ci: Run e2e test on PRs and merges to main

Author: yiannistri

.github/workflows/e2e.yaml

@@ -1,6 +1,10 @@
 name: e2e
 
 on:
+  pull_request:
+  push:
+    branches:
+      - main
   workflow_dispatch:
 
 jobs:
@@ -9,12 +13,33 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/[email protected]
-    - name: Setup
+    - name: Setup | Go
       uses: actions/[email protected]
       with:
         go-version: 1.20.x
-    - name: Prepare
+    - name: Setup | Kubernetes Cluster
+      uses: helm/[email protected]
+      with:
+        version: v0.18.0
+        cluster_name: pipeline-controller
+        node_image: kindest/node:v1.26.3@sha256:61b92f38dff6ccc29969e7aa154d34e38b89443af1a2c14e6cfbd2df6419c66f
+    - name: Setup | Flux
+      run: curl -s https://fluxcd.io/install.sh | sudo bash
+    - name: Prepare | Go # .netrc is used by docker-build, ~/.netrc is used by go test
+      run: echo "machine github.com login ${{ github.actor }} password ${{ secrets.BUILD_BOT_TOKEN }}" | tee ~/.netrc .netrc
+    - name: Prepare | Kubernetes Cluster
       run: |
-        echo "machine github.com login ${{ github.actor }} password ${{ secrets.BUILD_BOT_TOKEN }}" > ~/.netrc 
+        echo "Create flux-system namespace"
+        kubectl create namespace flux-system
+        echo "Adding GitHub promotion credentials"
+        kubectl create secret generic -n flux-system github-promotion-credentials \
+          --from-literal="username=${{ secrets.PROMOTION_GITHUB_USERNAME }}" \
+          --from-literal="password=${{ secrets.PROMOTION_GITHUB_TOKEN }}" \
+          --from-literal="token=${{ secrets.PROMOTION_GITHUB_TOKEN }}"
+        echo "Adding GitLab promotion credentials"
+        kubectl create secret generic -n flux-system gitlab-promotion-credentials \
+          --from-literal="username=${{ secrets.PROMOTION_GITLAB_USERNAME }}" \
+          --from-literal="password=${{ secrets.PROMOTION_GITLAB_TOKEN }}" \
+          --from-literal="token=${{ secrets.PROMOTION_GITLAB_TOKEN }}"
     - name: Run E2E tests
       run: make e2e

Makefile

@@ -214,10 +214,13 @@ e2e: e2e-setup e2e-test e2e-clean
 .PHONY: e2e-setup
 e2e-setup: e2e-kind deploy
 	kubectl wait -n pipeline-system deployment/pipeline-controller --for=condition=available
-	kubectl apply -f e2e/testdata --recursive
+	kubectl apply -k e2e/testdata/pipelines/github
+	kubectl apply -k e2e/testdata/pipelines/gitlab
 
 e2e-kind: docker-build
+ifneq ($(CI), true)
 	kind create cluster --name=pipeline-controller || kubectx kind-pipeline-controller
+endif
 	kind load docker-image --name=pipeline-controller $(IMG)
 	flux install
 
@@ -227,4 +230,9 @@ e2e-test:
 
 .PHONY: e2e-clean
 e2e-clean:
+	kubectl delete -k e2e/testdata/pipelines/github
+	kubectl delete -k e2e/testdata/pipelines/gitlab
+	flux uninstall --silent
+ifneq ($(CI), true)
 	kind delete cluster --name=pipeline-controller
+endif

e2e/testdata/pipelines/github/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - podinfo-dev/
+  - podinfo-prod/
+  - pipeline.yaml

e2e/testdata/pipelines/github/podinfo-dev/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - namespace.yaml
+  - source.yaml
+  - release.yaml
+  - notification.yaml

e2e/testdata/pipelines/github/podinfo-prod/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - namespace.yaml
+  - source.yaml
+  - release.yaml

e2e/testdata/pipelines/gitlab/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - podinfo-dev/
+  - podinfo-prod/
+  - pipeline.yaml

e2e/testdata/pipelines/gitlab/podinfo-dev/kustomization.yaml

@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - namespace.yaml
+  - source.yaml
+  - release.yaml
+  - notification.yaml

e2e/testdata/pipelines/gitlab/podinfo-prod/kustomization.yaml

@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - namespace.yaml
+  - source.yaml
+  - release.yaml