def HandleRequest(self, req):
"""Handles a request.
"""
ctx = self._GetRequestContext(req)
# Deserialize request parameters
if req.request_body:
# RFC2616, 7.2.1: Any HTTP/1.1 message containing an entity-body SHOULD
# include a Content-Type header field defining the media type of that
# body. [...] If the media type remains unknown, the recipient SHOULD
# treat it as type "application/octet-stream".
req_content_type = req.request_headers.get(http.HTTP_CONTENT_TYPE,
http.HTTP_APP_OCTET_STREAM)
if req_content_type.lower() != http.HTTP_APP_JSON.lower():
raise http.HttpUnsupportedMediaType()
try:
ctx.body_data = serializer.LoadJson(req.request_body)
except Exception:
raise http.HttpBadRequest(message="Unable to parse JSON data")
else:
ctx.body_data = None
try:
result = ctx.handler_fn()
except rpcerr.TimeoutError:
raise http.HttpGatewayTimeout()
except rpcerr.ProtocolError, err:
raise http.HttpBadGateway(str(err))
def SubmitJob(self, op, cl=None):
"""Generic wrapper for submit job, for better http compatibility.
@type op: list
@param op: the list of opcodes for the job
@type cl: None or luxi.Client
@param cl: optional luxi client to use
@rtype: string
@return: the job ID
"""
if cl is None:
cl = self.GetClient()
try:
return cl.SubmitJob(op)
except errors.JobQueueFull:
raise http.HttpServiceUnavailable(
"Job queue is full, needs archiving")
except errors.JobQueueDrainError:
raise http.HttpServiceUnavailable(
"Job queue is drained, cannot submit")
except rpcerr.NoMasterError as err:
raise http.HttpBadGateway("Master seems to be unreachable: %s" %
err)
except rpcerr.PermissionError:
raise http.HttpInternalServerError(
"Internal error: no permission to"
" connect to the master daemon")
except rpcerr.TimeoutError as err:
raise http.HttpGatewayTimeout("Timeout while talking to the master"
" daemon: %s" % err)
return cl.SubmitJob(op)
except errors.JobQueueFull:
raise http.HttpServiceUnavailable(
"Job queue is full, needs archiving")
except errors.JobQueueDrainError:
raise http.HttpServiceUnavailable(
"Job queue is drained, cannot submit")
except rpcerr.NoMasterError, err:
raise http.HttpBadGateway("Master seems to be unreachable: %s" %
err)
except rpcerr.PermissionError:
raise http.HttpInternalServerError(
"Internal error: no permission to"
" connect to the master daemon")
except rpcerr.TimeoutError, err:
raise http.HttpGatewayTimeout("Timeout while talking to the master"
" daemon: %s" % err)
def GetResourceOpcodes(cls):
"""Returns all opcodes used by a resource.
"""
return frozenset(
filter(None, (getattr(cls, method_attrs.opcode, None)
for method_attrs in OPCODE_ATTRS)))
def GetHandlerAccess(handler, method):
"""Returns the access rights for a method on a handler.
@type handler: L{ResourceBase}