feat(shelly): raise taupunktschwelle and add Terraform output for script status

terraform_shelly/.terraform.lock.hcl

@@ -23,6 +23,27 @@ provider "registry.terraform.io/donrobo/shelly" {
   ]
 }
 
+provider "registry.terraform.io/hashicorp/external" {
+  version     = "2.4.0"
+  constraints = "~> 2.3"
+  hashes = [
+    "h1:vvIsrZAD5eNoNtXvNcBUxkA9k2A4JcC8JTDFbM9d8gc=",
+    "zh:0772afb42b658468ac5e15df33bf2080456f8f0b8ab163bfe9c50d2b2ea02135",
+    "zh:0ac31a9aaa43dfcff5944b791596cdc94e153348e4bb4642282d034dff548134",
+    "zh:32d8492b1bdcc956ca3c6d00c6392d0a83942ff11d4820c7ee63ca6796e06950",
+    "zh:3c0482e894429f528ce6655a76ab0d8a9f7c0dacc6c828865e1515d4a7dbb852",
+    "zh:61e68100b4db2f930b31491f23c602126382fd5e51252be1b551f0e17f8ddbee",
+    "zh:6d60f615a0ad85eb962c9eb94f25e3eba7a72684ce276ba5dfb23f36b295a8f8",
+    "zh:78d5eefdd9e494defcb3c68d282b8f96630502cac21d1ea161f53cfe9bb483b3",
+    "zh:9ced2745eb5f1346203027d2dd7bf856ad1d279a25730ff7dbc6eec187aaca0c",
+    "zh:a8378558a177d43f55aa0d79d4fae91a704695122a1b109668c1daa8fb76f09d",
+    "zh:aadd98086133d3ebea67437d56512fdcc6dfb3bd34dfc23f276c0db9272e27b4",
+    "zh:beff701b653841e70441978137768f54e7dc6c27e7bf12a4589087f01f5bbcee",
+    "zh:c91c2223b29fdbc0044d20e1936ccc051d010727a13f2ff1e75e51f09bff33a3",
+    "zh:d491f9c2d32a39dc4031628469ae7c8aec0074312a7c1f0286b173cdcf854a54",
+  ]
+}
+
 provider "registry.terraform.io/hashicorp/local" {
   version     = "2.9.0"
   constraints = "~> 2.4"

terraform_shelly/main.tf

@@ -39,3 +39,17 @@ resource "null_resource" "upload_script" {
 
   depends_on = [shelly_script_config.taupi]
 }
+
+data "external" "script_status" {
+  program = ["python3", "${path.module}/scripts/get_status.py", var.shelly_ip, "1"]
+  
+  # Trigger re-run whenever upload finishes
+  query = {
+    trigger = null_resource.upload_script.id
+  }
+}
+
+output "script_status" {
+  value       = data.external.script_status.result
+  description = "The runtime status of the Shelly script"
+}

terraform_shelly/providers.tf

@@ -12,6 +12,10 @@ terraform {
       source  = "hashicorp/local"
       version = "~> 2.4"
     }
+    external = {
+      source  = "hashicorp/external"
+      version = "~> 2.3"
+    }
   }
   required_version = ">= 1.0"
 }

terraform_shelly/scripts/get_status.py

@@ -0,0 +1,48 @@
+import sys
+import json
+import urllib.request
+
+def get_status(ip, script_id):
+    url = f"http://{ip}/rpc"
+    payload = {
+        "id": 1,
+        "method": "Script.GetStatus",
+        "params": {"id": int(script_id)}
+    }
+    req = urllib.request.Request(
+        url,
+        data=json.dumps(payload).encode('utf-8'),
+        headers={'Content-Type': 'application/json'}
+    )
+    try:
+        with urllib.request.urlopen(req) as resp:
+            res = json.loads(resp.read().decode('utf-8'))
+            if "result" in res:
+                status = res["result"]
+                # Convert all values to strings as HashiCorp External Provider only accepts string properties
+                return {k: str(v) for k, v in status.items() if v is not None}
+            elif "error" in res:
+                return {"error": str(res["error"])}
+    except Exception as e:
+        return {"error": str(e)}
+    return {"error": "unknown"}
+
+if __name__ == "__main__":
+    if len(sys.argv) < 3:
+        # Check stdin if arguments are missing (sometimes Terraform passes parameters to stdin)
+        try:
+            input_data = json.loads(sys.stdin.read())
+            ip = input_data.get("ip")
+            script_id = input_data.get("script_id")
+        except:
+            ip, script_id = None, None
+            
+        if not ip or not script_id:
+            print(json.dumps({"error": "Usage: get_status.py <ip> <script_id> or pass JSON via stdin"}))
+            sys.exit(1)
+    else:
+        ip = sys.argv[1]
+        script_id = sys.argv[2]
+
+    status = get_status(ip, script_id)
+    print(json.dumps(status))

terraform_shelly/variables.tf

@@ -17,7 +17,7 @@ variable "sensor_innen_mac" {
 variable "taupunktschwelle" {
   type        = number
   description = "Dew point difference threshold [°C] to trigger the fan (indoor_dp > outdoor_dp + threshold)"
-  default     = 2
+  default     = 4
 }
 
 variable "mindesttemperatur" {