chore: Refactored to derive hostname from segment name

Signed-off-by: mrickard <maurice@mauricerickard.com>

lib/spans/span-event.js

@@ -106,6 +106,12 @@ class SpanEvent {
 
     let span = null
     if (HttpSpanEvent.testSegment(segment)) {
+      // Get external host from the segment name
+      const nameParams = segment.name.split('/')
+      const external = nameParams.indexOf('External')
+      if (external > -1) {
+        attributes.host = nameParams[external + 1]
+      }
       span = new HttpSpanEvent(attributes, customAttributes)
     } else if (DatastoreSpanEvent.testSegment(segment)) {
       span = new DatastoreSpanEvent(attributes, customAttributes)
@@ -191,10 +197,14 @@ class HttpSpanEvent extends SpanEvent {
 
     if (attributes.url) {
       this.addAttribute('http.url', attributes.url)
-      this.addAttribute('server.address', new URL(attributes.url).hostname)
       attributes.url = null
     }
 
+    if (attributes.host) {
+      this.addAttribute('server.address', attributes.host)
+      attributes.host = null
+    }
+
     if (attributes.procedure) {
       this.addAttribute('http.method', attributes.procedure)
       this.addAttribute('http.request.method', attributes.procedure)

lib/spans/streaming-span-event.js

@@ -128,6 +128,12 @@ class StreamingSpanEvent {
 
     let span = null
     if (StreamingHttpSpanEvent.isHttpSegment(segment)) {
+      // Get external host from the segment name
+      const nameParams = segment.name.split('/')
+      const external = nameParams.indexOf('External')
+      if (external > -1) {
+        agentAttributes.host = nameParams[external + 1]
+      }
       span = new StreamingHttpSpanEvent(traceId, agentAttributes, customAttributes)
     } else if (StreamingDatastoreSpanEvent.isDatastoreSegment(segment)) {
       span = new StreamingDatastoreSpanEvent(traceId, agentAttributes, customAttributes)
@@ -194,10 +200,14 @@ class StreamingHttpSpanEvent extends StreamingSpanEvent {
 
     if (agentAttributes.url) {
       this.addAgentAttribute('http.url', agentAttributes.url)
-      this.addAgentAttribute('server.address', new URL(agentAttributes.url).hostname)
       agentAttributes.url = null
     }
 
+    if (agentAttributes.host) {
+      this.addAgentAttribute('server.address', agentAttributes.host)
+      agentAttributes.host = null
+    }
+
     if (agentAttributes.procedure) {
       this.addAgentAttribute('http.method', agentAttributes.procedure)
       this.addAgentAttribute('http.request.method', agentAttributes.procedure)