| #!/usr/bin/env python |
| |
| ''' |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ''' |
| |
| import os |
| import logging |
| import traceback |
| import sys |
| from shell import getTempFiles |
| |
| logger = logging.getLogger() |
| |
| if 'AGENT_WORK_ROOT' in os.environ: |
| pidfile = os.path.join(os.environ['AGENT_WORK_ROOT'], "infra/run/agent.pid") |
| else: |
| pidfile = None |
| |
| |
| def _clean(): |
| if not pidfile == None: |
| logger.info("Removing pid file") |
| try: |
| os.unlink(pidfile) |
| except Exception as ex: |
| traceback.print_exc() |
| logger.warn("Unable to remove pid file: %s", ex) |
| |
| logger.info("Removing temp files") |
| for f in getTempFiles(): |
| if os.path.exists(f): |
| try: |
| os.unlink(f) |
| except Exception as ex: |
| traceback.print_exc() |
| logger.warn("Unable to remove: %s, %s", f, ex) |
| pass |
| pass |
| pass |
| |
| |
| def stopAgent(): |
| _clean() |
| os._exit(0) |
| pass |
| |
| |
| def restartAgent(): |
| _clean() |
| |
| executable = sys.executable |
| args = sys.argv[:] |
| args.insert(0, executable) |
| |
| logger.info("Restarting self: %s %s", executable, args) |
| |
| os.execvp(executable, args) |
| |
| |