[shipping] - add span attributes

CHANGELOG.md

@@ -55,3 +55,5 @@ significant modifications will be credited to OpenTelemetry Authors.
 ([#255](https://github.com/open-telemetry/opentelemetry-demo/pull/255))
 * Added spanmetrics processor to otelcol
 ([#212](https://github.com/open-telemetry/opentelemetry-demo/pull/212))
+* Added span attributes to shipping service
+([#260](https://github.com/open-telemetry/opentelemetry-demo/pull/260))

docs/manual_span_attributes.md

@@ -81,4 +81,6 @@ This document contains the list of manual Span Attributes used throughout the de
 
 ## ShippingService
 
-* None yet
+* `app.shipipng.cost.total`
+* `app.shipping.items.count`
+* `app.shipping.tracking.id`

src/shippingservice/src/shipping_service.rs

@@ -90,7 +90,7 @@ impl ShippingService for ShippingServer {
             .start_with_context("ship-order", &parent_cx);
 
         let tid = create_tracking_id();
-        span.add_event("Tracking ID issued", vec![KeyValue::new(tid.clone(), true)]);
+        span.set_attribute(KeyValue::new("app.shipping.tracking.id", tid.clone()));
         info!("Tracking ID Created: {}", tid);
 
         Ok(Response::new(ShipOrderResponse { tracking_id: tid }))

src/shippingservice/src/shipping_service/quote.rs

@@ -17,7 +17,8 @@ pub fn create_quote_from_count(count: u32) -> Quote {
     };
     get_active_span(|span| {
         let q = create_quote_from_float(f);
-        span.add_event("Quote Issued", vec![KeyValue::new(format!("{}", q), true)]);
+        span.set_attribute(KeyValue::new("app.shipping.items.count", count as i64));
+        span.set_attribute(KeyValue::new("app.shipping.cost.total", format!("{}", q)));
         q
     })
 }