57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
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// Binary backupd provides tarballs of /perm.
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package main
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import (
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"net"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"github.com/gokrazy/gokrazy"
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"router7/internal/backup"
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"router7/internal/multilisten"
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"router7/internal/teelogger"
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)
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var log = teelogger.NewConsole()
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var httpListeners = multilisten.NewPool()
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func updateListeners() error {
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hosts, err := gokrazy.PrivateInterfaceAddrs()
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if err != nil {
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return err
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}
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httpListeners.ListenAndServe(hosts, func(host string) multilisten.Listener {
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return &http.Server{Addr: net.JoinHostPort(host, "8077")}
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})
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return nil
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}
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func logic() error {
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http.HandleFunc("/backup.tar.gz", func(w http.ResponseWriter, r *http.Request) {
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if err := backup.Archive(w, "/perm"); err != nil {
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log.Printf("backup.tar.gz: %v", err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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})
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updateListeners()
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ch := make(chan os.Signal, 1)
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signal.Notify(ch, syscall.SIGUSR1)
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for range ch {
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if err := updateListeners(); err != nil {
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log.Printf("updateListeners: %v", err)
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}
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}
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return nil
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}
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func main() {
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if err := logic(); err != nil {
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log.Fatal(err)
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}
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}
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