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Add a read-only web dashboard at GET / that displays: - Summary counts for all monitored resources - Domain nameserver state with per-NS records and status - Hostname DNS records per authoritative nameserver - TCP port open/closed state with associated hostnames - TLS certificate details (CN, issuer, expiry, status) - Last 100 alerts in reverse chronological order Every data point shows relative age (e.g. '5m ago') for freshness. Page auto-refreshes every 30 seconds via meta refresh. Uses Tailwind CSS via CDN for a dark, technical aesthetic with saturated teals and blues on dark slate. Single page, no navigation. Implementation: - internal/notify/history.go: thread-safe ring buffer (last 100 alerts) - internal/notify/notify.go: record alerts in history before dispatch, refactor SendNotification into smaller dispatch helpers (funlen) - internal/handlers/dashboard.go: template rendering with embedded HTML, helper functions for relative time, record formatting, expiry days - internal/handlers/templates/dashboard.html: Tailwind-styled dashboard - internal/handlers/handlers.go: add State and Notify dependencies - internal/server/routes.go: register GET / dashboard route - README.md: document dashboard and new / endpoint No secrets (webhook URLs, API tokens, notification endpoints) are exposed in the dashboard. closes #82
47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
package server
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import (
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"time"
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"github.com/go-chi/chi/v5"
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chimw "github.com/go-chi/chi/v5/middleware"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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)
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// requestTimeout is the maximum duration for handling a request.
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const requestTimeout = 60 * time.Second
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// SetupRoutes configures all HTTP routes.
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func (s *Server) SetupRoutes() {
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s.router = chi.NewRouter()
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// Global middleware
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s.router.Use(chimw.Recoverer)
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s.router.Use(chimw.RequestID)
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s.router.Use(s.mw.Logging())
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s.router.Use(s.mw.CORS())
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s.router.Use(chimw.Timeout(requestTimeout))
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// Dashboard (read-only web UI)
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s.router.Get("/", s.handlers.HandleDashboard())
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// Health check
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s.router.Get("/health", s.handlers.HandleHealthCheck())
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// API v1 routes
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s.router.Route("/api/v1", func(r chi.Router) {
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r.Get("/status", s.handlers.HandleStatus())
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})
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// Metrics endpoint (optional, with basic auth)
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if s.params.Config.MetricsUsername != "" {
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s.router.Group(func(r chi.Router) {
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r.Use(s.mw.MetricsAuth())
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r.Get(
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"/metrics",
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promhttp.Handler().ServeHTTP,
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)
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})
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}
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}
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