Target the canary header in the load test

artifacts/ab-testing/canary.yaml

@@ -40,7 +40,7 @@ spec:
             regex: "^(?!.*Chrome)(?=.*\bSafari\b).*$"
       - headers:
           cookie:
-            regex: "^(.*?;)?(user=test)(;.*)?$"
+            regex: "^(.*?;)?(type=insider)(;.*)?$"
     metrics:
     - name: istio_requests_total
       # minimum req success rate (non 5xx responses)
@@ -58,4 +58,4 @@ spec:
         url: http://flagger-loadtester.test/
         timeout: 5s
         metadata:
-          cmd: "hey -z 1m -q 10 -c 2 http://podinfo.test:9898/"
+          cmd: "hey -z 1m -q 10 -c 2 -H 'Cookie: type=insider' http://podinfo.test:9898/"

docs/gitbook/usage/ab-testing.md

@@ -93,7 +93,7 @@ spec:
         url: http://flagger-loadtester.test/
         timeout: 5s
         metadata:
-          cmd: "hey -z 1m -q 10 -c 2 http://podinfo.test:9898/"
+          cmd: "hey -z 1m -q 10 -c 2 -H 'Cookie: type=insider' http://podinfo.test:9898/"
 ```
 
 The above configuration will run an analysis for ten minutes targeting Safari users and those that have an insider cookie.