get data from all envs

static/js/custom.js

@@ -158,5 +158,85 @@ function readingTime() {
     times[i].innerText = `${time} minute read`;
   }
 }
+
+const urls = [
+  "https://gridproxy.grid.tf/stats?status=up",
+  "https://gridproxy.dev.grid.tf/stats?status=up",
+  "https://gridproxy.test.grid.tf/stats?status=up",
+  "https://gridproxy.grid.tf/stats?status=standby",
+  "https://gridproxy.dev.grid.tf/stats?status=standby",
+  "https://gridproxy.test.grid.tf/stats?status=standby",
+];
+
+async function getStats() {
+  try {
+    const stats = await Promise.all(
+      urls.map((url) => fetch(url).then((resp) => resp.json()))
+    );
+    return mergeStatsData(stats);
+  } catch (error) {
+    throw new Error(
+      `Failed to retrieve data from network statistics: ${error}`
+    );
+  }
+}
+
+function mergeStatsData(stats) {
+  const res = stats[0];
+  for (let i = 1; i < stats.length; i++) {
+    res.nodes += stats[i].nodes;
+    res.totalCru += stats[i].totalCru;
+    res.totalHru += stats[i].totalHru;
+    res.totalSru += stats[i].totalSru;
+    res.nodesDistribution = mergeNodeDistribution([
+      res.nodesDistribution,
+      stats[i].nodesDistribution,
+    ]);
+    res.countries = Object.keys(res.nodesDistribution).length;
+  }
+  let capacity = toTeraOrGiga(res.totalHru + res.totalSru);
+  document.getElementById("capacity").innerHTML = capacity;
+  document.getElementById("nodes").innerHTML = res.nodes;
+  document.getElementById("countries").innerHTML = res.countries;
+  document.getElementById("cores").innerHTML = res.totalCru
+    .toString()
+    .replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+}
+
+function mergeNodeDistribution(stats) {
+  const keys = new Set(stats.map((obj) => Object.keys(obj)).flat());
+
+  return Array.from(keys).reduce((res, key) => {
+    res[key] = 0;
+    stats.forEach((country) => {
+      res[key] += country[key] ?? 0;
+    });
+    return res;
+  }, {});
+}
+
+function toTeraOrGiga(value) {
+  const giga = 1024 ** 3;
+
+  if (!value) return "0";
+
+  const val = +value;
+  if (val === 0 || isNaN(val)) return "0";
+
+  if (val < giga) return val.toString();
+
+  let gb = val / giga;
+
+  if (gb < 1024) return `${gb.toFixed(2)} GB`;
+
+  gb = gb / 1024;
+
+  if (gb < 1024) return `${gb.toFixed(2)} TB`;
+
+  gb = gb / 1024;
+  return `${gb.toFixed(2)} PB`;
+}
+
 readingTime();
+getStats();
 document.getElementById("year").innerHTML = new Date().getFullYear();