mirror of https://github.com/k3s-io/k3s
321 lines
11 KiB
Go
321 lines
11 KiB
Go
package startup
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/k3s-io/k3s/tests/e2e"
|
|
. "github.com/onsi/ginkgo/v2"
|
|
. "github.com/onsi/gomega"
|
|
)
|
|
|
|
// Valid nodeOS: bento/ubuntu-24.04, opensuse/Leap-15.6.x86_64
|
|
var nodeOS = flag.String("nodeOS", "bento/ubuntu-24.04", "VM operating system")
|
|
var ci = flag.Bool("ci", false, "running on CI")
|
|
var local = flag.Bool("local", false, "deploy a locally built K3s binary")
|
|
|
|
// Environment Variables Info:
|
|
// E2E_RELEASE_VERSION=v1.23.1+k3s2 or nil for latest commit from master
|
|
|
|
// This test suite is used to verify that K3s can start up with dynamic configurations that require
|
|
// both server and agent nodes. It is unique in passing dynamic arguments to vagrant, unlike the
|
|
// rest of the E2E tests, which use static Vagrantfiles and cluster configurations.
|
|
// If you have a server only flag, the startup integration test is a better place to test it.
|
|
|
|
func Test_E2EStartupValidation(t *testing.T) {
|
|
RegisterFailHandler(Fail)
|
|
flag.Parse()
|
|
suiteConfig, reporterConfig := GinkgoConfiguration()
|
|
RunSpecs(t, "Startup Test Suite", suiteConfig, reporterConfig)
|
|
}
|
|
|
|
var (
|
|
kubeConfigFile string
|
|
serverNodeNames []string
|
|
agentNodeNames []string
|
|
)
|
|
|
|
func StartK3sCluster(nodes []string, serverYAML string, agentYAML string) error {
|
|
|
|
for _, node := range nodes {
|
|
var yamlCmd string
|
|
var resetCmd string
|
|
var startCmd string
|
|
if strings.Contains(node, "server") {
|
|
resetCmd = "head -n 3 /etc/rancher/k3s/config.yaml > /tmp/config.yaml && sudo mv /tmp/config.yaml /etc/rancher/k3s/config.yaml"
|
|
yamlCmd = fmt.Sprintf("echo '%s' >> /etc/rancher/k3s/config.yaml", serverYAML)
|
|
startCmd = "systemctl start k3s"
|
|
} else {
|
|
resetCmd = "head -n 4 /etc/rancher/k3s/config.yaml > /tmp/config.yaml && sudo mv /tmp/config.yaml /etc/rancher/k3s/config.yaml"
|
|
yamlCmd = fmt.Sprintf("echo '%s' >> /etc/rancher/k3s/config.yaml", agentYAML)
|
|
startCmd = "systemctl start k3s-agent"
|
|
}
|
|
if _, err := e2e.RunCmdOnNode(resetCmd, node); err != nil {
|
|
return err
|
|
}
|
|
if _, err := e2e.RunCmdOnNode(yamlCmd, node); err != nil {
|
|
return err
|
|
}
|
|
if _, err := e2e.RunCmdOnNode(startCmd, node); err != nil {
|
|
return &e2e.NodeError{Node: node, Cmd: startCmd, Err: err}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func KillK3sCluster(nodes []string) error {
|
|
for _, node := range nodes {
|
|
if _, err := e2e.RunCmdOnNode("k3s-killall.sh", node); err != nil {
|
|
return err
|
|
}
|
|
if strings.Contains(node, "server") {
|
|
if _, err := e2e.RunCmdOnNode("rm -rf /var/lib/rancher/k3s/server/db", node); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
var _ = ReportAfterEach(e2e.GenReport)
|
|
|
|
var _ = BeforeSuite(func() {
|
|
var err error
|
|
if *local {
|
|
serverNodeNames, agentNodeNames, err = e2e.CreateLocalCluster(*nodeOS, 1, 1)
|
|
} else {
|
|
serverNodeNames, agentNodeNames, err = e2e.CreateCluster(*nodeOS, 1, 1)
|
|
}
|
|
Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err))
|
|
})
|
|
|
|
var _ = Describe("Various Startup Configurations", Ordered, func() {
|
|
Context("Verify CRI-Dockerd :", func() {
|
|
It("Starts K3s with no issues", func() {
|
|
dockerYAML := "docker: true"
|
|
err := StartK3sCluster(append(serverNodeNames, agentNodeNames...), dockerYAML, dockerYAML)
|
|
Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err))
|
|
|
|
fmt.Println("CLUSTER CONFIG")
|
|
fmt.Println("OS:", *nodeOS)
|
|
fmt.Println("Server Nodes:", serverNodeNames)
|
|
fmt.Println("Agent Nodes:", agentNodeNames)
|
|
kubeConfigFile, err = e2e.GenKubeConfigFile(serverNodeNames[0])
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
|
|
It("Checks node and pod status", func() {
|
|
fmt.Printf("\nFetching node status\n")
|
|
Eventually(func(g Gomega) {
|
|
nodes, err := e2e.ParseNodes(kubeConfigFile, false)
|
|
g.Expect(err).NotTo(HaveOccurred())
|
|
for _, node := range nodes {
|
|
g.Expect(node.Status).Should(Equal("Ready"))
|
|
}
|
|
}, "360s", "5s").Should(Succeed())
|
|
_, _ = e2e.ParseNodes(kubeConfigFile, true)
|
|
|
|
fmt.Printf("\nFetching pods status\n")
|
|
Eventually(func(g Gomega) {
|
|
pods, err := e2e.ParsePods(kubeConfigFile, false)
|
|
g.Expect(err).NotTo(HaveOccurred())
|
|
for _, pod := range pods {
|
|
if strings.Contains(pod.Name, "helm-install") {
|
|
g.Expect(pod.Status).Should(Equal("Completed"), pod.Name)
|
|
} else {
|
|
g.Expect(pod.Status).Should(Equal("Running"), pod.Name)
|
|
}
|
|
}
|
|
}, "360s", "5s").Should(Succeed())
|
|
_, _ = e2e.ParsePods(kubeConfigFile, true)
|
|
})
|
|
It("Kills the cluster", func() {
|
|
err := KillK3sCluster(append(serverNodeNames, agentNodeNames...))
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
})
|
|
Context("Verify prefer-bundled-bin flag", func() {
|
|
It("Starts K3s with no issues", func() {
|
|
preferBundledYAML := "prefer-bundled-bin: true"
|
|
err := StartK3sCluster(append(serverNodeNames, agentNodeNames...), preferBundledYAML, preferBundledYAML)
|
|
Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err))
|
|
|
|
fmt.Println("CLUSTER CONFIG")
|
|
fmt.Println("OS:", *nodeOS)
|
|
fmt.Println("Server Nodes:", serverNodeNames)
|
|
fmt.Println("Agent Nodes:", agentNodeNames)
|
|
kubeConfigFile, err = e2e.GenKubeConfigFile(serverNodeNames[0])
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
|
|
It("Checks node and pod status", func() {
|
|
fmt.Printf("\nFetching node status\n")
|
|
Eventually(func(g Gomega) {
|
|
nodes, err := e2e.ParseNodes(kubeConfigFile, false)
|
|
g.Expect(err).NotTo(HaveOccurred())
|
|
for _, node := range nodes {
|
|
g.Expect(node.Status).Should(Equal("Ready"))
|
|
}
|
|
}, "360s", "5s").Should(Succeed())
|
|
_, _ = e2e.ParseNodes(kubeConfigFile, true)
|
|
|
|
fmt.Printf("\nFetching pods status\n")
|
|
Eventually(func(g Gomega) {
|
|
pods, err := e2e.ParsePods(kubeConfigFile, false)
|
|
g.Expect(err).NotTo(HaveOccurred())
|
|
for _, pod := range pods {
|
|
if strings.Contains(pod.Name, "helm-install") {
|
|
g.Expect(pod.Status).Should(Equal("Completed"), pod.Name)
|
|
} else {
|
|
g.Expect(pod.Status).Should(Equal("Running"), pod.Name)
|
|
}
|
|
}
|
|
}, "360s", "5s").Should(Succeed())
|
|
_, _ = e2e.ParsePods(kubeConfigFile, true)
|
|
})
|
|
It("Kills the cluster", func() {
|
|
err := KillK3sCluster(append(serverNodeNames, agentNodeNames...))
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
})
|
|
Context("Verify disable-agent and egress-selector-mode flags", func() {
|
|
It("Starts K3s with no issues", func() {
|
|
disableAgentYAML := "disable-agent: true\negress-selector-mode: cluster"
|
|
err := StartK3sCluster(append(serverNodeNames, agentNodeNames...), disableAgentYAML, "")
|
|
Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err))
|
|
|
|
fmt.Println("CLUSTER CONFIG")
|
|
fmt.Println("OS:", *nodeOS)
|
|
fmt.Println("Server Nodes:", serverNodeNames)
|
|
fmt.Println("Agent Nodes:", agentNodeNames)
|
|
kubeConfigFile, err = e2e.GenKubeConfigFile(serverNodeNames[0])
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
|
|
It("Checks node and pod status", func() {
|
|
fmt.Printf("\nFetching node status\n")
|
|
Eventually(func(g Gomega) {
|
|
nodes, err := e2e.ParseNodes(kubeConfigFile, false)
|
|
g.Expect(err).NotTo(HaveOccurred())
|
|
for _, node := range nodes {
|
|
g.Expect(node.Status).Should(Equal("Ready"))
|
|
}
|
|
}, "360s", "5s").Should(Succeed())
|
|
_, _ = e2e.ParseNodes(kubeConfigFile, true)
|
|
|
|
fmt.Printf("\nFetching pods status\n")
|
|
Eventually(func(g Gomega) {
|
|
pods, err := e2e.ParsePods(kubeConfigFile, false)
|
|
g.Expect(err).NotTo(HaveOccurred())
|
|
for _, pod := range pods {
|
|
if strings.Contains(pod.Name, "helm-install") {
|
|
g.Expect(pod.Status).Should(Equal("Completed"), pod.Name)
|
|
} else {
|
|
g.Expect(pod.Status).Should(Equal("Running"), pod.Name)
|
|
}
|
|
}
|
|
}, "360s", "5s").Should(Succeed())
|
|
_, _ = e2e.ParsePods(kubeConfigFile, true)
|
|
})
|
|
|
|
It("Returns pod metrics", func() {
|
|
cmd := "kubectl top pod -A"
|
|
Eventually(func() error {
|
|
_, err := e2e.RunCommand(cmd)
|
|
return err
|
|
}, "600s", "5s").Should(Succeed())
|
|
})
|
|
|
|
It("Returns node metrics", func() {
|
|
cmd := "kubectl top node"
|
|
_, err := e2e.RunCommand(cmd)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
|
|
It("Runs an interactive command a pod", func() {
|
|
cmd := "kubectl run busybox --rm -it --restart=Never --image=rancher/mirrored-library-busybox:1.36.1 -- uname -a"
|
|
_, err := e2e.RunCmdOnNode(cmd, serverNodeNames[0])
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
|
|
It("Collects logs from a pod", func() {
|
|
cmd := "kubectl logs -n kube-system -l app.kubernetes.io/name=traefik -c traefik"
|
|
_, err := e2e.RunCommand(cmd)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
|
|
It("Kills the cluster", func() {
|
|
err := KillK3sCluster(append(serverNodeNames, agentNodeNames...))
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
})
|
|
Context("Verify server picks up preloaded images on start", func() {
|
|
It("Downloads and preloads images", func() {
|
|
_, err := e2e.RunCmdOnNode("docker pull ranchertest/mytestcontainer:latest", serverNodeNames[0])
|
|
Expect(err).NotTo(HaveOccurred())
|
|
_, err = e2e.RunCmdOnNode("docker save ranchertest/mytestcontainer:latest -o /tmp/mytestcontainer.tar", serverNodeNames[0])
|
|
Expect(err).NotTo(HaveOccurred())
|
|
_, err = e2e.RunCmdOnNode("mkdir -p /var/lib/rancher/k3s/agent/images/", serverNodeNames[0])
|
|
Expect(err).NotTo(HaveOccurred())
|
|
_, err = e2e.RunCmdOnNode("mv /tmp/mytestcontainer.tar /var/lib/rancher/k3s/agent/images/", serverNodeNames[0])
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
It("Starts K3s with no issues", func() {
|
|
err := StartK3sCluster(append(serverNodeNames, agentNodeNames...), "", "")
|
|
Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err))
|
|
|
|
fmt.Println("CLUSTER CONFIG")
|
|
fmt.Println("OS:", *nodeOS)
|
|
fmt.Println("Server Nodes:", serverNodeNames)
|
|
fmt.Println("Agent Nodes:", agentNodeNames)
|
|
kubeConfigFile, err = e2e.GenKubeConfigFile(serverNodeNames[0])
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
It("has loaded the test container image", func() {
|
|
Eventually(func() (string, error) {
|
|
cmd := "k3s crictl images | grep ranchertest/mytestcontainer"
|
|
return e2e.RunCmdOnNode(cmd, serverNodeNames[0])
|
|
}, "120s", "5s").Should(ContainSubstring("ranchertest/mytestcontainer"))
|
|
})
|
|
It("Kills the cluster", func() {
|
|
err := KillK3sCluster(append(serverNodeNames, agentNodeNames...))
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
})
|
|
Context("Verify server fails to start with bootstrap token", func() {
|
|
It("Fails to start with a meaningful error", func() {
|
|
tokenYAML := "token: aaaaaa.bbbbbbbbbbbbbbbb"
|
|
err := StartK3sCluster(append(serverNodeNames, agentNodeNames...), tokenYAML, tokenYAML)
|
|
Expect(err).To(HaveOccurred())
|
|
Eventually(func(g Gomega) {
|
|
logs, err := e2e.GetJournalLogs(serverNodeNames[0])
|
|
g.Expect(err).NotTo(HaveOccurred())
|
|
g.Expect(logs).To(ContainSubstring("failed to normalize server token"))
|
|
}, "120s", "5s").Should(Succeed())
|
|
|
|
})
|
|
It("Kills the cluster", func() {
|
|
err := KillK3sCluster(append(serverNodeNames, agentNodeNames...))
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
})
|
|
})
|
|
|
|
var failed bool
|
|
var _ = AfterEach(func() {
|
|
failed = failed || CurrentSpecReport().Failed()
|
|
})
|
|
|
|
var _ = AfterSuite(func() {
|
|
if !failed {
|
|
Expect(e2e.GetCoverageReport(append(serverNodeNames, agentNodeNames...))).To(Succeed())
|
|
}
|
|
if !failed || *ci {
|
|
Expect(e2e.DestroyCluster()).To(Succeed())
|
|
Expect(os.Remove(kubeConfigFile)).To(Succeed())
|
|
}
|
|
})
|