Fix grpc propagation with XRay propagator

dweitzman-codaio · web-flow · commit 35dbd46218b0 · 2024-12-13T11:56:37.000-08:00
Similar to open-telemetry/opentelemetry-js#2285 to fix open-telemetry/opentelemetry-js#4830
diff --git a/propagators/propagator-aws-xray/src/AWSXRayPropagator.ts b/propagators/propagator-aws-xray/src/AWSXRayPropagator.ts
@@ -99,7 +99,8 @@ export class AWSXRayPropagator implements TextMapPropagator {
     if (!relevantHeaderKey) {
       return INVALID_SPAN_CONTEXT;
     }
-    const traceHeader = getter.get(carrier, relevantHeaderKey);
+    let traceHeader = getter.get(carrier, relevantHeaderKey);
+    traceHeader = Array.isArray(traceHeader) ? traceHeader[0] : traceHeader;
 
     if (!traceHeader || typeof traceHeader !== 'string') {
       return INVALID_SPAN_CONTEXT;

Original file line number	Diff line number	Diff line change
`@@ -99,7 +99,8 @@ export class AWSXRayPropagator implements TextMapPropagator {`
`99`	`99`	`if (!relevantHeaderKey) {`
`100`	`100`	`return INVALID_SPAN_CONTEXT;`
`101`	`101`	`}`
`102`		`- const traceHeader = getter.get(carrier, relevantHeaderKey);`
	`102`	`+ let traceHeader = getter.get(carrier, relevantHeaderKey);`
	`103`	`+ traceHeader = Array.isArray(traceHeader) ? traceHeader[0] : traceHeader;`
`103`	`104`
`104`	`105`	`if (!traceHeader \|\| typeof traceHeader !== 'string') {`
`105`	`106`	`return INVALID_SPAN_CONTEXT;`