diff options
Diffstat (limited to 'vendor/github.com/aws/aws-sdk-go/aws/client/logger.go')
-rw-r--r-- | vendor/github.com/aws/aws-sdk-go/aws/client/logger.go | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/aws/client/logger.go b/vendor/github.com/aws/aws-sdk-go/aws/client/logger.go new file mode 100644 index 0000000..1f39c91 --- /dev/null +++ b/vendor/github.com/aws/aws-sdk-go/aws/client/logger.go @@ -0,0 +1,108 @@ +package client + +import ( + "bytes" + "fmt" + "io" + "io/ioutil" + "net/http/httputil" + + "github.com/aws/aws-sdk-go/aws" + "github.com/aws/aws-sdk-go/aws/request" +) + +const logReqMsg = `DEBUG: Request %s/%s Details: +---[ REQUEST POST-SIGN ]----------------------------- +%s +-----------------------------------------------------` + +const logReqErrMsg = `DEBUG ERROR: Request %s/%s: +---[ REQUEST DUMP ERROR ]----------------------------- +%s +------------------------------------------------------` + +type logWriter struct { + // Logger is what we will use to log the payload of a response. + Logger aws.Logger + // buf stores the contents of what has been read + buf *bytes.Buffer +} + +func (logger *logWriter) Write(b []byte) (int, error) { + return logger.buf.Write(b) +} + +type teeReaderCloser struct { + // io.Reader will be a tee reader that is used during logging. + // This structure will read from a body and write the contents to a logger. + io.Reader + // Source is used just to close when we are done reading. + Source io.ReadCloser +} + +func (reader *teeReaderCloser) Close() error { + return reader.Source.Close() +} + +func logRequest(r *request.Request) { + logBody := r.Config.LogLevel.Matches(aws.LogDebugWithHTTPBody) + dumpedBody, err := httputil.DumpRequestOut(r.HTTPRequest, logBody) + if err != nil { + r.Config.Logger.Log(fmt.Sprintf(logReqErrMsg, r.ClientInfo.ServiceName, r.Operation.Name, err)) + return + } + + if logBody { + // Reset the request body because dumpRequest will re-wrap the r.HTTPRequest's + // Body as a NoOpCloser and will not be reset after read by the HTTP + // client reader. + r.ResetBody() + } + + r.Config.Logger.Log(fmt.Sprintf(logReqMsg, r.ClientInfo.ServiceName, r.Operation.Name, string(dumpedBody))) +} + +const logRespMsg = `DEBUG: Response %s/%s Details: +---[ RESPONSE ]-------------------------------------- +%s +-----------------------------------------------------` + +const logRespErrMsg = `DEBUG ERROR: Response %s/%s: +---[ RESPONSE DUMP ERROR ]----------------------------- +%s +-----------------------------------------------------` + +func logResponse(r *request.Request) { + lw := &logWriter{r.Config.Logger, bytes.NewBuffer(nil)} + r.HTTPResponse.Body = &teeReaderCloser{ + Reader: io.TeeReader(r.HTTPResponse.Body, lw), + Source: r.HTTPResponse.Body, + } + + handlerFn := func(req *request.Request) { + body, err := httputil.DumpResponse(req.HTTPResponse, false) + if err != nil { + lw.Logger.Log(fmt.Sprintf(logRespErrMsg, req.ClientInfo.ServiceName, req.Operation.Name, err)) + return + } + + b, err := ioutil.ReadAll(lw.buf) + if err != nil { + lw.Logger.Log(fmt.Sprintf(logRespErrMsg, req.ClientInfo.ServiceName, req.Operation.Name, err)) + return + } + lw.Logger.Log(fmt.Sprintf(logRespMsg, req.ClientInfo.ServiceName, req.Operation.Name, string(body))) + if req.Config.LogLevel.Matches(aws.LogDebugWithHTTPBody) { + lw.Logger.Log(string(b)) + } + } + + const handlerName = "awsdk.client.LogResponse.ResponseBody" + + r.Handlers.Unmarshal.SetBackNamed(request.NamedHandler{ + Name: handlerName, Fn: handlerFn, + }) + r.Handlers.UnmarshalError.SetBackNamed(request.NamedHandler{ + Name: handlerName, Fn: handlerFn, + }) +} |