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288 lines
11 KiB
288 lines
11 KiB
package validatecluster |
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import ( |
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"flag" |
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"fmt" |
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"os" |
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"strings" |
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"testing" |
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"github.com/k3s-io/k3s/tests/e2e" |
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. "github.com/onsi/ginkgo/v2" |
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. "github.com/onsi/gomega" |
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) |
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// Valid nodeOS: |
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// generic/ubuntu2004, generic/centos7, generic/rocky8, |
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// opensuse/Leap-15.3.x86_64, dweomer/microos.amd64 |
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var nodeOS = flag.String("nodeOS", "generic/ubuntu2004", "VM operating system") |
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var serverCount = flag.Int("serverCount", 3, "number of server nodes") |
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var agentCount = flag.Int("agentCount", 2, "number of agent nodes") |
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var hardened = flag.Bool("hardened", false, "true or false") |
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var ci = flag.Bool("ci", false, "running on CI") |
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var local = flag.Bool("local", false, "deploy a locally built K3s binary") |
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// Environment Variables Info: |
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// E2E_EXTERNAL_DB: mysql, postgres, etcd (default: etcd) |
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// E2E_RELEASE_VERSION=v1.23.1+k3s2 (default: latest commit from master) |
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// E2E_REGISTRY: true/false (default: false) |
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func Test_E2EClusterValidation(t *testing.T) { |
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RegisterFailHandler(Fail) |
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flag.Parse() |
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suiteConfig, reporterConfig := GinkgoConfiguration() |
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RunSpecs(t, "Create Cluster Test Suite", suiteConfig, reporterConfig) |
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} |
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var ( |
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kubeConfigFile string |
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serverNodeNames []string |
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agentNodeNames []string |
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) |
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var _ = ReportAfterEach(e2e.GenReport) |
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var _ = Describe("Verify Create", Ordered, func() { |
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Context("Cluster :", func() { |
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It("Starts up with no issues", func() { |
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var err error |
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if *local { |
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serverNodeNames, agentNodeNames, err = e2e.CreateLocalCluster(*nodeOS, *serverCount, *agentCount) |
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} else { |
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serverNodeNames, agentNodeNames, err = e2e.CreateCluster(*nodeOS, *serverCount, *agentCount) |
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} |
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Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err)) |
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fmt.Println("CLUSTER CONFIG") |
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fmt.Println("OS:", *nodeOS) |
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fmt.Println("Server Nodes:", serverNodeNames) |
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fmt.Println("Agent Nodes:", agentNodeNames) |
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kubeConfigFile, err = e2e.GenKubeConfigFile(serverNodeNames[0]) |
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Expect(err).NotTo(HaveOccurred()) |
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}) |
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It("Checks Node and Pod Status", func() { |
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fmt.Printf("\nFetching node status\n") |
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Eventually(func(g Gomega) { |
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nodes, err := e2e.ParseNodes(kubeConfigFile, false) |
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g.Expect(err).NotTo(HaveOccurred()) |
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for _, node := range nodes { |
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g.Expect(node.Status).Should(Equal("Ready")) |
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} |
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}, "420s", "5s").Should(Succeed()) |
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_, _ = e2e.ParseNodes(kubeConfigFile, true) |
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fmt.Printf("\nFetching Pods status\n") |
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Eventually(func(g Gomega) { |
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pods, err := e2e.ParsePods(kubeConfigFile, false) |
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g.Expect(err).NotTo(HaveOccurred()) |
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for _, pod := range pods { |
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if strings.Contains(pod.Name, "helm-install") { |
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g.Expect(pod.Status).Should(Equal("Completed"), pod.Name) |
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} else { |
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g.Expect(pod.Status).Should(Equal("Running"), pod.Name) |
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} |
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} |
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}, "420s", "5s").Should(Succeed()) |
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_, _ = e2e.ParsePods(kubeConfigFile, true) |
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}) |
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It("Verifies ClusterIP Service", func() { |
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res, err := e2e.DeployWorkload("clusterip.yaml", kubeConfigFile, *hardened) |
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Expect(err).NotTo(HaveOccurred(), "Cluster IP manifest not deployed: "+res) |
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Eventually(func(g Gomega) { |
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cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-clusterip --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile |
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res, err := e2e.RunCommand(cmd) |
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Expect(err).NotTo(HaveOccurred()) |
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g.Expect(res).Should((ContainSubstring("test-clusterip")), "failed cmd: "+cmd+" result: "+res) |
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}, "240s", "5s").Should(Succeed()) |
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clusterip, _ := e2e.FetchClusterIP(kubeConfigFile, "nginx-clusterip-svc", false) |
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cmd := "curl -L --insecure http://" + clusterip + "/name.html" |
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fmt.Println(cmd) |
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for _, nodeName := range serverNodeNames { |
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Eventually(func(g Gomega) { |
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res, err := e2e.RunCmdOnNode(cmd, nodeName) |
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g.Expect(err).NotTo(HaveOccurred()) |
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Expect(res).Should(ContainSubstring("test-clusterip")) |
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}, "120s", "10s").Should(Succeed()) |
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} |
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}) |
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It("Verifies NodePort Service", func() { |
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_, err := e2e.DeployWorkload("nodeport.yaml", kubeConfigFile, *hardened) |
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Expect(err).NotTo(HaveOccurred(), "NodePort manifest not deployed") |
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for _, nodeName := range serverNodeNames { |
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nodeExternalIP, _ := e2e.FetchNodeExternalIP(nodeName) |
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cmd := "kubectl get service nginx-nodeport-svc --kubeconfig=" + kubeConfigFile + " --output jsonpath=\"{.spec.ports[0].nodePort}\"" |
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nodeport, err := e2e.RunCommand(cmd) |
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Expect(err).NotTo(HaveOccurred()) |
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Eventually(func(g Gomega) { |
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cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-nodeport --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile |
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res, err := e2e.RunCommand(cmd) |
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Expect(err).NotTo(HaveOccurred()) |
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g.Expect(res).Should(ContainSubstring("test-nodeport"), "nodeport pod was not created") |
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}, "240s", "5s").Should(Succeed()) |
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cmd = "curl -L --insecure http://" + nodeExternalIP + ":" + nodeport + "/name.html" |
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fmt.Println(cmd) |
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Eventually(func(g Gomega) { |
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res, err := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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g.Expect(res).Should(ContainSubstring("test-nodeport")) |
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}, "240s", "5s").Should(Succeed()) |
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} |
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}) |
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It("Verifies LoadBalancer Service", func() { |
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_, err := e2e.DeployWorkload("loadbalancer.yaml", kubeConfigFile, *hardened) |
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Expect(err).NotTo(HaveOccurred(), "Loadbalancer manifest not deployed") |
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for _, nodeName := range serverNodeNames { |
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ip, _ := e2e.FetchNodeExternalIP(nodeName) |
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cmd := "kubectl get service nginx-loadbalancer-svc --kubeconfig=" + kubeConfigFile + " --output jsonpath=\"{.spec.ports[0].port}\"" |
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port, err := e2e.RunCommand(cmd) |
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Expect(err).NotTo(HaveOccurred()) |
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Eventually(func(g Gomega) { |
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cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-loadbalancer --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile |
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res, err := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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g.Expect(res).Should(ContainSubstring("test-loadbalancer")) |
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}, "240s", "5s").Should(Succeed()) |
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Eventually(func(g Gomega) { |
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cmd = "curl -L --insecure http://" + ip + ":" + port + "/name.html" |
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res, err := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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g.Expect(res).Should(ContainSubstring("test-loadbalancer")) |
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}, "240s", "5s").Should(Succeed()) |
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} |
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}) |
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It("Verifies Ingress", func() { |
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_, err := e2e.DeployWorkload("ingress.yaml", kubeConfigFile, *hardened) |
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Expect(err).NotTo(HaveOccurred(), "Ingress manifest not deployed") |
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for _, nodeName := range serverNodeNames { |
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ip, _ := e2e.FetchNodeExternalIP(nodeName) |
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cmd := "curl --header host:foo1.bar.com" + " http://" + ip + "/name.html" |
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fmt.Println(cmd) |
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Eventually(func(g Gomega) { |
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res, err := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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g.Expect(res).Should(ContainSubstring("test-ingress")) |
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}, "240s", "5s").Should(Succeed()) |
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} |
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}) |
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It("Verifies Daemonset", func() { |
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_, err := e2e.DeployWorkload("daemonset.yaml", kubeConfigFile, *hardened) |
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Expect(err).NotTo(HaveOccurred(), "Daemonset manifest not deployed") |
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nodes, _ := e2e.ParseNodes(kubeConfigFile, false) |
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Eventually(func(g Gomega) { |
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pods, _ := e2e.ParsePods(kubeConfigFile, false) |
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count := e2e.CountOfStringInSlice("test-daemonset", pods) |
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fmt.Println("POD COUNT") |
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fmt.Println(count) |
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fmt.Println("NODE COUNT") |
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fmt.Println(len(nodes)) |
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g.Expect(len(nodes)).Should((Equal(count)), "Daemonset pod count does not match node count") |
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}, "420s", "10s").Should(Succeed()) |
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}) |
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It("Verifies dns access", func() { |
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_, err := e2e.DeployWorkload("dnsutils.yaml", kubeConfigFile, *hardened) |
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Expect(err).NotTo(HaveOccurred(), "dnsutils manifest not deployed") |
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Eventually(func(g Gomega) { |
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cmd := "kubectl get pods dnsutils --kubeconfig=" + kubeConfigFile |
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res, err := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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g.Expect(res).Should(ContainSubstring("dnsutils")) |
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}, "420s", "2s").Should(Succeed()) |
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Eventually(func(g Gomega) { |
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cmd := "kubectl --kubeconfig=" + kubeConfigFile + " exec -i -t dnsutils -- nslookup kubernetes.default" |
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res, err := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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g.Expect(res).Should(ContainSubstring("kubernetes.default.svc.cluster.local")) |
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}, "420s", "2s").Should(Succeed()) |
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}) |
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It("Verifies Local Path Provisioner storage ", func() { |
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res, err := e2e.DeployWorkload("local-path-provisioner.yaml", kubeConfigFile, *hardened) |
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Expect(err).NotTo(HaveOccurred(), "local-path-provisioner manifest not deployed: "+res) |
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Eventually(func(g Gomega) { |
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cmd := "kubectl get pvc local-path-pvc --kubeconfig=" + kubeConfigFile |
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res, err := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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g.Expect(res).Should(ContainSubstring("local-path-pvc")) |
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g.Expect(res).Should(ContainSubstring("Bound")) |
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}, "420s", "2s").Should(Succeed()) |
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Eventually(func(g Gomega) { |
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cmd := "kubectl get pod volume-test --kubeconfig=" + kubeConfigFile |
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res, err := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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g.Expect(res).Should(ContainSubstring("volume-test")) |
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g.Expect(res).Should(ContainSubstring("Running")) |
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}, "420s", "2s").Should(Succeed()) |
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cmd := "kubectl --kubeconfig=" + kubeConfigFile + " exec volume-test -- sh -c 'echo local-path-test > /data/test'" |
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_, err = e2e.RunCommand(cmd) |
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Expect(err).NotTo(HaveOccurred()) |
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cmd = "kubectl delete pod volume-test --kubeconfig=" + kubeConfigFile |
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res, err = e2e.RunCommand(cmd) |
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Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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_, err = e2e.DeployWorkload("local-path-provisioner.yaml", kubeConfigFile, *hardened) |
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Expect(err).NotTo(HaveOccurred(), "local-path-provisioner manifest not deployed") |
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Eventually(func(g Gomega) { |
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cmd := "kubectl get pods -o=name -l app=local-path-provisioner --field-selector=status.phase=Running -n kube-system --kubeconfig=" + kubeConfigFile |
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res, _ := e2e.RunCommand(cmd) |
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g.Expect(res).Should(ContainSubstring("local-path-provisioner")) |
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}, "420s", "2s").Should(Succeed()) |
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Eventually(func(g Gomega) { |
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cmd := "kubectl get pod volume-test --kubeconfig=" + kubeConfigFile |
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res, err := e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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g.Expect(res).Should(ContainSubstring("volume-test")) |
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g.Expect(res).Should(ContainSubstring("Running")) |
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}, "420s", "2s").Should(Succeed()) |
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Eventually(func(g Gomega) { |
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cmd := "kubectl exec volume-test --kubeconfig=" + kubeConfigFile + " -- cat /data/test" |
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res, err = e2e.RunCommand(cmd) |
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g.Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd+" result: "+res) |
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fmt.Println("Data after re-creation", res) |
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g.Expect(res).Should(ContainSubstring("local-path-test")) |
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}, "180s", "2s").Should(Succeed()) |
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}) |
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}) |
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}) |
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var failed bool |
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var _ = AfterEach(func() { |
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failed = failed || CurrentSpecReport().Failed() |
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}) |
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var _ = AfterSuite(func() { |
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if failed && !*ci { |
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fmt.Println("FAILED!") |
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} else { |
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Expect(e2e.DestroyCluster()).To(Succeed()) |
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Expect(os.Remove(kubeConfigFile)).To(Succeed()) |
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} |
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})
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