262 lines
9.4 KiB
Python
262 lines
9.4 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""The scheduled operations api."""
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from oslo_log import log as logging
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from oslo_utils import uuidutils
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from webob import exc
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from karbor.api import common
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from karbor.api.openstack import wsgi
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from karbor import exception
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from karbor.i18n import _
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from karbor import objects
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from karbor import policy
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from karbor.services.operationengine import api as operationengine_api
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from karbor import utils
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LOG = logging.getLogger(__name__)
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def check_policy(context, action, target_obj=None):
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_action = 'scheduled_operation:%s' % action
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policy.enforce(context, _action, target_obj)
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class ScheduledOperationViewBuilder(common.ViewBuilder):
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"""Model a server API response as a python dictionary."""
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_collection_name = "scheduled_operations"
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def detail(self, request, operation):
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"""Detailed view of a single scheduled operation."""
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operation_ref = {
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'scheduled_operation': {
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'id': operation.get('id'),
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'name': operation.get('name'),
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'description': operation.get('description'),
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'operation_type': operation.get('operation_type'),
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'trigger_id': operation.get('trigger_id'),
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'operation_definition': operation.get('operation_definition'),
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'enabled': operation.get('enabled'),
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}
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}
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return operation_ref
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def detail_list(self, request, operations):
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"""Detailed view of a list of operations."""
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return self._list_view(self.detail, request, operations)
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def _list_view(self, func, request, operations):
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operations_list = [func(request, item)['scheduled_operation']
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for item in operations]
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operations_links = self._get_collection_links(request,
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operations,
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self._collection_name,
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)
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ret = {'operations': operations_list}
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if operations_links:
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ret['operations_links'] = operations_links
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return ret
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class ScheduledOperationController(wsgi.Controller):
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"""The Scheduled Operation API controller for the OpenStack API."""
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_view_builder_class = ScheduledOperationViewBuilder
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def __init__(self):
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self.operationengine_api = operationengine_api.API()
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super(ScheduledOperationController, self).__init__()
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def create(self, req, body):
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"""Creates a new scheduled operation."""
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LOG.debug('Create scheduled operation start')
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if not self.is_valid_body(body, 'scheduled_operation'):
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raise exc.HTTPUnprocessableEntity()
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LOG.debug('Create a scheduled operation, request body: %s', body)
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context = req.environ['karbor.context']
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check_policy(context, 'create')
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operation_info = body['scheduled_operation']
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name = operation_info.get("name", None)
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operation_type = operation_info.get("operation_type", None)
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operation_definition = operation_info.get(
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"operation_definition", None)
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if not all([name, operation_type, operation_definition]):
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msg = _("Operation name or type or definition is not provided.")
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raise exc.HTTPBadRequest(explanation=msg)
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self.validate_name_and_description(operation_info)
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trigger_id = operation_info.get("trigger_id", None)
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trigger = self._get_trigger_by_id(context, trigger_id)
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if context.project_id != trigger.project_id:
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msg = _("Invalid trigger id provided.")
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raise exc.HTTPBadRequest(explanation=msg)
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operation_obj = {
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'name': operation_info.get('name', None),
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'description': operation_info.get('description', None),
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'operation_type': operation_type,
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'user_id': context.user_id,
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'project_id': context.project_id,
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'trigger_id': trigger_id,
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'operation_definition': operation_definition,
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}
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try:
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operation = objects.ScheduledOperation(context=context,
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**operation_obj)
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operation.create()
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except Exception as ex:
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self._raise_unknown_exception(ex)
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try:
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self._create_scheduled_operation(context, operation)
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except Exception:
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try:
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operation.destroy()
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except Exception:
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pass
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raise
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return self._view_builder.detail(req, operation)
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def delete(self, req, id):
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"""Delete a scheduled operation."""
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LOG.debug('Delete scheduled operation(%s) start', id)
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context = req.environ['karbor.context']
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operation = self._get_operation_by_id(context, id, ['trigger'])
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trigger = operation.trigger
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check_policy(context, 'delete', operation)
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try:
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self.operationengine_api.delete_scheduled_operation(
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context, id, trigger.id)
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except (exception.ScheduledOperationStateNotFound,
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exception.TriggerNotFound,
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Exception) as ex:
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self._raise_unknown_exception(ex)
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operation.destroy()
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def show(self, req, id):
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"""Return data about the given operation."""
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LOG.debug('Get scheduled operation(%s) start', id)
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context = req.environ['karbor.context']
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operation = self._get_operation_by_id(context, id)
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check_policy(context, 'get', operation)
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return self._view_builder.detail(req, operation)
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def index(self, req):
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"""Returns a list of operations, transformed through view builder."""
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context = req.environ['karbor.context']
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check_policy(context, 'list')
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params = req.params.copy()
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LOG.debug('List scheduled operation start, params=%s', params)
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marker, limit, offset = common.get_pagination_params(params)
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sort_keys, sort_dirs = common.get_sort_params(params)
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filters = params
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valid_filters = ["all_tenants", "name", "operation_type",
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"trigger_id", "operation_definition"]
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utils.remove_invalid_filter_options(context, filters, valid_filters)
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utils.check_filters(filters)
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all_tenants = utils.get_bool_param("all_tenants", filters)
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if not (context.is_admin and all_tenants):
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filters["project_id"] = context.project_id
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try:
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operations = objects.ScheduledOperationList.get_by_filters(
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context, filters, limit, marker, sort_keys, sort_dirs)
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except Exception as ex:
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self._raise_unknown_exception(ex)
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return self._view_builder.detail_list(req, operations)
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def _get_operation_by_id(self, context, id, expect_attrs=[]):
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if not uuidutils.is_uuid_like(id):
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msg = _("Invalid operation id provided.")
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raise exc.HTTPBadRequest(explanation=msg)
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try:
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operation = objects.ScheduledOperation.get_by_id(
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context, id, expect_attrs)
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except exception.ScheduledOperationNotFound as error:
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raise exc.HTTPNotFound(explanation=error.msg)
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except Exception as ex:
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self._raise_unknown_exception(ex)
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return operation
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def _get_trigger_by_id(self, context, trigger_id):
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if not uuidutils.is_uuid_like(trigger_id):
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msg = _("Invalid trigger id provided.")
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raise exc.HTTPBadRequest(explanation=msg)
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try:
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trigger = objects.Trigger.get_by_id(context, trigger_id)
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except exception.NotFound as ex:
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raise exc.HTTPNotFound(explanation=ex.msg)
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except Exception as ex:
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self._raise_unknown_exception(ex)
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return trigger
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def _create_scheduled_operation(self, context, operation):
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try:
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self.operationengine_api.create_scheduled_operation(
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context, operation)
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except (exception.InvalidInput,
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exception.ScheduledOperationExist,
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exception.TriggerIsInvalid,
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exception.InvalidOperationDefinition) as ex:
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raise exc.HTTPBadRequest(explanation=ex.msg)
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except (exception.TriggerNotFound,
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exception.AuthorizationFailure,
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Exception) as ex:
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self._raise_unknown_exception(ex)
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def _raise_unknown_exception(self, exception_instance):
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LOG.exception('An unknown exception happened')
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value = exception_instance.msg if isinstance(
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exception_instance, exception.KarborException) else type(
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exception_instance)
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msg = (_('Unexpected API Error. Please report this at '
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'http://bugs.launchpad.net/karbor/ and attach the '
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'Karbor API log if possible.\n%s') % value)
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raise exc.HTTPInternalServerError(explanation=msg)
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def create_resource():
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return wsgi.Resource(ScheduledOperationController())
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