117 lines
3.7 KiB
Python
117 lines
3.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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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from neutronclient.common.exceptions import NeutronClientException
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from heat.common import exception
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from heat.engine import resource
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from heat.openstack.common import log as logging
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logger = logging.getLogger(__name__)
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class NeutronResource(resource.Resource):
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def validate(self):
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'''
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Validate any of the provided params
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'''
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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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'''
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Validates to ensure nothing in value_specs overwrites
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any key that 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 properties.keys():
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vs = properties.get('value_specs')
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banned_keys = set(['shared', 'tenant_id']).union(
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properties.keys())
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for k in banned_keys.intersection(vs.keys()):
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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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'''
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Prepares the property values so that they can be passed directly to
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the Neutron 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 and k != 'value_specs')
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if 'name' in properties.keys():
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props.setdefault('name', name)
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if 'value_specs' in properties.keys():
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props.update(properties.get('value_specs'))
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return props
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@staticmethod
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def handle_get_attributes(name, key, attributes):
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'''
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Support method for responding to FnGetAtt
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'''
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if key == 'show':
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return attributes
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if key in attributes.keys():
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return attributes[key]
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raise exception.InvalidTemplateAttribute(resource=name, key=key)
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@staticmethod
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def is_built(attributes):
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if attributes['status'] == 'BUILD':
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return False
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if attributes['status'] in ('ACTIVE', 'DOWN'):
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return True
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else:
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raise exception.Error('%s resource[%s] status[%s]' %
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('neutron reported unexpected',
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attributes['name'], attributes['status']))
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def _resolve_attribute(self, name):
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try:
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attributes = self._show_resource()
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except NeutronClientException as ex:
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logger.warn("failed to fetch resource attributes: %s" % str(ex))
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return None
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return self.handle_get_attributes(self.name, name, attributes)
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def _confirm_delete(self):
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while True:
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try:
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yield
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self._show_resource()
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except NeutronClientException as ex:
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if ex.status_code != 404:
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raise ex
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return
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def FnGetRefId(self):
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return unicode(self.resource_id)
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