👌 IMPROVE: Update Prometheus and Grafana images, enhance Hetzner DNS mapping, and add Prometheus reload functionality

hetzner_discovery.py

@@ -7,8 +7,10 @@ from dotenv import load_dotenv
 # Load environment variables from .env file
 load_dotenv()
 
-# 🔑 Load Hetzner API Token
+# 🔑 Load Hetzner API Token & Prometheus URL
 HETZNER_API_TOKEN = os.getenv("HETZNER_API_TOKEN")
+# https://prometheus.io/docs/prometheus/latest/configuration/configuration/
+PROMETHEUS_RELOAD_URL = os.getenv("PROMETHEUS_RELOAD_URL", "https://prometheus.phx-erp.de:9090/-/reload")
 
 # Check if token is loaded
 if not HETZNER_API_TOKEN:
@@ -143,6 +145,16 @@ def generate_prometheus_sd_config():
     else:
         print("✅ No servers were excluded due to the darklist.")
 
+    # 🔄 **Trigger Prometheus Reload**
+    try:
+        response = requests.post(PROMETHEUS_RELOAD_URL)
+        if response.status_code == 200:
+            print("🔄 ✅ Prometheus configuration reloaded successfully!")
+        else:
+            print(f"⚠️ Warning: Prometheus reload failed with status {response.status_code}: {response.text}")
+    except requests.exceptions.RequestException as e:
+        print(f"❌ Error reloading Prometheus: {e}")
+
 # 🔄 Run the script
 if __name__ == "__main__":
     generate_prometheus_sd_config()