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main.py
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main.py
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"""
Ping
"""
import sys
import models
import ping
import time
import datetime
import traceback
import json
import os
SECONDS_BETWEEN_PINGS = 10
DEFAULT_DB_FILE = 'pingsdb.sqlite'
def ping_once(session, host):
latency = None
error = None
when = datetime.datetime.now()
try:
latency = ping.ping(host)
except Exception as e:
error = str(e)
traceback.print_exc()
ping_inst = models.Ping(
date = when,
host = host,
latency = latency,
error = error,
)
session.merge(ping_inst)
session.commit()
print(ping_inst)
def ping_loop(hosts, db_file=DEFAULT_DB_FILE):
session = models.open_db(db_file)
while True:
for host in hosts:
ping_once(session, host)
time.sleep(SECONDS_BETWEEN_PINGS)
def get_hosts():
"""
Example configuration file:
{
"hosts": ["8.8.8.8"]
}
"""
ping_config_file = 'config.json'
if os.path.exists(ping_config_file):
print('Loading config from %s' % ping_config_file)
config = json.load(open(ping_config_file))
if 'hosts' in config:
return config['hosts']
else:
return []
def main():
hosts = get_hosts()
if not hosts:
google_dns = '8.8.8.8'
hosts = [google_dns]
ping_loop(hosts)
if __name__ == "__main__":
main()