def start_flask_server(daemonize=True, debug=True):
if Path(PID_PATH).exists():
pid = int(Path(PID_PATH).read_text())
if pid in psutil.pids():
clrc.info(
"It seems daemon is already running. Use restart command to restart it"
)
return
else:
clrc.warn(
"It seems daemon was not stopped correctly the last time. PID file exists, and PID inside it do not match any running process. Please remove PID file manually: {0}"
.format(PID_PATH))
clrc.info("After removing PID file daemon should start as usual")
return
if daemonize:
if debug:
clrc.info("Information:")
clrc.info("Database is at: {0}".format(DATABASE_PATH))
clrc.info("Daemon process PID file is at: {0}".format(PID_PATH))
if LOG_PATH:
clrc.info(
"You specified LOG_PATH. It's at: {0}".format(LOG_PATH))
if (_can_create_pid_file() and _can_create_logs()):
clrc.info("Starting daemon...")
clrc.info(
"Daemon started successfully. You can access your server at http://{0}:{1}"
.format(HOST, PORT))
clrc.info(
"If you are not able to access the web server and sure this is not a problem with firewall/closed port etc, please check logs here: {0}"
.format(LOG_PATH))
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
fh = logging.FileHandler(LOG_PATH)
logger.addHandler(fh)
# Fix to work with pyinstaller onefile
fds_to_myself = []
if getattr(sys, 'frozen', False):
fds_to_myself = [
of.fd for of in psutil.Process(os.getpid()).open_files()
if of.path == sys.executable
]
with daemon.DaemonContext(
pidfile=pidlockfile.PIDLockFile(PID_PATH),
stdout=fh.stream,
stderr=fh.stream,
files_preserve=[fh.stream] + fds_to_myself):
_run_flask_app()
clrc.success(
"Daemon started! You can access server at {0}:{1}".format(
HOST, PORT))
else:
_run_flask_app(debug=True)
def make_pidlockfile(path):
""" Make a PIDLockFile instance with the given filesystem path. """
lockfile = None
if path is not None:
if not isinstance(path, basestring):
error = ValueError("Not a filesystem path: %(path)r" % vars())
raise error
if not os.path.isabs(path):
error = ValueError("Not an absolute path: %(path)r" % vars())
raise error
lockfile = pidlockfile.PIDLockFile(path)
return lockfile
"(default=mongodb://localhost:27017)")
parser.add_config_argument(
"--server-host",
metavar="SERVER_HOST",
default="localhost",
help="specify the mongo hostname (default=localhost)")
parser.add_config_argument("--server-port",
metavar="SERVER_PORT",
type=int,
default=8080,
help="specify the mongo port (default=8080)")
parser.add_argument("command",
choices=["start", "stop", "restart"],
help="<-- the available actions, choose one")
args = parser.parse_args()
pidfile = pidlockfile.PIDLockFile(args.pid)
if args.command == "start":
if pidfile.is_locked():
print("There is already a running process")
sys.exit(1)
if args.command == "stop":
if pidfile.is_locked():
pid = pidfile.read_pid()
print("Stopping...")
os.kill(pid, signal.SIGTERM)
sys.exit(0)
else:
print("There is no running process to stop")
sys.exit(2)