ClickHouse/tests/ci/jepsen_check.py
2023-01-09 12:09:47 +01:00

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#!/usr/bin/env python3
import time
import logging
import os
import sys
import argparse
import boto3 # type: ignore
import requests # type: ignore
from github import Github
from build_download_helper import get_build_name_for_check
from clickhouse_helper import ClickHouseHelper, prepare_tests_results_for_clickhouse
from commit_status_helper import post_commit_status
from compress_files import compress_fast
from env_helper import REPO_COPY, TEMP_PATH, S3_BUILDS_BUCKET, S3_DOWNLOAD
from get_robot_token import get_best_robot_token, get_parameter_from_ssm
from pr_info import PRInfo
from report import TestResults, TestResult
from rerun_helper import RerunHelper
from s3_helper import S3Helper
from ssh import SSHKey
from stopwatch import Stopwatch
from tee_popen import TeePopen
from upload_result_helper import upload_results
from version_helper import get_version_from_repo
JEPSEN_GROUP_NAME = "jepsen_group"
KEEPER_DESIRED_INSTANCE_COUNT = 3
SERVER_DESIRED_INSTANCE_COUNT = 4
KEEPER_IMAGE_NAME = "clickhouse/keeper-jepsen-test"
KEEPER_CHECK_NAME = "ClickHouse Keeper Jepsen"
SERVER_IMAGE_NAME = "clickhouse/server-jepsen-test"
SERVER_CHECK_NAME = "ClickHouse Server Jepsen"
SUCCESSFUL_TESTS_ANCHOR = "# Successful tests"
INTERMINATE_TESTS_ANCHOR = "# Indeterminate tests"
CRASHED_TESTS_ANCHOR = "# Crashed tests"
FAILED_TESTS_ANCHOR = "# Failed tests"
def _parse_jepsen_output(path: str) -> TestResults:
test_results = [] # type: TestResults
current_type = ""
with open(path, "r") as f:
for line in f:
if SUCCESSFUL_TESTS_ANCHOR in line:
current_type = "OK"
elif INTERMINATE_TESTS_ANCHOR in line or CRASHED_TESTS_ANCHOR in line:
current_type = "ERROR"
elif FAILED_TESTS_ANCHOR in line:
current_type = "FAIL"
if (
line.startswith("store/clickhouse") or line.startswith("clickhouse")
) and current_type:
test_results.append(TestResult(line.strip(), current_type))
return test_results
def get_autoscaling_group_instances_ids(asg_client, group_name):
group_description = asg_client.describe_auto_scaling_groups(
AutoScalingGroupNames=[group_name]
)
our_group = group_description["AutoScalingGroups"][0]
instance_ids = []
for instance in our_group["Instances"]:
if (
instance["LifecycleState"] == "InService"
and instance["HealthStatus"] == "Healthy"
):
instance_ids.append(instance["InstanceId"])
return instance_ids
def get_instances_addresses(ec2_client, instance_ids):
ec2_response = ec2_client.describe_instances(InstanceIds=instance_ids)
instance_ips = []
for instances in ec2_response["Reservations"]:
for ip in instances["Instances"]:
instance_ips.append(ip["PrivateIpAddress"])
return instance_ips
def prepare_autoscaling_group_and_get_hostnames(count):
asg_client = boto3.client("autoscaling", region_name="us-east-1")
asg_client.set_desired_capacity(
AutoScalingGroupName=JEPSEN_GROUP_NAME, DesiredCapacity=count
)
instances = get_autoscaling_group_instances_ids(asg_client, JEPSEN_GROUP_NAME)
counter = 0
while len(instances) < count:
time.sleep(5)
instances = get_autoscaling_group_instances_ids(asg_client, JEPSEN_GROUP_NAME)
counter += 1
if counter > 30:
raise Exception("Cannot wait autoscaling group")
ec2_client = boto3.client("ec2", region_name="us-east-1")
return get_instances_addresses(ec2_client, instances)
def clear_autoscaling_group():
asg_client = boto3.client("autoscaling", region_name="us-east-1")
asg_client.set_desired_capacity(
AutoScalingGroupName=JEPSEN_GROUP_NAME, DesiredCapacity=0
)
instances = get_autoscaling_group_instances_ids(asg_client, JEPSEN_GROUP_NAME)
counter = 0
while len(instances) > 0:
time.sleep(5)
instances = get_autoscaling_group_instances_ids(asg_client, JEPSEN_GROUP_NAME)
counter += 1
if counter > 30:
raise Exception("Cannot wait autoscaling group")
def save_nodes_to_file(instances, temp_path):
nodes_path = os.path.join(temp_path, "nodes.txt")
with open(nodes_path, "w") as f:
f.write("\n".join(instances))
f.flush()
return nodes_path
def get_run_command(
ssh_auth_sock,
ssh_sock_dir,
pr_info,
nodes_path,
repo_path,
build_url,
result_path,
extra_args,
docker_image,
):
return (
f"docker run --network=host -v '{ssh_sock_dir}:{ssh_sock_dir}' -e SSH_AUTH_SOCK={ssh_auth_sock} "
f"-e PR_TO_TEST={pr_info.number} -e SHA_TO_TEST={pr_info.sha} -v '{nodes_path}:/nodes.txt' -v {result_path}:/test_output "
f"-e 'CLICKHOUSE_PACKAGE={build_url}' -v '{repo_path}:/ch' -e 'CLICKHOUSE_REPO_PATH=/ch' -e NODES_USERNAME=ubuntu {extra_args} {docker_image}"
)
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
parser = argparse.ArgumentParser(
prog="Jepsen Check",
description="Check that uses Jepsen. Both Keeper and Server can be tested.",
)
parser.add_argument(
"program", help='What should be tested. Valid values "keeper", "server"'
)
args = parser.parse_args()
if args.program != "server" and args.program != "keeper":
logging.warning("Invalid argument '%s'", args.program)
sys.exit(0)
stopwatch = Stopwatch()
pr_info = PRInfo()
logging.info(
"Start at PR number %s, commit sha %s labels %s",
pr_info.number,
pr_info.sha,
pr_info.labels,
)
if pr_info.number != 0 and "jepsen-test" not in pr_info.labels:
logging.info("Not jepsen test label in labels list, skipping")
sys.exit(0)
gh = Github(get_best_robot_token(), per_page=100)
check_name = KEEPER_CHECK_NAME if args.program == "keeper" else SERVER_CHECK_NAME
rerun_helper = RerunHelper(gh, pr_info, check_name)
if rerun_helper.is_already_finished_by_status():
logging.info("Check is already finished according to github status, exiting")
sys.exit(0)
if not os.path.exists(TEMP_PATH):
os.makedirs(TEMP_PATH)
result_path = os.path.join(TEMP_PATH, "result_path")
if not os.path.exists(result_path):
os.makedirs(result_path)
instances = prepare_autoscaling_group_and_get_hostnames(
KEEPER_DESIRED_INSTANCE_COUNT
if args.program == "keeper"
else SERVER_DESIRED_INSTANCE_COUNT
)
nodes_path = save_nodes_to_file(
instances[:KEEPER_DESIRED_INSTANCE_COUNT], TEMP_PATH
)
# always use latest
docker_image = KEEPER_IMAGE_NAME if args.program == "keeper" else SERVER_IMAGE_NAME
build_name = get_build_name_for_check(check_name)
if pr_info.number == 0:
version = get_version_from_repo()
release_or_pr = f"{version.major}.{version.minor}"
else:
# PR number for anything else
release_or_pr = str(pr_info.number)
# This check run separately from other checks because it requires exclusive
# run (see .github/workflows/jepsen.yml) So we cannot add explicit
# dependency on a build job and using busy loop on it's results. For the
# same reason we are using latest docker image.
build_url = f"{S3_DOWNLOAD}/{S3_BUILDS_BUCKET}/{release_or_pr}/{pr_info.sha}/{build_name}/clickhouse"
head = requests.head(build_url)
counter = 0
while head.status_code != 200:
time.sleep(10)
head = requests.head(build_url)
counter += 1
if counter >= 180:
logging.warning("Cannot fetch build in 30 minutes, exiting")
sys.exit(0)
extra_args = ""
if args.program == "server":
extra_args = f"-e KEEPER_NODE={instances[-1]}"
with SSHKey(key_value=get_parameter_from_ssm("jepsen_ssh_key") + "\n"):
ssh_auth_sock = os.environ["SSH_AUTH_SOCK"]
auth_sock_dir = os.path.dirname(ssh_auth_sock)
cmd = get_run_command(
ssh_auth_sock,
auth_sock_dir,
pr_info,
nodes_path,
REPO_COPY,
build_url,
result_path,
extra_args,
docker_image,
)
logging.info("Going to run jepsen: %s", cmd)
run_log_path = os.path.join(TEMP_PATH, "run.log")
with TeePopen(cmd, run_log_path) as process:
retcode = process.wait()
if retcode == 0:
logging.info("Run successfully")
else:
logging.info("Run failed")
status = "success"
description = "No invalid analysis found ヽ(‘ー`)"
jepsen_log_path = os.path.join(result_path, "jepsen_run_all_tests.log")
additional_data = []
try:
test_result = _parse_jepsen_output(jepsen_log_path)
if any(r.status == "FAIL" for r in test_result):
status = "failure"
description = "Found invalid analysis (ノಥ益ಥ)ノ ┻━┻"
compress_fast(
os.path.join(result_path, "store"),
os.path.join(result_path, "jepsen_store.tar.gz"),
)
additional_data.append(os.path.join(result_path, "jepsen_store.tar.gz"))
except Exception as ex:
print("Exception", ex)
status = "failure"
description = "No Jepsen output log"
test_result = [TestResult("No Jepsen output log", "FAIL")]
s3_helper = S3Helper()
report_url = upload_results(
s3_helper,
pr_info.number,
pr_info.sha,
test_result,
[run_log_path] + additional_data,
check_name,
)
print(f"::notice ::Report url: {report_url}")
post_commit_status(gh, pr_info.sha, check_name, description, status, report_url)
ch_helper = ClickHouseHelper()
prepared_events = prepare_tests_results_for_clickhouse(
pr_info,
test_result,
status,
stopwatch.duration_seconds,
stopwatch.start_time_str,
report_url,
check_name,
)
ch_helper.insert_events_into(db="default", table="checks", events=prepared_events)
clear_autoscaling_group()