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124 lines
4.2 KiB
Python
124 lines
4.2 KiB
Python
import logging
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import sys
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import pytest
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from helpers.cluster import ClickHouseCluster
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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(
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"node",
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main_configs=["configs/storage_configuration.xml", "configs/ssl.xml"],
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with_minio=True,
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)
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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 assert_objects_count(cluster, objects_count, path="data/"):
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minio = cluster.minio_client
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s3_objects = list(minio.list_objects(cluster.minio_bucket, path, recursive=True))
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if objects_count != len(s3_objects):
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for s3_object in s3_objects:
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object_meta = minio.stat_object(cluster.minio_bucket, s3_object.object_name)
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logging.info("Existing S3 object: %s", str(object_meta))
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assert objects_count == len(s3_objects)
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# TinyLog: files: id.bin, sizes.json
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# INSERT overwrites 1 file (`sizes.json`) and appends 1 file (`id.bin`), so
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# files_overhead=1, files_overhead_per_insert=1
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#
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# Log: files: id.bin, __marks.mrk, sizes.json
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# INSERT overwrites 1 file (`sizes.json`), and appends 2 files (`id.bin`, `__marks.mrk`), so
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# files_overhead=1, files_overhead_per_insert=2
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#
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# StripeLog: files: data.bin, index.mrk, sizes.json
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# INSERT overwrites 1 file (`sizes.json`), and appends 2 files (`index.mrk`, `data.bin`), so
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# files_overhead=1, files_overhead_per_insert=2
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@pytest.mark.parametrize(
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"log_engine,files_overhead,files_overhead_per_insert",
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[
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pytest.param("TinyLog", 1, 1, id="TinyLog"),
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pytest.param("Log", 1, 2, id="Log"),
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pytest.param("StripeLog", 1, 2, id="StripeLog"),
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],
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)
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def test_log_family_s3(cluster, log_engine, files_overhead, files_overhead_per_insert):
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node = cluster.instances["node"]
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node.query(
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"CREATE TABLE s3_test (id UInt64) ENGINE={} SETTINGS disk = 's3'".format(
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log_engine
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)
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)
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try:
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node.query("INSERT INTO s3_test SELECT number FROM numbers(5)")
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assert node.query("SELECT * FROM s3_test") == "0\n1\n2\n3\n4\n"
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assert_objects_count(cluster, files_overhead_per_insert + files_overhead)
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node.query("INSERT INTO s3_test SELECT number + 5 FROM numbers(3)")
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assert (
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node.query("SELECT * FROM s3_test order by id")
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== "0\n1\n2\n3\n4\n5\n6\n7\n"
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)
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assert_objects_count(cluster, files_overhead_per_insert * 2 + files_overhead)
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node.query("INSERT INTO s3_test SELECT number + 8 FROM numbers(1)")
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assert (
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node.query("SELECT * FROM s3_test order by id")
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== "0\n1\n2\n3\n4\n5\n6\n7\n8\n"
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)
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assert_objects_count(cluster, files_overhead_per_insert * 3 + files_overhead)
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node.query("TRUNCATE TABLE s3_test")
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assert_objects_count(cluster, 0)
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finally:
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node.query("DROP TABLE s3_test")
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# Imitate case when error occurs while inserting into table.
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# For examle S3::TooManyRequests.
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# In that case we can update data file, but not the size file.
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# So due to exception we should do truncate of the data file to undo the insert query.
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# See FileChecker::repair().
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def test_stripe_log_truncate(cluster):
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node = cluster.instances["node"]
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node.query(
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"""
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CREATE TABLE stripe_table (
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a int
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) ENGINE = StripeLog()
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SETTINGS storage_policy='s3_no_retries'
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"""
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)
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node.query("SYSTEM ENABLE FAILPOINT stripe_log_sink_write_fallpoint")
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node.query(
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"""
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INSERT INTO stripe_table SELECT number FROM numbers(10)
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""",
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ignore_error=True,
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)
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node.query("SYSTEM DISABLE FAILPOINT stripe_log_sink_write_fallpoint")
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node.query("SELECT count(*) FROM stripe_table") == "0\n"
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node.query("INSERT INTO stripe_table SELECT number FROM numbers(10)")
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node.query("SELECT count(*) FROM stripe_table") == "10\n"
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# Make sure that everything is okey with the table after restart.
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node.query("DETACH TABLE stripe_table")
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node.query("ATTACH TABLE stripe_table")
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assert node.query("DROP TABLE stripe_table") == ""
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