Merge pull request #5873 from tzneal/make-user-agent-more-informative

add cluster-autoscaler name and version to the user agent

cluster-autoscaler/cloudprovider/aws/aws_sdk_provider.go

@@ -27,7 +27,9 @@ import (
 	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/aws/aws-sdk-go/aws"
 	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/aws/aws-sdk-go/aws/ec2metadata"
 	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/aws/aws-sdk-go/aws/endpoints"
+	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/aws/aws-sdk-go/aws/request"
 	"k8s.io/autoscaler/cluster-autoscaler/cloudprovider/aws/aws-sdk-go/aws/session"
+	"k8s.io/autoscaler/cluster-autoscaler/version"
 	provider_aws "k8s.io/cloud-provider-aws/pkg/providers/v1"
 	"k8s.io/klog/v2"
 )
@@ -61,11 +63,14 @@ func createAWSSDKProvider(configReader io.Reader) (*awsSDKProvider, error) {
 	}
 
 	sess, err := session.NewSession(config)
-
 	if err != nil {
 		return nil, err
 	}
 
+	// add cluster-autoscaler to the user-agent to make it easier to identify
+	agent := fmt.Sprintf("cluster-autoscaler/v%s", version.ClusterAutoscalerVersion)
+	sess.Handlers.Build.PushBack(request.MakeAddToUserAgentFreeFormHandler(agent))
+
 	provider := &awsSDKProvider{
 		session: sess,
 	}