mirror of
https://github.com/k3s-io/k3s.git
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321 lines
12 KiB
Go
321 lines
12 KiB
Go
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package e2e
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import (
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"flag"
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"fmt"
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"strings"
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"testing"
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"time"
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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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func Test_E2EClusterCreateValidation(t *testing.T) {
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RegisterFailHandler(Fail)
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flag.Parse()
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RunSpecs(t, "Create Cluster Test Suite")
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}
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var _ = Describe("Test:", func() {
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Context("Build Cluster:", func() {
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It("Starts up with no issues", func() {
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kubeConfigFile, masterIPs, workerIPs, err = BuildCluster(*nodeOs, *clusterType, *externalDb, *resourceName, &testing.T{}, *destroy)
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Expect(err).NotTo(HaveOccurred())
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defer GinkgoRecover()
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if *destroy {
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fmt.Printf("\nCluster is being Deleted\n")
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return
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}
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fmt.Println("\nCLUSTER CONFIG:\nOS", *nodeOs, "BACKEND", *clusterType, *externalDb)
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fmt.Printf("\nIPs:\n")
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fmt.Println("Server Node IPS:", masterIPs)
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fmt.Println("Agent Node IPS:", workerIPs)
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fmt.Println(kubeConfigFile)
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Expect(kubeConfigFile).Should(ContainSubstring(*resourceName))
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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 := 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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_, _ = 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 := 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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_, _ = ParsePods(kubeConfigFile, true)
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})
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It("Verifies ClusterIP Service", func() {
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_, err := DeployWorkload("clusterip.yaml", kubeConfigFile, false)
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Expect(err).NotTo(HaveOccurred(), "Cluster IP manifest not deployed")
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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 := RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should((ContainSubstring("test-clusterip")))
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}, "420s", "5s").Should(Succeed())
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clusterip, _ := FetchClusterIP(kubeConfigFile, "nginx-clusterip-svc")
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cmd := "curl -L --insecure http://" + clusterip + "/name.html"
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fmt.Println(cmd)
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nodeExternalIP := FetchNodeExternalIP(kubeConfigFile)
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for _, ip := range nodeExternalIP {
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Eventually(func(g Gomega) {
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res, err := RunCmdOnNode(cmd, ip, *sshuser, *sshkey)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("test-clusterip"))
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}, "420s", "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 := DeployWorkload("nodeport.yaml", kubeConfigFile, false)
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Expect(err).NotTo(HaveOccurred(), "NodePort manifest not deployed")
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nodeExternalIP := FetchNodeExternalIP(kubeConfigFile)
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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 := RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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for _, ip := range nodeExternalIP {
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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 := RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("test-nodeport"))
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}, "240s", "5s").Should(Succeed())
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cmd = "curl -L --insecure http://" + ip + ":" + nodeport + "/name.html"
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fmt.Println(cmd)
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Eventually(func(g Gomega) {
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res, err := RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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fmt.Println(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 := DeployWorkload("loadbalancer.yaml", kubeConfigFile, false)
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Expect(err).NotTo(HaveOccurred(), "Loadbalancer manifest not deployed")
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nodeExternalIP := FetchNodeExternalIP(kubeConfigFile)
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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 := RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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for _, ip := range nodeExternalIP {
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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 := RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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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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fmt.Println(cmd)
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res, err := RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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fmt.Println(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 := DeployWorkload("ingress.yaml", kubeConfigFile, false)
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Expect(err).NotTo(HaveOccurred(), "Ingress manifest not deployed")
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Eventually(func(g Gomega) {
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cmd := "kubectl get pods -o=name -l k8s-app=nginx-app-ingress --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile
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res, err := RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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g.Expect(res).Should(ContainSubstring("test-ingress"))
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}, "240s", "5s").Should(Succeed())
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ingressIps, err := FetchIngressIP(kubeConfigFile)
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Expect(err).NotTo(HaveOccurred(), "Ingress ip is not returned")
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for _, ip := range ingressIps {
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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 := RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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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 := DeployWorkload("daemonset.yaml", kubeConfigFile, false)
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Expect(err).NotTo(HaveOccurred(), "Daemonset manifest not deployed")
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nodes, _ := ParseNodes(kubeConfigFile, false)
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pods, _ := ParsePods(kubeConfigFile, false)
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Eventually(func(g Gomega) {
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count := 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 Local Path Provisioner storage ", func() {
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_, err := DeployWorkload("local-path-provisioner.yaml", kubeConfigFile, false)
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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 pvc local-path-pvc --kubeconfig=" + kubeConfigFile
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res, err := RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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fmt.Println(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 := RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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fmt.Println(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 = RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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fmt.Println("Data stored in pvc: local-path-test")
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cmd = "kubectl delete pod volume-test --kubeconfig=" + kubeConfigFile
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res, err := RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred())
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fmt.Println(res)
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_, err = DeployWorkload("local-path-provisioner.yaml", kubeConfigFile, false)
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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, _ := RunCommand(cmd)
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fmt.Println(res)
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g.Expect(res).Should(ContainSubstring("pod/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 := RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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fmt.Println(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 cat /data/test --kubeconfig=" + kubeConfigFile
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res, err = RunCommand(cmd)
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g.Expect(err).NotTo(HaveOccurred())
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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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It("Verifies dns access", func() {
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_, err := DeployWorkload("dnsutils.yaml", kubeConfigFile, false)
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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, _ := RunCommand(cmd)
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fmt.Println(res)
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g.Expect(res).Should(ContainSubstring("dnsutils"))
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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 --kubeconfig=" + kubeConfigFile + " exec -t dnsutils -- nslookup kubernetes.default"
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res, _ := RunCommand(cmd)
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fmt.Println(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("Validate Rebooting nodes", func() {
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if *destroy {
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return
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}
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defer GinkgoRecover()
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nodeExternalIP := FetchNodeExternalIP(kubeConfigFile)
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for _, ip := range nodeExternalIP {
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fmt.Println("\nRebooting node: ", ip)
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cmd := "ssh -i " + *sshkey + " -o \"StrictHostKeyChecking no\" " + *sshuser + "@" + ip + " sudo reboot"
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_, _ = RunCommand(cmd)
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time.Sleep(3 * time.Minute)
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fmt.Println("\nNode and Pod Status after rebooting node: ", ip)
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Eventually(func(g Gomega) {
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nodes, err := 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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_, _ = ParseNodes(kubeConfigFile, true)
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Eventually(func(g Gomega) {
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pods, err := 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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_, _ = ParsePods(kubeConfigFile, true)
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}
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})
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})
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})
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var failed = false
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var _ = AfterEach(func() {
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failed = failed || CurrentGinkgoTestDescription().Failed
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})
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var _ = AfterSuite(func() {
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if failed {
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fmt.Println("FAILED!")
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} else {
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kubeConfigFile, masterIPs, workerIPs, err = BuildCluster(*nodeOs, *clusterType, *externalDb, *resourceName, &testing.T{}, true)
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if err != nil {
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fmt.Println("Error Destroying Cluster", err)
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}
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}
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})
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