def _stop_dnsmasq(self):
# Shutdown dnsmasq which is typically used by nova-network
# to provide dhcp leases and since nova currently doesn't
# seem to shut them down itself (why not?) we have to do it for it..
#
# TODO(harlowja) file a bug to get that fixed...
to_kill = []
for proc in psutil.process_iter():
if proc.name.find("dnsmasq") == -1:
continue
cwd = ''
cmdline = ''
cwd = proc.getcwd()
cmdline = " ".join(proc.cmdline)
to_try = False
for t in [cwd, cmdline]:
if t.lower().find("nova") != -1:
to_try = True
if to_try:
to_kill.append(proc.pid)
if len(to_kill):
utils.log_iterable(to_kill,
header="Killing leftover nova dnsmasq processes with process ids",
logger=nconf.LOG)
for pid in to_kill:
sh.kill(pid)
def _stop_dnsmasq(self):
# Shutdown dnsmasq which is typically used by nova-network
# to provide dhcp leases and since nova currently doesn't
# seem to shut them down itself (why not?) we have to do it for it..
#
# TODO(harlowja) file a bug to get that fixed...
to_kill = []
for proc in psutil.process_iter():
if proc.name.find("dnsmasq") == -1:
continue
cwd = ''
cmdline = ''
cwd = proc.getcwd()
cmdline = " ".join(proc.cmdline)
to_try = False
for t in [cwd, cmdline]:
if t.lower().find("nova") != -1:
to_try = True
if to_try:
to_kill.append(proc.pid)
if len(to_kill):
utils.log_iterable(
to_kill,
header=
"Killing leftover nova dnsmasq processes with process ids",
logger=nconf.LOG)
for pid in to_kill:
sh.kill(pid)
def stop(self, app_name):
trace_dir = self.runtime.get_option('trace_dir')
if not sh.isdir(trace_dir):
msg = "No trace directory found from which to stop: %s" % (app_name)
raise excp.StopException(msg)
with sh.Rooted(True):
fn_name = FORK_TEMPL % (app_name)
(pid_file, stderr_fn, stdout_fn) = self._form_file_names(fn_name)
pid = self._extract_pid(pid_file)
if not pid:
msg = "Could not extract a valid pid from %s" % (pid_file)
raise excp.StopException(msg)
(killed, attempts) = sh.kill(pid)
# Trash the files if it worked
if killed:
LOG.debug("Killed pid %s after %s attempts." % (pid, attempts))
LOG.debug("Removing pid file %s" % (pid_file))
sh.unlink(pid_file)
LOG.debug("Removing stderr file %r" % (stderr_fn))
sh.unlink(stderr_fn)
LOG.debug("Removing stdout file %r" % (stdout_fn))
sh.unlink(stdout_fn)
trace_fn = tr.trace_fn(trace_dir, fn_name)
if sh.isfile(trace_fn):
LOG.debug("Removing %r trace file %r" % (app_name, trace_fn))
sh.unlink(trace_fn)
else:
msg = "Could not stop %r after %s attempts" % (app_name, attempts)
raise excp.StopException(msg)
def stop(self, app_name):
trace_dir = self.runtime.get_option('trace_dir')
if not sh.isdir(trace_dir):
msg = "No trace directory found from which to stop: %s" % (app_name)
raise excp.StopException(msg)
with sh.Rooted(True):
fn_name = FORK_TEMPL % (app_name)
(pid_file, stderr_fn, stdout_fn) = self._form_file_names(fn_name)
pid = self._extract_pid(pid_file)
if not pid:
msg = "Could not extract a valid pid from %s" % (pid_file)
raise excp.StopException(msg)
(killed, attempts) = sh.kill(pid)
# Trash the files if it worked
if killed:
LOG.debug("Killed pid %s after %s attempts." % (pid, attempts))
LOG.debug("Removing pid file %s" % (pid_file))
sh.unlink(pid_file)
LOG.debug("Removing stderr file %r" % (stderr_fn))
sh.unlink(stderr_fn)
LOG.debug("Removing stdout file %r" % (stdout_fn))
sh.unlink(stdout_fn)
trace_fn = tr.trace_filename(trace_dir, fn_name)
if sh.isfile(trace_fn):
LOG.debug("Removing %r trace file %r" % (app_name, trace_fn))
sh.unlink(trace_fn)
else:
msg = "Could not stop %r after %s attempts" % (app_name, attempts)
raise excp.StopException(msg)
def stop(self, app_name):
# The location of the pid file should be in the attached
# runtimes trace directory, so see if we can find said file
# and then attempt to kill the pid that exists in that file
# which if succesffully will signal to the rest of this code
# that we can go through and cleanup the other remnants of said
# pid such as the stderr/stdout files that were being written to...
trace_dir = self.runtime.get_option('trace_dir')
if not sh.isdir(trace_dir):
msg = "No trace directory found from which to stop: %r" % (
app_name)
raise excp.StopException(msg)
fork_fns = self._form_file_names(app_name)
skip_kill = True
pid = None
try:
pid = fork_fns.extract_pid()
skip_kill = False
except IOError as e:
if e.errno == errno.ENOENT:
pass
else:
skip_kill = False
if not skip_kill and pid is None:
msg = "Could not extract a valid pid from %r" % (fork_fns.pid)
raise excp.StopException(msg)
# Bother trying to kill said process?
if not skip_kill:
(killed, attempts) = sh.kill(pid)
else:
(killed, attempts) = (True, 0)
# Trash the files if it worked
if killed:
if not skip_kill:
LOG.debug("Killed pid '%s' after %s attempts.", pid, attempts)
for leftover_fn in fork_fns.as_list():
if sh.exists(leftover_fn):
LOG.debug("Removing forking related file %r",
(leftover_fn))
sh.unlink(leftover_fn)
else:
msg = "Could not stop %r after %s attempts" % (app_name, attempts)
raise excp.StopException(msg)
def stop(self, app_name):
# The location of the pid file should be in the attached
# runtimes trace directory, so see if we can find said file
# and then attempt to kill the pid that exists in that file
# which if succesffully will signal to the rest of this code
# that we can go through and cleanup the other remnants of said
# pid such as the stderr/stdout files that were being written to...
trace_dir = self.runtime.get_option('trace_dir')
if not sh.isdir(trace_dir):
msg = "No trace directory found from which to stop: %r" % (app_name)
raise excp.StopException(msg)
with sh.Rooted(True):
fork_fns = self._form_file_names(app_name)
skip_kill = True
pid = None
try:
pid = fork_fns.extract_pid()
skip_kill = False
except IOError as e:
if e.errno == errno.ENOENT:
pass
else:
skip_kill = False
if not skip_kill and pid is None:
msg = "Could not extract a valid pid from %r" % (fork_fns.pid)
raise excp.StopException(msg)
# Bother trying to kill said process?
if not skip_kill:
(killed, attempts) = sh.kill(pid)
else:
(killed, attempts) = (True, 0)
# Trash the files if it worked
if killed:
if not skip_kill:
LOG.debug("Killed pid '%s' after %s attempts.", pid, attempts)
for leftover_fn in fork_fns.as_list():
if sh.exists(leftover_fn):
LOG.debug("Removing forking related file %r", (leftover_fn))
sh.unlink(leftover_fn)
else:
msg = "Could not stop %r after %s attempts" % (app_name, attempts)
raise excp.StopException(msg)
