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path: root/tosca2heat/heat-translator/translator/hot/tosca/tosca_policies_antilocate.py
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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 translator.hot.syntax.hot_resource import HotResource

# Name used to dynamically load appropriate map class.
TARGET_CLASS_NAME = 'ToscaPoliciesAntilocate'


class ToscaPoliciesAntilocate(HotResource):
    '''Translate TOSCA policy type tosca.poicies.Placement.Antilocate'''

    toscatype = 'tosca.policies.Placement.Antilocate'

    def __init__(self, policy):
        super(ToscaPoliciesAntilocate, self).__init__(
            policy, type='OS::Nova::ServerGroup')
        self.policy = policy

    def handle_properties(self, resources):
        self.properties["name"] = self.name
        self.properties["policies"] = ["anti-affinity"]
        for resource in resources:
            if resource.name in self.policy.targets:
                resource.properties["scheduler_hints"] = {
                    "group": {"get_resource": self.name}}