191 lines
6.0 KiB
Python
191 lines
6.0 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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import abc
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import six
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from almanach.core import exception
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@six.add_metaclass(abc.ABCMeta)
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class Entity(object):
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def __init__(self, entity_id, project_id, start, end, last_event, name, entity_type):
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self.entity_id = entity_id
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self.project_id = project_id
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self.start = start
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self.end = end
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self.last_event = last_event
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self.name = name
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self.entity_type = entity_type
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def as_dict(self):
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return dict(
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entity_id=self.entity_id,
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project_id=self.project_id,
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start=self.start,
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end=self.end,
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last_event=self.last_event,
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name=self.name,
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entity_type=self.entity_type,
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)
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@staticmethod
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def from_dict(d):
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raise NotImplementedError
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def __eq__(self, other):
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return (other.entity_id == self.entity_id and
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other.project_id == self.project_id and
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other.start == self.start and
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other.end == self.end and
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other.last_event == self.last_event and
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other.name == self.name and
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other.entity_type == self.entity_type)
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def __ne__(self, other):
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return not self.__eq__(other)
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class Instance(Entity):
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TYPE = 'instance'
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def __init__(self, entity_id, project_id, start, end, flavor, last_event, name, image_meta=None, metadata=None):
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super(Instance, self).__init__(entity_id, project_id, start, end, last_event, name, self.TYPE)
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self.flavor = flavor
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self.metadata = metadata or dict()
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self.image_meta = image_meta or dict()
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# TODO(fguillot): This attribute still used by the legacy API,
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# that should be removed when the new API v2 will be implemented
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self.os = self.image_meta
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def __eq__(self, other):
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return (super(Instance, self).__eq__(other) and
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other.flavor == self.flavor and
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other.image_meta == self.image_meta and
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other.metadata == self.metadata)
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def as_dict(self):
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d = super(Instance, self).as_dict()
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d['flavor'] = self.flavor
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d['metadata'] = self.metadata
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d['image_meta'] = self.image_meta
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# NOTE(fguillot): we keep this key for backward compatibility
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d['os'] = self.image_meta
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return d
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@staticmethod
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def from_dict(d):
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return Instance(
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entity_id=d.get('entity_id'),
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project_id=d.get('project_id'),
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start=d.get('start'),
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end=d.get('end'),
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last_event=d.get('last_event'),
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name=d.get('name'),
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flavor=d.get('flavor'),
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image_meta=d.get('os') or d.get('image_meta'),
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metadata=Instance._unserialize_metadata(d),
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)
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@staticmethod
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def _unserialize_metadata(d):
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metadata = d.get('metadata')
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if metadata:
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tmp = dict()
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for key, value in metadata.items():
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if '^' in key:
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key = key.replace('^', '.')
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tmp[key] = value
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metadata = tmp
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return metadata
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def _serialize_metadata(self):
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tmp = dict()
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for key, value in self.metadata.items():
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if '.' in key:
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key = key.replace('.', '^')
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tmp[key] = value
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return tmp
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class Volume(Entity):
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TYPE = 'volume'
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def __init__(self, entity_id, project_id, start, end, volume_type, size, last_event, name, attached_to=None):
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super(Volume, self).__init__(entity_id, project_id, start, end, last_event, name, self.TYPE)
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self.volume_type = volume_type
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self.size = size
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self.attached_to = attached_to or []
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def __eq__(self, other):
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return (super(Volume, self).__eq__(other) and
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other.volume_type == self.volume_type and
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other.size == self.size and
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other.attached_to == self.attached_to)
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def as_dict(self):
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d = super(Volume, self).as_dict()
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d['volume_type'] = self.volume_type
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d['size'] = self.size
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d['attached_to'] = self.attached_to
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return d
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@staticmethod
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def from_dict(d):
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return Volume(
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entity_id=d.get('entity_id'),
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project_id=d.get('project_id'),
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start=d.get('start'),
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end=d.get('end'),
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last_event=d.get('last_event'),
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name=d.get('name'),
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volume_type=d.get('volume_type'),
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size=d.get('size'),
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attached_to=d.get('attached_to'),
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)
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class VolumeType(object):
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def __init__(self, volume_type_id, volume_type_name):
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self.volume_type_id = volume_type_id
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self.volume_type_name = volume_type_name
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def __eq__(self, other):
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return other.__dict__ == self.__dict__
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def as_dict(self):
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return dict(
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volume_type_id=self.volume_type_id,
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volume_type_name=self.volume_type_name,
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)
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@staticmethod
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def from_dict(d):
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return VolumeType(volume_type_id=d['volume_type_id'],
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volume_type_name=d['volume_type_name'])
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def get_entity_from_dict(d):
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entity_type = d.get('entity_type')
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if entity_type == Instance.TYPE:
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return Instance.from_dict(d)
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elif entity_type == Volume.TYPE:
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return Volume.from_dict(d)
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raise exception.EntityTypeNotSupportedException(
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'Unsupported entity type: "{}"'.format(entity_type))
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