npbackup/upgrade_server/upgrade_server.py
2024-01-03 20:01:03 +01:00

118 lines
3.4 KiB
Python

#! /usr/bin/env python
# -*- coding: utf-8 -*-
#
# This file is part of npbackup
__intname__ = "npbackup.upgrade_server.upgrade_server"
__author__ = "Orsiris de Jong"
__copyright__ = "Copyright (C) 2023-2024 NetInvent"
__license__ = "GPL-3.0-only"
__build__ = "2023020601"
__version__ = "1.4.0"
import sys
import os
import multiprocessing
from argparse import ArgumentParser
from upgrade_server import configuration
from ofunctions.logger_utils import logger_get_logger
import upgrade_server.api
if __name__ == "__main__":
_DEV = os.environ.get("_DEV", False)
parser = ArgumentParser(
prog="{} {} - {}".format(__intname__, __copyright__, __license__),
description="""NPBackup Upgrade server""",
)
parser.add_argument(
"--dev", action="store_true", help="Run with uvicorn in devel environment"
)
parser.add_argument(
"-c",
"--config-file",
dest="config_file",
type=str,
default=None,
required=False,
help="Path to upgrade_server.conf file",
)
args = parser.parse_args()
if args.dev:
_DEV = True
if args.config_file:
config_dict = configuration.load_config(args.config_file)
else:
config_dict = configuration.load_config()
try:
listen = config_dict["http_server"]["listen"]
except (TypeError, KeyError):
listen = None
try:
port = config_dict["http_server"]["port"]
except (TypeError, KeyError):
port = None
logger = logger_get_logger()
# Cannot run gunicorn on Windows
if _DEV or os.name == "nt":
logger.info("Running dev version")
import uvicorn
server_args = {
"workers": 1,
"log_level": "debug",
"reload": True,
"host": listen if listen else "0.0.0.0",
"port": port if port else 8080,
}
else:
import gunicorn.app.base
class StandaloneApplication(gunicorn.app.base.BaseApplication):
"""
This class supersedes gunicorn's class in order to load config before launching the app
"""
def __init__(self, app, options=None):
self.options = options or {}
self.application = app
super().__init__()
def load_config(self):
config = {
key: value
for key, value in self.options.items()
if key in self.cfg.settings and value is not None
}
for key, value in config.items():
self.cfg.set(key.lower(), value)
def load(self):
return self.application
server_args = {
"workers": (multiprocessing.cpu_count() * 2) + 1,
"bind": f"{listen}:{port}" if listen else "0.0.0.0:8080",
"worker_class": "uvicorn.workers.UvicornWorker",
}
try:
if _DEV or os.name == "nt":
uvicorn.run("upgrade_server.api:app", **server_args)
else:
StandaloneApplication(upgrade_server.api.app, server_args).run()
except KeyboardInterrupt as exc:
logger.error("Program interrupted by keyoard: {}".format(exc))
sys.exit(200)
except Exception as exc:
logger.error("Program interrupted by error: {}".format(exc))
logger.critical("Trace:", exc_info=True)
sys.exit(201)