NOC ARP auto-heal for .242/.243, per-site Gitea repos updated

dashboard/noc.py

@@ -29,24 +29,40 @@ def probe(vertical, info):
              color=info["color"], alive=False, articles=0, views=0, today=0,
              subs=0, latency=0, arts=[], error=None)
     try:
+        # Pre-flush ARP for known problematic IPs
+        if info["ip"] in ("10.30.20.242", "10.30.20.243"):
+            os.system(f"sudo arp -d {info['ip']} 2>/dev/null")
         t0 = time.time()
         r = requests.get(f"http://{info['ip']}:80/health", timeout=5)
         s["latency"] = round((time.time() - t0) * 1000)
         if r.status_code == 200:
             s["alive"] = True
             s["articles"] = r.json().get("articles", 0)
+    except Exception as e:
+        s["error"] = str(e)[:50]
+        # Stale ARP auto-fix for problematic CTs
+        if info["ip"] in ("10.30.20.242", "10.30.20.243"):
+            os.system(f"sudo arp -d {info['ip']} 2>/dev/null")
+        return vertical, s
+    
+    try:
         r2 = requests.get(f"http://{info['ip']}:80/api/stats", timeout=5)
         if r2.status_code == 200:
             d = r2.json()
             s["views"] = d.get("total_views", 0)
             s["today"] = d.get("today_views", 0)
+    except Exception:
+        pass
+    
+    try:
         r3 = requests.get(f"http://{info['ip']}:80/api/articles?limit=3", timeout=5)
         if r3.status_code == 200:
             s["arts"] = [{"t": a.get("title", "")[:65], "s": a.get("slug", ""),
                           "d": (a.get("published_at") or "")[:10], "w": a.get("word_count", 0)}
                          for a in r3.json()[:3]]
-    except Exception as e:
-        s["error"] = str(e)[:50]
+    except Exception:
+        pass
+    
     return vertical, s
 
 def refresh():