mirror of
https://github.com/ClickHouse/ClickHouse.git
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183 lines
6.8 KiB
Python
183 lines
6.8 KiB
Python
import os
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import sys
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import time
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import random
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import string
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from helpers.cluster import ClickHouseCluster
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from helpers.test_tools import TSV
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import kazoo
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import pytest
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import docker
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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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COPYING_FAIL_PROBABILITY = 0.1
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MOVING_FAIL_PROBABILITY = 0.1
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cluster = ClickHouseCluster(__file__, name='copier_test_trivial')
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def generateRandomString(count):
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return ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(count))
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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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for name in ["first_trivial", "second_trivial"]:
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instance = cluster.add_instance(name,
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main_configs=["configs/conf.d/clusters_trivial.xml"],
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user_configs=["configs_two_nodes/users.xml"],
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macros={"cluster" : name, "shard" : "the_only_shard", "replica" : "the_only_replica"},
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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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cluster.shutdown()
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class TaskTrivial:
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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_trivial"
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self.copier_task_config = open(os.path.join(CURRENT_TEST_DIR, 'task_trivial.xml'), 'r').read()
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def start(self):
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source = cluster.instances['first_trivial']
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destination = cluster.instances['second_trivial']
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for node in [source, destination]:
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node.query("DROP DATABASE IF EXISTS default")
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node.query("CREATE DATABASE IF NOT EXISTS default")
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source.query("CREATE TABLE trivial (d UInt64, d1 UInt64 MATERIALIZED d+1)"
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"ENGINE=ReplicatedMergeTree('/clickhouse/tables/source_trivial_cluster/1/trivial/{}', '1') "
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"PARTITION BY d % 5 ORDER BY (d, sipHash64(d)) SAMPLE BY sipHash64(d) SETTINGS index_granularity = 16".format(generateRandomString(10)))
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source.query("INSERT INTO trivial SELECT * FROM system.numbers LIMIT 1002",
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settings={"insert_distributed_sync": 1})
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def check(self):
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zk = cluster.get_kazoo_client('zoo1')
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status_data, _ = zk.get(self.zk_task_path + "/status")
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assert status_data == b'{"hits":{"all_partitions_count":5,"processed_partitions_count":5}}'
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source = cluster.instances['first_trivial']
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destination = cluster.instances['second_trivial']
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assert TSV(source.query("SELECT count() FROM trivial")) == TSV("1002\n")
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assert TSV(destination.query("SELECT count() FROM trivial")) == TSV("1002\n")
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for node in [source, destination]:
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node.query("DROP TABLE trivial")
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class TaskReplicatedWithoutArguments:
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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_trivial_without_arguments"
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self.copier_task_config = open(os.path.join(CURRENT_TEST_DIR, 'task_trivial_without_arguments.xml'), 'r').read()
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def start(self):
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source = cluster.instances['first_trivial']
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destination = cluster.instances['second_trivial']
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for node in [source, destination]:
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node.query("DROP DATABASE IF EXISTS default")
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node.query("CREATE DATABASE IF NOT EXISTS default")
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source.query("CREATE TABLE trivial_without_arguments ON CLUSTER source_trivial_cluster (d UInt64, d1 UInt64 MATERIALIZED d+1) "
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"ENGINE=ReplicatedMergeTree() "
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"PARTITION BY d % 5 ORDER BY (d, sipHash64(d)) SAMPLE BY sipHash64(d) SETTINGS index_granularity = 16")
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source.query("INSERT INTO trivial_without_arguments SELECT * FROM system.numbers LIMIT 1002",
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settings={"insert_distributed_sync": 1})
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def check(self):
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zk = cluster.get_kazoo_client('zoo1')
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status_data, _ = zk.get(self.zk_task_path + "/status")
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assert status_data == b'{"hits":{"all_partitions_count":5,"processed_partitions_count":5}}'
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source = cluster.instances['first_trivial']
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destination = cluster.instances['second_trivial']
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assert TSV(source.query("SELECT count() FROM trivial_without_arguments")) == TSV("1002\n")
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assert TSV(destination.query("SELECT count() FROM trivial_without_arguments")) == TSV("1002\n")
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for node in [source, destination]:
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node.query("DROP TABLE trivial_without_arguments")
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def execute_task(started_cluster, task, cmd_options):
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task.start()
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zk = started_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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try:
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zk.delete("/clickhouse-copier", recursive=True)
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except kazoo.exceptions.NoNodeError:
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print("No node /clickhouse-copier. It is Ok in first test.")
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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.encode())
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# Run cluster-copier processes on each node
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docker_api = started_cluster.docker_client.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-copier.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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copiers = list(started_cluster.instances.keys())
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for instance_name in copiers:
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instance = started_cluster.instances[instance_name]
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container = instance.get_docker_handle()
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instance.copy_file_to_container(os.path.join(CURRENT_TEST_DIR, "configs/config-copier.xml"),
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"/etc/clickhouse-server/config-copier.xml")
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print("Copied copier config to {}".format(instance.name))
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exec_id = docker_api.exec_create(container.id, cmd, stderr=True)
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output = docker_api.exec_start(exec_id).decode('utf8')
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print(output)
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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_name in zip(copiers_exec_ids, copiers):
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instance = started_cluster.instances[instance_name]
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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(0.5)
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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_trivial_copy(started_cluster):
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execute_task(started_cluster, TaskTrivial(started_cluster), [])
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def test_trivial_without_arguments(started_cluster):
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execute_task(started_cluster, TaskReplicatedWithoutArguments(started_cluster), [])
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