03b1d2ce86
- Raise appropriate exceptions - Rename some methods - Make unit test more readable Change-Id: I2a5ae5ef863184c08af7be6860c96d4956fe38e7
94 lines
4.3 KiB
Python
94 lines
4.3 KiB
Python
# Copyright 2016 Internap.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_log import log
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from almanach.core.controllers import base_controller
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from almanach.core import exception
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from almanach.core import model
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LOG = log.getLogger(__name__)
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class InstanceController(base_controller.BaseController):
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def __init__(self, config, database_adapter):
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self.database_adapter = database_adapter
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self.metadata_whitelist = config.resources.device_metadata_whitelist
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def create_instance(self, instance_id, tenant_id, create_date, flavor, os_type, distro, version, name, metadata):
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create_date = self._validate_and_parse_date(create_date)
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LOG.info("instance %s created in project %s (flavor %s; distro %s %s %s) on %s",
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instance_id, tenant_id, flavor, os_type, distro, version, create_date)
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if self._fresher_entity_exists(instance_id, create_date):
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LOG.warning("instance %s already exists with a more recent entry", instance_id)
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return
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filtered_metadata = self._filter_metadata_with_whitelist(metadata)
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entity = model.Instance(instance_id, tenant_id, create_date, None, flavor,
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{"os_type": os_type, "distro": distro,
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"version": version},
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create_date, name, filtered_metadata)
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self.database_adapter.insert_entity(entity)
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def delete_instance(self, instance_id, delete_date):
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if not self.database_adapter.has_active_entity(instance_id):
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raise exception.EntityNotFoundException(
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"InstanceId: {0} Not Found".format(instance_id))
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delete_date = self._validate_and_parse_date(delete_date)
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LOG.info("instance %s deleted on %s", instance_id, delete_date)
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self.database_adapter.close_active_entity(instance_id, delete_date)
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def resize_instance(self, instance_id, flavor, resize_date):
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resize_date = self._validate_and_parse_date(resize_date)
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LOG.info("instance %s resized to flavor %s on %s", instance_id, flavor, resize_date)
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try:
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instance = self.database_adapter.get_active_entity(instance_id)
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if flavor != instance.flavor:
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self.database_adapter.close_active_entity(instance_id, resize_date)
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instance.flavor = flavor
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instance.start = resize_date
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instance.end = None
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instance.last_event = resize_date
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self.database_adapter.insert_entity(instance)
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except exception.EntityNotFoundException as e:
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LOG.error("Trying to resize an instance with id '%s' not in the database yet.", instance_id)
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raise e
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def rebuild_instance(self, instance_id, distro, version, os_type, rebuild_date):
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rebuild_date = self._validate_and_parse_date(rebuild_date)
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instance = self.database_adapter.get_active_entity(instance_id)
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LOG.info("instance %s rebuilded in project %s to os %s %s %s on %s",
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instance_id, instance.project_id, os_type, distro, version, rebuild_date)
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if instance.os.distro != distro or instance.os.version != version:
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self.database_adapter.close_active_entity(instance_id, rebuild_date)
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instance.os.distro = distro
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instance.os.version = version
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instance.os.os_type = os_type
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instance.start = rebuild_date
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instance.end = None
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instance.last_event = rebuild_date
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self.database_adapter.insert_entity(instance)
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def list_instances(self, project_id, start, end):
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return self.database_adapter.get_all_entities_by_project(project_id, start, end, model.Instance.TYPE)
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def _filter_metadata_with_whitelist(self, metadata):
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return {key: value for key, value in metadata.items() if key in self.metadata_whitelist}
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