mirror of
https://github.com/ClickHouse/ClickHouse.git
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127 lines
5.6 KiB
Python
127 lines
5.6 KiB
Python
import os
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import os.path as p
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import sys
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from helpers.cluster import ClickHouseCluster
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from helpers.network import PartitionManager
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from helpers.test_tools import TSV
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class ClickHouseClusterWithDDLHelpers(ClickHouseCluster):
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def __init__(self, base_path, config_dir):
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ClickHouseCluster.__init__(self, base_path)
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self.test_config_dir = config_dir
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def prepare(self, replace_hostnames_with_ips=True):
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try:
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main_configs_files = ["clusters.xml", "zookeeper_session_timeout.xml", "macro.xml", "query_log.xml",
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"ddl.xml"]
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main_configs = [os.path.join(self.test_config_dir, "config.d", f) for f in main_configs_files]
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user_configs = [os.path.join(self.test_config_dir, "users.d", f) for f in
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["restricted_user.xml", "query_log.xml"]]
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if self.test_config_dir == "configs_secure":
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main_configs += [os.path.join(self.test_config_dir, f) for f in
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["server.crt", "server.key", "dhparam.pem", "config.d/ssl_conf.xml"]]
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for i in range(4):
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self.add_instance(
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'ch{}'.format(i + 1),
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main_configs=main_configs,
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user_configs=user_configs,
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macros={"layer": 0, "shard": i // 2 + 1, "replica": i % 2 + 1},
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with_zookeeper=True)
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self.start()
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# Replace config files for testing ability to set host in DNS and IP formats
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if replace_hostnames_with_ips:
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self.replace_domains_to_ip_addresses_in_cluster_config(['ch1', 'ch3'])
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# Select sacrifice instance to test CONNECTION_LOSS and server fail on it
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sacrifice = self.instances['ch4']
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self.pm_random_drops = PartitionManager()
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self.pm_random_drops._add_rule(
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{'probability': 0.01, 'destination': sacrifice.ip_address, 'source_port': 2181,
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'action': 'REJECT --reject-with tcp-reset'})
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self.pm_random_drops._add_rule(
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{'probability': 0.01, 'source': sacrifice.ip_address, 'destination_port': 2181,
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'action': 'REJECT --reject-with tcp-reset'})
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# Initialize databases and service tables
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instance = self.instances['ch1']
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self.ddl_check_query(instance, """
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CREATE TABLE IF NOT EXISTS all_tables ON CLUSTER 'cluster_no_replicas'
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(database String, name String, engine String, metadata_modification_time DateTime)
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ENGINE = Distributed('cluster_no_replicas', 'system', 'tables')
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""")
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self.ddl_check_query(instance, "CREATE DATABASE IF NOT EXISTS test ON CLUSTER 'cluster'")
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except Exception as e:
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print(e)
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raise
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def sync_replicas(self, table, timeout=5):
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for instance in list(self.instances.values()):
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instance.query("SYSTEM SYNC REPLICA {}".format(table), timeout=timeout)
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def check_all_hosts_successfully_executed(self, tsv_content, num_hosts=None):
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if num_hosts is None:
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num_hosts = len(self.instances)
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M = TSV.toMat(tsv_content)
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hosts = [(l[0], l[1]) for l in M] # (host, port)
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codes = [l[2] for l in M]
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messages = [l[3] for l in M]
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assert len(hosts) == num_hosts and len(set(hosts)) == num_hosts, "\n" + tsv_content
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assert len(set(codes)) == 1, "\n" + tsv_content
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assert codes[0] == "0", "\n" + tsv_content
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def ddl_check_query(self, instance, query, num_hosts=None, settings=None):
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contents = instance.query(query, settings=settings)
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self.check_all_hosts_successfully_executed(contents, num_hosts)
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return contents
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def replace_domains_to_ip_addresses_in_cluster_config(self, instances_to_replace):
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clusters_config = open(p.join(self.base_dir, '{}/config.d/clusters.xml'.format(self.test_config_dir))).read()
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for inst_name, inst in list(self.instances.items()):
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clusters_config = clusters_config.replace(inst_name, str(inst.ip_address))
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for inst_name in instances_to_replace:
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inst = self.instances[inst_name]
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self.instances[inst_name].exec_in_container(
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['bash', '-c', 'echo "$NEW_CONFIG" > /etc/clickhouse-server/config.d/clusters.xml'],
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environment={"NEW_CONFIG": clusters_config}, privileged=True)
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# print cluster.instances[inst_name].exec_in_container(['cat', "/etc/clickhouse-server/config.d/clusters.xml"])
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@staticmethod
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def ddl_check_there_are_no_dublicates(instance):
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query = "SELECT max(c), argMax(q, c) FROM (SELECT lower(query) AS q, count() AS c FROM system.query_log WHERE type=2 AND q LIKE '/* ddl_entry=query-%' GROUP BY query)"
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rows = instance.query(query)
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assert len(rows) > 0 and rows[0][0] == "1", "dublicates on {} {}, query {}".format(instance.name,
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instance.ip_address, query)
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@staticmethod
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def insert_reliable(instance, query_insert):
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"""
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Make retries in case of UNKNOWN_STATUS_OF_INSERT or zkutil::KeeperException errors
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"""
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for i in range(100):
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try:
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instance.query(query_insert)
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return
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except Exception as e:
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last_exception = e
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s = str(e)
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if not (s.find('Unknown status, client must retry') >= 0 or s.find('zkutil::KeeperException')):
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raise e
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raise last_exception
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