def iterate(parent_pid,elementDescript,paramsDescript,signatureDescript,x509_proxy_plugin):
sleep_time=int(elementDescript.frontend_data['LoopDelay'])
factory_pools=elementDescript.merged_data['FactoryCollectors']
frontend_name=elementDescript.frontend_data['FrontendName']
group_name=elementDescript.element_data['GroupName']
stats={}
history_obj={}
if not elementDescript.frontend_data.has_key('X509Proxy'):
published_frontend_name='%s.%s'%(frontend_name,group_name)
else:
# if using a VO proxy, label it as such
# this way we don't risk of using the wrong proxy on the other side
# if/when we decide to stop using the proxy
published_frontend_name='%s.XPVO_%s'%(frontend_name,group_name)
try:
is_first=1
while 1: # will exit by exception
check_parent(parent_pid)
glideinFrontendLib.log_files.logActivity("Iteration at %s" % time.ctime())
try:
# recreate every time (an easy way to start from a clean state)
stats['group']=glideinFrontendMonitoring.groupStats()
done_something=iterate_one(published_frontend_name,elementDescript,paramsDescript,signatureDescript,x509_proxy_plugin,stats,history_obj)
glideinFrontendLib.log_files.logActivity("Writing stats")
try:
write_stats(stats)
except KeyboardInterrupt:
raise # this is an exit signal, pass through
except:
# never fail for stats reasons!
tb = traceback.format_exception(sys.exc_info()[0],sys.exc_info()[1],
sys.exc_info()[2])
glideinFrontendLib.log_files.logWarning("Unhandled exception, ignoring. See debug log for more details.")
glideinFrontendLib.log_files.logDebug("Exception occurred: %s" % tb)
except KeyboardInterrupt:
raise # this is an exit signal, pass trough
except:
if is_first:
raise
else:
# if not the first pass, just warn
tb = traceback.format_exception(sys.exc_info()[0],sys.exc_info()[1],
sys.exc_info()[2])
glideinFrontendLib.log_files.logWarning("Unhandled exception, ignoring. See debug log for more details.")
glideinFrontendLib.log_files.logDebug("Exception occurred: %s" % tb)
is_first=0
# do it just before the sleep
glideinFrontendLib.log_files.cleanup()
glideinFrontendLib.log_files.logActivity("Sleep")
time.sleep(sleep_time)
finally:
glideinFrontendLib.log_files.logActivity("Deadvertize my ads")
for factory_pool in factory_pools:
factory_pool_node=factory_pool[0]
try:
glideinFrontendInterface.deadvertizeAllWork(factory_pool_node,published_frontend_name)
except:
pass # just ignore errors... this was cleanup
# Invalidate all resource classads
try:
resource_advertiser = glideinFrontendInterface.ResourceClassadAdvertiser()
resource_advertiser.invalidateConstrainedClassads('GlideClientName == "%s"' % published_frontend_name)
except:
# Ignore all errors
pass
sys.exc_info()[2])
logSupport.log.warning("Unhandled exception, ignoring. See debug log for more details.")
logSupport.log.debug("Exception occurred: %s" % tb)
is_first = 0
# do it just before the sleep
cleanupSupport.cleaners.cleanup()
logSupport.log.info("Sleep")
time.sleep(sleep_time)
finally:
logSupport.log.info("Deadvertize my ads")
for factory_pool in factory_pools:
factory_pool_node = factory_pool[0]
try:
glideinFrontendInterface.deadvertizeAllWork(factory_pool_node, published_frontend_name)
except:
pass # just ignore errors... this was cleanup
# Invalidate all resource classads
try:
resource_advertiser = glideinFrontendInterface.ResourceClassadAdvertiser()
resource_advertiser.invalidateConstrainedClassads('GlideClientName == "%s"' % published_frontend_name)
except:
# Ignore all errors
pass
############################################################
def main(parent_pid, work_dir, group_name):
startup_time = time.time()