mirror of https://github.com/k3s-io/k3s
215 lines
7.3 KiB
Go
215 lines
7.3 KiB
Go
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: generic/ubuntu2004, opensuse/Leap-15.3.x86_64
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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", 0, "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+k3s1 or nil for latest commit from master
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type objIP struct {
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name string
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ipv4 string
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ipv6 string
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}
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func getPodIPs(kubeConfigFile string) ([]objIP, error) {
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cmd := `kubectl get pods -A -o=jsonpath='{range .items[*]}{.metadata.name}{" "}{.status.podIPs[*].ip}{"\n"}{end}' --kubeconfig=` + kubeConfigFile
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return getObjIPs(cmd)
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}
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func getNodeIPs(kubeConfigFile string) ([]objIP, error) {
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cmd := `kubectl get nodes -o jsonpath='{range .items[*]}{.metadata.name}{" "}{.status.addresses[?(@.type == "InternalIP")].address}{"\n"}{end}' --kubeconfig=` + kubeConfigFile
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return getObjIPs(cmd)
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}
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func getObjIPs(cmd string) ([]objIP, error) {
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var objIPs []objIP
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res, err := e2e.RunCommand(cmd)
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if err != nil {
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return nil, err
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}
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objs := strings.Split(res, "\n")
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objs = objs[:len(objs)-1]
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for _, obj := range objs {
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fields := strings.Fields(obj)
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if len(fields) > 2 {
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objIPs = append(objIPs, objIP{name: fields[0], ipv4: fields[1], ipv6: fields[2]})
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} else if len(fields) > 1 {
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objIPs = append(objIPs, objIP{name: fields[0], ipv4: fields[1]})
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} else {
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objIPs = append(objIPs, objIP{name: fields[0]})
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}
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}
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return objIPs, nil
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}
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func Test_E2EDualStack(t *testing.T) {
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flag.Parse()
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RegisterFailHandler(Fail)
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RunSpecs(t, "Validate DualStack Suite")
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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 _ = Describe("Verify DualStack Configuration", func() {
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It("Starts up with no issues", func() {
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var err error
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serverNodeNames, agentNodeNames, err = e2e.CreateCluster(*nodeOS, *serverCount, *agentCount)
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Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog())
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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 Status", func() {
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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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_, err := e2e.ParseNodes(kubeConfigFile, true)
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Expect(err).NotTo(HaveOccurred())
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})
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It("Checks Pod Status", func() {
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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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_, err := e2e.ParsePods(kubeConfigFile, true)
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Expect(err).NotTo(HaveOccurred())
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})
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It("Verifies that each node has IPv4 and IPv6", func() {
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nodeIPs, err := getNodeIPs(kubeConfigFile)
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Expect(err).NotTo(HaveOccurred())
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for _, node := range nodeIPs {
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Expect(node.ipv4).Should(ContainSubstring("10.10.10"))
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Expect(node.ipv6).Should(ContainSubstring("a11:decf:c0ff"))
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}
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})
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It("Verifies that each pod has IPv4 and IPv6", func() {
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podIPs, err := getPodIPs(kubeConfigFile)
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Expect(err).NotTo(HaveOccurred())
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for _, pod := range podIPs {
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Expect(pod.ipv4).Should(Or(ContainSubstring("10.10.10"), ContainSubstring("10.42.")), pod.name)
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Expect(pod.ipv6).Should(Or(ContainSubstring("a11:decf:c0ff"), ContainSubstring("2001:cafe:42")), pod.name)
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}
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})
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It("Verifies ClusterIP Service", func() {
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_, err := e2e.DeployWorkload("dualstack_clusterip.yaml", kubeConfigFile, *hardened)
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Expect(err).NotTo(HaveOccurred())
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Eventually(func() (string, error) {
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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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return e2e.RunCommand(cmd)
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}, "120s", "5s").Should(ContainSubstring("ds-clusterip-pod"))
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// Checks both IPv4 and IPv6
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clusterips, err := e2e.FetchClusterIP(kubeConfigFile, "ds-clusterip-svc", true)
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Expect(err).NotTo(HaveOccurred())
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for _, ip := range strings.Split(clusterips, ",") {
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if strings.Contains(ip, "::") {
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ip = "[" + ip + "]"
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}
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pods, err := e2e.ParsePods(kubeConfigFile, false)
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Expect(err).NotTo(HaveOccurred())
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for _, pod := range pods {
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if !strings.HasPrefix(pod.Name, "ds-clusterip-pod") {
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continue
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}
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cmd := fmt.Sprintf("curl -L --insecure http://%s", ip)
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Eventually(func() (string, error) {
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return e2e.RunCmdOnNode(cmd, serverNodeNames[0])
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}, "60s", "5s").Should(ContainSubstring("Welcome to nginx!"), "failed cmd: "+cmd)
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}
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}
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})
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It("Verifies Ingress", func() {
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_, err := e2e.DeployWorkload("dualstack_ingress.yaml", kubeConfigFile, *hardened)
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Expect(err).NotTo(HaveOccurred(), "Ingress manifest not deployed")
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cmd := "kubectl get ingress ds-ingress --kubeconfig=" + kubeConfigFile + " -o jsonpath=\"{.spec.rules[*].host}\""
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hostName, err := e2e.RunCommand(cmd)
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Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd)
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nodeIPs, err := getNodeIPs(kubeConfigFile)
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Expect(err).NotTo(HaveOccurred(), "failed cmd: "+cmd)
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for _, node := range nodeIPs {
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cmd := fmt.Sprintf("curl --header host:%s http://%s/name.html", hostName, node.ipv4)
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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "10s", "2s").Should(ContainSubstring("ds-clusterip-pod"), "failed cmd: "+cmd)
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cmd = fmt.Sprintf("curl --header host:%s http://[%s]/name.html", hostName, node.ipv6)
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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "5s", "1s").Should(ContainSubstring("ds-clusterip-pod"), "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("dualstack_nodeport.yaml", kubeConfigFile, *hardened)
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Expect(err).NotTo(HaveOccurred())
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cmd := "kubectl get service ds-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(), "failed cmd: "+cmd)
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nodeIPs, err := getNodeIPs(kubeConfigFile)
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Expect(err).NotTo(HaveOccurred())
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for _, node := range nodeIPs {
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cmd = "curl -L --insecure http://" + node.ipv4 + ":" + nodeport + "/name.html"
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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "10s", "1s").Should(ContainSubstring("ds-nodeport-pod"), "failed cmd: "+cmd)
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cmd = "curl -L --insecure http://[" + node.ipv6 + "]:" + nodeport + "/name.html"
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Eventually(func() (string, error) {
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return e2e.RunCommand(cmd)
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}, "10s", "1s").Should(ContainSubstring("ds-nodeport-pod"), "failed cmd: "+cmd)
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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 || 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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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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