def run(self):
results = []
failures = []
self.logger.info("Issuing shutdown commands to local segments...")
for db in self.dblist:
datadir, port = db.split(':')[0:2]
cmd = gp.SegmentStop('segment shutdown', datadir, mode=self.mode, timeout=self.timeout)
cmd.run()
res = cmd.get_results()
if res.rc == 0:
# MPP-15208
#
cmd2 = gp.SegmentIsShutDown('check if shutdown', datadir)
cmd2.run()
if cmd2.is_shutdown():
status = SegStopStatus(datadir, True, "Shutdown Succeeded")
results.append(status)
continue
# MPP-16171
#
if self.mode == 'immediate':
status = SegStopStatus(datadir, True, "Shutdown Immediate")
results.append(status)
continue
# read pid and datadir from /tmp/.s.PGSQL.<port>.lock file
name = "failed segment '%s'" % db
(succeeded, mypid, file_datadir) = pg.ReadPostmasterTempFile.local(name,port).getResults()
if succeeded and file_datadir == datadir:
# now try to terminate the process, first trying with
# SIGTERM and working our way up to SIGABRT sleeping
# in between to give the process a moment to exit
#
unix.kill_sequence(mypid)
if not unix.check_pid(mypid):
lockfile = "/tmp/.s.PGSQL.%s" % port
if os.path.exists(lockfile):
self.logger.info("Clearing segment instance lock files")
os.remove(lockfile)
status = SegStopStatus(datadir,False,"Shutdown failed: rc: %d stdout: %s stderr: %s" % (res.rc,res.stdout,res.stderr))
failures.append(status)
results.append(status)
#Log the results!
status = '\nCOMMAND RESULTS\n'
for result in results:
status += str(result) + "\n"
self.logger.info(status)
return 1 if failures else 0
def terminate_process(self, pid):
self.validate_attempt(pid)
logger.warning('Confirm [N/y]:')
confirmation = raw_input().strip().lower()
if confirmation not in ['y', 'ye', 'yes']:
raise KillError('operation aborted')
kill_sequence(pid)
if check_pid(pid):
raise KillError('Failed to kill process %s' % pid)
def terminate_process(self, pid):
self.validate_attempt(pid)
logger.warning('Confirm [N/y]:')
confirmation = raw_input().strip().lower()
if confirmation not in ['y', 'ye', 'yes']:
raise KillError('operation aborted')
kill_sequence(pid)
if check_pid(pid):
raise KillError('Failed to kill process %s' % pid)
def run(self):
try:
self.datadir, self.port = self.get_datadir_and_port()
cmd = gp.SegmentStop('segment shutdown',
self.datadir,
mode=self.mode,
timeout=self.timeout)
cmd.run()
results = cmd.get_results()
is_shutdown = False
if results.rc == 0:
cmd = gp.SegmentIsShutDown('check if shutdown', self.datadir)
cmd.run()
if cmd.is_shutdown():
status = SegStopStatus(self.datadir, True,
"Shutdown Succeeded")
self.result = status
is_shutdown = True
# MPP-16171
#
elif self.mode == 'immediate':
status = SegStopStatus(self.datadir, True,
"Shutdown Immediate")
self.result = status
is_shutdown = True
# read pid and datadir from /tmp/.s.PGSQL.<port>.lock file
name = "failed segment '%s'" % self.db
(succeeded, mypid, file_datadir) = pg.ReadPostmasterTempFile.local(
name, self.port).getResults()
if not is_shutdown:
if succeeded and file_datadir == self.datadir:
# now try to terminate the process, first trying with
# SIGTERM and working our way up to SIGABRT sleeping
# in between to give the process a moment to exit
#
unix.kill_sequence(mypid)
if not unix.check_pid(mypid):
lockfile = "/tmp/.s.PGSQL.%s" % self.port
if os.path.exists(lockfile):
self.logger.info(
"Clearing segment instance lock files")
os.remove(lockfile)
status = SegStopStatus(
self.datadir, True,
"Forceful termination success: rc: %d stdout: %s stderr: %s."
% (results.rc, results.stdout, results.stderr))
try:
unix.kill_9_segment_processes(self.datadir, self.port, mypid)
if unix.check_pid(mypid) and mypid != -1:
status = SegStopStatus(
self.datadir, False,
"Failed forceful termnation: rc: %d stdout: %s stderr: %s."
% (results.rc, results.stdout, results.stderr))
self.result = status
except Exception as e:
logger.error(
'Failed forceful termination of segment %s: (%s)' %
(self.datadir, str(e)))
self.result = SegStopStatus(
self.datadir, False,
'Failed forceful termination of segment! (%s)' % str(e))
return self.result
except Exception as e:
logger.exception(e)
self.result = SegStopStatus(self.datadir, False,
'Shutdown failed! %s' % str(e))
return self.result
def run(self):
try:
self.datadir, self.port = self.get_datadir_and_port()
cmd = gp.SegmentStop('segment shutdown', self.datadir, mode=self.mode, timeout=self.timeout)
cmd.run()
results = cmd.get_results()
is_shutdown = False
if results.rc == 0:
cmd = gp.SegmentIsShutDown('check if shutdown', self.datadir)
cmd.run()
if cmd.is_shutdown():
status = SegStopStatus(self.datadir, True, "Shutdown Succeeded")
self.result = status
is_shutdown = True
# MPP-16171
#
elif self.mode == 'immediate':
status = SegStopStatus(self.datadir, True, "Shutdown Immediate")
self.result = status
is_shutdown = True
# read pid and datadir from /tmp/.s.PGSQL.<port>.lock file
name = "failed segment '%s'" % self.db
(succeeded, mypid, file_datadir) = pg.ReadPostmasterTempFile.local(name,self.port).getResults()
if not is_shutdown:
if succeeded and file_datadir == self.datadir:
# now try to terminate the process, first trying with
# SIGTERM and working our way up to SIGABRT sleeping
# in between to give the process a moment to exit
#
unix.kill_sequence(mypid)
if not unix.check_pid(mypid):
lockfile = "/tmp/.s.PGSQL.%s" % self.port
if os.path.exists(lockfile):
self.logger.info("Clearing segment instance lock files")
os.remove(lockfile)
status = SegStopStatus(self.datadir, True, "Forceful termination success: rc: %d stdout: %s stderr: %s." % (results.rc,results.stdout,results.stderr))
try:
unix.kill_9_segment_processes(self.datadir, self.port, mypid)
if unix.check_pid(mypid) and mypid != -1:
status = SegStopStatus(self.datadir, False, "Failed forceful termnation: rc: %d stdout: %s stderr: %s." % (results.rc,results.stdout,results.stderr))
self.result = status
except Exception as e:
logger.error('Failed forceful termination of segment %s: (%s)' % (self.datadir, str(e)))
self.result = SegStopStatus(self.datadir,False,'Failed forceful termination of segment! (%s)' % str(e))
return self.result
except Exception as e:
logger.exception(e)
self.result = SegStopStatus(self.datadir,False,'Shutdown failed! %s' % str(e))
return self.result
