66 lines
1.9 KiB
Python
66 lines
1.9 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 heat.openstack.common import log as logging
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logger = logging.getLogger(__name__)
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def _register_resources(type_pairs):
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from heat.engine import resource
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for res_name, res_class in type_pairs:
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resource._register_class(res_name, res_class)
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def _get_module_resources(module):
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if callable(getattr(module, 'resource_mapping', None)):
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try:
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return module.resource_mapping().iteritems()
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except Exception as ex:
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logger.error(_('Failed to load resources from %s') % str(module))
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else:
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return []
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def _register_modules(modules):
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import itertools
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resource_lists = (_get_module_resources(m) for m in modules)
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_register_resources(itertools.chain.from_iterable(resource_lists))
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_initialized = False
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def initialise():
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global _initialized
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if _initialized:
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return
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import sys
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from heat.common import config
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from heat.common import plugin_loader
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config.register_engine_opts()
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_register_modules(plugin_loader.load_modules(sys.modules[__name__]))
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from oslo.config import cfg
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plugin_pkg = plugin_loader.create_subpackage(cfg.CONF.plugin_dirs,
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'heat.engine')
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_register_modules(plugin_loader.load_modules(plugin_pkg, True))
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_initialized = True
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