From ad3311026cbaf7454cb82aa2e9a4f623e36db00d Mon Sep 17 00:00:00 2001
From: Bob Stasyszyn <bob.stasyszyn@gendigital.com>
Date: Mon, 28 Oct 2024 16:10:52 -0400
Subject: [PATCH] Deprecate JAEGER tracing exporter

Deprecated the JAEGER exporter type and added DEFAULT to the list of supported types.
Also fixed the BDD test to work with the latest version of otel.

Signed-off-by: Bob Stasyszyn <bob.stasyszyn@gendigital.com>
---
 cmd/vc-rest/startcmd/params.go            |  7 +------
 pkg/observability/tracing/tracing.go      | 15 +++++++++++++--
 pkg/observability/tracing/tracing_test.go | 13 ++++++++++---
 test/bdd/fixtures/docker-compose.yml      |  9 ++++-----
 4 files changed, 28 insertions(+), 16 deletions(-)

diff --git a/cmd/vc-rest/startcmd/params.go b/cmd/vc-rest/startcmd/params.go
index 9d2cff7f9..b7a6cbab0 100644
--- a/cmd/vc-rest/startcmd/params.go
+++ b/cmd/vc-rest/startcmd/params.go
@@ -1110,12 +1110,7 @@ func getTracingParams(cmd *cobra.Command) (*tracingParams, error) {
 		serviceName: serviceName,
 	}
 
-	switch params.exporter {
-	case tracing.None:
-	case tracing.Jaeger:
-	case tracing.Stdout:
-		return params, nil
-	default:
+	if !tracing.IsExportedSupported(params.exporter) {
 		return nil, fmt.Errorf("unsupported otel span exporter: %s", params.exporter)
 	}
 
diff --git a/pkg/observability/tracing/tracing.go b/pkg/observability/tracing/tracing.go
index 3ed0e988b..ca6d3cdd4 100644
--- a/pkg/observability/tracing/tracing.go
+++ b/pkg/observability/tracing/tracing.go
@@ -29,8 +29,14 @@ var logger = log.New("tracing")
 type SpanExporterType = string
 
 const (
-	None   SpanExporterType = ""
+	// None is the noop span exporter.
+	None SpanExporterType = ""
+	// Default is the default span exporter to be used with any Open Telemetry-compatible agent.
+	Default SpanExporterType = "DEFAULT"
+	// Jaeger is the Jaeger span exporter.
+	//Deprecated: use Default instead.
 	Jaeger SpanExporterType = "JAEGER"
+	// Stdout is the stdout span exporter.
 	Stdout SpanExporterType = "STDOUT"
 )
 
@@ -56,7 +62,7 @@ func Initialize(exporter SpanExporterType, serviceName string) (func(), trace.Tr
 	)
 
 	switch exporter {
-	case Jaeger:
+	case Default, Jaeger:
 		spanExporter, err = otlptracehttp.New(context.Background())
 		if err != nil {
 			return nil, nil, fmt.Errorf("create OTLP HTTP exporter: %w", err)
@@ -92,3 +98,8 @@ func Initialize(exporter SpanExporterType, serviceName string) (func(), trace.Tr
 		}
 	}, tracerProvider.Tracer(tracerName), nil
 }
+
+// IsExportedSupported returns true if the given exporter is supported.
+func IsExportedSupported(exporter SpanExporterType) bool {
+	return exporter == None || exporter == Default || exporter == Jaeger || exporter == Stdout
+}
diff --git a/pkg/observability/tracing/tracing_test.go b/pkg/observability/tracing/tracing_test.go
index c3c20ffc1..c11fd48c7 100644
--- a/pkg/observability/tracing/tracing_test.go
+++ b/pkg/observability/tracing/tracing_test.go
@@ -21,10 +21,10 @@ func TestInitialize(t *testing.T) {
 		require.NotPanics(t, shutdown)
 	})
 
-	t.Run("Provider JAEGER", func(t *testing.T) {
-		t.Setenv("OTEL_EXPORTER_OTLP_ENDPOINT", "OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost")
+	t.Run("Provider DEFAULT", func(t *testing.T) {
+		t.Setenv("OTEL_EXPORTER_OTLP_ENDPOINT", "http://localhost")
 
-		shutdown, tracer, err := Initialize("JAEGER", "service1")
+		shutdown, tracer, err := Initialize("DEFAULT", "service1")
 		require.NoError(t, err)
 		require.NotNil(t, shutdown)
 		require.NotNil(t, tracer)
@@ -47,3 +47,10 @@ func TestInitialize(t *testing.T) {
 		require.Nil(t, tracer)
 	})
 }
+
+func TestIsExportedSupported(t *testing.T) {
+	require.True(t, IsExportedSupported("DEFAULT"))
+	require.True(t, IsExportedSupported("STDOUT"))
+	require.True(t, IsExportedSupported("JAEGER"))
+	require.False(t, IsExportedSupported("unsupported"))
+}
diff --git a/test/bdd/fixtures/docker-compose.yml b/test/bdd/fixtures/docker-compose.yml
index 63f213947..69d5538a0 100644
--- a/test/bdd/fixtures/docker-compose.yml
+++ b/test/bdd/fixtures/docker-compose.yml
@@ -37,9 +37,8 @@ services:
       - VC_METRICS_PROVIDER_NAME=prometheus
       - VC_PROM_HTTP_URL=vc-rest-echo.trustbloc.local:48127
       - VC_OAUTH_CLIENTS_FILE_PATH=/oauth-clients/clients.json
-      - OTEL_EXPORTER_TYPE=JAEGER
-      - OTEL_EXPORTER_OTLP_ENDPOINT=http://jaeger.example.com:14268
-      - OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://jaeger.example.com:14268
+      - OTEL_EXPORTER_TYPE=DEFAULT
+      - OTEL_EXPORTER_OTLP_ENDPOINT=http://jaeger.example.com:4318
       - VC_OIDC4VP_RECEIVED_CLAIMS_DATA_TTL=10s
       - VC_SYSTEM_VERSION=v1.0.0
       - VC_REST_DATA_ENCRYPTION_KEY_ID=bc436485-5092-42b8-92a3-0aa8b93536dc
@@ -278,11 +277,11 @@ services:
 
   jaeger.example.com:
     container_name: jaeger.example.com
-    image: jaegertracing/all-in-one:1.41
+    image: jaegertracing/all-in-one:1.62.0
     ports:
       - 6831:6831/udp
       - 16686:16686
-      - 14268:14268
+      - 4318:4318
     networks:
       - bdd_net