Use pointers to proper server initializing handling

* Wait for service in integration tests instead of watching for a string

* Add http3 experimental support

.github/workflows/codeql-analysis.yml

@@ -36,7 +36,12 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v3
 
-    # Initializes the CodeQL tools for scanning.
+    - name: install go
+      uses: actions/setup-go@v3
+      with:
+        go-version-file: go.mod
+        cache: true
+
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
       with:

.github/workflows/main.yml

@@ -37,6 +37,11 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
+      - name: install go
+        uses: actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+          cache: true
 
       - name: Set env
         run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
@@ -57,7 +62,7 @@ jobs:
           sha256sum whatismyip-$RELEASE_VERSION-${{matrix.goosarch}}.tar.gz > whatismyip-$RELEASE_VERSION-${{matrix.goosarch}}.tar.gz.sha256
 
       - name: Release
-        uses: softprops/action-gh-release@v0.1.14
+        uses: softprops/action-gh-release@v1
         with:
           body_path: changelog.txt
           files: |

README.md

@@ -14,6 +14,7 @@
     - [Examples](#examples)
         - [Run a default TCP server](#run-a-default-tcp-server)
         - [Run a TLS (HTTP/2) server only](#run-a-tls-http2-server-only)
+        - [Run an HTTP/3 server](#run-an-http3-server)
         - [Run a default TCP server with a custom template and trust a pair of custom headers set by an upstream proxy](#run-a-default-tcp-server-with-a-custom-template-and-trust-a-pair-of-custom-headers-set-by-an-upstream-proxy)
     - [Download](#download)
     - [Docker](#docker)
@@ -37,11 +38,12 @@ curl -6 ifconfig.es
 ## Features
 
 - TLS and HTTP/2.
+- Experimental HTTP/3 support. HTTP/3 requires a TLS server running (`-tls-bind`), as HTTP/3 starts as a TLS connection that then gets upgraded to UDP. The UDP port is the same as the one used for the TLS server.
 - Can run behind a proxy by trusting a custom header (usually `X-Real-IP`) to figure out the source IP address. It also supports a custom header to resolve the client port, if the proxy can only add a header for the IP (for example a fixed header from CDNs) the client port is shown as unknown.
 - IPv4 and IPv6.
 - Geolocation info including ASN. This feature is possible thanks to [maxmind](https://dev.maxmind.com/geoip/geolite2-free-geolocation-data?lang=en) GeoLite2 databases. In order to use these databases, a license key is needed. Please visit Maxmind site for further instructions and get a free license.
 - High performance.
-- Self-contained server what can reload GeoLite2 databases and/or SSL certificates without stop/start. The `hup` signal is honored.
+- Self-contained server that can reload GeoLite2 databases and/or SSL certificates without stop/start. The `hup` signal is honored.
 - HTML templates for the landing page.
 - Text plain and JSON output.
 
@@ -67,7 +69,7 @@ curl -6 ifconfig.es
 
 ## Build
 
-Golang >= 1.17 is required. Previous versions may work.
+Golang >= 1.19 is required.
 
 `make build`
 
@@ -77,6 +79,8 @@ Golang >= 1.17 is required. Previous versions may work.
 Usage of whatismyip:
   -bind string
         Listening address (see https://pkg.go.dev/net?#Listen) (default ":8080")
+  -enable-http3
+        Enable HTTP/3 protocol. HTTP/3 requires --tls-bind set, as HTTP/3 starts as a TLS connection that then gets upgraded to UDP. The UDP port is the same as the one used for the TLS server.
   -enable-secure-headers
         Add sane security-related headers to every response
   -geoip2-asn string
@@ -114,6 +118,13 @@ Usage of whatismyip:
              -bind "" -tls-bind :8081 -tls-crt ./test/server.pem -tls-key ./test/server.key
 ```
 
+### Run an HTTP/3 server
+
+```bash
+./whatismyip -geoip2-city ./test/GeoIP2-City-Test.mmdb -geoip2-asn ./test/GeoLite2-ASN-Test.mmdb \
+             -bind "" -tls-bind :8081 -tls-crt ./test/server.pem -tls-key ./test/server.key -enable-http3
+```
+
 ### Run a default TCP server with a custom template and trust a pair of custom headers set by an upstream proxy
 
 ```bash
@@ -123,11 +134,11 @@ Usage of whatismyip:
 
 ## Download
 
-Download latest version from https://github.com/dcarrillo/whatismyip/releases
+Download the latest version from https://github.com/dcarrillo/whatismyip/releases
 
 ## Docker
 
-An ultra-light (~10MB) image is available at [docker hub](https://hub.docker.com/r/dcarrillo/whatismyip).
+An ultra-light (~12MB) image is available at [docker hub](https://hub.docker.com/r/dcarrillo/whatismyip).
 
 ### Run a container locally using test databases
 

cmd/whatismyip.go

@@ -2,142 +2,45 @@ package main
 
 import (
 	"context"
-	"errors"
 	"flag"
 	"fmt"
-	"log"
-	"net/http"
 	"os"
-	"os/signal"
-	"syscall"
 
 	"github.com/dcarrillo/whatismyip/internal/httputils"
 	"github.com/dcarrillo/whatismyip/internal/setting"
+	"github.com/dcarrillo/whatismyip/server"
 	"github.com/gin-contrib/secure"
 
 	"github.com/dcarrillo/whatismyip/models"
 	"github.com/dcarrillo/whatismyip/router"
-
 	"github.com/gin-gonic/gin"
 )
 
-var (
-	tcpServer *http.Server
-	tlsServer *http.Server
-	engine    *gin.Engine
-)
-
 func main() {
 	o, err := setting.Setup(os.Args[1:])
 	if err == flag.ErrHelp || err == setting.ErrVersion {
 		fmt.Print(o)
 		os.Exit(0)
 	} else if err != nil {
-		fmt.Print(err)
+		fmt.Println(err)
 		os.Exit(1)
 	}
 
 	models.Setup(setting.App.GeodbPath.City, setting.App.GeodbPath.ASN)
-	setupEngine()
+	engine := setupEngine()
 	router.SetupTemplate(engine)
 	router.Setup(engine)
 
-	if setting.App.BindAddress != "" {
+	whatismyip := server.Setup(context.Background(), engine.Handler())
-		runTCPServer()
+	whatismyip.Run()
-	}
-
-	if setting.App.TLSAddress != "" {
-		runTLSServer()
-	}
-
-	runHandler()
 }
 
-func runHandler() {
+func setupEngine() *gin.Engine {
-	signalChan := make(chan os.Signal, 3)
-	signal.Notify(signalChan, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM)
-	ctx := context.Background()
-	var s os.Signal
-
-	for {
-		s = <-signalChan
-
-		if s == syscall.SIGHUP {
-			models.CloseDBs()
-			models.Setup(setting.App.GeodbPath.City, setting.App.GeodbPath.ASN)
-			router.SetupTemplate(engine)
-
-			if setting.App.BindAddress != "" {
-				if err := tcpServer.Shutdown(ctx); err != nil {
-					log.Printf("TCP server forced to shutdown: %s", err)
-				}
-				runTCPServer()
-			}
-			if setting.App.TLSAddress != "" {
-				if err := tlsServer.Shutdown(ctx); err != nil {
-					log.Printf("TLS server forced to shutdown: %s", err)
-				}
-				runTLSServer()
-			}
-		} else {
-			log.Printf("Shutting down...")
-			if setting.App.BindAddress != "" {
-				if err := tcpServer.Shutdown(ctx); err != nil {
-					log.Printf("TCP server forced to shutdown: %s", err)
-				}
-			}
-			if setting.App.TLSAddress != "" {
-				if err := tlsServer.Shutdown(ctx); err != nil {
-					log.Printf("TLS server forced to shutdown: %s", err)
-				}
-			}
-			models.CloseDBs()
-			break
-		}
-	}
-}
-
-func runTCPServer() {
-	tcpServer = &http.Server{
-		Addr:         setting.App.BindAddress,
-		Handler:      engine,
-		ReadTimeout:  setting.App.Server.ReadTimeout,
-		WriteTimeout: setting.App.Server.WriteTimeout,
-	}
-
-	go func() {
-		log.Printf("Starting TCP server listening on %s", setting.App.BindAddress)
-		if err := tcpServer.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
-			log.Fatal(err)
-		}
-		log.Printf("Stopping TCP server...")
-	}()
-}
-
-func runTLSServer() {
-	tlsServer = &http.Server{
-		Addr:         setting.App.TLSAddress,
-		Handler:      engine,
-		ReadTimeout:  setting.App.Server.ReadTimeout,
-		WriteTimeout: setting.App.Server.WriteTimeout,
-	}
-
-	go func() {
-		log.Printf("Starting TLS server listening on %s", setting.App.TLSAddress)
-		if err := tlsServer.ListenAndServeTLS(setting.App.TLSCrtPath, setting.App.TLSKeyPath); err != nil &&
-			!errors.Is(err, http.ErrServerClosed) {
-			log.Fatal(err)
-		}
-		log.Printf("Stopping TLS server...")
-	}()
-}
-
-func setupEngine() {
 	gin.DisableConsoleColor()
 	if os.Getenv(gin.EnvGinMode) == "" {
 		gin.SetMode(gin.ReleaseMode)
 	}
-	engine = gin.New()
+	engine := gin.New()
 	engine.Use(gin.LoggerWithFormatter(httputils.GetLogFormatter))
 	engine.Use(gin.Recovery())
 	if setting.App.EnableSecureHeaders {
@@ -149,4 +52,6 @@ func setupEngine() {
 	}
 	_ = engine.SetTrustedProxies(nil)
 	engine.TrustedPlatform = setting.App.TrustedHeader
+
+	return engine
 }

go.mod

@@ -4,17 +4,21 @@ go 1.20
 
 require (
 	github.com/gin-contrib/secure v0.0.1
-	github.com/gin-gonic/gin v1.8.2
+	github.com/gin-gonic/gin v1.9.0
 	github.com/oschwald/maxminddb-golang v1.10.0
-	github.com/stretchr/testify v1.8.1
+	github.com/quic-go/quic-go v0.33.0
+	github.com/stretchr/testify v1.8.2
 	github.com/testcontainers/testcontainers-go v0.13.0
+	golang.org/x/net v0.8.0
 )
 
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/Microsoft/go-winio v0.5.2 // indirect
 	github.com/Microsoft/hcsshim v0.9.6 // indirect
+	github.com/bytedance/sonic v1.8.5 // indirect
 	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
 	github.com/containerd/cgroups v1.0.4 // indirect
 	github.com/containerd/containerd v1.6.18 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
@@ -26,13 +30,17 @@ require (
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.11.2 // indirect
-	github.com/goccy/go-json v0.10.0 // indirect
+	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
+	github.com/goccy/go-json v0.10.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/golang/mock v1.6.0 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/pprof v0.0.0-20230309165930-d61513b1440d // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/leodido/go-urn v1.2.1 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
+	github.com/leodido/go-urn v1.2.2 // indirect
 	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/mattn/go-isatty v0.0.17 // indirect
 	github.com/moby/sys/mount v0.3.3 // indirect
@@ -41,22 +49,29 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/onsi/ginkgo/v2 v2.9.1 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.0.3-0.20211202183452-c5a74bcca799 // indirect
 	github.com/opencontainers/runc v1.1.3 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.7 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/quic-go/qpack v0.4.0 // indirect
+	github.com/quic-go/qtls-go1-19 v0.3.0 // indirect
+	github.com/quic-go/qtls-go1-20 v0.2.0 // indirect
 	github.com/sirupsen/logrus v1.9.0 // indirect
-	github.com/ugorji/go/codec v1.2.9 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.11 // indirect
 	go.opencensus.io v0.23.0 // indirect
-	golang.org/x/crypto v0.6.0 // indirect
+	golang.org/x/arch v0.3.0 // indirect
-	golang.org/x/net v0.7.0 // indirect
+	golang.org/x/crypto v0.7.0 // indirect
-	golang.org/x/sys v0.5.0 // indirect
+	golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0 // indirect
-	golang.org/x/text v0.7.0 // indirect
+	golang.org/x/mod v0.9.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+	golang.org/x/tools v0.7.0 // indirect
 	google.golang.org/genproto v0.0.0-20220810155839-1856144b1d9c // indirect
 	google.golang.org/grpc v1.48.0 // indirect
-	google.golang.org/protobuf v1.28.1 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -93,6 +93,9 @@ github.com/buger/jsonparser v0.0.0-20180808090653-f4dd9f5a6b44/go.mod h1:bbYlZJ7
 github.com/bugsnag/bugsnag-go v0.0.0-20141110184014-b1d153021fcd/go.mod h1:2oa8nejYd4cQ/b0hMIopN0lCRxU0bueqREvZLWFrtK8=
 github.com/bugsnag/osext v0.0.0-20130617224835-0dd3f918b21b/go.mod h1:obH5gd0BsqsP2LwDJ9aOkm/6J86V6lyAXCoQWGw3K50=
 github.com/bugsnag/panicwrap v0.0.0-20151223152923-e2c28503fcd0/go.mod h1:D/8v3kj0zr8ZAKg1AQ6crr+5VwKN5eIywRkfhyM/+dE=
+github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
+github.com/bytedance/sonic v1.8.5 h1:kjX0/vo5acEQ/sinD/18SkA/lDDUk23F0RcaHvI7omc=
+github.com/bytedance/sonic v1.8.5/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
 github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/cenkalti/backoff/v4 v4.1.2/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/cenkalti/backoff/v4 v4.1.3 h1:cFAlzYUlVYDysBEH2T5hyJZMh3+5+WCBvSnK6Q8UtC4=
@@ -103,6 +106,9 @@ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/checkpoint-restore/go-criu/v4 v4.1.0/go.mod h1:xUQBLp4RLc5zJtWY++yjOoMoB5lihDt7fai+75m+rGw=
 github.com/checkpoint-restore/go-criu/v5 v5.0.0/go.mod h1:cfwC0EG7HMUenopBsUf9d89JlCLQIfgVcNsNN0t6T2M=
 github.com/checkpoint-restore/go-criu/v5 v5.3.0/go.mod h1:E/eQpaFtUKGOOSEBZgmKAcn+zUUwWxqcaKZlF54wK8E=
+github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
+github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
+github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -299,8 +305,8 @@ github.com/gin-contrib/secure v0.0.1/go.mod h1:6kseOBFrSR3Is/kM1jDhCg/WsXAMvKJku
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.5.0/go.mod h1:Nd6IXA8m5kNZdNEHMBd93KT+mdY3+bewLgRvmCsR2Do=
-github.com/gin-gonic/gin v1.8.2 h1:UzKToD9/PoFj/V4rvlKqTRKnQYyz8Sc1MJlv4JHPtvY=
+github.com/gin-gonic/gin v1.9.0 h1:OjyFBKICoexlu99ctXNR2gg+c5pKrKMuyjgARg9qeY8=
-github.com/gin-gonic/gin v1.8.2/go.mod h1:qw5AYuDrzRTnhvusDsrov+fDIxp9Dleuu12h8nfB398=
+github.com/gin-gonic/gin v1.9.0/go.mod h1:W1Me9+hsUSyj3CePGrd1/QrKJMSJ1Tu/0hFEH89961k=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -311,6 +317,7 @@ github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
 github.com/go-logr/logr v0.2.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
+github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
 github.com/go-openapi/jsonpointer v0.0.0-20160704185906-46af16f9f7b1/go.mod h1:+35s3my2LFTysnkMfxsJBAMHj/DoqoB9knIWoYG/Vk0=
 github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg=
 github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
@@ -336,8 +343,10 @@ github.com/go-redis/redis v6.15.9+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8w
 github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
 github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/goccy/go-json v0.10.0 h1:mXKd9Qw4NuzShiRlOXKews24ufknHO7gx30lsDyokKA=
+github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8WdvHunIJ9dAyjPVtrBPhSr3KT2yUst43I=
-github.com/goccy/go-json v0.10.0/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
+github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
+github.com/goccy/go-json v0.10.1 h1:lEs5Ob+oOG/Ze199njvzHbhn6p9T+h64F5hRj69iTTo=
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@@ -367,6 +376,7 @@ github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFU
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@@ -383,8 +393,9 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
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@@ -397,8 +408,8 @@ github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -409,6 +420,8 @@ github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hf
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@@ -470,6 +483,9 @@ github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI
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@@ -484,8 +500,8 @@ github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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@@ -557,6 +573,8 @@ github.com/onsi/ginkgo v1.10.3/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+
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@@ -564,6 +582,7 @@ github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1Cpa
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@@ -598,8 +617,8 @@ github.com/oschwald/maxminddb-golang v1.10.0 h1:Xp1u0ZhqkSuopaKmk1WwHtjF0H9Hd918
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@@ -638,11 +657,20 @@ github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4O
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@@ -692,8 +720,9 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
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@@ -702,11 +731,13 @@ github.com/testcontainers/testcontainers-go v0.13.0 h1:OUujSlEGsXVo/ykPVZk3KanBN
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 github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
 github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
-github.com/ugorji/go/codec v1.2.9 h1:rmenucSohSTiyL09Y+l2OCk+FrMxGMzho2+tjr5ticU=
+github.com/ugorji/go/codec v1.2.11 h1:BMaWp1Bb6fHwEtbplGBGJ498wD+LKlNSl25MjdZY4dU=
-github.com/ugorji/go/codec v1.2.9/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
+github.com/ugorji/go/codec v1.2.11/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
 github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
@@ -747,6 +778,9 @@ go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
+golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
+golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k=
+golang.org/x/arch v0.3.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/crypto v0.0.0-20171113213409-9f005a07e0d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -760,8 +794,8 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
-golang.org/x/crypto v0.6.0 h1:qfktjS5LUO+fFKeJXZ+ikTRijMmljikvG68fpMMruSc=
+golang.org/x/crypto v0.7.0 h1:AvwMYaRytfdeVt3u6mLaxYtErKYjxA2OXjJ1HHq6t3A=
-golang.org/x/crypto v0.6.0/go.mod h1:OFC/31mSvZgRz0V1QTNCzfAI1aIRzbiufJtkMIlEp58=
+golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -772,6 +806,8 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
+golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0 h1:pVgRXcIictcr+lBQIFeiwuwtDIs4eL21OuM9nyAADmo=
+golang.org/x/exp v0.0.0-20230315142452-642cacee5cc0/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -793,6 +829,8 @@ golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.9.0 h1:KENHtAZL2y3NLMYZeHY9DW8HW8V+kQyJsY/V9JlKvCs=
+golang.org/x/mod v0.9.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -833,8 +871,8 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/net v0.0.0-20210825183410-e898025ed96a/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211108170745-6635138e15ea/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g=
+golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
-golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
+golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -928,10 +966,11 @@ golang.org/x/sys v0.0.0-20211116061358-0a5406a5449c/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
+golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
-golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -940,8 +979,8 @@ golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
+golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
-golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -994,10 +1033,11 @@ golang.org/x/tools v0.0.0-20200916195026-c9a70fc28ce3/go.mod h1:z6u4i615ZeAfBE4X
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/tools v0.7.0 h1:W4OVu8VVOaIO0yzWMNdepAulS7YfoS3Zabrm8DOXXU4=
+golang.org/x/tools v0.7.0/go.mod h1:4pg6aUX35JBAogB10C9AtvVL+qowtN4pT3CGSQex14s=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.0.0-20160322025152-9bf6e6e569ff/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
@@ -1078,8 +1118,8 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
-google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -1109,7 +1149,6 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
@@ -1158,6 +1197,7 @@ k8s.io/kube-openapi v0.0.0-20201113171705-d219536bb9fd/go.mod h1:WOJ3KddDSol4tAG
 k8s.io/kubernetes v1.13.0/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk=
 k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.14/go.mod h1:LEScyzhFmoF5pso/YSeBstl57mOzx9xlU9n85RGrDQg=

integration-tests/integration_test.go

@@ -9,9 +9,12 @@ import (
 	"net/http"
 	"path/filepath"
 	"runtime"
+	"strings"
 	"testing"
 
 	"github.com/dcarrillo/whatismyip/router"
+	"github.com/quic-go/quic-go"
+	"github.com/quic-go/quic-go/http3"
 	"github.com/stretchr/testify/assert"
 	"github.com/testcontainers/testcontainers-go"
 	"github.com/testcontainers/testcontainers-go/wait"
@@ -35,9 +38,12 @@ func buildContainer() testcontainers.ContainerRequest {
 			"-tls-key", "/tmp/server.key",
 			"-trusted-header", "X-Real-IP",
 			"-enable-secure-headers",
+			"-enable-http3",
 		},
-		ExposedPorts: []string{"8000:8000", "8001:8001"},
+		ExposedPorts: []string{"8000:8000", "8001:8001", "8001:8001/udp"},
-		WaitingFor:   wait.ForLog("Starting TLS server listening on :8001"),
+		WaitingFor: wait.ForHTTP("/geo").
+			WithTLS(true, &tls.Config{InsecureSkipVerify: true}).
+			WithPort("8001"),
 		Mounts: testcontainers.Mounts(
 			testcontainers.BindMount(
 				filepath.Join(dir, "/../test/GeoIP2-City-Test.mmdb"),
@@ -69,28 +75,84 @@ func TestContainerIntegration(t *testing.T) {
 		log.Fatal(err)
 	}
 	defer func() {
-		err := container.Terminate(ctx)
+		err = container.Terminate(ctx)
 		if err != nil {
 			log.Fatal(err)
 		}
 	}()
 
 	http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
-	for _, url := range []string{"http://localhost:8000", "https://localhost:8001"} {
-		client := &http.Client{}
-		req, _ := http.NewRequest("GET", url, nil)
-		req.Header.Set("Accept", "application/json")
-		resp, _ := client.Do(req)
-		assert.Equal(t, 200, resp.StatusCode)
 
-		body, err := io.ReadAll(resp.Body)
+	tests := []struct {
-		if err != nil {
+		name string
-			log.Fatal(err)
+		url  string
+		quic bool
+	}{
+		{
+			name: "RequestOverHTTP",
+			url:  "http://localhost:8000",
+			quic: false,
+		},
+		{
+			name: "RequestOverHTTPs",
+			url:  "https://localhost:8001",
+			quic: false,
+		},
+		{
+			name: "RequestOverUDPWithQuic",
+			url:  "https://localhost:8001",
+			quic: true,
+		},
 	}
 
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			req, _ := http.NewRequest("GET", tt.url, nil)
+			req.Header.Set("Accept", "application/json")
+
+			var resp *http.Response
+			var body []byte
+			if tt.quic {
+				resp, body, err = doQuicRequest(req)
+			} else {
+				client := &http.Client{}
+				resp, _ = client.Do(req)
+				body, err = io.ReadAll(resp.Body)
+				if strings.Contains(tt.url, "https://") {
+					assert.Equal(t, `h3=":8001"; ma=2592000,h3-29=":8001"; ma=2592000`, resp.Header.Get("Alt-Svc"))
+				}
+			}
+			assert.NoError(t, err)
+			assert.Equal(t, 200, resp.StatusCode)
+
 			assert.NoError(t, json.Unmarshal(body, &router.JSONResponse{}))
 			assert.Equal(t, "DENY", resp.Header.Get("X-Frame-Options"))
 			assert.Equal(t, "nosniff", resp.Header.Get("X-Content-Type-Options"))
 			assert.Equal(t, "1; mode=block", resp.Header.Get("X-Xss-Protection"))
+		})
 	}
 }
+
+func doQuicRequest(req *http.Request) (*http.Response, []byte, error) {
+	roundTripper := &http3.RoundTripper{
+		TLSClientConfig: &tls.Config{
+			InsecureSkipVerify: true,
+		},
+		QuicConfig: &quic.Config{},
+	}
+	defer roundTripper.Close()
+
+	client := &http.Client{
+		Transport: roundTripper,
+	}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	defer resp.Body.Close()
+	body, _ := io.ReadAll(resp.Body)
+
+	return resp, body, nil
+}

internal/setting/app.go

@@ -29,6 +29,7 @@ type settings struct {
 	TrustedHeader       string
 	TrustedPortHeader   string
 	EnableSecureHeaders bool
+	EnableHTTP3         bool
 	Server              serverSettings
 	version             bool
 }
@@ -89,6 +90,12 @@ func Setup(args []string) (output string, err error) {
 		false,
 		"Add sane security-related headers to every response",
 	)
+	flags.BoolVar(
+		&App.EnableHTTP3,
+		"enable-http3",
+		false,
+		"Enable HTTP/3 protocol. HTTP/3 requires --tls-bind set, as HTTP/3 starts as a TLS connection that then gets upgraded to UDP. The UDP port is the same as the one used for the TLS server.",
+	)
 
 	err = flags.Parse(args)
 	if err != nil {
@@ -100,24 +107,28 @@ func Setup(args []string) (output string, err error) {
 	}
 
 	if App.TrustedPortHeader != "" && App.TrustedHeader == "" {
-		return "", fmt.Errorf("truster-header is mandatory when truster-port-header is set\n")
+		return "", fmt.Errorf("truster-header is mandatory when truster-port-header is set")
 	}
 
 	if App.GeodbPath.City == "" || App.GeodbPath.ASN == "" {
-		return "", fmt.Errorf("geoip2-city and geoip2-asn parameters are mandatory\n")
+		return "", fmt.Errorf("geoip2-city and geoip2-asn parameters are mandatory")
 	}
 
 	if (App.TLSAddress != "") && (App.TLSCrtPath == "" || App.TLSKeyPath == "") {
-		return "", fmt.Errorf("In order to use TLS -tls-crt and -tls-key flags are mandatory\n")
+		return "", fmt.Errorf("in order to use TLS, the -tls-crt and -tls-key flags are mandatory")
+	}
+
+	if App.EnableHTTP3 && App.TLSAddress == "" {
+		return "", fmt.Errorf("in order to use HTTP3, the -tls-bind is mandatory")
 	}
 
 	if App.TemplatePath != "" {
 		info, err := os.Stat(App.TemplatePath)
 		if os.IsNotExist(err) {
-			return "", fmt.Errorf("%s no such file or directory\n", App.TemplatePath)
+			return "", fmt.Errorf("%s no such file or directory", App.TemplatePath)
 		}
 		if info.IsDir() {
-			return "", fmt.Errorf("%s must be a file\n", App.TemplatePath)
+			return "", fmt.Errorf("%s must be a file", App.TemplatePath)
 		}
 	}
 

internal/setting/app_test.go

@@ -41,6 +41,11 @@ func TestParseMandatoryFlags(t *testing.T) {
 				"-tls-key", "/key-path",
 			},
 		},
+		{
+			[]string{
+				"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path", "-enable-http3",
+			},
+		},
 		{
 			[]string{
 				"-geoip2-city", "/city-path", "-geoip2-asn", "/asn-path", "-bind", ":8000",

models/geo.go

@@ -68,18 +68,10 @@ func CloseDBs() {
 
 // LookUp an IP and get city data
 func (record *GeoRecord) LookUp(ip net.IP) error {
-	if err := db.city.Lookup(ip, record); err != nil {
+	return db.city.Lookup(ip, record)
-		return err
-	}
-
-	return nil
 }
 
 // LookUp an IP and get ASN data
 func (record *ASNRecord) LookUp(ip net.IP) error {
-	if err := db.asn.Lookup(ip, record); err != nil {
+	return db.asn.Lookup(ip, record)
-		return err
-	}
-
-	return nil
 }

server/quic_server.go

@@ -0,0 +1,54 @@
+package server
+
+import (
+	"context"
+	"log"
+	"net/http"
+
+	"github.com/dcarrillo/whatismyip/internal/setting"
+	"github.com/quic-go/quic-go/http3"
+)
+
+type QuicServer struct {
+	server    *http3.Server
+	tlsServer *TLSServer
+	ctx       context.Context
+}
+
+func NewQuicServer(ctx context.Context, tlsServer *TLSServer) *QuicServer {
+	return &QuicServer{
+		tlsServer: tlsServer,
+		ctx:       ctx,
+	}
+}
+
+func (q *QuicServer) Start() {
+	q.server = &http3.Server{
+		Addr:    setting.App.TLSAddress,
+		Handler: q.tlsServer.server.Handler,
+	}
+
+	parentHandler := q.tlsServer.server.Handler
+	q.tlsServer.server.Handler = http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+		if err := q.server.SetQuicHeaders(rw.Header()); err != nil {
+			log.Fatal(err)
+		}
+
+		parentHandler.ServeHTTP(rw, req)
+	})
+
+	log.Printf("Starting QUIC server listening on %s (udp)", setting.App.TLSAddress)
+	go func() {
+		if err := q.server.ListenAndServeTLS(setting.App.TLSCrtPath, setting.App.TLSKeyPath); err != nil &&
+			err.Error() != "quic: Server closed" {
+			log.Fatal(err)
+		}
+	}()
+	log.Printf("Stopping QUIC server...")
+}
+
+func (q *QuicServer) Stop() {
+	if err := q.server.Close(); err != nil {
+		log.Printf("QUIC server forced to shutdown")
+	}
+}

server/server.go

@@ -0,0 +1,101 @@
+package server
+
+import (
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/dcarrillo/whatismyip/internal/setting"
+	"github.com/dcarrillo/whatismyip/models"
+	"golang.org/x/net/context"
+)
+
+type Server interface {
+	Start()
+	Stop()
+}
+
+type Factory struct {
+	tcpServer  *TCPServer
+	tlsServer  *TLSServer
+	quicServer *QuicServer
+}
+
+func Setup(ctx context.Context, handler http.Handler) *Factory {
+	var tcpServer *TCPServer
+	var tlsServer *TLSServer
+	var quicServer *QuicServer
+
+	if setting.App.BindAddress != "" {
+		tcpServer = NewTCPServer(ctx, &handler)
+	}
+
+	if setting.App.TLSAddress != "" {
+		tlsServer = NewTLSServer(ctx, &handler)
+		if setting.App.EnableHTTP3 {
+			quicServer = NewQuicServer(ctx, tlsServer)
+		}
+	}
+
+	return &Factory{
+		tcpServer:  tcpServer,
+		tlsServer:  tlsServer,
+		quicServer: quicServer,
+	}
+}
+
+func (w *Factory) Run() {
+	w.start()
+	log.Printf("Starting server handler...")
+	w.Watcher()
+}
+
+func (w *Factory) Watcher() {
+	signalChan := make(chan os.Signal, 3)
+	signal.Notify(signalChan, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM)
+	var s os.Signal
+
+	for {
+		s = <-signalChan
+
+		if s == syscall.SIGHUP {
+			w.stop()
+			models.CloseDBs()
+			models.Setup(setting.App.GeodbPath.City, setting.App.GeodbPath.ASN)
+			w.start()
+		} else {
+			log.Printf("Shutting down...")
+			w.stop()
+			models.CloseDBs()
+			break
+		}
+	}
+}
+
+func (w *Factory) start() {
+	if w.tcpServer != nil {
+		w.tcpServer.Start()
+	}
+
+	if w.tlsServer != nil {
+		w.tlsServer.Start()
+		if w.quicServer != nil {
+			w.quicServer.Start()
+		}
+	}
+}
+
+func (w *Factory) stop() {
+	if w.tcpServer != nil {
+		w.tcpServer.Stop()
+	}
+
+	if w.tlsServer != nil {
+		if w.quicServer != nil {
+			w.quicServer.Stop()
+		}
+		w.tlsServer.Stop()
+	}
+}

server/tcp_server.go

@@ -0,0 +1,46 @@
+package server
+
+import (
+	"context"
+	"errors"
+	"log"
+	"net/http"
+
+	"github.com/dcarrillo/whatismyip/internal/setting"
+)
+
+type TCPServer struct {
+	server  *http.Server
+	handler *http.Handler
+	ctx     context.Context
+}
+
+func NewTCPServer(ctx context.Context, handler *http.Handler) *TCPServer {
+	return &TCPServer{
+		handler: handler,
+		ctx:     ctx,
+	}
+}
+
+func (t *TCPServer) Start() {
+	t.server = &http.Server{
+		Addr:         setting.App.BindAddress,
+		Handler:      *t.handler,
+		ReadTimeout:  setting.App.Server.ReadTimeout,
+		WriteTimeout: setting.App.Server.WriteTimeout,
+	}
+
+	log.Printf("Starting TCP server listening on %s", setting.App.BindAddress)
+	go func() {
+		if err := t.server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
+			log.Fatal(err)
+		}
+	}()
+	log.Printf("Stopping TCP server...")
+}
+
+func (t *TCPServer) Stop() {
+	if err := t.server.Shutdown(t.ctx); err != nil {
+		log.Printf("TCP server forced to shutdown: %s", err)
+	}
+}

server/tls_server.go

@@ -0,0 +1,47 @@
+package server
+
+import (
+	"context"
+	"errors"
+	"log"
+	"net/http"
+
+	"github.com/dcarrillo/whatismyip/internal/setting"
+)
+
+type TLSServer struct {
+	server  *http.Server
+	handler *http.Handler
+	ctx     context.Context
+}
+
+func NewTLSServer(ctx context.Context, handler *http.Handler) *TLSServer {
+	return &TLSServer{
+		handler: handler,
+		ctx:     ctx,
+	}
+}
+
+func (t *TLSServer) Start() {
+	t.server = &http.Server{
+		Addr:         setting.App.TLSAddress,
+		Handler:      *t.handler,
+		ReadTimeout:  setting.App.Server.ReadTimeout,
+		WriteTimeout: setting.App.Server.WriteTimeout,
+	}
+
+	log.Printf("Starting TLS server listening on %s", setting.App.TLSAddress)
+	go func() {
+		if err := t.server.ListenAndServeTLS(setting.App.TLSCrtPath, setting.App.TLSKeyPath); err != nil &&
+			!errors.Is(err, http.ErrServerClosed) {
+			log.Fatal(err)
+		}
+	}()
+	log.Printf("Stopping TLS server...")
+}
+
+func (t *TLSServer) Stop() {
+	if err := t.server.Shutdown(t.ctx); err != nil {
+		log.Printf("TLS server forced to shutdown: %s", err)
+	}
+}