def _http_request(self, url, method, **kwargs):
"""Send an http request with the specified characteristics.
Wrapper around httplib.HTTP(S)Connection.request to handle tasks such
as setting headers and error handling.
"""
# Copy the kwargs so we can reuse the original in case of redirects
kwargs['headers'] = copy.deepcopy(kwargs.get('headers', {}))
kwargs['headers'].setdefault('User-Agent', USER_AGENT)
if self.auth_token:
kwargs['headers'].setdefault('X-Auth-Token', self.auth_token)
self.log_curl_request(method, url, kwargs)
conn = self.get_connection()
try:
conn_url = self._make_connection_url(url)
conn.request(method, conn_url, **kwargs)
resp = conn.getresponse()
except socket.gaierror as e:
message = ("Error finding address for %(url)s: %(e)s" %
dict(url=url, e=e))
raise exceptions.EndpointNotFound(message)
except (socket.error, socket.timeout) as e:
endpoint = self.endpoint
message = ("Error communicating with %(endpoint)s %(e)s" %
dict(endpoint=endpoint, e=e))
raise exceptions.ConnectionRefused(message)
body_iter = ResponseBodyIterator(resp)
# Read body into string if it isn't obviously image data
body_str = None
if resp.getheader('content-type', None) != 'application/octet-stream':
body_str = ''.join([chunk for chunk in body_iter])
self.log_http_response(resp, body_str)
body_iter = six.StringIO(body_str)
else:
self.log_http_response(resp)
if 400 <= resp.status < 600:
LOG.warn("Request returned failure status.")
error_json = self._extract_error_json(body_str)
raise exceptions.from_response(resp, error_json.get('faultstring'),
error_json.get('debuginfo'), method,
url)
elif resp.status in (301, 302, 305):
# Redirected. Reissue the request to the new location.
return self._http_request(resp['location'], method, **kwargs)
elif resp.status == 300:
raise exceptions.from_response(resp, method=method, url=url)
return resp, body_iter
def _http_request(self, url, method, **kwargs):
"""Send an http request with the specified characteristics.
Wrapper around httplib.HTTP(S)Connection.request to handle tasks such
as setting headers and error handling.
"""
# Copy the kwargs so we can reuse the original in case of redirects
kwargs['headers'] = copy.deepcopy(kwargs.get('headers', {}))
kwargs['headers'].setdefault('User-Agent', USER_AGENT)
if self.api_version:
version_string = 'container-infra %s' % self.api_version
kwargs['headers'].setdefault('OpenStack-API-Version',
version_string)
if self.auth_token:
kwargs['headers'].setdefault('X-Auth-Token', self.auth_token)
self.log_curl_request(method, url, kwargs)
conn = self.get_connection()
try:
conn_url = self._make_connection_url(url)
conn.request(method, conn_url, **kwargs)
resp = conn.getresponse()
except socket.gaierror as e:
message = ("Error finding address for %(url)s: %(e)s" %
dict(url=url, e=e))
raise exceptions.EndpointNotFound(message)
except (socket.error, socket.timeout) as e:
endpoint = self.endpoint
message = ("Error communicating with %(endpoint)s %(e)s" %
dict(endpoint=endpoint, e=e))
raise exceptions.ConnectionRefused(message)
body_iter = ResponseBodyIterator(resp)
# Read body into string if it isn't obviously image data
body_str = None
if resp.getheader('content-type', None) != 'application/octet-stream':
# decoding byte to string is necessary for Python 3.4 compatibility
# this issues has not been found with Python 3.4 unit tests
# because the test creates a fake http response of type str
# the if statement satisfies test (str) and real (bytes) behavior
body_list = [
chunk.decode("utf-8") if isinstance(chunk, bytes) else chunk
for chunk in body_iter
]
body_str = ''.join(body_list)
self.log_http_response(resp, body_str)
body_iter = six.StringIO(body_str)
else:
self.log_http_response(resp)
if 400 <= resp.status < 600:
LOG.warning("Request returned failure status.")
error_json = _extract_error_json(body_str)
raise exceptions.from_response(resp, error_json.get('faultstring'),
error_json.get('debuginfo'), method,
url)
elif resp.status in (301, 302, 305):
# Redirected. Reissue the request to the new location.
return self._http_request(resp['location'], method, **kwargs)
elif resp.status == 300:
raise exceptions.from_response(resp, method=method, url=url)
return resp, body_iter