Merge pull request #149 from weaveworks/e2e

Add end-to-end tests for A/B testing and pre/post hooks

test/README.md

@@ -5,7 +5,7 @@ The e2e testing infrastructure is powered by CircleCI and [Kubernetes Kind](http
 CircleCI e2e workflow:
 
 * install latest stable kubectl [e2e-kind.sh](e2e-kind.sh)
-* build Kubernetes Kind from master [e2e-kind.sh](e2e-kind.sh)
+* install Kubernetes Kind [e2e-kind.sh](e2e-kind.sh)
 * create local Kubernetes cluster with kind [e2e-kind.sh](e2e-kind.sh)
 * install latest stable Helm CLI [e2e-istio.sh](e2e-istio.sh)
 * deploy Tiller on the local cluster [e2e-istio.sh](e2e-istio.sh)
@@ -18,7 +18,7 @@ CircleCI e2e workflow:
 * deploy the load tester in the test namespace [e2e-tests.sh](e2e-tests.sh)
 * deploy a demo workload (podinfo) in the test namespace [e2e-tests.sh](e2e-tests.sh)
 * test the canary initialization [e2e-tests.sh](e2e-tests.sh)
-* test the canary analysis and promotion [e2e-tests.sh](e2e-tests.sh)
-
+* test the canary analysis and promotion using weighted traffic and the load testing webhook [e2e-tests.sh](e2e-tests.sh)
+* test the A/B testing analysis and promotion using cookies filters and pre/post rollout webhooks [e2e-tests.sh](e2e-tests.sh)
 
 

test/e2e-tests.sh

@@ -42,7 +42,7 @@ spec:
   canaryAnalysis:
     interval: 15s
     threshold: 15
-    maxWeight: 50
+    maxWeight: 30
     stepWeight: 10
     metrics:
     - name: request-success-rate
@@ -83,7 +83,6 @@ spec:
           type: cmd
           cmd: "hey -z 10m -q 10 -c 2 http://podinfo.test:9898/"
           logCmdOutput: "true"
-
 EOF
 
 echo '>>> Waiting for primary to be ready'
@@ -126,6 +125,77 @@ done
 
 echo '✔ Canary promotion test passed'
 
+cat <<EOF | kubectl apply -f -
+apiVersion: flagger.app/v1alpha3
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  progressDeadlineSeconds: 60
+  service:
+    port: 9898
+  canaryAnalysis:
+    interval: 10s
+    threshold: 5
+    iterations: 5
+    match:
+      - headers:
+          cookie:
+            regex: "^(.*?;)?(type=insider)(;.*)?$"
+    metrics:
+    - name: request-success-rate
+      threshold: 99
+      interval: 1m
+    - name: request-duration
+      threshold: 500
+      interval: 30s
+    webhooks:
+      - name: pre
+        type: pre-rollout
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        metadata:
+          type: cmd
+          cmd: "hey -z 10m -q 10 -c 2 -H 'Cookie: type=insider' http://podinfo-canary.test:9898/"
+          logCmdOutput: "true"
+      - name: post
+        type: post-rollout
+        url: http://flagger-loadtester.test/
+        timeout: 15s
+        metadata:
+          type: cmd
+          cmd: "curl -s http://podinfo.test:9898/"
+          logCmdOutput: "true"
+EOF
+
+echo '>>> Triggering A/B testing'
+kubectl -n test set image deployment/podinfo podinfod=quay.io/stefanprodan/podinfo:1.4.2
+
+echo '>>> Waiting for A/B testing promotion'
+retries=50
+count=0
+ok=false
+until ${ok}; do
+    kubectl -n test describe deployment/podinfo-primary | grep '1.4.2' && ok=true || ok=false
+    sleep 10
+    kubectl -n istio-system logs deployment/flagger --tail 1
+    count=$(($count + 1))
+    if [[ ${count} -eq ${retries} ]]; then
+        kubectl -n test describe deployment/podinfo
+        kubectl -n test describe deployment/podinfo-primary
+        kubectl -n istio-system logs deployment/flagger
+        echo "No more retries left"
+        exit 1
+    fi
+done
+
+echo '✔ A/B testing promotion test passed'
+
 kubectl -n istio-system logs deployment/flagger
 
 echo '✔ All tests passed'