check_home_assistant_state.conf

@@ -0,0 +1,45 @@
+object CheckCommand "home_assistant_state" {
+  command = [ PluginContribDir + "/check_home_assistant_state/check_home_assistant_state.py" ]
+  arguments = {
+    "--token" = {
+      value = "$home_assistant_state_token$"
+      description = "API token for Home Assistant"
+    }
+    "--url" = {
+      value = "$home_assistant_state_url$"
+      description = "URL for Home Assistant"
+    }
+    "--device-class" = {
+      value = "$home_assistant_state_device_class$"
+      description = "Device class of entities to monitor"
+    }
+    "--warning" = {
+      value = "$home_assistant_state_warning$"
+      description = "Return warning if battery percentage is outside RANGE"
+    }
+    "--critical" = {
+      value = "$home_assistant_state_critical$"
+      description = "Return critical if battery percentage is outside RANGE"
+    }
+    "--min" = {
+      value = "$home_assistant_state_min$"
+      description = "Min for performance data"
+    }
+    "--max" = {
+      value = "$home_assistant_state_max$"
+      description = "Max for performance data"
+    }
+    "--attribute" = {
+      value = "$home_assistant_state_attribute$"
+      description = "Check attribute instead of value"
+    }
+    "--filter" = {
+      value = "$home_assistant_state_filter$"
+      description = "Filter by 'attribute=value' (can be an array)"
+    }
+    "--friendly" = {
+      set_if = "$home_assistant_state_friendly$"
+      description = "Use friendly name, when available"
+    }
+  }
+}

check_home_assistant_state.py

@@ -6,7 +6,6 @@ import logging
 import sys
 from urllib.parse import urljoin
 from typing import Optional
-from pathlib import Path
 
 import requests
 import nagiosplugin
@@ -84,80 +83,23 @@ def key_value(arg: str):
     return k, v
 
 
-class Icinga2ConfAction(argparse.Action):
-    def __init__(
-        self,
-        option_strings,
-        dest=argparse.SUPPRESS,
-        default=argparse.SUPPRESS,
-        help="Generate conf file for icinga2 CheckCommand",
-    ):
-        super().__init__(
-            option_strings=option_strings,
-            dest=dest,
-            default=default,
-            nargs=0,
-            help=help,
-        )
-
-    def __call__(
-        self, parser: argparse.ArgumentParser, namespace, values, option_string=None
-    ):
-        filename = Path(__file__).absolute()
-        command_name = filename.stem.removeprefix("check_")
-        # FIXME: assumes that script will be in a subdirectory of PluginContribDir
-        command_path = filename.relative_to(filename.parents[1])
-
-        print(f'object CheckCommand "{command_name}" {{')
-        print(f'  command = [ PluginContribDir + "/{command_path}" ]')
-        print("  arguments = {")
-        for action in parser._actions:
-            if action.dest in ["verbose", "help", self.dest]:
-                continue
-
-            arg_str = action.option_strings[-1]
-            icinga2_var = arg_str.lstrip("-").replace("-", "_")
-            print(f'    "{arg_str}" = {{')
-
-            if action.required:
-                print("      required = true")
-
-            if isinstance(action, argparse._StoreConstAction):
-                print(f'      set_if = "${command_name}_{icinga2_var}$"')
-            else:
-                print(f'      value = "${command_name}_{icinga2_var}$"')
-
-            print(f'      description = "{action.help}"')
-            print("    }")
-
-        print("  }\n}")
-        parser.exit()
-
-
 @nagiosplugin.guarded
 def main():
     argp = argparse.ArgumentParser(description=__doc__)
-
-    argp.add_argument("-v", "--verbose", action="count", default=0)
-    argp.add_argument("--make-icinga-conf", action=Icinga2ConfAction)
-
     argp.add_argument(
-        "-t",
-        "--token",
-        required=True,
-        type=str,
-        help="token for Home Assistant REST API (see https://developers.home-assistant.io/docs/api/rest/)",
+        "-t", "--token", required=True, type=str, help="API token for Home Assistant"
     )
     argp.add_argument(
         "-u", "--url", required=True, type=str, help="URL for Home Assistant"
     )
+    argp.add_argument("-v", "--verbose", action="count", default=0)
 
     argp.add_argument(
         "-d",
         "--device-class",
         type=str,
         required=True,
-        help="device class of entities to monitor",
+        help="Device class of entities to monitor",
     )
     argp.add_argument(
         "-w",
@@ -176,15 +118,15 @@ def main():
     argp.add_argument(
         "--min",
         type=float,
-        help="min for performance data",
+        help="Min for performance data",
     )
     argp.add_argument(
         "--max",
         type=float,
-        help="max for performance data",
+        help="Max for performance data",
     )
     argp.add_argument(
-        "-a", "--attribute", type=str, help="check attribute instead of value"
+        "-a", "--attribute", type=str, help="Check attribute instead of value"
     )
     argp.add_argument(
         "-f",
@@ -192,12 +134,12 @@ def main():
         type=key_value,
         default=[],
         nargs="*",
-        help="filter by 'attribute=value' (may be specified multiple times)",
+        help="Filter by 'attribute=value'",
     )
     argp.add_argument(
         "--friendly",
         action="store_true",
-        help="use friendly name, when available",
+        help="Use friendly name, when available",
     )
 
     args = argp.parse_args()