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The old name "common" clashes with the convention of system test directory naming. It appears as a system test directory, but it only contains helper files. To reduce confusion and to allow automatic detection of issues with possibly missing test files, rename the helper directory to "_common". The leading underscore indicates the directory is different and the its name can no longer be confused with regular system test directories.
79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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#
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# SPDX-License-Identifier: MPL-2.0
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at https://mozilla.org/MPL/2.0/.
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#
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# See the COPYRIGHT file distributed with this work for additional
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# information regarding copyright ownership.
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import concurrent.futures
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import os
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import subprocess
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import time
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import dns.query
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import dns.update
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def rndc_loop(test_state, server):
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rndc = os.getenv("RNDC")
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port = os.getenv("CONTROLPORT")
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cmdline = [
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rndc,
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"-c",
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"../_common/rndc.conf",
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"-p",
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port,
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"-s",
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server,
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"reload",
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]
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while not test_state["finished"]:
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subprocess.run(cmdline, check=False)
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time.sleep(1)
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def update_zone(test_state, zone, named_port, logger):
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server = "10.53.0.2"
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for i in range(1000):
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if test_state["finished"]:
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return
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update = dns.update.UpdateMessage(zone)
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update.add(f"dynamic-{i}.{zone}", 300, "TXT", f"txt-{i}")
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try:
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response = dns.query.udp(update, server, 10, named_port)
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assert response.rcode() == dns.rcode.NOERROR
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except dns.exception.Timeout:
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logger.info(f"error: query timeout for {zone}")
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logger.info(f"Update of {server} zone {zone} successful")
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# If the test has run to completion without named crashing, it has succeeded.
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def test_update_stress(named_port, logger):
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test_state = {"finished": False}
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with concurrent.futures.ThreadPoolExecutor() as executor:
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executor.submit(rndc_loop, test_state, "10.53.0.3")
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updaters = []
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for i in range(5):
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zone = f"zone00000{i}.example."
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updaters.append(
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executor.submit(update_zone, test_state, zone, named_port, logger)
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)
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# All the update_zone() tasks are expected to complete within 5
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# minutes. If they do not, we cannot assert immediately as that will
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# cause the ThreadPoolExecutor context manager to wait indefinitely;
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# instead, we first signal all tasks that it is time to exit and only
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# check whether any task failed to finish within 5 minutes outside of
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# the ThreadPoolExecutor context manager.
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unfinished_tasks = concurrent.futures.wait(updaters, timeout=300).not_done
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test_state["finished"] = True
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assert not unfinished_tasks
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