proxy access log

Signed-off-by: Jörn Friedrich Dreyer <jfd@butonic.de>

proxy/pkg/proxy/policy/selector.go

@@ -20,6 +20,20 @@ var (
 	ErrUnexpectedConfigError = fmt.Errorf("could not initialize policy-selector for given config")
 )
 
+// policyKey serves as key for the routing policy in the context
+var policyKey struct{}
+
+// ContextGetPolicy returns the policy if set in the given context.
+func ContextGetPolicy(ctx context.Context) string {
+	u, _ := ctx.Value(policyKey).(string)
+	return u
+}
+
+// ContextSetPolicy stores the selected policy in the context.
+func ContextSetPolicy(ctx context.Context, p string) context.Context {
+	return context.WithValue(ctx, policyKey, p)
+}
+
 // Selector is a function which selects a proxy-policy based on the request.
 //
 // A policy is a random name which identifies a set of proxy-routes:

proxy/pkg/proxy/proxy.go

@@ -146,12 +146,7 @@ func (p *MultiHostReverseProxy) directorSelectionDirector(r *http.Request) {
 					Str("routeType", string(rt)).
 					Msg("director found")
 
-				p.logger.Info().
-					Str("method", r.Method).
-					Str("path", r.Method).
-					Str("from", r.RemoteAddr).
-					Msg("access-log")
-
+				r = r.WithContext(policy.ContextSetPolicy(r.Context(), pol))
 				p.Directors[pol][rt][endpoint](r)
 				return
 			}