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# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
from datetime import datetime, timedelta
import os
# ISO datetime format without msec
fmt = "%Y-%m-%dT%H:%M:%SZ"
# The constants were taken from BIND 9 source code (lib/dns/zone.c)
max_refresh = timedelta(seconds=2419200) # 4 weeks
max_expires = timedelta(seconds=14515200) # 24 weeks
now = datetime.utcnow().replace(microsecond=0)
dayzero = datetime.utcfromtimestamp(0).replace(microsecond=0)
# Generic helper functions
def check_expires(expires, min_time, max_time):
assert expires >= min_time
assert expires <= max_time
def check_refresh(refresh, min_time, max_time):
assert refresh >= min_time
assert refresh <= max_time
def check_loaded(loaded, expected):
# Sanity check the zone timers values
assert loaded == expected
assert loaded < now
def check_zone_timers(loaded, expires, refresh, loaded_exp):
# Sanity checks the zone timers values
if expires is not None:
check_expires(expires, now, now + max_expires)
if refresh is not None:
check_refresh(refresh, now, now + max_refresh)
check_loaded(loaded, loaded_exp)
#
# The output is gibberish, but at least make sure it does not crash.
#
def check_manykeys(name, zone=None):
# pylint: disable=unused-argument
assert name == "manykeys"
def zone_mtime(zonedir, name):
try:
si = os.stat(os.path.join(zonedir, "{}.db".format(name)))
except FileNotFoundError:
return dayzero
mtime = datetime.utcfromtimestamp(si.st_mtime).replace(microsecond=0)
return mtime
def test_zone_timers_primary(fetch_zones, load_timers, **kwargs):
statsip = kwargs["statsip"]
statsport = kwargs["statsport"]
zonedir = kwargs["zonedir"]
zones = fetch_zones(statsip, statsport)
for zone in zones:
(name, loaded, expires, refresh) = load_timers(zone, True)
mtime = zone_mtime(zonedir, name)
check_zone_timers(loaded, expires, refresh, mtime)
def test_zone_timers_secondary(fetch_zones, load_timers, **kwargs):
statsip = kwargs["statsip"]
statsport = kwargs["statsport"]
zonedir = kwargs["zonedir"]
zones = fetch_zones(statsip, statsport)
for zone in zones:
(name, loaded, expires, refresh) = load_timers(zone, False)
mtime = zone_mtime(zonedir, name)
check_zone_timers(loaded, expires, refresh, mtime)
def test_zone_with_many_keys(fetch_zones, load_zone, **kwargs):
statsip = kwargs["statsip"]
statsport = kwargs["statsport"]
zones = fetch_zones(statsip, statsport)
for zone in zones:
name = load_zone(zone)
if name == "manykeys":
check_manykeys(name)
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