mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-28 07:50:19 +00:00
6a5f1380b0
The added anti-affinity rules prevent provisioner operators from scheduling on the same nodes. The kubernetes scheduler will spread the pods across nodes to improve availability during node failures. Signed-off-by: Nico Berlee <nico.berlee@on2it.net>
501 lines
13 KiB
Go
501 lines
13 KiB
Go
package e2e
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"regexp"
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"strings"
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"time"
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v1 "k8s.io/api/core/v1"
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scv1 "k8s.io/api/storage/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/fields"
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utilyaml "k8s.io/apimachinery/pkg/util/yaml"
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"k8s.io/client-go/kubernetes"
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"k8s.io/kubernetes/test/e2e/framework"
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e2elog "k8s.io/kubernetes/test/e2e/framework/log"
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)
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/* #nosec:G101, values not credententials, just a reference to the location.*/
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const (
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defaultNs = "default"
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vaultSecretNs = "/secret/ceph-csi/"
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// rook created cephfs user
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cephfsNodePluginSecretName = "rook-csi-cephfs-node"
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cephfsProvisionerSecretName = "rook-csi-cephfs-provisioner"
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// rook created rbd user
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rbdNodePluginSecretName = "rook-csi-rbd-node"
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rbdProvisionerSecretName = "rook-csi-rbd-provisioner"
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rookTolBoxPodLabel = "app=rook-ceph-tools"
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rbdmountOptions = "mountOptions"
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)
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var (
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// cli flags
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deployTimeout int
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deployCephFS bool
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deployRBD bool
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testCephFS bool
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testRBD bool
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upgradeTesting bool
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upgradeVersion string
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cephCSINamespace string
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rookNamespace string
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radosNamespace string
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ns string
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vaultAddr string
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poll = 2 * time.Second
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)
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func initResouces() {
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ns = fmt.Sprintf("--namespace=%v", cephCSINamespace)
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vaultAddr = fmt.Sprintf("http://vault.%s.svc.cluster.local:8200", cephCSINamespace)
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}
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func getMons(ns string, c kubernetes.Interface) ([]string, error) {
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opt := metav1.ListOptions{
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LabelSelector: "app=rook-ceph-mon",
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}
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services := make([]string, 0)
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svcList, err := c.CoreV1().Services(ns).List(context.TODO(), opt)
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if err != nil {
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return services, err
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}
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for i := range svcList.Items {
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s := fmt.Sprintf("%s.%s.svc.cluster.local:%d", svcList.Items[i].Name, svcList.Items[i].Namespace, svcList.Items[i].Spec.Ports[0].Port)
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services = append(services, s)
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}
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return services, nil
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}
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func getStorageClass(path string) (scv1.StorageClass, error) {
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sc := scv1.StorageClass{}
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err := unmarshal(path, &sc)
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return sc, err
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}
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func getSecret(path string) (v1.Secret, error) {
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sc := v1.Secret{}
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err := unmarshal(path, &sc)
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// discard corruptInputError
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if err != nil {
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var b64cie base64.CorruptInputError
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if !errors.As(err, &b64cie) {
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return sc, err
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}
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}
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return sc, nil
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}
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// updateSecretForEncryption is an hack to update the secrets created by rook to
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// include the encyption key
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// TODO in cephcsi we need to create own users in ceph cluster and use it for E2E.
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func updateSecretForEncryption(c kubernetes.Interface) error {
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secrets, err := c.CoreV1().Secrets(rookNamespace).Get(context.TODO(), rbdProvisionerSecretName, metav1.GetOptions{})
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if err != nil {
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return err
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}
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secrets.Data["encryptionPassphrase"] = []byte("test_passphrase")
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_, err = c.CoreV1().Secrets(rookNamespace).Update(context.TODO(), secrets, metav1.UpdateOptions{})
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if err != nil {
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return err
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}
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secrets, err = c.CoreV1().Secrets(rookNamespace).Get(context.TODO(), rbdNodePluginSecretName, metav1.GetOptions{})
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if err != nil {
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return err
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}
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secrets.Data["encryptionPassphrase"] = []byte("test_passphrase")
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_, err = c.CoreV1().Secrets(rookNamespace).Update(context.TODO(), secrets, metav1.UpdateOptions{})
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if err != nil {
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return err
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}
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return nil
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}
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func deleteResource(scPath string) error {
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data, err := replaceNamespaceInTemplate(scPath)
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if err != nil {
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e2elog.Logf("failed to read content from %s %v", scPath, err)
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}
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_, err = framework.RunKubectlInput(cephCSINamespace, data, ns, "delete", "-f", "-")
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if err != nil {
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e2elog.Logf("failed to delete %s %v", scPath, err)
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}
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return err
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}
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func unmarshal(fileName string, obj interface{}) error {
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f, err := ioutil.ReadFile(fileName)
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if err != nil {
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return err
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}
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data, err := utilyaml.ToJSON(f)
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if err != nil {
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return err
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}
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err = json.Unmarshal(data, obj)
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return err
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}
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// createPVCAndApp creates pvc and pod
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// if name is not empty same will be set as pvc and app name.
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func createPVCAndApp(name string, f *framework.Framework, pvc *v1.PersistentVolumeClaim, app *v1.Pod, pvcTimeout int) error {
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if name != "" {
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pvc.Name = name
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app.Name = name
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app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = name
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}
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err := createPVCAndvalidatePV(f.ClientSet, pvc, pvcTimeout)
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if err != nil {
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return err
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}
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err = createApp(f.ClientSet, app, deployTimeout)
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return err
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}
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// deletePVCAndApp delete pvc and pod
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// if name is not empty same will be set as pvc and app name.
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func deletePVCAndApp(name string, f *framework.Framework, pvc *v1.PersistentVolumeClaim, app *v1.Pod) error {
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if name != "" {
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pvc.Name = name
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app.Name = name
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app.Spec.Volumes[0].PersistentVolumeClaim.ClaimName = name
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}
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err := deletePod(app.Name, app.Namespace, f.ClientSet, deployTimeout)
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if err != nil {
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return err
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}
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err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
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return err
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}
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func createPVCAndAppBinding(pvcPath, appPath string, f *framework.Framework, pvcTimeout int) (*v1.PersistentVolumeClaim, *v1.Pod, error) {
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pvc, err := loadPVC(pvcPath)
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if pvc == nil {
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return nil, nil, err
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}
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pvc.Namespace = f.UniqueName
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app, err := loadApp(appPath)
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if err != nil {
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return nil, nil, err
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}
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app.Namespace = f.UniqueName
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err = createPVCAndApp("", f, pvc, app, pvcTimeout)
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if err != nil {
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return nil, nil, err
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}
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return pvc, app, nil
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}
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func validatePVCAndAppBinding(pvcPath, appPath string, f *framework.Framework) error {
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pvc, app, err := createPVCAndAppBinding(pvcPath, appPath, f, deployTimeout)
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if err != nil {
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return err
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}
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err = deletePVCAndApp("", f, pvc, app)
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return err
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}
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func getMountType(appName, appNamespace, mountPath string, f *framework.Framework) (string, error) {
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opt := metav1.ListOptions{
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FieldSelector: fields.OneTermEqualSelector("metadata.name", appName).String(),
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}
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cmd := fmt.Sprintf("lsblk -o TYPE,MOUNTPOINT | grep '%s' | awk '{print $1}'", mountPath)
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stdOut, stdErr, err := execCommandInPod(f, cmd, appNamespace, &opt)
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if err != nil {
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return "", err
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}
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if stdErr != "" {
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return strings.TrimSpace(stdOut), fmt.Errorf(stdErr)
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}
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return strings.TrimSpace(stdOut), nil
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}
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// readVaultSecret method will execute few commands to try read the secret for
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// specified key from inside the vault container:
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// * authenticate with vault and ignore any stdout (we do not need output)
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// * issue get request for particular key
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// resulting in stdOut (first entry in tuple) - output that contains the key
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// or stdErr (second entry in tuple) - error getting the key.
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func readVaultSecret(key string, f *framework.Framework) (string, string) {
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loginCmd := fmt.Sprintf("vault login -address=%s sample_root_token_id > /dev/null", vaultAddr)
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readSecret := fmt.Sprintf("vault kv get -address=%s %s%s", vaultAddr, vaultSecretNs, key)
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cmd := fmt.Sprintf("%s && %s", loginCmd, readSecret)
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opt := metav1.ListOptions{
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LabelSelector: "app=vault",
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}
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stdOut, stdErr := execCommandInPodAndAllowFail(f, cmd, cephCSINamespace, &opt)
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return strings.TrimSpace(stdOut), strings.TrimSpace(stdErr)
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}
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func validateNormalUserPVCAccess(pvcPath string, f *framework.Framework) error {
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pvc, err := loadPVC(pvcPath)
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if err != nil {
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return err
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}
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pvc.Namespace = f.UniqueName
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pvc.Name = f.UniqueName
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err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
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if err != nil {
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return err
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}
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var user int64 = 2000
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app := &v1.Pod{
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TypeMeta: metav1.TypeMeta{
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Kind: "Pod",
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APIVersion: "v1",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: "pod-run-as-non-root",
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Namespace: f.UniqueName,
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Labels: map[string]string{
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"app": "pod-run-as-non-root",
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},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: "write-pod",
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Image: "alpine",
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Command: []string{"/bin/sleep", "999999"},
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SecurityContext: &v1.SecurityContext{
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RunAsUser: &user,
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},
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VolumeMounts: []v1.VolumeMount{
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{
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MountPath: "/target",
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Name: "target",
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},
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},
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},
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},
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Volumes: []v1.Volume{
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{
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Name: "target",
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VolumeSource: v1.VolumeSource{
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PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{
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ClaimName: pvc.Name,
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ReadOnly: false},
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},
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},
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},
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},
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}
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err = createApp(f.ClientSet, app, deployTimeout)
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if err != nil {
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return err
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}
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opt := metav1.ListOptions{
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LabelSelector: "app=pod-run-as-non-root",
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}
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_, stdErr, err := execCommandInPod(f, "echo testing > /target/testing", app.Namespace, &opt)
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if err != nil {
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return nil
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}
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if stdErr != "" {
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return fmt.Errorf("failed to touch a file as non-root user %v", stdErr)
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}
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err = deletePod(app.Name, app.Namespace, f.ClientSet, deployTimeout)
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if err != nil {
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return err
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}
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err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
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return err
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}
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// writeDataInPod fill zero content to a file in the provided POD volume.
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func writeDataInPod(app *v1.Pod, f *framework.Framework) error {
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app.Labels = map[string]string{"app": "write-data-in-pod"}
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app.Namespace = f.UniqueName
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err := createApp(f.ClientSet, app, deployTimeout)
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if err != nil {
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return err
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}
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opt := metav1.ListOptions{
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LabelSelector: "app=write-data-in-pod",
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}
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// write data to PVC. The idea here is to fill some content in the file
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// instead of filling and reverifying the md5sum/data integrity
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filePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
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// While writing more data we are encountering issues in E2E timeout, so keeping it low for now
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_, writeErr, err := execCommandInPod(f, fmt.Sprintf("dd if=/dev/zero of=%s bs=1M count=10 status=none", filePath), app.Namespace, &opt)
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if err != nil {
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return err
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}
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if writeErr != "" {
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err = fmt.Errorf("failed to write data %v", writeErr)
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}
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return err
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}
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func checkDataPersist(pvcPath, appPath string, f *framework.Framework) error {
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data := "checking data persist"
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pvc, err := loadPVC(pvcPath)
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if pvc == nil {
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return err
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}
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pvc.Namespace = f.UniqueName
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app, err := loadApp(appPath)
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if err != nil {
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return err
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}
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app.Labels = map[string]string{"app": "validate-data"}
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app.Namespace = f.UniqueName
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err = createPVCAndApp("", f, pvc, app, deployTimeout)
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if err != nil {
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return err
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}
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opt := metav1.ListOptions{
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LabelSelector: "app=validate-data",
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}
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// write data to PVC
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filePath := app.Spec.Containers[0].VolumeMounts[0].MountPath + "/test"
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_, stdErr, err := execCommandInPod(f, fmt.Sprintf("echo %s > %s", data, filePath), app.Namespace, &opt)
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if err != nil {
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return nil
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}
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if stdErr != "" {
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return fmt.Errorf("failed to write data to a file %v", stdErr)
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}
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// delete app
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err = deletePod(app.Name, app.Namespace, f.ClientSet, deployTimeout)
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if err != nil {
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return err
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}
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// recreate app and check data persist
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err = createApp(f.ClientSet, app, deployTimeout)
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if err != nil {
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return err
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}
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persistData, stdErr, err := execCommandInPod(f, fmt.Sprintf("cat %s", filePath), app.Namespace, &opt)
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if err != nil {
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return err
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}
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if stdErr != "" {
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return fmt.Errorf("failed to get file content %v", stdErr)
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}
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if !strings.Contains(persistData, data) {
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return fmt.Errorf("data not persistent expected data %s received data %s ", data, persistData)
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}
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err = deletePVCAndApp("", f, pvc, app)
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return err
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}
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func pvcDeleteWhenPoolNotFound(pvcPath string, cephfs bool, f *framework.Framework) error {
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pvc, err := loadPVC(pvcPath)
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if err != nil {
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return err
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}
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pvc.Namespace = f.UniqueName
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err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
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if err != nil {
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return err
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}
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if cephfs {
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err = deleteBackingCephFSVolume(f, pvc)
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if err != nil {
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return err
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}
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// delete cephfs filesystem
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err = deletePool("myfs", cephfs, f)
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if err != nil {
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return err
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}
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} else {
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err = deleteBackingRBDImage(f, pvc)
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if err != nil {
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return err
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}
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// delete rbd pool
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err = deletePool(defaultRBDPool, cephfs, f)
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if err != nil {
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return err
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}
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}
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err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
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return err
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}
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func checkMountOptions(pvcPath, appPath string, f *framework.Framework, mountFlags []string) error {
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pvc, err := loadPVC(pvcPath)
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if pvc == nil {
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return err
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}
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pvc.Namespace = f.UniqueName
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app, err := loadApp(appPath)
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if err != nil {
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return err
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}
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app.Labels = map[string]string{"app": "validate-mount-opt"}
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app.Namespace = f.UniqueName
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err = createPVCAndApp("", f, pvc, app, deployTimeout)
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if err != nil {
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return err
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}
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opt := metav1.ListOptions{
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LabelSelector: "app=validate-mount-opt",
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}
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cmd := fmt.Sprintf("mount |grep %s", app.Spec.Containers[0].VolumeMounts[0].MountPath)
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data, stdErr, err := execCommandInPod(f, cmd, app.Namespace, &opt)
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if err != nil {
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return err
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}
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if stdErr != "" {
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return fmt.Errorf("failed to get mount point %v", stdErr)
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}
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for _, f := range mountFlags {
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if !strings.Contains(data, f) {
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return fmt.Errorf("mount option %s not found in %s", f, data)
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}
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}
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err = deletePVCAndApp("", f, pvc, app)
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return err
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}
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func addTopologyDomainsToDSYaml(template, labels string) string {
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return strings.ReplaceAll(template, "# - \"--domainlabels=failure-domain/region,failure-domain/zone\"",
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"- \"--domainlabels="+labels+"\"")
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}
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func oneReplicaDeployYaml(template string) string {
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var re = regexp.MustCompile(`(\s+replicas:) \d+`)
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return re.ReplaceAllString(template, `$1 1`)
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}
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