From 28a7bbd4f39ac26e0fb205aa6319ec9341a8ab4c Mon Sep 17 00:00:00 2001
From: "Peter J. Holzer" <hjp@hjp.at>
Date: Thu, 29 Dec 2022 13:40:47 +0100
Subject: [PATCH] Skip timeseries without recent data

---
 dashboard.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/dashboard.py b/dashboard.py
index 5cf84bb..c4da931 100644
--- a/dashboard.py
+++ b/dashboard.py
@@ -1,5 +1,6 @@
 import json
 import logging
+import time
 
 from flask import (Flask, request, jsonify, abort, render_template_string, render_template)
 from markupsafe import Markup
@@ -23,6 +24,13 @@ class Dashboard:
                 if w.get("multi"):
                     ts_list = LTS.find(w["data"][0])
                     for ts in ts_list:
+                        tso = LTS(id=ts)
+                        if not tso.data:
+                            log.warning("%s has no data: Skipping", tso.id)
+                            continue
+                        if tso.data[-1][0] < time.time() - 86400:
+                            log.info("%s too old; Skipping", tso.id)
+                            continue
                         w1 = {**w, "data": [ts]}
                         self.widgets.append(Gauge(w1))
                 else: