Merge pull request #139 from wave-k8s/e2e-test

Add end2end test github workflow

.github/workflows/e2e-test.yaml

@@ -0,0 +1,22 @@
+---
+name: end2end Test
+on:
+  - pull_request
+jobs:
+  e2etest:
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - v1.21
+          - v1.29
+    runs-on: ubuntu-latest
+    name: test on minikube
+    steps:
+      - uses: actions/checkout@v4
+      - name: Start minikube
+        uses: medyagh/setup-minikube@master
+        with:
+          kubernetes-version: ${{ matrix.version }}
+      - name: Build and run wave
+        run: hack/run-test-in-minikube.sh

.github/workflows/test.yml

@@ -36,7 +36,7 @@ jobs:
             ${{ runner.os }}-build-depcache-
       - name: Setup test tooling
         run: |
-          go get github.com/onsi/ginkgo/ginkgo && go get github.com/onsi/gomega/...
+          GO111MODULE=on go get github.com/onsi/ginkgo/ginkgo@v1.14.2
           if ! [[ -x $(go env GOPATH)/bin/golangci-lint ]]; then echo "golangci-lint not found; fetching"; curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.27.0; fi
           if ! [[ -d ${{ github.workspace	}}/kubebuilder_2.3.1_linux_amd64 ]]; then echo "kubebuilder not found; fetching"; curl -sSfL https://github.com/kubernetes-sigs/kubebuilder/releases/download/v2.3.1/kubebuilder_2.3.1_linux_amd64.tar.gz | tar zxvf -; fi
           if ! [[ -x $(go env GOPATH)/bin/dep ]]; then echo "deplint not found; fetching"; curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh; fi

hack/run-test-in-minikube.sh

@@ -0,0 +1,127 @@
+#!/usr/bin/env bash
+
+set -eu
+set -o pipefail
+
+helm --help > /dev/null 2>&1 || {
+  echo "helm is not installed"
+  exit 1
+}
+
+kubectl --help > /dev/null 2>&1 || {
+  echo "kubectl is not installed"
+  exit 1
+}
+
+MINIKUBE_ALREADY_RUNNING=0
+kubectl get node minikube >/dev/null 2>&1 && MINIKUBE_ALREADY_RUNNING=1
+
+minikube --help > /dev/null 2>&1 || {
+  echo "minikube is not installed"
+  exit 1
+}
+
+KUBERNETES_VERSION=${1:-v1.21}
+
+[ $MINIKUBE_ALREADY_RUNNING  -eq 0 ] && {
+	echo Starting minikube...
+	minikube start --kubernetes-version "$KUBERNETES_VERSION"
+	trap "minikube delete" EXIT
+}
+
+eval $(minikube -p minikube docker-env)
+docker build -f ./Dockerfile -t wave-local:local .
+
+echo Installing wave...
+helm install wave charts/wave --set image.name=wave-local --set image.tag=local
+
+while [ "$(kubectl get pods -A | grep -cEv 'Running|Completed')" -gt 1 ]; do echo Waiting for \"cluster\" to start; sleep 10; done
+
+echo Creating test resources...
+kubectl create -f - <<'EOF'
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: test
+data:
+  test: init
+EOF
+
+kubectl create -f - <<'EOF'
+kind: Role
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: test
+rules:
+- apiGroups: [""]
+  resources: ["configmaps"]
+  verbs: ["patch", "create", "get"]
+EOF
+
+kubectl create -f - <<'EOF'
+kind: RoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: test
+subjects:
+- kind: ServiceAccount
+  name: default
+roleRef:
+  kind: Role
+  name: test
+  apiGroup: rbac.authorization.k8s.io
+EOF
+
+kubectl create -f - <<'EOF'
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: test
+  annotations:
+    wave.pusher.com/update-on-config-change: "true"
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: test
+  template:
+    metadata:
+      labels:
+        app: test
+    spec:
+      containers:
+      - name: test
+        image: nixery.dev/shell/kubectl
+        command:
+          - /bin/sh
+          - -ec
+          - |
+            sleep 60
+            if [ $(cat /etc/config/test) = "updated" ]; then
+              kubectl create configmap test-completed
+            elif [ $(cat /etc/config/test) = "init" ]; then
+              kubectl patch configmap test --type merge -p '{"data":{"test":"updated"}}'
+            fi
+            sleep infinity
+        volumeMounts:
+        - name: config
+          mountPath: /etc/config
+      volumes:
+      - name: config
+        configMap:
+          name: test
+EOF
+
+ctr=0
+while ! kubectl get cm test-completed; do
+  echo Waiting for test to complete
+  sleep 10
+  ctr=$((ctr+1))
+  if [ "$ctr" -gt 60 ]; then
+	echo "Test failed"
+	exit 1
+  fi
+done
+
+echo Test passed
+exit 0