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authorMatt Holt <[email protected]>2024-12-20 10:55:02 -0700
committerGitHub <[email protected]>2024-12-20 10:55:02 -0700
commit86da4e8f56f3518bc053dd4f68a78c538a4aab5f (patch)
treebaaf259e90a81d56bf8a2999809d396a02fe1ea9 /modules/caddyhttp/app.go
parent130c868e95dfd1a8b1d39fd217bc6378f6b72ec0 (diff)
parented1c594cdbddf89829eaf1174f414028577b432d (diff)
downloadcaddy-86da4e8f56f3518bc053dd4f68a78c538a4aab5f.tar.gz
caddy-86da4e8f56f3518bc053dd4f68a78c538a4aab5f.zip
Merge branch 'master' into transfer-encoding-matchtransfer-encoding-match
Diffstat (limited to 'modules/caddyhttp/app.go')
-rw-r--r--modules/caddyhttp/app.go60
1 files changed, 38 insertions, 22 deletions
diff --git a/modules/caddyhttp/app.go b/modules/caddyhttp/app.go
index 7dc2bee72..850d3aa8f 100644
--- a/modules/caddyhttp/app.go
+++ b/modules/caddyhttp/app.go
@@ -15,6 +15,7 @@
package caddyhttp
import (
+ "cmp"
"context"
"crypto/tls"
"fmt"
@@ -142,6 +143,10 @@ type App struct {
// affect functionality.
Servers map[string]*Server `json:"servers,omitempty"`
+ // If set, metrics observations will be enabled.
+ // This setting is EXPERIMENTAL and subject to change.
+ Metrics *Metrics `json:"metrics,omitempty"`
+
ctx caddy.Context
logger *zap.Logger
tlsApp *caddytls.TLS
@@ -184,6 +189,10 @@ func (app *App) Provision(ctx caddy.Context) error {
return err
}
+ if app.Metrics != nil {
+ app.Metrics.init = sync.Once{}
+ app.Metrics.httpMetrics = &httpMetrics{}
+ }
// prepare each server
oldContext := ctx.Context
for srvName, srv := range app.Servers {
@@ -196,6 +205,15 @@ func (app *App) Provision(ctx caddy.Context) error {
srv.errorLogger = app.logger.Named("log.error")
srv.shutdownAtMu = new(sync.RWMutex)
+ if srv.Metrics != nil {
+ srv.logger.Warn("per-server 'metrics' is deprecated; use 'metrics' in the root 'http' app instead")
+ app.Metrics = cmp.Or[*Metrics](app.Metrics, &Metrics{
+ init: sync.Once{},
+ httpMetrics: &httpMetrics{},
+ })
+ app.Metrics.PerHost = app.Metrics.PerHost || srv.Metrics.PerHost
+ }
+
// only enable access logs if configured
if srv.Logs != nil {
srv.accessLogger = app.logger.Named("log.access")
@@ -342,16 +360,11 @@ func (app *App) Provision(ctx caddy.Context) error {
srv.listenerWrappers = append([]caddy.ListenerWrapper{new(tlsPlaceholderWrapper)}, srv.listenerWrappers...)
}
}
-
// pre-compile the primary handler chain, and be sure to wrap it in our
// route handler so that important security checks are done, etc.
primaryRoute := emptyHandler
if srv.Routes != nil {
- if srv.Metrics != nil {
- srv.Metrics.init = sync.Once{}
- srv.Metrics.httpMetrics = &httpMetrics{}
- }
- err := srv.Routes.ProvisionHandlers(ctx, srv.Metrics)
+ err := srv.Routes.ProvisionHandlers(ctx, app.Metrics)
if err != nil {
return fmt.Errorf("server %s: setting up route handlers: %v", srvName, err)
}
@@ -370,7 +383,7 @@ func (app *App) Provision(ctx caddy.Context) error {
// provision the named routes (they get compiled at runtime)
for name, route := range srv.NamedRoutes {
- err := route.Provision(ctx, srv.Metrics)
+ err := route.Provision(ctx, app.Metrics)
if err != nil {
return fmt.Errorf("server %s: setting up named route '%s' handlers: %v", name, srvName, err)
}
@@ -388,6 +401,9 @@ func (app *App) Provision(ctx caddy.Context) error {
if srv.IdleTimeout == 0 {
srv.IdleTimeout = defaultIdleTimeout
}
+ if srv.ReadHeaderTimeout == 0 {
+ srv.ReadHeaderTimeout = defaultReadHeaderTimeout // see #6663
+ }
}
ctx.Context = oldContext
return nil
@@ -689,16 +705,7 @@ func (app *App) Stop() error {
return
}
- // First close h3server then close listeners unlike stdlib for several reasons:
- // 1, udp has only a single socket, once closed, no more data can be read and
- // written. In contrast, closing tcp listeners won't affect established connections.
- // This have something to do with graceful shutdown when upstream implements it.
- // 2, h3server will only close listeners it's registered (quic listeners). Closing
- // listener first and these listeners maybe unregistered thus won't be closed. caddy
- // distinguishes quic-listener and underlying datagram sockets.
-
- // TODO: CloseGracefully, once implemented upstream (see https://github.com/quic-go/quic-go/issues/2103)
- if err := server.h3server.Close(); err != nil {
+ if err := server.h3server.Shutdown(ctx); err != nil {
app.logger.Error("HTTP/3 server shutdown",
zap.Error(err),
zap.Strings("addresses", server.Listen))
@@ -766,11 +773,20 @@ func (app *App) httpsPort() int {
return app.HTTPSPort
}
-// defaultIdleTimeout is the default HTTP server timeout
-// for closing idle connections; useful to avoid resource
-// exhaustion behind hungry CDNs, for example (we've had
-// several complaints without this).
-const defaultIdleTimeout = caddy.Duration(5 * time.Minute)
+const (
+ // defaultIdleTimeout is the default HTTP server timeout
+ // for closing idle connections; useful to avoid resource
+ // exhaustion behind hungry CDNs, for example (we've had
+ // several complaints without this).
+ defaultIdleTimeout = caddy.Duration(5 * time.Minute)
+
+ // defaultReadHeaderTimeout is the default timeout for
+ // reading HTTP headers from clients. Headers are generally
+ // small, often less than 1 KB, so it shouldn't take a
+ // long time even on legitimately slow connections or
+ // busy servers to read it.
+ defaultReadHeaderTimeout = caddy.Duration(time.Minute)
+)
// Interface guards
var (