mirror of
https://github.com/idanoo/autobrr
synced 2025-07-22 16:29:12 +00:00
3f8bc0140c
* feat(metrics): add metrics server * chore: update license headers * feat(metrics): add optional basic auth * feat(metrics): add go and process collectors --------- Co-authored-by: ze0s <43699394+zze0s@users.noreply.github.com> Co-authored-by: ze0s <ze0s@riseup.net>
96 lines
2.2 KiB
Go
96 lines
2.2 KiB
Go
// Copyright (c) 2021 - 2025, Ludvig Lundgren and the autobrr contributors.
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// SPDX-License-Identifier: GPL-2.0-or-later
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package http
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import (
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"fmt"
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"net"
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"net/http"
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"time"
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"github.com/autobrr/autobrr/internal/config"
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"github.com/autobrr/autobrr/internal/logger"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/rs/zerolog"
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)
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type metricsManager interface {
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GetRegistry() *prometheus.Registry
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}
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type MetricsServer struct {
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log zerolog.Logger
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config *config.AppConfig
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version string
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commit string
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date string
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metricsManager metricsManager
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}
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func NewMetricsServer(log logger.Logger, config *config.AppConfig, version string, commit string, date string, metricsManager metricsManager) MetricsServer {
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return MetricsServer{
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log: log.With().Str("module", "http").Logger(),
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config: config,
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version: version,
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commit: commit,
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date: date,
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metricsManager: metricsManager,
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}
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}
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func (s MetricsServer) Open() error {
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addr := fmt.Sprintf("%v:%v", s.config.Config.MetricsHost, s.config.Config.MetricsPort)
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var err error
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for _, proto := range []string{"tcp", "tcp4", "tcp6"} {
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if err = s.tryToServe(addr, proto); err == nil {
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break
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}
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s.log.Error().Err(err).Msgf("Failed to start %s server. Attempted to listen on %s", proto, addr)
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}
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return err
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}
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func (s MetricsServer) tryToServe(addr, protocol string) error {
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listener, err := net.Listen(protocol, addr)
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if err != nil {
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return err
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}
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s.log.Info().Msgf("Starting Metrics %s server. Listening on %s", protocol, listener.Addr().String())
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server := http.Server{
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Handler: s.Handler(),
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ReadHeaderTimeout: time.Second * 15,
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}
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return server.Serve(listener)
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}
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func (s MetricsServer) Handler() http.Handler {
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r := chi.NewRouter()
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r.Use(middleware.RequestID)
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r.Use(middleware.RealIP)
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r.Use(middleware.Recoverer)
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r.Use(LoggerMiddleware(&s.log))
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if s.config.Config.MetricsBasicAuthUsers != "" {
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r.Use(BasicAuth("metrics", s.config.Config.MetricsBasicAuthUsers))
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}
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r.Get("/metrics", promhttp.HandlerFor(s.metricsManager.GetRegistry(), promhttp.HandlerOpts{}).ServeHTTP)
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return r
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}
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