晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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"""Notify systemd about process state"""
import logging
import os
from defence360agent.contracts.config import ANTIVIRUS_MODE
logger = logging.getLogger(__name__)
class AgentState(object):
"""Allowed agent state for notifying systemd."""
READY = "READY=1"
STARTING = "STATUS=Starting main process"
MIGRATING = "STATUS=Applying database migrations"
DAEMONIZED = "STATUS=Demonized"
def notify(state):
"""
Send notification to systemd, allowed formats described here
https://www.freedesktop.org/software/systemd/man/sd_notify.html
For example:
notify("STATUS=Almost ready")
"""
if ANTIVIRUS_MODE:
return
try:
import sdnotify
# We've made this import inside function deliberately because some
# systems don't have systemd and stdnotify thus
except ImportError as e:
logger.info("Can't import sdnotify, reason: %s", e)
else:
if "NOTIFY_SOCKET" not in os.environ:
logger.warning(
"$NOTIFY_SOCKET environment variable is not set. It is set by"
" service manager for supervised processes for status and"
" start-up completion notification. Nowhere to send the"
" status."
)
else:
try:
n = sdnotify.SystemdNotifier(debug=True)
n.notify(state)
except Exception as e: # NOSONAR
logger.exception(
"some problem has occurred during notifying of"
" systemd: %s",
e,
)