150aed4910
Adds support for package type classes in plugins. As a result additional package types may be introduced without changes to Murano source code Implements-Blueprint: pluggable-package-types Change-Id: I61c400b7be4c8836825c00ce7ca7d1b8501d0bd4
57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
# Copyright (c) 2014 Mirantis, Inc.
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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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import os
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from murano.packages import exceptions
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from murano.packages import package_base
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class MuranoPlPackage(package_base.PackageBase):
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def __init__(self, format_name, runtime_version, source_directory,
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manifest):
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super(MuranoPlPackage, self).__init__(
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format_name, runtime_version, source_directory, manifest)
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self._classes = manifest.get('Classes')
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self._ui_file = manifest.get('UI', 'ui.yaml')
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self._requirements = manifest.get('Require') or {}
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@property
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def classes(self):
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return self._classes.keys()
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@property
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def ui(self):
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full_path = os.path.join(self._source_directory, 'UI', self._ui_file)
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if not os.path.isfile(full_path):
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return None
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with open(full_path) as stream:
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return stream.read()
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@property
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def requirements(self):
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return self._requirements
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def get_class(self, name):
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if name not in self._classes:
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raise exceptions.PackageClassLoadError(
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name, 'Class not defined in package ' + self.full_name)
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def_file = self._classes[name]
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full_path = os.path.join(self._source_directory, 'Classes', def_file)
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if not os.path.isfile(full_path):
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raise exceptions.PackageClassLoadError(
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name, 'File with class definition not found')
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with open(full_path) as stream:
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return stream.read(), full_path
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