127 lines
4.3 KiB
Python
127 lines
4.3 KiB
Python
#
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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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from heat.common.i18n import _
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from heat.engine import properties
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from heat.engine import resource
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from heat.engine import support
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class CinderVolumeType(resource.Resource):
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"""
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A resource for creating cinder volume types.
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Note that default cinder security policy usage of this resource
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is limited to being used by administrators only.
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Here is an example cinder volume_type and cinder volume resources::
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heat_template_version: 2013-05-23
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description: Heat Cinder creation with volume_type example
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resources:
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my_volume_type:
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type: OS::Cinder::VolumeType
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properties:
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name: volumeBackend
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metadata: {volume_backend_name: lvmdriver}
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my_volume:
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type: OS::Cinder::Volume
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properties:
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size: 1
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volume_type: {get_resource: my_volume_type}
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"""
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support_status = support.SupportStatus(version='2015.1')
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default_client_name = 'cinder'
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PROPERTIES = (
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NAME, METADATA, IS_PUBLIC, DESCRIPTION,
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) = (
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'name', 'metadata', 'is_public', 'description',
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)
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properties_schema = {
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NAME: properties.Schema(
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properties.Schema.STRING,
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_('Name of the volume type.'),
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required=True,
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update_allowed=True,
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),
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METADATA: properties.Schema(
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properties.Schema.MAP,
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_('The extra specs key and value pairs of the volume type.'),
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update_allowed=True
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),
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IS_PUBLIC: properties.Schema(
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properties.Schema.BOOLEAN,
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_('Whether the volume type is accessible to the public.'),
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default=True,
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support_status=support.SupportStatus(version='5.0.0'),
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),
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DESCRIPTION: properties.Schema(
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properties.Schema.STRING,
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_('Description of the volume type.'),
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update_allowed=True,
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support_status=support.SupportStatus(version='5.0.0'),
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),
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}
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def handle_create(self):
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args = {
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'name': self.properties[self.NAME],
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'is_public': self.properties[self.IS_PUBLIC],
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'description': self.properties[self.DESCRIPTION]
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}
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volume_type = self.cinder().volume_types.create(**args)
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self.resource_id_set(volume_type.id)
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vtype_metadata = self.properties[self.METADATA]
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if vtype_metadata:
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volume_type.set_keys(vtype_metadata)
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def handle_update(self, json_snippet, tmpl_diff, prop_diff):
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"""Update the name, description and metadata for volume type."""
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update_args = {}
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# Update the name, description of cinder volume type
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if self.DESCRIPTION in prop_diff:
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update_args['description'] = prop_diff.get(self.DESCRIPTION)
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if self.NAME in prop_diff:
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update_args['name'] = prop_diff.get(self.NAME)
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if update_args:
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self.cinder().volume_types.update(self.resource_id, **update_args)
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# Update the key-value pairs of cinder volume type.
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if self.METADATA in prop_diff:
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volume_type = self.cinder().volume_types.get(self.resource_id)
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old_keys = volume_type.get_keys()
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volume_type.unset_keys(old_keys)
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new_keys = prop_diff.get(self.METADATA)
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if new_keys is not None:
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volume_type.set_keys(new_keys)
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def handle_delete(self):
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if self.resource_id is None:
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return
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try:
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self.cinder().volume_types.delete(self.resource_id)
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except Exception as e:
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self.client_plugin().ignore_not_found(e)
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def resource_mapping():
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return {
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'OS::Cinder::VolumeType': CinderVolumeType
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}
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