scripts/surveillance/maintenance/check_activity.py

31 lines
894 B
Python
Executable file

#!/bin/bash /usr/scripts/python.sh
# -*- encoding: utf-8 -*-
import psycopg2
import psycopg2.extras
import time
PG_STAT_REQ = "SELECT * FROM pg_stat_activity;"
def pg_stat_ended(curseur):
"""Fetch stat_activity from postgresql and check if
all transactions active on first fetch is done before
returning True.
"""
curseur.execute(PG_STAT_REQ)
data = curseur.fetchall()
seuil = max([donnee['xact_start'] for donnee in data])
while True and seuil:
curseur.execute(PG_STAT_REQ)
data = curseur.fetchall()
front = min([donnee['xact_start'] for donnee in data])
if front > seuil:
break
time.sleep(30)
if __name__ == "__main__":
conn = psycopg2.connect(database='filtrage')
conn.set_session(autocommit=True)
curseur = conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
pg_stat_ended(curseur)