Added logging to AWS api calls. #46969

pkg/cloudprovider/providers/aws/aws.go

@@ -480,6 +480,20 @@ func (p *awsSDKProvider) addHandlers(regionName string, h *request.Handlers) {
 			Fn:   delayer.AfterRetry,
 		})
 	}
+
+	p.addAPILoggingHandlers(h)
+}
+
+func (p *awsSDKProvider) addAPILoggingHandlers(h *request.Handlers) {
+	h.Send.PushBackNamed(request.NamedHandler{
+		Name: "k8s/api-request",
+		Fn:   awsSendHandlerLogger,
+	})
+
+	h.ValidateResponse.PushFrontNamed(request.NamedHandler{
+		Name: "k8s/api-validate-response",
+		Fn:   awsValidateResponseHandlerLogger,
+	})
 }
 
 // Get a CrossRequestRetryDelay, scoped to the region, not to the request.
@@ -550,6 +564,7 @@ func (p *awsSDKProvider) Autoscaling(regionName string) (ASG, error) {
 
 func (p *awsSDKProvider) Metadata() (EC2Metadata, error) {
 	client := ec2metadata.New(session.New(&aws.Config{}))
+	p.addAPILoggingHandlers(&client.Handlers)
 	return client, nil
 }
 

pkg/cloudprovider/providers/aws/log_handler.go

@@ -23,12 +23,26 @@ import (
 
 // Handler for aws-sdk-go that logs all requests
 func awsHandlerLogger(req *request.Request) {
+	service, name := awsServiceAndName(req)
+	glog.V(4).Infof("AWS request: %s %s", service, name)
+}
+
+func awsSendHandlerLogger(req *request.Request) {
+	service, name := awsServiceAndName(req)
+	glog.V(4).Infof("AWS API Send: %s %s %v %v", service, name, req.Operation, req.Params)
+}
+
+func awsValidateResponseHandlerLogger(req *request.Request) {
+	service, name := awsServiceAndName(req)
+	glog.V(4).Infof("AWS API ValidateResponse: %s %s %v %v %s", service, name, req.Operation, req.Params, req.HTTPResponse.Status)
+}
+
+func awsServiceAndName(req *request.Request) (string, string) {
 	service := req.ClientInfo.ServiceName
 
 	name := "?"
 	if req.Operation != nil {
 		name = req.Operation.Name
 	}
-
-	glog.V(4).Infof("AWS request: %s %s", service, name)
+	return service, name
 }