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app.py
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app.py
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from prometheus_client import start_http_server, Gauge, Counter
import os
# import subprocess
import time
import schedule
env_host = os.environ['PING_HOST']
ping_time = Gauge('ping_time', 'Ping Latency Time')
ping_status = Gauge('ping_status', 'Host Reachable')
ping_uptime = Counter('ping_uptime', 'Uptime of host in seconds (updated every minute)')
def ping_host(host):
# TODO: Implement with subprocess and get ping time from output
# with open(os.devnull, 'wb') as devnull:
# subprocess.check_call(['ping -c 1 ' + host], stdout=devnull, stderr=devnull)
if os.system('ping -c 1 ' + host) == 0:
return True
else:
return False
def check_host_availability(host):
@ping_time.time()
def do_ping():
return ping_host(host)
if do_ping():
ping_status.set(1)
ping_uptime.inc(60)
else:
ping_status.set(0)
def scheduled_run():
check_host_availability(env_host)
if __name__ == '__main__':
start_http_server(8000)
schedule.every(1).minutes.do(scheduled_run)
while True:
schedule.run_pending()
time.sleep(1)