Add Envoy headers to e2e tests

artifacts/canaries/canary.yaml

@@ -26,15 +26,19 @@ spec:
     # Istio virtual service host names (optional)
     hosts:
     - app.istio.weavedx.com
-    # Istio virtual service HTTP match conditions (optional)
+    # HTTP match conditions (optional)
     match:
       - uri:
           prefix: /
-    # Istio virtual service HTTP rewrite (optional)
+    # HTTP rewrite (optional)
     rewrite:
       uri: /
-  # for emergency cases when you want to ship changes
-  # in production without analysing the canary
+    # Envoy timeout and retry policy (optional)
+    appendHeaders:
+      x-envoy-upstream-rq-timeout-ms: "15000"
+      x-envoy-max-retries: "10"
+      x-envoy-retry-on: "gateway-error,connect-failure,refused-stream"
+  # promote the canary without analysing it (default false)
   skipAnalysis: false
   canaryAnalysis:
     # schedule interval (default 60s)

docs/gitbook/how-it-works.md

@@ -134,6 +134,9 @@ metadata:
     match:
       - uri:
           prefix: /
+    # HTTP rewrite (optional)
+    rewrite:
+      uri: /
     # Envoy timeout and retry policy (optional)
     appendHeaders:
       x-envoy-upstream-rq-timeout-ms: "15000"

test/e2e-tests.sh

@@ -33,6 +33,10 @@ spec:
   progressDeadlineSeconds: 60
   service:
     port: 9898
+    appendHeaders:
+      x-envoy-upstream-rq-timeout-ms: "15000"
+      x-envoy-max-retries: "10"
+      x-envoy-retry-on: "gateway-error,connect-failure,refused-stream"
   canaryAnalysis:
     interval: 15s
     threshold: 15