def _ganga_run_exitfuncs():
"""Run all exit functions from plugins and internal services in the correct order
Go over all plugins and internal services and call the appropriate shutdown functions in the correct order. Because
we want each shutdown function to be run (e.g. to make sure flushing is done) we put each call into a try..except
and report to the user before continuing.
"""
# Set the disk timeout to 1 sec, sacrifice stability for quicker exit
setConfigOption('Configuration', 'DiskIOTimeout', 1)
# Stop the monitoring loop from iterating further
if monitoring_component is not None:
try:
getStackTrace()
if monitoring_component.alive:
monitoring_component.disableMonitoring()
monitoring_component.stop()
monitoring_component.join()
except Exception as err:
logger.exception("Exception raised while stopping the monitoring: %s" % err)
# Stop the tasks system from running
try:
stopTasks()
except Exception as err:
logger.exception("Exception raised while stopping Tasks: %s" % err)
# purge the monitoring queues
try:
_purge_actions_queue()
stop_and_free_thread_pool()
except Exception as err:
logger.exception("Exception raised while purging monitoring queues: %s" % err)
# Freeze queues
try:
if _global_queues:
_global_queues.freeze()
except Exception as err:
logger.exception("Exception raised during freeze of Global Queues: %s" % err)
# shutdown the threads in the GangaThreadPool
try:
GangaThreadPool.getInstance().shutdown()
except Exception as err:
logger.exception("Exception raised during shutdown of GangaThreadPool: %s" % err)
# Shutdown queues
try:
logger.info("Stopping Job processing before shutting down Repositories")
shutDownQueues()
except Exception as err:
logger.exception("Exception raised while purging shutting down queues: %s" % err)
# shutdown the repositories
try:
logger.info("Shutting Down Ganga Repositories")
Repository_runtime.shutdown()
except Exception as err:
logger.exception("Exception raised while shutting down repositories: %s" % err)
# label services as disabled
Coordinator.servicesEnabled = False
# clear the credential store
try:
CredentialStore.shutdown()
except Exception as err:
logger.exception("Exception raised while clearing the credential store: %s" % err)
# shutdown SessionLock
try:
removeGlobalSessionFileHandlers()
removeGlobalSessionFiles()
except Exception as err:
logger.exception("Exception raised while shutting down SessionLocks: %s" % err)
# Shutdown stacktracer
if stacktracer._tracer:
try:
stacktracer.trace_stop()
except Exception as err:
logger.exception("Exception raised while stopping stack tracer: %s" % err)
# do final shutdown
if requires_shutdown is True:
try:
final_shutdown()
except Exception as err:
logger.exception("Exception raised while doing final shutdown: %s" % err)
# show any open files after everything's shutdown
if bootstrap.DEBUGFILES or bootstrap.MONITOR_FILES:
bootstrap.printOpenFiles()
def _ganga_run_exitfuncs():
"""run any registered exit functions
atexit._exithandlers is traversed based on the priority.
If no priority was registered for a given function
than the lowest priority is assumed (LIFO policy)
We keep the same functionality as in *atexit* bare module but
we run each exit handler inside a try..catch block to be sure all
the registered handlers are executed
"""
from Ganga.GPIDev.Base.Proxy import getName
#print("Shutting Down Ganga Repositories")
from Ganga.Runtime import Repository_runtime
Repository_runtime.flush_all()
from Ganga.Utility.logging import getLogger
logger = getLogger()
# Set the disk timeout to 1 sec, sacrifice stability for quick-er exit
from Ganga.Utility.Config import setConfigOption
setConfigOption('Configuration', 'DiskIOTimeout', 1)
## Stop the Mon loop from iterating further!
from Ganga.Core import monitoring_component
if monitoring_component is not None:
from Ganga.Core.MonitoringComponent.Local_GangaMC_Service import getStackTrace
getStackTrace()
monitoring_component.disableMonitoring()
## Stop the tasks system from running it's GangaThread before we get to the GangaThread shutdown section!
from Ganga.GPIDev.Lib.Tasks import stopTasks
stopTasks()
# Set the disk timeout to 3 sec, sacrifice stability for quick-er exit
#from Ganga.Utility.Config import setConfigOption
#setConfigOption('Configuration', 'DiskIOTimeout', 3)
from Ganga.Core.MonitoringComponent.Local_GangaMC_Service import _purge_actions_queue, stop_and_free_thread_pool
_purge_actions_queue()
stop_and_free_thread_pool()
def priority_cmp(f1, f2):
"""
Sort the exit functions based on priority in reversed order
"""
# extract the priority number from the function element
p1 = f1[0][0]
p2 = f2[0][0]
# sort in reversed order
return cmp(p2, p1)
def add_priority(x):
"""
add a default priority to the functions not defining one (default priority=sys.maxint)
return a list containg ((priority,func),*targs,*kargs) elements
"""
import sys
func = x[0]
if isinstance(func, tuple) and len(x[0]) == 2:
return x
else:
new = [(sys.maxsize, func)]
new.extend(x[1:])
return new
atexit._exithandlers = map(add_priority, atexit._exithandlers)
atexit._exithandlers.sort(priority_cmp)
logger.info("Stopping Job processing before shutting down Repositories")
import inspect
while atexit._exithandlers:
(priority, func), targs, kargs = atexit._exithandlers.pop()
try:
if hasattr(func, 'im_class'):
for cls in inspect.getmro(func.__self__.__class__):
if getName(func) in cls.__dict__:
logger.debug(getName(cls) + " : " + getName(func))
func(*targs, **kargs)
else:
logger.debug("noclass : " + getName(func))
#print("%s" % str(func))
#print("%s" % str(inspect.getsourcefile(func)))
#func(*targs, **kargs)
## This attempts to check for and remove externally defined shutdown functions which may interfere with the next steps!
if str(inspect.getsourcefile(func)).find('Ganga') != -1:
func(*targs, **kargs)
except Exception as err:
s = 'Cannot run one of the exit handlers: %s ... Cause: %s' % (getName(func), str(err))
logger.debug(s)
try:
import os
logger.debug("%s" % os.path.join(os.path.dirname(os.path.abspath(inspect.getfile(func)))) )
logger.debug("\n%s" % inspect.getsource(func))
except Exception as err2:
logger.debug("Error getting source code and failure reason: %s" % str(err2))
logger.info("Shutting Down Ganga Repositories")
from Ganga.Runtime import Repository_runtime
Repository_runtime.shutdown()
from Ganga.Core.InternalServices import Coordinator
Coordinator.servicesEnabled = False
from Ganga.Core.GangaRepository.SessionLock import removeGlobalSessionFiles, removeGlobalSessionFileHandlers
removeGlobalSessionFileHandlers()
removeGlobalSessionFiles()
from Ganga.Utility.logging import requires_shutdown, final_shutdown
if requires_shutdown is True:
final_shutdown()
from Ganga.Runtime import bootstrap
if bootstrap.DEBUGFILES or bootstrap.MONITOR_FILES:
bootstrap.printOpenFiles()
def _ganga_run_exitfuncs():
"""run any registered exit functions
atexit._exithandlers is traversed based on the priority.
If no priority was registered for a given function
than the lowest priority is assumed (LIFO policy)
We keep the same functionality as in *atexit* bare module but
we run each exit handler inside a try..catch block to be sure all
the registered handlers are executed
"""
from Ganga.GPIDev.Base.Proxy import getName
#print("Shutting Down Ganga Repositories")
from Ganga.Runtime import Repository_runtime
Repository_runtime.flush_all()
from Ganga.Utility.logging import getLogger
logger = getLogger()
# Set the disk timeout to 1 sec, sacrifice stability for quick-er exit
from Ganga.Utility.Config import setConfigOption
setConfigOption('Configuration', 'DiskIOTimeout', 1)
try:
from Ganga.GPI import queues
queues.lock()
except Exception as err:
logger.debug(
"This should only happen if Ganga filed to initialize correctly")
logger.debug("Err: %s" % str(err))
## Stop the Mon loop from iterating further!
from Ganga.Core import monitoring_component
if monitoring_component is not None:
from Ganga.Core.MonitoringComponent.Local_GangaMC_Service import getStackTrace
getStackTrace()
monitoring_component.disableMonitoring()
#monitoring_component.stop()
## This will stop the Registries flat but we may still have threads processing data!
#from Ganga.Core.InternalServices import Coordinator
#if Coordinator.servicesEnabled:
# Coordinator.disableInternalServices( shutdown = True )
## Stop the tasks system from running it's GangaThread before we get to the GangaThread shutdown section!
from Ganga.GPIDev.Lib.Tasks import stopTasks
stopTasks()
# Set the disk timeout to 3 sec, sacrifice stability for quick-er exit
#from Ganga.Utility.Config import setConfigOption
#setConfigOption('Configuration', 'DiskIOTimeout', 3)
from Ganga.Core.MonitoringComponent.Local_GangaMC_Service import _purge_actions_queue, stop_and_free_thread_pool
_purge_actions_queue()
stop_and_free_thread_pool()
try:
from Ganga.GPI import queues
queues._purge_all()
except Exception as err:
logger.debug(
"This should only happen if Ganga filed to initialize correctly")
logger.debug("Err2: %s" % str(err))
def priority_cmp(f1, f2):
"""
Sort the exit functions based on priority in reversed order
"""
# extract the priority number from the function element
p1 = f1[0][0]
p2 = f2[0][0]
# sort in reversed order
return cmp(p2, p1)
def add_priority(x):
"""
add a default priority to the functions not defining one (default priority=sys.maxint)
return a list containg ((priority,func),*targs,*kargs) elements
"""
import sys
func = x[0]
if isinstance(func, tuple) and len(x[0]) == 2:
return x
else:
new = [(sys.maxsize, func)]
new.extend(x[1:])
return new
atexit._exithandlers = map(add_priority, atexit._exithandlers)
atexit._exithandlers.sort(priority_cmp)
logger.info("Stopping running tasks before shutting down Repositories")
import inspect
while atexit._exithandlers:
(priority, func), targs, kargs = atexit._exithandlers.pop()
try:
if hasattr(func, 'im_class'):
for cls in inspect.getmro(func.__self__.__class__):
if getName(func) in cls.__dict__:
logger.debug(getName(cls) + " : " + getName(func))
func(*targs, **kargs)
else:
logger.debug("noclass : " + getName(func))
#print("%s" % str(func))
#print("%s" % str(inspect.getsourcefile(func)))
#func(*targs, **kargs)
## This attempts to check for and remove externally defined shutdown functions which may interfere with the next steps!
if str(inspect.getsourcefile(func)).find('Ganga') != -1:
func(*targs, **kargs)
except Exception as err:
s = 'Cannot run one of the exit handlers: %s ... Cause: %s' % (
getName(func), str(err))
logger.debug(s)
try:
import os
logger.debug("%s" % os.path.join(
os.path.dirname(os.path.abspath(inspect.getfile(func)))))
logger.debug("\n%s" % inspect.getsource(func))
except Exception as err2:
logger.debug(
"Error getting source code and failure reason: %s" %
str(err2))
logger.info("Shutting Down Ganga Repositories")
from Ganga.Runtime import Repository_runtime
Repository_runtime.shutdown()
from Ganga.Core.InternalServices import Coordinator
Coordinator.servicesEnabled = False
from Ganga.Core.GangaRepository.SessionLock import removeGlobalSessionFiles, removeGlobalSessionFileHandlers
removeGlobalSessionFileHandlers()
removeGlobalSessionFiles()
from Ganga.Utility.logging import requires_shutdown, final_shutdown
if requires_shutdown is True:
final_shutdown()
from Ganga.Runtime import bootstrap
if bootstrap.DEBUGFILES or bootstrap.MONITOR_FILES:
bootstrap.printOpenFiles()
def _ganga_run_exitfuncs():
"""Run all exit functions from plugins and internal services in the correct order
Go over all plugins and internal services and call the appropriate shutdown functions in the correct order. Because
we want each shutdown function to be run (e.g. to make sure flushing is done) we put each call into a try..except
and report to the user before continuing.
"""
# Set the disk timeout to 1 sec, sacrifice stability for quicker exit
setConfigOption('Configuration', 'DiskIOTimeout', 1)
# Stop the monitoring loop from iterating further
if monitoring_component is not None:
try:
getStackTrace()
if monitoring_component.alive:
monitoring_component.disableMonitoring()
monitoring_component.stop()
monitoring_component.join()
except Exception as err:
logger.exception(
"Exception raised while stopping the monitoring: %s" % err)
# Stop the tasks system from running
try:
stopTasks()
except Exception as err:
logger.exception("Exception raised while stopping Tasks: %s" % err)
# purge the monitoring queues
try:
_purge_actions_queue()
stop_and_free_thread_pool()
except Exception as err:
logger.exception(
"Exception raised while purging monitoring queues: %s" % err)
# Freeze queues
try:
if _global_queues:
_global_queues.freeze()
except Exception as err:
logger.exception(
"Exception raised during freeze of Global Queues: %s" % err)
# shutdown the threads in the GangaThreadPool
try:
GangaThreadPool.getInstance().shutdown()
except Exception as err:
logger.exception(
"Exception raised during shutdown of GangaThreadPool: %s" % err)
# Shutdown queues
try:
logger.info(
"Stopping Job processing before shutting down Repositories")
shutDownQueues()
except Exception as err:
logger.exception(
"Exception raised while purging shutting down queues: %s" % err)
# shutdown the repositories
try:
logger.info("Shutting Down Ganga Repositories")
Repository_runtime.shutdown()
except Exception as err:
logger.exception(
"Exception raised while shutting down repositories: %s" % err)
# label services as disabled
Coordinator.servicesEnabled = False
# shutdown SessionLock
try:
removeGlobalSessionFileHandlers()
removeGlobalSessionFiles()
except Exception as err:
logger.exception(
"Exception raised while shutting down SessionLocks: %s" % err)
# Shutdown stacktracer
if stacktracer._tracer:
try:
stacktracer.trace_stop()
except Exception as err:
logger.exception(
"Exception raised while stopping stack tracer: %s" % err)
# do final shutdown
if requires_shutdown is True:
try:
final_shutdown()
except Exception as err:
logger.exception(
"Exception raised while doing final shutdown: %s" % err)
# show any open files after everything's shutdown
if bootstrap.DEBUGFILES or bootstrap.MONITOR_FILES:
bootstrap.printOpenFiles()
Repository_runtime.shutdown()
import Ganga.Utility.logging
if Ganga.Utility.logging.requires_shutdown is True:
Ganga.Utility.logging.shutdown()
from Ganga.Core.InternalServices import Coordinator
Coordinator.servicesEnabled = False
from Ganga.Core.GangaRepository.SessionLock import removeGlobalSessionFiles, removeGlobalSessionFileHandlers
removeGlobalSessionFileHandlers()
removeGlobalSessionFiles()
from Ganga.Runtime import bootstrap
if bootstrap.DEBUGFILES or bootstrap.MONITOR_FILES:
bootstrap.printOpenFiles()
def install():
"""
Install a new shutdown manager, by overriding methods from atexit module
"""
# override the atexit exit function
atexit._run_exitfuncs = _ganga_run_exitfuncs
#del atexit
# override the default exit function
import sys
sys.exitfunc = atexit._run_exitfuncs
#