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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
// Package nrawssdk instruments https://github.com/aws/aws-sdk-go-v2 requests.
package nrawssdk
import (
"github.com/aws/aws-sdk-go-v2/aws"
internal "github.com/newrelic/go-agent/_integrations/nrawssdk/internal"
agentinternal "github.com/newrelic/go-agent/internal"
)
func init() { agentinternal.TrackUsage("integration", "library", "aws-sdk-go-v2") }
func startSegment(req *aws.Request) {
input := internal.StartSegmentInputs{
HTTPRequest: req.HTTPRequest,
ServiceName: req.Metadata.ServiceName,
Operation: req.Operation.Name,
Region: req.Metadata.SigningRegion,
Params: req.Params,
}
req.HTTPRequest = internal.StartSegment(input)
}
func endSegment(req *aws.Request) {
ctx := req.HTTPRequest.Context()
internal.EndSegment(ctx, req.HTTPResponse.Header)
}
// InstrumentHandlers will add instrumentation to the given *aws.Handlers.
//
// A Segment will be created for each out going request. The Transaction must
// be added to the `http.Request`'s Context in order for the segment to be
// recorded. For DynamoDB calls, these segments will be
// `newrelic.DatastoreSegment` type and for all others they will be
// `newrelic.ExternalSegment` type.
//
// Additional attributes will be added to Transaction Trace Segments and Span
// Events: aws.region, aws.requestId, and aws.operation.
//
// To add instrumentation to a Config and see segments created for each
// invocation that uses that Config, call InstrumentHandlers with the config's
// Handlers and add the current Transaction to the `http.Request`'s Context:
//
// cfg, _ := external.LoadDefaultAWSConfig()
// cfg.Region = "us-west-2"
// // Add instrumentation to handlers
// nrawssdk.InstrumentHandlers(&cfg.Handlers)
// lambdaClient = lambda.New(cfg)
//
// req := lambdaClient.InvokeRequest(&lambda.InvokeInput{
// ClientContext: aws.String("MyApp"),
// FunctionName: aws.String("Function"),
// InvocationType: lambda.InvocationTypeEvent,
// LogType: lambda.LogTypeTail,
// Payload: []byte("{}"),
// }
// // Add txn to http.Request's context
// ctx := newrelic.NewContext(req.Context(), txn)
// resp, err := req.Send(ctx)
//
// To add instrumentation to a Request and see a segment created just for the
// individual request, call InstrumentHandlers with the `aws.Request`'s
// Handlers and add the current Transaction to the `http.Request`'s Context:
//
// req := lambdaClient.InvokeRequest(&lambda.InvokeInput{
// ClientContext: aws.String("MyApp"),
// FunctionName: aws.String("Function"),
// InvocationType: lambda.InvocationTypeEvent,
// LogType: lambda.LogTypeTail,
// Payload: []byte("{}"),
// }
// // Add instrumentation to handlers
// nrawssdk.InstrumentHandlers(&req.Handlers)
// // Add txn to http.Request's context
// ctx := newrelic.NewContext(req.Context(), txn)
// resp, err := req.Send(ctx)
func InstrumentHandlers(handlers *aws.Handlers) {
handlers.Send.SetFrontNamed(aws.NamedHandler{
Name: "StartNewRelicSegment",
Fn: startSegment,
})
handlers.Send.SetBackNamed(aws.NamedHandler{
Name: "EndNewRelicSegment",
Fn: endSegment,
})
}
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