91 lines
3.0 KiB
Python
91 lines
3.0 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 json
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import os
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import shutil
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import time
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from muranoagent import bunch
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from muranoagent.common import config
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CONF = config.CONF
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class ExecutionPlanQueue(object):
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plan_filename = 'plan.json'
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result_filename = 'result.json'
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def __init__(self):
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self._plans_folder = os.path.join(CONF.storage, 'plans')
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if not os.path.exists(self._plans_folder):
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os.makedirs(self._plans_folder)
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def put_execution_plan(self, execution_plan):
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timestamp = str(int(time.time() * 10000))
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# execution_plan['_timestamp'] = timestamp
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folder_path = os.path.join(self._plans_folder, timestamp)
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os.mkdir(folder_path)
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file_path = os.path.join(
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folder_path, ExecutionPlanQueue.plan_filename)
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with open(file_path, 'w') as out_file:
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out_file.write(json.dumps(execution_plan))
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def _get_first_timestamp(self, filename):
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def predicate(folder):
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path = os.path.join(self._plans_folder, folder, filename)
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return os.path.exists(path)
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timestamps = [
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name for name in os.listdir(self._plans_folder)
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if predicate(name)
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]
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timestamps.sort()
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return None if len(timestamps) == 0 else timestamps[0]
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def _get_first_file(self, filename):
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timestamp = self._get_first_timestamp(filename)
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if not timestamp:
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return None, None
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path = os.path.join(self._plans_folder, timestamp, filename)
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with open(path) as json_file:
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return json.loads(json_file.read()), timestamp
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def get_execution_plan(self):
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ep, timestamp = self._get_first_file(ExecutionPlanQueue.plan_filename)
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if ep is None:
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return None
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ep['_timestamp'] = timestamp
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return bunch.Bunch(ep)
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def put_execution_result(self, result, execution_plan):
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timestamp = execution_plan['_timestamp']
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if 'ReplyTo' in execution_plan:
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result['ReplyTo'] = execution_plan.get('ReplyTo')
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path = os.path.join(
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self._plans_folder, timestamp,
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ExecutionPlanQueue.result_filename)
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with open(path, 'w') as out_file:
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out_file.write(json.dumps(result))
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def remove(self, timestamp):
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path = os.path.join(self._plans_folder, timestamp)
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shutil.rmtree(path)
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def get_execution_plan_result(self):
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return self._get_first_file(
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ExecutionPlanQueue.result_filename)
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