OpenStack Orchestration (Heat)
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#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from heat.common.i18n import _
from heat.engine import attributes
from heat.engine import properties
from heat.engine import resource
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
class TestResource(resource.Resource):
PROPERTIES = (
A, B, C, CA, rA, rB
) = (
'a', 'b', 'c', 'ca', '!a', '!b'
)
ATTRIBUTES = (
A, rA
) = (
'a', '!a'
)
properties_schema = {
A: properties.Schema(
properties.Schema.STRING,
_('Fake property a.'),
default='a',
update_allowed=True
),
B: properties.Schema(
properties.Schema.STRING,
_('Fake property b.'),
default='b',
update_allowed=True
),
C: properties.Schema(
properties.Schema.STRING,
_('Fake property c.'),
update_allowed=True,
default='c'
),
CA: properties.Schema(
properties.Schema.STRING,
_('Fake property ca.'),
update_allowed=True,
default='ca'
),
rA: properties.Schema(
properties.Schema.STRING,
_('Fake property !a.'),
update_allowed=True,
default='!a'
),
rB: properties.Schema(
properties.Schema.STRING,
_('Fake property !c.'),
update_allowed=True,
default='!b'
),
}
attributes_schema = {
A: attributes.Schema(
_('Fake attribute a.'),
cache_mode=attributes.Schema.CACHE_NONE
),
rA: attributes.Schema(
_('Fake attribute !a.'),
cache_mode=attributes.Schema.CACHE_NONE
),
}
def handle_create(self):
LOG.info('Creating resource %s with properties %s',
self.name, dict(self.properties))
for prop in self.properties.props.keys():
self.data_set(prop, self.properties.get(prop), redact=False)
self.resource_id_set(self.physical_resource_name())
def handle_update(self, json_snippet=None, tmpl_diff=None, prop_diff=None):
LOG.info('Updating resource %s with prop_diff %s',
self.name, prop_diff)
for prop in prop_diff:
if '!' in prop:
raise resource.UpdateReplace(self.name)
self.data_set(prop, prop_diff.get(prop), redact=False)
def _resolve_attribute(self, name):
if name in self.attributes:
return self.data().get(name)