k3s/tests/e2e/secretsencryption/secretsencryption_test.go

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package secretsencryption
import (
"flag"
"fmt"
"strings"
"testing"
"github.com/k3s-io/k3s/tests/e2e"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
// This test is desigened for the new secrets-encrypt rotate-keys command,
// Added in v1.28.0+k3s1
// Valid nodeOS: generic/ubuntu2004, opensuse/Leap-15.3.x86_64
var nodeOS = flag.String("nodeOS", "generic/ubuntu2004", "VM operating system")
var serverCount = flag.Int("serverCount", 3, "number of server nodes")
var hardened = flag.Bool("hardened", false, "true or false")
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=v1.28.0+k3s1 or nil for latest commit from master
func Test_E2ESecretsEncryption(t *testing.T) {
RegisterFailHandler(Fail)
flag.Parse()
suiteConfig, reporterConfig := GinkgoConfiguration()
RunSpecs(t, "Secrets Encryption Test Suite", suiteConfig, reporterConfig)
}
var (
kubeConfigFile string
serverNodeNames []string
)
var _ = ReportAfterEach(e2e.GenReport)
var _ = Describe("Verify Secrets Encryption Rotation", Ordered, func() {
Context("Secrets Keys are rotated:", func() {
FIt("Starts up with no issues", func() {
var err error
if *local {
serverNodeNames, _, err = e2e.CreateLocalCluster(*nodeOS, *serverCount, 0)
} else {
serverNodeNames, _, err = e2e.CreateCluster(*nodeOS, *serverCount, 0)
}
Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err))
fmt.Println("CLUSTER CONFIG")
fmt.Println("OS:", *nodeOS)
fmt.Println("Server Nodes:", serverNodeNames)
kubeConfigFile, err = e2e.GenKubeConfigFile(serverNodeNames[0])
Expect(err).NotTo(HaveOccurred())
})
FIt("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"))
}
}, "620s", "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)
}
}
}, "620s", "5s").Should(Succeed())
_, _ = e2e.ParsePods(kubeConfigFile, true)
})
FIt("Deploys several secrets", func() {
_, err := e2e.DeployWorkload("secrets.yaml", kubeConfigFile, *hardened)
Expect(err).NotTo(HaveOccurred(), "Secrets not deployed")
})
It("Verifies encryption start stage", func() {
cmd := "k3s secrets-encrypt status"
for _, nodeName := range serverNodeNames {
res, err := e2e.RunCmdOnNode(cmd, nodeName)
Expect(err).NotTo(HaveOccurred())
Expect(res).Should(ContainSubstring("Encryption Status: Enabled"))
Expect(res).Should(ContainSubstring("Current Rotation Stage: start"))
Expect(res).Should(ContainSubstring("Server Encryption Hashes: All hashes match"))
}
})
It("Rotates the Secrets-Encryption Keys", func() {
cmd := "k3s secrets-encrypt rotate-keys"
res, err := e2e.RunCmdOnNode(cmd, serverNodeNames[0])
Expect(err).NotTo(HaveOccurred(), res)
for i, nodeName := range serverNodeNames {
Eventually(func(g Gomega) {
cmd := "k3s secrets-encrypt status"
res, err := e2e.RunCmdOnNode(cmd, nodeName)
g.Expect(err).NotTo(HaveOccurred(), res)
g.Expect(res).Should(ContainSubstring("Server Encryption Hashes: hash does not match"))
if i == 0 {
g.Expect(res).Should(ContainSubstring("Current Rotation Stage: reencrypt_finished"))
} else {
g.Expect(res).Should(ContainSubstring("Current Rotation Stage: start"))
}
}, "420s", "2s").Should(Succeed())
}
})
It("Restarts K3s servers", func() {
Expect(e2e.RestartCluster(serverNodeNames)).To(Succeed(), e2e.GetVagrantLog(nil))
})
It("Verifies reencryption_finished stage", func() {
cmd := "k3s secrets-encrypt status"
for _, nodeName := range serverNodeNames {
Eventually(func(g Gomega) {
res, err := e2e.RunCmdOnNode(cmd, nodeName)
g.Expect(err).NotTo(HaveOccurred())
g.Expect(res).Should(ContainSubstring("Encryption Status: Enabled"))
g.Expect(res).Should(ContainSubstring("Current Rotation Stage: reencrypt_finished"))
g.Expect(res).Should(ContainSubstring("Server Encryption Hashes: All hashes match"))
}, "420s", "2s").Should(Succeed())
}
})
})
Context("Disabling Secrets-Encryption", func() {
It("Disables encryption", func() {
cmd := "k3s secrets-encrypt disable"
res, err := e2e.RunCmdOnNode(cmd, serverNodeNames[0])
Expect(err).NotTo(HaveOccurred(), res)
cmd = "k3s secrets-encrypt status"
Eventually(func() (string, error) {
return e2e.RunCmdOnNode(cmd, serverNodeNames[0])
}, "240s", "10s").Should(ContainSubstring("Current Rotation Stage: reencrypt_finished"))
for i, nodeName := range serverNodeNames {
Eventually(func(g Gomega) {
res, err := e2e.RunCmdOnNode(cmd, nodeName)
g.Expect(err).NotTo(HaveOccurred(), res)
if i == 0 {
g.Expect(res).Should(ContainSubstring("Encryption Status: Disabled"))
} else {
g.Expect(res).Should(ContainSubstring("Encryption Status: Enabled"))
}
}, "420s", "2s").Should(Succeed())
}
})
It("Restarts K3s servers", func() {
Expect(e2e.RestartCluster(serverNodeNames)).To(Succeed())
})
It("Verifies encryption disabled on all nodes", func() {
cmd := "k3s secrets-encrypt status"
for _, nodeName := range serverNodeNames {
Eventually(func(g Gomega) {
g.Expect(e2e.RunCmdOnNode(cmd, nodeName)).Should(ContainSubstring("Encryption Status: Disabled"))
}, "420s", "2s").Should(Succeed())
}
})
})
Context("Enabling Secrets-Encryption", func() {
It("Enables encryption", func() {
cmd := "k3s secrets-encrypt enable"
res, err := e2e.RunCmdOnNode(cmd, serverNodeNames[0])
Expect(err).NotTo(HaveOccurred(), res)
cmd = "k3s secrets-encrypt status"
Eventually(func() (string, error) {
return e2e.RunCmdOnNode(cmd, serverNodeNames[0])
}, "180s", "5s").Should(ContainSubstring("Current Rotation Stage: reencrypt_finished"))
})
It("Restarts K3s servers", func() {
Expect(e2e.RestartCluster(serverNodeNames)).To(Succeed())
})
It("Verifies encryption enabled on all nodes", func() {
cmd := "k3s secrets-encrypt status"
for _, nodeName := range serverNodeNames {
Eventually(func(g Gomega) {
g.Expect(e2e.RunCmdOnNode(cmd, nodeName)).Should(ContainSubstring("Encryption Status: Enabled"))
}, "420s", "2s").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(serverNodeNames)).To(Succeed())
// Expect(e2e.DestroyCluster()).To(Succeed())
// Expect(os.Remove(kubeConfigFile)).To(Succeed())
}
})