76 lines
2.7 KiB
Python
76 lines
2.7 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from muranoagent import executors as exe
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class FunctionRunner(object):
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def __init__(self, name, script_runner):
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self._name = name
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self._script_executor = script_runner
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def __call__(self, *args, **kwargs):
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return self._script_executor.execute_function(
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self._name, *args, **kwargs)
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class ScriptRunner(object):
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def __init__(self, name, script_info, files_manager):
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self._name = name
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self._executor = self._get_executor(script_info['Type'], name,
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script_info['EntryPoint'])
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self._script_info = script_info
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self._script_loaded = False
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self._files_manager = files_manager
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def __call__(self, *args, **kwargs):
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return self.execute_function(None, *args, **kwargs)
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def _get_executor(self, script_type, script_name, entry_point):
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create_executor = exe.Executors.create_executor
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if script_type != 'Application':
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executor = create_executor(script_type, entry_point)
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else:
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executor = create_executor(script_type, script_name)
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if executor is None:
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raise ValueError('The application type in {0} is not a valid '
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'executor {1}'.format(script_name, script_type))
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return executor
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def execute_function(self, name, *args, **kwargs):
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self._load()
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return self._executor.run(name, *args, **kwargs)
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def __getattr__(self, item):
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return FunctionRunner(item, self)
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def _load(self):
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if not self._script_loaded:
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self._executor.load(
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self._prepare_files(),
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self._script_info.get("Options") or {})
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self._script_loaded = True
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def _prepare_files(self):
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for file_id in self._script_info.get('Files', []):
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self._files_manager.put_file(file_id, self._name)
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if self._script_info["Type"] == 'Application':
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return self._files_manager.put_file(
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self._script_info["EntryPoint"], self._name)
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return os.path.join(self._files_manager._cache_folder, self._name)
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