added multi node functionality

app/services/alertmanager.py

@@ -2,6 +2,7 @@
 
 import httpx
 from app.config import ALERTMANAGER_URL
+from app.services import cluster_inventory
 
 _BASE = ALERTMANAGER_URL.rstrip("/")
 
@@ -16,14 +17,29 @@ async def get_alerts() -> list:
     except Exception:
         return []
 
+    cluster = await cluster_inventory.get_cluster_inventory()
     alerts = []
     for a in raw:
         labels = a.get("labels", {})
         annotations = a.get("annotations", {})
+        name = labels.get("alertname", "Unknown")
+        summary = annotations.get("summary", annotations.get("description", ""))
+        nf_name = _infer_nf(name, summary, labels.get("instance", ""))
+        nodes = cluster_inventory.find_nf_nodes(cluster, nf_name) if nf_name else []
         alerts.append({
-            "name":     labels.get("alertname", "Unknown"),
+            "name":     name,
             "severity": labels.get("severity", "warning"),
             "instance": labels.get("instance", ""),
-            "summary":  annotations.get("summary", annotations.get("description", "")),
+            "summary":  summary,
+            "nf":       nf_name,
+            "nodes":    nodes,
         })
     return alerts
+
+
+def _infer_nf(name: str, summary: str, instance: str) -> str:
+    text = f"{name} {summary} {instance}".upper()
+    for nf_name in ["AMF", "SMF", "UPF", "UDM", "UDR", "NRF", "AUSF", "PCF", "MME", "SGWC", "DRA", "DSM"]:
+        if nf_name in text:
+            return nf_name
+    return ""