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simplify test_backup_restore

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This commit is contained in:
Yatsishin Ilya 2021-06-02 17:33:47 +03:00
parent d51a6a2c1f
commit 6a9b875b19
1 changed files with 57 additions and 70 deletions
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127
tests/integration/test_backup_restore/test.py
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@ -1,12 +1,12 @@
import os.path
import pytest
import logging
from helpers.cluster import ClickHouseCluster
from helpers.test_tools import TSV
cluster = ClickHouseCluster(__file__)
instance = cluster.add_instance('instance')
q = instance.query
instance = cluster.add_instance('node')
path_to_data = '/var/lib/clickhouse/'
@ -14,7 +14,19 @@ path_to_data = '/var/lib/clickhouse/'
def started_cluster():
try:
cluster.start()
q('CREATE DATABASE test ENGINE = Ordinary') # Different path in shadow/ with Atomic
instance.query('CREATE DATABASE test ENGINE = Ordinary') # Different path in shadow/ with Atomic
instance.query("DROP TABLE IF EXISTS test.tbl")
instance.query("CREATE TABLE test.tbl (p Date, k Int8) ENGINE = MergeTree PARTITION BY toYYYYMM(p) ORDER BY p")
for i in range(1, 4):
instance.query('INSERT INTO test.tbl (p, k) VALUES(toDate({}), {})'.format(i, i))
for i in range(31, 34):
instance.query('INSERT INTO test.tbl (p, k) VALUES(toDate({}), {})'.format(i, i))
expected = TSV('1970-01-02\t1\n1970-01-03\t2\n1970-01-04\t3\n1970-02-01\t31\n1970-02-02\t32\n1970-02-03\t33')
res = instance.query("SELECT * FROM test.tbl ORDER BY p")
assert (TSV(res) == expected)
instance.query("ALTER TABLE test.tbl FREEZE")
yield cluster
@ -22,131 +34,106 @@ def started_cluster():
cluster.shutdown()
def exec_bash(cmd):
cmd = '/bin/bash -c "{}"'.format(cmd.replace('"', '\\"'))
return instance.exec_in_container(cmd)
def copy_backup_to_detached(database, src_table, dst_table):
def copy_backup_to_detached(instance, database, src_table, dst_table):
fp_increment = os.path.join(path_to_data, 'shadow/increment.txt')
increment = exec_bash('cat ' + fp_increment).strip()
increment = instance.exec_in_container(['cat', fp_increment]).strip()
fp_backup = os.path.join(path_to_data, 'shadow', increment, 'data', database, src_table)
fp_detached = os.path.join(path_to_data, 'data', database, dst_table, 'detached')
exec_bash('cp -r {}/* {}/'.format(fp_backup, fp_detached))
logging.debug(f'copy from {fp_backup} to {fp_detached}. increment {fp_increment}')
instance.exec_in_container(['cp', '-r', f'{fp_backup}', '-T' , f'{fp_detached}'])
def test_restore(started_cluster):
instance.query("CREATE TABLE test.tbl1 AS test.tbl")
@pytest.fixture
def backup_restore(started_cluster):
q("DROP TABLE IF EXISTS test.tbl")
q("CREATE TABLE test.tbl (p Date, k Int8) ENGINE = MergeTree PARTITION BY toYYYYMM(p) ORDER BY p")
for i in range(1, 4):
q('INSERT INTO test.tbl (p, k) VALUES(toDate({}), {})'.format(i, i))
for i in range(31, 34):
q('INSERT INTO test.tbl (p, k) VALUES(toDate({}), {})'.format(i, i))
expected = TSV('1970-01-02\t1\n1970-01-03\t2\n1970-01-04\t3\n1970-02-01\t31\n1970-02-02\t32\n1970-02-03\t33')
res = q("SELECT * FROM test.tbl ORDER BY p")
assert (TSV(res) == expected)
q("ALTER TABLE test.tbl FREEZE")
yield
q("DROP TABLE IF EXISTS test.tbl")
def test_restore(backup_restore):
q("CREATE TABLE test.tbl1 AS test.tbl")
copy_backup_to_detached('test', 'tbl', 'tbl1')
copy_backup_to_detached(started_cluster.instances['node'], 'test', 'tbl', 'tbl1')
# The data_version of parts to be attached are larger than the newly created table's data_version.
q("ALTER TABLE test.tbl1 ATTACH PARTITION 197001")
q("ALTER TABLE test.tbl1 ATTACH PARTITION 197002")
q("SELECT sleep(2)")
instance.query("ALTER TABLE test.tbl1 ATTACH PARTITION 197001")
instance.query("ALTER TABLE test.tbl1 ATTACH PARTITION 197002")
instance.query("SELECT sleep(2)")
# Validate the attached parts are identical to the backup.
expected = TSV('1970-01-02\t1\n1970-01-03\t2\n1970-01-04\t3\n1970-02-01\t31\n1970-02-02\t32\n1970-02-03\t33')
res = q("SELECT * FROM test.tbl1 ORDER BY p")
res = instance.query("SELECT * FROM test.tbl1 ORDER BY p")
assert (TSV(res) == expected)
q("ALTER TABLE test.tbl1 UPDATE k=10 WHERE 1")
q("SELECT sleep(2)")
instance.query("ALTER TABLE test.tbl1 UPDATE k=10 WHERE 1")
instance.query("SELECT sleep(2)")
# Validate mutation has been applied to all attached parts.
expected = TSV('1970-01-02\t10\n1970-01-03\t10\n1970-01-04\t10\n1970-02-01\t10\n1970-02-02\t10\n1970-02-03\t10')
res = q("SELECT * FROM test.tbl1 ORDER BY p")
res = instance.query("SELECT * FROM test.tbl1 ORDER BY p")
assert (TSV(res) == expected)
q("DROP TABLE IF EXISTS test.tbl1")
instance.query("DROP TABLE IF EXISTS test.tbl1")
def test_attach_partition(backup_restore):
q("CREATE TABLE test.tbl2 AS test.tbl")
def test_attach_partition(started_cluster):
instance.query("CREATE TABLE test.tbl2 AS test.tbl")
for i in range(3, 5):
q('INSERT INTO test.tbl2(p, k) VALUES(toDate({}), {})'.format(i, i))
instance.query('INSERT INTO test.tbl2(p, k) VALUES(toDate({}), {})'.format(i, i))
for i in range(33, 35):
q('INSERT INTO test.tbl2(p, k) VALUES(toDate({}), {})'.format(i, i))
instance.query('INSERT INTO test.tbl2(p, k) VALUES(toDate({}), {})'.format(i, i))
expected = TSV('1970-01-04\t3\n1970-01-05\t4\n1970-02-03\t33\n1970-02-04\t34')
res = q("SELECT * FROM test.tbl2 ORDER BY p")
res = instance.query("SELECT * FROM test.tbl2 ORDER BY p")
assert (TSV(res) == expected)
copy_backup_to_detached('test', 'tbl', 'tbl2')
copy_backup_to_detached(started_cluster.instances['node'], 'test', 'tbl', 'tbl2')
# The data_version of parts to be attached
# - may be less than, equal to or larger than the current table's data_version.
# - may intersect with the existing parts of a partition.
q("ALTER TABLE test.tbl2 ATTACH PARTITION 197001")
q("ALTER TABLE test.tbl2 ATTACH PARTITION 197002")
q("SELECT sleep(2)")
instance.query("ALTER TABLE test.tbl2 ATTACH PARTITION 197001")
instance.query("ALTER TABLE test.tbl2 ATTACH PARTITION 197002")
instance.query("SELECT sleep(2)")
expected = TSV(
'1970-01-02\t1\n1970-01-03\t2\n1970-01-04\t3\n1970-01-04\t3\n1970-01-05\t4\n1970-02-01\t31\n1970-02-02\t32\n1970-02-03\t33\n1970-02-03\t33\n1970-02-04\t34')
res = q("SELECT * FROM test.tbl2 ORDER BY p")
res = instance.query("SELECT * FROM test.tbl2 ORDER BY p")
assert (TSV(res) == expected)
q("ALTER TABLE test.tbl2 UPDATE k=10 WHERE 1")
q("SELECT sleep(2)")
instance.query("ALTER TABLE test.tbl2 UPDATE k=10 WHERE 1")
instance.query("SELECT sleep(2)")
# Validate mutation has been applied to all attached parts.
expected = TSV(
'1970-01-02\t10\n1970-01-03\t10\n1970-01-04\t10\n1970-01-04\t10\n1970-01-05\t10\n1970-02-01\t10\n1970-02-02\t10\n1970-02-03\t10\n1970-02-03\t10\n1970-02-04\t10')
res = q("SELECT * FROM test.tbl2 ORDER BY p")
res = instance.query("SELECT * FROM test.tbl2 ORDER BY p")
assert (TSV(res) == expected)
q("DROP TABLE IF EXISTS test.tbl2")
instance.query("DROP TABLE IF EXISTS test.tbl2")
def test_replace_partition(backup_restore):
q("CREATE TABLE test.tbl3 AS test.tbl")
def test_replace_partition(started_cluster):
instance.query("CREATE TABLE test.tbl3 AS test.tbl")
for i in range(3, 5):
q('INSERT INTO test.tbl3(p, k) VALUES(toDate({}), {})'.format(i, i))
instance.query('INSERT INTO test.tbl3(p, k) VALUES(toDate({}), {})'.format(i, i))
for i in range(33, 35):
q('INSERT INTO test.tbl3(p, k) VALUES(toDate({}), {})'.format(i, i))
instance.query('INSERT INTO test.tbl3(p, k) VALUES(toDate({}), {})'.format(i, i))
expected = TSV('1970-01-04\t3\n1970-01-05\t4\n1970-02-03\t33\n1970-02-04\t34')
res = q("SELECT * FROM test.tbl3 ORDER BY p")
res = instance.query("SELECT * FROM test.tbl3 ORDER BY p")
assert (TSV(res) == expected)
copy_backup_to_detached('test', 'tbl', 'tbl3')
copy_backup_to_detached(started_cluster.instances['node'], 'test', 'tbl', 'tbl3')
# The data_version of parts to be copied
# - may be less than, equal to or larger than the current table data_version.
# - may intersect with the existing parts of a partition.
q("ALTER TABLE test.tbl3 REPLACE PARTITION 197002 FROM test.tbl")
q("SELECT sleep(2)")
instance.query("ALTER TABLE test.tbl3 REPLACE PARTITION 197002 FROM test.tbl")
instance.query("SELECT sleep(2)")
expected = TSV('1970-01-04\t3\n1970-01-05\t4\n1970-02-01\t31\n1970-02-02\t32\n1970-02-03\t33')
res = q("SELECT * FROM test.tbl3 ORDER BY p")
res = instance.query("SELECT * FROM test.tbl3 ORDER BY p")
assert (TSV(res) == expected)
q("ALTER TABLE test.tbl3 UPDATE k=10 WHERE 1")
q("SELECT sleep(2)")
instance.query("ALTER TABLE test.tbl3 UPDATE k=10 WHERE 1")
instance.query("SELECT sleep(2)")
# Validate mutation has been applied to all copied parts.
expected = TSV('1970-01-04\t10\n1970-01-05\t10\n1970-02-01\t10\n1970-02-02\t10\n1970-02-03\t10')
res = q("SELECT * FROM test.tbl3 ORDER BY p")
res = instance.query("SELECT * FROM test.tbl3 ORDER BY p")
assert (TSV(res) == expected)
q("DROP TABLE IF EXISTS test.tbl3")
instance.query("DROP TABLE IF EXISTS test.tbl3")