basic env var and result check

main.py

@@ -58,8 +58,8 @@ def main():
                         # Check BMC method and perform action for esphome
                         if node.bmc_method == "esphome":
                             logger.info(f"Turning on the {node.node_name} using esphome system.")
-                            asyncio.run(power_on_esphome_system(node.node_name))
-                            label_pod_with_custom_autoscaler_trigger(pending_pod.podname, pending_pod.podnamespace)
+                            if asyncio.run(power_on_esphome_system(node.node_name)) != False:
+                                label_pod_with_custom_autoscaler_trigger(pending_pod.podname, pending_pod.podnamespace)
                         else:
                             logger.warning(f"No mechanism for BMC method '{node.bmc_method}' yet!")
 

src/bmc_handler.py

@@ -18,6 +18,10 @@ async def power_on_esphome_system(nodename):
     # Args:
     #     nodename (str): The name of the node whose power switch should be turned on.    
     # Set up connection to ESPHome API client
+    address=os.getenv(f"{nodename}_bmc_hostname")
+    if not address:
+        logger.error(f"A hostname for {nodename} was not found in an ENV variable")
+        return False
     api = APIClient(
         address=os.getenv(f"{nodename}_bmc_hostname"),
         port=os.getenv(f"{nodename}_bmc_port", 6053),
@@ -37,5 +41,6 @@ async def power_on_esphome_system(nodename):
                 logger.info(f"Power switch found for node {nodename}! Turning on switch")
                 # Create a command to turn the switch on
                 command = api.switch_command(key=entity.key, state=True)
+                return True