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logging.go
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logging.go
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package http
import (
"net/http"
"net/http/httputil"
"time"
log "github.com/sirupsen/logrus"
)
// NewLoggingRoundTripper creates a new logging roundtripper
func NewLoggingRoundTripper(rt http.RoundTripper) http.RoundTripper {
return LoggingRoundTripper{
Next: rt,
}
}
// LoggingRoundTripper logs a request-response
type LoggingRoundTripper struct {
Next http.RoundTripper
}
// RoundTrip logs a request-response
func (l LoggingRoundTripper) RoundTrip(r *http.Request) (*http.Response, error) {
req, _ := httputil.DumpRequestOut(r, true)
var roundTripper http.RoundTripper
if l.Next != nil {
roundTripper = l.Next
} else {
roundTripper = http.DefaultTransport
}
start := time.Now()
resp, err := roundTripper.RoundTrip(r)
took := time.Since(start)
var res []byte
if resp != nil {
res, _ = httputil.DumpResponse(resp, true)
}
logger := log.WithFields(log.Fields{
"host": r.Host,
"took": took,
"request": string(req),
"response": string(res),
})
logger.Trace("http request")
return resp, err
}