Example #1
0
    def post(self, request, provider_id, identity_id, 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
        esh_driver = prepare_driver(request, provider_id, identity_id)
        if not esh_driver:
            return invalid_creds(provider_id, identity_id)
        instance_list_method = esh_driver.list_instances
        if AccountProvider.objects.filter(identity__id=identity_id):
            # Instance list method changes when using the OPENSTACK provider
            instance_list_method = esh_driver.list_all_instances
        try:
            esh_instance_list = instance_list_method()
        except ConnectionFailure:
            return connection_failure(provider_id, identity_id)
        except InvalidCredsError:
            return invalid_creds(provider_id, identity_id)

        esh_instance = esh_driver.get_instance(instance_id)
        if not esh_instance:
            return failure_response(
                status.HTTP_400_BAD_REQUEST,
                'Instance %s no longer exists' % (instance_id,))
        action = action_params['action']
        try:
            if 'volume' in action:
                volume_id = action_params.get('volume_id')
                if 'attach_volume' == action:
                    mount_location = action_params.get('mount_location', None)
                    if mount_location == 'null' or mount_location == 'None':
                        mount_location = None
                    device = action_params.get('device', None)
                    if device == 'null' or device == 'None':
                        device = None
                    task.attach_volume_task(esh_driver, esh_instance.alias,
                                            volume_id, device, mount_location)
                elif 'detach_volume' == action:
                    (result, error_msg) = task.detach_volume_task(
                        esh_driver,
                        esh_instance.alias,
                        volume_id)
                    if not result and error_msg:
                        #Return reason for failed detachment
                        return failure_response(
                            status.HTTP_400_BAD_REQUEST,
                            error_msg)
                #Task complete, convert the volume and return the object
                esh_volume = esh_driver.get_volume(volume_id)
                core_volume = convert_esh_volume(esh_volume,
                                                 provider_id,
                                                 identity_id,
                                                 user)
                result_obj = VolumeSerializer(core_volume,
                                              context={"request":request}
                                              ).data
            elif 'resize' == action:
                size_alias = action_params.get('size', '')
                if type(size_alias) == int:
                    size_alias = str(size_alias)
                resize_instance(esh_driver, esh_instance, size_alias,
                               provider_id, identity_id, user)
            elif 'confirm_resize' == action:
                confirm_resize(esh_driver, esh_instance,
                               provider_id, identity_id, user)
            elif 'revert_resize' == action:
                esh_driver.revert_resize_instance(esh_instance)
            elif 'redeploy' == action:
                redeploy_init(esh_driver, esh_instance, countdown=None)
            elif 'resume' == action:
                resume_instance(esh_driver, esh_instance,
                                provider_id, identity_id, user)
            elif 'suspend' == action:
                suspend_instance(esh_driver, esh_instance,
                                 provider_id, identity_id, user)
            elif 'start' == action:
                start_instance(esh_driver, esh_instance,
                               provider_id, identity_id, user)
            elif 'stop' == action:
                stop_instance(esh_driver, esh_instance,
                              provider_id, identity_id, user)
            elif 'reset_network' == action:
                esh_driver.reset_network(esh_instance)
            elif 'console' == action:
                result_obj = esh_driver._connection.ex_vnc_console(esh_instance)
            elif 'reboot' == action:
                reboot_type = action_params.get('reboot_type', 'SOFT')
                reboot_instance(esh_driver, esh_instance, reboot_type)
            elif 'rebuild' == action:
                machine_alias = action_params.get('machine_alias', '')
                machine = esh_driver.get_machine(machine_alias)
                esh_driver.rebuild_instance(esh_instance, machine)
            else:
                return failure_response(
                    status.HTTP_400_BAD_REQUEST,
                    'Unable to to perform action %s.' % (action))
            #ASSERT: The action was executed successfully
            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
        ### Exception handling below..
        except HypervisorCapacityError, hce:
            return over_capacity(hce)
Example #2
0
    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
        esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
        if not esh_driver:
            return invalid_creds(provider_uuid, identity_uuid)

        try:
            esh_instance = esh_driver.get_instance(instance_id)
        except (socket_error, ConnectionFailure):
            return connection_failure(provider_uuid, identity_uuid)
        except InvalidCredsError:
            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 failure_response(
                status.HTTP_400_BAD_REQUEST,
                'Instance %s no longer exists' % (instance_id,))
        action = action_params['action']
        try:
            if 'volume' in action:
                volume_id = action_params.get('volume_id')
                mount_location = action_params.get('mount_location', None)
                device = action_params.get('device', None)
                if 'attach_volume' == action:
                    if mount_location == 'null' or mount_location == 'None':
                        mount_location = None
                    if device == 'null' or device == 'None':
                        device = None
                    future_mount_location =\
                        task.attach_volume_task(esh_driver,
                                                esh_instance.alias,
                                                volume_id,
                                                device,
                                                mount_location)
                elif 'mount_volume' == action:
                    future_mount_location =\
                        task.mount_volume_task(esh_driver,
                                               esh_instance.alias,
                                               volume_id, device,
                                               mount_location)
                elif 'unmount_volume' == action:
                    (result, error_msg) =\
                        task.unmount_volume_task(esh_driver,
                                                 esh_instance.alias,
                                                 volume_id, device,
                                                 mount_location)
                elif 'detach_volume' == action:
                    (result, error_msg) =\
                        task.detach_volume_task(esh_driver,
                                                esh_instance.alias,
                                                volume_id)
                    if not result and error_msg:
                        # Return reason for failed detachment
                        return failure_response(
                            status.HTTP_400_BAD_REQUEST,
                            error_msg)
                # Task complete, convert the volume and return the object
                esh_volume = esh_driver.get_volume(volume_id)
                core_volume = convert_esh_volume(esh_volume,
                                                 provider_uuid,
                                                 identity_uuid,
                                                 user)
                result_obj =\
                    VolumeSerializer(core_volume,
                                     context={"request": request}).data
            elif 'resize' == action:
                size_alias = action_params.get('size', '')
                if type(size_alias) == int:
                    size_alias = str(size_alias)
                resize_instance(esh_driver, esh_instance, size_alias,
                                provider_uuid, identity_uuid, user)
            elif 'confirm_resize' == action:
                confirm_resize(esh_driver, esh_instance,
                               provider_uuid, identity_uuid, user)
            elif 'revert_resize' == action:
                esh_driver.revert_resize_instance(esh_instance)
            elif 'redeploy' == action:
                redeploy_init(esh_driver, esh_instance, countdown=None)
            elif 'resume' == action:
                result_obj = resume_instance(esh_driver, esh_instance,
                                             provider_uuid, identity_uuid,
                                             user)
            elif 'suspend' == action:
                result_obj = suspend_instance(esh_driver, esh_instance,
                                              provider_uuid, identity_uuid,
                                              user)
            elif 'shelve' == action:
                result_obj = shelve_instance(esh_driver, esh_instance,
                                             provider_uuid, identity_uuid,
                                             user)
            elif 'unshelve' == action:
                result_obj = unshelve_instance(esh_driver, esh_instance,
                                               provider_uuid, identity_uuid,
                                               user)
            elif 'shelve_offload' == action:
                result_obj = offload_instance(esh_driver, esh_instance)
            elif 'start' == action:
                start_instance(esh_driver, esh_instance,
                               provider_uuid, identity_uuid, user)
            elif 'stop' == action:
                stop_instance(esh_driver, esh_instance,
                              provider_uuid, identity_uuid, user)
            elif 'reset_network' == action:
                esh_driver.reset_network(esh_instance)
            elif 'console' == action:
                result_obj = esh_driver._connection\
                                       .ex_vnc_console(esh_instance)
            elif 'reboot' == action:
                reboot_type = action_params.get('reboot_type', 'SOFT')
                reboot_instance(esh_driver, esh_instance,
                                identity_uuid, user, reboot_type)
            elif 'rebuild' == action:
                machine_alias = action_params.get('machine_alias', '')
                machine = esh_driver.get_machine(machine_alias)
                esh_driver.rebuild_instance(esh_instance, machine)
            else:
                return failure_response(
                    status.HTTP_400_BAD_REQUEST,
                    'Unable to to perform action %s.' % (action))
            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 HypervisorCapacityError, hce:
            return over_capacity(hce)
Example #3
0
    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
        esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
        if not esh_driver:
            return invalid_creds(provider_uuid, identity_uuid)

        try:
            esh_instance = esh_driver.get_instance(instance_id)
        except (socket_error, ConnectionFailure):
            return connection_failure(provider_uuid, identity_uuid)
        except InvalidCredsError:
            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 failure_response(
                status.HTTP_400_BAD_REQUEST,
                'Instance %s no longer exists' % (instance_id,))
        action = action_params['action']
        try:
            if 'volume' in action:
                volume_id = action_params.get('volume_id')
                mount_location = action_params.get('mount_location', None)
                device = action_params.get('device', None)
                if 'attach_volume' == action:
                    if mount_location == 'null' or mount_location == 'None':
                        mount_location = None
                    if device == 'null' or device == 'None':
                        device = None
                    task.attach_volume_task(esh_driver,
                                            esh_instance.alias,
                                            volume_id,
                                            device,
                                            mount_location)
                elif 'mount_volume' == action:
                    task.mount_volume_task(esh_driver,
                                           esh_instance.alias,
                                           volume_id, device,
                                           mount_location)
                elif 'unmount_volume' == action:
                    (result, error_msg) =\
                        task.unmount_volume_task(esh_driver,
                                                 esh_instance.alias,
                                                 volume_id, device,
                                                 mount_location)
                elif 'detach_volume' == action:
                    (result, error_msg) =\
                        task.detach_volume_task(esh_driver,
                                                esh_instance.alias,
                                                volume_id)
                    if not result and error_msg:
                        # Return reason for failed detachment
                        return failure_response(
                            status.HTTP_400_BAD_REQUEST,
                            error_msg)
                # Task complete, convert the volume and return the object
                esh_volume = esh_driver.get_volume(volume_id)
                core_volume = convert_esh_volume(esh_volume,
                                                 provider_uuid,
                                                 identity_uuid,
                                                 user)
                result_obj =\
                    VolumeSerializer(core_volume,
                                     context={"request": request}).data
            elif 'resize' == action:
                size_alias = action_params.get('size', '')
                if isinstance(size_alias, int):
                    size_alias = str(size_alias)
                resize_instance(esh_driver, esh_instance, size_alias,
                                provider_uuid, identity_uuid, user)
            elif 'confirm_resize' == action:
                confirm_resize(esh_driver, esh_instance,
                               provider_uuid, identity_uuid, user)
            elif 'revert_resize' == action:
                esh_driver.revert_resize_instance(esh_instance)
            elif 'redeploy' == action:
                redeploy_init(esh_driver, esh_instance)
            elif 'resume' == action:
                result_obj = resume_instance(esh_driver, esh_instance,
                                             provider_uuid, identity_uuid,
                                             user)
            elif 'suspend' == action:
                result_obj = suspend_instance(esh_driver, esh_instance,
                                              provider_uuid, identity_uuid,
                                              user)
            elif 'shelve' == action:
                result_obj = shelve_instance(esh_driver, esh_instance,
                                             provider_uuid, identity_uuid,
                                             user)
            elif 'unshelve' == action:
                result_obj = unshelve_instance(esh_driver, esh_instance,
                                               provider_uuid, identity_uuid,
                                               user)
            elif 'shelve_offload' == action:
                result_obj = offload_instance(esh_driver, esh_instance)
            elif 'start' == action:
                start_instance(esh_driver, esh_instance,
                               provider_uuid, identity_uuid, user)
            elif 'stop' == action:
                stop_instance(esh_driver, esh_instance,
                              provider_uuid, identity_uuid, user)
            elif 'reset_network' == action:
                esh_driver.reset_network(esh_instance)
            elif 'console' == action:
                result_obj = esh_driver._connection\
                                       .ex_vnc_console(esh_instance)
            elif 'reboot' == action:
                reboot_type = action_params.get('reboot_type', 'SOFT')
                reboot_instance(esh_driver, esh_instance,
                                identity_uuid, user, reboot_type)
            elif 'rebuild' == action:
                machine_alias = action_params.get('machine_alias', '')
                machine = esh_driver.get_machine(machine_alias)
                esh_driver.rebuild_instance(esh_instance, machine)
            else:
                return failure_response(
                    status.HTTP_400_BAD_REQUEST,
                    'Unable to to perform action %s.' % (action))
            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 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_availabe(snae)
        except (socket_error, ConnectionFailure):
            return connection_failure(provider_uuid, identity_uuid)
        except InvalidCredsError:
            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_404_FORBIDDEN,
                "The requested action %s encountered "
                "an irrecoverable exception: %s"
                % (action_params['action'], message))
Example #4
0
    def post(self, request, provider_id, identity_id, 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
        esh_driver = prepare_driver(request, provider_id, identity_id)
        if not esh_driver:
            return invalid_creds(provider_id, identity_id)
        instance_list_method = esh_driver.list_instances
        if AccountProvider.objects.filter(identity__id=identity_id):
            # Instance list method changes when using the OPENSTACK provider
            instance_list_method = esh_driver.list_all_instances
        try:
            esh_instance_list = instance_list_method()
        except InvalidCredsError:
            return invalid_creds(provider_id, identity_id)

        esh_instance = esh_driver.get_instance(instance_id)
        if not esh_instance:
            return failure_response(
                status.HTTP_400_BAD_REQUEST,
                'Instance %s no longer exists' % (instance_id, ))
        action = action_params['action']
        try:
            if 'volume' in action:
                volume_id = action_params.get('volume_id')
                if 'attach_volume' == action:
                    mount_location = action_params.get('mount_location', None)
                    if mount_location == 'null' or mount_location == 'None':
                        mount_location = None
                    device = action_params.get('device', None)
                    if device == 'null' or device == 'None':
                        device = None
                    task.attach_volume_task(esh_driver, esh_instance.alias,
                                            volume_id, device, mount_location)
                elif 'detach_volume' == action:
                    (result, error_msg) = task.detach_volume_task(
                        esh_driver, esh_instance.alias, volume_id)
                    if not result and error_msg:
                        #Return reason for failed detachment
                        return failure_response(status.HTTP_400_BAD_REQUEST,
                                                error_msg)
                #Task complete, convert the volume and return the object
                esh_volume = esh_driver.get_volume(volume_id)
                core_volume = convert_esh_volume(esh_volume, provider_id,
                                                 identity_id, user)
                result_obj = VolumeSerializer(core_volume,
                                              context={
                                                  'user': request.user
                                              }).data
            elif 'resize' == action:
                size_alias = action_params.get('size', '')
                if type(size_alias) == int:
                    size_alias = str(size_alias)
                resize_instance(esh_driver, esh_instance, size_alias,
                                provider_id, identity_id, user)
            elif 'confirm_resize' == action:
                confirm_resize(esh_driver, esh_instance, provider_id,
                               identity_id, user)
            elif 'revert_resize' == action:
                esh_driver.revert_resize_instance(esh_instance)
            elif 'redeploy' == action:
                redeploy_init(esh_driver, esh_instance, countdown=None)
            elif 'resume' == action:
                resume_instance(esh_driver, esh_instance, provider_id,
                                identity_id, user)
            elif 'suspend' == action:
                suspend_instance(esh_driver, esh_instance, provider_id,
                                 identity_id, user)
            elif 'start' == action:
                start_instance(esh_driver, esh_instance, provider_id,
                               identity_id, user)
            elif 'stop' == action:
                stop_instance(esh_driver, esh_instance, provider_id,
                              identity_id, user)
            elif 'reset_network' == action:
                esh_driver.reset_network(esh_instance)
            elif 'console' == action:
                result_obj = esh_driver._connection.ex_vnc_console(
                    esh_instance)
            elif 'reboot' == action:
                reboot_type = action_params.get('reboot_type', 'SOFT')
                reboot_instance(esh_driver, esh_instance, reboot_type)
            elif 'rebuild' == action:
                machine_alias = action_params.get('machine_alias', '')
                machine = esh_driver.get_machine(machine_alias)
                esh_driver.rebuild_instance(esh_instance, machine)
            else:
                return failure_response(
                    status.HTTP_400_BAD_REQUEST,
                    'Unable to to perform action %s.' % (action))
            #ASSERT: The action was executed successfully
            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
        ### Exception handling below..
        except HypervisorCapacityError, hce:
            return over_capacity(hce)
Example #5
0
    def post(self, request, provider_id, identity_id, instance_id):
        """
        """
        #Service-specific call to action
        action_params = request.DATA
        if not action_params.get('action', None):
            errorObj = failureJSON([{
                'code': 400,
                'message':
                'POST request to /action require a BODY with \'action\':'}])
            return Response(errorObj, status=status.HTTP_400_BAD_REQUEST)

        result_obj = None
        user = request.user
        esh_driver = prepare_driver(request, identity_id)

        instance_list_method = esh_driver.list_instances

        if AccountProvider.objects.filter(identity__id=identity_id):
            # Instance list method changes when using the OPENSTACK provider
            instance_list_method = esh_driver.list_all_instances

        try:
            esh_instance_list = instance_list_method()
        except InvalidCredsError:
            return invalid_creds(provider_id, identity_id)

        esh_instance = esh_driver.get_instance(instance_id)
        if not esh_instance:
            errorObj = failureJSON([{
                'code': 400,
                'message': 'Instance %s no longer exists' % (instance_id,)}])
            return Response(errorObj, status=status.HTTP_400_BAD_REQUEST)

        action = action_params['action']
        try:
            if 'volume' in action:
                volume_id = action_params.get('volume_id')
                if 'attach_volume' == action:
                    mount_location = action_params.get('mount_location',None)
                    if mount_location == 'null' or mount_location == 'None':
                        mount_location = None
                    device = action_params.get('device', None)
                    if device == 'null' or device == 'None':
                        device = None
                    task.attach_volume_task(esh_driver, esh_instance.alias,
                                            volume_id, device, mount_location)
                elif 'detach_volume' == action:
                    (result, error_msg) = task.detach_volume_task(
                                                            esh_driver, 
                                                            esh_instance.alias,
                                                            volume_id)
                    if not result and error_msg:
                        #Return reason for failed detachment
                        errorObj = failureJSON([{'code': 400,
                                                 'message': error_msg}])
                        return Response(errorObj,
                                        status=status.HTTP_400_BAD_REQUEST)

                #Task complete, convert the volume and return the object
                esh_volume = esh_driver.get_volume(volume_id)
                core_volume = convert_esh_volume(esh_volume,
                                               provider_id,
                                               identity_id,
                                               user)
                result_obj = VolumeSerializer(core_volume).data
            elif 'resize' == action:
                size_alias = action_params.get('size', '')
                if type(size_alias) == int:
                    size_alias = str(size_alias)
                size = esh_driver.get_size(size_alias)
                esh_driver.resize_instance(esh_instance, size)
            elif 'confirm_resize' == action:
                esh_driver.confirm_resize_instance(esh_instance)
            elif 'revert_resize' == action:
                esh_driver.revert_resize_instance(esh_instance)
            elif 'resume' == action:
                resume_instance(esh_driver, esh_instance,
                                provider_id, identity_id, user)
            elif 'suspend' == action:
                suspend_instance(esh_driver, esh_instance,
                                provider_id, identity_id, user)
            elif 'start' == action:
                start_instance(esh_driver, esh_instance,
                               provider_id, identity_id, user)
            elif 'stop' == action:
                stop_instance(esh_driver, esh_instance,
                              provider_id, identity_id, user)
            elif 'reset_network' == action:
                esh_driver.reset_network(esh_instance)
            elif 'reboot' == action:
                esh_driver.reboot_instance(esh_instance)
            elif 'rebuild' == action:
                machine_alias = action_params.get('machine_alias', '')
                machine = esh_driver.get_machine(machine_alias)
                esh_driver.rebuild_instance(esh_instance, machine)
            else:
                errorObj = failureJSON([{
                    'code': 400,
                    'message': 'Unable to to perform action %s.' % (action)}])
                return Response(
                    errorObj,
                    status=status.HTTP_400_BAD_REQUEST)

            #ASSERT: The action was executed successfully
            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
        ### Exception handling below..
        except OverQuotaError, oqe:
            return over_quota(oqe)
Example #6
0
    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
        esh_driver = prepare_driver(request, provider_uuid, identity_uuid)
        if not esh_driver:
            return invalid_creds(provider_uuid, identity_uuid)

        try:
            esh_instance = esh_driver.get_instance(instance_id)
        except ConnectionFailure:
            return connection_failure(provider_uuid, identity_uuid)
        except InvalidCredsError:
            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 failure_response(
                status.HTTP_400_BAD_REQUEST,
                'Instance %s no longer exists' % (instance_id,))
        action = action_params['action']
        try:
            if 'volume' in action:
                volume_id = action_params.get('volume_id')
                mount_location = action_params.get('mount_location', None)
                device = action_params.get('device', None)
                if 'attach_volume' == action:
                    if mount_location == 'null' or mount_location == 'None':
                        mount_location = None
                    if device == 'null' or device == 'None':
                        device = None
                    future_mount_location =\
                        task.attach_volume_task(esh_driver,
                                                esh_instance.alias,
                                                volume_id,
                                                device,
                                                mount_location)
                elif 'mount_volume' == action:
                    future_mount_location =\
                        task.mount_volume_task(esh_driver,
                                               esh_instance.alias,
                                               volume_id, device,
                                               mount_location)
                elif 'unmount_volume' == action:
                    (result, error_msg) =\
                        task.unmount_volume_task(esh_driver,
                                                 esh_instance.alias,
                                                 volume_id, device,
                                                 mount_location)
                elif 'detach_volume' == action:
                    (result, error_msg) =\
                        task.detach_volume_task(esh_driver,
                                                esh_instance.alias,
                                                volume_id)
                    if not result and error_msg:
                        # Return reason for failed detachment
                        return failure_response(
                            status.HTTP_400_BAD_REQUEST,
                            error_msg)
                # Task complete, convert the volume and return the object
                esh_volume = esh_driver.get_volume(volume_id)
                core_volume = convert_esh_volume(esh_volume,
                                                 provider_uuid,
                                                 identity_uuid,
                                                 user)
                result_obj =\
                    VolumeSerializer(core_volume,
                                     context={"request": request}).data
            elif 'resize' == action:
                size_alias = action_params.get('size', '')
                if type(size_alias) == int:
                    size_alias = str(size_alias)
                resize_instance(esh_driver, esh_instance, size_alias,
                                provider_uuid, identity_uuid, user)
            elif 'confirm_resize' == action:
                confirm_resize(esh_driver, esh_instance,
                               provider_uuid, identity_uuid, user)
            elif 'revert_resize' == action:
                esh_driver.revert_resize_instance(esh_instance)
            elif 'redeploy' == action:
                redeploy_init(esh_driver, esh_instance, countdown=None)
            elif 'resume' == action:
                result_obj = resume_instance(esh_driver, esh_instance,
                                             provider_uuid, identity_uuid,
                                             user)
            elif 'suspend' == action:
                result_obj = suspend_instance(esh_driver, esh_instance,
                                              provider_uuid, identity_uuid,
                                              user)
            elif 'shelve' == action:
                result_obj = shelve_instance(esh_driver, esh_instance,
                                             provider_uuid, identity_uuid,
                                             user)
            elif 'unshelve' == action:
                result_obj = unshelve_instance(esh_driver, esh_instance,
                                               provider_uuid, identity_uuid,
                                               user)
            elif 'shelve_offload' == action:
                result_obj = offload_instance(esh_driver, esh_instance)
            elif 'start' == action:
                start_instance(esh_driver, esh_instance,
                               provider_uuid, identity_uuid, user)
            elif 'stop' == action:
                stop_instance(esh_driver, esh_instance,
                              provider_uuid, identity_uuid, user)
            elif 'reset_network' == action:
                esh_driver.reset_network(esh_instance)
            elif 'console' == action:
                result_obj = esh_driver._connection\
                                       .ex_vnc_console(esh_instance)
            elif 'reboot' == action:
                reboot_type = action_params.get('reboot_type', 'SOFT')
                reboot_instance(esh_driver, esh_instance,
                                identity_uuid, user, reboot_type)
            elif 'rebuild' == action:
                machine_alias = action_params.get('machine_alias', '')
                machine = esh_driver.get_machine(machine_alias)
                esh_driver.rebuild_instance(esh_instance, machine)
            else:
                return failure_response(
                    status.HTTP_400_BAD_REQUEST,
                    'Unable to to perform action %s.' % (action))
            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 HypervisorCapacityError, hce:
            return over_capacity(hce)