def validate_response(cls, schema, resp, body):
# Only check the response if the status code is a success code
# TODO(cyeoh): Eventually we should be able to verify that a failure
# code if it exists is something that we expect. This is explicitly
# declared in the V3 API and so we should be able to export this in
# the response schema. For now we'll ignore it.
if resp.status in HTTP_SUCCESS + HTTP_REDIRECTION:
cls.expected_success(schema['status_code'], resp.status)
# Check the body of a response
body_schema = schema.get('response_body')
if body_schema:
try:
jsonschema.validate(body, body_schema,
cls=JSONSCHEMA_VALIDATOR,
format_checker=FORMAT_CHECKER)
except jsonschema.ValidationError as ex:
msg = ("HTTP response body is invalid (%s)") % ex
raise exceptions.InvalidHTTPResponseBody(msg)
else:
if body:
msg = ("HTTP response body should not exist (%s)") % body
raise exceptions.InvalidHTTPResponseBody(msg)
# Check the header of a response
header_schema = schema.get('response_header')
if header_schema:
try:
jsonschema.validate(resp, header_schema,
cls=JSONSCHEMA_VALIDATOR,
format_checker=FORMAT_CHECKER)
except jsonschema.ValidationError as ex:
msg = ("HTTP response header is invalid (%s)") % ex
raise exceptions.InvalidHTTPResponseHeader(msg)
def _error_checker(self, method, url,
headers, body, resp, resp_body):
# NOTE(mtreinish): Check for httplib response from glance_http. The
# object can't be used here because importing httplib breaks httplib2.
# If another object from a class not imported were passed here as
# resp this could possibly fail
if str(type(resp)) == "<type 'instance'>":
ctype = resp.getheader('content-type')
else:
try:
ctype = resp['content-type']
# NOTE(mtreinish): Keystone delete user responses doesn't have a
# content-type header. (They don't have a body) So just pretend it
# is set.
except KeyError:
ctype = 'application/json'
# It is not an error response
if resp.status < 400:
return
JSON_ENC = ['application/json', 'application/json; charset=utf-8']
# NOTE(mtreinish): This is for compatibility with Glance and swift
# APIs. These are the return content types that Glance api v1
# (and occasionally swift) are using.
TXT_ENC = ['text/plain', 'text/html', 'text/html; charset=utf-8',
'text/plain; charset=utf-8']
if ctype.lower() in JSON_ENC:
parse_resp = True
elif ctype.lower() in TXT_ENC:
parse_resp = False
else:
raise exceptions.UnexpectedContentType(str(resp.status),
resp=resp)
if resp.status == 401:
if parse_resp:
resp_body = self._parse_resp(resp_body)
raise exceptions.Unauthorized(resp_body, resp=resp)
if resp.status == 403:
if parse_resp:
resp_body = self._parse_resp(resp_body)
raise exceptions.Forbidden(resp_body, resp=resp)
if resp.status == 404:
if parse_resp:
resp_body = self._parse_resp(resp_body)
raise exceptions.NotFound(resp_body, resp=resp)
if resp.status == 400:
if parse_resp:
resp_body = self._parse_resp(resp_body)
raise exceptions.BadRequest(resp_body, resp=resp)
if resp.status == 410:
if parse_resp:
resp_body = self._parse_resp(resp_body)
raise exceptions.Gone(resp_body, resp=resp)
if resp.status == 409:
if parse_resp:
resp_body = self._parse_resp(resp_body)
raise exceptions.Conflict(resp_body, resp=resp)
if resp.status == 413:
if parse_resp:
resp_body = self._parse_resp(resp_body)
if self.is_absolute_limit(resp, resp_body):
raise exceptions.OverLimit(resp_body, resp=resp)
else:
raise exceptions.RateLimitExceeded(resp_body, resp=resp)
if resp.status == 415:
if parse_resp:
resp_body = self._parse_resp(resp_body)
raise exceptions.InvalidContentType(resp_body, resp=resp)
if resp.status == 422:
if parse_resp:
resp_body = self._parse_resp(resp_body)
raise exceptions.UnprocessableEntity(resp_body, resp=resp)
if resp.status in (500, 501):
message = resp_body
if parse_resp:
try:
resp_body = self._parse_resp(resp_body)
except ValueError:
# If response body is a non-json string message.
# Use resp_body as is and raise InvalidResponseBody
# exception.
raise exceptions.InvalidHTTPResponseBody(message)
else:
if isinstance(resp_body, dict):
# I'm seeing both computeFault
# and cloudServersFault come back.
# Will file a bug to fix, but leave as is for now.
if 'cloudServersFault' in resp_body:
message = resp_body['cloudServersFault']['message']
elif 'computeFault' in resp_body:
message = resp_body['computeFault']['message']
elif 'error' in resp_body:
message = resp_body['error']['message']
elif 'message' in resp_body:
message = resp_body['message']
else:
message = resp_body
if resp.status == 501:
raise exceptions.NotImplemented(resp_body, resp=resp,
message=message)
else:
raise exceptions.ServerFault(resp_body, resp=resp,
message=message)
if resp.status >= 400:
raise exceptions.UnexpectedResponseCode(str(resp.status),
resp=resp)