mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-21 09:10:48 +00:00
207 lines
8.4 KiB
Python
207 lines
8.4 KiB
Python
import os
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import os.path as p
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import sys
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import time
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import datetime
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import pytest
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from contextlib import contextmanager
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import docker
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from kazoo.client import KazooClient
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CURRENT_TEST_DIR = os.path.dirname(os.path.abspath(__file__))
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sys.path.insert(0, os.path.dirname(CURRENT_TEST_DIR))
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import TSV
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COPYING_FAIL_PROBABILITY = 0.33
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cluster = None
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def check_all_hosts_sucesfully_executed(tsv_content, num_hosts):
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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(instance, query, num_hosts=3):
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contents = instance.query(query)
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check_all_hosts_sucesfully_executed(contents, num_hosts)
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return contents
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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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clusters_schema = {
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"0" : {
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"0" : ["0", "1"],
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"1" : ["0"]
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},
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"1" : {
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"0" : ["0", "1"],
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"1" : ["0"]
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}
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}
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cluster = ClickHouseCluster(__file__)
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for cluster_name, shards in clusters_schema.iteritems():
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for shard_name, replicas in shards.iteritems():
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for replica_name in replicas:
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name = "s{}_{}_{}".format(cluster_name, shard_name, replica_name)
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cluster.add_instance(name,
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config_dir="configs",
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macroses={"cluster": cluster_name, "shard": shard_name, "replica": replica_name},
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with_zookeeper=True)
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cluster.start()
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yield cluster
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finally:
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pass
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cluster.shutdown()
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class Task1:
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def __init__(self, cluster):
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self.cluster = cluster
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self.zk_task_path="/clickhouse-copier/task_simple"
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self.copier_task_config = open(os.path.join(CURRENT_TEST_DIR, 'task0_description.xml'), 'r').read()
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def start(self):
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instance = cluster.instances['s0_0_0']
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for cluster_num in ["0", "1"]:
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ddl_check_query(instance, "DROP DATABASE IF EXISTS default ON CLUSTER cluster{}".format(cluster_num))
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ddl_check_query(instance, "CREATE DATABASE IF NOT EXISTS default ON CLUSTER cluster{}".format(cluster_num))
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ddl_check_query(instance, "CREATE TABLE hits ON CLUSTER cluster0 (d UInt64, d1 UInt64 MATERIALIZED d+1) ENGINE=ReplicatedMergeTree('/clickhouse/tables/cluster_{cluster}/{shard}/hits', '{replica}') PARTITION BY d % 3 ORDER BY d SETTINGS index_granularity = 16")
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ddl_check_query(instance, "CREATE TABLE hits_all ON CLUSTER cluster0 (d UInt64) ENGINE=Distributed(cluster0, default, hits, d)")
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ddl_check_query(instance, "CREATE TABLE hits_all ON CLUSTER cluster1 (d UInt64) ENGINE=Distributed(cluster1, default, hits, d + 1)")
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instance.query("INSERT INTO hits_all SELECT * FROM system.numbers LIMIT 1002", settings={"insert_distributed_sync": 1})
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def check(self):
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assert TSV(self.cluster.instances['s0_0_0'].query("SELECT count() FROM hits_all")) == TSV("1002\n")
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assert TSV(self.cluster.instances['s1_0_0'].query("SELECT count() FROM hits_all")) == TSV("1002\n")
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assert TSV(self.cluster.instances['s1_0_0'].query("SELECT DISTINCT d % 2 FROM hits")) == TSV("1\n")
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assert TSV(self.cluster.instances['s1_1_0'].query("SELECT DISTINCT d % 2 FROM hits")) == TSV("0\n")
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instance = self.cluster.instances['s0_0_0']
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ddl_check_query(instance, "DROP TABLE hits_all ON CLUSTER cluster0")
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ddl_check_query(instance, "DROP TABLE hits_all ON CLUSTER cluster1")
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ddl_check_query(instance, "DROP TABLE hits ON CLUSTER cluster0")
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ddl_check_query(instance, "DROP TABLE hits ON CLUSTER cluster1")
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class Task2:
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def __init__(self, cluster):
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self.cluster = cluster
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self.zk_task_path="/clickhouse-copier/task_month_to_week_partition"
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self.copier_task_config = open(os.path.join(CURRENT_TEST_DIR, 'task_month_to_week_description.xml'), 'r').read()
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def start(self):
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instance = cluster.instances['s0_0_0']
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for cluster_num in ["0", "1"]:
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ddl_check_query(instance, "DROP DATABASE IF EXISTS default ON CLUSTER cluster{}".format(cluster_num))
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ddl_check_query(instance, "CREATE DATABASE IF NOT EXISTS default ON CLUSTER cluster{}".format(cluster_num))
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ddl_check_query(instance, "CREATE TABLE a ON CLUSTER cluster0 (date Date, d UInt64, d1 UInt64 ALIAS d+1) ENGINE=ReplicatedMergeTree('/clickhouse/tables/cluster_{cluster}/{shard}/a', '{replica}', date, intHash64(d), (date, intHash64(d)), 8192)")
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ddl_check_query(instance, "CREATE TABLE a_all ON CLUSTER cluster0 (date Date, d UInt64) ENGINE=Distributed(cluster0, default, a, d)")
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instance.query("INSERT INTO a_all SELECT toDate(17581 + number) AS date, number AS d FROM system.numbers LIMIT 85", settings={"insert_distributed_sync": 1})
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def check(self):
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assert TSV(self.cluster.instances['s0_0_0'].query("SELECT count() FROM cluster(cluster0, default, a)")) == TSV("85\n")
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assert TSV(self.cluster.instances['s1_0_0'].query("SELECT count(), uniqExact(date) FROM cluster(cluster1, default, b)")) == TSV("85\t85\n")
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assert TSV(self.cluster.instances['s1_0_0'].query("SELECT DISTINCT jumpConsistentHash(intHash64(d), 2) FROM b")) == TSV("0\n")
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assert TSV(self.cluster.instances['s1_1_0'].query("SELECT DISTINCT jumpConsistentHash(intHash64(d), 2) FROM b")) == TSV("1\n")
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assert TSV(self.cluster.instances['s1_0_0'].query("SELECT uniqExact(partition) IN (12, 13) FROM system.parts WHERE active AND database='default' AND table='b'")) == TSV("1\n")
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assert TSV(self.cluster.instances['s1_1_0'].query("SELECT uniqExact(partition) IN (12, 13) FROM system.parts WHERE active AND database='default' AND table='b'")) == TSV("1\n")
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instance = cluster.instances['s0_0_0']
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ddl_check_query(instance, "DROP TABLE a ON CLUSTER cluster0")
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ddl_check_query(instance, "DROP TABLE b ON CLUSTER cluster1")
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def execute_task(task, cmd_options):
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task.start()
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zk = cluster.get_kazoo_client('zoo1')
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print "Use ZooKeeper server: {}:{}".format(zk.hosts[0][0], zk.hosts[0][1])
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zk_task_path = task.zk_task_path
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zk.ensure_path(zk_task_path)
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zk.create(zk_task_path + "/description", task.copier_task_config)
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# Run cluster-copier processes on each node
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docker_api = docker.from_env().api
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copiers_exec_ids = []
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cmd = ['/usr/bin/clickhouse', 'copier',
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'--config', '/etc/clickhouse-server/config-preprocessed.xml',
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'--task-path', zk_task_path,
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'--base-dir', '/var/log/clickhouse-server/copier']
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cmd += cmd_options
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for instance_name, instance in cluster.instances.iteritems():
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container = instance.get_docker_handle()
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exec_id = docker_api.exec_create(container.id, cmd, stderr=True)
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docker_api.exec_start(exec_id, detach=True)
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copiers_exec_ids.append(exec_id)
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print "Copier for {} ({}) has started".format(instance.name, instance.ip_address)
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# Wait for copiers stopping and check their return codes
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for exec_id, instance in zip(copiers_exec_ids, cluster.instances.itervalues()):
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while True:
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res = docker_api.exec_inspect(exec_id)
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if not res['Running']:
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break
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time.sleep(1)
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assert res['ExitCode'] == 0, "Instance: {} ({}). Info: {}".format(instance.name, instance.ip_address, repr(res))
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try:
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task.check()
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finally:
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zk.delete(zk_task_path, recursive=True)
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# Tests
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def test_copy1_simple(started_cluster):
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execute_task(Task1(started_cluster), [])
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def test_copy1_with_recovering(started_cluster):
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execute_task(Task1(started_cluster), ['--copy-fault-probability', str(COPYING_FAIL_PROBABILITY)])
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def test_copy_month_to_week_partition(started_cluster):
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execute_task(Task2(started_cluster), [])
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def test_copy_month_to_week_partition_with_recovering(started_cluster):
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execute_task(Task2(started_cluster), ['--copy-fault-probability', str(0.3)])
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if __name__ == '__main__':
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with contextmanager(started_cluster)() as cluster:
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for name, instance in cluster.instances.items():
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print name, instance.ip_address
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raw_input("Cluster created, press any key to destroy...")
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