feat: add knative integration

Signed-off-by: Sanskar Jaiswal <jaiswalsanskar078@gmail.com> Co-authored-by: Thomas Banks
2026-04-15 06:57:34 +00:00 · 2025-03-22 01:02:30 +05:30
parent 8276bfa5a5
commit f1c8807c0d
36 changed files with 1453 additions and 109 deletions
@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+set -o errexit
+
+REPO_ROOT=$(git rev-parse --show-toplevel)
+
+echo '>>> Delete test namespace'
+kubectl delete namespace test --ignore-not-found=true --wait=true
+
+echo '>>> Creating test namespace'
+kubectl create namespace test
+
+echo '>>> Installing the load tester'
+kubectl apply -k ${REPO_ROOT}/kustomize/tester
+kubectl -n test rollout status deployment/flagger-loadtester
+
+echo '>>> Deploy Knative Service'
+cat <<EOF | kubectl apply -f -
+apiVersion: serving.knative.dev/v1
+kind: Service
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  template:
+    spec:
+      containers:
+        - image: ghcr.io/stefanprodan/podinfo:6.0.0
+          ports:
+            - containerPort: 9898
+              protocol: TCP
+          command:
+            - ./podinfo
+            - --port=9898
+            - --port-metrics=9797
+            - --grpc-port=9999
+            - --grpc-service-name=podinfo
+            - --level=info
+            - --random-delay=false
+            - --random-error=false
+EOF
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+set -o errexit
+
+KNATIVE_VER="1.17.0"
+REPO_ROOT=$(git rev-parse --show-toplevel)
+
+mkdir -p ${REPO_ROOT}/bin
+
+echo '>>> Installing Knative'
+kubectl apply -f https://github.com/knative/serving/releases/download/knative-v${KNATIVE_VER}/serving-crds.yaml
+kubectl apply -f https://github.com/knative/serving/releases/download/knative-v${KNATIVE_VER}/serving-core.yaml
+kubectl apply -f https://github.com/knative/net-kourier/releases/download/knative-v${KNATIVE_VER}/kourier.yaml
+kubectl patch configmap/config-network \
+  --namespace knative-serving \
+  --type merge \
+  --patch '{"data":{"ingress-class":"kourier.ingress.networking.knative.dev"}}'
+
+kubectl -n knative-serving rollout status deployment
+kubectl -n kourier-system rollout status deployment
+
+echo '>>> Installing Flagger'
+kubectl apply -k ${REPO_ROOT}/kustomize/knative
+
+kubectl -n flagger-system set image deployment/flagger flagger=test/flagger:latest
+kubectl -n flagger-system rollout status deployment/flagger
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -o errexit
+
+REPO_ROOT=$(git rev-parse --show-toplevel)
+DIR="$(cd "$(dirname "$0")" && pwd)"
+
+"$DIR"/install.sh
+
+"$DIR"/init.sh
+"$DIR"/test-canary.sh
@@ -0,0 +1,159 @@
+#!/usr/bin/env bash
+
+# This script runs e2e tests for Canary initialization, analysis and promotion
+# Prerequisites: Kubernetes Kind and Knative Serving
+
+set -o errexit
+
+REPO_ROOT=$(git rev-parse --show-toplevel)
+
+cat <<EOF | kubectl apply -f -
+apiVersion: flagger.app/v1beta1
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  provider: knative
+  targetRef:
+    apiVersion: serving.knative.dev/v1
+    kind: Service
+    name: podinfo
+  progressDeadlineSeconds: 60
+  analysis:
+    interval: 15s
+    threshold: 15
+    maxWeight: 50
+    stepWeight: 10
+    metrics:
+    - name: request-success-rate
+      thresholdRange:
+        min: 99
+      interval: 1m
+    - name: request-duration
+      thresholdRange:
+         max: 500
+      interval: 1m
+    webhooks:
+      - name: load-test
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        metadata:
+          type: cmd
+          cmd: "hey -z 1m -q 5 -c 2 http://podinfo.test"
+          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 flagger-system logs deployment/flagger
+        echo "No more retries left"
+        exit 1
+    fi
+done
+
+kubectl -n test get services.serving podinfo -oyaml | grep 'flagger.app/primary-revision: podinfo-00001'
+
+echo '✔ Canary initialization test passed'
+
+echo '>>> Triggering canary deployment'
+kubectl -n test patch services.serving podinfo --type=json -p '[{"op": "replace", "path": "/spec/template/spec/containers/0/image", "value": "ghcr.io/stefanprodan/podinfo:6.0.1"}]'
+
+echo '>>> Waiting for canary promotion'
+retries=50
+count=0
+ok=false
+until ${ok}; do
+    kubectl -n test get services.serving podinfo -oyaml | grep 'flagger.app/primary-revision: podinfo-00002' && ok=true || ok=false
+    sleep 10
+    kubectl -n flagger-system logs deployment/flagger --tail 1
+    count=$(($count + 1))
+    if [[ ${count} -eq ${retries} ]]; then
+        kubectl -n flagger-system logs deployment/flagger
+        kubectl -n test get services.serving podinfo -oyaml
+        echo "No more retries left"
+        exit 1
+    fi
+done
+
+echo '>>> Waiting for canary finalization'
+retries=50
+count=0
+ok=false
+until ${ok}; do
+    kubectl -n test get canary/podinfo | grep 'Succeeded' && ok=true || ok=false
+    sleep 5
+    count=$(($count + 1))
+    if [[ ${count} -eq ${retries} ]]; then
+        kubectl -n flagger-system logs deployment/flagger
+        echo "No more retries left"
+        exit 1
+    fi
+done
+
+echo '✔ Canary promotion test passed'
+
+cat <<EOF | kubectl apply -f -
+apiVersion: flagger.app/v1beta1
+kind: Canary
+metadata:
+  name: podinfo
+  namespace: test
+spec:
+  provider: knative
+  targetRef:
+    apiVersion: serving.knative.dev/v1
+    kind: Service
+    name: podinfo
+  progressDeadlineSeconds: 60
+  analysis:
+    interval: 15s
+    threshold: 15
+    maxWeight: 50
+    stepWeight: 10
+    metrics:
+    - name: request-success-rate
+      thresholdRange:
+        min: 99
+      interval: 1m
+    - name: request-duration
+      thresholdRange:
+         max: 500
+      interval: 1m
+    webhooks:
+      - name: load-test
+        url: http://flagger-loadtester.test/
+        timeout: 5s
+        metadata:
+          type: cmd
+          cmd: "hey -z 1m -q 5 -c 2 http://podinfo.test/delay/1"
+          logCmdOutput: "true"
+EOF
+
+echo '>>> Triggering canary deployment'
+kubectl -n test patch services.serving podinfo --type=json -p '[{"op": "replace", "path": "/spec/template/spec/containers/0/image", "value": "ghcr.io/stefanprodan/podinfo:6.0.2"}]'
+
+echo '>>> Waiting for canary rollback'
+retries=50
+count=0
+ok=false
+until ${ok}; do
+    kubectl -n test get canary/podinfo | grep 'Failed' && ok=true || ok=false
+    sleep 10
+    kubectl -n flagger-system logs deployment/flagger --tail 1
+    count=$(($count + 1))
+    if [[ ${count} -eq ${retries} ]]; then
+        kubectl -n flagger-system logs deployment/flagger
+        echo "No more retries left"
+        exit 1
+    fi
+done
+
+echo '✔ Canary rollback test passed'