72 lines
2.3 KiB
Python
72 lines
2.3 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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import base64
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import shutil
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from config import CONF
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class FilesManager(object):
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def __init__(self, execution_pan):
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self._fetched_files = {}
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self._files = execution_pan.get('Files') or {}
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self._cache_folder = os.path.join(
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CONF.storage, 'files', execution_pan.ID)
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if os.path.exists(self._cache_folder):
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self.clear()
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os.makedirs(self._cache_folder)
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def put_file(self, file_id, script):
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cache_path = self._fetch_file(file_id)
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script_folder = os.path.join(self._cache_folder, script)
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if not os.path.exists(script_folder):
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os.mkdir(script_folder)
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filedef = self._files[file_id]
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filename = filedef['Name']
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file_folder = os.path.join(script_folder, os.path.dirname(filename))
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if not os.path.exists(file_folder):
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os.makedirs(file_folder)
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script_path = os.path.join(script_folder, filename)
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os.symlink(cache_path, script_path)
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return script_path
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def _fetch_file(self, file_id):
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if file_id in self._fetched_files:
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return self._fetched_files[file_id]
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filedef = self._files[file_id]
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out_path = os.path.join(self._cache_folder, file_id)
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body_type = filedef.get('BodyType', 'Text')
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with open(out_path, 'w') as out_file:
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if body_type == 'Text':
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out_file.write(filedef['Body'])
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elif body_type == 'Base64':
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out_file.write(base64.b64decode(filedef['Body']))
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self._fetched_files[file_id] = out_path
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return out_path
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def clear(self):
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os.chdir(os.path.dirname(self._cache_folder))
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shutil.rmtree(self._cache_folder, ignore_errors=True)
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shutil.rmtree(self._cache_folder, ignore_errors=True)
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