def openvpn_watch(self):
try:
while True:
while True:
line = self.process.stdout.readline()
if not line:
if self.process.poll() is not None:
break
else:
time.sleep(0.05)
continue
yield
try:
self.server.output_link.push_output(
line,
label=self.output_label,
link_server_id=self.linked_server.id,
)
except:
logger.exception(
'Failed to push link vpn ' + 'output',
'server',
server_id=self.server.id,
)
yield
if self.stop_event.is_set():
break
else:
logger.error(
'Server instance link stopped ' +
'unexpectedly, restarting link',
'server',
server_id=self.server.id,
link_server_id=self.linked_server.id,
)
self.openvpn_start()
yield interrupter_sleep(1)
yield
finally:
if self.interface:
utils.tun_interface_release(self.interface)
self.interface = None
utils.rmtree(self._temp_path)
def stop_watch(self):
try:
while True:
if self.stop_event.wait(1):
return
yield
finally:
try:
if not utils.stop_process(self.process):
logger.error('Failed to stop openvpn link process. %r' % {
'server_id': self.server.id,
})
finally:
if self.interface:
utils.tun_interface_release(self.interface)
self.interface = None
def openvpn_watch(self):
try:
while True:
while True:
line = self.process.stdout.readline()
if not line:
if self.process.poll() is not None:
break
else:
time.sleep(0.05)
continue
yield
try:
self.server.output_link.push_output(
line,
label=self.output_label,
link_server_id=self.linked_server.id,
)
except:
logger.exception('Failed to push link vpn ' +
'output', 'server',
server_id=self.server.id,
)
yield
if self.stop_event.is_set():
break
else:
logger.error('Server instance link stopped ' +
'unexpectedly, restarting link', 'server',
server_id=self.server.id,
link_server_id=self.linked_server.id,
)
self.openvpn_start()
yield interrupter_sleep(1)
yield
finally:
if self.interface:
utils.tun_interface_release(self.interface)
self.interface = None
utils.rmtree(self._temp_path)
def stop_watch(self):
try:
while True:
if self.stop_event.wait(1):
return
yield
finally:
try:
if not utils.stop_process(self.process):
logger.error('Failed to stop openvpn link process',
'server',
server_id=self.server.id,
)
finally:
if self.interface:
utils.tun_interface_release(self.interface)
self.interface = None
def resources_release(self):
if self.resource_lock:
self.resource_lock.release()
utils.tun_interface_release(self.interface)
self.interface = None
def resources_release(self):
if self.resource_lock:
self.resource_lock.release()
utils.tun_interface_release(self.interface)
self.interface = None