Run end-to-end tests with Github Actions

.github/actions/helm/Dockerfile

@@ -0,0 +1,6 @@
+FROM stefanprodan/alpine-base:latest
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

.github/actions/helm/action.yml

@@ -0,0 +1,9 @@
+name: 'helm'
+description: 'A GitHub Action to run helm commands'
+author: 'Stefan Prodan'
+branding:
+  icon: 'command'
+  color: 'blue'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'

.github/actions/helm/entrypoint.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -e
+
+HELM_V3=3.2.1
+BIN=/home/runner/bin
+curl -sSL https://get.helm.sh/helm-v${HELM_V3}-linux-amd64.tar.gz | tar xz
+mkdir -p ${BIN}
+cp linux-amd64/helm ${BIN}/helm
+rm -rf linux-amd64
+

.github/workflows/build.yml

@@ -1,11 +1,11 @@
-name: multi-arch-build
+name: build
 
 on:
   push:
     tags: '*'
 
 jobs:
-  build-push:
+  multi-arch-build:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2

.github/workflows/e2e.yaml

@@ -0,0 +1,57 @@
+name: e2e
+
+on:
+  pull_request:
+  push:
+    branches:
+      - '*'
+
+jobs:
+  kind:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Restore Go cache
+        uses: actions/cache@v1
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+      - name: Setup Go
+        uses: actions/setup-go@v2-beta
+        with:
+          go-version: 1.14.x
+      - name: Setup Helm
+        uses: ./.github/actions/helm
+      - name: Setup Kubernetes
+        uses: engineerd/setup-kind@v0.4.0
+      - name: Test
+        run: make test
+      - name: Check if working tree is dirty
+        run: |
+          if [[ $(git diff --stat) != '' ]]; then
+            echo 'run make test and commit changes'
+            exit 1
+          fi
+      - name: Build
+        run: |
+          GIT_COMMIT=$(git rev-list -1 HEAD) && \
+          docker build -t test/podinfo:latest --build-arg "REVISION=${GIT_COMMIT}" .
+          kind load docker-image test/podinfo:latest
+      - name: Deploy
+        run: |
+          helm upgrade -i podinfo ./charts/podinfo \
+          --set image.repository=test/podinfo \
+          --set image.tag=latest \
+          --namespace=default \
+          --wait
+      - name: Integration test
+        run: |
+          kubectl rollout status deployment/podinfo --timeout=1m
+          helm test podinfo --logs
+      - name: Debug failure
+        if: failure()
+        run: |
+          kubectl logs -l app=podinfo || true