feat(shipping): delay international shipments via shippingSlowdown feature flag

CHANGELOG.md

@@ -7,6 +7,9 @@ the release.
 
 ## Unreleased
 
+* [shipping] Add `intlShippingSlowdown` integer feature flag to delay
+  international (non-US) shipments by N seconds via flagd with OpenTelemetry tracing
+  ([#346](https://github.com/open-telemetry/opentelemetry-demo/issues/346))
 * [telemetry-docs] Add a new service to provide telemetry documentation based
   on Weaver
   ([#2794](https://github.com/open-telemetry/opentelemetry-demo/pull/2794))

docker-compose.minimal.yml

@@ -564,6 +564,8 @@ services:
       - IPV6_ENABLED
       - SHIPPING_PORT
       - QUOTE_ADDR
+      - FLAGD_HOST
+      - FLAGD_PORT
       - OTEL_EXPORTER_OTLP_ENDPOINT
       - OTEL_RESOURCE_ATTRIBUTES=${OTEL_RESOURCE_ATTRIBUTES},service.criticality=high
       - OTEL_SERVICE_NAME=shipping
@@ -577,6 +579,8 @@ services:
     depends_on:
       otel-collector:
         condition: service_started
+      flagd:
+        condition: service_started
     logging: *logging
 
   # ******************

docker-compose.yml

@@ -651,13 +651,17 @@ services:
       - IPV6_ENABLED
       - SHIPPING_PORT
       - QUOTE_ADDR
+      - FLAGD_HOST
+      - FLAGD_PORT
       - OTEL_EXPORTER_OTLP_ENDPOINT
       - OTEL_RESOURCE_ATTRIBUTES=${OTEL_RESOURCE_ATTRIBUTES},service.criticality=high
       - OTEL_SERVICE_NAME=shipping
       - OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE
     depends_on:
       otel-collector:
         condition: service_started
+      flagd:
+        condition: service_started
     logging: *logging
 
   # ******************

src/flagd/demo.flagd.json

@@ -146,6 +146,16 @@
         "10000x": 10000
       },
       "defaultVariant": "off"
+    },
+    "intlShippingSlowdown": {
+      "description": "Delays international shipping responses to simulate overseas shipping delay",
+      "state": "ENABLED",
+      "variants": {
+        "10sec": 10,
+        "5sec": 5,
+        "off": 0
+      },
+      "defaultVariant": "off"
     }
   }
 }