def stop(process_name=None):
if process_name and __get_process(process_name) is not None:
process = __get_process(process_name)
pids = find_pid(process.get('token'))
if not pids:
ApiLogging.warning(process_name + ' is not running!', True)
else:
for pid in pids:
ApiLogging.info(process_name + ' stopped successful!', True)
proc = psutil.Process(pid)
if proc.is_running():
proc.kill()
else:
for process in constants.APP_PROCESSES:
pids = find_pid(process.get('token'))
if not pids:
ApiLogging.warning(
process.get('name') + ' is not running!', True)
else:
for pid in pids:
ApiLogging.info(
process.get('name') + ' stopped successful!', True)
proc = psutil.Process(pid)
if proc.is_running():
proc.kill()
try:
__cleanup()
except Exception as e:
# print("cleanup exception: ", e)
pass
def __cleanup():
# terminate all xvfb process
pids = find_pid('Xvfb')
for pid in pids:
proc = psutil.Process(pid)
if proc.is_running():
proc.kill()
def status():
for process in constants.APP_PROCESSES:
pids = find_pid(process.get('token'))
if not pids:
ApiLogging.error([process.get('name'), pids], True)
else:
ApiLogging.info([process.get('name'), pids], True)
def start(process_name=None):
requirements = check_requirements()
if requirements is not True:
for requirement in requirements:
ApiLogging.critical(requirement, True)
return
if process_name and __get_process(process_name) is not None:
process = __get_process(process_name)
pids = find_pid(process.get('token'))
if pids:
ApiLogging.warning(str(len(pids)) + ' instance(s) of this process already running!', True)
else:
__run(process_name, 'start')
else:
for process in constants.APP_PROCESSES:
if find_pid(process.get('token')):
ApiLogging.warning(process.get('name') + ' is already running!', True)
else:
__run(process.get('name'), 'start')
def send_signal():
pids = []
for process_name in constants.APP_PROCESSES:
if process_name.get('name') == 'process_sync.py':
pids = find_pid(process_name.get('token'))
if len(pids) > 1:
ApiLogging.warning('Too many sync process running')
elif len(pids) == 1:
p = psutil.Process(pids[0])
p.send_signal(signal.SIGUSR1)
def send_signal(process_names):
try:
for name in process_names:
pids = []
for process_name in constants.APP_PROCESSES:
if process_name.get('name') == name:
pids = find_pid(process_name.get('token'))
if len(pids) > 1:
ApiLogging.warning('Too many ' + str(name) +
' process running')
elif len(pids) == 1:
p = psutil.Process(pids[0])
ApiLogging.info('process name: ' + str(pids[0]))
p.send_signal(signal.SIGUSR1)
except Exception as e:
ApiLogging.critical('broadcast signal exception: ' + str(e))
def check_requirements():
error_message = []
postgres = find_pid('postgresql')
if not postgres:
error_message.append('postgresql service required, but not running!')
return True if not error_message else error_message
from components.utils import find_pid
find_pid('xvfb')