def get(self, request, provider_uuid, identity_uuid): """ Using provider and identity, getlist of machines TODO: Cache this request """ try: request_user = request.user logger.debug("filtered_machine_list") filtered_machine_list = provider_filtered_machines(request, provider_uuid, identity_uuid, request_user) except ProviderNotActive as pna: return inactive_provider(pna) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except LibcloudBadResponseError: return malformed_response(provider_uuid, identity_uuid) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except ObjectDoesNotExist: return invalid_provider_identity(provider_uuid, identity_uuid) except Exception as e: logger.exception("Unexpected exception for user:%s" % request_user) return failure_response(status.HTTP_409_CONFLICT, e.message) serialized_data = ProviderMachineSerializer(filtered_machine_list, request_user=request.user, many=True).data response = Response(serialized_data) return response
def get(self, request, provider_uuid, identity_uuid, instance_id): """ Authentication Required, get instance details. """ user = request.user # NOTE: This 'Scheme' should be used across # the ENTIRE API v1 (Machines, Volumes, Sizes) # NOTE: Especially the part below, where you end date # all the things that are 'inactive' try: provider = Provider.objects.get(uuid=provider_uuid) if not provider.is_current(): raise ProviderNotActive(provider) except Provider.DoesNotExist: return invalid_creds(provider_uuid, identity_uuid) except ProviderNotActive as pna: return inactive_provider(pna) # Cleared provider testing -- ready for driver prep. try: esh_driver = prepare_driver(request, provider_uuid, identity_uuid) if not esh_driver: return invalid_creds(provider_uuid, identity_uuid) logger.info("InstanceQuery Looking for %s" % instance_id) esh_instance = esh_driver.get_instance(instance_id) logger.info("InstanceQuery Found instance %s" % esh_instance) except (socket_error, ConnectionFailure): logger.exception("Connection failure prevented InstanceQuery") return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: logger.exception("Invalid credentialsprevented InstanceQuery") return invalid_creds(provider_uuid, identity_uuid) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) # NOTE: Especially THIS part below, where you end date all the # things that are 'inactive' if not esh_instance: try: core_inst = CoreInstance.objects.get( provider_alias=instance_id, source__provider__uuid=provider_uuid, created_by_identity__uuid=identity_uuid) core_inst.end_date_all() except CoreInstance.DoesNotExist: pass return instance_not_found(instance_id) core_instance = convert_esh_instance(esh_driver, esh_instance, provider_uuid, identity_uuid, user) serialized_data = InstanceSerializer( core_instance, context={"request": request}).data response = Response(serialized_data) response['Cache-Control'] = 'no-cache' return response
def get(self, request, provider_uuid, identity_uuid): """ Using provider and identity, getlist of machines TODO: Cache this request """ try: request_user = request.user logger.debug("filtered_machine_list") filtered_machine_list = provider_filtered_machines( request, provider_uuid, identity_uuid, request_user ) except ProviderNotActive as pna: return inactive_provider(pna) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except LibcloudBadResponseError: return malformed_response(provider_uuid, identity_uuid) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except ObjectDoesNotExist: return invalid_provider_identity(provider_uuid, identity_uuid) except Exception as e: logger.exception("Unexpected exception for user:%s" % request_user) return failure_response(status.HTTP_409_CONFLICT, e.message) serialized_data = ProviderMachineSerializer( filtered_machine_list, request_user=request.user, many=True ).data response = Response(serialized_data) return response
def get_esh_instance(request, provider_uuid, identity_uuid, instance_id): esh_driver = prepare_driver(request, provider_uuid, identity_uuid) if not esh_driver: raise LibcloudInvalidCredsError( "Provider_uuid && identity_uuid " "did not produce a valid combination") esh_instance = None try: esh_instance = esh_driver.get_instance(instance_id) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) if not esh_instance: # End date everything try: core_inst = CoreInstance.objects.get( provider_alias=instance_id, source__provider__uuid=provider_uuid, created_by_identity__uuid=identity_uuid) core_inst.end_date_all() except CoreInstance.DoesNotExist: pass return esh_instance
def get_esh_instance(request, provider_uuid, identity_uuid, instance_id): esh_driver = prepare_driver(request, provider_uuid, identity_uuid) if not esh_driver: raise LibcloudInvalidCredsError("Provider_uuid && identity_uuid " "did not produce a valid combination") esh_instance = None try: esh_instance = esh_driver.get_instance(instance_id) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) if not esh_instance: # End date everything try: core_inst = CoreInstance.objects.get( provider_alias=instance_id, source__provider__uuid=provider_uuid, created_by_identity__uuid=identity_uuid) core_inst.end_date_all() except CoreInstance.DoesNotExist: pass return esh_instance
def get(self, request, provider_uuid, identity_uuid, instance_id): """ Authentication Required, get instance details. """ user = request.user # NOTE: This 'Scheme' should be used across # the ENTIRE API v1 (Machines, Volumes, Sizes) # NOTE: Especially the part below, where you end date # all the things that are 'inactive' try: provider = Provider.objects.get(uuid=provider_uuid) if not provider.is_active(): raise ProviderNotActive(provider) except Provider.DoesNotExist: return invalid_creds(provider_uuid, identity_uuid) except ProviderNotActive as pna: return inactive_provider(pna) # Cleared provider testing -- ready for driver prep. try: esh_driver = prepare_driver(request, provider_uuid, identity_uuid) if not esh_driver: return invalid_creds(provider_uuid, identity_uuid) logger.info("InstanceQuery Looking for %s" % instance_id) esh_instance = esh_driver.get_instance(instance_id) logger.info("InstanceQuery Found instance %s" % esh_instance) except (socket_error, ConnectionFailure): logger.exception("Connection failure prevented InstanceQuery") return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: logger.exception("Invalid credentialsprevented InstanceQuery") return invalid_creds(provider_uuid, identity_uuid) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) # NOTE: Especially THIS part below, where you end date all the # things that are 'inactive' if not esh_instance: try: core_inst = CoreInstance.objects.get( provider_alias=instance_id, source__provider__uuid=provider_uuid, created_by_identity__uuid=identity_uuid) core_inst.end_date_all() except CoreInstance.DoesNotExist: pass return instance_not_found(instance_id) core_instance = convert_esh_instance(esh_driver, esh_instance, provider_uuid, identity_uuid, user) serialized_data = InstanceSerializer(core_instance, context={ "request": request }).data response = Response(serialized_data) response['Cache-Control'] = 'no-cache' return response
def put(self, request, provider_uuid, identity_uuid, instance_id): """Authentication Required, update metadata about the instance""" user = request.user data = request.data # Ensure item exists on the server first esh_driver = prepare_driver(request, provider_uuid, identity_uuid) if not esh_driver: return invalid_creds(provider_uuid, identity_uuid) if not can_use_instance(user, instance_id, leader_required=True): return member_action_forbidden(user.username, instance_id) try: esh_instance = esh_driver.get_instance(instance_id) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) if not esh_instance: return instance_not_found(instance_id) # Gather the DB related item and update core_instance = convert_esh_instance(esh_driver, esh_instance, provider_uuid, identity_uuid, user) serializer = InstanceSerializer(core_instance, data=data, context={"request": request}) identity = Identity.objects.get(uuid=identity_uuid) if serializer.is_valid(): logger.info('metadata = %s' % data) #NOTE: We shouldn't allow 'full replacement' of metadata.. # We should also validate against potentional updating of 'atmo-used metadata' update_metadata.s(esh_driver.__class__, esh_driver.provider, esh_driver.identity, esh_instance.id, data, replace_metadata=False).apply() new_instance = serializer.save() boot_scripts = data.pop('boot_scripts', []) if boot_scripts: new_instance = _save_scripts_to_instance( new_instance, boot_scripts) serializer = InstanceSerializer(new_instance, context={"request": request}) invalidate_cached_instances(identity=identity) response = Response(serializer.data) logger.info('data = %s' % serializer.data) response['Cache-Control'] = 'no-cache' return response else: return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def put(self, request, provider_uuid, identity_uuid, instance_id): """Authentication Required, update metadata about the instance""" user = request.user data = request.data # Ensure item exists on the server first esh_driver = prepare_driver(request, provider_uuid, identity_uuid) if not esh_driver: return invalid_creds(provider_uuid, identity_uuid) if not can_use_instance(user, instance_id, leader_required=True): return member_action_forbidden(user.username, instance_id) try: esh_instance = esh_driver.get_instance(instance_id) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) if not esh_instance: return instance_not_found(instance_id) # Gather the DB related item and update core_instance = convert_esh_instance(esh_driver, esh_instance, provider_uuid, identity_uuid, user) serializer = InstanceSerializer(core_instance, data=data, context={"request": request}) identity = Identity.objects.get(uuid=identity_uuid) if serializer.is_valid(): logger.info('metadata = %s' % data) #NOTE: We shouldn't allow 'full replacement' of metadata.. # We should also validate against potentional updating of 'atmo-used metadata' update_metadata.s(esh_driver.__class__, esh_driver.provider, esh_driver.identity, esh_instance.id, data, replace_metadata=False).apply() new_instance = serializer.save() boot_scripts = data.pop('boot_scripts', []) if boot_scripts: new_instance = _save_scripts_to_instance(new_instance, boot_scripts) serializer = InstanceSerializer( new_instance, context={"request": request}) invalidate_cached_instances(identity=identity) response = Response(serializer.data) logger.info('data = %s' % serializer.data) response['Cache-Control'] = 'no-cache' return response else: return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def get(self, request, provider_uuid, identity_uuid): """ Returns a list of all instances """ user = request.user try: esh_driver = prepare_driver(request, provider_uuid, identity_uuid) except ProviderNotActive as pna: return inactive_provider(pna) except Exception as e: return failure_response( status.HTTP_409_CONFLICT, e.message) if not esh_driver: return invalid_creds(provider_uuid, identity_uuid) identity = Identity.shared_with_user(user).get(uuid=identity_uuid) try: esh_instance_list = get_cached_instances(identity=identity) except LibcloudBadResponseError: return malformed_response(provider_uuid, identity_uuid) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) core_instance_list = [convert_esh_instance(esh_driver, inst, provider_uuid, identity_uuid, user) for inst in esh_instance_list] # TODO: Core/Auth checks for shared instances serialized_data = InstanceSerializer(core_instance_list, context={"request": request}, many=True).data response = Response(serialized_data) response['Cache-Control'] = 'no-cache' return response
def delete(self, request, provider_uuid, identity_uuid, instance_id): """Authentication Required, TERMINATE the instance. Be careful, there is no going back once you've deleted an instance. """ user = request.user esh_driver = prepare_driver(request, provider_uuid, identity_uuid) if not esh_driver: return invalid_creds(provider_uuid, identity_uuid) if not can_use_instance(user, instance_id, leader_required=True): return member_action_forbidden(user.username, instance_id) try: esh_instance = esh_driver.get_instance(instance_id) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) try: # Test that there is not an attached volume BEFORE we destroy task.destroy_instance_task(user, esh_instance, identity_uuid) invalidate_cached_instances( identity=Identity.objects.get(uuid=identity_uuid)) existing_instance = esh_driver.get_instance(instance_id) except VolumeAttachConflict as exc: message = exc.message return failure_response(status.HTTP_409_CONFLICT, message) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except InstanceDoesNotExist as dne: return failure_response( status.HTTP_404_NOT_FOUND, "Instance %s does not exist" % instance_id) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) try: core_instance = None if existing_instance: # Instance will be deleted soon... esh_instance = existing_instance if esh_instance.extra\ and 'task' not in esh_instance.extra: esh_instance.extra['task'] = 'queueing delete' core_instance = convert_esh_instance(esh_driver, esh_instance, provider_uuid, identity_uuid, user) if not core_instance: logger.warn("Unable to find core instance %s." % (instance_id)) core_instance = CoreInstance.objects.filter( provider_alias=instance_id).first() serialized_data = InstanceSerializer( core_instance, context={"request": request}).data response = Response(serialized_data, status=status.HTTP_200_OK) response['Cache-Control'] = 'no-cache' return response except (Identity.DoesNotExist) as exc: return failure_response(status.HTTP_400_BAD_REQUEST, "Invalid provider_uuid or identity_uuid.") except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid)
def post(self, request, provider_uuid, identity_uuid, instance_id): """Authentication Required, Attempt a specific instance action, including necessary parameters. """ # Service-specific call to action action_params = request.data if not action_params.get('action', None): return failure_response( status.HTTP_400_BAD_REQUEST, 'POST request to /action require a BODY with \'action\'.') result_obj = None user = request.user identity = Identity.objects.get(uuid=identity_uuid) action = action_params['action'] try: if not can_use_instance(user, instance_id, leader_required=True): return member_action_forbidden(user.username, "Instance", instance_id) result_obj = run_instance_action(user, identity, instance_id, action, action_params) result_obj = _further_process_result(request, action, result_obj) api_response = { 'result': 'success', 'message': 'The requested action <%s> was run successfully' % (action_params['action'],), 'object': result_obj, } response = Response(api_response, status=status.HTTP_200_OK) return response except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except ProviderNotActive as pna: return inactive_provider(pna) except InstanceDoesNotExist as dne: return failure_response( status.HTTP_404_NOT_FOUND, 'Instance %s no longer exists' % (instance_id,)) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except HypervisorCapacityError as hce: return over_capacity(hce) except OverQuotaError as oqe: return over_quota(oqe) except OverAllocationError as oae: return over_quota(oae) except AllocationBlacklistedError as e: return failure_response( status.HTTP_403_FORBIDDEN, e.message) except SizeNotAvailable as snae: return size_not_available(snae) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except VolumeMountConflict as vmc: return mount_failed(vmc) except NotImplemented: return failure_response( status.HTTP_409_CONFLICT, "The requested action %s is not available on this provider." % action_params['action']) except ActionNotAllowed: return failure_response( status.HTTP_409_CONFLICT, "The requested action %s has been explicitly " "disabled on this provider." % action_params['action']) except Exception as exc: logger.exception("Exception occurred processing InstanceAction") message = exc.message if message.startswith('409 Conflict'): return failure_response( status.HTTP_409_CONFLICT, message) return failure_response( status.HTTP_403_FORBIDDEN, "The requested action %s encountered " "an irrecoverable exception: %s" % (action_params['action'], message))
def post(self, request, provider_uuid, identity_uuid, format=None): """ Instance Class: Launches an instance based on the params Returns a single instance Parameters: machine_alias, size_alias, username TODO: Create a 'reverse' using the instance-id to pass the URL for the newly created instance I.e: url = "/provider/1/instance/1/i-12345678" """ data = request.data user = request.user # Check the data is valid missing_keys = valid_post_data(data) if missing_keys: return keys_not_found(missing_keys) identity = Identity.shared_with_user(user, is_leader=True).filter(uuid=identity_uuid).first() if not identity: failure_msg = "User %s does not have permission to POST with this identity. Promote user to leader or use a different Identity." % (user,) return failure_response(status.HTTP_403_FORBIDDEN, failure_msg) # Pass these as args size_alias = data.pop("size_alias") allocation_source_uuid = data.pop("allocation_source_uuid",None) machine_alias = data.pop("machine_alias") hypervisor_name = data.pop("hypervisor", None) if hypervisor_name: # Previous method passed this with 'None' but that fails now. # This check will only add the ex_ value if it is 'truthy'. data['ex_hypervisor_name'] = hypervisor_name deploy = data.pop("deploy", True) if type(deploy) in [str, unicode] and deploy.lower() == "false": deploy = False elif not isinstance(deploy, bool): deploy = True boot_scripts = data.pop("scripts", []) try: logger.debug(data) allocation_source = AllocationSource.objects.get( uuid=allocation_source_uuid) core_instance = launch_instance( user, identity_uuid, size_alias, machine_alias, deploy=deploy, allocation_source=allocation_source, **data) except UnderThresholdError as ute: return under_threshold(ute) except OverQuotaError as oqe: return over_quota(oqe) except OverAllocationError as oae: return over_quota(oae) except AllocationBlacklistedError as e: return failure_response( status.HTTP_403_FORBIDDEN, e.message) except Unauthorized: return invalid_creds(provider_uuid, identity_uuid) except SizeNotAvailable as snae: return size_not_available(snae) except SecurityGroupNotCreated: return connection_failure(provider_uuid, identity_uuid) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) serializer = InstanceSerializer(core_instance, context={"request": request}, data=data) if serializer.is_valid(): instance = serializer.save() if boot_scripts: _save_scripts_to_instance(instance, boot_scripts) instance.change_allocation_source(allocation_source) logger.info("DEBUG- Instance launch completed - Returning instance %s (%s) to user %s" % (instance, instance.created_by_identity, request.user)) return Response(serializer.data, status=status.HTTP_201_CREATED) else: return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def delete(self, request, provider_uuid, identity_uuid, instance_id): """Authentication Required, TERMINATE the instance. Be careful, there is no going back once you've deleted an instance. """ user = request.user esh_driver = prepare_driver(request, provider_uuid, identity_uuid) if not esh_driver: return invalid_creds(provider_uuid, identity_uuid) if not can_use_instance(user, instance_id, leader_required=True): return member_action_forbidden(user.username, instance_id) try: esh_instance = esh_driver.get_instance(instance_id) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) try: # Test that there is not an attached volume BEFORE we destroy task.destroy_instance_task(user, esh_instance, identity_uuid) invalidate_cached_instances(identity=Identity.objects.get( uuid=identity_uuid)) existing_instance = esh_driver.get_instance(instance_id) except VolumeAttachConflict as exc: message = exc.message return failure_response(status.HTTP_409_CONFLICT, message) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except InstanceDoesNotExist as dne: return failure_response( status.HTTP_404_NOT_FOUND, 'Instance %s no longer exists' % (dne.message, )) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) try: if existing_instance: # Instance will be deleted soon... esh_instance = existing_instance if esh_instance.extra\ and 'task' not in esh_instance.extra: esh_instance.extra['task'] = 'queueing delete' core_instance = convert_esh_instance(esh_driver, esh_instance, provider_uuid, identity_uuid, user) if not core_instance: logger.warn("Unable to find core instance %s." % (instance_id)) core_instance = CoreInstance.objects.filter( provider_alias=instance_id).first() serialized_data = InstanceSerializer(core_instance, context={ "request": request }).data response = Response(serialized_data, status=status.HTTP_200_OK) response['Cache-Control'] = 'no-cache' return response except (Identity.DoesNotExist) as exc: return failure_response(status.HTTP_400_BAD_REQUEST, "Invalid provider_uuid or identity_uuid.") except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid)
def post(self, request, provider_uuid, identity_uuid, instance_id): """Authentication Required, Attempt a specific instance action, including necessary parameters. """ # Service-specific call to action action_params = request.data if not action_params.get('action', None): return failure_response( status.HTTP_400_BAD_REQUEST, 'POST request to /action require a BODY with \'action\'.') result_obj = None user = request.user identity = Identity.objects.get(uuid=identity_uuid) action = action_params['action'] try: if not can_use_instance(user, instance_id, leader_required=True): return member_action_forbidden(user.username, "Instance", instance_id) result_obj = run_instance_action(user, identity, instance_id, action, action_params) result_obj = _further_process_result(request, action, result_obj) api_response = { 'result': 'success', 'message': 'The requested action <%s> was run successfully' % (action_params['action'], ), 'object': result_obj, } response = Response(api_response, status=status.HTTP_200_OK) return response except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except ProviderNotActive as pna: return inactive_provider(pna) except InstanceDoesNotExist as dne: return failure_response( status.HTTP_404_NOT_FOUND, 'Instance %s no longer exists' % (dne.message, )) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except HypervisorCapacityError as hce: return over_capacity(hce) except OverQuotaError as oqe: return over_quota(oqe) except OverAllocationError as oae: return over_quota(oae) except SizeNotAvailable as snae: return size_not_available(snae) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except VolumeMountConflict as vmc: return mount_failed(vmc) except NotImplemented: return failure_response( status.HTTP_409_CONFLICT, "The requested action %s is not available on this provider." % action_params['action']) except ActionNotAllowed: return failure_response( status.HTTP_409_CONFLICT, "The requested action %s has been explicitly " "disabled on this provider." % action_params['action']) except Exception as exc: logger.exception("Exception occurred processing InstanceAction") message = exc.message if message.startswith('409 Conflict'): return failure_response(status.HTTP_409_CONFLICT, message) return failure_response( status.HTTP_403_FORBIDDEN, "The requested action %s encountered " "an irrecoverable exception: %s" % (action_params['action'], message))
def post(self, request, provider_uuid, identity_uuid, format=None): """ Instance Class: Launches an instance based on the params Returns a single instance Parameters: machine_alias, size_alias, username TODO: Create a 'reverse' using the instance-id to pass the URL for the newly created instance I.e: url = "/provider/1/instance/1/i-12345678" """ data = request.data user = request.user # Check the data is valid missing_keys = valid_post_data(data) if missing_keys: return keys_not_found(missing_keys) identity = Identity.shared_with_user( user, is_leader=True).filter(uuid=identity_uuid).first() if not identity: failure_msg = "User %s does not have permission to POST with this identity. Promote user to leader or use a different Identity." % ( user, ) return failure_response(status.HTTP_403_FORBIDDEN, failure_msg) # Pass these as args size_alias = data.pop("size_alias") allocation_source_uuid = data.pop("allocation_source_uuid", None) machine_alias = data.pop("machine_alias") hypervisor_name = data.pop("hypervisor", None) if hypervisor_name: # Previous method passed this with 'None' but that fails now. # This check will only add the ex_ value if it is 'truthy'. data['ex_hypervisor_name'] = hypervisor_name deploy = data.pop("deploy", True) if type(deploy) in [str, unicode] and deploy.lower() == "false": deploy = False elif not isinstance(deploy, bool): deploy = True boot_scripts = data.pop("scripts", []) try: logger.debug(data) allocation_source = AllocationSource.objects.get( uuid=allocation_source_uuid) core_instance = launch_instance( user, identity_uuid, size_alias, machine_alias, deploy=deploy, allocation_source=allocation_source, **data) except UnderThresholdError as ute: return under_threshold(ute) except OverQuotaError as oqe: return over_quota(oqe) except OverAllocationError as oae: return over_quota(oae) except Unauthorized as auth_invalid: return invalid_creds(provider_uuid, identity_uuid) except SizeNotAvailable as snae: return size_not_available(snae) except SecurityGroupNotCreated: return connection_failure(provider_uuid, identity_uuid) except (socket_error, ConnectionFailure): return connection_failure(provider_uuid, identity_uuid) except LibcloudInvalidCredsError: return invalid_creds(provider_uuid, identity_uuid) except Exception as exc: logger.exception("Encountered a generic exception. " "Returning 409-CONFLICT") return failure_response(status.HTTP_409_CONFLICT, str(exc.message)) serializer = InstanceSerializer(core_instance, context={"request": request}, data=data) if serializer.is_valid(): instance = serializer.save() if boot_scripts: _save_scripts_to_instance(instance, boot_scripts) instance.change_allocation_source(allocation_source) logger.info( "DEBUG- Instance launch completed - Returning instance %s (%s) to user %s" % (instance, instance.created_by_identity, request.user)) return Response(serializer.data, status=status.HTTP_201_CREATED) else: return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)