k3s/tests/e2e/token/token_test.go

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package snapshotrestore
import (
"flag"
"fmt"
"os"
"strings"
"testing"
"time"
"github.com/k3s-io/k3s/tests/e2e"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
// Valid nodeOS:
// generic/ubuntu2004, generic/centos7, generic/rocky8, opensuse/Leap-15.5.x86_64
var nodeOS = flag.String("nodeOS", "generic/ubuntu2004", "VM operating system")
var serverCount = flag.Int("serverCount", 3, "number of server nodes")
var agentCount = flag.Int("agentCount", 2, "number of agent nodes")
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=v1.27.1+k3s2 (default: latest commit from master)
func Test_E2EToken(t *testing.T) {
RegisterFailHandler(Fail)
flag.Parse()
suiteConfig, reporterConfig := GinkgoConfiguration()
RunSpecs(t, "SnapshotRestore Test Suite", suiteConfig, reporterConfig)
}
var (
kubeConfigFile string
serverNodeNames []string
agentNodeNames []string
)
var _ = ReportAfterEach(e2e.GenReport)
var _ = Describe("Use the token CLI to create and join agents", Ordered, func() {
Context("Agent joins with permanent token:", func() {
It("Starts up with no issues", func() {
var err error
if *local {
serverNodeNames, agentNodeNames, err = e2e.CreateLocalCluster(*nodeOS, *serverCount, *agentCount)
} else {
serverNodeNames, agentNodeNames, err = e2e.CreateCluster(*nodeOS, *serverCount, *agentCount)
}
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"))
}
}, "420s", "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)
}
}
}, "420s", "5s").Should(Succeed())
_, _ = e2e.ParsePods(kubeConfigFile, true)
})
var permToken string
It("Creates a permanent agent token", func() {
permToken = "perage.s0xt4u0hl5guoyi6"
_, err := e2e.RunCmdOnNode("k3s token create --ttl=0 "+permToken, serverNodeNames[0])
Expect(err).NotTo(HaveOccurred())
res, err := e2e.RunCmdOnNode("k3s token list", serverNodeNames[0])
Expect(err).NotTo(HaveOccurred())
Expect(res).To(MatchRegexp(`perage\s+<forever>\s+<never>`))
})
It("Joins an agent with the permanent token", func() {
cmd := fmt.Sprintf("echo 'token: %s' | sudo tee -a /etc/rancher/k3s/config.yaml > /dev/null", permToken)
_, err := e2e.RunCmdOnNode(cmd, agentNodeNames[0])
Expect(err).NotTo(HaveOccurred())
_, err = e2e.RunCmdOnNode("systemctl start k3s-agent", agentNodeNames[0])
Expect(err).NotTo(HaveOccurred())
Eventually(func(g Gomega) {
nodes, err := e2e.ParseNodes(kubeConfigFile, false)
g.Expect(err).NotTo(HaveOccurred())
g.Expect(len(nodes)).Should(Equal(len(serverNodeNames) + 1))
for _, node := range nodes {
g.Expect(node.Status).Should(Equal("Ready"))
}
}, "60s", "5s").Should(Succeed())
})
})
Context("Agent joins with temporary token:", func() {
It("Creates a 20s agent token", func() {
_, err := e2e.RunCmdOnNode("k3s token create --ttl=20s 20sect.jxnpve6vg8dqm895", serverNodeNames[0])
Expect(err).NotTo(HaveOccurred())
res, err := e2e.RunCmdOnNode("k3s token list", serverNodeNames[0])
Expect(err).NotTo(HaveOccurred())
Expect(res).To(MatchRegexp(`20sect\s+[0-9]{2}s`))
})
It("Cleans up 20s token automatically", func() {
Eventually(func() (string, error) {
return e2e.RunCmdOnNode("k3s token list", serverNodeNames[0])
}, "25s", "5s").ShouldNot(ContainSubstring("20sect"))
})
var tempToken string
It("Creates a 10m agent token", func() {
tempToken = "10mint.ida18trbbk43szwk"
_, err := e2e.RunCmdOnNode("k3s token create --ttl=10m "+tempToken, serverNodeNames[0])
Expect(err).NotTo(HaveOccurred())
time.Sleep(2 * time.Second)
res, err := e2e.RunCmdOnNode("k3s token list", serverNodeNames[0])
Expect(err).NotTo(HaveOccurred())
Expect(res).To(MatchRegexp(`10mint\s+[0-9]m`))
})
It("Joins an agent with the 10m token", func() {
cmd := fmt.Sprintf("echo 'token: %s' | sudo tee -a /etc/rancher/k3s/config.yaml > /dev/null", tempToken)
_, err := e2e.RunCmdOnNode(cmd, agentNodeNames[1])
Expect(err).NotTo(HaveOccurred())
_, err = e2e.RunCmdOnNode("systemctl start k3s-agent", agentNodeNames[1])
Expect(err).NotTo(HaveOccurred())
Eventually(func(g Gomega) {
nodes, err := e2e.ParseNodes(kubeConfigFile, false)
g.Expect(err).NotTo(HaveOccurred())
g.Expect(len(nodes)).Should(Equal(len(serverNodeNames) + 2))
for _, node := range nodes {
g.Expect(node.Status).Should(Equal("Ready"))
}
}, "60s", "5s").Should(Succeed())
})
})
Context("Rotate server bootstrap token", func() {
serverToken := "1234"
It("Creates a new server token", func() {
Expect(e2e.RunCmdOnNode("k3s token rotate -t vagrant --new-token="+serverToken, serverNodeNames[0])).
To(ContainSubstring("Token rotated, restart k3s with new token"))
})
It("Restarts servers with the new token", func() {
cmd := fmt.Sprintf("sed -i 's/token:.*/token: %s/' /etc/rancher/k3s/config.yaml", serverToken)
for _, node := range serverNodeNames {
_, err := e2e.RunCmdOnNode(cmd, node)
Expect(err).NotTo(HaveOccurred())
}
for _, node := range serverNodeNames {
_, err := e2e.RunCmdOnNode("systemctl restart k3s", node)
Expect(err).NotTo(HaveOccurred())
}
Eventually(func(g Gomega) {
nodes, err := e2e.ParseNodes(kubeConfigFile, false)
g.Expect(err).NotTo(HaveOccurred())
g.Expect(len(nodes)).Should(Equal(len(serverNodeNames) + 2))
for _, node := range nodes {
g.Expect(node.Status).Should(Equal("Ready"))
}
}, "60s", "5s").Should(Succeed())
})
It("Rejoins an agent with the new server token", func() {
cmd := fmt.Sprintf("sed -i 's/token:.*/token: %s/' /etc/rancher/k3s/config.yaml", serverToken)
_, err := e2e.RunCmdOnNode(cmd, agentNodeNames[0])
Expect(err).NotTo(HaveOccurred())
_, err = e2e.RunCmdOnNode("systemctl restart k3s-agent", agentNodeNames[0])
Expect(err).NotTo(HaveOccurred())
Eventually(func(g Gomega) {
nodes, err := e2e.ParseNodes(kubeConfigFile, false)
g.Expect(err).NotTo(HaveOccurred())
g.Expect(len(nodes)).Should(Equal(len(serverNodeNames) + 2))
for _, node := range nodes {
g.Expect(node.Status).Should(Equal("Ready"))
}
}, "60s", "5s").Should(Succeed())
})
})
})
var failed bool
var _ = AfterEach(func() {
failed = failed || CurrentSpecReport().Failed()
})
var _ = AfterSuite(func() {
if failed && !*ci {
fmt.Println("FAILED!")
} else {
Expect(e2e.GetCoverageReport(append(serverNodeNames, agentNodeNames...))).To(Succeed())
Expect(e2e.DestroyCluster()).To(Succeed())
Expect(os.Remove(kubeConfigFile)).To(Succeed())
}
})