Update scripts

.gitignore

@@ -62,6 +62,9 @@ packages/beacon-node/trusted_setup.txt
 # docker-compose .env file
 .env
 
+# Grafana secret
+.secrets.env
+
 # Git artifacts
 packages/cli/.git-data.json
 

scripts/download_dashboards.mjs

@@ -0,0 +1,109 @@
+/* eslint-disable
+  @typescript-eslint/explicit-function-return-type,
+  @typescript-eslint/naming-convention,
+  import/no-extraneous-dependencies,
+  no-console
+*/
+
+import fs from "node:fs";
+import path from "node:path";
+import axios from "axios";
+import dotenv from "dotenv";
+import {lintGrafanaDashboard, readGrafanaDashboard, writeGrafanaDashboard} from "./lint-grafana-dashboard.mjs";
+
+// Usage:
+//
+// Create a file `.secrets.env` with envs
+// ```
+// GRAFANA_API_KEY=$token
+// GRAFANA_URL=https://yourgrafanaapi.io
+// ```
+//
+// Run
+// ```
+// node scripts/download_dashboards.mjs
+// ```
+//
+// Check git diff of resulting files, commit, push and open PR
+
+// load environment variables from .env file
+dotenv.config({path: ".secrets.env"});
+
+const OUTDIR = "./dashboards";
+const UID_PREFIX_WHITELIST = "lodestar_";
+const {GRAFANA_API_KEY, GRAFANA_URL} = process.env;
+
+if (!GRAFANA_API_KEY) throw Error("GRAFANA_API_KEY not set");
+if (!GRAFANA_URL) throw Error("GRAFANA_URL not set");
+
+// Fetch all dashboard uids
+/** @type {{data: DashboardMeta[]}} */
+const dashboardListRes = await axios.get(`${GRAFANA_URL}/api/search`, {
+  headers: {Authorization: `Bearer ${GRAFANA_API_KEY}`},
+});
+
+// Iterate through each dashboard uid and download the dashboard data
+for (const dashboardMeta of dashboardListRes.data) {
+  if (!dashboardMeta.uid.startsWith(UID_PREFIX_WHITELIST)) {
+    continue;
+  }
+
+  // Note, currently Grafana API does NOT support returning a dashboard with the
+  // "Export for sharing externally" toggle turned on.
+  // https://community.grafana.com/t/export-dashboard-for-external-use-via-http-api/50716
+
+  /** @type {{data: DashboardGet}} */
+  const dashboardDataRes = await axios.get(`${GRAFANA_URL}/api/dashboards/uid/${dashboardMeta.uid}`, {
+    headers: {Authorization: `Bearer ${GRAFANA_API_KEY}`},
+  });
+
+  const outpath = path.join(OUTDIR, `${dashboardMeta.uid}.json`);
+
+  // Only update dashboards that exist locally. Sometimes developers duplicate dashboards on the Grafana server
+  // to test some new panels, with names like $uid_2.json. This script ignores those duplicates.
+  // >> To add a new dashboard touch a file with filename `$uid.json`
+  if (fs.existsSync(outpath)) {
+    const prevDashboard = readGrafanaDashboard(outpath);
+
+    // Lint dashboard to match target format
+    const newDashboard = lintGrafanaDashboard(dashboardDataRes.data.dashboard);
+
+    // Set version to same to reduce diff
+    newDashboard.version = prevDashboard.version;
+
+    // Save dashboard data to a JSON file
+    writeGrafanaDashboard(outpath, newDashboard);
+    console.log(`saved ${outpath}`);
+  }
+}
+
+// {
+//   id: 39,
+//   uid: '1iQudJZVk',
+//   title: 'Alerts',
+//   uri: 'db/alerts',
+//   url: '/dashboards/f/1iQudJZVk/alerts',
+//   slug: '',
+//   type: 'dash-folder',
+//   tags: [],
+//   isStarred: false,
+//   sortMeta: 0
+// },
+/**
+ * @typedef {Object} DashboardMeta
+ * @property {number} id
+ * @property {string} uid
+ * @property {string} title
+ * @property {string} uri
+ * @property {string} url
+ * @property {string} slug
+ * @property {string} type
+ * @property {string[]} tags
+ * @property {boolean} isStarred
+ * @property {number} sortMeta
+ */
+
+/**
+ * @typedef {Object} DashboardGet
+ * @property {import('./lint-grafana-dashboard.mjs').Dashboard} dashboard
+ */