ci: add coverage output and nightly workflow with etcd e2e suite

Signed-off-by: Maximilian Rink <maximilian.rink@telekom.de>

.github/workflows/nightly-e2e.yaml

@@ -0,0 +1,50 @@
+name: Nightly e2e
+
+on:
+  schedule:
+    - cron: '30 2 * * *'
+  workflow_dispatch:
+
+jobs:
+  unit-coverage:
+    runs-on: ubuntu-latest
+    name: Unit tests with coverage
+    timeout-minutes: 30
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v7
+      - name: Install Go
+        uses: actions/setup-go@v7
+        with:
+          go-version-file: go.mod
+      - name: Run tests
+        run: make unit-tests
+      - name: Upload coverage
+        uses: actions/upload-artifact@v7
+        with:
+          name: unit-coverage
+          path: coverage.out
+  etcd-e2e:
+    runs-on: ubuntu-latest
+    name: Etcd E2E tests
+    timeout-minutes: 60
+    continue-on-error: true
+    steps:
+      - name: Ensure fs wont cause issues
+        run: sudo sysctl fs.inotify.max_user_instances=8192 && sudo sysctl fs.inotify.max_user_watches=524288
+      - name: Checkout code
+        uses: actions/checkout@v7
+      - name: Install Go
+        uses: actions/setup-go@v7
+        with:
+          go-version-file: go.mod
+      - name: Build image locally
+        run: make dockerx86Local
+      - name: Run Etcd tests
+        run: DOCKER_API_VERSION=1.48 E2E_KEEP_LOGS=true make e2e-tests-etcd
+      - name: Save logs
+        uses: actions/upload-artifact@v7
+        with:
+          name: etcd-e2e-logs
+          path: /tmp/kube-vip-test*
+        if: always()

.gitignore

@@ -3,6 +3,7 @@ kube-vip
 .vscode
 bin
 testing/e2e/etcd/certs
+coverage.out
 pkg/etcd/etcd.pid
 pkg/etcd/etcd-data
 testing/e2e/e2e.test

Makefile

@@ -23,7 +23,7 @@ GINKGO_PROCS ?=
 GINKGO_PARALLEL := $(if $(GINKGO_PROCS),--procs=$(GINKGO_PROCS),-p)
 BUILDX_CACHE_FLAGS ?=
 
-.PHONY: all build clean install uninstall simplify check run e2e-tests unit-tests integration-tests unit-tests-docker integration-tests-docker
+.PHONY: all build clean install uninstall simplify check run e2e-tests unit-tests integration-tests unit-tests-docker integration-tests-docker e2e-tests-etcd
 
 all: check install
 
@@ -133,7 +133,7 @@ manifest-test:
 	docker run $(REPOSITORY)/$(TARGET):$(DOCKERTAG) manifest daemonset --interface eth0 --vip 192.168.0.1 --image "$(REPOSITORY)/$(TARGET):$(DOCKERTAG)" --bgp --leaderElection --controlplane --services --inCluster
 
 unit-tests:
-	go test -race ./...
+	go test -race -coverprofile=coverage.out -covermode=atomic ./...
 
 unit-tests-docker:
 	docker run --rm -w /kube-vip -v $$(pwd):/kube-vip -v kube-vip-gomod-cache:/go/pkg/mod -v kube-vip-gobuild-cache:/root/.cache/go-build golang:$(GO_VERSION) sh -c "make unit-tests; status=$$?; chmod 666 coverage.out 2>/dev/null || true; exit $$status"
@@ -150,6 +150,9 @@ e2e-tests-rt: get-whoami
 e2e-tests-bgp: get-whoami get-gobgp
 	GOMAXPROCS=4 TEST_MODE=bgp K8S_IMAGE_PATH=kindest/node:$(K8S_VERSION) E2E_IMAGE_PATH=$(REPOSITORY)/$(TARGET):$(DOCKERTAG) go run github.com/onsi/ginkgo/v2/ginkgo --tags=e2e -v $(GINKGO_PARALLEL) $(GINKGO_ARGS) ./testing/e2e
 
+e2e-tests-etcd: get-whoami
+	K8S_IMAGE_PATH=kindest/node:$(K8S_VERSION) E2E_IMAGE_PATH=$(REPOSITORY)/$(TARGET):$(DOCKERTAG) go run github.com/onsi/ginkgo/v2/ginkgo --tags=e2e -v $(GINKGO_PARALLEL) $(GINKGO_ARGS) ./testing/e2e/etcd
+
 e2e-tests: e2e-tests-arp e2e-tests-rt e2e-tests-bgp
 
 service-tests: