route traffic based on headers and weight

deploy/ambassador-backends/blue-svc.yaml

@@ -10,7 +10,7 @@ metadata:
       kind: Mapping
       name: blue
       prefix: /
-      host: blue.test
+      host: podinfo.test
       service: blue.default:9898
 spec:
   type: ClusterIP

deploy/ambassador-backends/green-svc.yaml

@@ -10,8 +10,11 @@ metadata:
       kind: Mapping
       name: green
       prefix: /
-      host: green.test
+      host: podinfo.test
       service: green.default:9898
+      weight: 50
+      headers:
+        X-Subscription: trial
 spec:
   type: ClusterIP
   ports:
@@ -20,3 +23,27 @@ spec:
       protocol: TCP
   selector:
     app: green
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: blue-trial
+  annotations:
+    getambassador.io/config: |
+      ---
+      apiVersion: ambassador/v0
+      kind: Mapping
+      name: blue-trial
+      prefix: /
+      host: podinfo.test
+      service: blue.default:9898
+      headers:
+        X-Subscription: trial
+spec:
+  type: ClusterIP
+  ports:
+    - port: 9898
+      targetPort: 9898
+      protocol: TCP
+  selector:
+    app: blue