feat: rewrite dashboard as Next.js pages
- Remove Go dashboard (replaced by Next.js) - Add API route /api/dashboard: Docker container list, Jaeger traces, Prometheus metrics, node resources - Add /dashboard page: React client component with inline SVG charts (donut, sparkline, gauge), auto-refresh every 15s - Same dark theme as original Go dashboard Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
asepharyana
co-authored by
Claude Opus 4.8
Claude Opus 4.8
parent
91896b8fdf
commit
72f4759f8b
@@ -0,0 +1,177 @@
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import { NextResponse } from 'next/server';
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import http from 'node:http';
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const JAEGER = 'http://jaeger:16686';
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const PROMETHEUS = 'http://prometheus:9090';
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const DOCKER_SOCK = '/var/run/docker.sock';
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interface Container {
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Names: string[];
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State: string;
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Labels: Record<string, string>;
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NetworkSettings?: { Networks?: Record<string, unknown> };
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}
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interface Trace {
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service: string;
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operation: string;
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duration: number;
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spans: number;
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hasError: boolean;
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}
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interface Service {
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name: string;
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state: string;
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hasWeb: boolean;
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}
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function dockerFetch(path: string): Promise<unknown> {
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return new Promise((resolve, reject) => {
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http.get({ socketPath: DOCKER_SOCK, path }, (res) => {
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let data = '';
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res.on('data', (c: string) => (data += c));
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res.on('end', () => {
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try {
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resolve(JSON.parse(data));
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} catch {
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resolve(null);
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}
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});
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}).on('error', reject);
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});
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}
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async function fetchJSON(url: string): Promise<unknown> {
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try {
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const res = await fetch(url, { signal: AbortSignal.timeout(5000) });
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return res.json();
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} catch {
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return null;
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}
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}
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function parseServices(containers: Container[]): Service[] {
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const project = containers.find((c) => c.Labels['com.docker.compose.project'])
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?.Labels['com.docker.compose.project'];
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return containers
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.filter((c) => {
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if (!c.NetworkSettings?.Networks?.['app-shared-net']) return false;
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if (project && c.Labels['com.docker.compose.project'] !== project) return false;
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return true;
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})
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.map((c) => ({
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name: c.Names[0].replace(/^\//, ''),
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state: c.State,
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hasWeb: Object.keys(c.Labels).some(
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(k) => k.startsWith('traefik.http.routers.') && k.endsWith('.rule'),
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),
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}));
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}
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async function fetchTraces(): Promise<Trace[]> {
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const svcRes = await fetchJSON(`${JAEGER}/api/services`);
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if (!svcRes || !Array.isArray((svcRes as { data?: string[] }).data)) return [];
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const now = Date.now() * 1000;
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const start = now - 5 * 60 * 1_000_000;
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const all: Trace[] = [];
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for (const service of (svcRes as { data: string[] }).data) {
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const d = await fetchJSON(
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`${JAEGER}/api/traces?service=${encodeURIComponent(service)}&start=${start}&end=${now}&limit=5&lookback=5m`,
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);
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if (!d || !Array.isArray((d as { data?: unknown[] }).data)) continue;
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for (const t of (d as { data: { duration: number; spans: { operationName: string; processID: string; tags: { key: string; value: unknown }[] }[]; processes: Record<string, { serviceName: string }> }[] }).data) {
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if (!t.spans?.length) continue;
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const span = t.spans[0];
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const svc = t.processes[span.processID]?.serviceName || 'unknown';
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const hasError = t.spans.some((s) =>
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s.tags?.some((tag) => tag.key === 'error' && tag.value === true),
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);
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all.push({
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service: svc,
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operation: span.operationName,
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duration: t.duration,
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spans: t.spans.length,
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hasError,
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});
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}
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}
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return all.sort((a, b) => b.duration - a.duration).slice(0, 20);
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}
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async function promQuery(query: string): Promise<number | null> {
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const d = await fetchJSON(
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`${PROMETHEUS}/api/v1/query?query=${encodeURIComponent(query)}`,
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);
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const result = (d as { data?: { result?: { value?: unknown[] }[] } })?.data?.result;
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if (!result?.length) return null;
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const val = result[0].value?.[1];
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return val ? parseFloat(val as string) : null;
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}
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interface DashboardData {
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services: Service[];
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traces: Trace[];
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node: {
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cpu: number | null;
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ram: number | null;
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disk: number | null;
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load1: number | null;
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load5: number | null;
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load15: number | null;
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netIn: number | null;
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netOut: number | null;
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};
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links: { url: string; label: string }[];
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}
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export async function GET() {
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const [containersRaw] = await Promise.all([
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dockerFetch('/containers/json?all=true') as Promise<Container[]>,
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]);
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const containers = Array.isArray(containersRaw) ? containersRaw : [];
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const services = parseServices(containers);
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const [traces, cpu, ram, disk, load1, load5, load15, netIn, netOut] =
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await Promise.all([
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fetchTraces(),
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promQuery(`100 - (avg by(instance)(rate(node_cpu_seconds_total{mode="idle"}[1m])) * 100)`),
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promQuery(`(1 - node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes) * 100`),
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promQuery(`(1 - node_filesystem_avail_bytes{mountpoint="/",fstype!="tmpfs"} / node_filesystem_size_bytes{mountpoint="/",fstype!="tmpfs"}) * 100`),
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promQuery('node_load1'),
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promQuery('node_load5'),
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promQuery('node_load15'),
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promQuery(`rate(node_network_receive_bytes_total{device!="lo"}[1m])`),
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promQuery(`rate(node_network_transmit_bytes_total{device!="lo"}[1m])`),
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]);
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const links: { url: string; label: string }[] = [
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{ url: '/jaeger', label: 'Jaeger UI' },
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];
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if (containers.some((c) => c.Names?.some((n) => n.includes('prometheus')))) {
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links.push({ url: '/api/prometheus/targets', label: 'Prometheus' });
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}
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links.push({ url: 'https://github.com/asepharyana/asepharyana-hub', label: 'GitHub' });
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const domains = ['asepharyana.my.id', 'asepharyana.web.id'];
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for (const s of services) {
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if (s.hasWeb && s.state === 'running') {
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links.push({ url: `https://${s.name}.${domains[0]}`, label: s.name });
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}
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}
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const data: DashboardData = {
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services,
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traces,
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node: { cpu, ram, disk, load1, load5, load15, netIn, netOut },
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links,
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};
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return NextResponse.json(data);
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}
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@@ -0,0 +1,332 @@
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'use client';
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import { useEffect, useState } from 'react';
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interface Service {
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name: string;
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state: string;
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hasWeb: boolean;
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}
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interface Trace {
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service: string;
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operation: string;
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duration: number;
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spans: number;
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hasError: boolean;
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}
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interface DashboardData {
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services: Service[];
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traces: Trace[];
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node: {
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cpu: number | null;
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ram: number | null;
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disk: number | null;
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load1: number | null;
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load5: number | null;
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load15: number | null;
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netIn: number | null;
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netOut: number | null;
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};
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links: { url: string; label: string }[];
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}
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function safeDur(us: number): string {
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if (us < 1000) return `${us}µs`;
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if (us < 1_000_000) return `${(us / 1000).toFixed(1)}ms`;
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return `${(us / 1_000_000).toFixed(2)}s`;
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}
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function Donut({ running, degraded }: { running: number; degraded: number }) {
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const total = running + degraded;
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if (!total) return <NoData />;
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const cx = 100, cy = 90, R = 60, circ = 2 * Math.PI * R;
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const segs = [
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{ n: running, c: '#3fb950', l: 'Running' },
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{ n: degraded, c: '#d29922', l: 'Degraded' },
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];
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let off = 0;
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return (
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<svg width={200} height={210} viewBox="0 0 200 210">
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<style>{`.sl{font-family:system-ui,sans-serif;font-size:10px;fill:#8b949e}`}</style>
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{segs.map((s) => {
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if (!s.n) return null;
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const frac = s.n / total;
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const ln = frac * circ;
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const el = (
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<circle key={s.l} cx={cx} cy={cy} r={R} fill="none" stroke={s.c} strokeWidth={14}
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strokeDasharray={`${ln} ${circ - ln}`} strokeDashoffset={-off}
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transform={`rotate(-90 ${cx} ${cy})`} />
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);
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off += ln;
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return el;
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})}
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<text x={cx} y={cy - 4} textAnchor="middle" fill="#e6edf3" fontSize={26} fontWeight={700} fontFamily="system-ui,sans-serif">{total}</text>
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<text x={cx} y={cy + 14} textAnchor="middle" className="sl">total</text>
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{segs.filter(s => s.n).map((s, i) => (
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<g key={s.l}>
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<circle cx={16} cy={165 + i * 16} r={4} fill={s.c} />
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<text x={26} y={168 + i * 16} className="sl">{s.l}: {s.n}</text>
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</g>
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))}
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</svg>
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);
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}
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function Sparkline({ data, color }: { data: number[]; color: string }) {
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const w = 300, h = 160, pl = 45, pt = 20, pr = 10, pb = 25;
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const vw = w - pl - pr, vh = h - pt - pb;
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if (!data.length) return <NoData />;
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const maxV = Math.max(...data.map(Math.abs), 1);
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const pts = data.map((v, i) =>
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`${(pl + vw * i / (data.length - 1)).toFixed(1)},${(pt + vh * (1 - v / maxV)).toFixed(1)}`
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).join(' ');
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const area = `M${pl},${pt + vh} L${pts} L${pl + vw},${pt + vh} Z`;
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const lv = data[data.length - 1];
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const ly = pt + vh * (1 - lv / maxV);
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return (
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<svg width={w} height={h} viewBox={`0 0 ${w} ${h}`}>
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<style>{`.ax{font-family:system-ui,sans-serif;font-size:9px;fill:#6e7681}`}</style>
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{[0, 1, 2, 3, 4].map(i => {
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const y = pt + vh * i / 4;
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return (
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<g key={i}>
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<line x1={pl} y1={y} x2={pl + vw} y2={y} stroke="#21262d" strokeWidth={1} />
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<text x={pl - 6} y={y + 3} textAnchor="end" className="ax">{(maxV * (1 - i / 4)).toFixed(0)}</text>
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</g>
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);
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})}
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<path d={area} fill={color} opacity={0.15} />
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<polyline points={pts} fill="none" stroke={color} strokeWidth={2} strokeLinejoin="round" />
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<text x={pl + vw} y={ly - 10} textAnchor="end" fill={color} fontSize={11} fontWeight={600}
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fontFamily="system-ui,sans-serif">{lv.toFixed(1)}</text>
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{data.length > 5 && [...Array(5)].map((_, i) => {
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const idx = Math.floor((i + 1) * (data.length - 1) / 5);
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const x = pl + vw * idx / (data.length - 1);
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return <text key={i} x={x} y={pt + vh + 16} textAnchor="middle" className="ax">{idx + 1}</text>;
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})}
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</svg>
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);
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}
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function Gauge({ pct, color, label, unit }: { pct: number | null; color: string; label: string; unit: string }) {
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if (pct === null || pct <= 0) return <NoData />;
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const w = 220, h = 100, bw = 200, bh = 14;
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const bx = (w - bw) / 2, by = 30;
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const fw = bw * Math.min(pct / 100, 1);
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return (
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<svg width={w} height={h} viewBox={`0 0 ${w} ${h}`}>
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<style>{`.gt{font-family:system-ui,sans-serif;font-size:11px;fill:#8b949e;text-anchor:middle}`}</style>
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<rect x={bx} y={by} width={bw} height={bh} rx={7} ry={7} fill="#1c2333" />
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{fw > 0 && <rect x={bx} y={by} width={fw} height={bh} rx={7} ry={7} fill={color} opacity={0.85} />}
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<text x={w / 2} y={14} className="gt" fontWeight={600} fill={color}>{label}</text>
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<text x={w / 2} y={by + bh + 24} className="gt" fill="#e6edf3" fontSize={14} fontWeight={700}>
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{pct.toFixed(1)}{unit}
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</text>
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</svg>
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);
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}
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function NoData() {
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return (
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<svg width={200} height={100} viewBox="0 0 200 100">
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<text x={100} y={50} textAnchor="middle" fill="#6e7681" fontSize={12} fontFamily="system-ui,sans-serif">No data</text>
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</svg>
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);
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}
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function Pill({ state }: { state: string }) {
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const dot: Record<string, string> = { running: '#3fb950', jaeger: '#58a6ff', exited: '#f85149', restarting: '#d29922' };
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return <span style={{ display: 'inline-flex', alignItems: 'center', gap: 5, padding: '5px 8px', border: '1px solid #30363d', borderRadius: 5, fontSize: 11, background: '#0d1117' }}>
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<span style={{ width: 6, height: 6, borderRadius: '50%', background: dot[state] || '#8b949e', flexShrink: 0 }} />
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<span style={{ fontFamily: "'SF Mono','Fira Code',monospace", fontSize: 10 }}>{state}</span>
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</span>;
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}
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export default function Dashboard() {
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const [data, setData] = useState<DashboardData | null>(null);
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const [time, setTime] = useState('');
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useEffect(() => {
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const fetchData = async () => {
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try {
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const res = await fetch('/api/dashboard');
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if (res.ok) setData(await res.json());
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} catch { /* ignore */ }
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};
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fetchData();
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const id = setInterval(fetchData, 15000);
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return () => clearInterval(id);
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}, []);
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useEffect(() => {
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const tick = () => setTime(new Date().toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' }));
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tick();
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const id = setInterval(tick, 10000);
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return () => clearInterval(id);
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}, []);
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const running = data?.services.filter(s => s.state === 'running').length ?? 0;
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const degraded = (data?.services.length ?? 0) - running;
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const hasNode = data?.node.cpu !== null || data?.node.ram !== null;
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const hasOTel = false;
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const node = data?.node;
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const gaugeColor = (v: number | null) => {
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if (v === null) return '#3fb950';
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if (v > 80) return '#f85149';
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if (v > 60) return '#d29922';
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return '#3fb950';
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};
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return (
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<div style={{ background: '#0d1117', color: '#e6edf3', minHeight: '100vh', fontFamily: "-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif", lineHeight: 1.5 }}>
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<style>{`
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*{margin:0;padding:0;box-sizing:border-box}
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@media(min-width:769px){.grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}}
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.card{border:1px solid #30363d;border-radius:8px;padding:14px;background:#161b22;transition:border-color .2s}
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.card:hover{border-color:#3d444d}
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@media(max-width:480px){.card{padding:12px;border-radius:6px}}
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.card-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:8px}
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.card-h h2{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#8b949e}
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.card-h .badge{font-size:9px;background:#1c2333;padding:2px 8px;border-radius:8px;color:#8b949e;white-space:nowrap}
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.card-c{display:flex;justify-content:center;align-items:center;width:100%}
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::-webkit-scrollbar{width:8px}
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::-webkit-scrollbar-thumb{background:#30363d;border-radius:4px}
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.link{color:#58a6ff;text-decoration:none;font-size:10px;padding:4px 8px;border:1px solid #30363d;border-radius:5px;transition:all .15s;line-height:1.4}
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.link:hover{background:#1c2333;border-color:#58a6ff}
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.stat-box{background:#1c2333;border-radius:6px;padding:10px 6px;text-align:center}
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.stat-val{font-size:20px;font-weight:700;font-family:'SF Mono','Fira Code',monospace;line-height:1.2}
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.stat-lbl{font-size:9px;color:#8b949e;margin-top:2px;text-transform:uppercase;letter-spacing:.04em}
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`}</style>
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<header style={{
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display: 'flex', justifyContent: 'space-between', alignItems: 'center',
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padding: '12px 20px', borderBottom: '1px solid #30363d',
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background: 'rgba(22,27,34,.92)', backdropFilter: 'blur(12px)',
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position: 'sticky', top: 0, zIndex: 100, gap: 8,
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}}>
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<div style={{ display: 'flex', alignItems: 'center', gap: 10 }}>
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<span style={{
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width: 28, height: 28, borderRadius: 6,
|
||||
background: 'linear-gradient(135deg,#58a6ff,#bc8cff)',
|
||||
display: 'flex', alignItems: 'center', justifyContent: 'center',
|
||||
fontWeight: 700, fontSize: 12, color: '#fff', flexShrink: 0,
|
||||
}}>H</span>
|
||||
<div>
|
||||
<h1 style={{ fontSize: 16, fontWeight: 600 }}>Hub Dashboard</h1>
|
||||
</div>
|
||||
</div>
|
||||
<div style={{ display: 'flex', alignItems: 'center', gap: 10 }}>
|
||||
<span style={{
|
||||
display: 'flex', alignItems: 'center', gap: 5, fontSize: 11,
|
||||
padding: '4px 12px', borderRadius: 20, fontWeight: 500,
|
||||
background: degraded ? 'rgba(210,153,34,.12)' : 'rgba(63,185,80,.12)',
|
||||
color: degraded ? '#d29922' : '#3fb950',
|
||||
}}>
|
||||
<span style={{ width: 7, height: 7, borderRadius: '50%', background: degraded ? '#d29922' : '#3fb950' }} />
|
||||
{degraded ? `${degraded} degraded` : 'All Systems Operational'}
|
||||
</span>
|
||||
<span style={{ color: '#6e7681', fontSize: 10 }}>{time}</span>
|
||||
</div>
|
||||
</header>
|
||||
|
||||
<div style={{ maxWidth: 1440, margin: '0 auto', padding: '12px 16px' }}>
|
||||
<div className="grid" style={{ display: 'grid', gap: 10 }}>
|
||||
{/* Services */}
|
||||
<div className="card">
|
||||
<div className="card-h"><h2>Services</h2><span className="badge">{data?.services.length ?? 0}</span></div>
|
||||
<div style={{ display: 'flex', flexWrap: 'wrap', gap: 4 }}>
|
||||
{data?.services.map(s => (
|
||||
<span key={s.name} style={{
|
||||
display: 'inline-flex', alignItems: 'center', gap: 5,
|
||||
padding: '5px 8px', border: '1px solid #30363d', borderRadius: 5, fontSize: 11,
|
||||
}}>
|
||||
<span style={{
|
||||
width: 6, height: 6, borderRadius: '50%', flexShrink: 0,
|
||||
background: s.state === 'running' ? '#3fb950' : s.state === 'jaeger' ? '#58a6ff' : '#f85149',
|
||||
}} />
|
||||
<span style={{ fontFamily: "'SF Mono','Fira Code',monospace", fontSize: 10 }}>{s.name}</span>
|
||||
</span>
|
||||
)) || <span style={{ color: '#6e7681', padding: 16, textAlign: 'center', width: '100%', fontSize: 11 }}>No services detected</span>}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Overview */}
|
||||
<div className="card">
|
||||
<div className="card-h"><h2>Overview</h2></div>
|
||||
<div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr', gap: 6 }}>
|
||||
<div className="stat-box"><div className="stat-val" style={{ color: '#58a6ff' }}>{data?.services.length ?? '-'}</div><div className="stat-lbl">Total</div></div>
|
||||
<div className="stat-box"><div className="stat-val" style={{ color: '#58a6ff' }}>{running}</div><div className="stat-lbl">Healthy</div></div>
|
||||
<div className="stat-box"><div className="stat-val" style={{ color: '#3fb950' }}>{data?.traces.length ?? 0}</div><div className="stat-lbl">Traces</div></div>
|
||||
<div className="stat-box"><div className="stat-val" style={{ color: '#f85149' }}>0</div><div className="stat-lbl">Errors</div></div>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Health */}
|
||||
<div className="card">
|
||||
<div className="card-h"><h2>Health</h2></div>
|
||||
<div className="card-c"><Donut running={running} degraded={degraded} /></div>
|
||||
</div>
|
||||
|
||||
{/* Links */}
|
||||
<div className="card">
|
||||
<div className="card-h"><h2>Links</h2></div>
|
||||
<div style={{ display: 'flex', flexWrap: 'wrap', gap: 4 }}>
|
||||
{data?.links.map(l => (
|
||||
<a key={l.url} href={l.url} target="_blank" className="link">{l.label}</a>
|
||||
))}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Node Resources */}
|
||||
{hasNode && (
|
||||
<div className="card">
|
||||
<div className="card-h">
|
||||
<h2>System Resources</h2>
|
||||
<span className="badge">{node?.load1?.toFixed(2)} {node?.load5?.toFixed(2)} {node?.load15?.toFixed(2)}</span>
|
||||
</div>
|
||||
<div style={{ display: 'grid', gridTemplateColumns: 'repeat(auto-fit,minmax(160px,1fr))', gap: 6 }}>
|
||||
<div className="card-c"><Gauge pct={node?.cpu ?? null} color={gaugeColor(node?.cpu ?? null)} label="CPU Usage" unit="%" /></div>
|
||||
<div className="card-c"><Gauge pct={node?.ram ?? null} color={gaugeColor(node?.ram ?? null)} label="Memory Usage" unit="%" /></div>
|
||||
<div className="card-c"><Gauge pct={node?.disk ?? null} color={gaugeColor(node?.disk ?? null)} label="Disk Usage" unit="%" /></div>
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Traces */}
|
||||
<div className="card">
|
||||
<div className="card-h"><h2>Recent Traces</h2><span className="badge">{data?.traces.length ?? 0}</span></div>
|
||||
{data?.traces.length ? (
|
||||
<ul style={{ listStyle: 'none' }}>
|
||||
{data.traces.map((t, i) => (
|
||||
<li key={i} style={{
|
||||
padding: '6px 0', borderBottom: '1px solid #21262d',
|
||||
fontSize: 11, display: 'flex', justifyContent: 'space-between', alignItems: 'center', gap: 6,
|
||||
}}>
|
||||
<div style={{ overflow: 'hidden', minWidth: 0 }}>
|
||||
<div style={{ fontWeight: 500, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>{t.service}</div>
|
||||
<div style={{ color: '#8b949e', fontSize: 10, fontFamily: "'SF Mono','Fira Code',monospace", overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', maxWidth: 200 }}>{t.operation}</div>
|
||||
</div>
|
||||
<div style={{ display: 'flex', gap: 8, fontSize: 10, color: '#8b949e', flexShrink: 0, alignItems: 'center' }}>
|
||||
<span style={{ fontFamily: "'SF Mono',monospace", fontWeight: 500, color: '#58a6ff' }}>{safeDur(t.duration)}</span>
|
||||
<span>{t.spans}</span>
|
||||
{t.hasError && <span style={{ color: '#f85149', padding: '1px 5px', borderRadius: 3, background: 'rgba(248,81,73,.1)', fontSize: 9 }}>err</span>}
|
||||
</div>
|
||||
</li>
|
||||
))}
|
||||
</ul>
|
||||
) : <div style={{ textAlign: 'center', padding: 16, color: '#6e7681', fontSize: 11 }}>No traces — data appears once services send OTel telemetry</div>}
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
Reference in New Issue
Block a user