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import React, { useEffect, useState, useCallback } from 'react'; import Link from 'next/link'; import { useRealtimeMetrics, type Alert } from '@/hooks/useRealtimeMetrics'; import { getSLOStatusColor, getSLOStatusText, formatWindow, type SLOResult, type SLOTrendPoint } from '@/lib/observability/slo-utils'; import { SLOCard, type TrendIndicator } from '@/components/features/admin/monitoring/SLOCard'; import { MetricsSummary } from '@/components/features/admin/monitoring/MetricsSummary'; import { LiveIndicator } from '@/components/features/admin/monitoring/LiveIndicator'; import { RecentRumEvents } from '@/components/features/admin/monitoring/RecentRumEvents'; import { WebVitalsCard } from '@/components/features/admin/monitoring/WebVitalsCard'; import type { WebVitalName, WebVitalStats, PageWebVitals } from '@/lib/observability/web-vitals'; /** * SLO with trend data */ export type SLOWithTrend = SLOResult & { trend: SLOTrendPoint[]; trendIndicator: TrendIndicator | null; }; /** * Web Vitals data structure */ export interface WebVitalsData { vitals: Record<WebVitalName, WebVitalStats>; byPage: PageWebVitals[]; totalMeasurements: number; } /** * Error log entry */ export interface ErrorLogEntry { id: number | string; category: string; message: string; createdAt: Date | string; } /** * RUM event summary */ export interface RumEventSummary { type: string; _count: number; } /** * SLO Alert from database */ export interface SLOAlertEntry { id: string; sloName: string; status: string; current: number; target: number; budgetConsumed: number; createdAt: Date | string; resolvedAt: Date | string | null; } /** * SLO Alert stats */ export interface SLOAlertStats { total: number; active: number; byStatus: Record<string, number>; bySLO: Array<{ sloName: string; count: number }>; } /** * SLO Alerts data */ export interface SLOAlertsData { active: SLOAlertEntry[]; recent: SLOAlertEntry[]; stats: SLOAlertStats; } /** * Initial data passed from server */ export interface ObservabilityInitialData { slos: SLOWithTrend[]; metrics: { totalRequests: number; successRate: number; avgDuration: number; errorCount: number; }; rumSummary: RumEventSummary[]; recentErrors: ErrorLogEntry[]; webVitals: WebVitalsData; sloAlerts?: SLOAlertsData; } export interface ObservabilityDashboardProps { /** Initial data from server */ initialData: ObservabilityInitialData; /** Enable real-time updates */ enableRealtime?: boolean; /** Enable incident mode for faster updates */ incidentMode?: boolean; } /** * ObservabilityDashboard Component * * Real-time observability dashboard with SSE streaming updates. * Falls back to polling if SSE is not available. */ export function ObservabilityDashboard({ initialData, enableRealtime = true, incidentMode = false, }: ObservabilityDashboardProps) { // Local state for data (initialized from server, updated from SSE) const [slos, setSlos] = useState<SLOWithTrend[]>(initialData.slos); const [metrics, setMetrics] = useState(initialData.metrics); const [recentErrors, setRecentErrors] = useState(initialData.recentErrors); const [activeAlerts, setActiveAlerts] = useState<Alert[]>([]); // Handle alerts const handleAlert = useCallback((alerts: Alert[]) => { setActiveAlerts(alerts); // Request notification permission and show desktop notification for critical alerts if (alerts.some((a) => a.status === 'critical') && typeof Notification !== 'undefined') { if (Notification.permission === 'granted') { const criticalAlerts = alerts.filter((a) => a.status === 'critical'); new Notification('Critical SLO Alert', { body: `${criticalAlerts.length} SLO(s) in critical state: ${criticalAlerts.map((a) => a.sloName).join(', ')}`, icon: '/favicon.ico', tag: 'slo-alert', }); } else if (Notification.permission !== 'denied') { Notification.requestPermission(); } } }, []); // Real-time metrics hook (only active when enableRealtime is true) const { slos: realtimeSlos, metrics: realtimeMetrics, recentErrors: realtimeErrors, status, lastUpdate, isPolling, reconnect, } = useRealtimeMetrics({ incidentMode, onAlert: handleAlert, }); // Update local state when real-time data arrives useEffect(() => { if (!enableRealtime) return; if (realtimeSlos.length > 0) { // Merge realtime SLO data with trend info from initial data const mergedSlos = realtimeSlos.map((rtSlo) => { const initialSlo = initialData.slos.find((s) => s.name === rtSlo.name); return { ...rtSlo, trend: initialSlo?.trend || [], trendIndicator: initialSlo?.trendIndicator || null, } as SLOWithTrend; }); // Use queueMicrotask to avoid synchronous setState in effect body queueMicrotask(() => setSlos(mergedSlos)); } }, [enableRealtime, realtimeSlos, initialData.slos]); useEffect(() => { if (!enableRealtime) return; if (realtimeMetrics) { // Use queueMicrotask to avoid synchronous setState in effect body queueMicrotask(() => setMetrics(realtimeMetrics)); } }, [enableRealtime, realtimeMetrics]); useEffect(() => { if (!enableRealtime) return; if (realtimeErrors.length > 0) { // Use queueMicrotask to avoid synchronous setState in effect body queueMicrotask(() => setRecentErrors(realtimeErrors as ErrorLogEntry[])); } }, [enableRealtime, realtimeErrors]); // Group SLOs by category const slosByCategory = slos.reduce( (acc, slo) => { if (!acc[slo.category]) { acc[slo.category] = []; } acc[slo.category].push(slo); return acc; }, {} as Record<string, SLOWithTrend[]> ); const categoryOrder = ['overall', 'api', 'checkout', 'search']; return ( <div className="p-6 min-h-screen bg-gray-50 dark:bg-gray-900"> <div className="max-w-7xl mx-auto"> {/* Header */} <div className="flex items-start justify-between mb-6"> <div> <div className="flex items-center gap-3"> <h1 className="text-2xl font-bold text-gray-900 dark:text-white"> Observability Dashboard </h1> {enableRealtime && ( <LiveIndicator status={status} lastUpdate={lastUpdate} isPolling={isPolling} onReconnect={reconnect} compact /> )} </div> <p className="text-gray-600 dark:text-gray-400 mt-1"> Monitor system health, SLOs, and user experience metrics </p> </div> {/* Quick Links */} <div className="flex gap-2"> <Link href="/admin/monitoring/traces" className="px-4 py-2 text-sm font-medium rounded-md bg-blue-600 text-white hover:bg-blue-700 transition-colors flex items-center gap-2" > <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"> <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 17v-2m3 2v-4m3 4v-6m2 10H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" /> </svg> Trace Explorer </Link> <Link href="/admin/monitoring/slo" className="px-4 py-2 text-sm font-medium rounded-md bg-gray-100 dark:bg-gray-700 text-gray-700 dark:text-gray-300 hover:bg-gray-200 dark:hover:bg-gray-600 transition-colors flex items-center gap-2" > <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"> <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" /> </svg> SLO Trends </Link> <Link href="/admin/monitoring/performance" className="px-4 py-2 text-sm font-medium rounded-md bg-gray-100 dark:bg-gray-700 text-gray-700 dark:text-gray-300 hover:bg-gray-200 dark:hover:bg-gray-600 transition-colors flex items-center gap-2" > <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"> <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 7h8m0 0v8m0-8l-8 8-4-4-6 6" /> </svg> Performance </Link> </div> </div> {/* Active Alerts Banner */} {(activeAlerts.length > 0 || (initialData.sloAlerts?.active.length ?? 0) > 0) && ( <div className="mb-6 p-4 bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg"> <div className="flex items-center justify-between"> <div className="flex items-center gap-2"> <svg className="w-5 h-5 text-red-600 dark:text-red-400" fill="none" stroke="currentColor" viewBox="0 0 24 24"> <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z" /> </svg> <span className="font-medium text-red-800 dark:text-red-200"> Active Alerts: { activeAlerts.length > 0 ? activeAlerts.map((a) => a.sloName).join(', ') : initialData.sloAlerts?.active.map((a) => a.sloName).join(', ') } </span> </div> {initialData.sloAlerts && initialData.sloAlerts.stats.total > 0 && ( <span className="text-sm text-red-600 dark:text-red-400"> {initialData.sloAlerts.stats.total} alerts in last 7 days </span> )} </div> </div> )} {/* Metrics Summary */} <MetricsSummary totalRequests={metrics.totalRequests} successRate={metrics.successRate} avgDuration={metrics.avgDuration} errorCount={metrics.errorCount} animated={enableRealtime} /> {/* SLO Status */} <div className="mb-8"> <h2 className="text-lg font-semibold mb-4 text-gray-900 dark:text-white"> Service Level Objectives </h2> {categoryOrder.map((category) => { const categorySlos = slosByCategory[category]; if (!categorySlos || categorySlos.length === 0) return null; return ( <div key={category} className="mb-6"> <h3 className="text-sm font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wide mb-3"> {category === 'overall' ? 'Overall' : category.charAt(0).toUpperCase() + category.slice(1)} </h3> <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4"> {categorySlos.map((slo) => ( <SLOCard key={slo.name} name={slo.name} current={slo.current} target={slo.target} budgetConsumed={slo.budgetConsumed} status={slo.status} window={formatWindow(slo.window)} statusColor={getSLOStatusColor(slo.status)} statusText={getSLOStatusText(slo.status)} sparklineData={slo.trend.length > 0 ? slo.trend.map((t) => t.value) : undefined} trendIndicator={slo.trendIndicator} historyLink={`/admin/monitoring/slo/${encodeURIComponent(slo.name)}`} /> ))} </div> </div> ); })} </div> {/* Core Web Vitals */} <div className="mb-8"> <WebVitalsCard vitals={initialData.webVitals.vitals} problemPages={initialData.webVitals.byPage} periodLabel="Last 24 Hours" totalMeasurements={initialData.webVitals.totalMeasurements} /> </div> {/* RUM Events Summary */} <RecentRumEvents events={initialData.rumSummary} /> {/* Recent SLO Alerts */} {initialData.sloAlerts && initialData.sloAlerts.recent.length > 0 && ( <div className="bg-white dark:bg-gray-800 rounded-lg shadow p-6 mb-6"> <div className="flex items-center justify-between mb-4"> <h2 className="text-lg font-semibold text-gray-900 dark:text-white flex items-center gap-2"> <svg className="w-5 h-5 text-amber-500" fill="none" stroke="currentColor" viewBox="0 0 24 24"> <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 17h5l-1.405-1.405A2.032 2.032 0 0118 14.158V11a6.002 6.002 0 00-4-5.659V5a2 2 0 10-4 0v.341C7.67 6.165 6 8.388 6 11v3.159c0 .538-.214 1.055-.595 1.436L4 17h5m6 0v1a3 3 0 11-6 0v-1m6 0H9" /> </svg> SLO Alerts (24h) </h2> <div className="flex items-center gap-4 text-sm"> <span className="px-2 py-1 rounded bg-red-100 dark:bg-red-900/30 text-red-700 dark:text-red-300"> {initialData.sloAlerts.stats.byStatus['critical'] || 0} Critical </span> <span className="px-2 py-1 rounded bg-amber-100 dark:bg-amber-900/30 text-amber-700 dark:text-amber-300"> {initialData.sloAlerts.stats.byStatus['warning'] || 0} Warning </span> </div> </div> <div className="space-y-3"> {initialData.sloAlerts.recent.slice(0, 5).map((alert) => ( <div key={alert.id} className={`p-3 rounded border-l-4 ${ alert.status === 'critical' ? 'bg-red-50 dark:bg-red-900/20 border-red-500' : 'bg-amber-50 dark:bg-amber-900/20 border-amber-500' }`} > <div className="flex justify-between items-start"> <div> <span className={`inline-block px-2 py-0.5 text-xs font-medium rounded mr-2 ${ alert.status === 'critical' ? 'bg-red-100 dark:bg-red-800 text-red-800 dark:text-red-200' : 'bg-amber-100 dark:bg-amber-800 text-amber-800 dark:text-amber-200' }`}> {alert.status.toUpperCase()} </span> <span className="text-sm font-medium text-gray-900 dark:text-gray-100"> {alert.sloName} </span> <span className="text-sm text-gray-500 dark:text-gray-400 ml-2"> {alert.current.toFixed(2)}% (target: {alert.target}%) </span> </div> <div className="flex items-center gap-2"> {alert.resolvedAt ? ( <span className="text-xs px-2 py-0.5 rounded bg-green-100 dark:bg-green-900/30 text-green-700 dark:text-green-300"> Resolved </span> ) : ( <span className="text-xs px-2 py-0.5 rounded bg-red-100 dark:bg-red-900/30 text-red-700 dark:text-red-300"> Active </span> )} <span className="text-xs text-gray-500 dark:text-gray-400 whitespace-nowrap"> {new Date(alert.createdAt).toLocaleString()} </span> </div> </div> </div> ))} </div> </div> )} {/* Recent Errors */} <div className="bg-white dark:bg-gray-800 rounded-lg shadow p-6"> <h2 className="text-lg font-semibold mb-4 text-gray-900 dark:text-white"> Recent Errors (24h) </h2> {recentErrors.length > 0 ? ( <div className="space-y-3"> {recentErrors.map((error) => ( <div key={error.id} className="p-3 bg-red-50 dark:bg-red-900/20 rounded border-l-4 border-red-500" > <div className="flex justify-between items-start"> <div> <span className="inline-block px-2 py-0.5 text-xs font-medium rounded bg-red-100 dark:bg-red-800 text-red-800 dark:text-red-200 mr-2"> {error.category} </span> <span className="text-sm text-gray-900 dark:text-gray-100"> {error.message.slice(0, 100)} {error.message.length > 100 ? '...' : ''} </span> </div> <span className="text-xs text-gray-500 dark:text-gray-400 whitespace-nowrap ml-4"> {new Date(error.createdAt).toLocaleString()} </span> </div> </div> ))} </div> ) : ( <p className="text-gray-500 dark:text-gray-400 text-center py-8"> No errors recorded in the last 24 hours </p> )} </div> </div> </div> ); } export default ObservabilityDashboard; |