python类HTTP_500的实例源码

def on_get(self, req, resp, uni, term):
        # The term must be a string since the threads represent them as such
        if uni in uniThreads and term in uniThreads[uni].getTerms():
            if uniThreads[uni].isScraping:
                # we don't want to return data while scraping, send error (configure nginx to send stale data if it can)
                resp.status = falcon.HTTP_500
                resp.body = json.dumps(
                    {"error": "We're currently scraping this university, please check back in a couple minutes!"}
                ).encode('utf-8')
            else:
                # Get course/subject list
                subject_list = json.dumps(uniThreads[uni].getSubjectListAll(term), sort_keys=True).encode('utf-8')

                # set the etag and body
                resp.etag = "W/" + hashlib.sha1(subject_list).hexdigest()
                resp.body = subject_list
        else:
            # Couldn't find the uni or term, send error
            resp.status = falcon.HTTP_400
            resp.body = json.dumps(
                {"error": "The specified university or term was not found"}
            ).encode('utf-8')

def default_exception_handler(ex, req, resp, params):
    """
    Catch-all execption handler for standardized output.
    If this is a standard falcon HTTPError, rethrow it for handling
    """
    if isinstance(ex, falcon.HTTPError):
        # allow the falcon http errors to bubble up and get handled
        raise ex
    else:
        # take care of the uncaught stuff
        exc_string = traceback.format_exc()
        logging.error('Unhanded Exception being handled: \n%s', exc_string)
        format_error_resp(
            req,
            resp,
            falcon.HTTP_500,
            error_type=ex.__class__.__name__,
            message="Unhandled Exception raised: %s" % str(ex),
            retry=True
        )

def on_get(self, req, resp):
        """Method handler for GET requests.

        :param req: Falcon request object
        :param resp: Falcon response object
        """
        state = self.state_manager

        try:
            designs = list(state.designs.keys())

            resp.body = json.dumps(designs)
            resp.status = falcon.HTTP_200
        except Exception as ex:
            self.error(req.context, "Exception raised: %s" % str(ex))
            self.return_error(
                resp,
                falcon.HTTP_500,
                message="Error accessing design list",
                retry=True)

def task_validate_design(self, req, resp, json_data):
        """Create async task for validate design."""
        action = json_data.get('action', None)

        if action != 'validate_design':
            self.error(
                req.context,
                "Task body ended up in wrong handler: action %s in task_validate_design"
                % action)
            self.return_error(
                resp, falcon.HTTP_500, message="Error", retry=False)

        try:
            task = self.create_task(json_data, req.context)
            resp.body = json.dumps(task.to_dict())
            resp.append_header('Location',
                               "/api/v1.0/tasks/%s" % str(task.task_id))
            resp.status = falcon.HTTP_201
        except errors.InvalidFormat as ex:
            self.error(req.context, ex.msg)
            self.return_error(
                resp, falcon.HTTP_400, message=ex.msg, retry=False)

def task_verify_site(self, req, resp, json_data):
        """Create async task for verify site."""
        action = json_data.get('action', None)

        if action != 'verify_site':
            self.error(
                req.context,
                "Task body ended up in wrong handler: action %s in task_verify_site"
                % action)
            self.return_error(
                resp, falcon.HTTP_500, message="Error", retry=False)

        try:
            task = self.create_task(json_data, req.context)
            resp.body = json.dumps(task.to_dict())
            resp.append_header('Location',
                               "/api/v1.0/tasks/%s" % str(task.task_id))
            resp.status = falcon.HTTP_201
        except errors.InvalidFormat as ex:
            self.error(req.context, ex.msg)
            self.return_error(
                resp, falcon.HTTP_400, message=ex.msg, retry=False)

def task_prepare_site(self, req, resp, json_data):
        """Create async task for prepare site."""
        action = json_data.get('action', None)

        if action != 'prepare_site':
            self.error(
                req.context,
                "Task body ended up in wrong handler: action %s in task_prepare_site"
                % action)
            self.return_error(
                resp, falcon.HTTP_500, message="Error", retry=False)

        try:
            task = self.create_task(json_data, req.context)
            resp.body = json.dumps(task.to_dict())
            resp.append_header('Location',
                               "/api/v1.0/tasks/%s" % str(task.task_id))
            resp.status = falcon.HTTP_201
        except errors.InvalidFormat as ex:
            self.error(req.context, ex.msg)
            self.return_error(
                resp, falcon.HTTP_400, message=ex.msg, retry=False)

def task_verify_nodes(self, req, resp, json_data):
        """Create async task for verify node."""
        action = json_data.get('action', None)

        if action != 'verify_nodes':
            self.error(
                req.context,
                "Task body ended up in wrong handler: action %s in task_verify_nodes"
                % action)
            self.return_error(
                resp, falcon.HTTP_500, message="Error", retry=False)

        try:
            task = self.create_task(json_data, req.context)
            resp.body = json.dumps(task.to_dict())
            resp.append_header('Location',
                               "/api/v1.0/tasks/%s" % str(task.task_id))
            resp.status = falcon.HTTP_201
        except errors.InvalidFormat as ex:
            self.error(req.context, ex.msg)
            self.return_error(
                resp, falcon.HTTP_400, message=ex.msg, retry=False)

def task_deploy_nodes(self, req, resp, json_data):
        """Create async task for deploy node."""
        action = json_data.get('action', None)

        if action != 'deploy_nodes':
            self.error(
                req.context,
                "Task body ended up in wrong handler: action %s in task_deploy_nodes"
                % action)
            self.return_error(
                resp, falcon.HTTP_500, message="Error", retry=False)

        try:
            task = self.create_task(json_data, req.context)
            resp.body = json.dumps(task.to_dict())
            resp.append_header('Location',
                               "/api/v1.0/tasks/%s" % str(task.task_id))
            resp.status = falcon.HTTP_201
        except errors.InvalidFormat as ex:
            self.error(req.context, ex.msg)
            self.return_error(
                resp, falcon.HTTP_400, message=ex.msg, retry=False)

def task_destroy_nodes(self, req, resp, json_data):
        """Create async task for destroy node."""
        action = json_data.get('action', None)

        if action != 'destroy_nodes':
            self.error(
                req.context,
                "Task body ended up in wrong handler: action %s in task_destroy_nodes"
                % action)
            self.return_error(
                resp, falcon.HTTP_500, message="Error", retry=False)

        try:
            task = self.create_task(json_data, req.context)
            resp.body = json.dumps(task.to_dict())
            resp.append_header('Location',
                               "/api/v1.0/tasks/%s" % str(task.task_id))
            resp.status = falcon.HTTP_201
        except errors.InvalidFormat as ex:
            self.error(req.context, ex.msg)
            self.return_error(
                resp, falcon.HTTP_400, message=ex.msg, retry=False)

def on_get(self, req, resp, task_id):
        """Handler for GET method."""
        try:
            task = self.state_manager.get_task(uuid.UUID(task_id))

            if task is None:
                self.info(req.context, "Task %s does not exist" % task_id)
                self.return_error(
                    resp,
                    falcon.HTTP_404,
                    message="Task %s does not exist" % task_id,
                    retry=False)
                return

            resp.body = json.dumps(task.to_dict())
            resp.status = falcon.HTTP_200
        except Exception as ex:
            self.error(req.context, "Unknown error: %s" % (str(ex)))
            self.return_error(
                resp, falcon.HTTP_500, message="Unknown error", retry=False)

def on_get(self, request, response):
        # Get the parameters from the query string
        signature = request.get_param('signature')
        timestamp = request.get_param('timestamp')
        nonce = request.get_param('nonce')
        echostr = request.get_param('echostr')

        # Compute the signature (note that the shared token is used too)
        verification_elements = [self.token, timestamp, nonce]
        verification_elements.sort()
        verification_string = "".join(verification_elements)
        verification_string = hashlib.sha1(verification_string.encode('utf-8')).hexdigest()

        # If the signature is correct, output the same "echostr" provided by the WeChat server as a parameter
        if signature == verification_string:
            response.status = falcon.HTTP_200
            response.body = echostr
        else:
            response.status = falcon.HTTP_500
            response.body = ""

    # Messages will be POSTed from the WeChat server to the chatbot backend server,
    # see: http://admin.wechat.com/wiki/index.php?title=Common_Messages

def default_exception_handler(ex, req, resp, params):
    """
    Catch-all exception handler for standardized output.
    If this is a standard falcon HTTPError, rethrow it for handling
    """
    if isinstance(ex, falcon.HTTPError):
        # allow the falcon http errors to bubble up and get handled
        raise ex
    else:
        # take care of the uncaught stuff
        exc_string = traceback.format_exc()
        LOG.error('Unhanded Exception being handled: \n%s', exc_string)
        format_error_resp(
            req,
            resp,
            falcon.HTTP_500,
            error_type=ex.__class__.__name__,
            message="Unhandled Exception raised: %s" % str(ex),
            retry=True)

def on_get(self, req, resp):
        """
        Handles GET requests for ELB HealthCheck Resource
        :param req:
        :param resp:
        :return:
        """
        uptime = int(time.time()) - self.start_time

        if self.load_balancer.check_if_model_to_workers_map_is_empty():
            resp.status = falcon.HTTP_500
            resp.body = "Model To Workers Map is Empty"
            raise falcon.HTTPInternalServerError('Internal Server Error', 'Model To Workers Map is Empty! ')

        resp.status = falcon.HTTP_200

        # TODO requests and capacity have to be calculated. They are hardcoded for now

        resp.body = json.dumps({'uptime':uptime, 'requests': 1, 'capacity': 100})

def on_post(self, req, resp):
        payload = json.loads(req.stream.read())
        pi = PredictionInput()
        if ('url' in payload.keys()) and ('modelId' in payload.keys()):
            pi.url = payload['url']
            pi.model_id = payload['modelId']
        else:
            resp.status = falcon.HTTP_400
            raise falcon.HTTPBadRequest("Bad Request", "Url and(or) modelId missing in the payload")

        po = self.caffe_worker_client.predict(pi)

        if po.bo.status == 'Success':
            resp.status = falcon.HTTP_200
            resp.body = (str(po.values))
        elif po.bo.status == 'Failure':
            resp.body = json.dumps({'status': 'Failure', 'message' : 'Error occurred'})
            resp.status = falcon.HTTP_500
            raise falcon.HTTPInternalServerError('Internal Server Error', 'Predict failed! ')

def default_error_handler(req, resp, e):
    resp.body = json.dumps({'title': str(type(e)), 'description': str(e)}, indent=2, ensure_ascii=False)
    resp.status = falcon.HTTP_500
    resp.content_type = 'application/json'


# def http_not_found_handler(req, resp, e):
#     resp.body = e.title
#     resp.status = e.status
#     resp.content_type = 'application/json'
#
#
# def http_missing_param_handler(req, resp, e):
#     resp.body = json.dumps({'error': e.title + ':' + ' '.join([p for p in e.args])})
#     resp.status = e.status
#     resp.content_type = 'application/json'
#
#
# def http_invalid_param_handler(req, resp, e):
#     resp.body = json.dumps({'error': e.title + ':' + ' '.join([p for p in e.args])})
#     resp.status = e.status
#     resp.content_type = 'application/json'

def on_get(self, req, resp):
        '''
        get tiller status
        '''
        try:
            opts = req.params
            tiller = Tiller(
                tiller_host=opts.get('tiller_host', None),
                tiller_port=opts.get('tiller_port', None))

            message = {
                'tiller': {
                    'state': tiller.tiller_status(),
                    'version': tiller.tiller_version()
                }
            }

            resp.status = falcon.HTTP_200
            resp.body = json.dumps(message)
            resp.content_type = 'application/json'

        except Exception as e:
            err_message = 'Failed to get Tiller Status: {}'.format(e)
            self.error(req.context, err_message)
            self.return_error(
                resp, falcon.HTTP_500, message=err_message)

def on_get(self, req, resp):
        '''
        get tiller releases
        '''
        try:
            # Get tiller releases
            opts = req.params
            tiller = Tiller(tiller_host=opts.get('tiller_host', None),
                            tiller_port=opts.get('tiller_port', None))

            releases = {}
            for release in tiller.list_releases():
                if not releases.get(release.namespace, None):
                    releases[release.namespace] = []

                releases[release.namespace].append(release.name)

            resp.body = json.dumps({'releases': releases})
            resp.content_type = 'application/json'
            resp.status = falcon.HTTP_200

        except Exception as e:
            err_message = 'Unable to find Tiller Releases: {}'.format(e)
            self.error(req.context, err_message)
            self.return_error(
                resp, falcon.HTTP_500, message=err_message)

def on_get(self, req, resp, release):
        try:
            self.logger.info('RUNNING: %s', release)
            opts = req.params
            tiller = Tiller(tiller_host=opts.get('tiller_host', None),
                            tiller_port=opts.get('tiller_port', None))
            tiller_resp = tiller.testing_release(release)
            msg = {
                'result': '',
                'message': ''
            }

            if tiller_resp:
                test_status = getattr(
                    tiller_resp.info.status, 'last_test_suite_run', 'FAILED')

                if test_status.result[0].status:
                    msg['result'] = 'PASSED: {}'.format(release)
                    msg['message'] = 'MESSAGE: Test Pass'
                    self.logger.info(msg)
                else:
                    msg['result'] = 'FAILED: {}'.format(release)
                    msg['message'] = 'MESSAGE: Test Fail'
                    self.logger.info(msg)
            else:
                msg['result'] = 'FAILED: {}'.format(release)
                msg['message'] = 'MESSAGE: No test found'

            resp.body = json.dumps(msg)
            resp.status = falcon.HTTP_200
            resp.content_type = 'application/json'

        except Exception as e:
            err_message = 'Failed to test {}: {}'.format(release, e)
            self.error(req.context, err_message)
            self.return_error(
                resp, falcon.HTTP_500, message=err_message)

def on_get(self, req, resp):
        resp.status = falcon.HTTP_500
        resp.set_header('X-Failed', 'True')
        resp.body = 'Fail'

def on_post(self, req, resp):
        resp.status = falcon.HTTP_500
        resp.set_header('X-Failed', 'True')
        resp.body = 'Fail'

        raise HTTPStatus(falcon.HTTP_200,
                         headers={'X-Failed': 'False'},
                         body='Pass')

def on_get(self, req, resp):
        resp.status = falcon.HTTP_500
        resp.set_header('X-Failed', 'True')
        resp.body = 'Fail'

def test_misc(self, client):
        self._misc_test(client, falcon.HTTPBadRequest, falcon.HTTP_400)
        self._misc_test(client, falcon.HTTPNotAcceptable, falcon.HTTP_406,
                        needs_title=False)
        self._misc_test(client, falcon.HTTPConflict, falcon.HTTP_409)
        self._misc_test(client, falcon.HTTPPreconditionFailed, falcon.HTTP_412)
        self._misc_test(client, falcon.HTTPUnsupportedMediaType, falcon.HTTP_415,
                        needs_title=False)
        self._misc_test(client, falcon.HTTPUnprocessableEntity, falcon.HTTP_422)
        self._misc_test(client, falcon.HTTPUnavailableForLegalReasons, falcon.HTTP_451,
                        needs_title=False)
        self._misc_test(client, falcon.HTTPInternalServerError, falcon.HTTP_500)
        self._misc_test(client, falcon.HTTPBadGateway, falcon.HTTP_502)

def on_get(self, req, resp):
        try:
            maas_client = MaasRequestFactory(
                config.config_mgr.conf.maasdriver.maas_api_url,
                config.config_mgr.conf.maasdriver.maas_api_key)

            machine_list = Machines(maas_client)
            machine_list.refresh()

            node_view = list()
            for m in machine_list:
                m.get_power_params()
                node_view.append(
                    dict(
                        hostname=m.hostname,
                        memory=m.memory,
                        cpu_count=m.cpu_count,
                        status_name=m.status_name,
                        boot_mac=m.boot_mac,
                        power_state=m.power_state,
                        power_address=m.power_parameters.get('power_address'),
                        boot_ip=m.boot_ip))

            resp.body = json.dumps(node_view)
            resp.status = falcon.HTTP_200
        except Exception as ex:
            self.error(req.context, "Unknown error: %s" % str(ex), exc_info=ex)
            self.return_error(
                resp, falcon.HTTP_500, message="Unknown error", retry=False)

def on_post(self, req, resp):
        """Method handler for POST requests.

        :param req: Falcon request object
        :param resp: Falcon response object
        """
        try:
            json_data = self.req_json(req)
            design = None
            if json_data is not None:
                base_design = json_data.get('base_design_id', None)

                if base_design is not None:
                    base_design = uuid.UUID(base_design)
                    design = hd_objects.SiteDesign(base_design_id=base_design)
            else:
                design = hd_objects.SiteDesign()
            design.assign_id()
            design.create(req.context, self.state_manager)

            resp.body = json.dumps(design.obj_to_simple())
            resp.status = falcon.HTTP_201
        except errors.StateError:
            self.error(req.context, "Error updating persistence")
            self.return_error(
                resp,
                falcon.HTTP_500,
                message="Error updating persistence",
                retry=True)
        except errors.InvalidFormat as fex:
            self.error(req.context, str(fex))
            self.return_error(
                resp, falcon.HTTP_400, message=str(fex), retry=False)

def on_get(self, req, resp, design_id, kind, name):
        source = req.params.get('source', 'designed')

        try:
            design = None
            if source == 'compiled':
                design = self.orchestrator.get_effective_site(design_id)
            elif source == 'designed':
                design = self.orchestrator.get_described_site(design_id)

            part = None
            if kind == 'Site':
                part = design.get_site()
            elif kind == 'Network':
                part = design.get_network(name)
            elif kind == 'NetworkLink':
                part = design.get_network_link(name)
            elif kind == 'HardwareProfile':
                part = design.get_hardware_profile(name)
            elif kind == 'HostProfile':
                part = design.get_host_profile(name)
            elif kind == 'BaremetalNode':
                part = design.get_baremetal_node(name)
            else:
                self.error(req.context, "Kind %s unknown" % kind)
                self.return_error(
                    resp,
                    falcon.HTTP_404,
                    message="Kind %s unknown" % kind,
                    retry=False)
                return

            resp.body = json.dumps(part.obj_to_simple())
        except errors.DesignError as dex:
            self.error(req.context, str(dex))
            self.return_error(
                resp, falcon.HTTP_404, message=str(dex), retry=False)
        except Exception as exc:
            self.error(req.context, str(exc))
            self.return_error(
                resp.falcon.HTTP_500, message=str(exc), retry=False)

def on_post(self, req, resp):
        """Handler for POST method."""
        # A map of supported actions to the handlers for tasks for those actions
        supported_actions = {
            'validate_design': TasksResource.task_validate_design,
            'verify_site': TasksResource.task_verify_site,
            'prepare_site': TasksResource.task_prepare_site,
            'verify_nodes': TasksResource.task_verify_nodes,
            'prepare_nodes': TasksResource.task_prepare_nodes,
            'deploy_nodes': TasksResource.task_deploy_nodes,
            'destroy_nodes': TasksResource.task_destroy_nodes,
        }

        try:
            json_data = self.req_json(req)

            action = json_data.get('action', None)
            if supported_actions.get(action, None) is None:
                self.error(req.context, "Unsupported action %s" % action)
                self.return_error(
                    resp,
                    falcon.HTTP_400,
                    message="Unsupported action %s" % action,
                    retry=False)
            else:
                supported_actions.get(action)(self, req, resp, json_data)
        except Exception as ex:
            self.error(req.context, "Unknown error: %s\n%s" %
                       (str(ex), traceback.format_exc()))
            self.return_error(
                resp, falcon.HTTP_500, message="Unknown error", retry=False)

def on_get(self, req, resp, **kwargs):
        resp.status = falcon.HTTP_500
        resp.body = 'Failure'

def post_excp(req, resp, error):
    if type(error) == CustomException:
        resp.body = json.dumps({
            'error': 'hahah'
        })
        resp.status = falcon.HTTP_500
        # raise error

def sink(req, resp):
    do_log_history(req, resp)

    paths = filter(lambda x: x != '', req.path.split('/'))
    ctrl_name = func_name = 'index'
    if len(paths) >= 2:
        ctrl_name = paths[0]
        func_name = paths[1]
    elif len(paths) == 1:
        func_name = paths[0]
    ctrl = loader.ctrl(ctrl_name)

    if ctrl == None or not hasattr(ctrl, func_name):
        resp.status = falcon.HTTP_404
        resp.body = "Not Found"
    else:
        try:
            content = getattr(ctrl, func_name)(req, resp)
            if resp.body == None:
                if isinstance(content, unicode):
                    resp.body = unicode.encode(content, 'utf-8', 'ignore')
                elif isinstance(content, str):
                    resp.body = content
                else:
                    resp.body = json.dumps(content)
        except Exception as ex:
            log_error(ex)
            resp.status = falcon.HTTP_500
            resp.body = str(ex)
            #resp.body = 'A server error occurred. Please contact the administrator'
    do_log_result(req, resp)

def on_post(self, req, resp):
        try:

            # Load data from request and get options

            data = list(self.req_yaml(req))

            if type(data[0]) is list:
                data = list(data[0])

            opts = req.params

            # Encode filename
            armada = Armada(
                data,
                disable_update_pre=req.get_param_as_bool(
                    'disable_update_pre'),
                disable_update_post=req.get_param_as_bool(
                    'disable_update_post'),
                enable_chart_cleanup=req.get_param_as_bool(
                    'enable_chart_cleanup'),
                dry_run=req.get_param_as_bool('dry_run'),
                wait=req.get_param_as_bool('wait'),
                timeout=int(opts.get('timeout', 3600)),
                tiller_host=opts.get('tiller_host', None),
                tiller_port=int(opts.get('tiller_port', 44134)),
            )

            msg = armada.sync()

            resp.body = json.dumps(
                {
                    'message': msg,
                }
            )

            resp.content_type = 'application/json'
            resp.status = falcon.HTTP_200
        except Exception as e:
            err_message = 'Failed to apply manifest: {}'.format(e)
            self.error(req.context, err_message)
            self.return_error(
                resp, falcon.HTTP_500, message=err_message)