def _v1_auth(self, token_url):
creds = self.creds
headers = {}
headers['X-Auth-User'] = creds['username']
headers['X-Auth-Key'] = creds['password']
tenant = creds.get('tenant')
if tenant:
headers['X-Auth-Tenant'] = tenant
resp, resp_body = self._do_request(token_url, 'GET', headers=headers)
if resp.status in (200, 204):
try:
self.management_url = resp['x-server-management-url']
self.auth_token = resp['x-auth-token']
except KeyError:
raise exception.AuthorizationFailure()
elif resp.status == 305:
raise exception.RedirectException(resp['location'])
elif resp.status == 400:
raise exception.AuthBadRequest()
elif resp.status == 401:
raise exception.NotAuthorized()
elif resp.status == 404:
raise exception.AuthUrlNotFound(url=token_url)
else:
raise Exception(_('Unexpected response: %s' % resp.status))
def _v3_auth(self, token_url):
creds = {
"auth": {
"identity": {
"methods": ["password"],
"password": {
"user": {
"name": self.creds['username'],
"domain": {
"id": self.creds['user_domain_id']
},
"password": self.creds['password']
}
}
},
"scope": {
"project": {
"name": self.creds['project'],
"domain": {
"id": self.creds['project_domain_id']
}
}
}
}
}
headers = {'Content-Type': 'application/json'}
req_body = jsonutils.dumps(creds)
resp, resp_body = self._do_request(token_url,
'POST',
headers=headers,
body=req_body)
resp_body = jsonutils.loads(resp_body)
if resp.status == 201:
resp_auth = resp['x-subject-token']
creds_region = self.creds.get('region')
if self.configure_via_auth:
endpoint = get_endpoint(resp_body['token']['catalog'],
endpoint_region=creds_region)
self.management_url = endpoint
self.auth_token = resp_auth
elif resp.status == 305:
raise exception.RedirectException(resp['location'])
elif resp.status == 400:
raise exception.AuthBadRequest(url=token_url)
elif resp.status == 401:
raise Exception(_('Unexpected response: %s') % resp.status)
def _v2_auth(self, token_url):
creds = self.creds
creds = {
"auth": {
"tenantName": creds['tenant'],
"passwordCredentials": {
"username": creds['username'],
"password": creds['password']
}
}
}
headers = {}
headers['Content-Type'] = 'application/json'
req_body = json.dumps(creds)
resp, resp_body = self._do_request(token_url,
'POST',
headers=headers,
body=req_body)
if resp.status == 200:
resp_auth = json.loads(resp_body)['access']
# FIXME(sirp): for now just using the first endpoint we get back
# from the service catalog for glance, and using the public url.
for service in resp_auth['serviceCatalog']:
if service['type'] == 'image':
glance_endpoint = service['endpoints'][0]['publicURL']
break
else:
raise exception.NoServiceEndpoint()
self.management_url = glance_endpoint
self.auth_token = resp_auth['token']['id']
elif resp.status == 305:
raise exception.RedirectException(resp['location'])
elif resp.status == 400:
raise exception.AuthBadRequest(url=token_url)
elif resp.status == 401:
raise exception.NotAuthorized()
elif resp.status == 404:
raise exception.AuthUrlNotFound(url=token_url)
else:
raise Exception(_('Unexpected response: %s') % resp.status)
def _v2_auth(self, token_url):
creds = self.creds
creds = {
"auth": {
"tenantName": creds['tenant'],
"passwordCredentials": {
"username": creds['username'],
"password": creds['password']
}
}
}
headers = {}
headers['Content-Type'] = 'application/json'
req_body = jsonutils.dumps(creds)
resp, resp_body = self._do_request(token_url,
'POST',
headers=headers,
body=req_body)
if resp.status == 200:
resp_auth = jsonutils.loads(resp_body)['access']
creds_region = self.creds.get('region')
if self.configure_via_auth:
endpoint = get_endpoint(resp_auth['serviceCatalog'],
endpoint_region=creds_region)
self.management_url = endpoint
self.auth_token = resp_auth['token']['id']
elif resp.status == 305:
raise exception.RedirectException(resp['location'])
elif resp.status == 400:
raise exception.AuthBadRequest(url=token_url)
elif resp.status == 401:
raise exception.NotAuthenticated()
elif resp.status == 404:
raise exception.AuthUrlNotFound(url=token_url)
else:
raise Exception(_('Unexpected response: %s') % resp.status)
def _do_request(self, method, url, body, headers):
"""
Connects to the server and issues a request. Handles converting
any returned HTTP error status codes to OpenStack/Glance exceptions
and closing the server connection. Returns the result data, or
raises an appropriate exception.
:param method: HTTP method ("GET", "POST", "PUT", etc...)
:param url: urlparse.ParsedResult object with URL information
:param body: data to send (as string, filelike or iterable),
or None (default)
:param headers: mapping of key/value pairs to add as headers
:note
If the body param has a read attribute, and method is either
POST or PUT, this method will automatically conduct a chunked-transfer
encoding and use the body as a file object or iterable, transferring
chunks of data using the connection's send() method. This allows large
objects to be transferred efficiently without buffering the entire
body in memory.
"""
if url.query:
path = url.path + "?" + url.query
else:
path = url.path
try:
connection_type = self.get_connection_type()
headers = self._encode_headers(headers or {})
if 'x-auth-token' not in headers and self.auth_tok:
headers['x-auth-token'] = self.auth_tok
c = connection_type(url.hostname, url.port, **self.connect_kwargs)
def _pushing(method):
return method.lower() in ('post', 'put')
def _simple(body):
return body is None or isinstance(body, six.string_types)
def _filelike(body):
return hasattr(body, 'read')
def _sendbody(connection, iter):
connection.endheaders()
for sent in iter:
# iterator has done the heavy lifting
pass
def _chunkbody(connection, iter):
connection.putheader('Transfer-Encoding', 'chunked')
connection.endheaders()
for chunk in iter:
connection.send('%x\r\n%s\r\n' % (len(chunk), chunk))
connection.send('0\r\n\r\n')
# Do a simple request or a chunked request, depending
# on whether the body param is file-like or iterable and
# the method is PUT or POST
#
if not _pushing(method) or _simple(body):
# Simple request...
c.request(method, path, body, headers)
elif _filelike(body) or self._iterable(body):
c.putrequest(method, path)
use_sendfile = self._sendable(body)
# According to HTTP/1.1, Content-Length and Transfer-Encoding
# conflict.
for header, value in headers.items():
if use_sendfile or header.lower() != 'content-length':
c.putheader(header, str(value))
iter = self.image_iterator(c, headers, body)
if use_sendfile:
# send actual file without copying into userspace
_sendbody(c, iter)
else:
# otherwise iterate and chunk
_chunkbody(c, iter)
else:
raise TypeError('Unsupported image type: %s' % body.__class__)
res = c.getresponse()
def _retry(res):
return res.getheader('Retry-After')
status_code = self.get_status_code(res)
if status_code in self.OK_RESPONSE_CODES:
return res
elif status_code in self.REDIRECT_RESPONSE_CODES:
raise exception.RedirectException(res.getheader('Location'))
elif status_code == httplib.UNAUTHORIZED:
raise exception.NotAuthenticated(res.read())
elif status_code == httplib.FORBIDDEN:
raise exception.Forbidden(res.read())
elif status_code == httplib.NOT_FOUND:
raise exception.NotFound(res.read())
elif status_code == httplib.CONFLICT:
raise exception.Duplicate(res.read())
elif status_code == httplib.BAD_REQUEST:
raise exception.Invalid(res.read())
elif status_code == httplib.MULTIPLE_CHOICES:
raise exception.MultipleChoices(body=res.read())
elif status_code == httplib.REQUEST_ENTITY_TOO_LARGE:
raise exception.LimitExceeded(retry=_retry(res),
body=res.read())
elif status_code == httplib.INTERNAL_SERVER_ERROR:
raise exception.ServerError()
elif status_code == httplib.SERVICE_UNAVAILABLE:
raise exception.ServiceUnavailable(retry=_retry(res))
else:
raise exception.UnexpectedStatus(status=status_code,
body=res.read())
except (socket.error, IOError) as e:
raise exception.ClientConnectionError(e)
def _v2_auth(self, token_url):
def get_endpoint(service_catalog):
"""
Select an endpoint from the service catalog
We search the full service catalog for services
matching both type and region. If the client
supplied no region then any 'image' endpoint
is considered a match. There must be one -- and
only one -- successful match in the catalog,
otherwise we will raise an exception.
"""
# FIXME(sirp): for now just use the public url.
endpoint = None
region = self.creds.get('region')
for service in service_catalog:
try:
service_type = service['type']
except KeyError:
msg = _('Encountered service with no "type": %s' % service)
logger.warn(msg)
continue
if service_type == 'image':
for ep in service['endpoints']:
if region is None or region == ep['region']:
if endpoint is not None:
# This is a second match, abort
raise exception.RegionAmbiguity(region=region)
endpoint = ep
if endpoint is None:
raise exception.NoServiceEndpoint()
return endpoint['publicURL']
creds = self.creds
creds = {
"auth": {
"tenantName": creds['tenant'],
"passwordCredentials": {
"username": creds['username'],
"password": creds['password']
}
}
}
headers = {}
headers['Content-Type'] = 'application/json'
req_body = json.dumps(creds)
resp, resp_body = self._do_request(
token_url, 'POST', headers=headers, body=req_body)
if resp.status == 200:
resp_auth = json.loads(resp_body)['access']
self.management_url = get_endpoint(resp_auth['serviceCatalog'])
self.auth_token = resp_auth['token']['id']
elif resp.status == 305:
raise exception.RedirectException(resp['location'])
elif resp.status == 400:
raise exception.AuthBadRequest(url=token_url)
elif resp.status == 401:
raise exception.NotAuthenticated()
elif resp.status == 404:
raise exception.AuthUrlNotFound(url=token_url)
else:
raise Exception(_('Unexpected response: %s') % resp.status)
def _do_request(self, method, url, body, headers):
"""
Connects to the server and issues a request. Handles converting
any returned HTTP error status codes to OpenStack/Glance exceptions
and closing the server connection. Returns the result data, or
raises an appropriate exception.
:param method: HTTP method ("GET", "POST", "PUT", etc...)
:param url: urlparse.ParsedResult object with URL information
:param body: string of data to send, or None (default)
:param headers: mapping of key/value pairs to add as headers
:note
If the body param has a read attribute, and method is either
POST or PUT, this method will automatically conduct a chunked-transfer
encoding and use the body as a file object, transferring chunks
of data using the connection's send() method. This allows large
objects to be transferred efficiently without buffering the entire
body in memory.
"""
if url.query:
path = url.path + "?" + url.query
else:
path = url.path
try:
connection_type = self.get_connection_type()
headers = headers or {}
if 'x-auth-token' not in headers and self.auth_tok:
headers['x-auth-token'] = self.auth_tok
c = connection_type(url.hostname, url.port, **self.connect_kwargs)
# Do a simple request or a chunked request, depending
# on whether the body param is a file-like object and
# the method is PUT or POST
if hasattr(body, 'read') and method.lower() in ('post', 'put'):
# Chunk it, baby...
c.putrequest(method, path)
for header, value in headers.items():
c.putheader(header, value)
c.putheader('Transfer-Encoding', 'chunked')
c.endheaders()
chunk = body.read(self.CHUNKSIZE)
while chunk:
c.send('%x\r\n%s\r\n' % (len(chunk), chunk))
chunk = body.read(self.CHUNKSIZE)
c.send('0\r\n\r\n')
else:
# Simple request...
c.request(method, path, body, headers)
res = c.getresponse()
status_code = self.get_status_code(res)
if status_code in self.OK_RESPONSE_CODES:
return res
elif status_code in self.REDIRECT_RESPONSE_CODES:
raise exception.RedirectException(res.getheader('Location'))
elif status_code == httplib.UNAUTHORIZED:
raise exception.NotAuthorized(res.read())
elif status_code == httplib.FORBIDDEN:
raise exception.NotAuthorized(res.read())
elif status_code == httplib.NOT_FOUND:
raise exception.NotFound(res.read())
elif status_code == httplib.CONFLICT:
raise exception.Duplicate(res.read())
elif status_code == httplib.BAD_REQUEST:
raise exception.Invalid(res.read())
elif status_code == httplib.MULTIPLE_CHOICES:
raise exception.MultipleChoices(body=res.read())
elif status_code == httplib.INTERNAL_SERVER_ERROR:
raise Exception("Internal Server error: %s" % res.read())
else:
raise Exception("Unknown error occurred! %s" % res.read())
except (socket.error, IOError), e:
raise exception.ClientConnectionError(e)
