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128 lines
3.8 KiB
128 lines
3.8 KiB
package tailscale
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import (
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"flag"
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"fmt"
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"os"
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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", 1, "number of server nodes")
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var agentCount = flag.Int("agentCount", 1, "number of agent nodes")
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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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func Test_E2ETailscale(t *testing.T) {
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flag.Parse()
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RegisterFailHandler(Fail)
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suiteConfig, reporterConfig := GinkgoConfiguration()
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RunSpecs(t, "Tailscale 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 Tailscale Configuration", Ordered, 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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// Server node needs to be ready before we continue
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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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}, "620s", "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("Change agent's config", func() {
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nodeIPs, _ := e2e.GetNodeIPs(kubeConfigFile)
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cmd := fmt.Sprintf("sudo sed -i 's/TAILSCALEIP/%s/g' /etc/rancher/k3s/config.yaml", nodeIPs[0].IPv4)
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for _, agent := range agentNodeNames {
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_, err := e2e.RunCmdOnNode(cmd, agent)
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Expect(err).NotTo(HaveOccurred())
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}
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})
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It("Restart agents", func() {
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err := e2e.RestartCluster(agentNodeNames)
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Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err))
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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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}, "620s", "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("Verifies that server and agent have a tailscale IP as nodeIP", func() {
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nodeIPs, err := e2e.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("100."))
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}
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})
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It("Verify routing is correct and uses tailscale0 interface for internode traffic", func() {
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// table 52 is the one configured by tailscale
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cmd := "ip route show table 52"
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for _, node := range append(serverNodeNames, agentNodeNames...) {
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output, err := e2e.RunCmdOnNode(cmd, node)
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fmt.Println(err)
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Expect(err).NotTo(HaveOccurred())
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Expect(output).Should(ContainSubstring("10.42."))
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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.GetCoverageReport(append(serverNodeNames, agentNodeNames...))).To(Succeed())
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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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