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agent.py
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agent.py
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#!/usr/bin/env python3
import logging
import configparser
import argparse
import traceback
import asyncio
from systemd import journal
from log import ColorLogHandler
from glonax import client as gclient
from glonax.message import Instance
from glonax_agent import GlonaxAgent
from glonax_agent.system import System
from glonax_agent.models import GpsTelemetry
APP_NAME = "glonax-agent"
config = configparser.ConfigParser()
logger = logging.getLogger()
glonax_agent: GlonaxAgent | None = None
async def update_telemetry():
global glonax_agent
logger.info("Starting telemetry task")
while True:
await asyncio.sleep(15)
telemetry = glonax_agent.host_service.get_telemetry(glonax_agent.instance)
await glonax_agent.management_service.update_host_telemetry(telemetry)
await asyncio.sleep(5)
if glonax_agent.location_service.current_location is not None:
await glonax_agent.management_service.update_gps_telemetry(
glonax_agent.location_service.current_location
)
await asyncio.sleep(15)
# logger.info(f"Engine: {machine_service.last_engine}")
# logger.info(f"Motion: {machine_service.last_motion}")
# machine_service.last_module_status(module)
# TODO: Send telemetry last engine and last motion
# TODO: Send telemetry module status
await asyncio.sleep(25)
async def gps_server():
from gps import client
from gps.schemas import TPV
global glonax_agent
while True:
try:
async with await client.open() as c:
async for result in c:
if isinstance(result, TPV):
location = GpsTelemetry(
instance=str(glonax_agent.instance.id),
mode=result.mode,
lat=result.lat,
lon=result.lon,
alt=result.alt,
speed=result.speed,
heading=result.track,
)
logger.debug(location)
glonax_agent.location_service.feed(location)
except asyncio.CancelledError:
logger.info("GPS handler cancelled")
return
except ConnectionError as e:
logger.debug(f"GPS connection error: {e}")
logger.error("GPS is not running")
except Exception as e:
logger.critical(f"Unknown error: {traceback.format_exc()}")
logger.info("Reconnecting to GPS...")
await asyncio.sleep(1)
async def ping_server():
host = config["ping"]["host"]
global glonax_agent
while True:
try:
await asyncio.sleep(7)
latency = await System.ping(host)
logger.debug(f"Network latency {latency} ms")
glonax_agent.network_service.feed_latency(latency)
except asyncio.CancelledError:
logger.info("Ping handler cancelled")
return
except Exception as e:
logger.critical(f"Unknown error: {traceback.format_exc()}")
async def glonax_server():
global glonax_agent
logger.info("Starting glonax task")
path = config["glonax"]["unix_socket"]
while True:
try:
logger.info(f"Connecting to glonax at {path}")
user_agent = "glonax-agent/1.0"
async with await gclient.open_session(
path, user_agent=user_agent
) as session:
logger.info(f"Glonax connected to {path}")
async for message in session:
glonax_agent.machine_service.feed(message)
except asyncio.CancelledError:
logger.info("Glonax task cancelled")
return
except ConnectionError as e:
logger.debug(f"Glonax connection error: {e}")
logger.error("Glonax is not running")
except Exception as e:
logger.critical(f"Unknown error: {traceback.format_exc()}")
logger.info("Reconnecting to glonax...")
await asyncio.sleep(1)
# TODO: Replace the cache file if the instance is older than 1 day
async def fetch_instance(path, file_name: str) -> Instance | None:
import os
import pickle
if os.path.exists(file_name):
with open(file_name, "rb") as file:
return pickle.load(file)
else:
# TODO: Replace this with a command
user_agent = "glonax-agent/1.0"
async with await gclient.open_session(path, user_agent=user_agent) as session:
with open(file_name, "wb") as file:
pickle.dump(session.instance, file)
return session.instance
async def main():
global glonax_agent
instance = await fetch_instance(
config["glonax"]["unix_socket"], config["DEFAULT"]["cache"]
)
glonax_agent = GlonaxAgent(config, instance)
logger.info(f"Starting {APP_NAME}")
try:
await glonax_agent._boot()
await glonax_agent._notify(
"AGENT.START", f"Agent {glonax_agent.instance.id} started"
)
async with asyncio.TaskGroup() as tg:
task1 = tg.create_task(glonax_server())
task2 = tg.create_task(ping_server())
task3 = tg.create_task(gps_server())
task4 = tg.create_task(update_telemetry())
except asyncio.CancelledError:
await glonax_agent._notify(
"AGENT.SHUTDOWN", f"Agent {glonax_agent.instance.id} shutting down"
)
logger.info("Agent is gracefully shutting down")
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Glonax agent for the Laixer Edge platform"
)
parser.add_argument(
"-l",
"--log-level",
default="INFO",
choices=["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"],
help="Set the logging level",
)
parser.add_argument(
"--log-systemd",
action="store_true",
help="Enable logging to systemd journal",
)
parser.add_argument(
"-c",
"--config",
default="config.ini",
help="Specify the configuration file to use",
)
parser.add_argument(
"--cache",
default="cache.db",
help="Specify the cache file to use",
)
args = parser.parse_args()
log_level = logging.getLevelName(args.log_level.upper())
logger.setLevel(log_level)
if args.log_systemd:
logger.addHandler(journal.JournaldLogHandler(identifier=APP_NAME))
else:
logger.addHandler(ColorLogHandler())
config.read(args.config)
config["DEFAULT"]["cache"] = args.cache
asyncio.run(main())