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73 lines
1.7 KiB
Python
73 lines
1.7 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster
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cluster = ClickHouseCluster(__file__)
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@pytest.fixture(scope="module")
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def cluster_without_dns_cache_update():
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try:
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cluster.start()
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yield cluster
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except Exception as ex:
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print(ex)
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finally:
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cluster.shutdown()
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pass
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node1 = cluster.add_instance(
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"node1",
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main_configs=["configs/listen_host.xml"],
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user_configs=["configs/enable_hedged.xml"],
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with_zookeeper=True,
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ipv4_address="10.5.95.11",
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)
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node2 = cluster.add_instance(
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"node2",
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main_configs=["configs/listen_host.xml"],
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user_configs=["configs/enable_hedged.xml"],
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with_zookeeper=True,
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ipv4_address="10.5.95.12",
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)
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# node1 - source with table, have invalid ipv6
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# node2 - destination, doing remote query
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def test(cluster_without_dns_cache_update):
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node1.query(
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"CREATE TABLE test(t Date, label UInt8) ENGINE = MergeTree PARTITION BY t ORDER BY label;"
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)
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node1.query("INSERT INTO test SELECT toDate('2022-12-28'), 1;")
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assert node1.query("SELECT count(*) FROM test") == "1\n"
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wrong_ip = "2001:3984:3989::1:1118"
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node2.exec_in_container(
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(["bash", "-c", "echo '{} {}' >> /etc/hosts".format(wrong_ip, node1.name)])
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)
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node2.exec_in_container(
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(
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[
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"bash",
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"-c",
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"echo '{} {}' >> /etc/hosts".format(node1.ipv4_address, node1.name),
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]
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)
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)
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assert node1.query("SELECT count(*) from test") == "1\n"
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node2.query("SYSTEM DROP DNS CACHE")
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node1.query("SYSTEM DROP DNS CACHE")
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assert (
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node2.query(
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f"SELECT count(*) FROM remote('{node1.name}', default.test) limit 1;"
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)
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== "1\n"
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)
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