class HttpServerError(HttpError):
"""Server-side HTTP error.
Exception for cases in which the server is aware that it has
erred or is incapable of performing the request.
"""
message = _("HTTP Server Error")
class HttpVersionNotSupported(HttpServerError):
"""HTTP 505 - HttpVersion Not Supported.
The server does not support the HTTP protocol version used in the request.
"""
http_status = 505
message = _("HTTP Version Not Supported")
class RequestTimeout(HTTPClientError):
"""HTTP 408 - Request Timeout.
The server timed out waiting for the request.
"""
http_status = 408
message = _("Request Timeout")
class ServiceUnavailable(HttpServerError):
"""HTTP 503 - Service Unavailable.
The server is currently unavailable.
"""
http_status = 503
message = _("Service Unavailable")
def get_parser(self, prog_name):
parser = super(ListAccelerator, self).get_parser(prog_name)
parser.add_argument('--long',
action='store_true',
default=False,
help=_("List additional fields in output"))
return parser
def _check_version(self, api_version):
if api_version == 'latest':
return LATEST_API_VERSION
else:
try:
versions = tuple(int(i) for i in api_version.split('.'))
except ValueError:
versions = ()
if len(versions) == 1:
# Default value of cyborg_api_version is '1'.
# If user not specify the value of api version, not passing
# headers at all.
cyborg_api_version = None
elif len(versions) == 2:
cyborg_api_version = api_version
# In the case of '1.0'
if versions[1] == 0:
cyborg_api_version = None
else:
msg = _("The requested API version %(ver)s is an unexpected "
"format. Acceptable formats are 'X', 'X.Y', or the "
"literal string '%(latest)s'.") % {
'ver': api_version,
'latest': 'latest'
}
raise exc.CommandError(msg)
api_major_version = versions[0]
return (api_major_version, cyborg_api_version)
class ExpectationFailed(HTTPClientError):
"""HTTP 417 - Expectation Failed.
The server cannot meet the requirements of the Expect request-header field.
"""
http_status = 417
message = _("Expectation Failed")
class RequestUriTooLong(HTTPClientError):
"""HTTP 414 - Request-URI Too Long.
The URI provided was too long for the server to process.
"""
http_status = 414
message = _("Request-URI Too Long")
class PaymentRequired(HTTPClientError):
"""HTTP 402 - Payment Required.
Reserved for future use.
"""
http_status = 402
message = _("Payment Required")
class InternalServerError(HttpServerError):
"""HTTP 500 - Internal Server Error.
A generic error message, given when no more specific message is suitable.
"""
http_status = 500
message = _("Internal Server Error")
class ProxyAuthenticationRequired(HTTPClientError):
"""HTTP 407 - Proxy Authentication Required.
The client must first authenticate itself with the proxy.
"""
http_status = 407
message = _("Proxy Authentication Required")
class BadRequest(HTTPClientError):
"""HTTP 400 - Bad Request.
The request cannot be fulfilled due to bad syntax.
"""
http_status = 400
message = _("Bad Request")
class RequestedRangeNotSatisfiable(HTTPClientError):
"""HTTP 416 - Requested Range Not Satisfiable.
The client has asked for a portion of the file, but the server cannot
supply that portion.
"""
http_status = 416
message = _("Requested Range Not Satisfiable")
class UnsupportedMediaType(HTTPClientError):
"""HTTP 415 - Unsupported Media Type.
The request entity has a media type which the server or resource does
not support.
"""
http_status = 415
message = _("Unsupported Media Type")
class PreconditionFailed(HTTPClientError):
"""HTTP 412 - Precondition Failed.
The server does not meet one of the preconditions that the requester
put on the request.
"""
http_status = 412
message = _("Precondition Failed")
class BadGateway(HttpServerError):
"""HTTP 502 - Bad Gateway.
The server was acting as a gateway or proxy and received an invalid
response from the upstream server.
"""
http_status = 502
message = _("Bad Gateway")
class GatewayTimeout(HttpServerError):
"""HTTP 504 - Gateway Timeout.
The server was acting as a gateway or proxy and did not receive a timely
response from the upstream server.
"""
http_status = 504
message = _("Gateway Timeout")
class NotAcceptable(HTTPClientError):
"""HTTP 406 - Not Acceptable.
The requested resource is only capable of generating content not
acceptable according to the Accept headers sent in the request.
"""
http_status = 406
message = _("Not Acceptable")
class MethodNotAllowed(HTTPClientError):
"""HTTP 405 - Method Not Allowed.
A request was made of a resource using a request method not supported
by that resource.
"""
http_status = 405
message = _("Method Not Allowed")
class NotFound(HTTPClientError):
"""HTTP 404 - Not Found.
The requested resource could not be found but may be available again
in the future.
"""
http_status = 404
message = _("Not Found")
class Forbidden(HTTPClientError):
"""HTTP 403 - Forbidden.
The request was a valid request, but the server is refusing to respond
to it.
"""
http_status = 403
message = _("Forbidden")
class UnprocessableEntity(HTTPClientError):
"""HTTP 422 - Unprocessable Entity.
The request was well-formed but was unable to be followed due to semantic
errors.
"""
http_status = 422
message = _("Unprocessable Entity")
class Conflict(HTTPClientError):
"""HTTP 409 - Conflict.
Indicates that the request could not be processed because of conflict
in the request, such as an edit conflict.
"""
http_status = 409
message = _("Conflict")
class HttpNotImplemented(HttpServerError):
"""HTTP 501 - Not Implemented.
The server either does not recognize the request method, or it lacks
the ability to fulfill the request.
"""
http_status = 501
message = _("Not Implemented")
class LengthRequired(HTTPClientError):
"""HTTP 411 - Length Required.
The request did not specify the length of its content, which is
required by the requested resource.
"""
http_status = 411
message = _("Length Required")
class MultipleChoices(HTTPRedirection):
"""HTTP 300 - Multiple Choices.
Indicates multiple options for the resource that the client may follow.
"""
http_status = 300
message = _("Multiple Choices")
class Unauthorized(HTTPClientError):
"""HTTP 401 - Unauthorized.
Similar to 403 Forbidden, but specifically for use when authentication
is required and has failed or has not yet been provided.
"""
http_status = 401
message = _("Unauthorized")
class Gone(HTTPClientError):
"""HTTP 410 - Gone.
Indicates that the resource requested is no longer available and will
not be available again.
"""
http_status = 410
message = _("Gone")
def strip_endpoint(self, location):
if location is None:
message = _("Location not returned with redirect")
raise exc.EndpointException(message=message)
if location.lower().startswith(self.endpoint):
return location[len(self.endpoint):]
else:
return location
def _get_list_table_columns_and_formatters(fields, objs, exclude_fields=(),
filters=None):
"""Check and add fields to output columns.
If there is any value in fields that not an attribute of obj,
CommandError will be raised.
If fields has duplicate values (case sensitive), we will make them unique
and ignore duplicate ones.
:param fields: A list of string contains the fields to be printed.
:param objs: An list of object which will be used to check if field is
valid or not. Note, we don't check fields if obj is None or
empty.
:param exclude_fields: A tuple of string which contains the fields to be
excluded.
:param filters: A dictionary defines how to get value from fields, this
is useful when field's value is a complex object such as
dictionary.
:return: columns, formatters.
columns is a list of string which will be used as table header.
formatters is a dictionary specifies how to display the value
of the field.
They can be [], {}.
:raise: cyborgclient.common.apiclient.exceptions.CommandError.
"""
if objs and isinstance(objs, list):
obj = objs[0]
else:
obj = None
fields = None
columns = []
formatters = {}
if fields:
non_existent_fields = []
exclude_fields = set(exclude_fields)
for field in fields.split(','):
if not hasattr(obj, field):
non_existent_fields.append(field)
continue
if field in exclude_fields:
continue
field_title, formatter = make_field_formatter(field, filters)
columns.append(field_title)
formatters[field_title] = formatter
exclude_fields.add(field)
if non_existent_fields:
raise exceptions.CommandError(
_("Non-existent fields are specified: %s") %
non_existent_fields
)
return columns, formatters
