Introduce a fast proxy mode to improve HTTP/1.1 performances with backends
Co-authored-by: Romain <rtribotte@users.noreply.github.com> Co-authored-by: Julien Salleyron <julien.salleyron@gmail.com>
This commit is contained in:
Kevin Pollet
GitHub
parent
a6db1cac37
commit
f8a78b3b25
39 changed files with 3173 additions and 378 deletions
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@ -229,7 +229,7 @@ issues:
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text: 'struct-tag: unknown option ''inline'' in JSON tag'
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linters:
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- revive
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- path: pkg/server/service/bufferpool.go
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- path: pkg/proxy/httputil/bufferpool.go
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text: 'SA6002: argument should be pointer-like to avoid allocations'
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- path: pkg/server/middleware/middlewares.go
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text: "Function 'buildConstructor' has too many statements"
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@ -37,6 +37,8 @@ import (
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"github.com/traefik/traefik/v3/pkg/provider/aggregator"
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"github.com/traefik/traefik/v3/pkg/provider/tailscale"
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"github.com/traefik/traefik/v3/pkg/provider/traefik"
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"github.com/traefik/traefik/v3/pkg/proxy"
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"github.com/traefik/traefik/v3/pkg/proxy/httputil"
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"github.com/traefik/traefik/v3/pkg/safe"
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"github.com/traefik/traefik/v3/pkg/server"
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"github.com/traefik/traefik/v3/pkg/server/middleware"
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@ -281,10 +283,16 @@ func setupServer(staticConfiguration *static.Configuration) (*server.Server, err
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log.Info().Msg("Successfully obtained SPIFFE SVID.")
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}
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roundTripperManager := service.NewRoundTripperManager(spiffeX509Source)
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transportManager := service.NewTransportManager(spiffeX509Source)
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var proxyBuilder service.ProxyBuilder = httputil.NewProxyBuilder(transportManager, semConvMetricRegistry)
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if staticConfiguration.Experimental != nil && staticConfiguration.Experimental.FastProxy != nil {
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proxyBuilder = proxy.NewSmartBuilder(transportManager, proxyBuilder, *staticConfiguration.Experimental.FastProxy)
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}
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dialerManager := tcp.NewDialerManager(spiffeX509Source)
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acmeHTTPHandler := getHTTPChallengeHandler(acmeProviders, httpChallengeProvider)
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managerFactory := service.NewManagerFactory(*staticConfiguration, routinesPool, observabilityMgr, roundTripperManager, acmeHTTPHandler)
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managerFactory := service.NewManagerFactory(*staticConfiguration, routinesPool, observabilityMgr, transportManager, proxyBuilder, acmeHTTPHandler)
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// Router factory
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@ -318,7 +326,8 @@ func setupServer(staticConfiguration *static.Configuration) (*server.Server, err
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// Server Transports
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watcher.AddListener(func(conf dynamic.Configuration) {
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roundTripperManager.Update(conf.HTTP.ServersTransports)
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transportManager.Update(conf.HTTP.ServersTransports)
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proxyBuilder.Update(conf.HTTP.ServersTransports)
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dialerManager.Update(conf.TCP.ServersTransports)
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})
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@ -228,6 +228,12 @@ WriteTimeout is the maximum duration before timing out writes of the response. I
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`--entrypoints.<name>.udp.timeout`:
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Timeout defines how long to wait on an idle session before releasing the related resources. (Default: ```3```)
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`--experimental.fastproxy`:
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Enable the FastProxy implementation. (Default: ```false```)
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`--experimental.fastproxy.debug`:
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Enable debug mode for the FastProxy implementation. (Default: ```false```)
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`--experimental.kubernetesgateway`:
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(Deprecated) Allow the Kubernetes gateway api provider usage. (Default: ```false```)
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@ -228,6 +228,12 @@ WriteTimeout is the maximum duration before timing out writes of the response. I
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`TRAEFIK_ENTRYPOINTS_<NAME>_UDP_TIMEOUT`:
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Timeout defines how long to wait on an idle session before releasing the related resources. (Default: ```3```)
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`TRAEFIK_EXPERIMENTAL_FASTPROXY`:
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Enable the FastProxy implementation. (Default: ```false```)
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`TRAEFIK_EXPERIMENTAL_FASTPROXY_DEBUG`:
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Enable debug mode for the FastProxy implementation. (Default: ```false```)
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`TRAEFIK_EXPERIMENTAL_KUBERNETESGATEWAY`:
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(Deprecated) Allow the Kubernetes gateway api provider usage. (Default: ```false```)
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@ -509,6 +509,8 @@
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[experimental.localPlugins.LocalDescriptor1.settings]
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envs = ["foobar", "foobar"]
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mounts = ["foobar", "foobar"]
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[experimental.fastProxy]
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debug = true
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[core]
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defaultRuleSyntax = "foobar"
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@ -572,6 +572,8 @@ experimental:
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mounts:
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- foobar
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- foobar
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fastProxy:
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debug: true
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kubernetesGateway: true
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core:
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defaultRuleSyntax: foobar
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41
docs/content/user-guides/fastproxy.md
Normal file
41
docs/content/user-guides/fastproxy.md
Normal file
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@ -0,0 +1,41 @@
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---
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title: "Traefik FastProxy Experimental Configuration"
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description: "This section of the Traefik Proxy documentation explains how to use the new FastProxy option."
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---
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# Traefik FastProxy Experimental Configuration
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## Overview
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This guide provides instructions on how to configure and use the new experimental `fastProxy` static configuration option in Traefik.
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The `fastProxy` option introduces a high-performance reverse proxy designed to enhance the performance of routing.
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!!! info "Limitations"
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Please note that the new fast proxy implementation does not work with HTTP/2.
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This means that when a H2C or HTTPS request with [HTTP2 enabled](../routing/services/index.md#disablehttp2) is sent to a backend, the fallback proxy is the regular one.
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Additionnaly, observability features like tracing and OTEL semconv metrics are not supported for the moment.
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!!! warning "Experimental"
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The `fastProxy` option is currently experimental and subject to change in future releases.
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Use with caution in production environments.
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### Enabling FastProxy
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The fastProxy option is a static configuration parameter.
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To enable it, you need to configure it in your Traefik static configuration
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```yaml tab="File (YAML)"
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experimental:
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fastProxy: {}
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```
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```toml tab="File (TOML)"
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[experimental.fastProxy]
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```
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```bash tab="CLI"
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--experimental.fastProxy
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```
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@ -163,6 +163,7 @@ nav:
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- 'Overview': 'observability/tracing/overview.md'
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- 'OpenTelemetry': 'observability/tracing/opentelemetry.md'
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- 'User Guides':
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- 'FastProxy': 'user-guides/fastproxy.md'
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- 'Kubernetes and Let''s Encrypt': 'user-guides/crd-acme/index.md'
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- 'gRPC Examples': 'user-guides/grpc.md'
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- 'Docker':
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8
go.mod
8
go.mod
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@ -6,7 +6,7 @@ require (
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github.com/BurntSushi/toml v1.4.0
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github.com/Masterminds/sprig/v3 v3.2.3
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github.com/abbot/go-http-auth v0.0.0-00010101000000-000000000000 // No tag on the repo.
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github.com/andybalholm/brotli v1.0.6
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github.com/andybalholm/brotli v1.1.0
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github.com/aws/aws-sdk-go v1.44.327
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github.com/cenkalti/backoff/v4 v4.3.0
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github.com/containous/alice v0.0.0-20181107144136-d83ebdd94cbd // No tag on the repo.
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@ -102,6 +102,11 @@ require (
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sigs.k8s.io/yaml v1.4.0
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)
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require (
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github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
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github.com/valyala/fasthttp v1.55.0
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)
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require (
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cloud.google.com/go/compute/metadata v0.3.0 // indirect
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dario.cat/mergo v1.0.0 // indirect
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@ -315,6 +320,7 @@ require (
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github.com/tklauser/numcpus v0.6.1 // indirect
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github.com/transip/gotransip/v6 v6.23.0 // indirect
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github.com/ultradns/ultradns-go-sdk v1.6.1-20231103022937-8589b6a // indirect
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github.com/valyala/bytebufferpool v1.0.0 // indirect
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github.com/vinyldns/go-vinyldns v0.9.16 // indirect
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github.com/vultr/govultr/v3 v3.9.0 // indirect
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github.com/x448/float16 v0.8.4 // indirect
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7
go.sum
7
go.sum
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@ -98,8 +98,8 @@ github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRF
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github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
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github.com/aliyun/alibaba-cloud-sdk-go v1.62.712 h1:lM7JnA9dEdDFH9XOgRNQMDTQnOjlLkDTNA7c0aWTQ30=
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github.com/aliyun/alibaba-cloud-sdk-go v1.62.712/go.mod h1:SOSDHfe1kX91v3W5QiBsWSLqeLxImobbMX1mxrFHsVQ=
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github.com/andybalholm/brotli v1.0.6 h1:Yf9fFpf49Zrxb9NlQaluyE92/+X7UVHlhMNJN2sxfOI=
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github.com/andybalholm/brotli v1.0.6/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
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github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
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github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
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github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
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github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
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github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
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@ -1041,7 +1041,10 @@ github.com/unrolled/secure v1.0.9 h1:BWRuEb1vDrBFFDdbCnKkof3gZ35I/bnHGyt0LB0TNyQ
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github.com/unrolled/secure v1.0.9/go.mod h1:fO+mEan+FLB0CdEnHf6Q4ZZVNqG+5fuLFnP8p0BXDPI=
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github.com/urfave/negroni v1.0.0 h1:kIimOitoypq34K7TG7DUaJ9kq/N4Ofuwi1sjz0KipXc=
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github.com/urfave/negroni v1.0.0/go.mod h1:Meg73S6kFm/4PpbYdq35yYWoCZ9mS/YSx+lKnmiohz4=
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github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
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github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
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github.com/valyala/fasthttp v1.55.0 h1:Zkefzgt6a7+bVKHnu/YaYSOPfNYNisSVBo/unVCf8k8=
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github.com/valyala/fasthttp v1.55.0/go.mod h1:NkY9JtkrpPKmgwV3HTaS2HWaJss9RSIsRVfcxxoHiOM=
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github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
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github.com/valyala/fasttemplate v1.2.1/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
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github.com/vinyldns/go-vinyldns v0.9.16 h1:GZJStDkcCk1F1AcRc64LuuMh+ENL8pHA0CVd4ulRMcQ=
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35
integration/fixtures/simple_fastproxy.toml
Normal file
35
integration/fixtures/simple_fastproxy.toml
Normal file
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@ -0,0 +1,35 @@
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[global]
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checkNewVersion = false
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sendAnonymousUsage = false
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[log]
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level = "DEBUG"
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noColor = true
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[entryPoints]
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[entryPoints.web]
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address = ":8000"
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[api]
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insecure = true
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[providers.file]
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filename = "{{ .SelfFilename }}"
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[experimental]
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[experimental.fastProxy]
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debug = true
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## dynamic configuration ##
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[http.routers]
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[http.routers.router1]
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entrypoints = ["web"]
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service = "service1"
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rule = "PathPrefix(`/`)"
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[http.services]
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[http.services.service1]
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[http.services.service1.loadBalancer]
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[[http.services.service1.loadBalancer.servers]]
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url = "{{ .Server }}"
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@ -65,6 +65,32 @@ func (s *SimpleSuite) TestSimpleDefaultConfig() {
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require.NoError(s.T(), err)
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}
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func (s *SimpleSuite) TestSimpleFastProxy() {
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var callCount int
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srv1 := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
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assert.Contains(s.T(), req.Header, "X-Traefik-Fast-Proxy")
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callCount++
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}))
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defer srv1.Close()
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file := s.adaptFile("fixtures/simple_fastproxy.toml", struct {
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Server string
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}{
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Server: srv1.URL,
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})
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s.traefikCmd(withConfigFile(file), "--log.level=DEBUG")
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// wait for traefik
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err := try.GetRequest("http://127.0.0.1:8080/api/rawdata", 10*time.Second, try.BodyContains("127.0.0.1"))
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require.NoError(s.T(), err)
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err = try.GetRequest("http://127.0.0.1:8000/", time.Second)
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require.NoError(s.T(), err)
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assert.GreaterOrEqual(s.T(), 1, callCount)
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}
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func (s *SimpleSuite) TestWithWebConfig() {
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s.cmdTraefik(withConfigFile("fixtures/simple_web.toml"))
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|
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|
|
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|
|
@ -7,6 +7,13 @@ type Experimental struct {
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Plugins map[string]plugins.Descriptor `description:"Plugins configuration." json:"plugins,omitempty" toml:"plugins,omitempty" yaml:"plugins,omitempty" export:"true"`
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LocalPlugins map[string]plugins.LocalDescriptor `description:"Local plugins configuration." json:"localPlugins,omitempty" toml:"localPlugins,omitempty" yaml:"localPlugins,omitempty" export:"true"`
|
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|
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FastProxy *FastProxyConfig `description:"Enable the FastProxy implementation." json:"fastProxy,omitempty" toml:"fastProxy,omitempty" yaml:"fastProxy,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
|
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|
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// Deprecated: KubernetesGateway provider is not an experimental feature starting with v3.1. Please remove its usage from the static configuration.
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KubernetesGateway bool `description:"(Deprecated) Allow the Kubernetes gateway api provider usage." json:"kubernetesGateway,omitempty" toml:"kubernetesGateway,omitempty" yaml:"kubernetesGateway,omitempty" export:"true"`
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}
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|
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// FastProxyConfig holds the FastProxy configuration.
|
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type FastProxyConfig struct {
|
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Debug bool `description:"Enable debug mode for the FastProxy implementation." json:"debug,omitempty" toml:"debug,omitempty" yaml:"debug,omitempty" export:"true"`
|
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}
|
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|
|
|
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129
pkg/proxy/fast/builder.go
Normal file
129
pkg/proxy/fast/builder.go
Normal file
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|
@ -0,0 +1,129 @@
|
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package fast
|
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|
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import (
|
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"crypto/tls"
|
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"fmt"
|
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"net"
|
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"net/http"
|
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"net/url"
|
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"reflect"
|
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"time"
|
||||
|
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"github.com/traefik/traefik/v3/pkg/config/dynamic"
|
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"github.com/traefik/traefik/v3/pkg/config/static"
|
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)
|
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|
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// TransportManager manages transport used for backend communications.
|
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type TransportManager interface {
|
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Get(name string) (*dynamic.ServersTransport, error)
|
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GetTLSConfig(name string) (*tls.Config, error)
|
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}
|
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|
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// ProxyBuilder handles the connection pools for the FastProxy proxies.
|
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type ProxyBuilder struct {
|
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debug bool
|
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transportManager TransportManager
|
||||
|
||||
// lock isn't needed because ProxyBuilder is not called concurrently.
|
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pools map[string]map[string]*connPool
|
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proxy func(*http.Request) (*url.URL, error)
|
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|
||||
// not goroutine safe.
|
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configs map[string]*dynamic.ServersTransport
|
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}
|
||||
|
||||
// NewProxyBuilder creates a new ProxyBuilder.
|
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func NewProxyBuilder(transportManager TransportManager, config static.FastProxyConfig) *ProxyBuilder {
|
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return &ProxyBuilder{
|
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debug: config.Debug,
|
||||
transportManager: transportManager,
|
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pools: make(map[string]map[string]*connPool),
|
||||
proxy: http.ProxyFromEnvironment,
|
||||
configs: make(map[string]*dynamic.ServersTransport),
|
||||
}
|
||||
}
|
||||
|
||||
// Update updates all the round-tripper corresponding to the given configs.
|
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// This method must not be used concurrently.
|
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func (r *ProxyBuilder) Update(newConfigs map[string]*dynamic.ServersTransport) {
|
||||
for configName := range r.configs {
|
||||
if _, ok := newConfigs[configName]; !ok {
|
||||
for _, c := range r.pools[configName] {
|
||||
c.Close()
|
||||
}
|
||||
delete(r.pools, configName)
|
||||
}
|
||||
}
|
||||
|
||||
for newConfigName, newConfig := range newConfigs {
|
||||
if !reflect.DeepEqual(newConfig, r.configs[newConfigName]) {
|
||||
for _, c := range r.pools[newConfigName] {
|
||||
c.Close()
|
||||
}
|
||||
delete(r.pools, newConfigName)
|
||||
}
|
||||
}
|
||||
|
||||
r.configs = newConfigs
|
||||
}
|
||||
|
||||
// Build builds a new ReverseProxy with the given configuration.
|
||||
func (r *ProxyBuilder) Build(cfgName string, targetURL *url.URL, passHostHeader bool) (http.Handler, error) {
|
||||
proxyURL, err := r.proxy(&http.Request{URL: targetURL})
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("getting proxy: %w", err)
|
||||
}
|
||||
|
||||
cfg, err := r.transportManager.Get(cfgName)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("getting ServersTransport: %w", err)
|
||||
}
|
||||
|
||||
var responseHeaderTimeout time.Duration
|
||||
if cfg.ForwardingTimeouts != nil {
|
||||
responseHeaderTimeout = time.Duration(cfg.ForwardingTimeouts.ResponseHeaderTimeout)
|
||||
}
|
||||
|
||||
tlsConfig, err := r.transportManager.GetTLSConfig(cfgName)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("getting TLS config: %w", err)
|
||||
}
|
||||
|
||||
pool := r.getPool(cfgName, cfg, tlsConfig, targetURL, proxyURL)
|
||||
return NewReverseProxy(targetURL, proxyURL, r.debug, passHostHeader, responseHeaderTimeout, pool)
|
||||
}
|
||||
|
||||
func (r *ProxyBuilder) getPool(cfgName string, config *dynamic.ServersTransport, tlsConfig *tls.Config, targetURL *url.URL, proxyURL *url.URL) *connPool {
|
||||
pool, ok := r.pools[cfgName]
|
||||
if !ok {
|
||||
pool = make(map[string]*connPool)
|
||||
r.pools[cfgName] = pool
|
||||
}
|
||||
|
||||
if connPool, ok := pool[targetURL.String()]; ok {
|
||||
return connPool
|
||||
}
|
||||
|
||||
idleConnTimeout := 90 * time.Second
|
||||
dialTimeout := 30 * time.Second
|
||||
if config.ForwardingTimeouts != nil {
|
||||
idleConnTimeout = time.Duration(config.ForwardingTimeouts.IdleConnTimeout)
|
||||
dialTimeout = time.Duration(config.ForwardingTimeouts.DialTimeout)
|
||||
}
|
||||
|
||||
proxyDialer := newDialer(dialerConfig{
|
||||
DialKeepAlive: 0,
|
||||
DialTimeout: dialTimeout,
|
||||
HTTP: true,
|
||||
TLS: targetURL.Scheme == "https",
|
||||
ProxyURL: proxyURL,
|
||||
}, tlsConfig)
|
||||
|
||||
connPool := newConnPool(config.MaxIdleConnsPerHost, idleConnTimeout, func() (net.Conn, error) {
|
||||
return proxyDialer.Dial("tcp", addrFromURL(targetURL))
|
||||
})
|
||||
|
||||
r.pools[cfgName][targetURL.String()] = connPool
|
||||
|
||||
return connPool
|
||||
}
|
||||
163
pkg/proxy/fast/connpool.go
Normal file
163
pkg/proxy/fast/connpool.go
Normal file
|
|
@ -0,0 +1,163 @@
|
|||
package fast
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net"
|
||||
"time"
|
||||
|
||||
"github.com/rs/zerolog/log"
|
||||
)
|
||||
|
||||
// conn is an enriched net.Conn.
|
||||
type conn struct {
|
||||
net.Conn
|
||||
|
||||
idleAt time.Time // the last time it was marked as idle.
|
||||
idleTimeout time.Duration
|
||||
}
|
||||
|
||||
func (c *conn) isExpired() bool {
|
||||
expTime := c.idleAt.Add(c.idleTimeout)
|
||||
return c.idleTimeout > 0 && time.Now().After(expTime)
|
||||
}
|
||||
|
||||
// connPool is a net.Conn pool implementation using channels.
|
||||
type connPool struct {
|
||||
dialer func() (net.Conn, error)
|
||||
idleConns chan *conn
|
||||
idleConnTimeout time.Duration
|
||||
ticker *time.Ticker
|
||||
doneCh chan struct{}
|
||||
}
|
||||
|
||||
// newConnPool creates a new connPool.
|
||||
func newConnPool(maxIdleConn int, idleConnTimeout time.Duration, dialer func() (net.Conn, error)) *connPool {
|
||||
c := &connPool{
|
||||
dialer: dialer,
|
||||
idleConns: make(chan *conn, maxIdleConn),
|
||||
idleConnTimeout: idleConnTimeout,
|
||||
doneCh: make(chan struct{}),
|
||||
}
|
||||
|
||||
if idleConnTimeout > 0 {
|
||||
c.ticker = time.NewTicker(c.idleConnTimeout / 2)
|
||||
go func() {
|
||||
for {
|
||||
select {
|
||||
case <-c.ticker.C:
|
||||
c.cleanIdleConns()
|
||||
case <-c.doneCh:
|
||||
return
|
||||
}
|
||||
}
|
||||
}()
|
||||
}
|
||||
|
||||
return c
|
||||
}
|
||||
|
||||
// Close closes stop the cleanIdleConn goroutine.
|
||||
func (c *connPool) Close() {
|
||||
if c.idleConnTimeout > 0 {
|
||||
close(c.doneCh)
|
||||
c.ticker.Stop()
|
||||
}
|
||||
}
|
||||
|
||||
// AcquireConn returns an idle net.Conn from the pool.
|
||||
func (c *connPool) AcquireConn() (*conn, error) {
|
||||
for {
|
||||
co, err := c.acquireConn()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if !co.isExpired() {
|
||||
return co, nil
|
||||
}
|
||||
|
||||
// As the acquired conn is expired we can close it
|
||||
// without putting it again into the pool.
|
||||
if err := co.Close(); err != nil {
|
||||
log.Debug().
|
||||
Err(err).
|
||||
Msg("Unexpected error while releasing the connection")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ReleaseConn releases the given net.Conn to the pool.
|
||||
func (c *connPool) ReleaseConn(co *conn) {
|
||||
co.idleAt = time.Now()
|
||||
c.releaseConn(co)
|
||||
}
|
||||
|
||||
// cleanIdleConns is a routine cleaning the expired connections at a regular basis.
|
||||
func (c *connPool) cleanIdleConns() {
|
||||
for {
|
||||
select {
|
||||
case co := <-c.idleConns:
|
||||
if !co.isExpired() {
|
||||
c.releaseConn(co)
|
||||
return
|
||||
}
|
||||
|
||||
if err := co.Close(); err != nil {
|
||||
log.Debug().
|
||||
Err(err).
|
||||
Msg("Unexpected error while releasing the connection")
|
||||
}
|
||||
|
||||
default:
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *connPool) acquireConn() (*conn, error) {
|
||||
select {
|
||||
case co := <-c.idleConns:
|
||||
return co, nil
|
||||
|
||||
default:
|
||||
errCh := make(chan error, 1)
|
||||
go c.askForNewConn(errCh)
|
||||
|
||||
select {
|
||||
case co := <-c.idleConns:
|
||||
return co, nil
|
||||
|
||||
case err := <-errCh:
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *connPool) releaseConn(co *conn) {
|
||||
select {
|
||||
case c.idleConns <- co:
|
||||
|
||||
// Hitting the default case means that we have reached the maximum number of idle
|
||||
// connections, so we can close it.
|
||||
default:
|
||||
if err := co.Close(); err != nil {
|
||||
log.Debug().
|
||||
Err(err).
|
||||
Msg("Unexpected error while releasing the connection")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *connPool) askForNewConn(errCh chan<- error) {
|
||||
co, err := c.dialer()
|
||||
if err != nil {
|
||||
errCh <- fmt.Errorf("create conn: %w", err)
|
||||
return
|
||||
}
|
||||
|
||||
c.releaseConn(&conn{
|
||||
Conn: co,
|
||||
idleAt: time.Now(),
|
||||
idleTimeout: c.idleConnTimeout,
|
||||
})
|
||||
}
|
||||
184
pkg/proxy/fast/connpool_test.go
Normal file
184
pkg/proxy/fast/connpool_test.go
Normal file
|
|
@ -0,0 +1,184 @@
|
|||
package fast
|
||||
|
||||
import (
|
||||
"net"
|
||||
"runtime"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
)
|
||||
|
||||
func TestConnPool_ConnReuse(t *testing.T) {
|
||||
testCases := []struct {
|
||||
desc string
|
||||
poolFn func(pool *connPool)
|
||||
expected int
|
||||
}{
|
||||
{
|
||||
desc: "One connection",
|
||||
poolFn: func(pool *connPool) {
|
||||
c1, _ := pool.AcquireConn()
|
||||
pool.ReleaseConn(c1)
|
||||
},
|
||||
expected: 1,
|
||||
},
|
||||
{
|
||||
desc: "Two connections with release",
|
||||
poolFn: func(pool *connPool) {
|
||||
c1, _ := pool.AcquireConn()
|
||||
pool.ReleaseConn(c1)
|
||||
|
||||
c2, _ := pool.AcquireConn()
|
||||
pool.ReleaseConn(c2)
|
||||
},
|
||||
expected: 1,
|
||||
},
|
||||
{
|
||||
desc: "Two concurrent connections",
|
||||
poolFn: func(pool *connPool) {
|
||||
c1, _ := pool.AcquireConn()
|
||||
c2, _ := pool.AcquireConn()
|
||||
|
||||
pool.ReleaseConn(c1)
|
||||
pool.ReleaseConn(c2)
|
||||
},
|
||||
expected: 2,
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range testCases {
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
t.Parallel()
|
||||
|
||||
var connAlloc int
|
||||
dialer := func() (net.Conn, error) {
|
||||
connAlloc++
|
||||
return &net.TCPConn{}, nil
|
||||
}
|
||||
|
||||
pool := newConnPool(2, 0, dialer)
|
||||
test.poolFn(pool)
|
||||
|
||||
assert.Equal(t, test.expected, connAlloc)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestConnPool_MaxIdleConn(t *testing.T) {
|
||||
testCases := []struct {
|
||||
desc string
|
||||
poolFn func(pool *connPool)
|
||||
maxIdleConn int
|
||||
expected int
|
||||
}{
|
||||
{
|
||||
desc: "One connection",
|
||||
poolFn: func(pool *connPool) {
|
||||
c1, _ := pool.AcquireConn()
|
||||
pool.ReleaseConn(c1)
|
||||
},
|
||||
maxIdleConn: 1,
|
||||
expected: 1,
|
||||
},
|
||||
{
|
||||
desc: "Multiple connections with defered release",
|
||||
poolFn: func(pool *connPool) {
|
||||
for range 7 {
|
||||
c, _ := pool.AcquireConn()
|
||||
defer pool.ReleaseConn(c)
|
||||
}
|
||||
},
|
||||
maxIdleConn: 5,
|
||||
expected: 5,
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range testCases {
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
t.Parallel()
|
||||
|
||||
var keepOpenedConn int
|
||||
dialer := func() (net.Conn, error) {
|
||||
keepOpenedConn++
|
||||
return &mockConn{closeFn: func() error {
|
||||
keepOpenedConn--
|
||||
return nil
|
||||
}}, nil
|
||||
}
|
||||
|
||||
pool := newConnPool(test.maxIdleConn, 0, dialer)
|
||||
test.poolFn(pool)
|
||||
|
||||
assert.Equal(t, test.expected, keepOpenedConn)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestGC(t *testing.T) {
|
||||
var isDestroyed bool
|
||||
pools := map[string]*connPool{}
|
||||
dialer := func() (net.Conn, error) {
|
||||
c := &mockConn{closeFn: func() error {
|
||||
return nil
|
||||
}}
|
||||
return c, nil
|
||||
}
|
||||
|
||||
pools["test"] = newConnPool(10, 1*time.Second, dialer)
|
||||
runtime.SetFinalizer(pools["test"], func(p *connPool) {
|
||||
isDestroyed = true
|
||||
})
|
||||
c, err := pools["test"].AcquireConn()
|
||||
require.NoError(t, err)
|
||||
|
||||
pools["test"].ReleaseConn(c)
|
||||
|
||||
pools["test"].Close()
|
||||
|
||||
delete(pools, "test")
|
||||
|
||||
runtime.GC()
|
||||
|
||||
require.True(t, isDestroyed)
|
||||
}
|
||||
|
||||
type mockConn struct {
|
||||
closeFn func() error
|
||||
}
|
||||
|
||||
func (m *mockConn) Read(_ []byte) (n int, err error) {
|
||||
panic("implement me")
|
||||
}
|
||||
|
||||
func (m *mockConn) Write(_ []byte) (n int, err error) {
|
||||
panic("implement me")
|
||||
}
|
||||
|
||||
func (m *mockConn) Close() error {
|
||||
if m.closeFn != nil {
|
||||
return m.closeFn()
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (m *mockConn) LocalAddr() net.Addr {
|
||||
panic("implement me")
|
||||
}
|
||||
|
||||
func (m *mockConn) RemoteAddr() net.Addr {
|
||||
panic("implement me")
|
||||
}
|
||||
|
||||
func (m *mockConn) SetDeadline(_ time.Time) error {
|
||||
panic("implement me")
|
||||
}
|
||||
|
||||
func (m *mockConn) SetReadDeadline(_ time.Time) error {
|
||||
panic("implement me")
|
||||
}
|
||||
|
||||
func (m *mockConn) SetWriteDeadline(_ time.Time) error {
|
||||
panic("implement me")
|
||||
}
|
||||
195
pkg/proxy/fast/dialer.go
Normal file
195
pkg/proxy/fast/dialer.go
Normal file
|
|
@ -0,0 +1,195 @@
|
|||
package fast
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"context"
|
||||
"crypto/tls"
|
||||
"encoding/base64"
|
||||
"errors"
|
||||
"net"
|
||||
"net/http"
|
||||
"net/url"
|
||||
"strings"
|
||||
"time"
|
||||
|
||||
"golang.org/x/net/proxy"
|
||||
)
|
||||
|
||||
const (
|
||||
schemeHTTP = "http"
|
||||
schemeHTTPS = "https"
|
||||
schemeSocks5 = "socks5"
|
||||
)
|
||||
|
||||
type dialer interface {
|
||||
Dial(network, addr string) (c net.Conn, err error)
|
||||
}
|
||||
|
||||
type dialerFunc func(network, addr string) (net.Conn, error)
|
||||
|
||||
func (d dialerFunc) Dial(network, addr string) (net.Conn, error) {
|
||||
return d(network, addr)
|
||||
}
|
||||
|
||||
type dialerConfig struct {
|
||||
DialKeepAlive time.Duration
|
||||
DialTimeout time.Duration
|
||||
ProxyURL *url.URL
|
||||
HTTP bool
|
||||
TLS bool
|
||||
}
|
||||
|
||||
func newDialer(cfg dialerConfig, tlsConfig *tls.Config) dialer {
|
||||
if cfg.ProxyURL == nil {
|
||||
return buildDialer(cfg, tlsConfig, cfg.TLS)
|
||||
}
|
||||
|
||||
proxyDialer := buildDialer(cfg, tlsConfig, cfg.ProxyURL.Scheme == "https")
|
||||
proxyAddr := addrFromURL(cfg.ProxyURL)
|
||||
|
||||
switch {
|
||||
case cfg.ProxyURL.Scheme == schemeSocks5:
|
||||
var auth *proxy.Auth
|
||||
if u := cfg.ProxyURL.User; u != nil {
|
||||
auth = &proxy.Auth{User: u.Username()}
|
||||
auth.Password, _ = u.Password()
|
||||
}
|
||||
|
||||
// SOCKS5 implementation do not return errors.
|
||||
socksDialer, _ := proxy.SOCKS5("tcp", proxyAddr, auth, proxyDialer)
|
||||
return dialerFunc(func(network, targetAddr string) (net.Conn, error) {
|
||||
co, err := socksDialer.Dial("tcp", targetAddr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if cfg.TLS {
|
||||
c := &tls.Config{}
|
||||
if tlsConfig != nil {
|
||||
c = tlsConfig.Clone()
|
||||
}
|
||||
|
||||
if c.ServerName == "" {
|
||||
host, _, _ := net.SplitHostPort(targetAddr)
|
||||
c.ServerName = host
|
||||
}
|
||||
|
||||
return tls.Client(co, c), nil
|
||||
}
|
||||
|
||||
return co, nil
|
||||
})
|
||||
case cfg.HTTP && !cfg.TLS:
|
||||
// Nothing to do the Proxy-Authorization header will be added by the ReverseProxy.
|
||||
|
||||
default:
|
||||
hdr := make(http.Header)
|
||||
if u := cfg.ProxyURL.User; u != nil {
|
||||
username := u.Username()
|
||||
password, _ := u.Password()
|
||||
auth := username + ":" + password
|
||||
hdr.Set("Proxy-Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte(auth)))
|
||||
}
|
||||
|
||||
return dialerFunc(func(network, targetAddr string) (net.Conn, error) {
|
||||
conn, err := proxyDialer.Dial("tcp", proxyAddr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
connectReq := &http.Request{
|
||||
Method: http.MethodConnect,
|
||||
URL: &url.URL{Opaque: targetAddr},
|
||||
Host: targetAddr,
|
||||
Header: hdr,
|
||||
}
|
||||
|
||||
connectCtx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
|
||||
defer cancel()
|
||||
|
||||
didReadResponse := make(chan struct{}) // closed after CONNECT write+read is done or fails
|
||||
var resp *http.Response
|
||||
|
||||
// Write the CONNECT request & read the response.
|
||||
go func() {
|
||||
defer close(didReadResponse)
|
||||
err = connectReq.Write(conn)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
// Okay to use and discard buffered reader here, because
|
||||
// TLS server will not speak until spoken to.
|
||||
br := bufio.NewReader(conn)
|
||||
resp, err = http.ReadResponse(br, connectReq)
|
||||
}()
|
||||
|
||||
select {
|
||||
case <-connectCtx.Done():
|
||||
conn.Close()
|
||||
<-didReadResponse
|
||||
return nil, connectCtx.Err()
|
||||
case <-didReadResponse:
|
||||
// resp or err now set
|
||||
}
|
||||
if err != nil {
|
||||
conn.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if resp.StatusCode != http.StatusOK {
|
||||
_, statusText, ok := strings.Cut(resp.Status, " ")
|
||||
conn.Close()
|
||||
if !ok {
|
||||
return nil, errors.New("unknown status code")
|
||||
}
|
||||
|
||||
return nil, errors.New(statusText)
|
||||
}
|
||||
|
||||
c := &tls.Config{}
|
||||
if tlsConfig != nil {
|
||||
c = tlsConfig.Clone()
|
||||
}
|
||||
if c.ServerName == "" {
|
||||
host, _, _ := net.SplitHostPort(targetAddr)
|
||||
c.ServerName = host
|
||||
}
|
||||
|
||||
return tls.Client(conn, c), nil
|
||||
})
|
||||
}
|
||||
return dialerFunc(func(network, addr string) (net.Conn, error) {
|
||||
return proxyDialer.Dial("tcp", proxyAddr)
|
||||
})
|
||||
}
|
||||
|
||||
func buildDialer(cfg dialerConfig, tlsConfig *tls.Config, isTLS bool) dialer {
|
||||
dialer := &net.Dialer{
|
||||
Timeout: cfg.DialTimeout,
|
||||
KeepAlive: cfg.DialKeepAlive,
|
||||
}
|
||||
|
||||
if !isTLS {
|
||||
return dialer
|
||||
}
|
||||
|
||||
return &tls.Dialer{
|
||||
NetDialer: dialer,
|
||||
Config: tlsConfig,
|
||||
}
|
||||
}
|
||||
|
||||
func addrFromURL(u *url.URL) string {
|
||||
addr := u.Host
|
||||
|
||||
if u.Port() == "" {
|
||||
switch u.Scheme {
|
||||
case schemeHTTP:
|
||||
return addr + ":80"
|
||||
case schemeHTTPS:
|
||||
return addr + ":443"
|
||||
}
|
||||
}
|
||||
|
||||
return addr
|
||||
}
|
||||
553
pkg/proxy/fast/proxy.go
Normal file
553
pkg/proxy/fast/proxy.go
Normal file
|
|
@ -0,0 +1,553 @@
|
|||
package fast
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"bytes"
|
||||
"encoding/base64"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
"net/http"
|
||||
"net/http/httptrace"
|
||||
"net/http/httputil"
|
||||
"net/url"
|
||||
"strings"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"time"
|
||||
|
||||
"github.com/rs/zerolog/log"
|
||||
proxyhttputil "github.com/traefik/traefik/v3/pkg/proxy/httputil"
|
||||
"github.com/valyala/fasthttp"
|
||||
"golang.org/x/net/http/httpguts"
|
||||
)
|
||||
|
||||
const (
|
||||
bufferSize = 32 * 1024
|
||||
bufioSize = 64 * 1024
|
||||
)
|
||||
|
||||
var hopHeaders = []string{
|
||||
"Connection",
|
||||
"Proxy-Connection", // non-standard but still sent by libcurl and rejected by e.g. google
|
||||
"Keep-Alive",
|
||||
"Proxy-Authenticate",
|
||||
"Proxy-Authorization",
|
||||
"Te", // canonicalized version of "TE"
|
||||
"Trailer", // not Trailers per URL above; https://www.rfc-editor.org/errata_search.php?eid=4522
|
||||
"Transfer-Encoding",
|
||||
"Upgrade",
|
||||
}
|
||||
|
||||
type pool[T any] struct {
|
||||
pool sync.Pool
|
||||
}
|
||||
|
||||
func (p *pool[T]) Get() T {
|
||||
if tmp := p.pool.Get(); tmp != nil {
|
||||
return tmp.(T)
|
||||
}
|
||||
|
||||
var res T
|
||||
return res
|
||||
}
|
||||
|
||||
func (p *pool[T]) Put(x T) {
|
||||
p.pool.Put(x)
|
||||
}
|
||||
|
||||
type buffConn struct {
|
||||
*bufio.Reader
|
||||
net.Conn
|
||||
}
|
||||
|
||||
func (b buffConn) Read(p []byte) (int, error) {
|
||||
return b.Reader.Read(p)
|
||||
}
|
||||
|
||||
type writeDetector struct {
|
||||
net.Conn
|
||||
|
||||
written bool
|
||||
}
|
||||
|
||||
func (w *writeDetector) Write(p []byte) (int, error) {
|
||||
n, err := w.Conn.Write(p)
|
||||
if n > 0 {
|
||||
w.written = true
|
||||
}
|
||||
|
||||
return n, err
|
||||
}
|
||||
|
||||
type writeFlusher struct {
|
||||
io.Writer
|
||||
}
|
||||
|
||||
func (w *writeFlusher) Write(b []byte) (int, error) {
|
||||
n, err := w.Writer.Write(b)
|
||||
if f, ok := w.Writer.(http.Flusher); ok {
|
||||
f.Flush()
|
||||
}
|
||||
|
||||
return n, err
|
||||
}
|
||||
|
||||
type timeoutError struct {
|
||||
error
|
||||
}
|
||||
|
||||
func (t timeoutError) Timeout() bool {
|
||||
return true
|
||||
}
|
||||
|
||||
func (t timeoutError) Temporary() bool {
|
||||
return false
|
||||
}
|
||||
|
||||
// ReverseProxy is the FastProxy reverse proxy implementation.
|
||||
type ReverseProxy struct {
|
||||
debug bool
|
||||
|
||||
connPool *connPool
|
||||
|
||||
bufferPool pool[[]byte]
|
||||
readerPool pool[*bufio.Reader]
|
||||
writerPool pool[*bufio.Writer]
|
||||
limitReaderPool pool[*io.LimitedReader]
|
||||
|
||||
proxyAuth string
|
||||
|
||||
targetURL *url.URL
|
||||
passHostHeader bool
|
||||
responseHeaderTimeout time.Duration
|
||||
}
|
||||
|
||||
// NewReverseProxy creates a new ReverseProxy.
|
||||
func NewReverseProxy(targetURL *url.URL, proxyURL *url.URL, debug, passHostHeader bool, responseHeaderTimeout time.Duration, connPool *connPool) (*ReverseProxy, error) {
|
||||
var proxyAuth string
|
||||
if proxyURL != nil && proxyURL.User != nil && targetURL.Scheme == "http" {
|
||||
username := proxyURL.User.Username()
|
||||
password, _ := proxyURL.User.Password()
|
||||
proxyAuth = "Basic " + base64.StdEncoding.EncodeToString([]byte(username+":"+password))
|
||||
}
|
||||
|
||||
return &ReverseProxy{
|
||||
debug: debug,
|
||||
passHostHeader: passHostHeader,
|
||||
targetURL: targetURL,
|
||||
proxyAuth: proxyAuth,
|
||||
connPool: connPool,
|
||||
responseHeaderTimeout: responseHeaderTimeout,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (p *ReverseProxy) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
|
||||
if req.Body != nil {
|
||||
defer req.Body.Close()
|
||||
}
|
||||
|
||||
outReq := fasthttp.AcquireRequest()
|
||||
defer fasthttp.ReleaseRequest(outReq)
|
||||
|
||||
// This is not required as the headers are already normalized by net/http.
|
||||
outReq.Header.DisableNormalizing()
|
||||
|
||||
for k, v := range req.Header {
|
||||
for _, s := range v {
|
||||
outReq.Header.Add(k, s)
|
||||
}
|
||||
}
|
||||
|
||||
removeConnectionHeaders(&outReq.Header)
|
||||
|
||||
for _, header := range hopHeaders {
|
||||
outReq.Header.Del(header)
|
||||
}
|
||||
|
||||
if p.proxyAuth != "" {
|
||||
outReq.Header.Set("Proxy-Authorization", p.proxyAuth)
|
||||
}
|
||||
|
||||
if httpguts.HeaderValuesContainsToken(req.Header["Te"], "trailers") {
|
||||
outReq.Header.Set("Te", "trailers")
|
||||
}
|
||||
|
||||
if p.debug {
|
||||
outReq.Header.Set("X-Traefik-Fast-Proxy", "enabled")
|
||||
}
|
||||
|
||||
reqUpType := upgradeType(req.Header)
|
||||
if !isGraphic(reqUpType) {
|
||||
proxyhttputil.ErrorHandler(rw, req, fmt.Errorf("client tried to switch to invalid protocol %q", reqUpType))
|
||||
return
|
||||
}
|
||||
|
||||
if reqUpType != "" {
|
||||
outReq.Header.Set("Connection", "Upgrade")
|
||||
outReq.Header.Set("Upgrade", reqUpType)
|
||||
if reqUpType == "websocket" {
|
||||
cleanWebSocketHeaders(&outReq.Header)
|
||||
}
|
||||
}
|
||||
|
||||
u2 := new(url.URL)
|
||||
*u2 = *req.URL
|
||||
u2.Scheme = p.targetURL.Scheme
|
||||
u2.Host = p.targetURL.Host
|
||||
|
||||
u := req.URL
|
||||
if req.RequestURI != "" {
|
||||
parsedURL, err := url.ParseRequestURI(req.RequestURI)
|
||||
if err == nil {
|
||||
u = parsedURL
|
||||
}
|
||||
}
|
||||
|
||||
u2.Path = u.Path
|
||||
u2.RawPath = u.RawPath
|
||||
u2.RawQuery = strings.ReplaceAll(u.RawQuery, ";", "&")
|
||||
|
||||
outReq.SetHost(u2.Host)
|
||||
outReq.Header.SetHost(u2.Host)
|
||||
|
||||
if p.passHostHeader {
|
||||
outReq.Header.SetHost(req.Host)
|
||||
}
|
||||
|
||||
outReq.SetRequestURI(u2.RequestURI())
|
||||
|
||||
outReq.SetBodyStream(req.Body, int(req.ContentLength))
|
||||
|
||||
outReq.Header.SetMethod(req.Method)
|
||||
|
||||
if clientIP, _, err := net.SplitHostPort(req.RemoteAddr); err == nil {
|
||||
// If we aren't the first proxy retain prior
|
||||
// X-Forwarded-For information as a comma+space
|
||||
// separated list and fold multiple headers into one.
|
||||
prior, ok := req.Header["X-Forwarded-For"]
|
||||
if len(prior) > 0 {
|
||||
clientIP = strings.Join(prior, ", ") + ", " + clientIP
|
||||
}
|
||||
|
||||
omit := ok && prior == nil // Go Issue 38079: nil now means don't populate the header
|
||||
if !omit {
|
||||
outReq.Header.Set("X-Forwarded-For", clientIP)
|
||||
}
|
||||
}
|
||||
|
||||
if err := p.roundTrip(rw, req, outReq, reqUpType); err != nil {
|
||||
proxyhttputil.ErrorHandler(rw, req, err)
|
||||
}
|
||||
}
|
||||
|
||||
// Note that unlike the net/http RoundTrip:
|
||||
// - we are not supporting "100 Continue" response to forward them as-is to the client.
|
||||
// - we are not asking for compressed response automatically. That is because this will add an extra cost when the
|
||||
// client is asking for an uncompressed response, as we will have to un-compress it, and nowadays most clients are
|
||||
// already asking for compressed response (allowing "passthrough" compression).
|
||||
func (p *ReverseProxy) roundTrip(rw http.ResponseWriter, req *http.Request, outReq *fasthttp.Request, reqUpType string) error {
|
||||
ctx := req.Context()
|
||||
trace := httptrace.ContextClientTrace(ctx)
|
||||
|
||||
var co *conn
|
||||
for {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return ctx.Err()
|
||||
|
||||
default:
|
||||
}
|
||||
|
||||
var err error
|
||||
co, err = p.connPool.AcquireConn()
|
||||
if err != nil {
|
||||
return fmt.Errorf("acquire connection: %w", err)
|
||||
}
|
||||
|
||||
wd := &writeDetector{Conn: co}
|
||||
|
||||
err = p.writeRequest(wd, outReq)
|
||||
if wd.written && trace != nil && trace.WroteRequest != nil {
|
||||
// WroteRequest hook is used by the tracing middleware to detect if the request has been written.
|
||||
trace.WroteRequest(httptrace.WroteRequestInfo{})
|
||||
}
|
||||
if err == nil {
|
||||
break
|
||||
}
|
||||
|
||||
log.Ctx(ctx).Debug().Err(err).Msg("Error while writing request")
|
||||
|
||||
co.Close()
|
||||
|
||||
if wd.written && !isReplayable(req) {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
br := p.readerPool.Get()
|
||||
if br == nil {
|
||||
br = bufio.NewReaderSize(co, bufioSize)
|
||||
}
|
||||
defer p.readerPool.Put(br)
|
||||
|
||||
br.Reset(co)
|
||||
|
||||
res := fasthttp.AcquireResponse()
|
||||
defer fasthttp.ReleaseResponse(res)
|
||||
|
||||
res.Header.SetNoDefaultContentType(true)
|
||||
|
||||
for {
|
||||
var timer *time.Timer
|
||||
errTimeout := atomic.Pointer[timeoutError]{}
|
||||
if p.responseHeaderTimeout > 0 {
|
||||
timer = time.AfterFunc(p.responseHeaderTimeout, func() {
|
||||
errTimeout.Store(&timeoutError{errors.New("timeout awaiting response headers")})
|
||||
co.Close()
|
||||
})
|
||||
}
|
||||
|
||||
res.Header.SetNoDefaultContentType(true)
|
||||
if err := res.Header.Read(br); err != nil {
|
||||
if p.responseHeaderTimeout > 0 {
|
||||
if errT := errTimeout.Load(); errT != nil {
|
||||
return errT
|
||||
}
|
||||
}
|
||||
co.Close()
|
||||
return err
|
||||
}
|
||||
|
||||
if timer != nil {
|
||||
timer.Stop()
|
||||
}
|
||||
|
||||
fixPragmaCacheControl(&res.Header)
|
||||
|
||||
resCode := res.StatusCode()
|
||||
is1xx := 100 <= resCode && resCode <= 199
|
||||
// treat 101 as a terminal status, see issue 26161
|
||||
is1xxNonTerminal := is1xx && resCode != http.StatusSwitchingProtocols
|
||||
if is1xxNonTerminal {
|
||||
removeConnectionHeaders(&res.Header)
|
||||
h := rw.Header()
|
||||
|
||||
for _, header := range hopHeaders {
|
||||
res.Header.Del(header)
|
||||
}
|
||||
|
||||
res.Header.VisitAll(func(key, value []byte) {
|
||||
rw.Header().Add(string(key), string(value))
|
||||
})
|
||||
|
||||
rw.WriteHeader(res.StatusCode())
|
||||
// Clear headers, it's not automatically done by ResponseWriter.WriteHeader() for 1xx responses
|
||||
for k := range h {
|
||||
delete(h, k)
|
||||
}
|
||||
|
||||
res.Reset()
|
||||
res.Header.Reset()
|
||||
res.Header.SetNoDefaultContentType(true)
|
||||
|
||||
continue
|
||||
}
|
||||
break
|
||||
}
|
||||
|
||||
announcedTrailers := res.Header.Peek("Trailer")
|
||||
|
||||
// Deal with 101 Switching Protocols responses: (WebSocket, h2c, etc)
|
||||
if res.StatusCode() == http.StatusSwitchingProtocols {
|
||||
// As the connection has been hijacked, it cannot be added back to the pool.
|
||||
handleUpgradeResponse(rw, req, reqUpType, res, buffConn{Conn: co, Reader: br})
|
||||
return nil
|
||||
}
|
||||
|
||||
removeConnectionHeaders(&res.Header)
|
||||
|
||||
for _, header := range hopHeaders {
|
||||
res.Header.Del(header)
|
||||
}
|
||||
|
||||
if len(announcedTrailers) > 0 {
|
||||
res.Header.Add("Trailer", string(announcedTrailers))
|
||||
}
|
||||
|
||||
res.Header.VisitAll(func(key, value []byte) {
|
||||
rw.Header().Add(string(key), string(value))
|
||||
})
|
||||
|
||||
rw.WriteHeader(res.StatusCode())
|
||||
|
||||
// Chunked response, Content-Length is set to -1 by FastProxy when "Transfer-Encoding: chunked" header is received.
|
||||
if res.Header.ContentLength() == -1 {
|
||||
cbr := httputil.NewChunkedReader(br)
|
||||
|
||||
b := p.bufferPool.Get()
|
||||
if b == nil {
|
||||
b = make([]byte, bufferSize)
|
||||
}
|
||||
defer p.bufferPool.Put(b)
|
||||
|
||||
if _, err := io.CopyBuffer(&writeFlusher{rw}, cbr, b); err != nil {
|
||||
co.Close()
|
||||
return err
|
||||
}
|
||||
|
||||
res.Header.Reset()
|
||||
res.Header.SetNoDefaultContentType(true)
|
||||
if err := res.Header.ReadTrailer(br); err != nil {
|
||||
co.Close()
|
||||
return err
|
||||
}
|
||||
|
||||
if res.Header.Len() > 0 {
|
||||
var announcedTrailersKey []string
|
||||
if len(announcedTrailers) > 0 {
|
||||
announcedTrailersKey = strings.Split(string(announcedTrailers), ",")
|
||||
}
|
||||
|
||||
res.Header.VisitAll(func(key, value []byte) {
|
||||
for _, s := range announcedTrailersKey {
|
||||
if strings.EqualFold(s, strings.TrimSpace(string(key))) {
|
||||
rw.Header().Add(string(key), string(value))
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
rw.Header().Add(http.TrailerPrefix+string(key), string(value))
|
||||
})
|
||||
}
|
||||
|
||||
p.connPool.ReleaseConn(co)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
brl := p.limitReaderPool.Get()
|
||||
if brl == nil {
|
||||
brl = &io.LimitedReader{}
|
||||
}
|
||||
defer p.limitReaderPool.Put(brl)
|
||||
|
||||
brl.R = br
|
||||
brl.N = int64(res.Header.ContentLength())
|
||||
|
||||
b := p.bufferPool.Get()
|
||||
if b == nil {
|
||||
b = make([]byte, bufferSize)
|
||||
}
|
||||
defer p.bufferPool.Put(b)
|
||||
|
||||
if _, err := io.CopyBuffer(rw, brl, b); err != nil {
|
||||
co.Close()
|
||||
return err
|
||||
}
|
||||
|
||||
p.connPool.ReleaseConn(co)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (p *ReverseProxy) writeRequest(co net.Conn, outReq *fasthttp.Request) error {
|
||||
bw := p.writerPool.Get()
|
||||
if bw == nil {
|
||||
bw = bufio.NewWriterSize(co, bufioSize)
|
||||
}
|
||||
defer p.writerPool.Put(bw)
|
||||
|
||||
bw.Reset(co)
|
||||
|
||||
if err := outReq.Write(bw); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return bw.Flush()
|
||||
}
|
||||
|
||||
// isReplayable returns whether the request is replayable.
|
||||
func isReplayable(req *http.Request) bool {
|
||||
if req.Body == nil || req.Body == http.NoBody {
|
||||
switch req.Method {
|
||||
case http.MethodGet, http.MethodHead, http.MethodOptions, http.MethodTrace:
|
||||
return true
|
||||
}
|
||||
|
||||
// The Idempotency-Key, while non-standard, is widely used to
|
||||
// mean a POST or other request is idempotent. See
|
||||
// https://golang.org/issue/19943#issuecomment-421092421
|
||||
if _, ok := req.Header["Idempotency-Key"]; ok {
|
||||
return true
|
||||
}
|
||||
|
||||
if _, ok := req.Header["X-Idempotency-Key"]; ok {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
// isGraphic returns whether s is ASCII and printable according to
|
||||
// https://tools.ietf.org/html/rfc20#section-4.2.
|
||||
func isGraphic(s string) bool {
|
||||
for i := range len(s) {
|
||||
if s[i] < ' ' || s[i] > '~' {
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
type fasthttpHeader interface {
|
||||
Peek(key string) []byte
|
||||
Set(key string, value string)
|
||||
SetBytesV(key string, value []byte)
|
||||
DelBytes(key []byte)
|
||||
Del(key string)
|
||||
}
|
||||
|
||||
// removeConnectionHeaders removes hop-by-hop headers listed in the "Connection" header of h.
|
||||
// See RFC 7230, section 6.1.
|
||||
func removeConnectionHeaders(h fasthttpHeader) {
|
||||
f := h.Peek(fasthttp.HeaderConnection)
|
||||
for _, sf := range bytes.Split(f, []byte{','}) {
|
||||
if sf = bytes.TrimSpace(sf); len(sf) > 0 {
|
||||
h.DelBytes(sf)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// RFC 7234, section 5.4: Should treat Pragma: no-cache like Cache-Control: no-cache.
|
||||
func fixPragmaCacheControl(header fasthttpHeader) {
|
||||
if pragma := header.Peek("Pragma"); bytes.Equal(pragma, []byte("no-cache")) {
|
||||
if len(header.Peek("Cache-Control")) == 0 {
|
||||
header.Set("Cache-Control", "no-cache")
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// cleanWebSocketHeaders Even if the websocket RFC says that headers should be case-insensitive,
|
||||
// some servers need Sec-WebSocket-Key, Sec-WebSocket-Extensions, Sec-WebSocket-Accept,
|
||||
// Sec-WebSocket-Protocol and Sec-WebSocket-Version to be case-sensitive.
|
||||
// https://tools.ietf.org/html/rfc6455#page-20
|
||||
func cleanWebSocketHeaders(headers fasthttpHeader) {
|
||||
headers.SetBytesV("Sec-WebSocket-Key", headers.Peek("Sec-Websocket-Key"))
|
||||
headers.Del("Sec-Websocket-Key")
|
||||
|
||||
headers.SetBytesV("Sec-WebSocket-Extensions", headers.Peek("Sec-Websocket-Extensions"))
|
||||
headers.Del("Sec-Websocket-Extensions")
|
||||
|
||||
headers.SetBytesV("Sec-WebSocket-Accept", headers.Peek("Sec-Websocket-Accept"))
|
||||
headers.Del("Sec-Websocket-Accept")
|
||||
|
||||
headers.SetBytesV("Sec-WebSocket-Protocol", headers.Peek("Sec-Websocket-Protocol"))
|
||||
headers.Del("Sec-Websocket-Protocol")
|
||||
|
||||
headers.SetBytesV("Sec-WebSocket-Version", headers.Peek("Sec-Websocket-Version"))
|
||||
headers.DelBytes([]byte("Sec-Websocket-Version"))
|
||||
}
|
||||
311
pkg/proxy/fast/proxy_test.go
Normal file
311
pkg/proxy/fast/proxy_test.go
Normal file
|
|
@ -0,0 +1,311 @@
|
|||
package fast
|
||||
|
||||
import (
|
||||
"crypto/tls"
|
||||
"crypto/x509"
|
||||
"encoding/base64"
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"net/http/httputil"
|
||||
"net/url"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/armon/go-socks5"
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
"github.com/traefik/traefik/v3/pkg/config/dynamic"
|
||||
"github.com/traefik/traefik/v3/pkg/config/static"
|
||||
"github.com/traefik/traefik/v3/pkg/testhelpers"
|
||||
"github.com/traefik/traefik/v3/pkg/tls/generate"
|
||||
)
|
||||
|
||||
const (
|
||||
proxyHTTP = "http"
|
||||
proxyHTTPS = "https"
|
||||
proxySocks5 = "socks"
|
||||
)
|
||||
|
||||
type authCreds struct {
|
||||
user string
|
||||
password string
|
||||
}
|
||||
|
||||
func TestProxyFromEnvironment(t *testing.T) {
|
||||
testCases := []struct {
|
||||
desc string
|
||||
proxyType string
|
||||
tls bool
|
||||
auth *authCreds
|
||||
}{
|
||||
{
|
||||
desc: "Proxy HTTP with HTTP Backend",
|
||||
proxyType: proxyHTTP,
|
||||
},
|
||||
{
|
||||
desc: "Proxy HTTP with HTTP backend and proxy auth",
|
||||
proxyType: proxyHTTP,
|
||||
tls: false,
|
||||
auth: &authCreds{
|
||||
user: "user",
|
||||
password: "password",
|
||||
},
|
||||
},
|
||||
{
|
||||
desc: "Proxy HTTP with HTTPS backend",
|
||||
proxyType: proxyHTTP,
|
||||
tls: true,
|
||||
},
|
||||
{
|
||||
desc: "Proxy HTTP with HTTPS backend and proxy auth",
|
||||
proxyType: proxyHTTP,
|
||||
tls: true,
|
||||
auth: &authCreds{
|
||||
user: "user",
|
||||
password: "password",
|
||||
},
|
||||
},
|
||||
{
|
||||
desc: "Proxy HTTPS with HTTP backend",
|
||||
proxyType: proxyHTTPS,
|
||||
},
|
||||
{
|
||||
desc: "Proxy HTTPS with HTTP backend and proxy auth",
|
||||
proxyType: proxyHTTPS,
|
||||
tls: false,
|
||||
auth: &authCreds{
|
||||
user: "user",
|
||||
password: "password",
|
||||
},
|
||||
},
|
||||
{
|
||||
desc: "Proxy HTTPS with HTTPS backend",
|
||||
proxyType: proxyHTTPS,
|
||||
tls: true,
|
||||
},
|
||||
{
|
||||
desc: "Proxy HTTPS with HTTPS backend and proxy auth",
|
||||
proxyType: proxyHTTPS,
|
||||
tls: true,
|
||||
auth: &authCreds{
|
||||
user: "user",
|
||||
password: "password",
|
||||
},
|
||||
},
|
||||
{
|
||||
desc: "Proxy Socks5 with HTTP backend",
|
||||
proxyType: proxySocks5,
|
||||
},
|
||||
{
|
||||
desc: "Proxy Socks5 with HTTP backend and proxy auth",
|
||||
proxyType: proxySocks5,
|
||||
auth: &authCreds{
|
||||
user: "user",
|
||||
password: "password",
|
||||
},
|
||||
},
|
||||
{
|
||||
desc: "Proxy Socks5 with HTTPS backend",
|
||||
proxyType: proxySocks5,
|
||||
tls: true,
|
||||
},
|
||||
{
|
||||
desc: "Proxy Socks5 with HTTPS backend and proxy auth",
|
||||
proxyType: proxySocks5,
|
||||
tls: true,
|
||||
auth: &authCreds{
|
||||
user: "user",
|
||||
password: "password",
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range testCases {
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
backendURL, backendCert := newBackendServer(t, test.tls, http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
|
||||
_, _ = rw.Write([]byte("backend"))
|
||||
}))
|
||||
|
||||
var proxyCalled bool
|
||||
proxyHandler := http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
|
||||
proxyCalled = true
|
||||
|
||||
if test.auth != nil {
|
||||
proxyAuth := "Basic " + base64.StdEncoding.EncodeToString([]byte(test.auth.user+":"+test.auth.password))
|
||||
require.Equal(t, proxyAuth, req.Header.Get("Proxy-Authorization"))
|
||||
}
|
||||
|
||||
if req.Method != http.MethodConnect {
|
||||
proxy := httputil.NewSingleHostReverseProxy(testhelpers.MustParseURL("http://" + req.Host))
|
||||
proxy.ServeHTTP(rw, req)
|
||||
return
|
||||
}
|
||||
|
||||
// CONNECT method
|
||||
conn, err := net.Dial("tcp", req.Host)
|
||||
require.NoError(t, err)
|
||||
|
||||
hj, ok := rw.(http.Hijacker)
|
||||
require.True(t, ok)
|
||||
|
||||
rw.WriteHeader(http.StatusOK)
|
||||
connHj, _, err := hj.Hijack()
|
||||
require.NoError(t, err)
|
||||
|
||||
go func() { _, _ = io.Copy(connHj, conn) }()
|
||||
_, _ = io.Copy(conn, connHj)
|
||||
})
|
||||
|
||||
var proxyURL string
|
||||
var proxyCert *x509.Certificate
|
||||
|
||||
switch test.proxyType {
|
||||
case proxySocks5:
|
||||
ln, err := net.Listen("tcp", ":0")
|
||||
require.NoError(t, err)
|
||||
|
||||
proxyURL = fmt.Sprintf("socks5://%s", ln.Addr())
|
||||
|
||||
go func() {
|
||||
conn, err := ln.Accept()
|
||||
require.NoError(t, err)
|
||||
|
||||
proxyCalled = true
|
||||
|
||||
conf := &socks5.Config{}
|
||||
if test.auth != nil {
|
||||
conf.Credentials = socks5.StaticCredentials{test.auth.user: test.auth.password}
|
||||
}
|
||||
|
||||
server, err := socks5.New(conf)
|
||||
require.NoError(t, err)
|
||||
|
||||
// We are not checking the error, because ServeConn is blocked until the client or the backend
|
||||
// connection is closed which, in some cases, raises a connection reset by peer error.
|
||||
_ = server.ServeConn(conn)
|
||||
|
||||
err = ln.Close()
|
||||
require.NoError(t, err)
|
||||
}()
|
||||
|
||||
case proxyHTTP:
|
||||
proxyServer := httptest.NewServer(proxyHandler)
|
||||
t.Cleanup(proxyServer.Close)
|
||||
|
||||
proxyURL = proxyServer.URL
|
||||
|
||||
case proxyHTTPS:
|
||||
proxyServer := httptest.NewServer(proxyHandler)
|
||||
t.Cleanup(proxyServer.Close)
|
||||
|
||||
proxyURL = proxyServer.URL
|
||||
proxyCert = proxyServer.Certificate()
|
||||
}
|
||||
|
||||
certPool := x509.NewCertPool()
|
||||
if proxyCert != nil {
|
||||
certPool.AddCert(proxyCert)
|
||||
}
|
||||
if backendCert != nil {
|
||||
cert, err := x509.ParseCertificate(backendCert.Certificate[0])
|
||||
require.NoError(t, err)
|
||||
|
||||
certPool.AddCert(cert)
|
||||
}
|
||||
|
||||
builder := NewProxyBuilder(&transportManagerMock{tlsConfig: &tls.Config{RootCAs: certPool}}, static.FastProxyConfig{})
|
||||
builder.proxy = func(req *http.Request) (*url.URL, error) {
|
||||
u, err := url.Parse(proxyURL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if test.auth != nil {
|
||||
u.User = url.UserPassword(test.auth.user, test.auth.password)
|
||||
}
|
||||
|
||||
return u, nil
|
||||
}
|
||||
|
||||
reverseProxy, err := builder.Build("foo", testhelpers.MustParseURL(backendURL), false)
|
||||
require.NoError(t, err)
|
||||
|
||||
reverseProxyServer := httptest.NewServer(reverseProxy)
|
||||
t.Cleanup(reverseProxyServer.Close)
|
||||
|
||||
client := http.Client{Timeout: 5 * time.Second}
|
||||
|
||||
resp, err := client.Get(reverseProxyServer.URL)
|
||||
require.NoError(t, err)
|
||||
|
||||
assert.Equal(t, http.StatusOK, resp.StatusCode)
|
||||
|
||||
body, err := io.ReadAll(resp.Body)
|
||||
require.NoError(t, err)
|
||||
|
||||
assert.Equal(t, "backend", string(body))
|
||||
assert.True(t, proxyCalled)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func newCertificate(t *testing.T, domain string) *tls.Certificate {
|
||||
t.Helper()
|
||||
|
||||
certPEM, keyPEM, err := generate.KeyPair(domain, time.Time{})
|
||||
require.NoError(t, err)
|
||||
|
||||
certificate, err := tls.X509KeyPair(certPEM, keyPEM)
|
||||
require.NoError(t, err)
|
||||
|
||||
return &certificate
|
||||
}
|
||||
|
||||
func newBackendServer(t *testing.T, isTLS bool, handler http.Handler) (string, *tls.Certificate) {
|
||||
t.Helper()
|
||||
|
||||
var ln net.Listener
|
||||
var err error
|
||||
var cert *tls.Certificate
|
||||
|
||||
scheme := "http"
|
||||
domain := "backend.localhost"
|
||||
if isTLS {
|
||||
scheme = "https"
|
||||
|
||||
cert = newCertificate(t, domain)
|
||||
|
||||
ln, err = tls.Listen("tcp", ":0", &tls.Config{Certificates: []tls.Certificate{*cert}})
|
||||
require.NoError(t, err)
|
||||
} else {
|
||||
ln, err = net.Listen("tcp", ":0")
|
||||
require.NoError(t, err)
|
||||
}
|
||||
|
||||
srv := &http.Server{Handler: handler}
|
||||
go func() { _ = srv.Serve(ln) }()
|
||||
|
||||
t.Cleanup(func() { _ = srv.Close() })
|
||||
|
||||
_, port, err := net.SplitHostPort(ln.Addr().String())
|
||||
require.NoError(t, err)
|
||||
|
||||
backendURL := fmt.Sprintf("%s://%s:%s", scheme, domain, port)
|
||||
|
||||
return backendURL, cert
|
||||
}
|
||||
|
||||
type transportManagerMock struct {
|
||||
tlsConfig *tls.Config
|
||||
}
|
||||
|
||||
func (r *transportManagerMock) GetTLSConfig(_ string) (*tls.Config, error) {
|
||||
return r.tlsConfig, nil
|
||||
}
|
||||
|
||||
func (r *transportManagerMock) Get(_ string) (*dynamic.ServersTransport, error) {
|
||||
return &dynamic.ServersTransport{}, nil
|
||||
}
|
||||
693
pkg/proxy/fast/proxy_websocket_test.go
Normal file
693
pkg/proxy/fast/proxy_websocket_test.go
Normal file
|
|
@ -0,0 +1,693 @@
|
|||
package fast
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"crypto/tls"
|
||||
"errors"
|
||||
"fmt"
|
||||
"net"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"net/url"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
gorillawebsocket "github.com/gorilla/websocket"
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
"github.com/traefik/traefik/v3/pkg/testhelpers"
|
||||
"golang.org/x/net/websocket"
|
||||
)
|
||||
|
||||
func TestWebSocketTCPClose(t *testing.T) {
|
||||
errChan := make(chan error, 1)
|
||||
upgrader := gorillawebsocket.Upgrader{}
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
c, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer c.Close()
|
||||
|
||||
for {
|
||||
_, _, err := c.ReadMessage()
|
||||
if err != nil {
|
||||
errChan <- err
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, createConnectionPool(srv.URL, nil))
|
||||
|
||||
proxyAddr := proxy.Listener.Addr().String()
|
||||
_, conn, err := newWebsocketRequest(
|
||||
withServer(proxyAddr),
|
||||
withPath("/ws"),
|
||||
).open()
|
||||
require.NoError(t, err)
|
||||
|
||||
conn.Close()
|
||||
|
||||
serverErr := <-errChan
|
||||
|
||||
var wsErr *gorillawebsocket.CloseError
|
||||
require.ErrorAs(t, serverErr, &wsErr)
|
||||
assert.Equal(t, 1006, wsErr.Code)
|
||||
}
|
||||
|
||||
func TestWebSocketPingPong(t *testing.T) {
|
||||
upgrader := gorillawebsocket.Upgrader{
|
||||
HandshakeTimeout: 10 * time.Second,
|
||||
CheckOrigin: func(*http.Request) bool {
|
||||
return true
|
||||
},
|
||||
}
|
||||
|
||||
mux := http.NewServeMux()
|
||||
mux.HandleFunc("/ws", func(writer http.ResponseWriter, request *http.Request) {
|
||||
ws, err := upgrader.Upgrade(writer, request, nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
ws.SetPingHandler(func(appData string) error {
|
||||
err = ws.WriteMessage(gorillawebsocket.PongMessage, []byte(appData+"Pong"))
|
||||
require.NoError(t, err)
|
||||
|
||||
return nil
|
||||
})
|
||||
|
||||
_, _, _ = ws.ReadMessage()
|
||||
})
|
||||
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
mux.ServeHTTP(w, req)
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, createConnectionPool(srv.URL, nil))
|
||||
serverAddr := proxy.Listener.Addr().String()
|
||||
|
||||
headers := http.Header{}
|
||||
webSocketURL := "ws://" + serverAddr + "/ws"
|
||||
headers.Add("Origin", webSocketURL)
|
||||
|
||||
conn, resp, err := gorillawebsocket.DefaultDialer.Dial(webSocketURL, headers)
|
||||
require.NoError(t, err, "Error during Dial with response: %+v", resp)
|
||||
defer conn.Close()
|
||||
|
||||
goodErr := fmt.Errorf("signal: %s", "Good data")
|
||||
badErr := fmt.Errorf("signal: %s", "Bad data")
|
||||
conn.SetPongHandler(func(data string) error {
|
||||
if data == "PingPong" {
|
||||
return goodErr
|
||||
}
|
||||
|
||||
return badErr
|
||||
})
|
||||
|
||||
err = conn.WriteControl(gorillawebsocket.PingMessage, []byte("Ping"), time.Now().Add(time.Second))
|
||||
require.NoError(t, err)
|
||||
|
||||
_, _, err = conn.ReadMessage()
|
||||
|
||||
if !errors.Is(err, goodErr) {
|
||||
require.NoError(t, err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestWebSocketEcho(t *testing.T) {
|
||||
mux := http.NewServeMux()
|
||||
mux.Handle("/ws", websocket.Handler(func(conn *websocket.Conn) {
|
||||
msg := make([]byte, 4)
|
||||
|
||||
n, err := conn.Read(msg)
|
||||
require.NoError(t, err)
|
||||
|
||||
_, err = conn.Write(msg[:n])
|
||||
require.NoError(t, err)
|
||||
|
||||
err = conn.Close()
|
||||
require.NoError(t, err)
|
||||
}))
|
||||
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
mux.ServeHTTP(w, req)
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, createConnectionPool(srv.URL, nil))
|
||||
serverAddr := proxy.Listener.Addr().String()
|
||||
|
||||
headers := http.Header{}
|
||||
webSocketURL := "ws://" + serverAddr + "/ws"
|
||||
headers.Add("Origin", webSocketURL)
|
||||
|
||||
conn, resp, err := gorillawebsocket.DefaultDialer.Dial(webSocketURL, headers)
|
||||
require.NoError(t, err, "Error during Dial with response: %+v", resp)
|
||||
|
||||
err = conn.WriteMessage(gorillawebsocket.TextMessage, []byte("OK"))
|
||||
require.NoError(t, err)
|
||||
|
||||
_, msg, err := conn.ReadMessage()
|
||||
require.NoError(t, err)
|
||||
|
||||
assert.Equal(t, "OK", string(msg))
|
||||
|
||||
err = conn.Close()
|
||||
require.NoError(t, err)
|
||||
}
|
||||
|
||||
func TestWebSocketPassHost(t *testing.T) {
|
||||
testCases := []struct {
|
||||
desc string
|
||||
passHost bool
|
||||
expected string
|
||||
}{
|
||||
{
|
||||
desc: "PassHost false",
|
||||
passHost: false,
|
||||
},
|
||||
{
|
||||
desc: "PassHost true",
|
||||
passHost: true,
|
||||
expected: "example.com",
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range testCases {
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
mux := http.NewServeMux()
|
||||
mux.Handle("/ws", websocket.Handler(func(conn *websocket.Conn) {
|
||||
req := conn.Request()
|
||||
|
||||
if test.passHost {
|
||||
require.Equal(t, test.expected, req.Host)
|
||||
} else {
|
||||
require.NotEqual(t, test.expected, req.Host)
|
||||
}
|
||||
|
||||
msg := make([]byte, 4)
|
||||
|
||||
n, err := conn.Read(msg)
|
||||
require.NoError(t, err)
|
||||
|
||||
_, err = conn.Write(msg[:n])
|
||||
require.NoError(t, err)
|
||||
|
||||
err = conn.Close()
|
||||
require.NoError(t, err)
|
||||
}))
|
||||
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
mux.ServeHTTP(w, req)
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, createConnectionPool(srv.URL, nil))
|
||||
|
||||
serverAddr := proxy.Listener.Addr().String()
|
||||
|
||||
headers := http.Header{}
|
||||
webSocketURL := "ws://" + serverAddr + "/ws"
|
||||
headers.Add("Origin", webSocketURL)
|
||||
headers.Add("Host", "example.com")
|
||||
|
||||
conn, resp, err := gorillawebsocket.DefaultDialer.Dial(webSocketURL, headers)
|
||||
require.NoError(t, err, "Error during Dial with response: %+v", resp)
|
||||
|
||||
err = conn.WriteMessage(gorillawebsocket.TextMessage, []byte("OK"))
|
||||
require.NoError(t, err)
|
||||
|
||||
_, msg, err := conn.ReadMessage()
|
||||
require.NoError(t, err)
|
||||
|
||||
assert.Equal(t, "OK", string(msg))
|
||||
|
||||
err = conn.Close()
|
||||
require.NoError(t, err)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestWebSocketServerWithoutCheckOrigin(t *testing.T) {
|
||||
upgrader := gorillawebsocket.Upgrader{CheckOrigin: func(r *http.Request) bool {
|
||||
return true
|
||||
}}
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
c, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer c.Close()
|
||||
for {
|
||||
mt, message, err := c.ReadMessage()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
err = c.WriteMessage(mt, message)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, createConnectionPool(srv.URL, nil))
|
||||
defer proxy.Close()
|
||||
|
||||
proxyAddr := proxy.Listener.Addr().String()
|
||||
resp, err := newWebsocketRequest(
|
||||
withServer(proxyAddr),
|
||||
withPath("/ws"),
|
||||
withData("ok"),
|
||||
withOrigin("http://127.0.0.2"),
|
||||
).send()
|
||||
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, "ok", resp)
|
||||
}
|
||||
|
||||
func TestWebSocketRequestWithOrigin(t *testing.T) {
|
||||
upgrader := gorillawebsocket.Upgrader{}
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
c, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer c.Close()
|
||||
for {
|
||||
mt, message, err := c.ReadMessage()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
err = c.WriteMessage(mt, message)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, createConnectionPool(srv.URL, nil))
|
||||
defer proxy.Close()
|
||||
|
||||
proxyAddr := proxy.Listener.Addr().String()
|
||||
_, err := newWebsocketRequest(
|
||||
withServer(proxyAddr),
|
||||
withPath("/ws"),
|
||||
withData("echo"),
|
||||
withOrigin("http://127.0.0.2"),
|
||||
).send()
|
||||
require.EqualError(t, err, "bad status")
|
||||
|
||||
resp, err := newWebsocketRequest(
|
||||
withServer(proxyAddr),
|
||||
withPath("/ws"),
|
||||
withData("ok"),
|
||||
).send()
|
||||
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, "ok", resp)
|
||||
}
|
||||
|
||||
func TestWebSocketRequestWithQueryParams(t *testing.T) {
|
||||
upgrader := gorillawebsocket.Upgrader{}
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
conn, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer conn.Close()
|
||||
|
||||
assert.Equal(t, "test", r.URL.Query().Get("query"))
|
||||
for {
|
||||
mt, message, err := conn.ReadMessage()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
err = conn.WriteMessage(mt, message)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, createConnectionPool(srv.URL, nil))
|
||||
defer proxy.Close()
|
||||
|
||||
proxyAddr := proxy.Listener.Addr().String()
|
||||
|
||||
resp, err := newWebsocketRequest(
|
||||
withServer(proxyAddr),
|
||||
withPath("/ws?query=test"),
|
||||
withData("ok"),
|
||||
).send()
|
||||
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, "ok", resp)
|
||||
}
|
||||
|
||||
func TestWebSocketRequestWithHeadersInResponseWriter(t *testing.T) {
|
||||
mux := http.NewServeMux()
|
||||
mux.Handle("/ws", websocket.Handler(func(conn *websocket.Conn) {
|
||||
_ = conn.Close()
|
||||
}))
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
mux.ServeHTTP(w, req)
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
u := parseURI(t, srv.URL)
|
||||
|
||||
f, err := NewReverseProxy(u, nil, true, false, 0, newConnPool(1, 0, func() (net.Conn, error) {
|
||||
return net.Dial("tcp", u.Host)
|
||||
}))
|
||||
require.NoError(t, err)
|
||||
|
||||
proxy := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
req.URL = parseURI(t, srv.URL)
|
||||
w.Header().Set("HEADER-KEY", "HEADER-VALUE")
|
||||
f.ServeHTTP(w, req)
|
||||
}))
|
||||
defer proxy.Close()
|
||||
|
||||
serverAddr := proxy.Listener.Addr().String()
|
||||
|
||||
headers := http.Header{}
|
||||
webSocketURL := "ws://" + serverAddr + "/ws"
|
||||
headers.Add("Origin", webSocketURL)
|
||||
conn, resp, err := gorillawebsocket.DefaultDialer.Dial(webSocketURL, headers)
|
||||
require.NoError(t, err, "Error during Dial with response: %+v", err, resp)
|
||||
defer conn.Close()
|
||||
|
||||
assert.Equal(t, "HEADER-VALUE", resp.Header.Get("HEADER-KEY"))
|
||||
}
|
||||
|
||||
func TestWebSocketRequestWithEncodedChar(t *testing.T) {
|
||||
upgrader := gorillawebsocket.Upgrader{}
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
conn, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer conn.Close()
|
||||
assert.Equal(t, "/%3A%2F%2F", r.URL.EscapedPath())
|
||||
for {
|
||||
mt, message, err := conn.ReadMessage()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
err = conn.WriteMessage(mt, message)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, createConnectionPool(srv.URL, nil))
|
||||
defer proxy.Close()
|
||||
|
||||
proxyAddr := proxy.Listener.Addr().String()
|
||||
|
||||
resp, err := newWebsocketRequest(
|
||||
withServer(proxyAddr),
|
||||
withPath("/%3A%2F%2F"),
|
||||
withData("ok"),
|
||||
).send()
|
||||
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, "ok", resp)
|
||||
}
|
||||
|
||||
func TestWebSocketUpgradeFailed(t *testing.T) {
|
||||
mux := http.NewServeMux()
|
||||
mux.HandleFunc("/ws", func(w http.ResponseWriter, req *http.Request) {
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
})
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
mux.ServeHTTP(w, req)
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
u := parseURI(t, srv.URL)
|
||||
f, err := NewReverseProxy(u, nil, true, false, 0, newConnPool(1, 0, func() (net.Conn, error) {
|
||||
return net.Dial("tcp", u.Host)
|
||||
}))
|
||||
require.NoError(t, err)
|
||||
|
||||
proxy := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
path := req.URL.Path // keep the original path
|
||||
|
||||
if path != "/ws" {
|
||||
w.WriteHeader(http.StatusOK)
|
||||
return
|
||||
}
|
||||
|
||||
// Set new backend URL
|
||||
req.URL = parseURI(t, srv.URL)
|
||||
req.URL.Path = path
|
||||
f.ServeHTTP(w, req)
|
||||
}))
|
||||
defer proxy.Close()
|
||||
|
||||
proxyAddr := proxy.Listener.Addr().String()
|
||||
conn, err := net.DialTimeout("tcp", proxyAddr, dialTimeout)
|
||||
|
||||
require.NoError(t, err)
|
||||
defer conn.Close()
|
||||
|
||||
req, err := http.NewRequest(http.MethodGet, "ws://127.0.0.1/ws", nil)
|
||||
require.NoError(t, err)
|
||||
|
||||
req.Header.Add("upgrade", "websocket")
|
||||
req.Header.Add("Connection", "upgrade")
|
||||
|
||||
err = req.Write(conn)
|
||||
require.NoError(t, err)
|
||||
|
||||
// First request works with 400
|
||||
br := bufio.NewReader(conn)
|
||||
resp, err := http.ReadResponse(br, req)
|
||||
require.NoError(t, err)
|
||||
|
||||
assert.Equal(t, 400, resp.StatusCode)
|
||||
}
|
||||
|
||||
func TestForwardsWebsocketTraffic(t *testing.T) {
|
||||
mux := http.NewServeMux()
|
||||
mux.Handle("/ws", websocket.Handler(func(conn *websocket.Conn) {
|
||||
_, err := conn.Write([]byte("ok"))
|
||||
require.NoError(t, err)
|
||||
|
||||
err = conn.Close()
|
||||
require.NoError(t, err)
|
||||
}))
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
mux.ServeHTTP(w, req)
|
||||
}))
|
||||
defer srv.Close()
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, createConnectionPool(srv.URL, nil))
|
||||
defer proxy.Close()
|
||||
|
||||
proxyAddr := proxy.Listener.Addr().String()
|
||||
resp, err := newWebsocketRequest(
|
||||
withServer(proxyAddr),
|
||||
withPath("/ws"),
|
||||
withData("echo"),
|
||||
).send()
|
||||
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, "ok", resp)
|
||||
}
|
||||
|
||||
func createTLSWebsocketServer() *httptest.Server {
|
||||
upgrader := gorillawebsocket.Upgrader{}
|
||||
srv := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
conn, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer conn.Close()
|
||||
for {
|
||||
mt, message, err := conn.ReadMessage()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
|
||||
err = conn.WriteMessage(mt, message)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
return srv
|
||||
}
|
||||
|
||||
func TestWebSocketTransferTLSConfig(t *testing.T) {
|
||||
srv := createTLSWebsocketServer()
|
||||
defer srv.Close()
|
||||
|
||||
proxyWithoutTLSConfig := createProxyWithForwarder(t, srv.URL, createConnectionPool(srv.URL, nil))
|
||||
defer proxyWithoutTLSConfig.Close()
|
||||
|
||||
proxyAddr := proxyWithoutTLSConfig.Listener.Addr().String()
|
||||
|
||||
_, err := newWebsocketRequest(
|
||||
withServer(proxyAddr),
|
||||
withPath("/ws"),
|
||||
withData("ok"),
|
||||
).send()
|
||||
|
||||
require.EqualError(t, err, "bad status")
|
||||
|
||||
pool := createConnectionPool(srv.URL, &tls.Config{InsecureSkipVerify: true})
|
||||
|
||||
proxyWithTLSConfig := createProxyWithForwarder(t, srv.URL, pool)
|
||||
defer proxyWithTLSConfig.Close()
|
||||
|
||||
proxyAddr = proxyWithTLSConfig.Listener.Addr().String()
|
||||
|
||||
resp, err := newWebsocketRequest(
|
||||
withServer(proxyAddr),
|
||||
withPath("/ws"),
|
||||
withData("ok"),
|
||||
).send()
|
||||
|
||||
require.NoError(t, err)
|
||||
assert.Equal(t, "ok", resp)
|
||||
}
|
||||
|
||||
const dialTimeout = time.Second
|
||||
|
||||
type websocketRequestOpt func(w *websocketRequest)
|
||||
|
||||
func withServer(server string) websocketRequestOpt {
|
||||
return func(w *websocketRequest) {
|
||||
w.ServerAddr = server
|
||||
}
|
||||
}
|
||||
|
||||
func withPath(path string) websocketRequestOpt {
|
||||
return func(w *websocketRequest) {
|
||||
w.Path = path
|
||||
}
|
||||
}
|
||||
|
||||
func withData(data string) websocketRequestOpt {
|
||||
return func(w *websocketRequest) {
|
||||
w.Data = data
|
||||
}
|
||||
}
|
||||
|
||||
func withOrigin(origin string) websocketRequestOpt {
|
||||
return func(w *websocketRequest) {
|
||||
w.Origin = origin
|
||||
}
|
||||
}
|
||||
|
||||
func newWebsocketRequest(opts ...websocketRequestOpt) *websocketRequest {
|
||||
wsrequest := &websocketRequest{}
|
||||
for _, opt := range opts {
|
||||
opt(wsrequest)
|
||||
}
|
||||
|
||||
if wsrequest.Origin == "" {
|
||||
wsrequest.Origin = "http://" + wsrequest.ServerAddr
|
||||
}
|
||||
|
||||
if wsrequest.Config == nil {
|
||||
wsrequest.Config, _ = websocket.NewConfig(fmt.Sprintf("ws://%s%s", wsrequest.ServerAddr, wsrequest.Path), wsrequest.Origin)
|
||||
}
|
||||
|
||||
return wsrequest
|
||||
}
|
||||
|
||||
type websocketRequest struct {
|
||||
ServerAddr string
|
||||
Path string
|
||||
Data string
|
||||
Origin string
|
||||
Config *websocket.Config
|
||||
}
|
||||
|
||||
func (w *websocketRequest) send() (string, error) {
|
||||
conn, _, err := w.open()
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
defer conn.Close()
|
||||
|
||||
if _, err := conn.Write([]byte(w.Data)); err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
msg := make([]byte, 512)
|
||||
|
||||
var n int
|
||||
n, err = conn.Read(msg)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
received := string(msg[:n])
|
||||
return received, nil
|
||||
}
|
||||
|
||||
func (w *websocketRequest) open() (*websocket.Conn, net.Conn, error) {
|
||||
client, err := net.DialTimeout("tcp", w.ServerAddr, dialTimeout)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
conn, err := websocket.NewClient(w.Config, client)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return conn, client, err
|
||||
}
|
||||
|
||||
func parseURI(t *testing.T, uri string) *url.URL {
|
||||
t.Helper()
|
||||
|
||||
out, err := url.ParseRequestURI(uri)
|
||||
require.NoError(t, err)
|
||||
|
||||
return out
|
||||
}
|
||||
|
||||
func createConnectionPool(target string, tlsConfig *tls.Config) *connPool {
|
||||
u := testhelpers.MustParseURL(target)
|
||||
return newConnPool(200, 0, func() (net.Conn, error) {
|
||||
if tlsConfig != nil {
|
||||
return tls.Dial("tcp", u.Host, tlsConfig)
|
||||
}
|
||||
|
||||
return net.Dial("tcp", u.Host)
|
||||
})
|
||||
}
|
||||
|
||||
func createProxyWithForwarder(t *testing.T, uri string, pool *connPool) *httptest.Server {
|
||||
t.Helper()
|
||||
|
||||
u := parseURI(t, uri)
|
||||
proxy, err := NewReverseProxy(u, nil, false, true, 0, pool)
|
||||
require.NoError(t, err)
|
||||
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
path := req.URL.Path // keep the original path
|
||||
// Set new backend URL
|
||||
req.URL = u
|
||||
req.URL.Path = path
|
||||
|
||||
proxy.ServeHTTP(w, req)
|
||||
}))
|
||||
t.Cleanup(srv.Close)
|
||||
|
||||
return srv
|
||||
}
|
||||
104
pkg/proxy/fast/upgrade.go
Normal file
104
pkg/proxy/fast/upgrade.go
Normal file
|
|
@ -0,0 +1,104 @@
|
|||
package fast
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"io"
|
||||
"net"
|
||||
"net/http"
|
||||
"strings"
|
||||
|
||||
"github.com/traefik/traefik/v3/pkg/proxy/httputil"
|
||||
"github.com/valyala/fasthttp"
|
||||
"golang.org/x/net/http/httpguts"
|
||||
)
|
||||
|
||||
// switchProtocolCopier exists so goroutines proxying data back and
|
||||
// forth have nice names in stacks.
|
||||
type switchProtocolCopier struct {
|
||||
user, backend io.ReadWriter
|
||||
}
|
||||
|
||||
func (c switchProtocolCopier) copyFromBackend(errc chan<- error) {
|
||||
_, err := io.Copy(c.user, c.backend)
|
||||
errc <- err
|
||||
}
|
||||
|
||||
func (c switchProtocolCopier) copyToBackend(errc chan<- error) {
|
||||
_, err := io.Copy(c.backend, c.user)
|
||||
errc <- err
|
||||
}
|
||||
|
||||
func handleUpgradeResponse(rw http.ResponseWriter, req *http.Request, reqUpType string, res *fasthttp.Response, backConn net.Conn) {
|
||||
defer backConn.Close()
|
||||
|
||||
resUpType := upgradeTypeFastHTTP(&res.Header)
|
||||
|
||||
if !strings.EqualFold(reqUpType, resUpType) {
|
||||
httputil.ErrorHandler(rw, req, fmt.Errorf("backend tried to switch protocol %q when %q was requested", resUpType, reqUpType))
|
||||
return
|
||||
}
|
||||
|
||||
hj, ok := rw.(http.Hijacker)
|
||||
if !ok {
|
||||
httputil.ErrorHandler(rw, req, fmt.Errorf("can't switch protocols using non-Hijacker ResponseWriter type %T", rw))
|
||||
return
|
||||
}
|
||||
backConnCloseCh := make(chan bool)
|
||||
go func() {
|
||||
// Ensure that the cancellation of a request closes the backend.
|
||||
// See issue https://golang.org/issue/35559.
|
||||
select {
|
||||
case <-req.Context().Done():
|
||||
case <-backConnCloseCh:
|
||||
}
|
||||
_ = backConn.Close()
|
||||
}()
|
||||
|
||||
defer close(backConnCloseCh)
|
||||
|
||||
conn, brw, err := hj.Hijack()
|
||||
if err != nil {
|
||||
httputil.ErrorHandler(rw, req, fmt.Errorf("hijack failed on protocol switch: %w", err))
|
||||
return
|
||||
}
|
||||
defer conn.Close()
|
||||
|
||||
for k, values := range rw.Header() {
|
||||
for _, v := range values {
|
||||
res.Header.Add(k, v)
|
||||
}
|
||||
}
|
||||
|
||||
if err := res.Header.Write(brw.Writer); err != nil {
|
||||
httputil.ErrorHandler(rw, req, fmt.Errorf("response write: %w", err))
|
||||
return
|
||||
}
|
||||
|
||||
if err := brw.Flush(); err != nil {
|
||||
httputil.ErrorHandler(rw, req, fmt.Errorf("response flush: %w", err))
|
||||
return
|
||||
}
|
||||
|
||||
errc := make(chan error, 1)
|
||||
spc := switchProtocolCopier{user: conn, backend: backConn}
|
||||
go spc.copyToBackend(errc)
|
||||
go spc.copyFromBackend(errc)
|
||||
<-errc
|
||||
}
|
||||
|
||||
func upgradeType(h http.Header) string {
|
||||
if !httpguts.HeaderValuesContainsToken(h["Connection"], "Upgrade") {
|
||||
return ""
|
||||
}
|
||||
|
||||
return h.Get("Upgrade")
|
||||
}
|
||||
|
||||
func upgradeTypeFastHTTP(h fasthttpHeader) string {
|
||||
if !bytes.Contains(h.Peek("Connection"), []byte("Upgrade")) {
|
||||
return ""
|
||||
}
|
||||
|
||||
return string(h.Peek("Upgrade"))
|
||||
}
|
||||
|
|
@ -1,23 +1,25 @@
|
|||
package service
|
||||
package httputil
|
||||
|
||||
import "sync"
|
||||
|
||||
const bufferPoolSize = 32 * 1024
|
||||
|
||||
func newBufferPool() *bufferPool {
|
||||
return &bufferPool{
|
||||
pool: sync.Pool{
|
||||
New: func() interface{} {
|
||||
return make([]byte, bufferPoolSize)
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
const bufferSize = 32 * 1024
|
||||
|
||||
type bufferPool struct {
|
||||
pool sync.Pool
|
||||
}
|
||||
|
||||
func newBufferPool() *bufferPool {
|
||||
b := &bufferPool{
|
||||
pool: sync.Pool{},
|
||||
}
|
||||
|
||||
b.pool.New = func() interface{} {
|
||||
return make([]byte, bufferSize)
|
||||
}
|
||||
|
||||
return b
|
||||
}
|
||||
|
||||
func (b *bufferPool) Get() []byte {
|
||||
return b.pool.Get().([]byte)
|
||||
}
|
||||
54
pkg/proxy/httputil/builder.go
Normal file
54
pkg/proxy/httputil/builder.go
Normal file
|
|
@ -0,0 +1,54 @@
|
|||
package httputil
|
||||
|
||||
import (
|
||||
"crypto/tls"
|
||||
"fmt"
|
||||
"net/http"
|
||||
"net/url"
|
||||
"time"
|
||||
|
||||
"github.com/traefik/traefik/v3/pkg/config/dynamic"
|
||||
"github.com/traefik/traefik/v3/pkg/metrics"
|
||||
)
|
||||
|
||||
// TransportManager manages transport used for backend communications.
|
||||
type TransportManager interface {
|
||||
Get(name string) (*dynamic.ServersTransport, error)
|
||||
GetRoundTripper(name string) (http.RoundTripper, error)
|
||||
GetTLSConfig(name string) (*tls.Config, error)
|
||||
}
|
||||
|
||||
// ProxyBuilder handles the http.RoundTripper for httputil reverse proxies.
|
||||
type ProxyBuilder struct {
|
||||
bufferPool *bufferPool
|
||||
transportManager TransportManager
|
||||
semConvMetricsRegistry *metrics.SemConvMetricsRegistry
|
||||
}
|
||||
|
||||
// NewProxyBuilder creates a new ProxyBuilder.
|
||||
func NewProxyBuilder(transportManager TransportManager, semConvMetricsRegistry *metrics.SemConvMetricsRegistry) *ProxyBuilder {
|
||||
return &ProxyBuilder{
|
||||
bufferPool: newBufferPool(),
|
||||
transportManager: transportManager,
|
||||
semConvMetricsRegistry: semConvMetricsRegistry,
|
||||
}
|
||||
}
|
||||
|
||||
// Update does nothing.
|
||||
func (r *ProxyBuilder) Update(_ map[string]*dynamic.ServersTransport) {}
|
||||
|
||||
// Build builds a new httputil.ReverseProxy with the given configuration.
|
||||
func (r *ProxyBuilder) Build(cfgName string, targetURL *url.URL, shouldObserve, passHostHeader bool, flushInterval time.Duration) (http.Handler, error) {
|
||||
roundTripper, err := r.transportManager.GetRoundTripper(cfgName)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("getting RoundTripper: %w", err)
|
||||
}
|
||||
|
||||
if shouldObserve {
|
||||
// Wrapping the roundTripper with the Tracing roundTripper,
|
||||
// to handle the reverseProxy client span creation.
|
||||
roundTripper = newObservabilityRoundTripper(r.semConvMetricsRegistry, roundTripper)
|
||||
}
|
||||
|
||||
return buildSingleHostProxy(targetURL, passHostHeader, flushInterval, roundTripper, r.bufferPool), nil
|
||||
}
|
||||
56
pkg/proxy/httputil/builder_test.go
Normal file
56
pkg/proxy/httputil/builder_test.go
Normal file
|
|
@ -0,0 +1,56 @@
|
|||
package httputil
|
||||
|
||||
import (
|
||||
"crypto/tls"
|
||||
"errors"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"testing"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
"github.com/traefik/traefik/v3/pkg/config/dynamic"
|
||||
"github.com/traefik/traefik/v3/pkg/testhelpers"
|
||||
)
|
||||
|
||||
func TestEscapedPath(t *testing.T) {
|
||||
var gotEscapedPath string
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
|
||||
gotEscapedPath = req.URL.EscapedPath()
|
||||
}))
|
||||
|
||||
transportManager := &transportManagerMock{
|
||||
roundTrippers: map[string]http.RoundTripper{"default": &http.Transport{}},
|
||||
}
|
||||
|
||||
p, err := NewProxyBuilder(transportManager, nil).Build("default", testhelpers.MustParseURL(srv.URL), false, true, 0)
|
||||
require.NoError(t, err)
|
||||
|
||||
proxy := httptest.NewServer(http.HandlerFunc(p.ServeHTTP))
|
||||
|
||||
_, err = http.Get(proxy.URL + "/%3A%2F%2F")
|
||||
require.NoError(t, err)
|
||||
|
||||
assert.Equal(t, "/%3A%2F%2F", gotEscapedPath)
|
||||
}
|
||||
|
||||
type transportManagerMock struct {
|
||||
roundTrippers map[string]http.RoundTripper
|
||||
}
|
||||
|
||||
func (t *transportManagerMock) GetRoundTripper(name string) (http.RoundTripper, error) {
|
||||
roundTripper, ok := t.roundTrippers[name]
|
||||
if !ok {
|
||||
return nil, errors.New("no transport for " + name)
|
||||
}
|
||||
|
||||
return roundTripper, nil
|
||||
}
|
||||
|
||||
func (t *transportManagerMock) GetTLSConfig(_ string) (*tls.Config, error) {
|
||||
panic("implement me")
|
||||
}
|
||||
|
||||
func (t *transportManagerMock) Get(_ string) (*dynamic.ServersTransport, error) {
|
||||
panic("implement me")
|
||||
}
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package service
|
||||
package httputil
|
||||
|
||||
import (
|
||||
"context"
|
||||
|
|
@ -23,6 +23,13 @@ type wrapper struct {
|
|||
rt http.RoundTripper
|
||||
}
|
||||
|
||||
func newObservabilityRoundTripper(semConvMetricRegistry *metrics.SemConvMetricsRegistry, rt http.RoundTripper) http.RoundTripper {
|
||||
return &wrapper{
|
||||
semConvMetricRegistry: semConvMetricRegistry,
|
||||
rt: rt,
|
||||
}
|
||||
}
|
||||
|
||||
func (t *wrapper) RoundTrip(req *http.Request) (*http.Response, error) {
|
||||
start := time.Now()
|
||||
var span trace.Span
|
||||
|
|
@ -42,7 +49,7 @@ func (t *wrapper) RoundTrip(req *http.Request) (*http.Response, error) {
|
|||
var headers http.Header
|
||||
response, err := t.rt.RoundTrip(req)
|
||||
if err != nil {
|
||||
statusCode = computeStatusCode(err)
|
||||
statusCode = ComputeStatusCode(err)
|
||||
}
|
||||
if response != nil {
|
||||
statusCode = response.StatusCode
|
||||
|
|
@ -96,10 +103,3 @@ func (t *wrapper) RoundTrip(req *http.Request) (*http.Response, error) {
|
|||
|
||||
return response, err
|
||||
}
|
||||
|
||||
func newObservabilityRoundTripper(semConvMetricRegistry *metrics.SemConvMetricsRegistry, rt http.RoundTripper) http.RoundTripper {
|
||||
return &wrapper{
|
||||
semConvMetricRegistry: semConvMetricRegistry,
|
||||
rt: rt,
|
||||
}
|
||||
}
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package service
|
||||
package httputil
|
||||
|
||||
import (
|
||||
"context"
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package service
|
||||
package httputil
|
||||
|
||||
import (
|
||||
"context"
|
||||
|
|
@ -27,7 +27,7 @@ func buildSingleHostProxy(target *url.URL, passHostHeader bool, flushInterval ti
|
|||
Transport: roundTripper,
|
||||
FlushInterval: flushInterval,
|
||||
BufferPool: bufferPool,
|
||||
ErrorHandler: errorHandler,
|
||||
ErrorHandler: ErrorHandler,
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -93,8 +93,9 @@ func isWebSocketUpgrade(req *http.Request) bool {
|
|||
strings.EqualFold(req.Header.Get("Upgrade"), "websocket")
|
||||
}
|
||||
|
||||
func errorHandler(w http.ResponseWriter, req *http.Request, err error) {
|
||||
statusCode := computeStatusCode(err)
|
||||
// ErrorHandler is the http.Handler called when something goes wrong when forwarding the request.
|
||||
func ErrorHandler(w http.ResponseWriter, req *http.Request, err error) {
|
||||
statusCode := ComputeStatusCode(err)
|
||||
|
||||
logger := log.Ctx(req.Context())
|
||||
logger.Debug().Err(err).Msgf("%d %s", statusCode, statusText(statusCode))
|
||||
|
|
@ -105,7 +106,8 @@ func errorHandler(w http.ResponseWriter, req *http.Request, err error) {
|
|||
}
|
||||
}
|
||||
|
||||
func computeStatusCode(err error) int {
|
||||
// ComputeStatusCode computes the HTTP status code according to the given error.
|
||||
func ComputeStatusCode(err error) int {
|
||||
switch {
|
||||
case errors.Is(err, io.EOF):
|
||||
return http.StatusBadGateway
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
package service
|
||||
package httputil
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
|
|
@ -8,13 +8,13 @@ import (
|
|||
"net"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"net/url"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
gorillawebsocket "github.com/gorilla/websocket"
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
"github.com/traefik/traefik/v3/pkg/testhelpers"
|
||||
"golang.org/x/net/websocket"
|
||||
)
|
||||
|
||||
|
|
@ -27,6 +27,7 @@ func TestWebSocketTCPClose(t *testing.T) {
|
|||
return
|
||||
}
|
||||
defer c.Close()
|
||||
|
||||
for {
|
||||
_, _, err := c.ReadMessage()
|
||||
if err != nil {
|
||||
|
|
@ -71,6 +72,7 @@ func TestWebSocketPingPong(t *testing.T) {
|
|||
ws.SetPingHandler(func(appData string) error {
|
||||
err = ws.WriteMessage(gorillawebsocket.PongMessage, []byte(appData+"Pong"))
|
||||
require.NoError(t, err)
|
||||
|
||||
return nil
|
||||
})
|
||||
|
||||
|
|
@ -97,6 +99,7 @@ func TestWebSocketPingPong(t *testing.T) {
|
|||
if data == "PingPong" {
|
||||
return goodErr
|
||||
}
|
||||
|
||||
return badErr
|
||||
})
|
||||
|
||||
|
|
@ -104,7 +107,6 @@ func TestWebSocketPingPong(t *testing.T) {
|
|||
require.NoError(t, err)
|
||||
|
||||
_, _, err = conn.ReadMessage()
|
||||
|
||||
if !errors.Is(err, goodErr) {
|
||||
require.NoError(t, err)
|
||||
}
|
||||
|
|
@ -114,12 +116,10 @@ func TestWebSocketEcho(t *testing.T) {
|
|||
mux := http.NewServeMux()
|
||||
mux.Handle("/ws", websocket.Handler(func(conn *websocket.Conn) {
|
||||
msg := make([]byte, 4)
|
||||
_, err := conn.Read(msg)
|
||||
n, err := conn.Read(msg)
|
||||
require.NoError(t, err)
|
||||
|
||||
fmt.Println(string(msg))
|
||||
|
||||
_, err = conn.Write(msg)
|
||||
_, err = conn.Write(msg[:n])
|
||||
require.NoError(t, err)
|
||||
|
||||
err = conn.Close()
|
||||
|
|
@ -142,7 +142,10 @@ func TestWebSocketEcho(t *testing.T) {
|
|||
err = conn.WriteMessage(gorillawebsocket.TextMessage, []byte("OK"))
|
||||
require.NoError(t, err)
|
||||
|
||||
fmt.Println(conn.ReadMessage())
|
||||
_, msg, err := conn.ReadMessage()
|
||||
require.NoError(t, err)
|
||||
|
||||
assert.Equal(t, "OK", string(msg))
|
||||
|
||||
err = conn.Close()
|
||||
require.NoError(t, err)
|
||||
|
|
@ -178,11 +181,10 @@ func TestWebSocketPassHost(t *testing.T) {
|
|||
}
|
||||
|
||||
msg := make([]byte, 4)
|
||||
_, err := conn.Read(msg)
|
||||
n, err := conn.Read(msg)
|
||||
require.NoError(t, err)
|
||||
|
||||
fmt.Println(string(msg))
|
||||
_, err = conn.Write(msg)
|
||||
_, err = conn.Write(msg[:n])
|
||||
require.NoError(t, err)
|
||||
|
||||
err = conn.Close()
|
||||
|
|
@ -207,7 +209,10 @@ func TestWebSocketPassHost(t *testing.T) {
|
|||
err = conn.WriteMessage(gorillawebsocket.TextMessage, []byte("OK"))
|
||||
require.NoError(t, err)
|
||||
|
||||
fmt.Println(conn.ReadMessage())
|
||||
_, msg, err := conn.ReadMessage()
|
||||
require.NoError(t, err)
|
||||
|
||||
assert.Equal(t, "OK", string(msg))
|
||||
|
||||
err = conn.Close()
|
||||
require.NoError(t, err)
|
||||
|
|
@ -216,27 +221,8 @@ func TestWebSocketPassHost(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestWebSocketServerWithoutCheckOrigin(t *testing.T) {
|
||||
upgrader := gorillawebsocket.Upgrader{CheckOrigin: func(r *http.Request) bool {
|
||||
return true
|
||||
}}
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
c, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer c.Close()
|
||||
for {
|
||||
mt, message, err := c.ReadMessage()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
err = c.WriteMessage(mt, message)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
defer srv.Close()
|
||||
upgrader := gorillawebsocket.Upgrader{CheckOrigin: func(*http.Request) bool { return true }}
|
||||
srv := createServer(t, upgrader, func(*http.Request) {})
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, http.DefaultTransport)
|
||||
defer proxy.Close()
|
||||
|
|
@ -254,25 +240,7 @@ func TestWebSocketServerWithoutCheckOrigin(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestWebSocketRequestWithOrigin(t *testing.T) {
|
||||
upgrader := gorillawebsocket.Upgrader{}
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
c, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer c.Close()
|
||||
for {
|
||||
mt, message, err := c.ReadMessage()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
err = c.WriteMessage(mt, message)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
defer srv.Close()
|
||||
srv := createServer(t, gorillawebsocket.Upgrader{}, func(*http.Request) {})
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, http.DefaultTransport)
|
||||
defer proxy.Close()
|
||||
|
|
@ -297,26 +265,9 @@ func TestWebSocketRequestWithOrigin(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestWebSocketRequestWithQueryParams(t *testing.T) {
|
||||
upgrader := gorillawebsocket.Upgrader{}
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
conn, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer conn.Close()
|
||||
srv := createServer(t, gorillawebsocket.Upgrader{}, func(r *http.Request) {
|
||||
assert.Equal(t, "test", r.URL.Query().Get("query"))
|
||||
for {
|
||||
mt, message, err := conn.ReadMessage()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
err = conn.WriteMessage(mt, message)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
defer srv.Close()
|
||||
})
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, http.DefaultTransport)
|
||||
defer proxy.Close()
|
||||
|
|
@ -341,11 +292,19 @@ func TestWebSocketRequestWithHeadersInResponseWriter(t *testing.T) {
|
|||
srv := httptest.NewServer(mux)
|
||||
defer srv.Close()
|
||||
|
||||
f := buildSingleHostProxy(parseURI(t, srv.URL), true, 0, http.DefaultTransport, nil)
|
||||
transportManager := &transportManagerMock{
|
||||
roundTrippers: map[string]http.RoundTripper{
|
||||
"default@internal": &http.Transport{},
|
||||
},
|
||||
}
|
||||
|
||||
p, err := NewProxyBuilder(transportManager, nil).Build("default@internal", testhelpers.MustParseURL(srv.URL), false, true, 0)
|
||||
require.NoError(t, err)
|
||||
|
||||
proxy := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
req.URL = parseURI(t, srv.URL)
|
||||
req.URL = testhelpers.MustParseURL(srv.URL)
|
||||
w.Header().Set("HEADER-KEY", "HEADER-VALUE")
|
||||
f.ServeHTTP(w, req)
|
||||
p.ServeHTTP(w, req)
|
||||
}))
|
||||
defer proxy.Close()
|
||||
|
||||
|
|
@ -363,26 +322,9 @@ func TestWebSocketRequestWithHeadersInResponseWriter(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestWebSocketRequestWithEncodedChar(t *testing.T) {
|
||||
upgrader := gorillawebsocket.Upgrader{}
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
conn, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
defer conn.Close()
|
||||
srv := createServer(t, gorillawebsocket.Upgrader{}, func(r *http.Request) {
|
||||
assert.Equal(t, "/%3A%2F%2F", r.URL.EscapedPath())
|
||||
for {
|
||||
mt, message, err := conn.ReadMessage()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
err = conn.WriteMessage(mt, message)
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
defer srv.Close()
|
||||
})
|
||||
|
||||
proxy := createProxyWithForwarder(t, srv.URL, http.DefaultTransport)
|
||||
defer proxy.Close()
|
||||
|
|
@ -407,15 +349,23 @@ func TestWebSocketUpgradeFailed(t *testing.T) {
|
|||
srv := httptest.NewServer(mux)
|
||||
defer srv.Close()
|
||||
|
||||
f := buildSingleHostProxy(parseURI(t, srv.URL), true, 0, http.DefaultTransport, nil)
|
||||
transportManager := &transportManagerMock{
|
||||
roundTrippers: map[string]http.RoundTripper{
|
||||
"default@internal": &http.Transport{},
|
||||
},
|
||||
}
|
||||
|
||||
p, err := NewProxyBuilder(transportManager, nil).Build("default@internal", testhelpers.MustParseURL(srv.URL), false, true, 0)
|
||||
require.NoError(t, err)
|
||||
|
||||
proxy := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
path := req.URL.Path // keep the original path
|
||||
|
||||
if path == "/ws" {
|
||||
// Set new backend URL
|
||||
req.URL = parseURI(t, srv.URL)
|
||||
req.URL = testhelpers.MustParseURL(srv.URL)
|
||||
req.URL.Path = path
|
||||
f.ServeHTTP(w, req)
|
||||
p.ServeHTTP(w, req)
|
||||
} else {
|
||||
w.WriteHeader(http.StatusOK)
|
||||
}
|
||||
|
|
@ -629,27 +579,60 @@ func (w *websocketRequest) open() (*websocket.Conn, net.Conn, error) {
|
|||
return conn, client, err
|
||||
}
|
||||
|
||||
func parseURI(t *testing.T, uri string) *url.URL {
|
||||
t.Helper()
|
||||
|
||||
out, err := url.ParseRequestURI(uri)
|
||||
require.NoError(t, err)
|
||||
return out
|
||||
}
|
||||
|
||||
func createProxyWithForwarder(t *testing.T, uri string, transport http.RoundTripper) *httptest.Server {
|
||||
t.Helper()
|
||||
|
||||
u := parseURI(t, uri)
|
||||
proxy := buildSingleHostProxy(u, true, 0, transport, nil)
|
||||
u := testhelpers.MustParseURL(uri)
|
||||
|
||||
transportManager := &transportManagerMock{
|
||||
roundTrippers: map[string]http.RoundTripper{"fwd": transport},
|
||||
}
|
||||
|
||||
p, err := NewProxyBuilder(transportManager, nil).Build("fwd", u, false, true, 0)
|
||||
require.NoError(t, err)
|
||||
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
path := req.URL.Path // keep the original path
|
||||
// keep the original path
|
||||
path := req.URL.Path
|
||||
|
||||
// Set new backend URL
|
||||
req.URL = u
|
||||
req.URL.Path = path
|
||||
|
||||
proxy.ServeHTTP(w, req)
|
||||
p.ServeHTTP(w, req)
|
||||
}))
|
||||
t.Cleanup(srv.Close)
|
||||
|
||||
return srv
|
||||
}
|
||||
|
||||
func createServer(t *testing.T, upgrader gorillawebsocket.Upgrader, check func(*http.Request)) *httptest.Server {
|
||||
t.Helper()
|
||||
|
||||
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
conn, err := upgrader.Upgrade(w, r, nil)
|
||||
if err != nil {
|
||||
t.Logf("Error during upgrade: %v", err)
|
||||
return
|
||||
}
|
||||
defer conn.Close()
|
||||
|
||||
check(r)
|
||||
for {
|
||||
mt, message, err := conn.ReadMessage()
|
||||
if err != nil {
|
||||
t.Logf("Error during read: %v", err)
|
||||
break
|
||||
}
|
||||
|
||||
err = conn.WriteMessage(mt, message)
|
||||
if err != nil {
|
||||
t.Logf("Error during write: %v", err)
|
||||
break
|
||||
}
|
||||
}
|
||||
}))
|
||||
t.Cleanup(srv.Close)
|
||||
|
||||
return srv
|
||||
}
|
||||
61
pkg/proxy/smart_builder.go
Normal file
61
pkg/proxy/smart_builder.go
Normal file
|
|
@ -0,0 +1,61 @@
|
|||
package proxy
|
||||
|
||||
import (
|
||||
"crypto/tls"
|
||||
"fmt"
|
||||
"net/http"
|
||||
"net/url"
|
||||
"time"
|
||||
|
||||
"github.com/traefik/traefik/v3/pkg/config/dynamic"
|
||||
"github.com/traefik/traefik/v3/pkg/config/static"
|
||||
"github.com/traefik/traefik/v3/pkg/proxy/fast"
|
||||
"github.com/traefik/traefik/v3/pkg/proxy/httputil"
|
||||
"github.com/traefik/traefik/v3/pkg/server/service"
|
||||
)
|
||||
|
||||
// TransportManager manages transport used for backend communications.
|
||||
type TransportManager interface {
|
||||
Get(name string) (*dynamic.ServersTransport, error)
|
||||
GetRoundTripper(name string) (http.RoundTripper, error)
|
||||
GetTLSConfig(name string) (*tls.Config, error)
|
||||
}
|
||||
|
||||
// SmartBuilder is a proxy builder which returns a fast proxy or httputil proxy corresponding
|
||||
// to the ServersTransport configuration.
|
||||
type SmartBuilder struct {
|
||||
fastProxyBuilder *fast.ProxyBuilder
|
||||
proxyBuilder service.ProxyBuilder
|
||||
|
||||
transportManager httputil.TransportManager
|
||||
}
|
||||
|
||||
// NewSmartBuilder creates and returns a new SmartBuilder instance.
|
||||
func NewSmartBuilder(transportManager TransportManager, proxyBuilder service.ProxyBuilder, fastProxyConfig static.FastProxyConfig) *SmartBuilder {
|
||||
return &SmartBuilder{
|
||||
fastProxyBuilder: fast.NewProxyBuilder(transportManager, fastProxyConfig),
|
||||
proxyBuilder: proxyBuilder,
|
||||
transportManager: transportManager,
|
||||
}
|
||||
}
|
||||
|
||||
// Update is the handler called when the dynamic configuration is updated.
|
||||
func (b *SmartBuilder) Update(newConfigs map[string]*dynamic.ServersTransport) {
|
||||
b.fastProxyBuilder.Update(newConfigs)
|
||||
}
|
||||
|
||||
// Build builds an HTTP proxy for the given URL using the ServersTransport with the given name.
|
||||
func (b *SmartBuilder) Build(configName string, targetURL *url.URL, shouldObserve, passHostHeader bool, flushInterval time.Duration) (http.Handler, error) {
|
||||
serversTransport, err := b.transportManager.Get(configName)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("getting ServersTransport: %w", err)
|
||||
}
|
||||
|
||||
// The fast proxy implementation cannot handle HTTP/2 requests for now.
|
||||
// For the https scheme we cannot guess if the backend communication will use HTTP2,
|
||||
// thus we check if HTTP/2 is disabled to use the fast proxy implementation when this is possible.
|
||||
if targetURL.Scheme == "h2c" || (targetURL.Scheme == "https" && !serversTransport.DisableHTTP2) {
|
||||
return b.proxyBuilder.Build(configName, targetURL, shouldObserve, passHostHeader, flushInterval)
|
||||
}
|
||||
return b.fastProxyBuilder.Build(configName, targetURL, passHostHeader)
|
||||
}
|
||||
113
pkg/proxy/smart_builder_test.go
Normal file
113
pkg/proxy/smart_builder_test.go
Normal file
|
|
@ -0,0 +1,113 @@
|
|||
package proxy
|
||||
|
||||
import (
|
||||
"encoding/pem"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/stretchr/testify/require"
|
||||
"github.com/traefik/traefik/v3/pkg/config/dynamic"
|
||||
"github.com/traefik/traefik/v3/pkg/config/static"
|
||||
"github.com/traefik/traefik/v3/pkg/proxy/httputil"
|
||||
"github.com/traefik/traefik/v3/pkg/server/service"
|
||||
"github.com/traefik/traefik/v3/pkg/testhelpers"
|
||||
"github.com/traefik/traefik/v3/pkg/types"
|
||||
"golang.org/x/net/http2"
|
||||
"golang.org/x/net/http2/h2c"
|
||||
)
|
||||
|
||||
func TestSmartBuilder_Build(t *testing.T) {
|
||||
tests := []struct {
|
||||
desc string
|
||||
serversTransport dynamic.ServersTransport
|
||||
fastProxyConfig static.FastProxyConfig
|
||||
https bool
|
||||
h2c bool
|
||||
wantFastProxy bool
|
||||
}{
|
||||
{
|
||||
desc: "fastproxy",
|
||||
fastProxyConfig: static.FastProxyConfig{Debug: true},
|
||||
wantFastProxy: true,
|
||||
},
|
||||
{
|
||||
desc: "fastproxy with https and without DisableHTTP2",
|
||||
https: true,
|
||||
fastProxyConfig: static.FastProxyConfig{Debug: true},
|
||||
wantFastProxy: false,
|
||||
},
|
||||
{
|
||||
desc: "fastproxy with https and DisableHTTP2",
|
||||
https: true,
|
||||
serversTransport: dynamic.ServersTransport{DisableHTTP2: true},
|
||||
fastProxyConfig: static.FastProxyConfig{Debug: true},
|
||||
wantFastProxy: true,
|
||||
},
|
||||
{
|
||||
desc: "fastproxy with h2c",
|
||||
h2c: true,
|
||||
fastProxyConfig: static.FastProxyConfig{Debug: true},
|
||||
wantFastProxy: false,
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
t.Parallel()
|
||||
|
||||
var callCount int
|
||||
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
callCount++
|
||||
if test.wantFastProxy {
|
||||
assert.Contains(t, r.Header, "X-Traefik-Fast-Proxy")
|
||||
} else {
|
||||
assert.NotContains(t, r.Header, "X-Traefik-Fast-Proxy")
|
||||
}
|
||||
})
|
||||
|
||||
var server *httptest.Server
|
||||
|
||||
if test.https {
|
||||
server = httptest.NewUnstartedServer(handler)
|
||||
server.EnableHTTP2 = false
|
||||
server.StartTLS()
|
||||
|
||||
certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: server.TLS.Certificates[0].Certificate[0]})
|
||||
test.serversTransport.RootCAs = []types.FileOrContent{
|
||||
types.FileOrContent(certPEM),
|
||||
}
|
||||
} else {
|
||||
server = httptest.NewServer(h2c.NewHandler(handler, &http2.Server{}))
|
||||
}
|
||||
t.Cleanup(func() {
|
||||
server.Close()
|
||||
})
|
||||
|
||||
targetURL := testhelpers.MustParseURL(server.URL)
|
||||
if test.h2c {
|
||||
targetURL.Scheme = "h2c"
|
||||
}
|
||||
|
||||
serversTransports := map[string]*dynamic.ServersTransport{
|
||||
"test": &test.serversTransport,
|
||||
}
|
||||
|
||||
transportManager := service.NewTransportManager(nil)
|
||||
transportManager.Update(serversTransports)
|
||||
|
||||
httpProxyBuilder := httputil.NewProxyBuilder(transportManager, nil)
|
||||
proxyBuilder := NewSmartBuilder(transportManager, httpProxyBuilder, test.fastProxyConfig)
|
||||
|
||||
proxyHandler, err := proxyBuilder.Build("test", targetURL, false, false, time.Second)
|
||||
require.NoError(t, err)
|
||||
|
||||
rw := httptest.NewRecorder()
|
||||
proxyHandler.ServeHTTP(rw, httptest.NewRequest(http.MethodGet, "/", http.NoBody))
|
||||
|
||||
assert.Equal(t, 1, callCount)
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
@ -2,10 +2,12 @@ package router
|
|||
|
||||
import (
|
||||
"context"
|
||||
"crypto/tls"
|
||||
"io"
|
||||
"math"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"net/url"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
|
@ -18,7 +20,7 @@ import (
|
|||
"github.com/traefik/traefik/v3/pkg/server/middleware"
|
||||
"github.com/traefik/traefik/v3/pkg/server/service"
|
||||
"github.com/traefik/traefik/v3/pkg/testhelpers"
|
||||
"github.com/traefik/traefik/v3/pkg/tls"
|
||||
traefiktls "github.com/traefik/traefik/v3/pkg/tls"
|
||||
)
|
||||
|
||||
func TestRouterManager_Get(t *testing.T) {
|
||||
|
|
@ -309,11 +311,12 @@ func TestRouterManager_Get(t *testing.T) {
|
|||
},
|
||||
})
|
||||
|
||||
roundTripperManager := service.NewRoundTripperManager(nil)
|
||||
roundTripperManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
serviceManager := service.NewManager(rtConf.Services, nil, nil, roundTripperManager)
|
||||
transportManager := service.NewTransportManager(nil)
|
||||
transportManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
|
||||
serviceManager := service.NewManager(rtConf.Services, nil, nil, transportManager, proxyBuilderMock{})
|
||||
middlewaresBuilder := middleware.NewBuilder(rtConf.Middlewares, serviceManager, nil)
|
||||
tlsManager := tls.NewManager()
|
||||
tlsManager := traefiktls.NewManager()
|
||||
|
||||
routerManager := NewManager(rtConf, serviceManager, middlewaresBuilder, nil, tlsManager)
|
||||
|
||||
|
|
@ -340,7 +343,7 @@ func TestRuntimeConfiguration(t *testing.T) {
|
|||
serviceConfig map[string]*dynamic.Service
|
||||
routerConfig map[string]*dynamic.Router
|
||||
middlewareConfig map[string]*dynamic.Middleware
|
||||
tlsOptions map[string]tls.Options
|
||||
tlsOptions map[string]traefiktls.Options
|
||||
expectedError int
|
||||
}{
|
||||
{
|
||||
|
|
@ -597,7 +600,7 @@ func TestRuntimeConfiguration(t *testing.T) {
|
|||
TLS: &dynamic.RouterTLSConfig{},
|
||||
},
|
||||
},
|
||||
tlsOptions: map[string]tls.Options{},
|
||||
tlsOptions: map[string]traefiktls.Options{},
|
||||
expectedError: 1,
|
||||
},
|
||||
{
|
||||
|
|
@ -624,9 +627,9 @@ func TestRuntimeConfiguration(t *testing.T) {
|
|||
},
|
||||
},
|
||||
},
|
||||
tlsOptions: map[string]tls.Options{
|
||||
tlsOptions: map[string]traefiktls.Options{
|
||||
"broken-tlsOption": {
|
||||
ClientAuth: tls.ClientAuth{
|
||||
ClientAuth: traefiktls.ClientAuth{
|
||||
ClientAuthType: "foobar",
|
||||
},
|
||||
},
|
||||
|
|
@ -655,9 +658,9 @@ func TestRuntimeConfiguration(t *testing.T) {
|
|||
TLS: &dynamic.RouterTLSConfig{},
|
||||
},
|
||||
},
|
||||
tlsOptions: map[string]tls.Options{
|
||||
tlsOptions: map[string]traefiktls.Options{
|
||||
"default": {
|
||||
ClientAuth: tls.ClientAuth{
|
||||
ClientAuth: traefiktls.ClientAuth{
|
||||
ClientAuthType: "foobar",
|
||||
},
|
||||
},
|
||||
|
|
@ -682,11 +685,12 @@ func TestRuntimeConfiguration(t *testing.T) {
|
|||
},
|
||||
})
|
||||
|
||||
roundTripperManager := service.NewRoundTripperManager(nil)
|
||||
roundTripperManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
serviceManager := service.NewManager(rtConf.Services, nil, nil, roundTripperManager)
|
||||
transportManager := service.NewTransportManager(nil)
|
||||
transportManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
|
||||
serviceManager := service.NewManager(rtConf.Services, nil, nil, transportManager, proxyBuilderMock{})
|
||||
middlewaresBuilder := middleware.NewBuilder(rtConf.Middlewares, serviceManager, nil)
|
||||
tlsManager := tls.NewManager()
|
||||
tlsManager := traefiktls.NewManager()
|
||||
tlsManager.UpdateConfigs(context.Background(), nil, test.tlsOptions, nil)
|
||||
|
||||
routerManager := NewManager(rtConf, serviceManager, middlewaresBuilder, nil, tlsManager)
|
||||
|
|
@ -759,11 +763,12 @@ func TestProviderOnMiddlewares(t *testing.T) {
|
|||
},
|
||||
})
|
||||
|
||||
roundTripperManager := service.NewRoundTripperManager(nil)
|
||||
roundTripperManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
serviceManager := service.NewManager(rtConf.Services, nil, nil, roundTripperManager)
|
||||
transportManager := service.NewTransportManager(nil)
|
||||
transportManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
|
||||
serviceManager := service.NewManager(rtConf.Services, nil, nil, transportManager, nil)
|
||||
middlewaresBuilder := middleware.NewBuilder(rtConf.Middlewares, serviceManager, nil)
|
||||
tlsManager := tls.NewManager()
|
||||
tlsManager := traefiktls.NewManager()
|
||||
|
||||
routerManager := NewManager(rtConf, serviceManager, middlewaresBuilder, nil, tlsManager)
|
||||
|
||||
|
|
@ -775,14 +780,22 @@ func TestProviderOnMiddlewares(t *testing.T) {
|
|||
assert.Equal(t, []string{"m1@docker", "m2@docker", "m1@file"}, rtConf.Middlewares["chain@docker"].Chain.Middlewares)
|
||||
}
|
||||
|
||||
type staticRoundTripperGetter struct {
|
||||
type staticTransportManager struct {
|
||||
res *http.Response
|
||||
}
|
||||
|
||||
func (s staticRoundTripperGetter) Get(name string) (http.RoundTripper, error) {
|
||||
func (s staticTransportManager) GetRoundTripper(_ string) (http.RoundTripper, error) {
|
||||
return &staticTransport{res: s.res}, nil
|
||||
}
|
||||
|
||||
func (s staticTransportManager) GetTLSConfig(_ string) (*tls.Config, error) {
|
||||
panic("implement me")
|
||||
}
|
||||
|
||||
func (s staticTransportManager) Get(_ string) (*dynamic.ServersTransport, error) {
|
||||
panic("implement me")
|
||||
}
|
||||
|
||||
type staticTransport struct {
|
||||
res *http.Response
|
||||
}
|
||||
|
|
@ -829,9 +842,9 @@ func BenchmarkRouterServe(b *testing.B) {
|
|||
},
|
||||
})
|
||||
|
||||
serviceManager := service.NewManager(rtConf.Services, nil, nil, staticRoundTripperGetter{res})
|
||||
serviceManager := service.NewManager(rtConf.Services, nil, nil, staticTransportManager{res}, nil)
|
||||
middlewaresBuilder := middleware.NewBuilder(rtConf.Middlewares, serviceManager, nil)
|
||||
tlsManager := tls.NewManager()
|
||||
tlsManager := traefiktls.NewManager()
|
||||
|
||||
routerManager := NewManager(rtConf, serviceManager, middlewaresBuilder, nil, tlsManager)
|
||||
|
||||
|
|
@ -871,7 +884,7 @@ func BenchmarkService(b *testing.B) {
|
|||
},
|
||||
})
|
||||
|
||||
serviceManager := service.NewManager(rtConf.Services, nil, nil, staticRoundTripperGetter{res})
|
||||
serviceManager := service.NewManager(rtConf.Services, nil, nil, staticTransportManager{res}, nil)
|
||||
w := httptest.NewRecorder()
|
||||
req := testhelpers.MustNewRequest(http.MethodGet, "http://foo.bar/", nil)
|
||||
|
||||
|
|
@ -881,3 +894,13 @@ func BenchmarkService(b *testing.B) {
|
|||
handler.ServeHTTP(w, req)
|
||||
}
|
||||
}
|
||||
|
||||
type proxyBuilderMock struct{}
|
||||
|
||||
func (p proxyBuilderMock) Build(_ string, _ *url.URL, _, _ bool, _ time.Duration) (http.Handler, error) {
|
||||
return http.HandlerFunc(func(responseWriter http.ResponseWriter, req *http.Request) {}), nil
|
||||
}
|
||||
|
||||
func (p proxyBuilderMock) Update(_ map[string]*dynamic.ServersTransport) {
|
||||
panic("implement me")
|
||||
}
|
||||
|
|
|
|||
|
|
@ -3,7 +3,9 @@ package server
|
|||
import (
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"net/url"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
"github.com/traefik/traefik/v3/pkg/config/dynamic"
|
||||
|
|
@ -48,9 +50,10 @@ func TestReuseService(t *testing.T) {
|
|||
),
|
||||
)
|
||||
|
||||
roundTripperManager := service.NewRoundTripperManager(nil)
|
||||
roundTripperManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
managerFactory := service.NewManagerFactory(staticConfig, nil, nil, roundTripperManager, nil)
|
||||
transportManager := service.NewTransportManager(nil)
|
||||
transportManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
|
||||
managerFactory := service.NewManagerFactory(staticConfig, nil, nil, transportManager, proxyBuilderMock{}, nil)
|
||||
tlsManager := tls.NewManager()
|
||||
|
||||
dialerManager := tcp.NewDialerManager(nil)
|
||||
|
|
@ -184,9 +187,10 @@ func TestServerResponseEmptyBackend(t *testing.T) {
|
|||
},
|
||||
}
|
||||
|
||||
roundTripperManager := service.NewRoundTripperManager(nil)
|
||||
roundTripperManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
managerFactory := service.NewManagerFactory(staticConfig, nil, nil, roundTripperManager, nil)
|
||||
transportManager := service.NewTransportManager(nil)
|
||||
transportManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
|
||||
managerFactory := service.NewManagerFactory(staticConfig, nil, nil, transportManager, proxyBuilderMock{}, nil)
|
||||
tlsManager := tls.NewManager()
|
||||
|
||||
dialerManager := tcp.NewDialerManager(nil)
|
||||
|
|
@ -228,9 +232,10 @@ func TestInternalServices(t *testing.T) {
|
|||
),
|
||||
)
|
||||
|
||||
roundTripperManager := service.NewRoundTripperManager(nil)
|
||||
roundTripperManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
managerFactory := service.NewManagerFactory(staticConfig, nil, nil, roundTripperManager, nil)
|
||||
transportManager := service.NewTransportManager(nil)
|
||||
transportManager.Update(map[string]*dynamic.ServersTransport{"default@internal": {}})
|
||||
|
||||
managerFactory := service.NewManagerFactory(staticConfig, nil, nil, transportManager, nil, nil)
|
||||
tlsManager := tls.NewManager()
|
||||
|
||||
dialerManager := tcp.NewDialerManager(nil)
|
||||
|
|
@ -246,3 +251,13 @@ func TestInternalServices(t *testing.T) {
|
|||
|
||||
assert.Equal(t, http.StatusOK, responseRecorderOk.Result().StatusCode, "status code")
|
||||
}
|
||||
|
||||
type proxyBuilderMock struct{}
|
||||
|
||||
func (p proxyBuilderMock) Build(_ string, _ *url.URL, _, _ bool, _ time.Duration) (http.Handler, error) {
|
||||
return http.HandlerFunc(func(responseWriter http.ResponseWriter, req *http.Request) {}), nil
|
||||
}
|
||||
|
||||
func (p proxyBuilderMock) Update(_ map[string]*dynamic.ServersTransport) {
|
||||
panic("implement me")
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,7 +17,8 @@ import (
|
|||
type ManagerFactory struct {
|
||||
observabilityMgr *middleware.ObservabilityMgr
|
||||
|
||||
roundTripperManager *RoundTripperManager
|
||||
transportManager *TransportManager
|
||||
proxyBuilder ProxyBuilder
|
||||
|
||||
api func(configuration *runtime.Configuration) http.Handler
|
||||
restHandler http.Handler
|
||||
|
|
@ -30,12 +31,13 @@ type ManagerFactory struct {
|
|||
}
|
||||
|
||||
// NewManagerFactory creates a new ManagerFactory.
|
||||
func NewManagerFactory(staticConfiguration static.Configuration, routinesPool *safe.Pool, observabilityMgr *middleware.ObservabilityMgr, roundTripperManager *RoundTripperManager, acmeHTTPHandler http.Handler) *ManagerFactory {
|
||||
func NewManagerFactory(staticConfiguration static.Configuration, routinesPool *safe.Pool, observabilityMgr *middleware.ObservabilityMgr, transportManager *TransportManager, proxyBuilder ProxyBuilder, acmeHTTPHandler http.Handler) *ManagerFactory {
|
||||
factory := &ManagerFactory{
|
||||
observabilityMgr: observabilityMgr,
|
||||
routinesPool: routinesPool,
|
||||
roundTripperManager: roundTripperManager,
|
||||
acmeHTTPHandler: acmeHTTPHandler,
|
||||
observabilityMgr: observabilityMgr,
|
||||
routinesPool: routinesPool,
|
||||
transportManager: transportManager,
|
||||
proxyBuilder: proxyBuilder,
|
||||
acmeHTTPHandler: acmeHTTPHandler,
|
||||
}
|
||||
|
||||
if staticConfiguration.API != nil {
|
||||
|
|
@ -73,7 +75,7 @@ func NewManagerFactory(staticConfiguration static.Configuration, routinesPool *s
|
|||
|
||||
// Build creates a service manager.
|
||||
func (f *ManagerFactory) Build(configuration *runtime.Configuration) *InternalHandlers {
|
||||
svcManager := NewManager(configuration.Services, f.observabilityMgr, f.routinesPool, f.roundTripperManager)
|
||||
svcManager := NewManager(configuration.Services, f.observabilityMgr, f.routinesPool, f.transportManager, f.proxyBuilder)
|
||||
|
||||
var apiHandler http.Handler
|
||||
if f.api != nil {
|
||||
|
|
|
|||
|
|
@ -1,37 +0,0 @@
|
|||
package service
|
||||
|
||||
import (
|
||||
"io"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"github.com/traefik/traefik/v3/pkg/testhelpers"
|
||||
)
|
||||
|
||||
type staticTransport struct {
|
||||
res *http.Response
|
||||
}
|
||||
|
||||
func (t *staticTransport) RoundTrip(r *http.Request) (*http.Response, error) {
|
||||
return t.res, nil
|
||||
}
|
||||
|
||||
func BenchmarkProxy(b *testing.B) {
|
||||
res := &http.Response{
|
||||
StatusCode: http.StatusOK,
|
||||
Body: io.NopCloser(strings.NewReader("")),
|
||||
}
|
||||
|
||||
w := httptest.NewRecorder()
|
||||
req := testhelpers.MustNewRequest(http.MethodGet, "http://foo.bar/", nil)
|
||||
|
||||
pool := newBufferPool()
|
||||
handler := buildSingleHostProxy(req.URL, false, 0, &staticTransport{res}, pool)
|
||||
|
||||
b.ReportAllocs()
|
||||
for range b.N {
|
||||
handler.ServeHTTP(w, req)
|
||||
}
|
||||
}
|
||||
|
|
@ -9,7 +9,6 @@ import (
|
|||
"hash/fnv"
|
||||
"math/rand"
|
||||
"net/http"
|
||||
"net/http/httputil"
|
||||
"net/url"
|
||||
"reflect"
|
||||
"strings"
|
||||
|
|
@ -25,6 +24,7 @@ import (
|
|||
"github.com/traefik/traefik/v3/pkg/middlewares/capture"
|
||||
metricsMiddle "github.com/traefik/traefik/v3/pkg/middlewares/metrics"
|
||||
"github.com/traefik/traefik/v3/pkg/middlewares/observability"
|
||||
"github.com/traefik/traefik/v3/pkg/proxy/httputil"
|
||||
"github.com/traefik/traefik/v3/pkg/safe"
|
||||
"github.com/traefik/traefik/v3/pkg/server/cookie"
|
||||
"github.com/traefik/traefik/v3/pkg/server/middleware"
|
||||
|
|
@ -40,17 +40,18 @@ const (
|
|||
defaultMaxBodySize int64 = -1
|
||||
)
|
||||
|
||||
// RoundTripperGetter is a roundtripper getter interface.
|
||||
type RoundTripperGetter interface {
|
||||
Get(name string) (http.RoundTripper, error)
|
||||
// ProxyBuilder builds reverse proxy handlers.
|
||||
type ProxyBuilder interface {
|
||||
Build(cfgName string, targetURL *url.URL, shouldObserve, passHostHeader bool, flushInterval time.Duration) (http.Handler, error)
|
||||
Update(configs map[string]*dynamic.ServersTransport)
|
||||
}
|
||||
|
||||
// Manager The service manager.
|
||||
type Manager struct {
|
||||
routinePool *safe.Pool
|
||||
observabilityMgr *middleware.ObservabilityMgr
|
||||
bufferPool httputil.BufferPool
|
||||
roundTripperManager RoundTripperGetter
|
||||
routinePool *safe.Pool
|
||||
observabilityMgr *middleware.ObservabilityMgr
|
||||
transportManager httputil.TransportManager
|
||||
proxyBuilder ProxyBuilder
|
||||
|
||||
services map[string]http.Handler
|
||||
configs map[string]*runtime.ServiceInfo
|
||||
|
|
@ -59,16 +60,16 @@ type Manager struct {
|
|||
}
|
||||
|
||||
// NewManager creates a new Manager.
|
||||
func NewManager(configs map[string]*runtime.ServiceInfo, observabilityMgr *middleware.ObservabilityMgr, routinePool *safe.Pool, roundTripperManager RoundTripperGetter) *Manager {
|
||||
func NewManager(configs map[string]*runtime.ServiceInfo, observabilityMgr *middleware.ObservabilityMgr, routinePool *safe.Pool, transportManager httputil.TransportManager, proxyBuilder ProxyBuilder) *Manager {
|
||||
return &Manager{
|
||||
routinePool: routinePool,
|
||||
observabilityMgr: observabilityMgr,
|
||||
bufferPool: newBufferPool(),
|
||||
roundTripperManager: roundTripperManager,
|
||||
services: make(map[string]http.Handler),
|
||||
configs: configs,
|
||||
healthCheckers: make(map[string]*healthcheck.ServiceHealthChecker),
|
||||
rand: rand.New(rand.NewSource(time.Now().UnixNano())),
|
||||
routinePool: routinePool,
|
||||
observabilityMgr: observabilityMgr,
|
||||
transportManager: transportManager,
|
||||
proxyBuilder: proxyBuilder,
|
||||
services: make(map[string]http.Handler),
|
||||
configs: configs,
|
||||
healthCheckers: make(map[string]*healthcheck.ServiceHealthChecker),
|
||||
rand: rand.New(rand.NewSource(time.Now().UnixNano())),
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -298,9 +299,9 @@ func (m *Manager) getLoadBalancerServiceHandler(ctx context.Context, serviceName
|
|||
logger.Debug().Msg("Creating load-balancer")
|
||||
|
||||
// TODO: should we keep this config value as Go is now handling stream response correctly?
|
||||
flushInterval := dynamic.DefaultFlushInterval
|
||||
flushInterval := time.Duration(dynamic.DefaultFlushInterval)
|
||||
if service.ResponseForwarding != nil {
|
||||
flushInterval = service.ResponseForwarding.FlushInterval
|
||||
flushInterval = time.Duration(service.ResponseForwarding.FlushInterval)
|
||||
}
|
||||
|
||||
if len(service.ServersTransport) > 0 {
|
||||
|
|
@ -317,11 +318,6 @@ func (m *Manager) getLoadBalancerServiceHandler(ctx context.Context, serviceName
|
|||
passHostHeader = *service.PassHostHeader
|
||||
}
|
||||
|
||||
roundTripper, err := m.roundTripperManager.Get(service.ServersTransport)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
lb := wrr.New(service.Sticky, service.HealthCheck != nil)
|
||||
healthCheckTargets := make(map[string]*url.URL)
|
||||
|
||||
|
|
@ -341,14 +337,12 @@ func (m *Manager) getLoadBalancerServiceHandler(ctx context.Context, serviceName
|
|||
|
||||
qualifiedSvcName := provider.GetQualifiedName(ctx, serviceName)
|
||||
|
||||
if m.observabilityMgr.ShouldAddTracing(qualifiedSvcName) || m.observabilityMgr.ShouldAddMetrics(qualifiedSvcName) {
|
||||
// Wrapping the roundTripper with the Tracing roundTripper,
|
||||
// to handle the reverseProxy client span creation.
|
||||
roundTripper = newObservabilityRoundTripper(m.observabilityMgr.SemConvMetricsRegistry(), roundTripper)
|
||||
shouldObserve := m.observabilityMgr.ShouldAddTracing(qualifiedSvcName) || m.observabilityMgr.ShouldAddMetrics(qualifiedSvcName)
|
||||
proxy, err := m.proxyBuilder.Build(service.ServersTransport, target, shouldObserve, passHostHeader, flushInterval)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("error building proxy for server URL %s: %w", server.URL, err)
|
||||
}
|
||||
|
||||
proxy := buildSingleHostProxy(target, passHostHeader, time.Duration(flushInterval), roundTripper, m.bufferPool)
|
||||
|
||||
// Prevents from enabling observability for internal resources.
|
||||
|
||||
if m.observabilityMgr.ShouldAddAccessLogs(qualifiedSvcName) {
|
||||
|
|
@ -393,6 +387,11 @@ func (m *Manager) getLoadBalancerServiceHandler(ctx context.Context, serviceName
|
|||
}
|
||||
|
||||
if service.HealthCheck != nil {
|
||||
roundTripper, err := m.transportManager.GetRoundTripper(service.ServersTransport)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("getting RoundTripper: %w", err)
|
||||
}
|
||||
|
||||
m.healthCheckers[serviceName] = healthcheck.NewServiceHealthChecker(
|
||||
ctx,
|
||||
m.observabilityMgr.MetricsRegistry(),
|
||||
|
|
|
|||
|
|
@ -2,6 +2,7 @@ package service
|
|||
|
||||
import (
|
||||
"context"
|
||||
"crypto/tls"
|
||||
"io"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
|
|
@ -14,13 +15,14 @@ import (
|
|||
"github.com/stretchr/testify/require"
|
||||
"github.com/traefik/traefik/v3/pkg/config/dynamic"
|
||||
"github.com/traefik/traefik/v3/pkg/config/runtime"
|
||||
"github.com/traefik/traefik/v3/pkg/proxy/httputil"
|
||||
"github.com/traefik/traefik/v3/pkg/server/provider"
|
||||
"github.com/traefik/traefik/v3/pkg/testhelpers"
|
||||
)
|
||||
|
||||
func TestGetLoadBalancer(t *testing.T) {
|
||||
sm := Manager{
|
||||
roundTripperManager: newRtMock(),
|
||||
transportManager: &transportManagerMock{},
|
||||
}
|
||||
|
||||
testCases := []struct {
|
||||
|
|
@ -40,14 +42,14 @@ func TestGetLoadBalancer(t *testing.T) {
|
|||
},
|
||||
},
|
||||
},
|
||||
fwd: &MockForwarder{},
|
||||
fwd: &forwarderMock{},
|
||||
expectError: true,
|
||||
},
|
||||
{
|
||||
desc: "Succeeds when there are no servers",
|
||||
serviceName: "test",
|
||||
service: &dynamic.ServersLoadBalancer{},
|
||||
fwd: &MockForwarder{},
|
||||
fwd: &forwarderMock{},
|
||||
expectError: false,
|
||||
},
|
||||
{
|
||||
|
|
@ -56,7 +58,7 @@ func TestGetLoadBalancer(t *testing.T) {
|
|||
service: &dynamic.ServersLoadBalancer{
|
||||
Sticky: &dynamic.Sticky{Cookie: &dynamic.Cookie{}},
|
||||
},
|
||||
fwd: &MockForwarder{},
|
||||
fwd: &forwarderMock{},
|
||||
expectError: false,
|
||||
},
|
||||
}
|
||||
|
|
@ -79,11 +81,8 @@ func TestGetLoadBalancer(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestGetLoadBalancerServiceHandler(t *testing.T) {
|
||||
sm := NewManager(nil, nil, nil, &RoundTripperManager{
|
||||
roundTrippers: map[string]http.RoundTripper{
|
||||
"default@internal": http.DefaultTransport,
|
||||
},
|
||||
})
|
||||
pb := httputil.NewProxyBuilder(&transportManagerMock{}, nil)
|
||||
sm := NewManager(nil, nil, nil, transportManagerMock{}, pb)
|
||||
|
||||
server1 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.Header().Set("X-From", "first")
|
||||
|
|
@ -139,7 +138,7 @@ func TestGetLoadBalancerServiceHandler(t *testing.T) {
|
|||
desc: "Load balances between the two servers",
|
||||
serviceName: "test",
|
||||
service: &dynamic.ServersLoadBalancer{
|
||||
PassHostHeader: Bool(true),
|
||||
PassHostHeader: boolPtr(true),
|
||||
Servers: []dynamic.Server{
|
||||
{
|
||||
URL: server1.URL,
|
||||
|
|
@ -254,7 +253,7 @@ func TestGetLoadBalancerServiceHandler(t *testing.T) {
|
|||
desc: "PassHost doesn't pass the host instead of the IP",
|
||||
serviceName: "test",
|
||||
service: &dynamic.ServersLoadBalancer{
|
||||
PassHostHeader: Bool(false),
|
||||
PassHostHeader: boolPtr(false),
|
||||
Sticky: &dynamic.Sticky{Cookie: &dynamic.Cookie{}},
|
||||
Servers: []dynamic.Server{
|
||||
{
|
||||
|
|
@ -359,11 +358,8 @@ func TestGetLoadBalancerServiceHandler(t *testing.T) {
|
|||
|
||||
// This test is an adapted version of net/http/httputil.Test1xxResponses test.
|
||||
func Test1xxResponses(t *testing.T) {
|
||||
sm := NewManager(nil, nil, nil, &RoundTripperManager{
|
||||
roundTrippers: map[string]http.RoundTripper{
|
||||
"default@internal": http.DefaultTransport,
|
||||
},
|
||||
})
|
||||
pb := httputil.NewProxyBuilder(&transportManagerMock{}, nil)
|
||||
sm := NewManager(nil, nil, nil, &transportManagerMock{}, pb)
|
||||
|
||||
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
h := w.Header()
|
||||
|
|
@ -499,11 +495,7 @@ func TestManager_Build(t *testing.T) {
|
|||
t.Run(test.desc, func(t *testing.T) {
|
||||
t.Parallel()
|
||||
|
||||
manager := NewManager(test.configs, nil, nil, &RoundTripperManager{
|
||||
roundTrippers: map[string]http.RoundTripper{
|
||||
"default@internal": http.DefaultTransport,
|
||||
},
|
||||
})
|
||||
manager := NewManager(test.configs, nil, nil, &transportManagerMock{}, nil)
|
||||
|
||||
ctx := context.Background()
|
||||
if len(test.providerName) > 0 {
|
||||
|
|
@ -526,30 +518,30 @@ func TestMultipleTypeOnBuildHTTP(t *testing.T) {
|
|||
},
|
||||
}
|
||||
|
||||
manager := NewManager(services, nil, nil, &RoundTripperManager{
|
||||
roundTrippers: map[string]http.RoundTripper{
|
||||
"default@internal": http.DefaultTransport,
|
||||
},
|
||||
})
|
||||
manager := NewManager(services, nil, nil, &transportManagerMock{}, nil)
|
||||
|
||||
_, err := manager.BuildHTTP(context.Background(), "test@file")
|
||||
assert.Error(t, err, "cannot create service: multi-types service not supported, consider declaring two different pieces of service instead")
|
||||
}
|
||||
|
||||
func Bool(v bool) *bool { return &v }
|
||||
func boolPtr(v bool) *bool { return &v }
|
||||
|
||||
type MockForwarder struct{}
|
||||
type forwarderMock struct{}
|
||||
|
||||
func (MockForwarder) ServeHTTP(http.ResponseWriter, *http.Request) {
|
||||
func (forwarderMock) ServeHTTP(http.ResponseWriter, *http.Request) {
|
||||
panic("not available")
|
||||
}
|
||||
|
||||
type rtMock struct{}
|
||||
type transportManagerMock struct{}
|
||||
|
||||
func newRtMock() RoundTripperGetter {
|
||||
return &rtMock{}
|
||||
func (t transportManagerMock) GetRoundTripper(_ string) (http.RoundTripper, error) {
|
||||
return &http.Transport{}, nil
|
||||
}
|
||||
|
||||
func (r *rtMock) Get(_ string) (http.RoundTripper, error) {
|
||||
return http.DefaultTransport, nil
|
||||
func (t transportManagerMock) GetTLSConfig(_ string) (*tls.Config, error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func (t transportManagerMock) Get(_ string) (*dynamic.ServersTransport, error) {
|
||||
return &dynamic.ServersTransport{}, nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -11,6 +11,15 @@ import (
|
|||
"golang.org/x/net/http2"
|
||||
)
|
||||
|
||||
type h2cTransportWrapper struct {
|
||||
*http2.Transport
|
||||
}
|
||||
|
||||
func (t *h2cTransportWrapper) RoundTrip(req *http.Request) (*http.Response, error) {
|
||||
req.URL.Scheme = "http"
|
||||
return t.Transport.RoundTrip(req)
|
||||
}
|
||||
|
||||
func newSmartRoundTripper(transport *http.Transport, forwardingTimeouts *dynamic.ForwardingTimeouts) (*smartRoundTripper, error) {
|
||||
transportHTTP1 := transport.Clone()
|
||||
|
||||
|
|
|
|||
|
|
@ -22,52 +22,45 @@ import (
|
|||
"github.com/traefik/traefik/v3/pkg/config/dynamic"
|
||||
traefiktls "github.com/traefik/traefik/v3/pkg/tls"
|
||||
"github.com/traefik/traefik/v3/pkg/types"
|
||||
"golang.org/x/net/http2"
|
||||
)
|
||||
|
||||
type h2cTransportWrapper struct {
|
||||
*http2.Transport
|
||||
}
|
||||
|
||||
func (t *h2cTransportWrapper) RoundTrip(req *http.Request) (*http.Response, error) {
|
||||
req.URL.Scheme = "http"
|
||||
return t.Transport.RoundTrip(req)
|
||||
}
|
||||
|
||||
// SpiffeX509Source allows to retrieve a x509 SVID and bundle.
|
||||
type SpiffeX509Source interface {
|
||||
x509svid.Source
|
||||
x509bundle.Source
|
||||
}
|
||||
|
||||
// NewRoundTripperManager creates a new RoundTripperManager.
|
||||
func NewRoundTripperManager(spiffeX509Source SpiffeX509Source) *RoundTripperManager {
|
||||
return &RoundTripperManager{
|
||||
roundTrippers: make(map[string]http.RoundTripper),
|
||||
configs: make(map[string]*dynamic.ServersTransport),
|
||||
spiffeX509Source: spiffeX509Source,
|
||||
}
|
||||
}
|
||||
|
||||
// RoundTripperManager handles roundtripper for the reverse proxy.
|
||||
type RoundTripperManager struct {
|
||||
// TransportManager handles transports for backend communication.
|
||||
type TransportManager struct {
|
||||
rtLock sync.RWMutex
|
||||
roundTrippers map[string]http.RoundTripper
|
||||
configs map[string]*dynamic.ServersTransport
|
||||
tlsConfigs map[string]*tls.Config
|
||||
|
||||
spiffeX509Source SpiffeX509Source
|
||||
}
|
||||
|
||||
// Update updates the roundtrippers configurations.
|
||||
func (r *RoundTripperManager) Update(newConfigs map[string]*dynamic.ServersTransport) {
|
||||
r.rtLock.Lock()
|
||||
defer r.rtLock.Unlock()
|
||||
// NewTransportManager creates a new TransportManager.
|
||||
func NewTransportManager(spiffeX509Source SpiffeX509Source) *TransportManager {
|
||||
return &TransportManager{
|
||||
roundTrippers: make(map[string]http.RoundTripper),
|
||||
configs: make(map[string]*dynamic.ServersTransport),
|
||||
tlsConfigs: make(map[string]*tls.Config),
|
||||
spiffeX509Source: spiffeX509Source,
|
||||
}
|
||||
}
|
||||
|
||||
for configName, config := range r.configs {
|
||||
// Update updates the transport configurations.
|
||||
func (t *TransportManager) Update(newConfigs map[string]*dynamic.ServersTransport) {
|
||||
t.rtLock.Lock()
|
||||
defer t.rtLock.Unlock()
|
||||
|
||||
for configName, config := range t.configs {
|
||||
newConfig, ok := newConfigs[configName]
|
||||
if !ok {
|
||||
delete(r.configs, configName)
|
||||
delete(r.roundTrippers, configName)
|
||||
delete(t.configs, configName)
|
||||
delete(t.roundTrippers, configName)
|
||||
delete(t.tlsConfigs, configName)
|
||||
continue
|
||||
}
|
||||
|
||||
|
|
@ -76,50 +69,133 @@ func (r *RoundTripperManager) Update(newConfigs map[string]*dynamic.ServersTrans
|
|||
}
|
||||
|
||||
var err error
|
||||
r.roundTrippers[configName], err = r.createRoundTripper(newConfig)
|
||||
|
||||
var tlsConfig *tls.Config
|
||||
if tlsConfig, err = t.createTLSConfig(newConfig); err != nil {
|
||||
log.Error().Err(err).Msgf("Could not configure HTTP Transport %s TLS configuration, fallback on default TLS config", configName)
|
||||
}
|
||||
t.tlsConfigs[configName] = tlsConfig
|
||||
|
||||
t.roundTrippers[configName], err = t.createRoundTripper(newConfig, tlsConfig)
|
||||
if err != nil {
|
||||
log.Error().Err(err).Msgf("Could not configure HTTP Transport %s, fallback on default transport", configName)
|
||||
r.roundTrippers[configName] = http.DefaultTransport
|
||||
t.roundTrippers[configName] = http.DefaultTransport
|
||||
}
|
||||
}
|
||||
|
||||
for newConfigName, newConfig := range newConfigs {
|
||||
if _, ok := r.configs[newConfigName]; ok {
|
||||
if _, ok := t.configs[newConfigName]; ok {
|
||||
continue
|
||||
}
|
||||
|
||||
var err error
|
||||
r.roundTrippers[newConfigName], err = r.createRoundTripper(newConfig)
|
||||
|
||||
var tlsConfig *tls.Config
|
||||
if tlsConfig, err = t.createTLSConfig(newConfig); err != nil {
|
||||
log.Error().Err(err).Msgf("Could not configure HTTP Transport %s TLS configuration, fallback on default TLS config", newConfigName)
|
||||
}
|
||||
t.tlsConfigs[newConfigName] = tlsConfig
|
||||
|
||||
t.roundTrippers[newConfigName], err = t.createRoundTripper(newConfig, tlsConfig)
|
||||
if err != nil {
|
||||
log.Error().Err(err).Msgf("Could not configure HTTP Transport %s, fallback on default transport", newConfigName)
|
||||
r.roundTrippers[newConfigName] = http.DefaultTransport
|
||||
t.roundTrippers[newConfigName] = http.DefaultTransport
|
||||
}
|
||||
}
|
||||
|
||||
r.configs = newConfigs
|
||||
t.configs = newConfigs
|
||||
}
|
||||
|
||||
// Get gets a roundtripper by name.
|
||||
func (r *RoundTripperManager) Get(name string) (http.RoundTripper, error) {
|
||||
// GetRoundTripper gets a roundtripper corresponding to the given transport name.
|
||||
func (t *TransportManager) GetRoundTripper(name string) (http.RoundTripper, error) {
|
||||
if len(name) == 0 {
|
||||
name = "default@internal"
|
||||
}
|
||||
|
||||
r.rtLock.RLock()
|
||||
defer r.rtLock.RUnlock()
|
||||
t.rtLock.RLock()
|
||||
defer t.rtLock.RUnlock()
|
||||
|
||||
if rt, ok := r.roundTrippers[name]; ok {
|
||||
if rt, ok := t.roundTrippers[name]; ok {
|
||||
return rt, nil
|
||||
}
|
||||
|
||||
return nil, fmt.Errorf("servers transport not found %s", name)
|
||||
}
|
||||
|
||||
// Get gets transport by name.
|
||||
func (t *TransportManager) Get(name string) (*dynamic.ServersTransport, error) {
|
||||
if len(name) == 0 {
|
||||
name = "default@internal"
|
||||
}
|
||||
|
||||
t.rtLock.RLock()
|
||||
defer t.rtLock.RUnlock()
|
||||
|
||||
if rt, ok := t.configs[name]; ok {
|
||||
return rt, nil
|
||||
}
|
||||
|
||||
return nil, fmt.Errorf("servers transport not found %s", name)
|
||||
}
|
||||
|
||||
// GetTLSConfig gets a TLS config corresponding to the given transport name.
|
||||
func (t *TransportManager) GetTLSConfig(name string) (*tls.Config, error) {
|
||||
if len(name) == 0 {
|
||||
name = "default@internal"
|
||||
}
|
||||
|
||||
t.rtLock.RLock()
|
||||
defer t.rtLock.RUnlock()
|
||||
|
||||
if rt, ok := t.tlsConfigs[name]; ok {
|
||||
return rt, nil
|
||||
}
|
||||
|
||||
return nil, fmt.Errorf("tls config not found %s", name)
|
||||
}
|
||||
|
||||
func (t *TransportManager) createTLSConfig(cfg *dynamic.ServersTransport) (*tls.Config, error) {
|
||||
var config *tls.Config
|
||||
if cfg.Spiffe != nil {
|
||||
if t.spiffeX509Source == nil {
|
||||
return nil, errors.New("SPIFFE is enabled for this transport, but not configured")
|
||||
}
|
||||
|
||||
spiffeAuthorizer, err := buildSpiffeAuthorizer(cfg.Spiffe)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("unable to build SPIFFE authorizer: %w", err)
|
||||
}
|
||||
|
||||
config = tlsconfig.MTLSClientConfig(t.spiffeX509Source, t.spiffeX509Source, spiffeAuthorizer)
|
||||
}
|
||||
|
||||
if cfg.InsecureSkipVerify || len(cfg.RootCAs) > 0 || len(cfg.ServerName) > 0 || len(cfg.Certificates) > 0 || cfg.PeerCertURI != "" {
|
||||
if config != nil {
|
||||
return nil, errors.New("TLS and SPIFFE configuration cannot be defined at the same time")
|
||||
}
|
||||
|
||||
config = &tls.Config{
|
||||
ServerName: cfg.ServerName,
|
||||
InsecureSkipVerify: cfg.InsecureSkipVerify,
|
||||
RootCAs: createRootCACertPool(cfg.RootCAs),
|
||||
Certificates: cfg.Certificates.GetCertificates(),
|
||||
}
|
||||
|
||||
if cfg.PeerCertURI != "" {
|
||||
config.VerifyPeerCertificate = func(rawCerts [][]byte, _ [][]*x509.Certificate) error {
|
||||
return traefiktls.VerifyPeerCertificate(cfg.PeerCertURI, config, rawCerts)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return config, nil
|
||||
}
|
||||
|
||||
// createRoundTripper creates an http.RoundTripper configured with the Transport configuration settings.
|
||||
// For the settings that can't be configured in Traefik it uses the default http.Transport settings.
|
||||
// An exception to this is the MaxIdleConns setting as we only provide the option MaxIdleConnsPerHost in Traefik at this point in time.
|
||||
// Setting this value to the default of 100 could lead to confusing behavior and backwards compatibility issues.
|
||||
func (r *RoundTripperManager) createRoundTripper(cfg *dynamic.ServersTransport) (http.RoundTripper, error) {
|
||||
func (t *TransportManager) createRoundTripper(cfg *dynamic.ServersTransport, tlsConfig *tls.Config) (http.RoundTripper, error) {
|
||||
if cfg == nil {
|
||||
return nil, errors.New("no transport configuration given")
|
||||
}
|
||||
|
|
@ -142,6 +218,7 @@ func (r *RoundTripperManager) createRoundTripper(cfg *dynamic.ServersTransport)
|
|||
ExpectContinueTimeout: 1 * time.Second,
|
||||
ReadBufferSize: 64 * 1024,
|
||||
WriteBufferSize: 64 * 1024,
|
||||
TLSClientConfig: tlsConfig,
|
||||
}
|
||||
|
||||
if cfg.ForwardingTimeouts != nil {
|
||||
|
|
@ -149,41 +226,9 @@ func (r *RoundTripperManager) createRoundTripper(cfg *dynamic.ServersTransport)
|
|||
transport.IdleConnTimeout = time.Duration(cfg.ForwardingTimeouts.IdleConnTimeout)
|
||||
}
|
||||
|
||||
if cfg.Spiffe != nil {
|
||||
if r.spiffeX509Source == nil {
|
||||
return nil, errors.New("SPIFFE is enabled for this transport, but not configured")
|
||||
}
|
||||
|
||||
spiffeAuthorizer, err := buildSpiffeAuthorizer(cfg.Spiffe)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("unable to build SPIFFE authorizer: %w", err)
|
||||
}
|
||||
|
||||
transport.TLSClientConfig = tlsconfig.MTLSClientConfig(r.spiffeX509Source, r.spiffeX509Source, spiffeAuthorizer)
|
||||
}
|
||||
|
||||
if cfg.InsecureSkipVerify || len(cfg.RootCAs) > 0 || len(cfg.ServerName) > 0 || len(cfg.Certificates) > 0 || cfg.PeerCertURI != "" {
|
||||
if transport.TLSClientConfig != nil {
|
||||
return nil, errors.New("TLS and SPIFFE configuration cannot be defined at the same time")
|
||||
}
|
||||
|
||||
transport.TLSClientConfig = &tls.Config{
|
||||
ServerName: cfg.ServerName,
|
||||
InsecureSkipVerify: cfg.InsecureSkipVerify,
|
||||
RootCAs: createRootCACertPool(cfg.RootCAs),
|
||||
Certificates: cfg.Certificates.GetCertificates(),
|
||||
}
|
||||
|
||||
if cfg.PeerCertURI != "" {
|
||||
transport.TLSClientConfig.VerifyPeerCertificate = func(rawCerts [][]byte, _ [][]*x509.Certificate) error {
|
||||
return traefiktls.VerifyPeerCertificate(cfg.PeerCertURI, transport.TLSClientConfig, rawCerts)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Return directly HTTP/1.1 transport when HTTP/2 is disabled
|
||||
if cfg.DisableHTTP2 {
|
||||
return &KerberosRoundTripper{
|
||||
return &kerberosRoundTripper{
|
||||
OriginalRoundTripper: transport,
|
||||
new: func() http.RoundTripper {
|
||||
return transport.Clone()
|
||||
|
|
@ -195,7 +240,7 @@ func (r *RoundTripperManager) createRoundTripper(cfg *dynamic.ServersTransport)
|
|||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &KerberosRoundTripper{
|
||||
return &kerberosRoundTripper{
|
||||
OriginalRoundTripper: rt,
|
||||
new: func() http.RoundTripper {
|
||||
return rt.Clone()
|
||||
|
|
@ -203,11 +248,6 @@ func (r *RoundTripperManager) createRoundTripper(cfg *dynamic.ServersTransport)
|
|||
}, nil
|
||||
}
|
||||
|
||||
type KerberosRoundTripper struct {
|
||||
new func() http.RoundTripper
|
||||
OriginalRoundTripper http.RoundTripper
|
||||
}
|
||||
|
||||
type stickyRoundTripper struct {
|
||||
RoundTripper http.RoundTripper
|
||||
}
|
||||
|
|
@ -220,7 +260,12 @@ func AddTransportOnContext(ctx context.Context) context.Context {
|
|||
return context.WithValue(ctx, transportKey, &stickyRoundTripper{})
|
||||
}
|
||||
|
||||
func (k *KerberosRoundTripper) RoundTrip(request *http.Request) (*http.Response, error) {
|
||||
type kerberosRoundTripper struct {
|
||||
new func() http.RoundTripper
|
||||
OriginalRoundTripper http.RoundTripper
|
||||
}
|
||||
|
||||
func (k *kerberosRoundTripper) RoundTrip(request *http.Request) (*http.Response, error) {
|
||||
value, ok := request.Context().Value(transportKey).(*stickyRoundTripper)
|
||||
if !ok {
|
||||
return k.OriginalRoundTripper.RoundTrip(request)
|
||||
|
|
@ -141,7 +141,7 @@ func TestKeepConnectionWhenSameConfiguration(t *testing.T) {
|
|||
srv.TLS = &tls.Config{Certificates: []tls.Certificate{cert}}
|
||||
srv.StartTLS()
|
||||
|
||||
rtManager := NewRoundTripperManager(nil)
|
||||
transportManager := NewTransportManager(nil)
|
||||
|
||||
dynamicConf := map[string]*dynamic.ServersTransport{
|
||||
"test": {
|
||||
|
|
@ -151,9 +151,9 @@ func TestKeepConnectionWhenSameConfiguration(t *testing.T) {
|
|||
}
|
||||
|
||||
for range 10 {
|
||||
rtManager.Update(dynamicConf)
|
||||
transportManager.Update(dynamicConf)
|
||||
|
||||
tr, err := rtManager.Get("test")
|
||||
tr, err := transportManager.GetRoundTripper("test")
|
||||
require.NoError(t, err)
|
||||
|
||||
client := http.Client{Transport: tr}
|
||||
|
|
@ -173,9 +173,9 @@ func TestKeepConnectionWhenSameConfiguration(t *testing.T) {
|
|||
},
|
||||
}
|
||||
|
||||
rtManager.Update(dynamicConf)
|
||||
transportManager.Update(dynamicConf)
|
||||
|
||||
tr, err := rtManager.Get("test")
|
||||
tr, err := transportManager.GetRoundTripper("test")
|
||||
require.NoError(t, err)
|
||||
|
||||
client := http.Client{Transport: tr}
|
||||
|
|
@ -209,7 +209,7 @@ func TestMTLS(t *testing.T) {
|
|||
}
|
||||
srv.StartTLS()
|
||||
|
||||
rtManager := NewRoundTripperManager(nil)
|
||||
transportManager := NewTransportManager(nil)
|
||||
|
||||
dynamicConf := map[string]*dynamic.ServersTransport{
|
||||
"test": {
|
||||
|
|
@ -227,9 +227,9 @@ func TestMTLS(t *testing.T) {
|
|||
},
|
||||
}
|
||||
|
||||
rtManager.Update(dynamicConf)
|
||||
transportManager.Update(dynamicConf)
|
||||
|
||||
tr, err := rtManager.Get("test")
|
||||
tr, err := transportManager.GetRoundTripper("test")
|
||||
require.NoError(t, err)
|
||||
|
||||
client := http.Client{Transport: tr}
|
||||
|
|
@ -348,7 +348,7 @@ func TestSpiffeMTLS(t *testing.T) {
|
|||
|
||||
for _, test := range testCases {
|
||||
t.Run(test.desc, func(t *testing.T) {
|
||||
rtManager := NewRoundTripperManager(test.clientSource)
|
||||
transportManager := NewTransportManager(test.clientSource)
|
||||
|
||||
dynamicConf := map[string]*dynamic.ServersTransport{
|
||||
"test": {
|
||||
|
|
@ -356,9 +356,9 @@ func TestSpiffeMTLS(t *testing.T) {
|
|||
},
|
||||
}
|
||||
|
||||
rtManager.Update(dynamicConf)
|
||||
transportManager.Update(dynamicConf)
|
||||
|
||||
tr, err := rtManager.Get("test")
|
||||
tr, err := transportManager.GetRoundTripper("test")
|
||||
require.NoError(t, err)
|
||||
|
||||
client := http.Client{Transport: tr}
|
||||
|
|
@ -415,7 +415,7 @@ func TestDisableHTTP2(t *testing.T) {
|
|||
srv.EnableHTTP2 = test.serverHTTP2
|
||||
srv.StartTLS()
|
||||
|
||||
rtManager := NewRoundTripperManager(nil)
|
||||
transportManager := NewTransportManager(nil)
|
||||
|
||||
dynamicConf := map[string]*dynamic.ServersTransport{
|
||||
"test": {
|
||||
|
|
@ -424,9 +424,9 @@ func TestDisableHTTP2(t *testing.T) {
|
|||
},
|
||||
}
|
||||
|
||||
rtManager.Update(dynamicConf)
|
||||
transportManager.Update(dynamicConf)
|
||||
|
||||
tr, err := rtManager.Get("test")
|
||||
tr, err := transportManager.GetRoundTripper("test")
|
||||
require.NoError(t, err)
|
||||
|
||||
client := http.Client{Transport: tr}
|
||||
|
|
@ -593,7 +593,7 @@ func TestKerberosRoundTripper(t *testing.T) {
|
|||
|
||||
origCount := 0
|
||||
dedicatedCount := 0
|
||||
rt := KerberosRoundTripper{
|
||||
rt := kerberosRoundTripper{
|
||||
new: func() http.RoundTripper {
|
||||
return roundTripperFn(func(req *http.Request) (*http.Response, error) {
|
||||
dedicatedCount++
|
||||
Loading…
Reference in a new issue