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wire.go
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wire.go
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// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package sentry
import (
"context"
"errors"
"time"
"github.com/getsentry/sentry-go"
sentryhttp "github.com/getsentry/sentry-go/http"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func Prepare(ctx context.Context, deps ExtensionDeps) error {
if err := sentry.Init(sentry.ClientOptions{
Dsn: string(deps.Dsn.MustValue()),
ServerName: deps.ServerInfo.ServerName,
Environment: deps.ServerInfo.EnvName,
Release: deps.ServerInfo.GetVcs().GetRevision(),
TracesSampleRate: 1.0, // XXX should be configurable.
}); err != nil {
return err
}
deps.Interceptors.ForServer(unaryInterceptor, streamInterceptor)
deps.Middleware.Add(sentryhttp.New(sentryhttp.Options{Repanic: true}).Handle)
return nil
}
func unaryInterceptor(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (result interface{}, err error) {
hub := sentry.GetHubFromContext(ctx)
if hub == nil {
hub = sentry.CurrentHub().Clone()
ctx = sentry.SetHubOnContext(ctx, hub)
}
span := sentry.StartSpan(ctx, "grpc.server", sentry.TransactionName(info.FullMethod))
defer span.Finish()
defer recoverAndReport(ctx, hub)
result, err = handler(span.Context(), req)
finalizeSpan(hub, span, err)
return result, err
}
func streamInterceptor(srv interface{}, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
ctx := ss.Context()
hub := sentry.GetHubFromContext(ctx)
if hub == nil {
hub = sentry.CurrentHub().Clone()
ctx = sentry.SetHubOnContext(ctx, hub)
}
span := sentry.StartSpan(ctx, "grpc.server", sentry.TransactionName(info.FullMethod))
defer span.Finish()
defer recoverAndReport(ctx, hub)
err := handler(srv, &serverStream{ServerStream: ss, ctx: span.Context()})
finalizeSpan(hub, span, err)
return err
}
func finalizeSpan(hub *sentry.Hub, span *sentry.Span, err error) {
if err != nil {
if errors.Is(err, context.Canceled) {
span.Status = sentry.SpanStatusCanceled
} else {
hub.CaptureException(err)
if st, ok := status.FromError(err); ok {
span.Status = statusFromGrpc(st.Code())
} else {
span.Status = sentry.SpanStatusUnknown
}
}
} else {
span.Status = sentry.SpanStatusOK
}
}
func statusFromGrpc(code codes.Code) sentry.SpanStatus {
switch code {
case codes.OK:
return sentry.SpanStatusOK
case codes.InvalidArgument:
return sentry.SpanStatusInvalidArgument
case codes.DeadlineExceeded:
return sentry.SpanStatusDeadlineExceeded
case codes.NotFound:
return sentry.SpanStatusNotFound
case codes.AlreadyExists:
return sentry.SpanStatusAlreadyExists
case codes.PermissionDenied:
return sentry.SpanStatusPermissionDenied
case codes.ResourceExhausted:
return sentry.SpanStatusResourceExhausted
case codes.FailedPrecondition:
return sentry.SpanStatusFailedPrecondition
case codes.Aborted:
return sentry.SpanStatusAborted
case codes.OutOfRange:
return sentry.SpanStatusOutOfRange
case codes.Unimplemented:
return sentry.SpanStatusUnimplemented
case codes.Internal:
return sentry.SpanStatusInternalError
case codes.Unavailable:
return sentry.SpanStatusUnavailable
case codes.DataLoss:
return sentry.SpanStatusDataLoss
case codes.Unauthenticated:
return sentry.SpanStatusUnauthenticated
}
return sentry.SpanStatusUnknown
}
func recoverAndReport(ctx context.Context, hub *sentry.Hub) {
if err := recover(); err != nil {
eventID := hub.RecoverWithContext(ctx, err)
if eventID != nil {
hub.Flush(2 * time.Second)
}
panic(err)
}
}
type serverStream struct {
grpc.ServerStream
ctx context.Context
}
func (w *serverStream) Context() context.Context {
return w.ctx
}