2023-04-28 18:17:19 +00:00
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package longhorn
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import (
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"fmt"
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"os/exec"
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"strings"
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"testing"
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testutil "github.com/k3s-io/k3s/tests/integration"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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var server *testutil.K3sServer
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var serverArgs = []string{"--cluster-init"}
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var testLock int
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var _ = BeforeSuite(func() {
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if _, err := exec.LookPath("iscsiadm"); err != nil {
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Skip("Test needs open-iscsi to be installed")
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} else if !testutil.IsExistingServer() {
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var err error
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testLock, err = testutil.K3sTestLock()
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Expect(err).ToNot(HaveOccurred())
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server, err = testutil.K3sStartServer(serverArgs...)
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Expect(err).ToNot(HaveOccurred())
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}
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})
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var _ = Describe("longhorn", Ordered, func() {
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BeforeEach(func() {
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if testutil.IsExistingServer() && !testutil.ServerArgsPresent(serverArgs) {
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Skip("Test needs k3s server with: " + strings.Join(serverArgs, " "))
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}
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})
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When("a new cluster is created", func() {
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It("starts up with no problems", func() {
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Eventually(func() error {
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return testutil.K3sDefaultDeployments()
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}, "120s", "5s").Should(Succeed())
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})
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})
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When("longhorn is installed", func() {
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It("installs components into the longhorn-system namespace", func() {
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result, err := testutil.K3sCmd("kubectl apply -f ./testdata/longhorn.yaml")
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Expect(err).NotTo(HaveOccurred())
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Expect(result).To(ContainSubstring("namespace/longhorn-system created"))
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Expect(result).To(ContainSubstring("daemonset.apps/longhorn-manager created"))
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Expect(result).To(ContainSubstring("deployment.apps/longhorn-driver-deployer created"))
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Expect(result).To(ContainSubstring("deployment.apps/longhorn-recovery-backend created"))
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Expect(result).To(ContainSubstring("deployment.apps/longhorn-ui created"))
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Expect(result).To(ContainSubstring("deployment.apps/longhorn-conversion-webhook created"))
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Expect(result).To(ContainSubstring("deployment.apps/longhorn-admission-webhook created"))
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})
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It("starts the longhorn pods with no problems", func() {
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Eventually(func() error {
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pods, err := testutil.ParsePods("longhorn-system", metav1.ListOptions{})
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if err != nil {
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return err
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}
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for _, pod := range pods {
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if pod.Status.Phase != "Running" && pod.Status.Phase != "Succeeded" {
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return fmt.Errorf("pod %s failing", pod.Name)
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}
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}
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return nil
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}, "120s", "5s").Should(Succeed())
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})
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})
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When("persistent volume claim is created", func() {
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It("creates the pv and pvc", func() {
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result, err := testutil.K3sCmd("kubectl create -f ./testdata/pvc.yaml")
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Expect(err).NotTo(HaveOccurred())
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Expect(result).To(ContainSubstring("persistentvolumeclaim/longhorn-volv-pvc created"))
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Eventually(func() error {
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pvc, err := testutil.GetPersistentVolumeClaim("default", "longhorn-volv-pvc")
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if err != nil {
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return fmt.Errorf("failed to get pvc longhorn-volv-pvc")
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}
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if pvc.Status.Phase != "Bound" {
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return fmt.Errorf("pvc longhorn-volv-pvc not bound")
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}
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pv, err := testutil.GetPersistentVolume(pvc.Spec.VolumeName)
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if err != nil {
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return fmt.Errorf("failed to get pv %s", pvc.Spec.VolumeName)
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}
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if pv.Status.Phase != "Bound" {
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return fmt.Errorf("pv %s not bound", pv.Name)
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}
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return nil
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}, "300s", "5s").Should(Succeed())
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})
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It("creates a pod with the pvc", func() {
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result, err := testutil.K3sCmd("kubectl create -f ./testdata/pod.yaml")
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Expect(err).NotTo(HaveOccurred())
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Expect(result).To(ContainSubstring("pod/volume-test created"))
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Eventually(func() error {
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pod, err := testutil.GetPod("default", "volume-test")
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if err != nil {
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return fmt.Errorf("failed to get pod volume-test")
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}
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if pod.Status.Phase != "Running" {
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return fmt.Errorf("pod volume-test \"%s\" reason: \"%s\" message \"%s\"", pod.Status.Phase, pod.Status.Reason, pod.Status.Message)
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}
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return nil
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}, "60s", "5s").Should(Succeed())
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})
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})
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When("the pvc is deleted", func() {
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It("the pv is deleted according to the default reclaim policy", func() {
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result, err := testutil.K3sCmd("kubectl delete pod volume-test")
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Expect(err).NotTo(HaveOccurred())
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Expect(result).To(ContainSubstring("pod \"volume-test\" deleted"))
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result, err = testutil.K3sCmd("kubectl delete pvc longhorn-volv-pvc")
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Expect(err).NotTo(HaveOccurred())
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Expect(result).To(ContainSubstring("persistentvolumeclaim \"longhorn-volv-pvc\" deleted"))
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Eventually(func() error {
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result, err = testutil.K3sCmd("kubectl get pv")
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if err != nil {
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return fmt.Errorf("failed get persistent volumes")
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}
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if !strings.Contains(result, "No resources found") {
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return fmt.Errorf("persistent volumes still exist")
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}
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return nil
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}, "60s", "5s").Should(Succeed())
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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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2023-06-05 21:15:17 +00:00
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if !testutil.IsExistingServer() && server != nil {
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2023-04-28 18:17:19 +00:00
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if failed {
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testutil.K3sSaveLog(server, false)
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}
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Expect(testutil.K3sKillServer(server)).To(Succeed())
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Expect(testutil.K3sCleanup(testLock, "")).To(Succeed())
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}
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})
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func Test_IntegrationLonghorn(t *testing.T) {
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RegisterFailHandler(Fail)
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RunSpecs(t, "Longhorn Suite")
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}
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