61 lines
1.9 KiB
Go
61 lines
1.9 KiB
Go
//go:build linux
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// +build linux
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package web
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import (
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"crypto/tls"
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"github.com/coreos/go-systemd/v22/activation"
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"github.com/go-chi/chi/v5"
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"github.com/librespeed/speedtest/config"
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log "github.com/sirupsen/logrus"
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"net"
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"net/http"
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)
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func startListener(conf *config.Config, r *chi.Mux) error {
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// See if systemd socket activation has been used when starting our process
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listeners, err := activation.Listeners()
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if err != nil {
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log.Fatalf("Error whilst checking for systemd socket activation %s", err)
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}
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var s error
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switch len(listeners) {
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case 0:
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addr := net.JoinHostPort(conf.BindAddress, conf.Port)
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log.Infof("Starting backend server on %s", addr)
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// TLS and HTTP/2.
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if conf.EnableTLS {
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log.Info("Use TLS connection.")
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if !(conf.EnableHTTP2) {
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srv := &http.Server{
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Addr: addr,
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Handler: r,
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TLSNextProto: make(map[string]func(*http.Server, *tls.Conn, http.Handler)),
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}
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s = srv.ListenAndServeTLS(conf.TLSCertFile, conf.TLSKeyFile)
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} else {
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s = http.ListenAndServeTLS(addr, conf.TLSCertFile, conf.TLSKeyFile, r)
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}
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} else {
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if conf.EnableHTTP2 {
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log.Errorf("TLS is mandatory for HTTP/2. Ignore settings that enable HTTP/2.")
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}
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s = http.ListenAndServe(addr, r)
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}
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case 1:
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log.Info("Starting backend server on inherited file descriptor via systemd socket activation")
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if conf.BindAddress != "" || conf.Port != "" {
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log.Errorf("Both an address/port (%s:%s) has been specificed in the config AND externally configured socket activation has been detected", conf.BindAddress, conf.Port)
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log.Fatal(`Please deconfigure socket activation (e.g. in systemd unit files), or set both 'bind_address' and 'listen_port' to ''`)
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}
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s = http.Serve(listeners[0], r)
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default:
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log.Fatalf("Asked to listen on %d sockets via systemd activation. Sorry we currently only support listening on 1 socket.", len(listeners))
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}
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return s
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}
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