Removing opentracing (#29965)

* Removing opentracing

* Fixing CI

server/platform/services/telemetry/telemetry.go

@@ -549,7 +549,6 @@ func (ts *TelemetryService) trackConfig() {
 		"enable_svgs":                                             *cfg.ServiceSettings.EnableSVGs,
 		"enable_latex":                                            *cfg.ServiceSettings.EnableLatex,
 		"enable_inline_latex":                                     *cfg.ServiceSettings.EnableInlineLatex,
-		"enable_opentracing":                                      *cfg.ServiceSettings.EnableOpenTracing,
 		"enable_local_mode":                                       *cfg.ServiceSettings.EnableLocalMode,
 		"managed_resource_paths":                                  isDefault(*cfg.ServiceSettings.ManagedResourcePaths, ""),
 		"thread_auto_follow":                                      *cfg.ServiceSettings.ThreadAutoFollow,

server/platform/services/tracing/tracing.go

@@ -1,87 +0,0 @@
-// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
-// See LICENSE.txt for license information.
-
-package tracing
-
-import (
-	"context"
-	"io"
-	"time"
-
-	opentracing "github.com/opentracing/opentracing-go"
-	"github.com/uber/jaeger-client-go"
-	jaegercfg "github.com/uber/jaeger-client-go/config"
-	"github.com/uber/jaeger-client-go/zipkin"
-	"github.com/uber/jaeger-lib/metrics"
-
-	"github.com/mattermost/mattermost/server/public/shared/mlog"
-)
-
-// Tracer is a wrapper around Jaeger OpenTracing client, used to properly de-initialize jaeger on exit
-type Tracer struct {
-	closer io.Closer
-}
-
-type LogrusAdapter struct {
-}
-
-// Error - logrus adapter for span errors
-func (LogrusAdapter) Error(msg string) {
-	mlog.Error(msg)
-}
-
-// Infof - logrus adapter for span info logging
-func (LogrusAdapter) Infof(msg string, args ...any) {
-	// we ignore Info messages from opentracing
-}
-
-// New instantiates Jaeger opentracing client with default options
-// To override the defaults use environment variables listed here: https://github.com/jaegertracing/jaeger-client-go/blob/master/config/config.go
-func New() (*Tracer, error) {
-	cfg := jaegercfg.Configuration{
-		Sampler: &jaegercfg.SamplerConfig{
-			Type:  jaeger.SamplerTypeConst,
-			Param: 1,
-		},
-		Reporter: &jaegercfg.ReporterConfig{
-			LogSpans: true,
-		},
-	}
-
-	zipkinPropagator := zipkin.NewZipkinB3HTTPHeaderPropagator()
-
-	closer, err := cfg.InitGlobalTracer(
-		"mattermost",
-		jaegercfg.Logger(LogrusAdapter{}),
-		jaegercfg.Metrics(metrics.NullFactory),
-		jaegercfg.Tag("serverStartTime", time.Now().UTC().Format(time.RFC3339)),
-		jaegercfg.Injector(opentracing.HTTPHeaders, zipkinPropagator),
-		jaegercfg.Extractor(opentracing.HTTPHeaders, zipkinPropagator),
-		jaegercfg.ZipkinSharedRPCSpan(true),
-	)
-	if err != nil {
-		return nil, err
-	}
-	mlog.Info("Opentracing initialized")
-	return &Tracer{
-		closer: closer,
-	}, nil
-}
-
-func (t *Tracer) Close() error {
-	return t.closer.Close()
-}
-
-func StartRootSpanByContext(ctx context.Context, operationName string) (opentracing.Span, context.Context) {
-	return opentracing.StartSpanFromContext(ctx, operationName)
-}
-
-func StartSpanWithParentByContext(ctx context.Context, operationName string) (opentracing.Span, context.Context) {
-	parentSpan := opentracing.SpanFromContext(ctx)
-
-	if parentSpan == nil {
-		return StartRootSpanByContext(ctx, operationName)
-	}
-
-	return opentracing.StartSpanFromContext(ctx, operationName, opentracing.ChildOf(parentSpan.Context()))
-}