def main():
args = get_argparser().parse_args()
init_logger(args)
servers = {
idx: {
"host": ip,
"notify": 3250,
"control": 3251
}
for idx, ip in enumerate(args.server)
}
while True:
measurements = []
for _, server in servers.items():
try:
client = RPCClient(server["host"], server["control"])
lasers = client.get_laser_db()
for laser in lasers:
meas = client.get_freq(laser,
age=args.poll_time,
priority=3,
get_osa_trace=False,
blocking=True,
mute=False,
offset_mode=False)
status, freq, _ = meas
if status != WLMMeasurementStatus.OKAY:
logger.info("{}: measurement error")
continue
f_ref = lasers[laser]["f_ref"]
delta = freq - lasers[laser]["f_ref"]
measurements.append({
"measurement": laser,
"fields": {
"freq": freq,
"f_ref": f_ref,
"detuning": delta
}
})
logger.info("{}: freq {} THz, f_ref {} THz, "
"detuning {} MHz".format(
laser, freq, f_ref, delta))
except OSError:
logger.warning("Error querying server {}".format(server))
finally:
client.close_rpc()
if measurements == []:
time.sleep(args.poll_time)
continue
try:
influx = influxdb.InfluxDBClient(host="10.255.6.4",
database=args.database,
username="******",
password="******")
influx.write_points(measurements)
finally:
influx.close()
time.sleep(args.poll_time)
