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Log username on successful requests

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Currently, "response completed with error" log lines include an
`auth.user.name` key, but successful "response completed" lines do not
include this, because they are logged a few stack frames up where
`auth.user.name` is not present on the `Context`. Move the successful
request logging inside the `dispatcher` closure, where the logger on the
context automatically includes this key.

Signed-off-by: Aaron Lehmann <alehmann@netflix.com>
This commit is contained in:
Aaron Lehmann 2022-09-16 17:08:57 -07:00
parent 9b629737cb
commit a811c1bb57
1 changed files with 12 additions and 16 deletions
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28
registry/handlers/app.go
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@ -645,13 +645,6 @@ func (app *App) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ctx = dcontext.WithLogger(ctx, dcontext.GetRequestLogger(ctx))
r = r.WithContext(ctx)
defer func() {
status, ok := ctx.Value("http.response.status").(int)
if ok && status >= 200 && status <= 399 {
dcontext.GetResponseLogger(r.Context()).Infof("response completed")
}
}()
// Set a header with the Docker Distribution API Version for all responses.
w.Header().Add("Docker-Distribution-API-Version", "registry/2.0")
app.router.ServeHTTP(w, r)
@ -678,6 +671,18 @@ func (app *App) dispatcher(dispatch dispatchFunc) http.Handler {
context := app.context(w, r)
defer func() {
// Automated error response handling here. Handlers may return their
// own errors if they need different behavior (such as range errors
// for layer upload).
if context.Errors.Len() > 0 {
_ = errcode.ServeJSON(w, context.Errors)
app.logError(context, context.Errors)
} else if status, ok := context.Value("http.response.status").(int); ok && status >= 200 && status <= 399 {
dcontext.GetResponseLogger(context).Infof("response completed")
}
}()
if err := app.authorized(w, r, context); err != nil {
dcontext.GetLogger(context).Warnf("error authorizing context: %v", err)
return
@ -740,16 +745,7 @@ func (app *App) dispatcher(dispatch dispatchFunc) http.Handler {
}
dispatch(context, r).ServeHTTP(w, r)
// Automated error response handling here. Handlers may return their
// own errors if they need different behavior (such as range errors
// for layer upload).
if context.Errors.Len() > 0 {
if err := errcode.ServeJSON(w, context.Errors); err != nil {
dcontext.GetLogger(context).Errorf("error serving error json: %v (from %v)", err, context.Errors)
}
app.logError(context, context.Errors)
}
})
}