mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-19 06:01:57 +00:00
372 lines
15 KiB
Python
372 lines
15 KiB
Python
import os
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import logging
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import random
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import string
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import time
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import pytest
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from helpers.cluster import ClickHouseCluster
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logging.getLogger().setLevel(logging.INFO)
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logging.getLogger().addHandler(logging.StreamHandler())
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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CONFIG_PATH = os.path.join(SCRIPT_DIR, './_instances/node_not_restorable/configs/config.d/storage_conf_not_restorable.xml')
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def replace_config(old, new):
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config = open(CONFIG_PATH, 'r')
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config_lines = config.readlines()
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config.close()
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config_lines = [line.replace(old, new) for line in config_lines]
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config = open(CONFIG_PATH, 'w')
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config.writelines(config_lines)
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config.close()
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@pytest.fixture(scope="module")
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def cluster():
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try:
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cluster = ClickHouseCluster(__file__)
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cluster.add_instance("node", main_configs=[
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"configs/config.d/storage_conf.xml",
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"configs/config.d/bg_processing_pool_conf.xml",
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"configs/config.d/log_conf.xml"], user_configs=[], with_minio=True, stay_alive=True)
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cluster.add_instance("node_another_bucket", main_configs=[
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"configs/config.d/storage_conf_another_bucket.xml",
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"configs/config.d/bg_processing_pool_conf.xml",
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"configs/config.d/log_conf.xml"], user_configs=[], stay_alive=True)
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cluster.add_instance("node_another_bucket_path", main_configs=[
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"configs/config.d/storage_conf_another_bucket_path.xml",
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"configs/config.d/bg_processing_pool_conf.xml",
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"configs/config.d/log_conf.xml"], user_configs=[], stay_alive=True)
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cluster.add_instance("node_not_restorable", main_configs=[
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"configs/config.d/storage_conf_not_restorable.xml",
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"configs/config.d/bg_processing_pool_conf.xml",
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"configs/config.d/log_conf.xml"], user_configs=[], stay_alive=True)
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logging.info("Starting cluster...")
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cluster.start()
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logging.info("Cluster started")
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yield cluster
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finally:
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cluster.shutdown()
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def random_string(length):
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letters = string.ascii_letters
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return ''.join(random.choice(letters) for i in range(length))
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def generate_values(date_str, count, sign=1):
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data = [[date_str, sign * (i + 1), random_string(10)] for i in range(count)]
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data.sort(key=lambda tup: tup[1])
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return ",".join(["('{}',{},'{}',{})".format(x, y, z, 0) for x, y, z in data])
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def create_table(node, table_name, additional_settings=None):
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node.query("CREATE DATABASE IF NOT EXISTS s3 ENGINE = Ordinary")
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create_table_statement = """
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CREATE TABLE s3.{} (
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dt Date,
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id Int64,
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data String,
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counter Int64,
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INDEX min_max (id) TYPE minmax GRANULARITY 3
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) ENGINE=MergeTree()
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PARTITION BY dt
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ORDER BY (dt, id)
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SETTINGS
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storage_policy='s3',
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old_parts_lifetime=600,
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index_granularity=512
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""".format(table_name)
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if additional_settings:
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create_table_statement += ","
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create_table_statement += additional_settings
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node.query(create_table_statement)
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def purge_s3(cluster, bucket):
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minio = cluster.minio_client
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for obj in list(minio.list_objects(bucket, recursive=True)):
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if str(obj.object_name).find(".SCHEMA_VERSION") != -1:
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continue
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minio.remove_object(bucket, obj.object_name)
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def drop_s3_metadata(node):
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node.exec_in_container(['bash', '-c', 'rm -rf /var/lib/clickhouse/disks/s3/*'], user='root')
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def drop_shadow_information(node):
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node.exec_in_container(['bash', '-c', 'rm -rf /var/lib/clickhouse/shadow/*'], user='root')
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def create_restore_file(node, revision=0, bucket=None, path=None):
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add_restore_option = 'echo -en "{}\n" >> /var/lib/clickhouse/disks/s3/restore'
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node.exec_in_container(['bash', '-c', add_restore_option.format(revision)], user='root')
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if bucket:
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node.exec_in_container(['bash', '-c', add_restore_option.format(bucket)], user='root')
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if path:
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node.exec_in_container(['bash', '-c', add_restore_option.format(path)], user='root')
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def get_revision_counter(node, backup_number):
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return int(node.exec_in_container(['bash', '-c', 'cat /var/lib/clickhouse/disks/s3/shadow/{}/revision.txt'.format(backup_number)], user='root'))
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@pytest.fixture(autouse=True)
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def drop_table(cluster):
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yield
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node_names = ["node", "node_another_bucket", "node_another_bucket_path", "node_not_restorable"]
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for node_name in node_names:
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node = cluster.instances[node_name]
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node.query("DROP TABLE IF EXISTS s3.test NO DELAY")
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drop_s3_metadata(node)
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drop_shadow_information(node)
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buckets = [cluster.minio_bucket, cluster.minio_bucket_2]
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for bucket in buckets:
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purge_s3(cluster, bucket)
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def test_full_restore(cluster):
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node = cluster.instances["node"]
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create_table(node, "test")
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-04', 4096, -1)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-05', 4096)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-05', 4096, -1)))
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# To ensure parts have merged
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node.query("OPTIMIZE TABLE s3.test")
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assert node.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 4)
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assert node.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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node.stop_clickhouse()
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drop_s3_metadata(node)
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node.start_clickhouse()
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# All data is removed.
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assert node.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(0)
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node.stop_clickhouse()
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create_restore_file(node)
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node.start_clickhouse(10)
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assert node.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 4)
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assert node.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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def test_restore_another_bucket_path(cluster):
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node = cluster.instances["node"]
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create_table(node, "test")
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-04', 4096, -1)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-05', 4096)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-05', 4096, -1)))
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# To ensure parts have merged
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node.query("OPTIMIZE TABLE s3.test")
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assert node.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 4)
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assert node.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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node_another_bucket = cluster.instances["node_another_bucket"]
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create_table(node_another_bucket, "test")
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node_another_bucket.stop_clickhouse()
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create_restore_file(node_another_bucket, bucket="root")
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node_another_bucket.start_clickhouse(10)
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assert node_another_bucket.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 4)
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assert node_another_bucket.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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node_another_bucket_path = cluster.instances["node_another_bucket_path"]
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create_table(node_another_bucket_path, "test")
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node_another_bucket_path.stop_clickhouse()
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create_restore_file(node_another_bucket_path, bucket="root2", path="data")
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node_another_bucket_path.start_clickhouse(10)
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assert node_another_bucket_path.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 4)
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assert node_another_bucket_path.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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def test_restore_different_revisions(cluster):
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node = cluster.instances["node"]
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create_table(node, "test")
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-04', 4096, -1)))
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node.query("ALTER TABLE s3.test FREEZE")
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revision1 = get_revision_counter(node, 1)
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-05', 4096)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-05', 4096, -1)))
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node.query("ALTER TABLE s3.test FREEZE")
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revision2 = get_revision_counter(node, 2)
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# To ensure parts have merged
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node.query("OPTIMIZE TABLE s3.test")
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node.query("ALTER TABLE s3.test FREEZE")
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revision3 = get_revision_counter(node, 3)
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assert node.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 4)
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assert node.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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assert node.query("SELECT count(*) from system.parts where table = 'test'") == '5\n'
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node_another_bucket = cluster.instances["node_another_bucket"]
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create_table(node_another_bucket, "test")
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# Restore to revision 1 (2 parts).
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node_another_bucket.stop_clickhouse()
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drop_s3_metadata(node_another_bucket)
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purge_s3(cluster, cluster.minio_bucket_2)
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create_restore_file(node_another_bucket, revision=revision1, bucket="root")
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node_another_bucket.start_clickhouse(10)
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assert node_another_bucket.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 2)
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assert node_another_bucket.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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assert node_another_bucket.query("SELECT count(*) from system.parts where table = 'test'") == '2\n'
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# Restore to revision 2 (4 parts).
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node_another_bucket.stop_clickhouse()
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drop_s3_metadata(node_another_bucket)
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purge_s3(cluster, cluster.minio_bucket_2)
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create_restore_file(node_another_bucket, revision=revision2, bucket="root")
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node_another_bucket.start_clickhouse(10)
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assert node_another_bucket.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 4)
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assert node_another_bucket.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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assert node_another_bucket.query("SELECT count(*) from system.parts where table = 'test'") == '4\n'
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# Restore to revision 3 (4 parts + 1 merged).
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node_another_bucket.stop_clickhouse()
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drop_s3_metadata(node_another_bucket)
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purge_s3(cluster, cluster.minio_bucket_2)
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create_restore_file(node_another_bucket, revision=revision3, bucket="root")
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node_another_bucket.start_clickhouse(10)
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assert node_another_bucket.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 4)
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assert node_another_bucket.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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assert node_another_bucket.query("SELECT count(*) from system.parts where table = 'test'") == '5\n'
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def test_restore_mutations(cluster):
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node = cluster.instances["node"]
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create_table(node, "test")
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-03', 4096, -1)))
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node.query("ALTER TABLE s3.test FREEZE")
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revision_before_mutation = get_revision_counter(node, 1)
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node.query("ALTER TABLE s3.test UPDATE counter = 1 WHERE 1", settings={"mutations_sync": 2})
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node.query("ALTER TABLE s3.test FREEZE")
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revision_after_mutation = get_revision_counter(node, 2)
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node_another_bucket = cluster.instances["node_another_bucket"]
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create_table(node_another_bucket, "test")
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# Restore to revision before mutation.
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node_another_bucket.stop_clickhouse()
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drop_s3_metadata(node_another_bucket)
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purge_s3(cluster, cluster.minio_bucket_2)
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create_restore_file(node_another_bucket, revision=revision_before_mutation, bucket="root")
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node_another_bucket.start_clickhouse(10)
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assert node_another_bucket.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 2)
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assert node_another_bucket.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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assert node_another_bucket.query("SELECT sum(counter) FROM s3.test FORMAT Values") == "({})".format(0)
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# Restore to revision after mutation.
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node_another_bucket.stop_clickhouse()
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drop_s3_metadata(node_another_bucket)
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purge_s3(cluster, cluster.minio_bucket_2)
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create_restore_file(node_another_bucket, revision=revision_after_mutation, bucket="root")
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node_another_bucket.start_clickhouse(10)
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assert node_another_bucket.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 2)
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assert node_another_bucket.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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assert node_another_bucket.query("SELECT sum(counter) FROM s3.test FORMAT Values") == "({})".format(4096 * 2)
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assert node_another_bucket.query("SELECT sum(counter) FROM s3.test WHERE id > 0 FORMAT Values") == "({})".format(4096)
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# Restore to revision in the middle of mutation.
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# Unfinished mutation should be completed after table startup.
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node_another_bucket.stop_clickhouse()
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drop_s3_metadata(node_another_bucket)
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purge_s3(cluster, cluster.minio_bucket_2)
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revision = (revision_before_mutation + revision_after_mutation) // 2
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create_restore_file(node_another_bucket, revision=revision, bucket="root")
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node_another_bucket.start_clickhouse(10)
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# Wait for unfinished mutation completion.
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time.sleep(3)
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assert node_another_bucket.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 2)
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assert node_another_bucket.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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assert node_another_bucket.query("SELECT sum(counter) FROM s3.test FORMAT Values") == "({})".format(4096 * 2)
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assert node_another_bucket.query("SELECT sum(counter) FROM s3.test WHERE id > 0 FORMAT Values") == "({})".format(4096)
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def test_migrate_to_restorable_schema(cluster):
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node = cluster.instances["node_not_restorable"]
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create_table(node, "test")
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-03', 4096)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-04', 4096, -1)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-05', 4096)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-05', 4096, -1)))
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replace_config("<send_metadata>false</send_metadata>", "<send_metadata>true</send_metadata>")
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node.restart_clickhouse()
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-06', 4096)))
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node.query("INSERT INTO s3.test VALUES {}".format(generate_values('2020-01-06', 4096, -1)))
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node.query("ALTER TABLE s3.test FREEZE")
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revision = get_revision_counter(node, 1)
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assert revision != 0
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node_another_bucket = cluster.instances["node_another_bucket"]
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create_table(node_another_bucket, "test")
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# Restore to revision before mutation.
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node_another_bucket.stop_clickhouse()
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drop_s3_metadata(node_another_bucket)
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purge_s3(cluster, cluster.minio_bucket_2)
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create_restore_file(node_another_bucket, revision=revision, bucket="root", path="another_data")
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node_another_bucket.start_clickhouse(10)
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assert node_another_bucket.query("SELECT count(*) FROM s3.test FORMAT Values") == "({})".format(4096 * 6)
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assert node_another_bucket.query("SELECT sum(id) FROM s3.test FORMAT Values") == "({})".format(0)
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