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backup_test.go
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backup_test.go
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package e2e
import (
"context"
"fmt"
"regexp"
"strings"
"sync"
"testing"
"time"
configv1alpha1 "github.com/openshift/api/config/v1alpha1"
operatorv1alpha1 "github.com/openshift/api/operator/v1alpha1"
"github.com/openshift/cluster-etcd-operator/test/e2e/framework"
"github.com/stretchr/testify/require"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/rand"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apiserver/pkg/storage/names"
corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/klog/v2"
"k8s.io/utils/pointer"
)
const (
CronJobKindName = "CronJob"
OpenShiftEtcdNamespace = "openshift-etcd"
HostPathBasePath = "/etc/kubernetes/cluster-backup/"
// ShellImage allows us to have basic shell tooling, taken from origin:
// https://github.com/openshift/origin/blob/6ee9dc56a612a4c886d094571832ed47efa2e831/test/extended/util/image/image.go#L129-L141C2
ShellImage = "image-registry.openshift-image-registry.svc:5000/openshift/tools:latest"
)
func TestBackupHappyPath(t *testing.T) {
pvcName := "backup-happy-path-pvc"
ensureHostPathPVC(t, pvcName)
c := framework.NewOperatorClient(t)
backupCrd := operatorv1alpha1.EtcdBackup{
ObjectMeta: metav1.ObjectMeta{
Name: "backup-happy-path",
Namespace: OpenShiftEtcdNamespace,
},
Spec: operatorv1alpha1.EtcdBackupSpec{
PVCName: pvcName,
},
}
_, err := c.OperatorV1alpha1().EtcdBackups().Create(context.Background(), &backupCrd, metav1.CreateOptions{})
require.NoError(t, err)
t.Cleanup(func() {
err := c.OperatorV1alpha1().EtcdBackups().Delete(context.Background(), backupCrd.Name, metav1.DeleteOptions{})
require.NoError(t, err)
ensureEtcdBackupsRemoved(t, backupCrd.Name)
ensureAllBackupPodsAreRemoved(t)
})
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
defer cancel()
err = wait.PollUntilContextCancel(ctx, 30*time.Second, false,
func(ctx context.Context) (done bool, err error) {
b, err := c.OperatorV1alpha1().EtcdBackups().Get(ctx, backupCrd.Name, metav1.GetOptions{})
if err != nil {
klog.Infof("error while getting backup: %v", err)
return false, nil
}
klog.Infof("current backup job: %v", b.Status.BackupJob)
klog.Infof("current backup conditions: %v", b.Status.Conditions)
backupSuccess := backupHasCondition(b, operatorv1alpha1.BackupCompleted, metav1.ConditionTrue)
if !backupSuccess {
if backupHasCondition(b, operatorv1alpha1.BackupFailed, metav1.ConditionTrue) {
return true, fmt.Errorf("unexpected backup failure found in backup conditions: %v", b.Status.Conditions)
}
}
return backupSuccess, nil
})
require.NoError(t, err)
foundFiles := collectFilesInPVCAcrossAllNodes(t, pvcName)
requireBackupFilesFound(t, backupCrd.Name, foundFiles)
}
func TestPeriodicBackupHappyPath(t *testing.T) {
pvcName := "periodic-backup-happy-path-pvc"
ensureHostPathPVC(t, pvcName)
configClient := framework.NewConfigClient(t)
backupCrd := configv1alpha1.Backup{
ObjectMeta: metav1.ObjectMeta{
Name: "periodic-backup-happy-path",
Namespace: OpenShiftEtcdNamespace,
},
Spec: configv1alpha1.BackupSpec{
EtcdBackupSpec: configv1alpha1.EtcdBackupSpec{
Schedule: "* * * * *",
TimeZone: "UTC",
RetentionPolicy: configv1alpha1.RetentionPolicy{
RetentionType: configv1alpha1.RetentionTypeNumber,
RetentionNumber: &configv1alpha1.RetentionNumberConfig{MaxNumberOfBackups: 5},
},
PVCName: pvcName,
},
},
}
_, err := configClient.Backups().Create(context.Background(), &backupCrd, metav1.CreateOptions{})
require.NoError(t, err)
t.Cleanup(func() {
err := configClient.Backups().Delete(context.Background(), backupCrd.Name, metav1.DeleteOptions{})
require.NoError(t, err)
// deleting the CRD should delete all its cronjobs/jobs, etcdbackups and their pods as well
ensureCronJobRemoved(t, backupCrd.Name)
ensureEtcdBackupsRemoved(t, backupCrd.Name)
ensureAllBackupPodsAreRemoved(t)
})
awaitBackupInvocations(t, backupCrd)
foundFiles := collectFilesInPVCAcrossAllNodes(t, pvcName)
grouped := groupBackupFilesByRunPrefix(t, foundFiles)
// we expect either 5 or 6 backups, depending on whether there's currently an invocation ongoing
require.Truef(t, len(grouped) == 5 || len(grouped) == 6,
"expected 5 or 6 backup groups, but found %d. Groups: %v", len(grouped), grouped)
// each group individually must be a valid backup
// TODO(thomas): this might flake when an ongoing backup is not entirely done yet?
for k, v := range grouped {
t.Logf("testing backup group %s = %v", k, v)
requireBackupFilesFound(t, backupCrd.Name, v)
}
}
func TestRetentionBySize(t *testing.T) {
pvcName := "retention-by-size"
ensureHostPathPVC(t, pvcName)
configClient := framework.NewConfigClient(t)
pushRandomConfigMaps(t)
backupCrd := configv1alpha1.Backup{
ObjectMeta: metav1.ObjectMeta{
Name: "retention-by-size",
Namespace: OpenShiftEtcdNamespace,
},
Spec: configv1alpha1.BackupSpec{
EtcdBackupSpec: configv1alpha1.EtcdBackupSpec{
Schedule: "* * * * *",
TimeZone: "UTC",
RetentionPolicy: configv1alpha1.RetentionPolicy{
RetentionType: configv1alpha1.RetentionTypeSize,
RetentionSize: &configv1alpha1.RetentionSizeConfig{MaxSizeOfBackupsGb: 1},
},
PVCName: pvcName,
},
},
}
_, err := configClient.Backups().Create(context.Background(), &backupCrd, metav1.CreateOptions{})
require.NoError(t, err)
t.Cleanup(func() {
err := configClient.Backups().Delete(context.Background(), backupCrd.Name, metav1.DeleteOptions{})
require.NoError(t, err)
})
awaitBackupInvocations(t, backupCrd)
// this is the state after five job invocations
foundFiles := collectFilesInPVCAcrossAllNodes(t, pvcName)
grouped := groupBackupFilesByRunPrefix(t, foundFiles)
// we expect either 4 or 5 backups, depending on whether there's currently an invocation ongoing
require.Truef(t, len(grouped) == 4 || len(grouped) == 5,
"expected 4 or 5 backup groups, but found %d. Groups: %v", len(grouped), grouped)
// each group individually must be a valid backup
// TODO(thomas): this might flake when an ongoing backup is not entirely done yet?
for k, v := range grouped {
t.Logf("testing backup group %s = %v", k, v)
requireBackupFilesFound(t, backupCrd.Name, v)
}
}
func TestMultipleBackupsAreSkipped(t *testing.T) {
pvcName := "multi-backups"
ensureHostPathPVC(t, pvcName)
c := framework.NewOperatorClient(t)
backupCrd := operatorv1alpha1.EtcdBackup{
ObjectMeta: metav1.ObjectMeta{
Namespace: OpenShiftEtcdNamespace,
},
Spec: operatorv1alpha1.EtcdBackupSpec{
PVCName: pvcName,
},
}
for i := 0; i < 5; i++ {
backupCrd.Name = fmt.Sprintf("multi-backup-%d", i)
_, err := c.OperatorV1alpha1().EtcdBackups().Create(context.Background(), &backupCrd, metav1.CreateOptions{})
require.NoError(t, err)
}
// this is highly reliant on the sync interval of the backup controller, we expect at least one of the five to have condition "skipped"
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
defer cancel()
err := wait.PollUntilContextCancel(ctx, 5*time.Second, true,
func(ctx context.Context) (done bool, err error) {
list, err := c.OperatorV1alpha1().EtcdBackups().List(context.Background(), metav1.ListOptions{})
if err != nil {
klog.Infof("error while listing backup: %v", err)
return false, nil
}
for _, b := range list.Items {
if backupHasCondition(&b, operatorv1alpha1.BackupSkipped, metav1.ConditionTrue) {
return true, nil
}
}
return false, nil
})
require.NoError(t, err)
}
func TestBackupFailureOnMissingPVC(t *testing.T) {
backupCrd := operatorv1alpha1.EtcdBackup{
ObjectMeta: metav1.ObjectMeta{
Name: "failing-backup-missing-pvc",
Namespace: OpenShiftEtcdNamespace,
},
Spec: operatorv1alpha1.EtcdBackupSpec{
PVCName: "something that does not exist",
},
}
c := framework.NewOperatorClient(t)
_, err := c.OperatorV1alpha1().EtcdBackups().Create(context.Background(), &backupCrd, metav1.CreateOptions{})
require.NoError(t, err)
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
defer cancel()
err = wait.PollUntilContextCancel(ctx, 5*time.Second, true,
func(ctx context.Context) (done bool, err error) {
b, err := c.OperatorV1alpha1().EtcdBackups().Get(ctx, backupCrd.Name, metav1.GetOptions{})
if err != nil {
klog.Infof("error while getting backup: %v", err)
return false, nil
}
klog.Infof("current backup job: %v", b.Status.BackupJob)
klog.Infof("current backup conditions: %v", b.Status.Conditions)
return backupHasCondition(b, operatorv1alpha1.BackupFailed, metav1.ConditionTrue), nil
})
require.NoError(t, err)
}
// pushRandomConfigMaps pushes about 125mb of random configmaps into the etcd cluster
func pushRandomConfigMaps(t *testing.T) {
coreClient := framework.NewCoreClient(t)
// we only allow retention on the order of gigabytes, so we have to fill up etcd for a while to get sizable snapshots
// the maximum we can push without errors is: Too long: must have at most 1048576 bytes
megString := rand.String(1024 * 1024 * 1)
// pushing one hundred megabytes of CM takes about 2m with one thread, doing it 5x in parallel (kn)
kn := 5
n := 25
wg := sync.WaitGroup{}
wg.Add(kn)
for k := 0; k < kn; k++ {
go func(k int) {
defer wg.Done()
for i := 0; i < n; i++ {
cm := corev1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: names.SimpleNameGenerator.GenerateName("retention-by-size"),
Namespace: OpenShiftEtcdNamespace,
},
Data: map[string]string{
"blob": megString,
},
}
_, err := coreClient.ConfigMaps(OpenShiftEtcdNamespace).Create(context.Background(), &cm, metav1.CreateOptions{})
if err != nil {
klog.Errorf("[%d] got an error while creating filler configmap no. %d/%d: %v", k, i, n, err)
}
if i%5 == 0 {
klog.Infof("[%d] writing CM %d/%d", k, i, n)
}
}
}(k)
}
wg.Wait()
t.Logf("done pushng %d configmaps at 1mb!", kn*n)
}
func TestWrongScheduleDegradesOperator(t *testing.T) {
operatorClient := framework.NewOperatorClient(t)
configClient := framework.NewConfigClient(t)
backupCrd := configv1alpha1.Backup{
ObjectMeta: metav1.ObjectMeta{
Name: "periodic-backup-wrong-schedule",
Namespace: OpenShiftEtcdNamespace,
},
Spec: configv1alpha1.BackupSpec{
EtcdBackupSpec: configv1alpha1.EtcdBackupSpec{
Schedule: "*/5 */0 * * *",
TimeZone: "UTC",
RetentionPolicy: configv1alpha1.RetentionPolicy{
RetentionType: configv1alpha1.RetentionTypeNumber,
RetentionNumber: &configv1alpha1.RetentionNumberConfig{MaxNumberOfBackups: 5},
},
PVCName: "not-existing-pvc",
},
},
}
_, err := configClient.Backups().Create(context.Background(), &backupCrd, metav1.CreateOptions{})
require.NoError(t, err)
t.Cleanup(func() {
_ = configClient.Backups().Delete(context.Background(), backupCrd.Name, metav1.DeleteOptions{})
})
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
defer cancel()
err = wait.PollUntilContextCancel(ctx, 10*time.Second, false,
func(ctx context.Context) (done bool, err error) {
operatorStatus, err := operatorClient.OperatorV1().Etcds().Get(ctx, "cluster", metav1.GetOptions{})
if err != nil {
klog.Infof("error while getting operator status: %v", err)
return false, nil
}
klog.Infof("current conditions: %v", operatorStatus.Status.Conditions)
for _, condition := range operatorStatus.Status.Conditions {
if condition.Type == "PeriodicBackupControllerDegraded" &&
condition.Reason == "Error" &&
string(condition.Status) == string(metav1.ConditionTrue) &&
strings.Contains(condition.Message,
"CronJob.batch \"periodic-backup-wrong-schedule\" is invalid: spec.schedule:") {
return true, nil
}
}
return false, nil
})
require.NoError(t, err, "expected operator to degrade")
// deleting the offending backup should recover the operator condition again
err = configClient.Backups().Delete(context.Background(), backupCrd.Name, metav1.DeleteOptions{})
require.NoError(t, err)
ctx, cancel = context.WithTimeout(context.Background(), 5*time.Minute)
defer cancel()
err = wait.PollUntilContextCancel(ctx, 10*time.Second, false,
func(ctx context.Context) (done bool, err error) {
operatorStatus, err := operatorClient.OperatorV1().Etcds().Get(ctx, "cluster", metav1.GetOptions{})
if err != nil {
klog.Infof("error while getting operator status: %v", err)
return false, nil
}
klog.Infof("current conditions: %v", operatorStatus.Status.Conditions)
for _, condition := range operatorStatus.Status.Conditions {
if condition.Type == "PeriodicBackupControllerDegraded" &&
condition.Reason == "AsExpected" &&
string(condition.Status) == string(metav1.ConditionFalse) {
return true, nil
}
}
return false, nil
})
require.NoError(t, err, "expected operator to recover after degrade")
}
func awaitBackupInvocations(t *testing.T, backupCrd configv1alpha1.Backup) {
batchClient := framework.NewBatchClient(t)
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Minute)
defer cancel()
err := wait.PollUntilContextCancel(ctx, 30*time.Second, false,
func(ctx context.Context) (done bool, err error) {
jobList, err := batchClient.Jobs(backupCrd.Namespace).List(context.Background(), metav1.ListOptions{})
if err != nil {
klog.Infof("error while getting job list: %v", err)
return false, nil
}
// the cronjob will keep at most 5 successful runs, we're waiting until the list has that many jobs completed
const required = 5
succeededJobs := 0
for _, j := range jobList.Items {
ownedByOurCron := false
for _, reference := range j.OwnerReferences {
if reference.Kind == CronJobKindName && reference.Name == backupCrd.Name {
ownedByOurCron = true
break
}
}
if ownedByOurCron {
klog.Infof("Found job invocation: %s with status %s", j.Name, j.Status.String())
if j.Status.Succeeded > 0 {
succeededJobs++
}
}
}
if succeededJobs >= required {
klog.Infof("found enough succeeded jobs")
return true, nil
}
klog.Infof("found %d/%d succeeded jobs, retrying...", succeededJobs, required)
return false, nil
})
require.NoError(t, err)
}
func ensureHostPathPVC(t *testing.T, pvcName string) {
kubeConfig, err := framework.NewClientConfigForTest("")
require.NoError(t, err)
c, err := corev1client.NewForConfig(kubeConfig)
require.NoError(t, err)
pv := corev1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: pvcName + "-pv",
},
Spec: corev1.PersistentVolumeSpec{
StorageClassName: "manual",
Capacity: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceStorage: *resource.NewQuantity(10, "Gi"),
},
AccessModes: []corev1.PersistentVolumeAccessMode{corev1.ReadWriteOnce},
PersistentVolumeSource: corev1.PersistentVolumeSource{
HostPath: &corev1.HostPathVolumeSource{
Path: HostPathBasePath + pvcName,
},
},
},
}
_, err = c.PersistentVolumes().Get(context.Background(), pv.Name, metav1.GetOptions{})
if err != nil {
if errors.IsNotFound(err) {
_, err = c.PersistentVolumes().Create(context.Background(), &pv, metav1.CreateOptions{})
require.NoErrorf(t, err, "could not create PV")
} else {
require.NoErrorf(t, err, "could not retrieve PV")
}
}
pvc := corev1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: pvcName,
Namespace: OpenShiftEtcdNamespace,
},
Spec: corev1.PersistentVolumeClaimSpec{
AccessModes: []corev1.PersistentVolumeAccessMode{corev1.ReadWriteOnce},
VolumeName: pv.Name,
StorageClassName: pointer.String("manual"),
Resources: corev1.VolumeResourceRequirements{
Requests: map[corev1.ResourceName]resource.Quantity{
corev1.ResourceStorage: *resource.NewQuantity(10, "Gi"),
},
},
},
}
_, err = c.PersistentVolumeClaims(pvc.Namespace).Get(context.Background(), pvc.Name, metav1.GetOptions{})
if err != nil {
if errors.IsNotFound(err) {
_, err = c.PersistentVolumeClaims(pvc.Namespace).Create(context.Background(), &pvc, metav1.CreateOptions{})
require.NoErrorf(t, err, "could not create PVC")
} else {
require.NoErrorf(t, err, "could not retrieve PVC")
}
}
}
func ensureCronJobRemoved(t *testing.T, name string) {
c := framework.NewBatchClient(t)
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
defer cancel()
err := wait.PollUntilContextCancel(ctx, 10*time.Second, false, func(ctx context.Context) (bool, error) {
_, err := c.CronJobs(OpenShiftEtcdNamespace).Get(context.Background(), name, metav1.GetOptions{})
if err != nil {
if errors.IsNotFound(err) {
return true, nil
}
klog.Infof("error while getting cronjob, waiting for its deletion: %v", err)
}
return false, nil
})
require.NoErrorf(t, err, "waiting for cronjob deletion error")
}
func ensureEtcdBackupsRemoved(t *testing.T, name string) {
c := framework.NewOperatorClient(t)
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
defer cancel()
err := wait.PollUntilContextCancel(ctx, 10*time.Second, false, func(ctx context.Context) (bool, error) {
backupsList, err := c.OperatorV1alpha1().EtcdBackups().List(ctx, metav1.ListOptions{})
if err != nil {
klog.Infof("error while getting cronjob, waiting for its deletion: %v", err)
return false, nil
}
for _, b := range backupsList.Items {
klog.Infof("EnsureBackupRemoval found backup with name: %s", b.Name)
if strings.Contains(b.Name, name) {
return false, nil
}
}
return true, nil
})
require.NoErrorf(t, err, "waiting for etcdbackups deletion error")
}
func ensureAllBackupPodsAreRemoved(t *testing.T) {
c := framework.NewCoreClient(t)
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
defer cancel()
err := wait.PollUntilContextCancel(ctx, 10*time.Second, false, func(ctx context.Context) (bool, error) {
podList, err := c.Pods(OpenShiftEtcdNamespace).List(ctx, metav1.ListOptions{})
if err != nil {
klog.Infof("error while getting pods, waiting for its deletion: %v", err)
return false, nil
}
for _, p := range podList.Items {
if strings.Contains(p.Name, "cluster-backup-job") {
klog.Infof("EnsureBackupPodRemoval found pod with name: %s", p.Name)
return false, nil
}
}
return true, nil
})
require.NoErrorf(t, err, "waiting for backup pods deletion error")
}
func backupHasCondition(backup *operatorv1alpha1.EtcdBackup,
conditionType operatorv1alpha1.BackupConditionReason,
status metav1.ConditionStatus) bool {
for _, condition := range backup.Status.Conditions {
if string(conditionType) != condition.Type {
continue
}
return condition.Status == status
}
return false
}
func collectFilesInPVCAcrossAllNodes(t *testing.T, pvcName string) []string {
client := framework.NewCoreClient(t)
list, err := client.Nodes().List(context.Background(), metav1.ListOptions{LabelSelector: "node-role.kubernetes.io/master"})
require.NoErrorf(t, err, "error while listing nodes")
// we will get empty strings and "." returned from find that we want to deduplicate here
var lines []string
linesSet := make(map[string]bool)
for _, node := range list.Items {
pvcLines := listFilesInPVC(t, pvcName, node)
for _, l := range pvcLines {
if _, ok := linesSet[l]; !ok {
linesSet[l] = true
lines = append(lines, l)
}
}
}
return lines
}
func listFilesInPVC(t *testing.T, pvcName string, node corev1.Node) []string {
client := framework.NewCoreClient(t)
pod := corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: names.SimpleNameGenerator.GenerateName("backup-finder-pod" + "-"),
Namespace: OpenShiftEtcdNamespace,
},
Spec: corev1.PodSpec{
Volumes: []corev1.Volume{
{
Name: "backup-dir",
VolumeSource: corev1.VolumeSource{
PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{
ClaimName: pvcName,
},
},
},
},
Containers: []corev1.Container{
{
Name: "finder",
Image: ShellImage,
Command: []string{"find", "."},
WorkingDir: HostPathBasePath,
Resources: corev1.ResourceRequirements{},
VolumeMounts: []corev1.VolumeMount{
{
Name: "backup-dir",
ReadOnly: false,
MountPath: HostPathBasePath,
},
},
SecurityContext: &corev1.SecurityContext{Privileged: pointer.Bool(true)},
},
},
RestartPolicy: corev1.RestartPolicyNever,
NodeSelector: map[string]string{
"kubernetes.io/hostname": node.Name,
},
Tolerations: []corev1.Toleration{{Operator: "Exists"}},
},
}
_, err := client.Pods(OpenShiftEtcdNamespace).Create(context.Background(), &pod, metav1.CreateOptions{})
require.NoError(t, err)
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
defer cancel()
err = wait.PollUntilContextCancel(ctx, 10*time.Second, false, func(ctx context.Context) (done bool, err error) {
p, err := client.Pods(OpenShiftEtcdNamespace).Get(context.Background(), pod.Name, metav1.GetOptions{})
if err != nil {
klog.Infof("error while getting finder pod: %v", err)
return false, nil
}
if p.Status.Phase == corev1.PodFailed {
return true, fmt.Errorf("finder pod failed with status: %s", p.Status.String())
}
return p.Status.Phase == corev1.PodSucceeded, nil
})
require.NoErrorf(t, err, "waiting for finder pod error")
logBytes, err := client.Pods(OpenShiftEtcdNamespace).GetLogs(pod.Name, &corev1.PodLogOptions{}).Do(ctx).Raw()
files := strings.Split(string(logBytes), "\n")
klog.Infof("found files on node [%s]: %v", node.Name, files)
return files
}
func requireBackupFilesFound(t *testing.T, name string, files []string) {
// a successful backup will look like this:
// ./backup-backup-happy-path-2023-08-03_152313
// ./backup-backup-happy-path-2023-08-03_152313/static_kuberesources_2023-08-03_152316__POSSIBLY_DIRTY__.tar.gz
// ./backup-backup-happy-path-2023-08-03_152313/snapshot_2023-08-03_152316__POSSIBLY_DIRTY__.db ]
// we assert that there are always at least two files:
tarMatchFound := false
snapMatchFound := false
for _, file := range files {
matchesTar, err := regexp.MatchString(`\./backup-`+name+`-.*.tar.gz`, file)
require.NoError(t, err)
if matchesTar {
klog.Infof("Found matching kube resources: %s", file)
tarMatchFound = true
}
matchesSnap, err := regexp.MatchString(`\./backup-`+name+`-.*/snapshot_.*.db`, file)
require.NoError(t, err)
if matchesSnap {
klog.Infof("Found matching snapshot: %s", file)
snapMatchFound = true
}
}
require.Truef(t, tarMatchFound, "expected tarfile for backup: %s, found files: %v ", name, files)
require.Truef(t, snapMatchFound, "expected snapshot for backup: %s, found files: %v ", name, files)
}
func groupBackupFilesByRunPrefix(t *testing.T, files []string) map[string][]string {
// find will return a dir prefix always before any files like this:
// ./backup-backup-happy-path-2023-08-03_152313
// which is what we're going to use to group on
groupingPrefixes := make(map[string][]string)
for _, file := range files {
if strings.Count(file, "/") == 1 {
groupingPrefixes[file] = []string{}
}
}
for _, file := range files {
for k := range groupingPrefixes {
if strings.HasPrefix(file, k) {
groupingPrefixes[k] = append(groupingPrefixes[k], file)
break
}
}
}
return groupingPrefixes
}