Bump github.com/uber/jaeger-client-go

Bumps [github.com/uber/jaeger-client-go](https://github.com/uber/jaeger-client-go) from 2.16.0+incompatible to 2.19.0+incompatible.
- [Release notes](https://github.com/uber/jaeger-client-go/releases)
- [Changelog](https://github.com/jaegertracing/jaeger-client-go/blob/master/CHANGELOG.md)
- [Commits](https://github.com/uber/jaeger-client-go/compare/v2.16.0...v2.19.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

vendor/github.com/uber/jaeger-client-go/config/config.go

@@ -181,13 +181,14 @@ func (c Configuration) New(
 // NewTracer returns a new tracer based on the current configuration, using the given options,
 // and a closer func that can be used to flush buffers before shutdown.
 func (c Configuration) NewTracer(options ...Option) (opentracing.Tracer, io.Closer, error) {
+	if c.Disabled {
+		return &opentracing.NoopTracer{}, &nullCloser{}, nil
+	}
+
 	if c.ServiceName == "" {
 		return nil, nil, errors.New("no service name provided")
 	}
 
-	if c.Disabled {
-		return &opentracing.NoopTracer{}, &nullCloser{}, nil
-	}
 	opts := applyOptions(options...)
 	tracerMetrics := jaeger.NewMetrics(opts.metrics, nil)
 	if c.RPCMetrics {
@@ -234,6 +235,7 @@ func (c Configuration) NewTracer(options ...Option) (opentracing.Tracer, io.Clos
 		jaeger.TracerOptions.PoolSpans(opts.poolSpans),
 		jaeger.TracerOptions.ZipkinSharedRPCSpan(opts.zipkinSharedRPCSpan),
 		jaeger.TracerOptions.MaxTagValueLength(opts.maxTagValueLength),
+		jaeger.TracerOptions.NoDebugFlagOnForcedSampling(opts.noDebugFlagOnForcedSampling),
 	}
 
 	for _, tag := range opts.tags {

vendor/github.com/uber/jaeger-client-go/config/config_env.go

@@ -110,6 +110,9 @@ func samplerConfigFromEnv() (*SamplerConfig, error) {
 
 	if e := os.Getenv(envSamplerManagerHostPort); e != "" {
 		sc.SamplingServerURL = e
+	} else if e := os.Getenv(envAgentHost); e != "" {
+		// Fallback if we know the agent host - try the sampling endpoint there
+		sc.SamplingServerURL = fmt.Sprintf("http://%s:%d/sampling", e, jaeger.DefaultSamplingServerPort)
 	}
 
 	if e := os.Getenv(envSamplerMaxOperations); e != "" {

vendor/github.com/uber/jaeger-client-go/config/options.go

@@ -26,19 +26,20 @@ type Option func(c *Options)
 
 // Options control behavior of the client.
 type Options struct {
-	metrics             metrics.Factory
-	logger              jaeger.Logger
-	reporter            jaeger.Reporter
-	sampler             jaeger.Sampler
-	contribObservers    []jaeger.ContribObserver
-	observers           []jaeger.Observer
-	gen128Bit           bool
-	poolSpans           bool
-	zipkinSharedRPCSpan bool
-	maxTagValueLength   int
-	tags                []opentracing.Tag
-	injectors           map[interface{}]jaeger.Injector
-	extractors          map[interface{}]jaeger.Extractor
+	metrics                     metrics.Factory
+	logger                      jaeger.Logger
+	reporter                    jaeger.Reporter
+	sampler                     jaeger.Sampler
+	contribObservers            []jaeger.ContribObserver
+	observers                   []jaeger.Observer
+	gen128Bit                   bool
+	poolSpans                   bool
+	zipkinSharedRPCSpan         bool
+	maxTagValueLength           int
+	noDebugFlagOnForcedSampling bool
+	tags                        []opentracing.Tag
+	injectors                   map[interface{}]jaeger.Injector
+	extractors                  map[interface{}]jaeger.Extractor
 }
 
 // Metrics creates an Option that initializes Metrics in the tracer,
@@ -117,6 +118,14 @@ func MaxTagValueLength(maxTagValueLength int) Option {
 	}
 }
 
+// NoDebugFlagOnForcedSampling can be used to decide whether debug flag will be set or not
+// when calling span.setSamplingPriority to force sample a span.
+func NoDebugFlagOnForcedSampling(noDebugFlagOnForcedSampling bool) Option {
+	return func(c *Options) {
+		c.noDebugFlagOnForcedSampling = noDebugFlagOnForcedSampling
+	}
+}
+
 // Tag creates an option that adds a tracer-level tag.
 func Tag(key string, value interface{}) Option {
 	return func(c *Options) {