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https://github.com/go-gitea/gitea
synced 2024-08-18 13:20:51 +02:00
Graceful: Allow graceful restart for unix sockets (#9113)
Previously we could not handle graceful restarts for http over unix sockets. These can now be handled.
This commit is contained in:
parent
bb2c0c3729
commit
e3f22ad2cc
29
cmd/web.go
29
cmd/web.go
@ -60,7 +60,7 @@ func runHTTPRedirector() {
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http.Redirect(w, r, target, http.StatusTemporaryRedirect)
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})
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var err = runHTTP(source, context2.ClearHandler(handler))
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var err = runHTTP("tcp", source, context2.ClearHandler(handler))
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if err != nil {
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log.Fatal("Failed to start port redirection: %v", err)
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@ -77,12 +77,12 @@ func runLetsEncrypt(listenAddr, domain, directory, email string, m http.Handler)
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go func() {
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log.Info("Running Let's Encrypt handler on %s", setting.HTTPAddr+":"+setting.PortToRedirect)
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// all traffic coming into HTTP will be redirect to HTTPS automatically (LE HTTP-01 validation happens here)
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var err = runHTTP(setting.HTTPAddr+":"+setting.PortToRedirect, certManager.HTTPHandler(http.HandlerFunc(runLetsEncryptFallbackHandler)))
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var err = runHTTP("tcp", setting.HTTPAddr+":"+setting.PortToRedirect, certManager.HTTPHandler(http.HandlerFunc(runLetsEncryptFallbackHandler)))
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if err != nil {
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log.Fatal("Failed to start the Let's Encrypt handler on port %s: %v", setting.PortToRedirect, err)
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}
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}()
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return runHTTPSWithTLSConfig(listenAddr, certManager.TLSConfig(), context2.ClearHandler(m))
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return runHTTPSWithTLSConfig("tcp", listenAddr, certManager.TLSConfig(), context2.ClearHandler(m))
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}
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func runLetsEncryptFallbackHandler(w http.ResponseWriter, r *http.Request) {
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@ -171,7 +171,7 @@ func runWeb(ctx *cli.Context) error {
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switch setting.Protocol {
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case setting.HTTP:
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NoHTTPRedirector()
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err = runHTTP(listenAddr, context2.ClearHandler(m))
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err = runHTTP("tcp", listenAddr, context2.ClearHandler(m))
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case setting.HTTPS:
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if setting.EnableLetsEncrypt {
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err = runLetsEncrypt(listenAddr, setting.Domain, setting.LetsEncryptDirectory, setting.LetsEncryptEmail, context2.ClearHandler(m))
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@ -182,7 +182,7 @@ func runWeb(ctx *cli.Context) error {
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} else {
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NoHTTPRedirector()
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}
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err = runHTTPS(listenAddr, setting.CertFile, setting.KeyFile, context2.ClearHandler(m))
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err = runHTTPS("tcp", listenAddr, setting.CertFile, setting.KeyFile, context2.ClearHandler(m))
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case setting.FCGI:
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NoHTTPRedirector()
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// FCGI listeners are provided as stdin - this is orthogonal to the LISTEN_FDS approach
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@ -200,25 +200,8 @@ func runWeb(ctx *cli.Context) error {
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}()
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err = fcgi.Serve(listener, context2.ClearHandler(m))
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case setting.UnixSocket:
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// This could potentially be inherited using LISTEN_FDS but currently
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// these cannot be inherited
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NoHTTPRedirector()
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NoMainListener()
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if err := os.Remove(listenAddr); err != nil && !os.IsNotExist(err) {
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log.Fatal("Failed to remove unix socket directory %s: %v", listenAddr, err)
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}
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var listener *net.UnixListener
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listener, err = net.ListenUnix("unix", &net.UnixAddr{Name: listenAddr, Net: "unix"})
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if err != nil {
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break // Handle error after switch
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}
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// FIXME: add proper implementation of signal capture on all protocols
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// execute this on SIGTERM or SIGINT: listener.Close()
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if err = os.Chmod(listenAddr, os.FileMode(setting.UnixSocketPermission)); err != nil {
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log.Fatal("Failed to set permission of unix socket: %v", err)
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}
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err = http.Serve(listener, context2.ClearHandler(m))
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err = runHTTP("unix", listenAddr, context2.ClearHandler(m))
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default:
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log.Fatal("Invalid protocol: %s", setting.Protocol)
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}
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@ -11,16 +11,16 @@ import (
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"code.gitea.io/gitea/modules/graceful"
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)
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func runHTTP(listenAddr string, m http.Handler) error {
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return graceful.HTTPListenAndServe("tcp", listenAddr, m)
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func runHTTP(network, listenAddr string, m http.Handler) error {
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return graceful.HTTPListenAndServe(network, listenAddr, m)
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}
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func runHTTPS(listenAddr, certFile, keyFile string, m http.Handler) error {
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return graceful.HTTPListenAndServeTLS("tcp", listenAddr, certFile, keyFile, m)
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func runHTTPS(network, listenAddr, certFile, keyFile string, m http.Handler) error {
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return graceful.HTTPListenAndServeTLS(network, listenAddr, certFile, keyFile, m)
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}
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func runHTTPSWithTLSConfig(listenAddr string, tlsConfig *tls.Config, m http.Handler) error {
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return graceful.HTTPListenAndServeTLSConfig("tcp", listenAddr, tlsConfig, m)
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func runHTTPSWithTLSConfig(network, listenAddr string, tlsConfig *tls.Config, m http.Handler) error {
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return graceful.HTTPListenAndServeTLSConfig(network, listenAddr, tlsConfig, m)
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}
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// NoHTTPRedirector tells our cleanup routine that we will not be using a fallback http redirector
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@ -16,6 +16,7 @@ import (
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"sync"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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)
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const (
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@ -165,15 +166,27 @@ func GetListenerUnix(network string, address *net.UnixAddr) (*net.UnixListener,
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if isSameAddr(l.Addr(), address) {
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providedListeners = append(providedListeners[:i], providedListeners[i+1:]...)
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activeListeners = append(activeListeners, l)
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return l.(*net.UnixListener), nil
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unixListener := l.(*net.UnixListener)
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unixListener.SetUnlinkOnClose(true)
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return unixListener, nil
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}
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}
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// make a fresh listener
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if err := os.Remove(address.Name); err != nil && !os.IsNotExist(err) {
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return nil, fmt.Errorf("Failed to remove unix socket %s: %v", address.Name, err)
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}
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l, err := net.ListenUnix(network, address)
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if err != nil {
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return nil, err
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}
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fileMode := os.FileMode(setting.UnixSocketPermission)
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if err = os.Chmod(address.Name, fileMode); err != nil {
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return nil, fmt.Errorf("Failed to set permission of unix socket to %s: %v", fileMode.String(), err)
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}
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activeListeners = append(activeListeners, l)
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return l, nil
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}
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@ -9,6 +9,7 @@ package graceful
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import (
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"fmt"
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"net"
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"os"
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"os/exec"
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"strings"
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@ -48,6 +49,10 @@ func RestartProcess() (int, error) {
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if err != nil {
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return 0, err
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}
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if unixListener, ok := l.(*net.UnixListener); ok {
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unixListener.SetUnlinkOnClose(false)
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}
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// Remember to close these at the end.
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defer files[i].Close()
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}
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