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spike: test Knative Serving installation in kind cluster CI
Minimal workflow to validate feasibility: 1. Create kind cluster 2. Install Knative Serving CRDs + core 3. Install Kourier networking layer 4. Deploy a test Knative Service 5. Verify it reaches Ready state
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‎.github/workflows/spike-knative-kind.yaml‎

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name: Spike — Knative in kind
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on:
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workflow_dispatch: {}
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push:
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branches:
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- feat/provisioning-handlers
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paths:
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- ".github/workflows/spike-knative-kind.yaml"
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concurrency:
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group: ${{ github.workflow }}-${{ github.ref }}
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cancel-in-progress: true
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jobs:
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knative-in-kind:
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name: Install Knative Serving in kind
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runs-on: ubuntu-latest
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timeout-minutes: 15
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steps:
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- name: Checkout
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uses: actions/checkout@v5
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- name: Create kind cluster
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uses: helm/kind-action@v1
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with:
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cluster_name: knative-spike
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wait: 120s
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- name: Cluster info
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run: |
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kubectl version
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kubectl get nodes -o wide
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# ── Install Knative Serving CRDs + core ──────────────────────────
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- name: Install Knative Serving CRDs
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run: |
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KNATIVE_VERSION=v1.17.0
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echo "Installing Knative Serving ${KNATIVE_VERSION} CRDs..."
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kubectl apply -f "https://github.com/knative/serving/releases/download/knative-${KNATIVE_VERSION}/serving-crds.yaml"
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- name: Install Knative Serving core
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run: |
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KNATIVE_VERSION=v1.17.0
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echo "Installing Knative Serving ${KNATIVE_VERSION} core..."
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kubectl apply -f "https://github.com/knative/serving/releases/download/knative-${KNATIVE_VERSION}/serving-core.yaml"
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# ── Install a networking layer (Kourier is simplest for CI) ──────
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- name: Install Kourier networking
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run: |
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KNATIVE_VERSION=v1.17.0
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echo "Installing Kourier networking layer..."
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kubectl apply -f "https://github.com/knative/net-kourier/releases/download/knative-${KNATIVE_VERSION}/kourier.yaml"
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# Tell Knative to use Kourier
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kubectl patch configmap/config-network \
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--namespace knative-serving \
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--type merge \
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--patch '{"data":{"ingress-class":"kourier.ingress.networking.knative.dev"}}'
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# ── Wait for Knative to be ready ─────────────────────────────────
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- name: Wait for Knative Serving pods
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run: |
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echo "Waiting for Knative Serving pods..."
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kubectl wait --for=condition=Available deployment --all \
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-n knative-serving --timeout=180s || true
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echo ""
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echo "=== Knative Serving pods ==="
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kubectl get pods -n knative-serving
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echo ""
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echo "=== Kourier pods ==="
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kubectl get pods -n kourier-system || true
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# ── Verify CRDs are registered ──────────────────────────────────
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- name: Verify Knative CRDs
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run: |
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echo "=== Knative Serving CRDs ==="
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kubectl get crd | grep knative || { echo "No Knative CRDs found!"; exit 1; }
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echo ""
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echo "=== API Resources for serving.knative.dev ==="
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kubectl api-resources --api-group=serving.knative.dev
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# ── Deploy a test Knative Service ────────────────────────────────
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- name: Deploy test Knative Service
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run: |
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cat <<'EOF' | kubectl apply -f -
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apiVersion: serving.knative.dev/v1
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kind: Service
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metadata:
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name: hello-test
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namespace: default
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spec:
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template:
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spec:
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containers:
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- image: ghcr.io/knative/helloworld-go:latest
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ports:
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- containerPort: 8080
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env:
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- name: TARGET
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value: "Knative in kind CI"
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EOF
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- name: Wait for Knative Service to become ready
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run: |
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echo "Waiting for ksvc/hello-test to be ready..."
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for i in $(seq 1 30); do
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STATUS=$(kubectl get ksvc hello-test -n default -o jsonpath='{.status.conditions[?(@.type=="Ready")].status}' 2>/dev/null || echo "NotFound")
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URL=$(kubectl get ksvc hello-test -n default -o jsonpath='{.status.url}' 2>/dev/null || echo "")
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echo " attempt $i: Ready=$STATUS url=$URL"
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if [ "$STATUS" = "True" ]; then
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echo ""
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echo "Knative Service is READY!"
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echo "URL: $URL"
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break
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fi
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sleep 10
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done
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echo ""
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echo "=== Final ksvc status ==="
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kubectl get ksvc -n default
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echo ""
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kubectl describe ksvc hello-test -n default
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# ── Diagnostics on failure ───────────────────────────────────────
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- name: Dump diagnostics on failure
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if: failure()
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run: |
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echo "=== Knative Serving pods ==="
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kubectl get pods -n knative-serving -o wide || true
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echo ""
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echo "=== Kourier pods ==="
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kubectl get pods -n kourier-system -o wide || true
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echo ""
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echo "=== Events (knative-serving) ==="
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kubectl get events -n knative-serving --sort-by='.lastTimestamp' | tail -30 || true
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echo ""
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echo "=== Events (default) ==="
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kubectl get events -n default --sort-by='.lastTimestamp' | tail -30 || true
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echo ""
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echo "=== ksvc describe ==="
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kubectl describe ksvc hello-test -n default || true
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echo ""
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echo "=== Pods in default namespace ==="
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kubectl get pods -n default -o wide || true

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