135 lines
4.5 KiB
Python
135 lines
4.5 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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import six
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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 resource
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class NeutronResource(resource.Resource):
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default_client_name = 'neutron'
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# Subclasses provide a list of properties which, although
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# update_allowed in the schema, should be excluded from the
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# call to neutron, because they are handled in _needs_update
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update_exclude_properties = []
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def validate(self):
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"""Validate any of the provided params."""
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res = super(NeutronResource, self).validate()
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if res:
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return res
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return self.validate_properties(self.properties)
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@staticmethod
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def validate_properties(properties):
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"""Validate properties for the resource.
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Validates to ensure nothing in value_specs overwrites any key that
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exists in the schema.
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Also ensures that shared and tenant_id is not specified
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in value_specs.
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"""
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if 'value_specs' in six.iterkeys(properties):
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vs = properties.get('value_specs')
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banned_keys = set(['shared', 'tenant_id']).union(
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six.iterkeys(properties))
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for k in banned_keys.intersection(six.iterkeys(vs)):
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return '%s not allowed in value_specs' % k
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@staticmethod
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def prepare_properties(properties, name):
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"""Prepares the property values for correct Neutron create call.
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Prepares the property values so that they can be passed directly to
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the Neutron create call.
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Removes None values and value_specs, merges value_specs with the main
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values.
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"""
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props = dict((k, v) for k, v in properties.items()
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if v is not None)
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if 'name' in six.iterkeys(properties):
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props.setdefault('name', name)
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if 'value_specs' in props:
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NeutronResource.merge_value_specs(props)
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return props
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@staticmethod
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def merge_value_specs(props):
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value_spec_props = props.pop('value_specs')
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props.update(value_spec_props)
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def prepare_update_properties(self, definition):
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"""Prepares the property values for correct Neutron update call.
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Prepares the property values so that they can be passed directly to
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the Neutron update call.
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Removes any properties which are not update_allowed, then processes
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as for prepare_properties.
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"""
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p = definition.properties(self.properties_schema, self.context)
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update_props = dict((k, v) for k, v in p.items()
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if p.props.get(k).schema.update_allowed and
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k not in self.update_exclude_properties)
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props = self.prepare_properties(
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update_props,
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self.physical_resource_name())
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return props
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@staticmethod
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def is_built(attributes):
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status = attributes['status']
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if status == 'BUILD':
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return False
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if status in ('ACTIVE', 'DOWN'):
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return True
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elif status == 'ERROR':
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raise exception.ResourceInError(
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resource_status=status)
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else:
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raise exception.ResourceUnknownStatus(
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resource_status=status,
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result=_('Resource is not built'))
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def _resolve_attribute(self, name):
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attributes = self._show_resource()
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return attributes[name]
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def get_reference_id(self):
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return six.text_type(self.resource_id)
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def _not_found_in_call(self, func, *args, **kwargs):
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try:
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func(*args, **kwargs)
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except Exception as ex:
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self.client_plugin().ignore_not_found(ex)
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return True
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else:
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return False
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def check_delete_complete(self, check):
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# NOTE(pshchelo): when longer check is needed, check is returned
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# as True, otherwise None is implicitly returned as check
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if not check:
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return True
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return self._not_found_in_call(self._show_resource)
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