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llvm-premerge-checks/scripts/metrics/phab_monitoring.py
2021-05-04 20:09:14 +02:00

63 lines
1.6 KiB
Python
Executable file

#!/usr/bin/env python3
import psycopg2
from phabricator import Phabricator
import os
from typing import Optional
import datetime
def phab_up() -> Optional[Phabricator]:
"""Try to connect to phabricator to see if the server is up.
Returns None if server is down.
"""
print("Checking Phabricator status...")
try:
phab = Phabricator()
phab.update_interfaces()
print("Phabricator is up...")
return phab
except exception:
pass
print("Phabricator is down...")
return None
def log_phab_status(up: bool, conn: psycopg2.extensions.connection):
"""log the phabricator status to the database."""
print("Writing Phabricator status to database...")
cur = conn.cursor()
cur.execute(
"INSERT INTO phab_status (timestamp, status) VALUES (%s,%s);",
(datetime.datetime.now(), up),
)
conn.commit()
def connect_to_db() -> psycopg2.extensions.connection:
"""Connect to the database, create tables as needed."""
conn = psycopg2.connect(
"host=127.0.0.1 sslmode=disable dbname=stats user={} password={}".format(
os.environ["PGUSER"], os.environ["PGPASSWORD"]
)
)
cur = conn.cursor()
cur.execute(
"CREATE TABLE IF NOT EXISTS phab_status (timestamp timestamp, status boolean);"
)
conn.commit()
return conn
def phab_monitoring():
"""Main function of monitoring the phabricator server."""
conn = connect_to_db()
phab = phab_up()
log_phab_status(phab is not None, conn)
print("Completed, exiting...")
if __name__ == "__main__":
phab_monitoring()