13cd27a955
Make private flavor tenant access works. Change-Id: Ibcb82d3518320534e9e0397e9d0651c3b602d439 Closes-Bug: #1719805
237 lines
8.7 KiB
Python
237 lines
8.7 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 oslo_log import log as logging
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from heat.common import exception
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from heat.common.i18n import _
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from heat.engine import attributes
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from heat.engine import constraints
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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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from heat.engine import translation
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LOG = logging.getLogger(__name__)
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class NovaFlavor(resource.Resource):
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"""A resource for creating OpenStack virtual hardware templates.
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Due to default nova security policy usage of this resource is limited to
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being used by administrators only. The rights may also be delegated to
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other users by redefining the access controls on the nova-api server.
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Note that the current implementation of the Nova Flavor resource does not
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allow specifying the name and flavorid properties for the resource.
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This is done to avoid potential naming collision upon flavor creation as
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all flavor have a global scope.
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"""
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support_status = support.SupportStatus(version='2014.2')
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default_client_name = 'nova'
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required_service_extension = 'os-flavor-manage'
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entity = 'flavors'
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PROPERTIES = (
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TENANTS, ID, NAME, RAM, VCPUS, DISK, SWAP,
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EPHEMERAL, RXTX_FACTOR, EXTRA_SPECS, IS_PUBLIC
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) = (
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'tenants', 'flavorid', 'name', 'ram', 'vcpus', 'disk', 'swap',
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'ephemeral', 'rxtx_factor', 'extra_specs', 'is_public',
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)
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ATTRIBUTES = (
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IS_PUBLIC_ATTR, EXTRA_SPECS_ATTR
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) = (
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'is_public', 'extra_specs'
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)
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properties_schema = {
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TENANTS: properties.Schema(
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properties.Schema.LIST,
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_('List of tenants.'),
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update_allowed=True,
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default=[],
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schema=properties.Schema(
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properties.Schema.STRING,
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constraints=[constraints.CustomConstraint('keystone.project')]
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),
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support_status=support.SupportStatus(version='8.0.0')
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),
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ID: properties.Schema(
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properties.Schema.STRING,
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_('Unique ID of the flavor. If not specified, '
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'an UUID will be auto generated and used.'),
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support_status=support.SupportStatus(version='7.0.0')
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),
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NAME: properties.Schema(
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properties.Schema.STRING,
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_('Name of the flavor.'),
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support_status=support.SupportStatus(version='7.0.0'),
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),
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RAM: properties.Schema(
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properties.Schema.INTEGER,
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_('Memory in MB for the flavor.'),
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required=True
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),
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VCPUS: properties.Schema(
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properties.Schema.INTEGER,
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_('Number of VCPUs for the flavor.'),
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required=True
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),
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DISK: properties.Schema(
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properties.Schema.INTEGER,
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_('Size of local disk in GB. The "0" size is a special case that '
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'uses the native base image size as the size of the ephemeral '
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'root volume.'),
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default=0
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),
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SWAP: properties.Schema(
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properties.Schema.INTEGER,
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_('Swap space in MB.'),
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default=0
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),
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EPHEMERAL: properties.Schema(
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properties.Schema.INTEGER,
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_('Size of a secondary ephemeral data disk in GB.'),
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default=0
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),
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RXTX_FACTOR: properties.Schema(
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properties.Schema.NUMBER,
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_('RX/TX factor.'),
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default=1.0
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),
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EXTRA_SPECS: properties.Schema(
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properties.Schema.MAP,
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_('Key/Value pairs to extend the capabilities of the flavor.'),
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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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_('Scope of flavor accessibility. Public or private. '
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'Default value is True, means public, shared '
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'across all projects.'),
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default=True,
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support_status=support.SupportStatus(version='6.0.0'),
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),
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}
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attributes_schema = {
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IS_PUBLIC_ATTR: attributes.Schema(
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_('Whether the flavor is shared across all projects.'),
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support_status=support.SupportStatus(version='6.0.0'),
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type=attributes.Schema.BOOLEAN
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),
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EXTRA_SPECS_ATTR: attributes.Schema(
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_('Extra specs of the flavor in key-value pairs.'),
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support_status=support.SupportStatus(version='7.0.0'),
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type=attributes.Schema.MAP
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)
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}
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def translation_rules(self, properties):
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return [
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translation.TranslationRule(
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properties,
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translation.TranslationRule.RESOLVE,
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[self.TENANTS],
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client_plugin=self.client_plugin('keystone'),
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finder='get_project_id'
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)
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]
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def handle_create(self):
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args = dict(self.properties)
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if not args['flavorid']:
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args['flavorid'] = 'auto'
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if not args['name']:
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args['name'] = self.physical_resource_name()
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flavor_keys = args.pop(self.EXTRA_SPECS)
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tenants = args.pop(self.TENANTS)
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flavor = self.client().flavors.create(**args)
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self.resource_id_set(flavor.id)
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if flavor_keys:
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flavor.set_keys(flavor_keys)
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if not self.properties[self.IS_PUBLIC]:
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if not tenants:
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LOG.info('Tenant property is recommended '
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'for the private flavors.')
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tenant = self.stack.context.tenant_id
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self.client().flavor_access.add_tenant_access(flavor, tenant)
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else:
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for tenant in tenants:
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# grant access only to the active project(private flavor)
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self.client().flavor_access.add_tenant_access(flavor,
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tenant)
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def handle_update(self, json_snippet, tmpl_diff, prop_diff):
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"""Update nova flavor."""
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if self.EXTRA_SPECS in prop_diff:
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flavor = self.client().flavors.get(self.resource_id)
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old_keys = flavor.get_keys()
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flavor.unset_keys(old_keys)
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new_keys = prop_diff.get(self.EXTRA_SPECS)
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if new_keys is not None:
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flavor.set_keys(new_keys)
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"""Update tenant access list."""
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if self.TENANTS in prop_diff and not self.properties[self.IS_PUBLIC]:
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kwargs = {'flavor': self.resource_id}
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old_tenants = [
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x.tenant_id for x in self.client().flavor_access.list(**kwargs)
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] or []
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new_tenants = prop_diff.get(self.TENANTS) or []
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tenants_to_remove = list(set(old_tenants) - set(new_tenants))
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tenants_to_add = list(set(new_tenants) - set(old_tenants))
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if tenants_to_remove or tenants_to_add:
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flavor = self.client().flavors.get(self.resource_id)
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for _tenant in tenants_to_remove:
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self.client().flavor_access.remove_tenant_access(flavor,
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_tenant)
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for _tenant in tenants_to_add:
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self.client().flavor_access.add_tenant_access(flavor,
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_tenant)
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def _resolve_attribute(self, name):
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if self.resource_id is None:
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return
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flavor = self.client().flavors.get(self.resource_id)
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if name == self.IS_PUBLIC_ATTR:
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return getattr(flavor, name)
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if name == self.EXTRA_SPECS_ATTR:
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return flavor.get_keys()
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def get_live_resource_data(self):
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try:
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flavor = self.client().flavors.get(self.resource_id)
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resource_data = {self.EXTRA_SPECS: flavor.get_keys()}
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except Exception as ex:
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if self.client_plugin().is_not_found(ex):
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raise exception.EntityNotFound(entity='Resource',
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name=self.name)
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raise
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return resource_data
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def parse_live_resource_data(self, resource_properties, resource_data):
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return resource_data
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def resource_mapping():
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return {
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'OS::Nova::Flavor': NovaFlavor
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}
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