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authentik/passbook/lib/management/commands/bootstrap.py

55 lines
1.7 KiB
Python

"""passbook management command to bootstrap"""
from argparse import REMAINDER
from sys import exit as _exit
from time import sleep
from django.core.management.base import BaseCommand
from django.db import connection
from django.db.utils import OperationalError
from django_redis import get_redis_connection
from redis.exceptions import ConnectionError as RedisConnectionError
from structlog import get_logger
LOGGER = get_logger()
class Command(BaseCommand):
"""Bootstrap passbook, ensure Database and Cache are
reachable, and directories are writeable"""
help = """Bootstrap passbook, ensure Database and Cache are
reachable, and directories are writeable"""
def add_arguments(self, parser):
parser.add_argument("command", nargs=REMAINDER)
def check_database(self) -> bool:
"""Return true if database is reachable, false otherwise"""
try:
connection.cursor()
LOGGER.info("Database reachable")
return True
except OperationalError:
LOGGER.info("Database unreachable")
return False
def check_cache(self) -> bool:
"""Return true if cache is reachable, false otherwise"""
try:
con = get_redis_connection("default")
con.ping()
LOGGER.info("Cache reachable")
return True
except RedisConnectionError:
LOGGER.info("Cache unreachable")
return False
def handle(self, *args, **options):
LOGGER.info("passbook bootstrapping...")
should_check = True
while should_check:
should_check = not (self.check_database() and self.check_cache())
sleep(1)
LOGGER.info("Dependencies are up, exiting...")
_exit(0)