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 test_no_json(self):
# first break simplejson
try:
import simplejson
except ImportError:
# not installed, so we don't have to break it for these tests
pass
else:
delattr(simplejson, 'loads')
# then break json
try:
import json
except ImportError:
# not installed, so we don't have to break it for these tests
_orig_dumps = None
else:
# before we break json, grab a copy of the orig_dumps function
_orig_dumps = json.dumps
delattr(json, 'loads')
reload(c)
if _orig_dumps:
# basic test of chase.common.client.json_loads using json.loads
data = {
'string': 'value',
'int': 0,
'bool': True,
'none': None,
}
json_string = _orig_dumps(data)
else:
# even more basic test using a hand encoded json string
data = ['value1', 'value2']
json_string = "['value1', 'value2']"
self.assertEquals(data, c.json_loads(json_string))
self.assertRaises(AttributeError, c.json_loads, self)
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())
