Add Contour canary e2e tests

.circleci/config.yml

@@ -150,6 +150,17 @@ jobs:
       - run: test/e2e-linkerd.sh
       - run: test/e2e-linkerd-tests.sh
 
+  e2e-contour-testing:
+    machine: true
+    steps:
+      - checkout
+      - attach_workspace:
+          at: /tmp/bin
+      - run: test/container-build.sh
+      - run: test/e2e-kind.sh
+      - run: test/e2e-contour.sh
+      - run: test/e2e-contour-tests.sh
+
   push-helm-charts:
     docker:
       - image: circleci/golang:1.13
@@ -215,6 +226,9 @@ workflows:
       - e2e-linkerd-testing:
           requires:
             - build-binary
+      - e2e-contour-testing:
+          requires:
+            - build-binary
       - push-container:
           requires:
             - build-binary

test/container-build.sh

@@ -9,4 +9,3 @@ cp /tmp/bin/flagger ${REPO_ROOT}/bin && chmod +x ${REPO_ROOT}/bin/flagger
 cp /tmp/bin/loadtester ${REPO_ROOT}/bin && chmod +x ${REPO_ROOT}/bin/loadtester
 
 docker build -t test/flagger:latest . -f ${REPO_ROOT}/Dockerfile
-docker build -t test/flagger-loadtester:latest . -f ${REPO_ROOT}/Dockerfile.loadtester

test/e2e-contour-tests.sh

@@ -0,0 +1,130 @@
+#!/usr/bin/env bash
+
+# This script runs e2e tests for Canary initialization, analysis and promotion
+# Prerequisites: Kubernetes Kind and Contour ingress controller
+
+set -o errexit
+
+REPO_ROOT=$(git rev-parse --show-toplevel)
+export KUBECONFIG="$(kind get kubeconfig-path --name="kind")"
+
+echo '>>> Creating test namespace'
+kubectl create namespace test
+
+echo '>>> Installing load tester'
+kubectl -n test apply -f ${REPO_ROOT}/artifacts/loadtester/
+kubectl -n test rollout status deployment/flagger-loadtester
+
+echo '>>> Initialising canary'
+kubectl apply -f ${REPO_ROOT}/test/e2e-workload.yaml
+
+cat <<EOF | kubectl apply -f -
+apiVersion: projectcontour.io/v1
+kind: HTTPProxy
+metadata:
+  name: podinfo-ingress
+  namespace: test
+spec:
+  virtualhost:
+    fqdn: app.example.com
+  includes:
+    - name: podinfo
+      namespace: test
+      conditions:
+        - prefix: /
+EOF
+
+cat <<EOF | kubectl apply -f -
+apiVersion: flagger.app/v1alpha3
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  provider: contour
+  targetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: podinfo
+  progressDeadlineSeconds: 60
+  service:
+    port: 80
+    targetPort: 9898
+  canaryAnalysis:
+    interval: 15s
+    threshold: 15
+    maxWeight: 50
+    stepWeight: 10
+    metrics:
+    - name: request-success-rate
+      threshold: 99
+      interval: 1m
+    - name: request-duration
+      threshold: 500
+      interval: 1m
+    webhooks:
+      - name: acceptance-test
+        type: pre-rollout
+        url: http://flagger-loadtester.test/
+        timeout: 10s
+        metadata:
+          type: bash
+          cmd: "curl -sd 'test' http://podinfo-canary/token | grep token"
+      - name: contour-acceptance-test
+        type: pre-rollout
+        url: http://flagger-loadtester.test/
+        timeout: 10s
+        metadata:
+          type: bash
+          cmd: "curl -sd 'test' -H 'Host: app.example.com' http://envoy.projectcontour/token | grep token"
+      - name: load-test
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        metadata:
+          type: cmd
+          cmd: "hey -z 2m -q 5 -c 2 -host app.example.com http://envoy.projectcontour"
+          logCmdOutput: "true"
+EOF
+
+echo '>>> Waiting for primary to be ready'
+retries=50
+count=0
+ok=false
+until ${ok}; do
+    kubectl -n test get canary/podinfo | grep 'Initialized' && ok=true || ok=false
+    sleep 5
+    count=$(($count + 1))
+    if [[ ${count} -eq ${retries} ]]; then
+        kubectl -n projectcontour logs deployment/flagger
+        echo "No more retries left"
+        exit 1
+    fi
+done
+
+echo '✔ Canary initialization test passed'
+
+echo '>>> Triggering canary deployment'
+kubectl -n test set image deployment/podinfo podinfod=stefanprodan/podinfo:3.1.1
+
+echo '>>> Waiting for canary promotion'
+retries=50
+count=0
+ok=false
+until ${ok}; do
+    kubectl -n test describe deployment/podinfo-primary | grep '3.1.1' && ok=true || ok=false
+    sleep 10
+    kubectl -n projectcontour logs deployment/flagger --tail 1
+    count=$(($count + 1))
+    if [[ ${count} -eq ${retries} ]]; then
+        kubectl -n test describe deployment/podinfo
+        kubectl -n test describe deployment/podinfo-primary
+        kubectl -n test logs deployment/flagger-loadtester
+        kubectl -n projectcontour logs deployment/flagger
+        kubectl -n projectcontour get all
+        kubectl -n test get httpproxy podinfo -oyaml
+        echo "No more retries left"
+        exit 1
+    fi
+done
+
+echo '✔ Canary promotion test passed'

test/e2e-contour.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+set -o errexit
+
+REPO_ROOT=$(git rev-parse --show-toplevel)
+export KUBECONFIG="$(kind get kubeconfig-path --name="kind")"
+
+echo '>>> Installing Contour'
+kubectl apply -f https://projectcontour.io/quickstart/contour.yaml
+
+kubectl -n projectcontour rollout status deployment/contour
+kubectl -n projectcontour get all
+
+echo '>>> Installing Flagger'
+kind load docker-image test/flagger:latest
+
+echo '>>> Installing Flagger'
+helm upgrade -i flagger ${REPO_ROOT}/charts/flagger \
+--namespace projectcontour \
+--set prometheus.install=true \
+--set meshProvider=contour
+
+kubectl -n projectcontour set image deployment/flagger flagger=test/flagger:latest
+
+kubectl -n projectcontour rollout status deployment/flagger
+kubectl -n projectcontour rollout status deployment/flagger-prometheus