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51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
import pytest
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from helpers.cluster import ClickHouseCluster, get_docker_compose_path, run_and_check
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from time import sleep
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import os
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DOCKER_COMPOSE_PATH = get_docker_compose_path()
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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cluster = ClickHouseCluster(__file__)
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ch_server = cluster.add_instance(
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"clickhouse-server",
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with_coredns=True,
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main_configs=[
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"configs/config.xml",
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"configs/reverse_dns_function.xml",
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"configs/listen_host.xml",
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],
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)
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@pytest.fixture(scope="module")
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def started_cluster():
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global cluster
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try:
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cluster.start()
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yield cluster
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finally:
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cluster.shutdown()
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def setup_ch_server(dns_server_ip):
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ch_server.exec_in_container(
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(["bash", "-c", f"echo 'nameserver {dns_server_ip}' > /etc/resolv.conf"])
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)
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ch_server.exec_in_container(
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(["bash", "-c", "echo 'options ndots:0' >> /etc/resolv.conf"])
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)
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ch_server.query("SYSTEM DROP DNS CACHE")
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def test_reverse_dns_query(started_cluster):
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dns_server_ip = cluster.get_instance_ip(cluster.coredns_host)
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setup_ch_server(dns_server_ip)
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for _ in range(0, 200):
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response = ch_server.query("select reverseDNSQuery('2001:4860:4860::8888')")
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assert response == "['dns.google']\n"
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