httputil: debug transport layer

go.mod

@@ -69,6 +69,7 @@ require (
 	github.com/docker/go-connections v0.5.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/fatih/color v1.17.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/getsentry/sentry-go v0.12.0 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect

go.sum

@@ -186,6 +186,8 @@ github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.m
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/etcd-io/bbolt v1.3.3/go.mod h1:ZF2nL25h33cCyBtcyWeZ2/I3HQOfTP+0PIEvHjkjCrw=
 github.com/fasthttp-contrib/websocket v0.0.0-20160511215533-1f3b11f56072/go.mod h1:duJ4Jxv5lDcvg4QuQr0oowTf7dz4/CR8NtyCooz9HL8=
+github.com/fatih/color v1.17.0 h1:GlRw1BRJxkpqUCBKzKOw098ed57fEsKeNjpTe3cSjK4=
+github.com/fatih/color v1.17.0/go.mod h1:YZ7TlrGPkiz6ku9fK3TLD/pl3CpsiFyu8N92HLgmosI=
 github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=

httputil/debug_transport_body.go

@@ -0,0 +1,51 @@
+package httputil
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"net/http"
+
+	"github.com/fatih/color"
+)
+
+var DebugHTTPColorJSON = &http.Client{ //nolint:gochecknoglobals
+	Transport: &logJSONTransport{http.DefaultTransport},
+}
+
+type logJSONTransport struct {
+	Transport http.RoundTripper
+}
+
+func (t *logJSONTransport) RoundTrip(req *http.Request) (*http.Response, error) {
+	requestBody, err := io.ReadAll(req.Body)
+	if err != nil {
+		return nil, err
+	}
+	req.Body = io.NopCloser(bytes.NewBuffer(requestBody))
+
+	var requestBodyJSON bytes.Buffer
+	if err := json.Indent(&requestBodyJSON, requestBody, "", " "); err != nil {
+		return nil, err
+	}
+	color.Blue(requestBodyJSON.String()) //nolint:forbidigo
+
+	resp, err := t.Transport.RoundTrip(req)
+	if err != nil {
+		return nil, err
+	}
+
+	responseBody, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+	resp.Body = io.NopCloser(bytes.NewBuffer(responseBody))
+
+	var responseBodyJSON bytes.Buffer
+	if err := json.Indent(&responseBodyJSON, responseBody, "", " "); err != nil {
+		return nil, err
+	}
+	color.Green(responseBodyJSON.String()) //nolint:forbidigo
+
+	return resp, nil
+}