mirror of
https://github.com/k3s-io/k3s.git
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235 lines
8.7 KiB
Go
235 lines
8.7 KiB
Go
package splitserver
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import (
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"flag"
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"fmt"
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"os"
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"strconv"
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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: generic/ubuntu2004, 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 etcdCount = flag.Int("etcdCount", 1, "number of server nodes only deploying etcd")
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var controlPlaneCount = flag.Int("controlPlaneCount", 1, "number of server nodes acting as control plane")
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var agentCount = flag.Int("agentCount", 1, "number of agent nodes")
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var hardened = flag.Bool("hardened", false, "true or false")
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// Environment Variables Info:
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// E2E_RELEASE_VERSION=v1.23.1+k3s2 or nil for latest commit from master
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func createSplitCluster(nodeOS string, etcdCount, controlPlaneCount, agentCount int) ([]string, []string, []string, error) {
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etcdNodeNames := make([]string, etcdCount)
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for i := 0; i < etcdCount; i++ {
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etcdNodeNames[i] = "server-etcd-" + strconv.Itoa(i)
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}
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cpNodeNames := make([]string, controlPlaneCount)
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for i := 0; i < controlPlaneCount; i++ {
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cpNodeNames[i] = "server-cp-" + strconv.Itoa(i)
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}
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agentNodeNames := make([]string, agentCount)
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for i := 0; i < agentCount; i++ {
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agentNodeNames[i] = "agent-" + strconv.Itoa(i)
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}
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nodeRoles := strings.Join(etcdNodeNames, " ") + " " + strings.Join(cpNodeNames, " ") + " " + strings.Join(agentNodeNames, " ")
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nodeRoles = strings.TrimSpace(nodeRoles)
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nodeBoxes := strings.Repeat(nodeOS+" ", etcdCount+controlPlaneCount+agentCount)
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nodeBoxes = strings.TrimSpace(nodeBoxes)
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var testOptions string
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for _, env := range os.Environ() {
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if strings.HasPrefix(env, "E2E_") {
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testOptions += " " + env
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}
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}
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cmd := fmt.Sprintf(`E2E_NODE_ROLES="%s" E2E_NODE_BOXES="%s" %s vagrant up &> vagrant.log`, nodeRoles, nodeBoxes, testOptions)
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fmt.Println(cmd)
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if _, err := e2e.RunCommand(cmd); err != nil {
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fmt.Println("Error Creating Cluster", err)
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return nil, nil, nil, err
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}
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return etcdNodeNames, cpNodeNames, agentNodeNames, nil
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}
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func Test_E2ESplitServer(t *testing.T) {
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RegisterFailHandler(Fail)
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flag.Parse()
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RunSpecs(t, "Split Server Test Suite")
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}
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var (
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kubeConfigFile string
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etcdNodeNames []string
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cpNodeNames []string
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agentNodeNames []string
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)
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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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etcdNodeNames, cpNodeNames, agentNodeNames, err = createSplitCluster(*nodeOS, *etcdCount, *controlPlaneCount, *agentCount)
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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("Etcd Server Nodes:", etcdNodeNames)
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fmt.Println("Control Plane Server Nodes:", cpNodeNames)
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fmt.Println("Agent Nodes:", agentNodeNames)
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kubeConfigFile, err = e2e.GenKubeConfigFile(cpNodeNames[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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_, err := e2e.DeployWorkload("clusterip.yaml", kubeConfigFile, *hardened)
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Expect(err).NotTo(HaveOccurred(), "Cluster IP manifest not deployed")
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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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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "240s", "5s").Should(ContainSubstring("test-clusterip"), "failed cmd: "+cmd)
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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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for _, nodeName := range cpNodeNames {
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Eventually(func() (string, error) {
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return e2e.RunCmdOnNode(cmd, nodeName)
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}, "120s", "10s").Should(ContainSubstring("test-clusterip"), "failed cmd: "+cmd)
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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 cpNodeNames {
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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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cmd = "kubectl get pods -o=name -l k8s-app=nginx-app-nodeport --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile
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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "240s", "5s").Should(ContainSubstring("test-nodeport"), "nodeport pod was not created")
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cmd = "curl -L --insecure http://" + nodeExternalIP + ":" + nodeport + "/name.html"
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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "240s", "5s").Should(ContainSubstring("test-nodeport"), "failed cmd: "+cmd)
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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 cpNodeNames {
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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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cmd = "kubectl get pods -o=name -l k8s-app=nginx-app-loadbalancer --field-selector=status.phase=Running --kubeconfig=" + kubeConfigFile
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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "240s", "5s").Should(ContainSubstring("test-loadbalancer"), "failed cmd: "+cmd)
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cmd = "curl -L --insecure http://" + ip + ":" + port + "/name.html"
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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "240s", "5s").Should(ContainSubstring("test-loadbalancer"), "failed cmd: "+cmd)
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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 cpNodeNames {
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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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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "240s", "5s").Should(ContainSubstring("test-ingress"), "failed cmd: "+cmd)
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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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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("CP COUNT")
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fmt.Println(len(cpNodeNames))
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g.Expect(len(cpNodeNames)).Should((Equal(count)), "Daemonset pod count does not match cp node count")
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}, "240s", "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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cmd := "kubectl get pods dnsutils --kubeconfig=" + kubeConfigFile
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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "420s", "2s").Should(ContainSubstring("dnsutils"), "failed cmd: "+cmd)
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cmd = "kubectl --kubeconfig=" + kubeConfigFile + " exec -i -t dnsutils -- nslookup kubernetes.default"
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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "420s", "2s").Should(ContainSubstring("kubernetes.default.svc.cluster.local"), "failed cmd: "+cmd)
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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 || CurrentSpecReport().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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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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