89 lines
2.9 KiB
Python
89 lines
2.9 KiB
Python
import gc
|
|
import logging
|
|
import os
|
|
import pickle
|
|
import sys
|
|
import time
|
|
from datetime import datetime, timezone
|
|
|
|
import numpy as np
|
|
import paho.mqtt.client as mqtt
|
|
from dateutil.parser import parse
|
|
from redis import Redis
|
|
|
|
from feeder.lib.glotec import plot_glotec_map
|
|
|
|
logging.basicConfig(level=logging.INFO)
|
|
|
|
MQTT_BROKER_HOST = os.getenv('MQTT_BROKER_HOST', '')
|
|
MQTT_BROKER_PORT = int(os.getenv('MQTT_BROKER_PORT', 1883))
|
|
MQTT_CLIENT_ID = os.getenv('MQTT_CLIENT_ID', 'space_weather')
|
|
MQTT_USERNAME = os.getenv('MQTT_USERNAME', '')
|
|
MQTT_PASSWORD = os.getenv('MQTT_PASSWORD', '')
|
|
MQTT_TOPIC_PREFIX = os.getenv('MQTT_TOPIC_PREFIX', 'space-weather')
|
|
|
|
LAT_RANGE_MIN = os.getenv('LAT_RANGE_MIN')
|
|
LAT_RANGE_MAX = os.getenv('LAT_RANGE_MAX')
|
|
LON_RANGE_MIN = os.getenv('LON_RANGE_MIN')
|
|
LON_RANGE_MAX = os.getenv('LON_RANGE_MAX')
|
|
if not LAT_RANGE_MIN or not LAT_RANGE_MAX or not LON_RANGE_MIN or not LON_RANGE_MAX:
|
|
logging.critical('Must set LAT_RANGE_MIN, LAT_RANGE_MAX, LON_RANGE_MIN, and LON_RANGE_MAX environment variables')
|
|
print(LAT_RANGE_MIN, LAT_RANGE_MAX, LON_RANGE_MIN, LON_RANGE_MAX)
|
|
sys.exit(1)
|
|
|
|
client = mqtt.Client(client_id=MQTT_CLIENT_ID)
|
|
if MQTT_USERNAME and MQTT_PASSWORD:
|
|
client.username_pw_set(MQTT_USERNAME, MQTT_PASSWORD)
|
|
client.will_set(MQTT_TOPIC_PREFIX + '/status', payload='Offline', qos=1, retain=True)
|
|
client.connect(MQTT_BROKER_HOST, port=MQTT_BROKER_PORT)
|
|
client.loop_start()
|
|
|
|
|
|
def publish(topic: str, msg):
|
|
topic_expanded = MQTT_TOPIC_PREFIX + '/' + topic
|
|
retries = 10
|
|
for i in range(retries): # retry
|
|
result = client.publish(topic_expanded, msg)
|
|
status = result[0]
|
|
if status == 0:
|
|
logging.info(f'Sent {msg} to topic {topic_expanded}')
|
|
return
|
|
else:
|
|
logging.warning(f'Failed to send message to topic {topic_expanded}: {result}. Retry {i + 1}/{retries}')
|
|
time.sleep(10)
|
|
logging.error(f'Failed to send message to topic {topic_expanded}.')
|
|
|
|
|
|
def main():
|
|
redis = Redis(host='localhost', port=6379, db=0)
|
|
|
|
while True:
|
|
data = redis.get('latest_glotec_data')
|
|
while data is None:
|
|
logging.warning('Redis has not been populated yet. Is cache.py running? Sleeping 10s...')
|
|
time.sleep(10)
|
|
data = redis.get('latest_glotec_data')
|
|
geojson = pickle.loads(data)
|
|
|
|
utc_hr = datetime.now(timezone.utc).hour
|
|
logging.info(f'Using hour {utc_hr}')
|
|
|
|
glotec_map_ranged, _ = plot_glotec_map(geojson, [float(LON_RANGE_MIN), float(LON_RANGE_MAX)], [float(LAT_RANGE_MIN), float(LAT_RANGE_MAX)])
|
|
avg_tec = np.mean(glotec_map_ranged)
|
|
logging.info(f'Data timestamp: {parse(geojson["time_tag"]).isoformat()}')
|
|
latest = round(avg_tec, 1)
|
|
publish('latest_glotec_data', latest)
|
|
|
|
del data
|
|
del geojson
|
|
del glotec_map_ranged
|
|
del avg_tec
|
|
del latest
|
|
gc.collect()
|
|
|
|
time.sleep(60)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|