12dc6f206c
Allow get_attr on OS::Heat::AutoScalingGroup to return a list of
corresponding attributes from each of the base resources. For example,
{'get_attr': ['my_asg', 'outputs_list', 'networks', '<network_name>', 0]}
will return a list of the first IP address assigned to each server in the
group. This is modelled on similar functionality in the
OS::Heat::ResourceGroup resource. Similarly:
{'get_attr': ['my_asg', 'outputs', 'networks', '<network_name>', 0]}
returns a mapping from resource names to the corresponding IP addresses.
Change-Id: Ib9e830e0c54602ac456d64179e1df30f0778906d
Closes-bug: #1356544
153 lines
4.9 KiB
Python
153 lines
4.9 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.engine import attributes
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from heat.engine import resource
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from heat.engine import signal_responder
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from heat.engine import stack_user
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from heat.openstack.common.gettextutils import _
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from heat.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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class GenericResource(resource.Resource):
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'''
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Dummy resource for use in tests
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'''
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properties_schema = {}
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attributes_schema = {'foo': attributes.Schema('A generic attribute'),
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'Foo': attributes.Schema('Another generic attribute')}
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def handle_create(self):
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LOG.warning(_('Creating generic resource (Type "%s")') %
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self.type())
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def handle_update(self, json_snippet, tmpl_diff, prop_diff):
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LOG.warning(_('Updating generic resource (Type "%s")') %
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self.type())
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def handle_delete(self):
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LOG.warning(_('Deleting generic resource (Type "%s")') %
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self.type())
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def _resolve_attribute(self, name):
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return self.name
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def handle_suspend(self):
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LOG.warning(_('Suspending generic resource (Type "%s")') %
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self.type())
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def handle_resume(self):
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LOG.warning(_('Resuming generic resource (Type "%s")') %
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self.type())
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class ResWithComplexPropsAndAttrs(GenericResource):
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properties_schema = {'a_string': {'Type': 'String'},
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'a_list': {'Type': 'List'},
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'a_map': {'Type': 'Map'}}
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attributes_schema = {'list': attributes.Schema('A list'),
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'map': attributes.Schema('A map'),
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'string': attributes.Schema('A string')}
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def _resolve_attribute(self, name):
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try:
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return self.properties["a_%s" % name]
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except KeyError:
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return None
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class ResourceWithProps(GenericResource):
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properties_schema = {'Foo': {'Type': 'String'}}
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class ResourceWithPropsAndAttrs(ResourceWithProps):
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attributes_schema = {'Bar': attributes.Schema('Something.')}
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class ResourceWithResourceID(GenericResource):
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properties_schema = {'ID': {'Type': 'String'}}
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def handle_create(self):
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super(ResourceWithResourceID, self).handle_create()
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self.resource_id_set(self.properties.get('ID'))
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def handle_delete(self):
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self.mox_resource_id(self.resource_id)
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def mox_resource_id(self, resource_id):
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pass
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class ResourceWithComplexAttributes(GenericResource):
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attributes_schema = {
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'list': attributes.Schema('A list'),
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'flat_dict': attributes.Schema('A flat dictionary'),
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'nested_dict': attributes.Schema('A nested dictionary'),
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'none': attributes.Schema('A None')
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}
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list = ['foo', 'bar']
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flat_dict = {'key1': 'val1', 'key2': 'val2', 'key3': 'val3'}
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nested_dict = {'list': [1, 2, 3],
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'string': 'abc',
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'dict': {'a': 1, 'b': 2, 'c': 3}}
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def _resolve_attribute(self, name):
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if name == 'list':
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return self.list
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if name == 'flat_dict':
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return self.flat_dict
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if name == 'nested_dict':
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return self.nested_dict
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if name == 'none':
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return None
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class ResourceWithRequiredProps(GenericResource):
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properties_schema = {'Foo': {'Type': 'String',
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'Required': True}}
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class SignalResource(signal_responder.SignalResponder):
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properties_schema = {}
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attributes_schema = {'AlarmUrl': attributes.Schema('Get a signed webhook')}
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def handle_create(self):
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super(SignalResource, self).handle_create()
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self.resource_id_set(self._get_user_id())
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def handle_signal(self, details=None):
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if self.action in (self.SUSPEND, self.DELETE):
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msg = _('Cannot signal resource during %s') % self.action
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raise Exception(msg)
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LOG.warning(_('Signaled resource (Type "%(type)s") %(details)s')
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% {'type': self.type(), 'details': details})
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def _resolve_attribute(self, name):
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if name == 'AlarmUrl' and self.resource_id is not None:
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return unicode(self._get_signed_url())
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class StackUserResource(stack_user.StackUser):
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properties_schema = {}
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attributes_schema = {}
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def handle_create(self):
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super(StackUserResource, self).handle_create()
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self.resource_id_set(self._get_user_id())
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