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

Bumps [github.com/uber/jaeger-client-go](https://github.com/uber/jaeger-client-go) from 2.23.1+incompatible to 2.24.0+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/v2.23.1...v2.24.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

2 files changed, 34 insertions, 24 deletions

diff --git a/vendor/github.com/uber/jaeger-client-go/config/config.go b/vendor/github.com/uber/jaeger-client-go/config/config.go
index 44e93533c..e6ffb987d 100644
--- a/vendor/github.com/uber/jaeger-client-go/config/config.go
+++ b/vendor/github.com/uber/jaeger-client-go/config/config.go
@@ -36,16 +36,16 @@ const defaultSamplingProbability = 0.001
 // Configuration configures and creates Jaeger Tracer
 type Configuration struct {
 	// ServiceName specifies the service name to use on the tracer.
-	// Can be provided via environment variable named JAEGER_SERVICE_NAME
+	// Can be provided by FromEnv() via the environment variable named JAEGER_SERVICE_NAME
 	ServiceName string `yaml:"serviceName"`
 
-	// Disabled can be provided via environment variable named JAEGER_DISABLED
+	// Disabled can be provided by FromEnv() via the environment variable named JAEGER_DISABLED
 	Disabled bool `yaml:"disabled"`
 
-	// RPCMetrics can be provided via environment variable named JAEGER_RPC_METRICS
+	// RPCMetrics can be provided by FromEnv() via the environment variable named JAEGER_RPC_METRICS
 	RPCMetrics bool `yaml:"rpc_metrics"`
 
-	// Tags can be provided via environment variable named JAEGER_TAGS
+	// Tags can be provided by FromEnv() via the environment variable named JAEGER_TAGS
 	Tags []opentracing.Tag `yaml:"tags"`
 
 	Sampler             *SamplerConfig             `yaml:"sampler"`
@@ -57,8 +57,8 @@ type Configuration struct {
 
 // SamplerConfig allows initializing a non-default sampler.  All fields are optional.
 type SamplerConfig struct {
-	// Type specifies the type of the sampler: const, probabilistic, rateLimiting, or remote
-	// Can be set by exporting an environment variable named JAEGER_SAMPLER_TYPE
+	// Type specifies the type of the sampler: const, probabilistic, rateLimiting, or remote.
+	// Can be provided by FromEnv() via the environment variable named JAEGER_SAMPLER_TYPE
 	Type string `yaml:"type"`
 
 	// Param is a value passed to the sampler.
@@ -69,22 +69,23 @@ type SamplerConfig struct {
 	// - for "remote" sampler, param is the same as for "probabilistic"
 	//   and indicates the initial sampling rate before the actual one
 	//   is received from the mothership.
-	// Can be set by exporting an environment variable named JAEGER_SAMPLER_PARAM
+	// Can be provided by FromEnv() via the environment variable named JAEGER_SAMPLER_PARAM
 	Param float64 `yaml:"param"`
 
-	// SamplingServerURL is the address of jaeger-agent's HTTP sampling server
-	// Can be set by exporting an environment variable named JAEGER_SAMPLER_MANAGER_HOST_PORT
+	// SamplingServerURL is the URL of sampling manager that can provide
+	// sampling strategy to this service.
+	// Can be provided by FromEnv() via the environment variable named JAEGER_SAMPLING_ENDPOINT
 	SamplingServerURL string `yaml:"samplingServerURL"`
 
 	// SamplingRefreshInterval controls how often the remotely controlled sampler will poll
-	// jaeger-agent for the appropriate sampling strategy.
-	// Can be set by exporting an environment variable named JAEGER_SAMPLER_REFRESH_INTERVAL
+	// sampling manager for the appropriate sampling strategy.
+	// Can be provided by FromEnv() via the environment variable named JAEGER_SAMPLER_REFRESH_INTERVAL
 	SamplingRefreshInterval time.Duration `yaml:"samplingRefreshInterval"`
 
 	// MaxOperations is the maximum number of operations that the PerOperationSampler
 	// will keep track of. If an operation is not tracked, a default probabilistic
 	// sampler will be used rather than the per operation specific sampler.
-	// Can be set by exporting an environment variable named JAEGER_SAMPLER_MAX_OPERATIONS.
+	// Can be provided by FromEnv() via the environment variable named JAEGER_SAMPLER_MAX_OPERATIONS.
 	MaxOperations int `yaml:"maxOperations"`
 
 	// Opt-in feature for applications that require late binding of span name via explicit
@@ -105,34 +106,35 @@ type ReporterConfig struct {
 	// QueueSize controls how many spans the reporter can keep in memory before it starts dropping
 	// new spans. The queue is continuously drained by a background go-routine, as fast as spans
 	// can be sent out of process.
-	// Can be set by exporting an environment variable named JAEGER_REPORTER_MAX_QUEUE_SIZE
+	// Can be provided by FromEnv() via the environment variable named JAEGER_REPORTER_MAX_QUEUE_SIZE
 	QueueSize int `yaml:"queueSize"`
 
 	// BufferFlushInterval controls how often the buffer is force-flushed, even if it's not full.
 	// It is generally not useful, as it only matters for very low traffic services.
-	// Can be set by exporting an environment variable named JAEGER_REPORTER_FLUSH_INTERVAL
+	// Can be provided by FromEnv() via the environment variable named JAEGER_REPORTER_FLUSH_INTERVAL
 	BufferFlushInterval time.Duration
 
 	// LogSpans, when true, enables LoggingReporter that runs in parallel with the main reporter
 	// and logs all submitted spans. Main Configuration.Logger must be initialized in the code
 	// for this option to have any effect.
-	// Can be set by exporting an environment variable named JAEGER_REPORTER_LOG_SPANS
+	// Can be provided by FromEnv() via the environment variable named JAEGER_REPORTER_LOG_SPANS
 	LogSpans bool `yaml:"logSpans"`
 
-	// LocalAgentHostPort instructs reporter to send spans to jaeger-agent at this address
-	// Can be set by exporting an environment variable named JAEGER_AGENT_HOST / JAEGER_AGENT_PORT
+	// LocalAgentHostPort instructs reporter to send spans to jaeger-agent at this address.
+	// Can be provided by FromEnv() via the environment variable named JAEGER_AGENT_HOST / JAEGER_AGENT_PORT
 	LocalAgentHostPort string `yaml:"localAgentHostPort"`
 
-	// CollectorEndpoint instructs reporter to send spans to jaeger-collector at this URL
-	// Can be set by exporting an environment variable named JAEGER_ENDPOINT
+	// CollectorEndpoint instructs reporter to send spans to jaeger-collector at this URL.
+	// Can be provided by FromEnv() via the environment variable named JAEGER_ENDPOINT
 	CollectorEndpoint string `yaml:"collectorEndpoint"`
 
 	// User instructs reporter to include a user for basic http authentication when sending spans to jaeger-collector.
-	// Can be set by exporting an environment variable named JAEGER_USER
+	// Can be provided by FromEnv() via the environment variable named JAEGER_USER
 	User string `yaml:"user"`
 
 	// Password instructs reporter to include a password for basic http authentication when sending spans to
-	// jaeger-collector. Can be set by exporting an environment variable named JAEGER_PASSWORD
+	// jaeger-collector.
+	// Can be provided by FromEnv() via the environment variable named JAEGER_PASSWORD
 	Password string `yaml:"password"`
 
 	// HTTPHeaders instructs the reporter to add these headers to the http request when reporting spans.
diff --git a/vendor/github.com/uber/jaeger-client-go/config/config_env.go b/vendor/github.com/uber/jaeger-client-go/config/config_env.go
index a729bd8fe..f38eb9d93 100644
--- a/vendor/github.com/uber/jaeger-client-go/config/config_env.go
+++ b/vendor/github.com/uber/jaeger-client-go/config/config_env.go
@@ -36,7 +36,8 @@ const (
 	envTags                   = "JAEGER_TAGS"
 	envSamplerType            = "JAEGER_SAMPLER_TYPE"
 	envSamplerParam           = "JAEGER_SAMPLER_PARAM"
-	envSamplerManagerHostPort = "JAEGER_SAMPLER_MANAGER_HOST_PORT"
+	envSamplerManagerHostPort = "JAEGER_SAMPLER_MANAGER_HOST_PORT" // Deprecated by envSamplingEndpoint
+	envSamplingEndpoint       = "JAEGER_SAMPLING_ENDPOINT"
 	envSamplerMaxOperations   = "JAEGER_SAMPLER_MAX_OPERATIONS"
 	envSamplerRefreshInterval = "JAEGER_SAMPLER_REFRESH_INTERVAL"
 	envReporterMaxQueueSize   = "JAEGER_REPORTER_MAX_QUEUE_SIZE"
@@ -118,7 +119,9 @@ func (sc *SamplerConfig) samplerConfigFromEnv() (*SamplerConfig, error) {
 		}
 	}
 
-	if e := os.Getenv(envSamplerManagerHostPort); e != "" {
+	if e := os.Getenv(envSamplingEndpoint); e != "" {
+		sc.SamplingServerURL = e
+	} else 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
@@ -184,20 +187,25 @@ func (rc *ReporterConfig) reporterConfigFromEnv() (*ReporterConfig, error) {
 		rc.User = user
 		rc.Password = pswd
 	} else {
+		useEnv := false
 		host := jaeger.DefaultUDPSpanServerHost
 		if e := os.Getenv(envAgentHost); e != "" {
 			host = e
+			useEnv = true
 		}
 
 		port := jaeger.DefaultUDPSpanServerPort
 		if e := os.Getenv(envAgentPort); e != "" {
 			if value, err := strconv.ParseInt(e, 10, 0); err == nil {
 				port = int(value)
+				useEnv = true
 			} else {
 				return nil, errors.Wrapf(err, "cannot parse env var %s=%s", envAgentPort, e)
 			}
 		}
-		rc.LocalAgentHostPort = fmt.Sprintf("%s:%d", host, port)
+		if useEnv || rc.LocalAgentHostPort == "" {
+			rc.LocalAgentHostPort = fmt.Sprintf("%s:%d", host, port)
+		}
 	}
 
 	return rc, nil