ed75e45541
Summary: We noticed a Raft test failure https://apollo.memgraph.io/runs/479391/ This diff should fix it. Reviewers: ipaljak Reviewed By: ipaljak Subscribers: mferencevic, pullbot Differential Revision: https://phabricator.memgraph.io/D1865
113 lines
3.6 KiB
Python
Executable File
113 lines
3.6 KiB
Python
Executable File
#!/usr/bin/python3
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import argparse
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import os
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import time
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import subprocess
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import sys
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import random
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SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
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PROJECT_DIR = os.path.normpath(os.path.join(SCRIPT_DIR, "..", "..", "..", ".."))
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# append parent directory
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sys.path.append(os.path.join(SCRIPT_DIR, ".."))
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from ha_test import HaTestBase
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class HaBasicTest(HaTestBase):
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def execute_step(self, step, expected_results):
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if step == "create":
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print("Executing create query")
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client = subprocess.Popen([self.tester_binary, "--step", "create",
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"--cluster_size", str(self.cluster_size)])
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elif step == "count":
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print("Executing count query")
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client = subprocess.Popen([self.tester_binary, "--step", "count",
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"--cluster_size", str(self.cluster_size), "--expected_results",
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str(expected_results)])
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else:
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return 0
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# Check what happened with query execution.
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try:
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code = client.wait(timeout=30)
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except subprocess.TimeoutExpired as e:
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print("HA client timed out!")
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client.kill()
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return 1
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return code
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def execute(self):
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self.start_cluster()
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expected_results = 0
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# Make sure at least one node exists.
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assert self.execute_step("create", expected_results) == 0, \
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"Error while executing create query"
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expected_results = 1
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for i in range(2 * self.cluster_size):
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partition = random.sample(range(self.cluster_size),
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int((self.cluster_size - 1) / 2))
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# Kill workers.
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for worker_id in partition:
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print("Killing worker {}".format(worker_id))
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self.kill_worker(worker_id)
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time.sleep(5) # allow some time for possible leader re-election
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if random.random() < 0.7:
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assert self.execute_step("create", expected_results) == 0, \
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"Error while executing create query"
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expected_results += 1
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else:
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assert self.execute_step("count", expected_results) == 0, \
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"Error while executing count query"
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# Bring workers back to life.
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for worker_id in partition:
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print("Starting worker {}".format(worker_id))
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self.start_worker(worker_id)
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time.sleep(5) # allow some time for possible leader re-election
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# Check that no data was lost.
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assert self.execute_step("count", expected_results) == 0, \
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"Error while executing count query"
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def find_correct_path(path):
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f = os.path.join(PROJECT_DIR, "build", path)
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if not os.path.exists(f):
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f = os.path.join(PROJECT_DIR, "build_debug", path)
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return f
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if __name__ == "__main__":
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memgraph_binary = find_correct_path("memgraph_ha")
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tester_binary = find_correct_path(os.path.join("tests", "integration", "ha",
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"basic", "tester"))
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raft_config_file = os.path.join(PROJECT_DIR, "tests", "integration", "ha",
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"basic", "raft.json")
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parser = argparse.ArgumentParser()
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parser.add_argument("--memgraph", default=memgraph_binary)
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parser.add_argument("--raft_config_file", default=raft_config_file)
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args = parser.parse_args()
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for cluster_size in [3, 5]:
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print("\033[1;36m~~ Executing test with cluster size: %d~~\033[0m" % (cluster_size))
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HaBasicTest(
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args.memgraph, tester_binary, args.raft_config_file, cluster_size)
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print("\033[1;32m~~ The test finished successfully ~~\033[0m")
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sys.exit(0)
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