74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
import logging
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import os
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import sys
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import time
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from datetime import datetime
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import numpy as np
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import paho.mqtt.client as mqtt
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from lib.cddis_fetch import fetch_latest_ionex
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from lib.tecmap import get_tecmaps, plot_tec_map, parse_ionex_datetime
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logging.basicConfig(level=logging.INFO)
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MQTT_BROKER_HOST = os.getenv('MQTT_BROKER_HOST', "")
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MQTT_BROKER_PORT = int(os.getenv('MQTT_BROKER_PORT', 1883))
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MQTT_CLIENT_ID = os.getenv('MQTT_CLIENT_ID', "space_weather")
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MQTT_USERNAME = os.getenv('MQTT_USERNAME', "")
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MQTT_PASSWORD = os.getenv('MQTT_PASSWORD', "")
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MQTT_TOPIC_PREFIX = os.getenv('MQTT_TOPIC_PREFIX', "space-weather")
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LAT_RANGE_MIN = os.getenv('LAT_RANGE_MIN')
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LAT_RANGE_MAX = os.getenv('LAT_RANGE_MAX')
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LON_RANGE_MIN = os.getenv('LON_RANGE_MIN')
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LON_RANGE_MAX = os.getenv('LON_RANGE_MAX')
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if not LAT_RANGE_MIN or not LAT_RANGE_MAX or not LON_RANGE_MIN or not LON_RANGE_MAX:
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logging.critical('Must set LAT_RANGE_MIN, LAT_RANGE_MAX, LON_RANGE_MIN, and LON_RANGE_MAX environment variables')
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sys.exit(1)
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CDDIS_USERNAME = os.getenv('CDDIS_USERNAME')
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CDDIS_PASSWORD = os.getenv('CDDIS_PASSWORD')
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if not CDDIS_USERNAME or not CDDIS_PASSWORD:
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logging.critical('Must set CDDIS_USERNAME and CDDIS_PASSWORD environment variables')
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sys.exit(1)
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client = mqtt.Client(client_id=MQTT_CLIENT_ID)
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if MQTT_USERNAME and MQTT_PASSWORD:
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client.username_pw_set(MQTT_USERNAME, MQTT_PASSWORD)
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client.will_set(MQTT_TOPIC_PREFIX + "/status", payload="Offline", qos=1, retain=True) # set LWT
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client.connect(MQTT_BROKER_HOST, port=MQTT_BROKER_PORT)
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client.loop_start()
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def publish(topic: str, msg):
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topic_expanded = MQTT_TOPIC_PREFIX + '/' + topic
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result = client.publish(topic_expanded, msg)
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status = result[0]
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if status == 0:
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logging.info(f"Sent {msg} to topic {topic_expanded}")
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else:
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logging.error(f"Failed to send message to topic {topic_expanded}: {result}")
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def main():
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while True:
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# TODO: tick every second and execute runs if it's time.
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# TODO: get TEC map every 15 min and serve from URL https://services.swpc.noaa.gov/images/animations/natec-ustec/ustec_tec/latest.png?time=1716232652000
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utc_hr = datetime.utcnow().hour
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logging.info('Fetching latest IONEX data')
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logging.info(f'Using hour {utc_hr}')
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ionex_data = fetch_latest_ionex(CDDIS_USERNAME, CDDIS_PASSWORD)
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avg_tec = None
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for tecmap, epoch in get_tecmaps(ionex_data):
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if parse_ionex_datetime(epoch).hour == utc_hr:
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avg_tec = np.mean(plot_tec_map(tecmap, [float(LON_RANGE_MIN), float(LON_RANGE_MAX)], [float(LAT_RANGE_MIN), float(LAT_RANGE_MAX)]))
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break
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latest = round(avg_tec, 1)
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publish('vtec', latest)
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time.sleep(1800)
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if __name__ == '__main__':
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main()
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