def stop(self):
""" trigger to stop the GC
cannot be undone
should only be called right before shutdown """
LOG.info("Stopping GC")
self.__runGC = False
self.__rejectRequest = True
# dump thread status to json
killStatus = {}
killStatus["httpStatus"] = 500
killStatus["error"] = Errors.THREAD_KILLED_AGENT_RESTART
killStatus["errorMsg"] = "thread killed, agent restart"
data = self.getInfo(killLiveWithStatus=killStatus, withLock=True)
manifestutil.writeJson("agent", ".threadmgr", data)
def stop(self):
""" trigger to stop the GC
cannot be undone
should only be called right before shutdown """
LOG.info("Stopping GC")
self.__runGC = False
self.__rejectRequest = True
# dump thread status to json
killStatus = {}
killStatus['httpStatus'] = 500
killStatus['error'] = Errors.THREAD_KILLED_AGENT_RESTART
killStatus['errorMsg'] = 'thread killed, agent restart'
data = self.getInfo(killLiveWithStatus = killStatus, withLock=True)
manifestutil.writeJson('agent', '.threadmgr', data)
def snapshot(self, killLiveWithStatus=None, withLock=False):
""" take a snapshot of the current threadmap """
data = self.getInfo(killLiveWithStatus, withLock)
manifestutil.writeJson("agent", ".threadmgr", data)
def snapshot(self, killLiveWithStatus = None, withLock = False):
""" take a snapshot of the current threadmap """
data = self.getInfo(killLiveWithStatus, withLock)
manifestutil.writeJson('agent', '.threadmgr', data)
def doRun(self):
""" Main body of the thread """
errorMsg = ""
errorCode = None
symlinkSwitched = False
failed = False
try:
activePath = os.path.join(
ServiceController.manifestPath(self._service), 'active')
oldManifest = None
appGlobal = pylons.config['pylons.app_globals']
# make sure that if the active path exists, it's a link
# if not log that and delete the link
if (os.path.exists(activePath) and not os.name == 'nt'
and not islink(activePath)):
self.__LOG.error('%s is not a link. Attempted to delete' %
activePath)
shutil.rmtree(activePath)
if (os.path.exists(activePath)):
oldManifest = os.path.basename(readlink(activePath))
self.__installManifest(self._service, self._manifest)
self.__deactivateManifest(self._service, oldManifest)
symlinkSwitched = self.__switchSymlink(self._service,
self._manifest)
appGlobal = pylons.config['pylons.app_globals']
if self._service == 'agent':
# START Jeff 09 19 2012: save the timestamp and old manifestPath to .recover: only for agent service.
recoveryInfo = {}
beforeKillTimeHuman = strftime("%Y-%m-%d %H:%M:%S",
localtime())
beforeKillTimeStamp = int(time.time())
recoveryInfo['beforeKillTimeHuman'] = str(beforeKillTimeHuman)
recoveryInfo['beforeKillTimeStamp'] = str(beforeKillTimeStamp)
# make sure there is always quote: even if null. easy for json parsing in startup
if self._manifest:
recoveryInfo['newManifest'] = self._manifest
else:
recoveryInfo['newManifest'] = 'null'
if oldManifest:
recoveryInfo['oldManifest'] = oldManifest
else:
recoveryInfo['oldManifest'] = 'null'
manifestutil.writeJson('agent', '.recovery', recoveryInfo)
# END Jeff 09 19 2012: save the timestamp and .recover files with
# persist threads result before shutting down
if (hasattr(appGlobal, 'threadMgr')
and appGlobal.threadMgr != None):
killStatus = {}
killStatus['httpStatus'] = 500
killStatus['error'] = Errors.THREAD_KILLED_AGENT_RESTART
killStatus['errorMsg'] = 'thread killed, agent restart'
appGlobal.threadMgr.snapshot(killStatus, True)
self.__activateManifest(self._service, self._manifest)
except SystemExit as exc:
failed = True
if (len(exc.args) == 2):
# ok we got {err code, err msg}
errorCode = exc.args[0]
errorMsg = exc.args[1]
raise exc
except AgentException as exc:
failed = True
errorMsg = 'Activate Manifest - Agent Exception - %s' % exc.getMsg(
)
errorCode = exc.getCode()
except Exception as exc:
failed = True
errorMsg = 'Activate Manifest - Unknown error - (%s/%s) - %s - %s' \
% (self._service, self._manifest, str(exc), traceback.format_exc(5))
errorCode = Errors.UNKNOWN_ERROR
finally:
if failed:
if not self._skipCleanupOnFailure():
self.__cleanup(symlinkSwitched, errorMsg, errorCode)
self.__LOG.warning(errorMsg)
self._updateStatus(httpStatus=500,
error=errorCode,
errorMsg=errorMsg)
else:
self._updateProgress(100)
def doRun(self):
""" Main body of the thread """
errorMsg = ""
errorCode = None
symlinkSwitched = False
failed = False
try:
activePath = os.path.join(ServiceController.manifestPath(self._service), 'active')
oldManifest = None
appGlobal = pylons.config['pylons.app_globals']
# make sure that if the active path exists, it's a link
# if not log that and delete the link
if (os.path.exists(activePath) and not os.name == 'nt' and not islink(activePath)):
self.__LOG.error('%s is not a link. Attempted to delete' % activePath)
shutil.rmtree(activePath)
if (os.path.exists(activePath)):
oldManifest = os.path.basename(readlink(activePath))
self.__installManifest(self._service, self._manifest)
self.__deactivateManifest(self._service, oldManifest)
symlinkSwitched = self.__switchSymlink(self._service, self._manifest)
appGlobal = pylons.config['pylons.app_globals']
if self._service == 'agent':
# START Jeff 09 19 2012: save the timestamp and old manifestPath to .recover: only for agent service.
recoveryInfo = {}
beforeKillTimeHuman = strftime("%Y-%m-%d %H:%M:%S", localtime())
beforeKillTimeStamp = int(time.time())
recoveryInfo['beforeKillTimeHuman'] = str(beforeKillTimeHuman)
recoveryInfo['beforeKillTimeStamp'] = str(beforeKillTimeStamp)
# make sure there is always quote: even if null. easy for json parsing in startup
if self._manifest:
recoveryInfo['newManifest'] = self._manifest
else:
recoveryInfo['newManifest'] = 'null'
if oldManifest:
recoveryInfo['oldManifest'] = oldManifest
else:
recoveryInfo['oldManifest'] = 'null'
manifestutil.writeJson('agent', '.recovery', recoveryInfo)
# END Jeff 09 19 2012: save the timestamp and .recover files with
# persist threads result before shutting down
if (hasattr(appGlobal, 'threadMgr') and appGlobal.threadMgr != None):
killStatus = {}
killStatus['httpStatus'] = 500
killStatus['error'] = Errors.THREAD_KILLED_AGENT_RESTART
killStatus['errorMsg'] = 'thread killed, agent restart'
appGlobal.threadMgr.snapshot(killStatus, True)
self.__activateManifest(self._service, self._manifest)
except SystemExit as exc:
failed = True
if (len(exc.args) == 2):
# ok we got {err code, err msg}
errorCode = exc.args[0]
errorMsg = exc.args[1]
raise exc
except AgentException as exc:
failed = True
errorMsg = 'Activate Manifest - Agent Exception - %s' % exc.getMsg()
errorCode = exc.getCode()
except Exception as exc:
failed = True
errorMsg = 'Activate Manifest - Unknown error - (%s/%s) - %s - %s' \
% (self._service, self._manifest, str(exc), traceback.format_exc(5))
errorCode = Errors.UNKNOWN_ERROR
finally:
if failed:
if not self._skipCleanupOnFailure():
self.__cleanup(symlinkSwitched, errorMsg, errorCode)
self.__LOG.warning(errorMsg)
self._updateStatus(httpStatus = 500, error = errorCode, errorMsg = errorMsg)
else:
self._updateProgress(100)
