Allow filtering by domain

check_home_assistant_state.py

@@ -66,6 +66,7 @@ class AttributeFilter:
 class Entities(nagiosplugin.Resource):
     url: str
     token: str
+    domain: str
     device_class: str
     numeric: bool
     area: str
@@ -142,13 +143,19 @@ class Entities(nagiosplugin.Resource):
             name,
             value,
             uom,
-            context=self.device_class,
+            context="scalar_entities" if self.numeric else "text_entities",
             min=self.min,
             max=self.max,
         )
 
     def probe(self):
-        template_filter = f"states|selectattr('attributes.device_class', 'eq', '{ self.device_class }')"
+        template_filter = "states"
+        if self.domain:
+            template_filter += f"|selectattr('domain', 'eq', '{ self.domain }')"
+        if self.device_class:
+            template_filter += (
+                f"|selectattr('attributes.device_class', 'eq', '{ self.device_class }')"
+            )
         for f in self.filters:
             op = "ne" if f.negated else "eq"
             template_filter += (
@@ -347,11 +354,17 @@ def main():
     common_args = shared_parser.add_argument_group(
         "Common Arguments", "Arguments shared between metric types"
     )
+    common_args.add_argument(
+        "--domain",
+        type=str,
+        required=False,
+        help="domain of entities to monitor",
+    )
     common_args.add_argument(
         "-d",
         "--device-class",
         type=str,
-        required=True,
+        required=False,
         help="device class of entities to monitor",
     )
     common_args.add_argument(
@@ -449,6 +462,7 @@ def main():
 
     args = argp.parse_args()
     parsed_common_args = {
+        "domain": args.domain,
         "device_class": args.device_class,
         "attribute": args.attribute,
         "filters": args.filter,
@@ -469,7 +483,7 @@ def main():
                 max=args.max,
                 **parsed_common_args,
             ),
-            ScalarOrUnknownContext(args.device_class, args.warning, args.critical),
+            ScalarOrUnknownContext("scalar_entities", args.warning, args.critical),
         )
     elif args.subparser_name == "text":
         check = nagiosplugin.Check(
@@ -479,7 +493,7 @@ def main():
                 numeric=False,
                 **parsed_common_args,
             ),
-            RegexContext(args.device_class, args.ok, args.warning, args.critical),
+            RegexContext("text_entities", args.ok, args.warning, args.critical),
         )
 
     check.main(args.verbose)