-
Notifications
You must be signed in to change notification settings - Fork 10
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
PR: #22
- Loading branch information
Showing
9 changed files
with
695 additions
and
33 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| package api | ||
|
|
||
| // Copyright 2019 Vivino. All rights reserved | ||
| // | ||
| // See LICENSE file for license details | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/http" | ||
| "strings" | ||
| "sync" | ||
|
|
||
| "github.com/Vivino/rankdb/log" | ||
| "github.com/Vivino/rankdb/log/loggoa" | ||
| "github.com/goadesign/goa" | ||
| shutdown "github.com/klauspost/shutdown2" | ||
| "gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer" | ||
| ) | ||
|
|
||
| type DatadogOptions struct { | ||
| Enabled bool | ||
| } | ||
|
|
||
| type datadogApp struct{} | ||
|
|
||
| func (d *datadogApp) Enabled() bool { | ||
| return d != nil | ||
| } | ||
|
|
||
| var ddApp *datadogApp | ||
| var gitcommit string = "0000000000000000000000000000000000000000" | ||
|
|
||
| func InitDatadog(ctx context.Context, o DatadogOptions) { | ||
| if !o.Enabled { | ||
| log.Info(ctx, "Datadog disabled by config") | ||
| return | ||
| } | ||
| ddApp = &datadogApp{} | ||
| log.Info(ctx, "Datadog enabled", "gitcommit", gitcommit) | ||
| tracer.Start( | ||
| tracer.WithServiceVersion(gitcommit), | ||
| ) | ||
| log.Info(ctx, "Datadog tracer started") | ||
| shutdown.ThirdFn(func() { | ||
| // When the tracer is stopped, it will flush everything it has to the Datadog Agent before quitting. | ||
| // Make sure this line stays in your main function. | ||
| tracer.Stop() | ||
| log.Info(ctx, "Datadog tracer stopped") | ||
| }) | ||
| } | ||
|
|
||
| // DatadogTx creates a request datadog middleware. | ||
| func DatadogTx() goa.Middleware { | ||
| return func(h goa.Handler) goa.Handler { | ||
| return func(ctx context.Context, rw http.ResponseWriter, req *http.Request) error { | ||
| r := goa.ContextRequest(ctx) | ||
| span := tracer.StartSpan("web.request", | ||
| tracer.SpanType("web"), | ||
| tracer.ResourceName(goa.ContextController(ctx)+"."+goa.ContextAction(ctx)), | ||
| ) | ||
|
|
||
| span.SetTag("http.method", r.Method) | ||
| span.SetTag("http.url", r.URL.Path) | ||
| span.SetTag("source_ip", from(req)) | ||
|
|
||
| if len(r.Params) > 0 { | ||
| for k, v := range r.Params { | ||
| span.SetTag("param_"+k, `"`+strings.Join(v, `","`)+`"`) | ||
| } | ||
| } | ||
| ierr := func(msg string, keyvals ...interface{}) { | ||
| for len(keyvals) > 0 { | ||
| key := fmt.Sprint(keyvals[0]) | ||
| keyvals = keyvals[1:] | ||
| val := errMissingLogValue | ||
| if len(keyvals) > 0 { | ||
| val = fmt.Sprint(keyvals[0]) | ||
| keyvals = keyvals[1:] | ||
| } | ||
| span.SetTag(key, val) | ||
| } | ||
| } | ||
| var ninfo int | ||
| var mu sync.Mutex | ||
| iinfo := func(msg string, keyvals ...interface{}) { | ||
| mu.Lock() | ||
| n := ninfo | ||
| ninfo++ | ||
| mu.Unlock() | ||
| if n < 10 { | ||
| span.SetTag(fmt.Sprintf("info_msg_%d", n), formatMsg(msg, keyvals, false)) | ||
| } | ||
| } | ||
| intLogger := log.Intercept(log.Logger(ctx), iinfo, ierr) | ||
| ctx = goa.WithLogger(ctx, loggoa.WrapGoa(intLogger)) | ||
| ctx = log.WithLogger(ctx, intLogger) | ||
| var err error | ||
| defer func() { | ||
| resp := goa.ContextResponse(ctx) | ||
| span.SetTag("http.status_code", resp.Status) | ||
| span.SetTag("http.response.size", resp.Length) | ||
| if err != nil { | ||
| span.Finish(tracer.WithError(err)) | ||
| } else { | ||
| span.Finish() | ||
| } | ||
| }() | ||
| err = h(ctx, rw, req) | ||
| return err | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.