import pytest from helpers.cluster import ClickHouseCluster from helpers.test_tools import assert_eq_with_retry import os import re import time cluster = ClickHouseCluster(__file__) instance = cluster.add_instance('instance', config_dir="configs") def copy_policy_xml(local_file_name, reload_immediately = True): script_dir = os.path.dirname(os.path.realpath(__file__)) instance.copy_file_to_container(os.path.join(script_dir, local_file_name), '/etc/clickhouse-server/users.d/row_policy.xml') if reload_immediately: instance.query("SYSTEM RELOAD CONFIG") @pytest.fixture(scope="module", autouse=True) def started_cluster(): try: cluster.start() instance.query(''' CREATE DATABASE mydb; CREATE TABLE mydb.filtered_table1 (a UInt8, b UInt8) ENGINE MergeTree ORDER BY a; INSERT INTO mydb.filtered_table1 values (0, 0), (0, 1), (1, 0), (1, 1); CREATE TABLE mydb.filtered_table2 (a UInt8, b UInt8, c UInt8, d UInt8) ENGINE MergeTree ORDER BY a; INSERT INTO mydb.filtered_table2 values (0, 0, 0, 0), (1, 2, 3, 4), (4, 3, 2, 1), (0, 0, 6, 0); CREATE TABLE mydb.filtered_table3 (a UInt8, b UInt8, c UInt16 ALIAS a + b) ENGINE MergeTree ORDER BY a; INSERT INTO mydb.filtered_table3 values (0, 0), (0, 1), (1, 0), (1, 1); ''') yield cluster finally: cluster.shutdown() @pytest.fixture(autouse=True) def reset_policies(): try: yield finally: copy_policy_xml('normal_filters.xml') instance.query("DROP POLICY IF EXISTS pA, pB ON mydb.filtered_table1") def test_smoke(): assert instance.query("SELECT * FROM mydb.filtered_table1") == "1\t0\n1\t1\n" assert instance.query("SELECT * FROM mydb.filtered_table2") == "0\t0\t0\t0\n0\t0\t6\t0\n" assert instance.query("SELECT * FROM mydb.filtered_table3") == "0\t1\n1\t0\n" assert instance.query("SELECT a FROM mydb.filtered_table1") == "1\n1\n" assert instance.query("SELECT b FROM mydb.filtered_table1") == "0\n1\n" assert instance.query("SELECT a FROM mydb.filtered_table1 WHERE a = 1") == "1\n1\n" assert instance.query("SELECT a = 1 FROM mydb.filtered_table1") == "1\n1\n" assert instance.query("SELECT a FROM mydb.filtered_table3") == "0\n1\n" assert instance.query("SELECT b FROM mydb.filtered_table3") == "1\n0\n" assert instance.query("SELECT c FROM mydb.filtered_table3") == "1\n1\n" assert instance.query("SELECT a + b FROM mydb.filtered_table3") == "1\n1\n" assert instance.query("SELECT a FROM mydb.filtered_table3 WHERE c = 1") == "0\n1\n" assert instance.query("SELECT c = 1 FROM mydb.filtered_table3") == "1\n1\n" assert instance.query("SELECT a + b = 1 FROM mydb.filtered_table3") == "1\n1\n" def test_join(): assert instance.query("SELECT * FROM mydb.filtered_table1 as t1 ANY LEFT JOIN mydb.filtered_table1 as t2 ON t1.a = t2.b") == "1\t0\t1\t1\n1\t1\t1\t1\n" assert instance.query("SELECT * FROM mydb.filtered_table1 as t2 ANY RIGHT JOIN mydb.filtered_table1 as t1 ON t2.b = t1.a") == "1\t1\t1\t0\n" def test_cannot_trick_row_policy_with_keyword_with(): assert instance.query("WITH 0 AS a SELECT * FROM mydb.filtered_table1") == "1\t0\n1\t1\n" assert instance.query("WITH 0 AS a SELECT a, b FROM mydb.filtered_table1") == "1\t0\n1\t1\n" assert instance.query("WITH 0 AS a SELECT a FROM mydb.filtered_table1") == "1\n1\n" assert instance.query("WITH 0 AS a SELECT b FROM mydb.filtered_table1") == "0\n1\n" def test_prewhere_not_supported(): expected_error = "PREWHERE is not supported if the table is filtered by row-level security" assert expected_error in instance.query_and_get_error("SELECT * FROM mydb.filtered_table1 PREWHERE 1") assert expected_error in instance.query_and_get_error("SELECT * FROM mydb.filtered_table2 PREWHERE 1") assert expected_error in instance.query_and_get_error("SELECT * FROM mydb.filtered_table3 PREWHERE 1") def test_change_of_users_xml_changes_row_policies(): copy_policy_xml('normal_filters.xml') assert instance.query("SELECT * FROM mydb.filtered_table1") == "1\t0\n1\t1\n" assert instance.query("SELECT * FROM mydb.filtered_table2") == "0\t0\t0\t0\n0\t0\t6\t0\n" assert instance.query("SELECT * FROM mydb.filtered_table3") == "0\t1\n1\t0\n" copy_policy_xml('all_rows.xml') assert instance.query("SELECT * FROM mydb.filtered_table1") == "0\t0\n0\t1\n1\t0\n1\t1\n" assert instance.query("SELECT * FROM mydb.filtered_table2") == "0\t0\t0\t0\n0\t0\t6\t0\n1\t2\t3\t4\n4\t3\t2\t1\n" assert instance.query("SELECT * FROM mydb.filtered_table3") == "0\t0\n0\t1\n1\t0\n1\t1\n" copy_policy_xml('no_rows.xml') assert instance.query("SELECT * FROM mydb.filtered_table1") == "" assert instance.query("SELECT * FROM mydb.filtered_table2") == "" assert instance.query("SELECT * FROM mydb.filtered_table3") == "" copy_policy_xml('normal_filters.xml') assert instance.query("SELECT * FROM mydb.filtered_table1") == "1\t0\n1\t1\n" assert instance.query("SELECT * FROM mydb.filtered_table2") == "0\t0\t0\t0\n0\t0\t6\t0\n" assert instance.query("SELECT * FROM mydb.filtered_table3") == "0\t1\n1\t0\n" copy_policy_xml('no_filters.xml') assert instance.query("SELECT * FROM mydb.filtered_table1") == "0\t0\n0\t1\n1\t0\n1\t1\n" assert instance.query("SELECT * FROM mydb.filtered_table2") == "0\t0\t0\t0\n0\t0\t6\t0\n1\t2\t3\t4\n4\t3\t2\t1\n" assert instance.query("SELECT * FROM mydb.filtered_table3") == "0\t0\n0\t1\n1\t0\n1\t1\n" copy_policy_xml('normal_filters.xml') assert instance.query("SELECT * FROM mydb.filtered_table1") == "1\t0\n1\t1\n" assert instance.query("SELECT * FROM mydb.filtered_table2") == "0\t0\t0\t0\n0\t0\t6\t0\n" assert instance.query("SELECT * FROM mydb.filtered_table3") == "0\t1\n1\t0\n" def test_reload_users_xml_by_timer(): copy_policy_xml('normal_filters.xml') assert instance.query("SELECT * FROM mydb.filtered_table1") == "1\t0\n1\t1\n" assert instance.query("SELECT * FROM mydb.filtered_table2") == "0\t0\t0\t0\n0\t0\t6\t0\n" assert instance.query("SELECT * FROM mydb.filtered_table3") == "0\t1\n1\t0\n" time.sleep(1) # The modification time of the 'row_policy.xml' file should be different. copy_policy_xml('all_rows.xml', False) assert_eq_with_retry(instance, "SELECT * FROM mydb.filtered_table1", "0\t0\n0\t1\n1\t0\n1\t1") assert_eq_with_retry(instance, "SELECT * FROM mydb.filtered_table2", "0\t0\t0\t0\n0\t0\t6\t0\n1\t2\t3\t4\n4\t3\t2\t1") assert_eq_with_retry(instance, "SELECT * FROM mydb.filtered_table3", "0\t0\n0\t1\n1\t0\n1\t1") time.sleep(1) # The modification time of the 'row_policy.xml' file should be different. copy_policy_xml('normal_filters.xml', False) assert_eq_with_retry(instance, "SELECT * FROM mydb.filtered_table1", "1\t0\n1\t1") assert_eq_with_retry(instance, "SELECT * FROM mydb.filtered_table2", "0\t0\t0\t0\n0\t0\t6\t0") assert_eq_with_retry(instance, "SELECT * FROM mydb.filtered_table3", "0\t1\n1\t0") def test_introspection(): assert instance.query("SELECT currentRowPolicies('mydb', 'filtered_table1')") == "['default']\n" assert instance.query("SELECT currentRowPolicies('mydb', 'filtered_table2')") == "['default']\n" assert instance.query("SELECT currentRowPolicies('mydb', 'filtered_table3')") == "['default']\n" assert instance.query("SELECT arraySort(currentRowPolicies())") == "[('mydb','filtered_table1','default'),('mydb','filtered_table2','default'),('mydb','filtered_table3','default')]\n" policy1 = "mydb\tfiltered_table1\tdefault\tdefault ON mydb.filtered_table1\t9e8a8f62-4965-2b5e-8599-57c7b99b3549\tusers.xml\t0\ta = 1\t\t\t\t\n" policy2 = "mydb\tfiltered_table2\tdefault\tdefault ON mydb.filtered_table2\tcffae79d-b9bf-a2ef-b798-019c18470b25\tusers.xml\t0\ta + b < 1 or c - d > 5\t\t\t\t\n" policy3 = "mydb\tfiltered_table3\tdefault\tdefault ON mydb.filtered_table3\t12fc5cef-e3da-3940-ec79-d8be3911f42b\tusers.xml\t0\tc = 1\t\t\t\t\n" assert instance.query("SELECT * from system.row_policies WHERE has(currentRowPolicyIDs('mydb', 'filtered_table1'), id) ORDER BY table, name") == policy1 assert instance.query("SELECT * from system.row_policies WHERE has(currentRowPolicyIDs('mydb', 'filtered_table2'), id) ORDER BY table, name") == policy2 assert instance.query("SELECT * from system.row_policies WHERE has(currentRowPolicyIDs('mydb', 'filtered_table3'), id) ORDER BY table, name") == policy3 assert instance.query("SELECT * from system.row_policies ORDER BY table, name") == policy1 + policy2 + policy3 assert instance.query("SELECT * from system.row_policies WHERE has(currentRowPolicyIDs(), id) ORDER BY table, name") == policy1 + policy2 + policy3 def test_dcl_introspection(): assert instance.query("SHOW POLICIES ON mydb.filtered_table1") == "default\n" assert instance.query("SHOW POLICIES CURRENT ON mydb.filtered_table2") == "default\n" assert instance.query("SHOW POLICIES") == "default ON mydb.filtered_table1\ndefault ON mydb.filtered_table2\ndefault ON mydb.filtered_table3\n" assert instance.query("SHOW POLICIES CURRENT") == "default ON mydb.filtered_table1\ndefault ON mydb.filtered_table2\ndefault ON mydb.filtered_table3\n" assert instance.query("SHOW CREATE POLICY default ON mydb.filtered_table1") == "CREATE POLICY default ON mydb.filtered_table1 FOR SELECT USING a = 1 TO default\n" assert instance.query("SHOW CREATE POLICY default ON mydb.filtered_table2") == "CREATE POLICY default ON mydb.filtered_table2 FOR SELECT USING ((a + b) < 1) OR ((c - d) > 5) TO default\n" assert instance.query("SHOW CREATE POLICY default ON mydb.filtered_table3") == "CREATE POLICY default ON mydb.filtered_table3 FOR SELECT USING c = 1 TO default\n" copy_policy_xml('all_rows.xml') assert instance.query("SHOW CREATE POLICY default ON mydb.filtered_table1") == "CREATE POLICY default ON mydb.filtered_table1 FOR SELECT USING 1 TO default\n" assert instance.query("SHOW CREATE POLICY default ON mydb.filtered_table2") == "CREATE POLICY default ON mydb.filtered_table2 FOR SELECT USING 1 TO default\n" assert instance.query("SHOW CREATE POLICY default ON mydb.filtered_table3") == "CREATE POLICY default ON mydb.filtered_table3 FOR SELECT USING 1 TO default\n" copy_policy_xml('no_rows.xml') assert instance.query("SHOW CREATE POLICY default ON mydb.filtered_table1") == "CREATE POLICY default ON mydb.filtered_table1 FOR SELECT USING NULL TO default\n" assert instance.query("SHOW CREATE POLICY default ON mydb.filtered_table2") == "CREATE POLICY default ON mydb.filtered_table2 FOR SELECT USING NULL TO default\n" assert instance.query("SHOW CREATE POLICY default ON mydb.filtered_table3") == "CREATE POLICY default ON mydb.filtered_table3 FOR SELECT USING NULL TO default\n" copy_policy_xml('no_filters.xml') assert instance.query("SHOW POLICIES") == "" def test_dcl_management(): copy_policy_xml('no_filters.xml') assert instance.query("SHOW POLICIES") == "" instance.query("CREATE POLICY pA ON mydb.filtered_table1 FOR SELECT USING ab") assert instance.query("SELECT * FROM mydb.filtered_table1") == "1\t0\n" instance.query("ALTER POLICY pA ON mydb.filtered_table1 RENAME TO pB") assert instance.query("SELECT * FROM mydb.filtered_table1") == "1\t0\n" assert instance.query("SHOW POLICIES CURRENT ON mydb.filtered_table1") == "pB\n" assert instance.query("SHOW CREATE POLICY pB ON mydb.filtered_table1") == "CREATE POLICY pB ON mydb.filtered_table1 FOR SELECT USING a > b TO default\n" instance.query("DROP POLICY pB ON mydb.filtered_table1") assert instance.query("SELECT * FROM mydb.filtered_table1") == "0\t0\n0\t1\n1\t0\n1\t1\n" assert instance.query("SHOW POLICIES") == "" def test_users_xml_is_readonly(): assert re.search("storage is readonly", instance.query_and_get_error("DROP POLICY default ON mydb.filtered_table1"))