ClickHouse/tests/ci/metrics_lambda/app.py
2022-01-24 15:50:34 +01:00

324 lines
9.8 KiB
Python

#!/usr/bin/env python3
import argparse
import sys
import json
import time
from collections import namedtuple
import jwt
import requests
import boto3
from botocore.exceptions import ClientError
def get_dead_runners_in_ec2(runners):
ids = {
runner.name: runner
for runner in runners
# Only `i-deadbead123` are valid names for an instance ID
if runner.offline and not runner.busy and runner.name.startswith("i-")
}
result_to_delete = [
runner
for runner in runners
if not ids.get(runner.name) and runner.offline and not runner.busy
]
if not ids:
return []
client = boto3.client("ec2")
i = 0
inc = 100
print("Checking ids", ids.keys())
instances_statuses = []
while i < len(ids.keys()):
try:
instances_statuses.append(
client.describe_instance_status(
InstanceIds=list(ids.keys())[i : i + inc]
)
)
i += inc
except ClientError as e:
# The list of non-existent instances is in the message:
# The instance IDs 'i-069b1c256c06cf4e3, i-0f26430432b044035,
# i-0faa2ff44edbc147e, i-0eccf2514585045ec, i-0ee4ee53e0daa7d4a,
# i-07928f15acd473bad, i-0eaddda81298f9a85' do not exist
message = e.response["Error"]["Message"]
if message.startswith("The instance IDs '") and message.endswith(
"' do not exist"
):
non_existent = message[18:-14].split(", ")
for n in non_existent:
result_to_delete.append(ids.pop(n))
else:
raise
found_instances = set([])
print("Response", instances_statuses)
for instances_status in instances_statuses:
for instance_status in instances_status["InstanceStatuses"]:
if instance_status["InstanceState"]["Name"] in ("pending", "running"):
found_instances.add(instance_status["InstanceId"])
print("Found instances", found_instances)
for runner in result_to_delete:
print("Instance", runner.name, "is not alive, going to remove it")
for instance_id, runner in ids.items():
if instance_id not in found_instances:
print("Instance", instance_id, "is not alive, going to remove it")
result_to_delete.append(runner)
return result_to_delete
def get_key_and_app_from_aws():
import boto3
secret_name = "clickhouse_github_secret_key"
session = boto3.session.Session()
client = session.client(
service_name="secretsmanager",
)
get_secret_value_response = client.get_secret_value(SecretId=secret_name)
data = json.loads(get_secret_value_response["SecretString"])
return data["clickhouse-app-key"], int(data["clickhouse-app-id"])
def handler(event, context):
private_key, app_id = get_key_and_app_from_aws()
main(private_key, app_id, True, True)
def get_installation_id(jwt_token):
headers = {
"Authorization": f"Bearer {jwt_token}",
"Accept": "application/vnd.github.v3+json",
}
response = requests.get("https://api.github.com/app/installations", headers=headers)
response.raise_for_status()
data = response.json()
return data[0]["id"]
def get_access_token(jwt_token, installation_id):
headers = {
"Authorization": f"Bearer {jwt_token}",
"Accept": "application/vnd.github.v3+json",
}
response = requests.post(
f"https://api.github.com/app/installations/{installation_id}/access_tokens",
headers=headers,
)
response.raise_for_status()
data = response.json()
return data["token"]
RunnerDescription = namedtuple(
"RunnerDescription", ["id", "name", "tags", "offline", "busy"]
)
def list_runners(access_token):
headers = {
"Authorization": f"token {access_token}",
"Accept": "application/vnd.github.v3+json",
}
response = requests.get(
"https://api.github.com/orgs/ClickHouse/actions/runners?per_page=100",
headers=headers,
)
response.raise_for_status()
data = response.json()
total_runners = data["total_count"]
runners = data["runners"]
total_pages = int(total_runners / 100 + 1)
print("Total pages", total_pages)
for i in range(2, total_pages + 1):
response = requests.get(
"https://api.github.com/orgs/ClickHouse/actions/runners"
f"?page={i}&per_page=100",
headers=headers,
)
response.raise_for_status()
data = response.json()
runners += data["runners"]
print("Total runners", len(runners))
result = []
for runner in runners:
tags = [tag["name"] for tag in runner["labels"]]
desc = RunnerDescription(
id=runner["id"],
name=runner["name"],
tags=tags,
offline=runner["status"] == "offline",
busy=runner["busy"],
)
result.append(desc)
return result
def group_runners_by_tag(listed_runners):
result = {}
RUNNER_TYPE_LABELS = [
"builder",
"func-tester",
"func-tester-aarch64",
"fuzzer-unit-tester",
"stress-tester",
"style-checker",
"style-checker-aarch64",
]
for runner in listed_runners:
for tag in runner.tags:
if tag in RUNNER_TYPE_LABELS:
if tag not in result:
result[tag] = []
result[tag].append(runner)
break
else:
if "unlabeled" not in result:
result["unlabeled"] = []
result["unlabeled"].append(runner)
return result
def push_metrics_to_cloudwatch(listed_runners, namespace):
client = boto3.client("cloudwatch")
metrics_data = []
busy_runners = sum(
1 for runner in listed_runners if runner.busy and not runner.offline
)
metrics_data.append(
{
"MetricName": "BusyRunners",
"Value": busy_runners,
"Unit": "Count",
}
)
total_active_runners = sum(1 for runner in listed_runners if not runner.offline)
metrics_data.append(
{
"MetricName": "ActiveRunners",
"Value": total_active_runners,
"Unit": "Count",
}
)
total_runners = len(listed_runners)
metrics_data.append(
{
"MetricName": "TotalRunners",
"Value": total_runners,
"Unit": "Count",
}
)
if total_active_runners == 0:
busy_ratio = 100
else:
busy_ratio = busy_runners / total_active_runners * 100
metrics_data.append(
{
"MetricName": "BusyRunnersRatio",
"Value": busy_ratio,
"Unit": "Percent",
}
)
client.put_metric_data(Namespace=namespace, MetricData=metrics_data)
def delete_runner(access_token, runner):
headers = {
"Authorization": f"token {access_token}",
"Accept": "application/vnd.github.v3+json",
}
response = requests.delete(
f"https://api.github.com/orgs/ClickHouse/actions/runners/{runner.id}",
headers=headers,
)
response.raise_for_status()
print(f"Response code deleting {runner.name} is {response.status_code}")
return response.status_code == 204
def main(github_secret_key, github_app_id, push_to_cloudwatch, delete_offline_runners):
payload = {
"iat": int(time.time()) - 60,
"exp": int(time.time()) + (10 * 60),
"iss": github_app_id,
}
encoded_jwt = jwt.encode(payload, github_secret_key, algorithm="RS256")
installation_id = get_installation_id(encoded_jwt)
access_token = get_access_token(encoded_jwt, installation_id)
runners = list_runners(access_token)
grouped_runners = group_runners_by_tag(runners)
for group, group_runners in grouped_runners.items():
if push_to_cloudwatch:
print(group)
push_metrics_to_cloudwatch(group_runners, "RunnersMetrics/" + group)
else:
print(group, f"({len(group_runners)})")
for runner in group_runners:
print("\t", runner)
if delete_offline_runners:
print("Going to delete offline runners")
dead_runners = get_dead_runners_in_ec2(runners)
for runner in dead_runners:
print("Deleting runner", runner)
delete_runner(access_token, runner)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Get list of runners and their states")
parser.add_argument(
"-p", "--private-key-path", help="Path to file with private key"
)
parser.add_argument("-k", "--private-key", help="Private key")
parser.add_argument(
"-a", "--app-id", type=int, help="GitHub application ID", required=True
)
parser.add_argument(
"--push-to-cloudwatch",
action="store_true",
help="Push metrics for active and busy runners to cloudwatch",
)
parser.add_argument(
"--delete-offline", action="store_true", help="Remove offline runners"
)
args = parser.parse_args()
if not args.private_key_path and not args.private_key:
print(
"Either --private-key-path or --private-key must be specified",
file=sys.stderr,
)
if args.private_key_path and args.private_key:
print(
"Either --private-key-path or --private-key must be specified",
file=sys.stderr,
)
if args.private_key:
private_key = args.private_key
elif args.private_key_path:
with open(args.private_key_path, "r") as key_file:
private_key = key_file.read()
else:
print("Attempt to get key and id from AWS secret manager")
private_key, args.app_id = get_key_and_app_from_aws()
main(private_key, args.app_id, args.push_to_cloudwatch, args.delete_offline)