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33 lines
1.3 KiB
Python
33 lines
1.3 KiB
Python
import logging
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import subprocess
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import time
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import pytest
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log = logging.getLogger(__name__)
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@pytest.mark.skip_unless_on_linux
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def test_dns_change(master, minion, salt_cli, etc_hosts, caplog, master_alive_interval):
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"""
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Verify a minion will pick up a master's dns change if it's been disconnected.
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"""
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etc_hosts.write_text(f"{etc_hosts.orig_text}\n172.16.0.1 master.local")
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with minion.started(start_timeout=180):
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with caplog.at_level(logging.INFO):
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ret = salt_cli.run("test.ping", minion_tgt="minion")
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assert ret.returncode == 0
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etc_hosts.write_text(f"{etc_hosts.orig_text}\n127.0.0.1 master.local")
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log.info("Changed hosts record for master1.local and master2.local")
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subprocess.check_output(["ip", "addr", "del", "172.16.0.1/32", "dev", "lo"])
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log.info("Removed secondary master IP address.")
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# Wait for the minion's master_alive_interval, adding a second for
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# reliablity.
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time.sleep(master_alive_interval + 1)
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assert (
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"Master ip address changed from 172.16.0.1 to 127.0.0.1" in caplog.text
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)
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ret = salt_cli.run("test.ping", minion_tgt="minion")
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assert ret.returncode == 0
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