def killMasterAndParasol():
"""Method to destroy master process
"""
tempFile = getTempFile()
popen("ps -a", tempFile)
fileHandle = open(tempFile, 'r')
line = fileHandle.readline()
#Example parasol state lines:
#67401 ttys002 0:00.06 /Users/benedictpaten/kent/src/parasol/bin/paraNode start -hub=localhost -log=/tmp/node.2009-07-08.log -umask=002 -userPath=bin:bin/x86_64:bin/i
#67403 ttys002 0:00.65 /Users/benedictpaten/kent/src/parasol/bin/paraHub -log=/tmp/hub.2009-07-08.log machineList subnet=127.0.0
#68573 ttys002 0:00.00 /Users/benedictpaten/kent/src/parasol/bin/paraNode start -hub=localhost -log=/tmp/node.2009-07-08.log -umask=002 -userPath=bin:bin/x86_64:bin/i
while line != '':
tokens = line.split()
if 'paraNode' in line or 'paraHub' in line:
if random.random() > 0.5:
i = os.system("kill %i" % int(tokens[0]))
logger.info("Tried to kill parasol process: %i, line: %s, exit value: %i" % (int(tokens[0]), line, i))
break
elif 'jobTreeMaster.py' in line:
logger.info("Have job tree master line")
if random.random() > 0.5:
i = os.system("kill %i" % int(tokens[0]))
logger.info("Tried to kill master process: %i, line: %s, exit value: %i" % (int(tokens[0]), line, i))
break
line = fileHandle.readline()
fileHandle.close()
os.remove(tempFile)
parasolRestart()
def parasolRestart():
"""Function starts the parasol hub and node.
"""
parasolStop()
while True:
machineList = os.path.join(workflowRootPath(), "workflow", "jobTree", "machineList")
#pathEnvVar = os.environ["PATH"]
os.system("paraNode start -hub=localhost")
#-umask=002 -userPath=%s -sysPath=%s" % (pathEnvVar, pathEnvVar))
os.system("paraHub %s subnet=127.0.0 &" % (machineList,))
tempFile = getTempFile()
dead = True
try:
popen("parasol status", tempFile)
fileHandle = open(tempFile, 'r')
line = fileHandle.readline()
while line != '':
if "Nodes dead" in line:
print line
if int(line.split()[-1]) == 0:
dead = False
line = fileHandle.readline()
fileHandle.close()
except RuntimeError:
pass
os.remove(tempFile)
if not dead:
break
else:
logger.info("Tried to restart the parasol process, but failed, will try again")
parasolStop()
time.sleep(5)
logger.info("Restarted the parasol process")
