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Merged
merged 1 commit into from
Jun 24, 2025
Merged

Add etcdmigration e2e test #12528

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112 changes: 84 additions & 28 deletions tests/e2e/startup/startup_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -63,27 +63,6 @@ func StartK3sCluster(nodes []e2e.VagrantNode, serverYAML string, agentYAML strin
return nil
}

func KillK3sCluster(nodes []e2e.VagrantNode) error {
for _, node := range nodes {
if _, err := node.RunCmdOnNode("k3s-killall.sh"); err != nil {
return err
}
if _, err := node.RunCmdOnNode("sh -c 'docker ps -qa | xargs -r docker rm -fv'"); err != nil {
return err
}
if _, err := node.RunCmdOnNode("rm -rf /etc/rancher/k3s/config.yaml.d /var/lib/kubelet/pods /var/lib/rancher/k3s/agent/etc /var/lib/rancher/k3s/agent/containerd /var/lib/rancher/k3s/server/db /var/log/pods /run/k3s /run/flannel"); err != nil {
return err
}
if _, err := node.RunCmdOnNode("systemctl restart containerd docker"); err != nil {
return err
}
if _, err := node.RunCmdOnNode("journalctl --flush --sync --rotate --vacuum-size=1"); err != nil {
return err
}
}
return nil
}

var _ = ReportAfterEach(e2e.GenReport)

var _ = BeforeSuite(func() {
Expand Down Expand Up @@ -157,10 +136,87 @@ var _ = Describe("Various Startup Configurations", Ordered, func() {
})

It("Kills the cluster", func() {
err := KillK3sCluster(tc.AllNodes())
err := e2e.KillK3sCluster(tc.AllNodes())
Expect(err).NotTo(HaveOccurred())
})
})

Context("Verify SQLite to Etcd migration", func() {
It("Starts up with SQLite and checks status", func() {
err := StartK3sCluster(tc.AllNodes(), "", "")
Expect(err).NotTo(HaveOccurred(), e2e.GetVagrantLog(err))

By("CLUSTER CONFIG")
By("OS:" + *nodeOS)
By(tc.Status())
tc.KubeconfigFile, err = e2e.GenKubeconfigFile(tc.Servers[0].String())
Expect(err).NotTo(HaveOccurred())

By("Fetching node status")
Eventually(func() error {
return tests.NodesReady(tc.KubeconfigFile, e2e.VagrantSlice(tc.AllNodes()))
}, "600s", "5s").Should(Succeed())
Eventually(func() error {
return tests.AllPodsUp(tc.KubeconfigFile)
}, "600s", "5s").Should(Succeed())
Eventually(func() error {
return tests.CheckDefaultDeployments(tc.KubeconfigFile)
}, "480s", "10s").Should(Succeed())
e2e.DumpPods(tc.KubeconfigFile)
})

It("Creates test resources before migration", func() {
createCmd := "kubectl create configmap migration-test --from-literal=test=before-migration"
_, err := tc.Servers[0].RunCmdOnNode(createCmd)
Expect(err).NotTo(HaveOccurred())

getCmd := "kubectl get configmap migration-test -o jsonpath='{.data.test}'"
result, err := tc.Servers[0].RunCmdOnNode(getCmd)
Expect(err).NotTo(HaveOccurred())
Expect(result).To(ContainSubstring("before-migration"))
})

It("Migrates from SQLite to etcd", func() {
configCmd := "echo 'cluster-init: true' >> /etc/rancher/k3s/config.yaml"
_, err := tc.Servers[0].RunCmdOnNode(configCmd)
Expect(err).NotTo(HaveOccurred())

Expect(e2e.RestartCluster(tc.Servers)).To(Succeed())
Expect(e2e.RestartCluster(tc.Agents)).To(Succeed())

Eventually(func() (string, error) {
cmd := "kubectl get nodes -l node-role.kubernetes.io/etcd=true"
return tc.Servers[0].RunCmdOnNode(cmd)
}, "120s", "5s").Should(ContainSubstring(tc.Servers[0].String()))
})

It("Checks node and pod status after migration", func() {
By("Fetching node status after migration")
Eventually(func() error {
return tests.NodesReady(tc.KubeconfigFile, e2e.VagrantSlice(tc.AllNodes()))
}, "600s", "5s").Should(Succeed())
Eventually(func() error {
return tests.AllPodsUp(tc.KubeconfigFile)
}, "600s", "5s").Should(Succeed())
Eventually(func() error {
return tests.CheckDefaultDeployments(tc.KubeconfigFile)
}, "480s", "10s").Should(Succeed())
e2e.DumpPods(tc.KubeconfigFile)
})

It("Verifies data persistence after migration", func() {
getCmd := "kubectl get configmap migration-test -o jsonpath='{.data.test}'"
result, err := tc.Servers[0].RunCmdOnNode(getCmd)
Expect(err).NotTo(HaveOccurred())
Expect(result).To(ContainSubstring("before-migration"))
})

It("Kills the cluster", func() {
err := e2e.KillK3sCluster(tc.AllNodes())
Expect(err).NotTo(HaveOccurred())
})
})

Context("Verify kubelet config file", func() {
It("Starts K3s with no issues", func() {
for _, node := range tc.AllNodes() {
Expand Down Expand Up @@ -203,7 +259,7 @@ var _ = Describe("Various Startup Configurations", Ordered, func() {
})

It("Kills the cluster", func() {
err := KillK3sCluster(tc.AllNodes())
err := e2e.KillK3sCluster(tc.AllNodes())
Expect(err).NotTo(HaveOccurred())
})
})
Expand Down Expand Up @@ -234,7 +290,7 @@ var _ = Describe("Various Startup Configurations", Ordered, func() {
e2e.DumpPods(tc.KubeconfigFile)
})
It("Kills the cluster", func() {
err := KillK3sCluster(tc.AllNodes())
err := e2e.KillK3sCluster(tc.AllNodes())
Expect(err).NotTo(HaveOccurred())
})
})
Expand Down Expand Up @@ -306,7 +362,7 @@ var _ = Describe("Various Startup Configurations", Ordered, func() {
})

It("Kills the cluster", func() {
err := KillK3sCluster(tc.AllNodes())
err := e2e.KillK3sCluster(tc.AllNodes())
Expect(err).NotTo(HaveOccurred())
})
})
Expand Down Expand Up @@ -338,7 +394,7 @@ var _ = Describe("Various Startup Configurations", Ordered, func() {
}, "120s", "5s").Should(ContainSubstring("rancher/shell"))
})
It("Kills the cluster", func() {
err := KillK3sCluster(tc.AllNodes())
err := e2e.KillK3sCluster(tc.AllNodes())
Expect(err).NotTo(HaveOccurred())
})
})
Expand All @@ -355,7 +411,7 @@ var _ = Describe("Various Startup Configurations", Ordered, func() {

})
It("Kills the cluster", func() {
err := KillK3sCluster(tc.AllNodes())
err := e2e.KillK3sCluster(tc.AllNodes())
Expect(err).NotTo(HaveOccurred())
})
})
Expand Down Expand Up @@ -386,7 +442,7 @@ var _ = Describe("Various Startup Configurations", Ordered, func() {
e2e.DumpPods(tc.KubeconfigFile)
})
It("Kills the cluster", func() {
err := KillK3sCluster(tc.AllNodes())
err := e2e.KillK3sCluster(tc.AllNodes())
Expect(err).NotTo(HaveOccurred())
})
})
Expand Down
21 changes: 21 additions & 0 deletions tests/e2e/testutils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -301,6 +301,27 @@ func (tc TestConfig) DeployWorkload(workload string) (string, error) {
return "", nil
}

func KillK3sCluster(nodes []VagrantNode) error {
for _, node := range nodes {
if _, err := node.RunCmdOnNode("k3s-killall.sh"); err != nil {
return err
}
if _, err := node.RunCmdOnNode("sh -c 'docker ps -qa | xargs -r docker rm -fv'"); err != nil {
return err
}
if _, err := node.RunCmdOnNode("rm -rf /etc/rancher/k3s/config.yaml.d /var/lib/kubelet/pods /var/lib/rancher/k3s/agent/etc /var/lib/rancher/k3s/agent/containerd /var/lib/rancher/k3s/server/db /var/log/pods /run/k3s /run/flannel"); err != nil {
return err
}
if _, err := node.RunCmdOnNode("systemctl restart containerd docker"); err != nil {
return err
}
if _, err := node.RunCmdOnNode("journalctl --flush --sync --rotate --vacuum-size=1"); err != nil {
return err
}
}
return nil
}

func DestroyCluster() error {
if _, err := RunCommand("vagrant destroy -f"); err != nil {
return err
Expand Down