def body_producer(write):
def on_data(data):
write(data)
req = HTTPRequest(url=file_info['path'],
method="GET",
connect_timeout=60,
request_timeout=1800,
streaming_callback=on_data,
validate_cert=False)
cli = AsyncHTTPClient()
cli.max_body_size = MAX_IMAGE_SIZE
yield cli.fetch(req)
def connect_request(session,
type,
url,
method,
response_key=None,
body=None,
body_producer=None,
streaming_callback=None,
interface=INTF_TYPE_ADMIN,
token=None,
content_length=None,
request_timeout=600,
max_body_size=None,
content_type="application/json"):
"""
请求openstack接口方法
:param response_key:
:param session:{'url':url,'token':token,'token_id':"uuid"}
:param type 服务类型
:param url: url参数
:param method:
:param body:
:param content_type
:return:
:param interface: 接口类型 'admin' - default, 'public', 'internal'
:param token: private token
"""
token = token if token else session.id
result = None
intf_key = interface + 'URL'
if type in session.urls and intf_key in session.urls[type]:
service_url = session.urls[type][intf_key]
else:
raise OpenStackException()
try:
if body:
body = json.dumps(body)
req_url = service_url + url
headers = {"X-Auth-Token": token, "Content-Type": content_type}
if content_length:
headers['Content-Length'] = str(content_length)
req = HTTPRequest(url=req_url,
method=method,
body=body,
body_producer=body_producer,
streaming_callback=streaming_callback,
headers=headers,
connect_timeout=200,
request_timeout=request_timeout,
validate_cert=False)
cli = AsyncHTTPClient()
if max_body_size:
cli.max_body_size = max_body_size
rep = yield cli.fetch(req)
if rep.body:
result = json.loads(rep.body)
if response_key:
result = result[response_key]
except Exception as e:
LOG.error("request url [%s] body [%s] error %s", req_url, body,
e.response.body)
raise OpenStackException(e)
raise gen.Return(result)
