add temp monitoring

src/lego_monitoring/__init__.py

@@ -1,12 +1,16 @@
 import argparse
 import asyncio
+import datetime
 import logging
 import signal
 import time
 
+from . import checks
 from .alerting import alerts
+from .checks.temp.sensors import print_readings
+from .config import load_config
 from .core import cvars
-from .core.config import load_config
+from .core.checkers import interval_checker
 
 stopping = False
 
@@ -27,11 +31,21 @@ async def async_main():
         prog="lego-monitoring",
         description="Lego-monitoring service",
     )
-    parser.add_argument("-c", "--config", required=True)
+    parser.add_argument("-c", "--config", help="config file")
+    parser.add_argument("--print-temp", help="print temp sensor readings and exit", action="store_true")
+    args = parser.parse_args()
 
-    config_path = parser.parse_args().config
-    config = load_config(config_path)
-    cvars.config.set(config)
+    if args.config:
+        config_path = parser.parse_args().config
+        config = load_config(config_path)
+        cvars.config.set(config)
+
+    if args.print_temp:
+        print_readings()
+        raise SystemExit
+
+    if not args.config:
+        raise RuntimeError("--config must be specified in standard operating mode")
 
     tg_client = await alerts.get_client()
     cvars.tg_client.set(tg_client)
@@ -41,10 +55,11 @@ async def async_main():
             alerts.send_start_alert(),
         ],
         "stop": [],  # this is checked later
+        "temp": [interval_checker(checks.temp_check, datetime.timedelta(minutes=5))],
     }
 
     checkers = []
-    for enabled_set in config.enabled_checker_sets:
+    for enabled_set in config.enabled_check_sets:
         for checker in checker_sets[enabled_set]:
             checkers.append(checker)
 
@@ -57,7 +72,7 @@ async def async_main():
             checker_tasks.add(task)
         while True:
             if stopping:
-                if "stop" in config.enabled_checker_sets:
+                if "stop" in config.enabled_check_sets:
                     await alerts.send_stop_alert()
                 await tg_client.disconnect()
                 raise SystemExit