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Improve tracing

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Michael 2019-06-28 00:16:04 +02:00 • committed by Traefiker Bot
parent 4245096be4
commit 84d7c65039
23 changed files with 924 additions and 411 deletions
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72
pkg/server/server.go
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@ -20,10 +20,7 @@ import (
"github.com/containous/traefik/pkg/server/middleware"
"github.com/containous/traefik/pkg/tls"
"github.com/containous/traefik/pkg/tracing"
"github.com/containous/traefik/pkg/tracing/datadog"
"github.com/containous/traefik/pkg/tracing/instana"
"github.com/containous/traefik/pkg/tracing/jaeger"
"github.com/containous/traefik/pkg/tracing/zipkin"
"github.com/containous/traefik/pkg/types"
)
@ -53,20 +50,52 @@ type RouteAppenderFactory interface {
NewAppender(ctx context.Context, middlewaresBuilder *middleware.Builder, runtimeConfiguration *config.RuntimeConfiguration) types.RouteAppender
}
func setupTracing(conf *static.Tracing) tracing.TrackingBackend {
switch conf.Backend {
case jaeger.Name:
return conf.Jaeger
case zipkin.Name:
return conf.Zipkin
case datadog.Name:
return conf.DataDog
case instana.Name:
return conf.Instana
default:
log.WithoutContext().Warnf("Could not initialize tracing: unknown tracer %q", conf.Backend)
return nil
func setupTracing(conf *static.Tracing) tracing.Backend {
var backend tracing.Backend
if conf.Jaeger != nil {
backend = conf.Jaeger
}
if conf.Zipkin != nil {
if backend != nil {
log.WithoutContext().Error("Multiple tracing backend are not supported: cannot create Zipkin backend.")
} else {
backend = conf.Zipkin
}
}
if conf.DataDog != nil {
if backend != nil {
log.WithoutContext().Error("Multiple tracing backend are not supported: cannot create DataDog backend.")
} else {
backend = conf.DataDog
}
}
if conf.Instana != nil {
if backend != nil {
log.WithoutContext().Error("Multiple tracing backend are not supported: cannot create Instana backend.")
} else {
backend = conf.Instana
}
}
if conf.Haystack != nil {
if backend != nil {
log.WithoutContext().Error("Multiple tracing backend are not supported: cannot create Haystack backend.")
} else {
backend = conf.Haystack
}
}
if backend == nil {
log.WithoutContext().Debug("Could not initialize tracing, use Jaeger by default")
backend := &jaeger.Config{}
backend.SetDefaults()
}
return backend
}
// NewServer returns an initialized Server.
@ -100,11 +129,12 @@ func NewServer(staticConfiguration static.Configuration, provider provider.Provi
server.routinesPool = safe.NewPool(context.Background())
if staticConfiguration.Tracing != nil {
trackingBackend := setupTracing(staticConfiguration.Tracing)
var err error
server.tracer, err = tracing.NewTracing(staticConfiguration.Tracing.ServiceName, staticConfiguration.Tracing.SpanNameLimit, trackingBackend)
if err != nil {
log.WithoutContext().Warnf("Unable to create tracer: %v", err)
tracingBackend := setupTracing(staticConfiguration.Tracing)
if tracingBackend != nil {
server.tracer, err = tracing.NewTracing(staticConfiguration.Tracing.ServiceName, staticConfiguration.Tracing.SpanNameLimit, tracingBackend)
if err != nil {
log.WithoutContext().Warnf("Unable to create tracer: %v", err)
}
}
}