package validatecluster import ( "flag" "fmt" "os" "strings" "testing" "github.com/k3s-io/k3s/tests/e2e" . "github.com/onsi/ginkgo/v2" . "github.com/onsi/gomega" ) // Valid nodeOS: // generic/ubuntu2004, generic/centos7, generic/rocky8, // opensuse/Leap-15.3.x86_64 var nodeOS = flag.String("nodeOS", "generic/ubuntu2004", "VM operating system") var serverCount = flag.Int("serverCount", 3, "number of server nodes") var agentCount = flag.Int("agentCount", 2, "number of agent nodes") var hardened = flag.Bool("hardened", false, "true or false") var ci = flag.Bool("ci", false, "running on CI") var local = flag.Bool("local", false, "deploy a locally built K3s binary") // Environment Variables Info: // E2E_EXTERNAL_DB: mysql, postgres, etcd (default: etcd) // E2E_RELEASE_VERSION=v1.23.1+k3s2 (default: latest commit from master) // E2E_REGISTRY: true/false (default: false) func Test_E2EClusterValidation(t *testing.T) { RegisterFailHandler(Fail) flag.Parse() suiteConfig, reporterConfig := GinkgoConfiguration() RunSpecs(t, "Create Cluster Test Suite", suiteConfig, reporterConfig) } var ( kubeConfigFile string serverNodeNames []string agentNodeNames []string ) var _ = ReportAfterEach(e2e.GenReport) var _ = Describe("Verify Create", Ordered, func() { Context("Cluster :", func() { It("Starts up with no issues", func() { var err error if *local { serverNodeNames, agentNodeNames, err = e2e.CreateLocalCluster(*nodeOS, *serverCount, *agentCount) } else { serverNodeNames, agentNodeNames, err = e2e.CreateCluster(*nodeOS, *serverCount, *agentCount) } Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err)) fmt.Println("CLUSTER CONFIG") fmt.Println("OS:", *nodeOS) fmt.Println("Server Nodes:", serverNodeNames) fmt.Println("Agent Nodes:", agentNodeNames) kubeConfigFile, err = e2e.GenKubeConfigFile(serverNodeNames[0]) Expect(err).NotTo(HaveOccurred()) }) It("Checks Node and Pod Status", func() { fmt.Printf("\nFetching node status\n") Eventually(func(g Gomega) { nodes, err := e2e.ParseNodes(kubeConfigFile, false) g.Expect(err).NotTo(HaveOccurred()) for _, node := range nodes { g.Expect(node.Status).Should(Equal("Ready")) } }, "620s", "5s").Should(Succeed()) _, _ = e2e.ParseNodes(kubeConfigFile, true) fmt.Printf("\nFetching Pods status\n") Eventually(func(g Gomega) { pods, err := e2e.ParsePods(kubeConfigFile, false) g.Expect(err).NotTo(HaveOccurred()) for _, pod := range pods { if strings.Contains(pod.Name, "helm-install") { g.Expect(pod.Status).Should(Equal("Completed"), pod.Name) } else { g.Expect(pod.Status).Should(Equal("Running"), pod.Name) } } }, "620s", "5s").Should(Succeed()) _, _ = e2e.ParsePods(kubeConfigFile, true) }) It("Verifies ClusterIP Service", func() { res, err := e2e.DeployWorkload("clusterip.yaml", kubeConfigFile, *hardened) Expect(err).NotTo(HaveOccurred(), "Cluster IP manifest not deployed: "+res) Eventually(func(g Gomega) { cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-clusterip --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile res, err := e2e.RunCommand(cmd) Expect(err).NotTo(HaveOccurred()) g.Expect(res).Should((ContainSubstring("test-clusterip")), "failed cmd: "+cmd+" result: "+res) }, "240s", "5s").Should(Succeed()) clusterip, _ := e2e.FetchClusterIP(kubeConfigFile, "nginx-clusterip-svc", false) cmd := "curl -L --insecure http://" + clusterip + "/name.html" fmt.Println(cmd) for _, nodeName := range serverNodeNames { Eventually(func(g Gomega) { res, err := e2e.RunCmdOnNode(cmd, nodeName) g.Expect(err).NotTo(HaveOccurred()) Expect(res).Should(ContainSubstring("test-clusterip")) }, "120s", "10s").Should(Succeed()) } }) It("Verifies NodePort Service", func() { _, err := e2e.DeployWorkload("nodeport.yaml", kubeConfigFile, *hardened) Expect(err).NotTo(HaveOccurred(), "NodePort manifest not deployed") for _, nodeName := range serverNodeNames { nodeExternalIP, _ := e2e.FetchNodeExternalIP(nodeName) cmd := "kubectl get service nginx-nodeport-svc --kubeconfig=" + kubeConfigFile + " --output jsonpath=\"{.spec.ports[0].nodePort}\"" nodeport, err := e2e.RunCommand(cmd) Expect(err).NotTo(HaveOccurred()) Eventually(func(g Gomega) { cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-nodeport --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile res, err := e2e.RunCommand(cmd) Expect(err).NotTo(HaveOccurred()) g.Expect(res).Should(ContainSubstring("test-nodeport"), "nodeport pod was not created") }, "240s", "5s").Should(Succeed()) cmd = "curl -L --insecure http://" + nodeExternalIP + ":" + nodeport + "/name.html" fmt.Println(cmd) Eventually(func(g Gomega) { res, err := e2e.RunCommand(cmd) g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) g.Expect(res).Should(ContainSubstring("test-nodeport")) }, "240s", "5s").Should(Succeed()) } }) It("Verifies LoadBalancer Service", func() { _, err := e2e.DeployWorkload("loadbalancer.yaml", kubeConfigFile, *hardened) Expect(err).NotTo(HaveOccurred(), "Loadbalancer manifest not deployed") for _, nodeName := range serverNodeNames { ip, _ := e2e.FetchNodeExternalIP(nodeName) cmd := "kubectl get service nginx-loadbalancer-svc --kubeconfig=" + kubeConfigFile + " --output jsonpath=\"{.spec.ports[0].port}\"" port, err := e2e.RunCommand(cmd) Expect(err).NotTo(HaveOccurred()) Eventually(func(g Gomega) { cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-loadbalancer --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile res, err := e2e.RunCommand(cmd) g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) g.Expect(res).Should(ContainSubstring("test-loadbalancer")) }, "240s", "5s").Should(Succeed()) Eventually(func(g Gomega) { cmd = "curl -L --insecure http://" + ip + ":" + port + "/name.html" res, err := e2e.RunCommand(cmd) g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) g.Expect(res).Should(ContainSubstring("test-loadbalancer")) }, "240s", "5s").Should(Succeed()) } }) It("Verifies Ingress", func() { _, err := e2e.DeployWorkload("ingress.yaml", kubeConfigFile, *hardened) Expect(err).NotTo(HaveOccurred(), "Ingress manifest not deployed") for _, nodeName := range serverNodeNames { ip, _ := e2e.FetchNodeExternalIP(nodeName) cmd := "curl --header host:foo1.bar.com" + " http://" + ip + "/name.html" fmt.Println(cmd) Eventually(func(g Gomega) { res, err := e2e.RunCommand(cmd) g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) g.Expect(res).Should(ContainSubstring("test-ingress")) }, "240s", "5s").Should(Succeed()) } }) It("Verifies Daemonset", func() { _, err := e2e.DeployWorkload("daemonset.yaml", kubeConfigFile, *hardened) Expect(err).NotTo(HaveOccurred(), "Daemonset manifest not deployed") nodes, _ := e2e.ParseNodes(kubeConfigFile, false) Eventually(func(g Gomega) { pods, _ := e2e.ParsePods(kubeConfigFile, false) count := e2e.CountOfStringInSlice("test-daemonset", pods) fmt.Println("POD COUNT") fmt.Println(count) fmt.Println("NODE COUNT") fmt.Println(len(nodes)) g.Expect(len(nodes)).Should((Equal(count)), "Daemonset pod count does not match node count") }, "420s", "10s").Should(Succeed()) }) It("Verifies dns access", func() { _, err := e2e.DeployWorkload("dnsutils.yaml", kubeConfigFile, *hardened) Expect(err).NotTo(HaveOccurred(), "dnsutils manifest not deployed") Eventually(func(g Gomega) { cmd := "kubectl get pods dnsutils --kubeconfig=" + kubeConfigFile res, err := e2e.RunCommand(cmd) g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) g.Expect(res).Should(ContainSubstring("dnsutils")) }, "420s", "2s").Should(Succeed()) Eventually(func(g Gomega) { cmd := "kubectl --kubeconfig=" + kubeConfigFile + " exec -i -t dnsutils -- nslookup kubernetes.default" res, err := e2e.RunCommand(cmd) g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) g.Expect(res).Should(ContainSubstring("kubernetes.default.svc.cluster.local")) }, "420s", "2s").Should(Succeed()) }) It("Verifies Local Path Provisioner storage ", func() { res, err := e2e.DeployWorkload("local-path-provisioner.yaml", kubeConfigFile, *hardened) Expect(err).NotTo(HaveOccurred(), "local-path-provisioner manifest not deployed: "+res) Eventually(func(g Gomega) { cmd := "kubectl get pvc local-path-pvc --kubeconfig=" + kubeConfigFile res, err := e2e.RunCommand(cmd) g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) g.Expect(res).Should(ContainSubstring("local-path-pvc")) g.Expect(res).Should(ContainSubstring("Bound")) }, "420s", "2s").Should(Succeed()) Eventually(func(g Gomega) { cmd := "kubectl get pod volume-test --kubeconfig=" + kubeConfigFile res, err := e2e.RunCommand(cmd) g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) g.Expect(res).Should(ContainSubstring("volume-test")) g.Expect(res).Should(ContainSubstring("Running")) }, "420s", "2s").Should(Succeed()) cmd := "kubectl --kubeconfig=" + kubeConfigFile + " exec volume-test -- sh -c 'echo local-path-test > /data/test'" _, err = e2e.RunCommand(cmd) Expect(err).NotTo(HaveOccurred()) cmd = "kubectl delete pod volume-test --kubeconfig=" + kubeConfigFile res, err = e2e.RunCommand(cmd) Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) _, err = e2e.DeployWorkload("local-path-provisioner.yaml", kubeConfigFile, *hardened) Expect(err).NotTo(HaveOccurred(), "local-path-provisioner manifest not deployed") Eventually(func(g Gomega) { cmd := "kubectl get pods -o=name -l app=local-path-provisioner --field-selector=status.phase=Running -n kube-system --kubeconfig=" + kubeConfigFile res, _ := e2e.RunCommand(cmd) g.Expect(res).Should(ContainSubstring("local-path-provisioner")) }, "420s", "2s").Should(Succeed()) Eventually(func(g Gomega) { cmd := "kubectl get pod volume-test --kubeconfig=" + kubeConfigFile res, err := e2e.RunCommand(cmd) g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) g.Expect(res).Should(ContainSubstring("volume-test")) g.Expect(res).Should(ContainSubstring("Running")) }, "420s", "2s").Should(Succeed()) Eventually(func(g Gomega) { cmd := "kubectl exec volume-test --kubeconfig=" + kubeConfigFile + " -- cat /data/test" res, err = e2e.RunCommand(cmd) g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) fmt.Println("Data after re-creation", res) g.Expect(res).Should(ContainSubstring("local-path-test")) }, "180s", "2s").Should(Succeed()) }) }) }) var failed bool var _ = AfterEach(func() { failed = failed || CurrentSpecReport().Failed() }) var _ = AfterSuite(func() { if failed && !*ci { fmt.Println("FAILED!") } else { Expect(e2e.DestroyCluster()).To(Succeed()) Expect(os.Remove(kubeConfigFile)).To(Succeed()) } })