salt/tests/pytests/scenarios/dns/multimaster/test_dns.py
Daniel A. Wozniak ddcfb2e183 Update docs for master dns changes
Update docs to use master_alive_interval to detect master ip changes via
DNS.
2024-04-25 10:16:46 -07:00

50 lines
1.7 KiB
Python

import logging
import subprocess
import time
import pytest
log = logging.getLogger(__name__)
@pytest.mark.skip_unless_on_linux
def test_multimaster_dns(
salt_mm_master_1,
salt_mm_minion_1,
mm_master_1_salt_cli,
etc_hosts,
caplog,
master_alive_interval,
):
"""
Verify a minion configured with multimaster hot/hot will pick up a master's
dns change if it's been disconnected.
"""
etc_hosts.write_text(
f"{etc_hosts.orig_text}\n172.16.0.1 master1.local master2.local"
)
log.info("Added hosts record for master1.local and master2.local")
with salt_mm_minion_1.started(start_timeout=180):
with caplog.at_level(logging.INFO):
ret = mm_master_1_salt_cli.run("test.ping", minion_tgt="mm-minion-1")
assert ret.returncode == 0
etc_hosts.write_text(
f"{etc_hosts.orig_text}\n127.0.0.1 master1.local master2.local"
)
log.info("Changed hosts record for master1.local and master2.local")
subprocess.check_output(["ip", "addr", "del", "172.16.0.1/32", "dev", "lo"])
log.info("Removed secondary master IP address.")
# Wait for the minion's master_alive_interval, adding a second for
# reliablity.
time.sleep(master_alive_interval + 1)
assert (
"Master ip address changed from 172.16.0.1 to 127.0.0.1" in caplog.text
)
ret = mm_master_1_salt_cli.run("test.ping", minion_tgt="mm-minion-1")
assert ret.returncode == 0
assert (
"Master ip address changed from 172.16.0.1 to 127.0.0.1" in caplog.text
)