homelab/traefik
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Migrate to opentelemetry

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This commit is contained in:
Jesse Haka 2024-01-08 10:10:06 +02:00 • committed by GitHub
parent 45bb00be04
commit 4ddef9830b
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GPG key ID: 4AEE18F83AFDEB23
89 changed files with 2113 additions and 3898 deletions
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80
cmd/traefik/traefik.go
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@ -5,6 +5,7 @@ import (
"crypto/x509"
"encoding/json"
"fmt"
"io"
stdlog "log"
"net/http"
"os"
@ -43,9 +44,9 @@ import (
"github.com/traefik/traefik/v3/pkg/tcp"
traefiktls "github.com/traefik/traefik/v3/pkg/tls"
"github.com/traefik/traefik/v3/pkg/tracing"
"github.com/traefik/traefik/v3/pkg/tracing/jaeger"
"github.com/traefik/traefik/v3/pkg/types"
"github.com/traefik/traefik/v3/pkg/version"
"go.opentelemetry.io/otel/trace"
)
func main() {
@ -265,10 +266,9 @@ func setupServer(staticConfiguration *static.Configuration) (*server.Server, err
managerFactory := service.NewManagerFactory(*staticConfiguration, routinesPool, metricsRegistry, roundTripperManager, acmeHTTPHandler)
// Router factory
accessLog := setupAccessLog(staticConfiguration.AccessLog)
tracer := setupTracing(staticConfiguration.Tracing)
tracer, tracerCloser := setupTracing(staticConfiguration.Tracing)
chainBuilder := middleware.NewChainBuilder(metricsRegistry, accessLog, tracer)
routerFactory := server.NewRouterFactory(*staticConfiguration, managerFactory, tlsManager, chainBuilder, pluginBuilder, metricsRegistry, dialerManager)
@ -351,7 +351,7 @@ func setupServer(staticConfiguration *static.Configuration) (*server.Server, err
}
})
return server.NewServer(routinesPool, serverEntryPointsTCP, serverEntryPointsUDP, watcher, chainBuilder, accessLog), nil
return server.NewServer(routinesPool, serverEntryPointsTCP, serverEntryPointsUDP, watcher, chainBuilder, accessLog, tracerCloser), nil
}
func getHTTPChallengeHandler(acmeProviders []*acme.Provider, httpChallengeProvider http.Handler) http.Handler {
@ -564,78 +564,18 @@ func setupAccessLog(conf *types.AccessLog) *accesslog.Handler {
return accessLoggerMiddleware
}
func setupTracing(conf *static.Tracing) *tracing.Tracing {
func setupTracing(conf *static.Tracing) (trace.Tracer, io.Closer) {
if conf == nil {
return nil
return nil, nil
}
var backend tracing.Backend
if conf.Jaeger != nil {
backend = conf.Jaeger
}
if conf.Zipkin != nil {
if backend != nil {
log.Error().Msg("Multiple tracing backend are not supported: cannot create Zipkin backend.")
} else {
backend = conf.Zipkin
}
}
if conf.Datadog != nil {
if backend != nil {
log.Error().Msg("Multiple tracing backend are not supported: cannot create Datadog backend.")
} else {
backend = conf.Datadog
}
}
if conf.Instana != nil {
if backend != nil {
log.Error().Msg("Multiple tracing backend are not supported: cannot create Instana backend.")
} else {
backend = conf.Instana
}
}
if conf.Haystack != nil {
if backend != nil {
log.Error().Msg("Multiple tracing backend are not supported: cannot create Haystack backend.")
} else {
backend = conf.Haystack
}
}
if conf.Elastic != nil {
if backend != nil {
log.Error().Msg("Multiple tracing backend are not supported: cannot create Elastic backend.")
} else {
backend = conf.Elastic
}
}
if conf.OpenTelemetry != nil {
if backend != nil {
log.Error().Msg("Tracing backends are all mutually exclusive: cannot create OpenTelemetry backend.")
} else {
backend = conf.OpenTelemetry
}
}
if backend == nil {
log.Debug().Msg("Could not initialize tracing, using Jaeger by default")
defaultBackend := &jaeger.Config{}
defaultBackend.SetDefaults()
backend = defaultBackend
}
tracer, err := tracing.NewTracing(conf.ServiceName, conf.SpanNameLimit, backend)
tracer, closer, err := tracing.NewTracing(conf)
if err != nil {
log.Warn().Err(err).Msg("Unable to create tracer")
return nil
return nil, nil
}
return tracer
return tracer, closer
}
func checkNewVersion() {