82 lines
2.4 KiB
Python
82 lines
2.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010-2012 OpenStack Foundation
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# All Rights Reserved.
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#
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# 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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"""Model classes that form the core of instance flavor functionality."""
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from novaclient import exceptions as nova_exceptions
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from trove.common import exception
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from trove.common.models import NovaRemoteModelBase
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from trove.common.remote import create_nova_client
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class Flavor(object):
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_data_fields = ['id', 'links', 'name', 'ram', 'vcpus', 'ephemeral']
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def __init__(self, flavor=None, context=None, flavor_id=None):
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if flavor:
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self.flavor = flavor
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return
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if flavor_id and context:
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try:
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client = create_nova_client(context)
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self.flavor = client.flavors.get(flavor_id)
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except nova_exceptions.NotFound as e:
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raise exception.NotFound(uuid=flavor_id)
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except nova_exceptions.ClientException as e:
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raise exception.TroveError(str(e))
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return
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msg = ("Flavor is not defined, and"
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" context and flavor_id were not specified.")
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raise exception.InvalidModelError(errors=msg)
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@property
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def id(self):
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return self.flavor.id
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@property
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def name(self):
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return self.flavor.name
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@property
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def ram(self):
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return self.flavor.ram
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@property
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def vcpus(self):
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return self.flavor.vcpus
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@property
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def links(self):
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return self.flavor.links
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@property
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def ephemeral(self):
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return self.flavor.ephemeral
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class Flavors(NovaRemoteModelBase):
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def __init__(self, context):
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nova_flavors = create_nova_client(context).flavors.list()
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self.flavors = [Flavor(flavor=item) for item in nova_flavors]
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def __iter__(self):
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for item in self.flavors:
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yield item
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