120 lines
4.9 KiB
Python
120 lines
4.9 KiB
Python
# Copyright 2022 Memgraph Ltd.
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#
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# Use of this software is governed by the Business Source License
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# included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
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# License, and you may not use this file except in compliance with the Business Source License.
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#
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# As of the Change Date specified in that file, in accordance with
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# the Business Source License, use of this software will be governed
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# by the Apache License, Version 2.0, included in the file
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# licenses/APL.txt.
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import os
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import sys
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import interactive_mg_runner
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import pytest
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from common import execute_and_fetch_all
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from mg_utils import mg_sleep_and_assert
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interactive_mg_runner.SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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interactive_mg_runner.PROJECT_DIR = os.path.normpath(
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os.path.join(interactive_mg_runner.SCRIPT_DIR, "..", "..", "..", "..")
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)
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interactive_mg_runner.BUILD_DIR = os.path.normpath(os.path.join(interactive_mg_runner.PROJECT_DIR, "build"))
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interactive_mg_runner.MEMGRAPH_BINARY = os.path.normpath(os.path.join(interactive_mg_runner.BUILD_DIR, "memgraph"))
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MEMGRAPH_INSTANCES_DESCRIPTION = {
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"instance_1": {
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"args": ["--bolt-port", "7688", "--log-level", "TRACE", "--coordinator-server-port", "10011"],
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"log_file": "replica1.log",
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"setup_queries": ["SET REPLICATION ROLE TO REPLICA WITH PORT 10001;"],
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},
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"instance_2": {
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"args": ["--bolt-port", "7689", "--log-level", "TRACE", "--coordinator-server-port", "10012"],
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"log_file": "replica2.log",
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"setup_queries": ["SET REPLICATION ROLE TO REPLICA WITH PORT 10002;"],
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},
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"instance_3": {
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"args": ["--bolt-port", "7687", "--log-level", "TRACE", "--coordinator-server-port", "10013"],
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"log_file": "main.log",
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"setup_queries": [
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"REGISTER REPLICA instance_1 SYNC TO '127.0.0.1:10001'",
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"REGISTER REPLICA instance_2 SYNC TO '127.0.0.1:10002'",
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],
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},
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"coordinator": {
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"args": ["--bolt-port", "7690", "--log-level=TRACE", "--coordinator"],
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"log_file": "replica3.log",
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"setup_queries": [
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"REGISTER REPLICA instance_1 SYNC TO '127.0.0.1:10001' WITH COORDINATOR SERVER ON '127.0.0.1:10011';",
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"REGISTER REPLICA instance_2 SYNC TO '127.0.0.1:10002' WITH COORDINATOR SERVER ON '127.0.0.1:10012';",
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"REGISTER MAIN instance_3 WITH COORDINATOR SERVER ON '127.0.0.1:10013';",
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],
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},
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}
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def test_simple_automatic_failover(connection):
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interactive_mg_runner.start_all(MEMGRAPH_INSTANCES_DESCRIPTION)
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main_cursor = connection(7687, "instance_3").cursor()
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expected_data_on_main = [
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("instance_1", "127.0.0.1:10001", "sync", 0, 0, "ready"),
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("instance_2", "127.0.0.1:10002", "sync", 0, 0, "ready"),
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]
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actual_data_on_main = sorted(list(execute_and_fetch_all(main_cursor, "SHOW REPLICAS;")))
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assert actual_data_on_main == expected_data_on_main
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interactive_mg_runner.kill(MEMGRAPH_INSTANCES_DESCRIPTION, "instance_3")
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coord_cursor = connection(7690, "coordinator").cursor()
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def retrieve_data_show_repl_cluster():
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return sorted(list(execute_and_fetch_all(coord_cursor, "SHOW REPLICATION CLUSTER;")))
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expected_data_on_coord = [
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("instance_1", "127.0.0.1:10011", True, "main"),
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("instance_2", "127.0.0.1:10012", True, "replica"),
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("instance_3", "127.0.0.1:10013", False, "replica"),
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]
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mg_sleep_and_assert(expected_data_on_coord, retrieve_data_show_repl_cluster)
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new_main_cursor = connection(7688, "instance_1").cursor()
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def retrieve_data_show_replicas():
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return sorted(list(execute_and_fetch_all(new_main_cursor, "SHOW REPLICAS;")))
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expected_data_on_new_main = [
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("instance_2", "127.0.0.1:10002", "sync", 0, 0, "ready"),
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]
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mg_sleep_and_assert(expected_data_on_new_main, retrieve_data_show_replicas)
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def test_registering_replica_fails_name_exists(connection):
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interactive_mg_runner.start_all(MEMGRAPH_INSTANCES_DESCRIPTION)
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coord_cursor = connection(7690, "coordinator").cursor()
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with pytest.raises(Exception) as e:
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execute_and_fetch_all(
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coord_cursor,
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"REGISTER REPLICA instance_1 SYNC TO '127.0.0.1:10051' WITH COORDINATOR SERVER ON '127.0.0.1:10111';",
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)
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assert str(e.value) == "Couldn't register replica instance since instance with such name already exists!"
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def test_registering_replica_fails_endpoint_exists(connection):
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interactive_mg_runner.start_all(MEMGRAPH_INSTANCES_DESCRIPTION)
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coord_cursor = connection(7690, "coordinator").cursor()
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with pytest.raises(Exception) as e:
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execute_and_fetch_all(
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coord_cursor,
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"REGISTER REPLICA instance_5 SYNC TO '127.0.0.1:10001' WITH COORDINATOR SERVER ON '127.0.0.1:10013';",
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)
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assert str(e.value) == "Couldn't register replica instance since instance with such endpoint already exists!"
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if __name__ == "__main__":
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sys.exit(pytest.main([__file__, "-rA"]))
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