixes = [
suffix for suffix in local_hash
if local_hash[suffix] != remote_hash.get(suffix, -1)
]
if not suffixes:
continue
hashed, recalc_hash = tpool.execute(
tpooled_get_hashes,
job['path'],
recalculate=suffixes,
reclaim_age=self.reclaim_age)
# See tpooled_get_hashes "Hack".
if isinstance(hashed, BaseException):
raise hashed
local_hash = recalc_hash
suffixes = [
suffix for suffix in local_hash
if local_hash[suffix] != remote_hash.get(suffix, -1)
]
self.rsync(node, job, suffixes)
with Timeout(self.http_timeout):
conn = http_connect(node['ip'],
node['port'],
node['device'],
job['partition'],
'REPLICATE',
'/' + '-'.join(suffixes),
headers={'Content-Length': '0'})
conn.getresponse().read()
self.suffix_sync += len(suffixes)
except (Exception, Timeout):
self.logger.exception(
_("Error syncing with node: %s") % node)
self.suffix_count += len(local_hash)
except (Exception, Timeout):
self.logger.exception(_("Error syncing partition"))
finally:
self.partition_times.append(time.time() - begin)
def direct_get_object(node,
part,
account,
container,
obj,
conn_timeout=5,
response_timeout=15,
resp_chunk_size=None,
headers={}):
"""
Get object directly from the object server.
:param node: node dictionary from the ring
:param part: partition the container is on
:param account: account name
:param container: container name
:param obj: object name
:param conn_timeout: timeout in seconds for establishing the connection
:param response_timeout: timeout in seconds for getting the response
:param resp_chunk_size: if defined, chunk size of data to read.
:param headers: dict to be passed into HTTPConnection headers
:returns: a tuple of (response headers, the object's contents) The response
headers will be a dict and all header names will be lowercase.
"""
path = '/%s/%s/%s' % (account, container, obj)
with Timeout(conn_timeout):
conn = http_connect(node['ip'],
node['port'],
node['device'],
part,
'GET',
path,
headers=headers)
with Timeout(response_timeout):
resp = conn.getresponse()
if resp.status < 200 or resp.status >= 300:
resp.read()
raise ClientException(
'Object server %s:%s direct GET %s gave status %s' %
(node['ip'], node['port'],
repr('/%s/%s%s' % (node['device'], part, path)), resp.status),
http_host=node['ip'],
http_port=node['port'],
http_device=node['device'],
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
