mirror of https://github.com/zulip/zulip.git
91 lines
3.3 KiB
Python
91 lines
3.3 KiB
Python
import os
|
|
import time
|
|
from datetime import timedelta
|
|
from typing import Any, Dict
|
|
|
|
from django.core.management.base import BaseCommand
|
|
from django.utils.timezone import now as timezone_now
|
|
|
|
from analytics.lib.counts import COUNT_STATS, CountStat
|
|
from analytics.models import installation_epoch
|
|
from zerver.lib.timestamp import TimeZoneNotUTCException, floor_to_day, floor_to_hour, verify_UTC
|
|
from zerver.models import Realm
|
|
|
|
states = {
|
|
0: "OK",
|
|
1: "WARNING",
|
|
2: "CRITICAL",
|
|
3: "UNKNOWN",
|
|
}
|
|
|
|
|
|
class Command(BaseCommand):
|
|
help = """Checks FillState table.
|
|
|
|
Run as a cron job that runs every hour."""
|
|
|
|
def handle(self, *args: Any, **options: Any) -> None:
|
|
fill_state = self.get_fill_state()
|
|
status = fill_state["status"]
|
|
message = fill_state["message"]
|
|
|
|
state_file_path = "/var/lib/nagios_state/check-analytics-state"
|
|
state_file_tmp = state_file_path + "-tmp"
|
|
|
|
with open(state_file_tmp, "w") as f:
|
|
f.write(f"{int(time.time())}|{status}|{states[status]}|{message}\n")
|
|
os.rename(state_file_tmp, state_file_path)
|
|
|
|
def get_fill_state(self) -> Dict[str, Any]:
|
|
if not Realm.objects.exists():
|
|
return {"status": 0, "message": "No realms exist, so not checking FillState."}
|
|
|
|
warning_unfilled_properties = []
|
|
critical_unfilled_properties = []
|
|
for property, stat in COUNT_STATS.items():
|
|
last_fill = stat.last_successful_fill()
|
|
if last_fill is None:
|
|
last_fill = installation_epoch()
|
|
try:
|
|
verify_UTC(last_fill)
|
|
except TimeZoneNotUTCException:
|
|
return {"status": 2, "message": f"FillState not in UTC for {property}"}
|
|
|
|
if stat.frequency == CountStat.DAY:
|
|
floor_function = floor_to_day
|
|
warning_threshold = timedelta(hours=26)
|
|
critical_threshold = timedelta(hours=50)
|
|
else: # CountStat.HOUR
|
|
floor_function = floor_to_hour
|
|
warning_threshold = timedelta(minutes=90)
|
|
critical_threshold = timedelta(minutes=150)
|
|
|
|
if floor_function(last_fill) != last_fill:
|
|
return {
|
|
"status": 2,
|
|
"message": f"FillState not on {stat.frequency} boundary for {property}",
|
|
}
|
|
|
|
time_to_last_fill = timezone_now() - last_fill
|
|
if time_to_last_fill > critical_threshold:
|
|
critical_unfilled_properties.append(property)
|
|
elif time_to_last_fill > warning_threshold:
|
|
warning_unfilled_properties.append(property)
|
|
|
|
if len(critical_unfilled_properties) == 0 and len(warning_unfilled_properties) == 0:
|
|
return {"status": 0, "message": "FillState looks fine."}
|
|
if len(critical_unfilled_properties) == 0:
|
|
return {
|
|
"status": 1,
|
|
"message": "Missed filling {} once.".format(
|
|
", ".join(warning_unfilled_properties),
|
|
),
|
|
}
|
|
return {
|
|
"status": 2,
|
|
"message": "Missed filling {} once. Missed filling {} at least twice.".format(
|
|
", ".join(warning_unfilled_properties),
|
|
", ".join(critical_unfilled_properties),
|
|
),
|
|
}
|