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schedule.go
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schedule.go
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package schedule
import (
"context"
"fmt"
"math/rand"
"strings"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/vmware-tanzu/velero/test/e2e"
. "github.com/vmware-tanzu/velero/test/e2e/test"
. "github.com/vmware-tanzu/velero/test/e2e/util/k8s"
. "github.com/vmware-tanzu/velero/test/e2e/util/velero"
)
type ScheduleBackup struct {
TestCase
ScheduleName string
ScheduleArgs []string
Period int //Limitation: The unit is minitue only and 60 is divisible by it
randBackupName string
verifyTimes int
}
var ScheduleBackupTest func() = TestFunc(&ScheduleBackup{TestCase: TestCase{NSBaseName: "schedule-test"}})
func (n *ScheduleBackup) Init() error {
n.Client = TestClientInstance
n.Period = 3 // Unit is minute
n.verifyTimes = 5 // More verify times more confidence
n.TestMsg = &TestMSG{
Desc: "Set up a scheduled backup defined by a Cron expression",
FailedMSG: "Failed to schedule a backup",
Text: "should backup periodly according to the schedule",
}
return nil
}
func (n *ScheduleBackup) StartRun() error {
n.NSIncluded = &[]string{fmt.Sprintf("%s-%s", n.NSBaseName, "ns")}
n.ScheduleName = n.ScheduleName + "schedule-" + UUIDgen.String()
n.RestoreName = n.RestoreName + "restore-ns-mapping-" + UUIDgen.String()
n.ScheduleArgs = []string{
"--include-namespaces", strings.Join(*n.NSIncluded, ","),
"--schedule=*/" + fmt.Sprintf("%v", n.Period) + " * * * *",
}
Expect(n.Period < 30).To(Equal(true))
return nil
}
func (n *ScheduleBackup) CreateResources() error {
n.Ctx, _ = context.WithTimeout(context.Background(), 60*time.Minute)
for _, ns := range *n.NSIncluded {
By(fmt.Sprintf("Creating namespaces %s ......\n", ns), func() {
Expect(CreateNamespace(n.Ctx, n.Client, ns)).To(Succeed(), fmt.Sprintf("Failed to create namespace %s", ns))
})
configmaptName := n.NSBaseName
fmt.Printf("Creating configmap %s in namespaces ...%s\n", configmaptName, ns)
_, err := CreateConfigMap(n.Client.ClientGo, ns, configmaptName, nil)
Expect(err).To(Succeed(), fmt.Sprintf("failed to create configmap in the namespace %q", ns))
Expect(WaitForConfigMapComplete(n.Client.ClientGo, ns, configmaptName)).To(Succeed(),
fmt.Sprintf("ailed to ensure secret completion in namespace: %q", ns))
}
return nil
}
func (n *ScheduleBackup) Backup() error {
// Wait until the beginning of the given period to create schedule, it will give us
// a predictable period to wait for the first scheduled backup, and verify no immediate
// scheduled backup was created between schedule creation and first scheduled backup.
By(fmt.Sprintf("Creating schedule %s ......\n", n.ScheduleName), func() {
for i := 0; i < n.Period*60/30; i++ {
time.Sleep(30 * time.Second)
now := time.Now().Minute()
triggerNow := now % n.Period
if triggerNow == 0 {
Expect(VeleroScheduleCreate(n.Ctx, VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace, n.ScheduleName, n.ScheduleArgs)).To(Succeed(), func() string {
RunDebug(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace, "", "")
return "Fail to restore workload"
})
break
}
}
})
return nil
}
func (n *ScheduleBackup) Destroy() error {
By(fmt.Sprintf("Schedule %s is created without any delay\n", n.ScheduleName), func() {
creationTimestamp, err := GetSchedule(context.Background(), VeleroCfg.VeleroNamespace, n.ScheduleName)
Expect(err).To(Succeed())
creationTime, err := time.Parse(time.RFC3339, strings.Replace(creationTimestamp, "'", "", -1))
Expect(err).To(Succeed())
fmt.Printf("Schedule %s created at %s\n", n.ScheduleName, creationTime)
now := time.Now()
diff := creationTime.Sub(now)
Expect(diff.Minutes() < 1).To(Equal(true))
})
By(fmt.Sprintf("No immediate backup is created by schedule %s\n", n.ScheduleName), func() {
for i := 0; i < n.Period; i++ {
time.Sleep(1 * time.Minute)
now := time.Now()
fmt.Printf("Get backup for #%d time at %v\n", i, now)
//Ignore the last minute in the period avoiding met the 1st backup by schedule
if i != n.Period-1 {
backupsInfo, err := GetScheduledBackupsCreationTime(context.Background(), VeleroCfg.VeleroCLI, "default", n.ScheduleName)
Expect(err).To(Succeed())
Expect(len(backupsInfo) == 0).To(Equal(true))
}
}
})
By("Delay one more minute to make sure the new backup was created in the given period", func() {
time.Sleep(1 * time.Minute)
})
By(fmt.Sprintf("Get backups every %d minute, and backups count should increase 1 more step in the same pace\n", n.Period), func() {
for i := 0; i < n.verifyTimes; i++ {
fmt.Printf("Start to sleep %d minute #%d time...\n", n.Period, i+1)
time.Sleep(time.Duration(n.Period) * time.Minute)
bMap := make(map[string]string)
backupsInfo, err := GetScheduledBackupsCreationTime(context.Background(), VeleroCfg.VeleroCLI, "default", n.ScheduleName)
Expect(err).To(Succeed())
Expect(len(backupsInfo) == i+2).To(Equal(true))
for index, bi := range backupsInfo {
bList := strings.Split(bi, ",")
fmt.Printf("Backup %d: %v\n", index, bList)
bMap[bList[0]] = bList[1]
_, err := time.Parse("2006-01-02 15:04:05 -0700 MST", bList[1])
Expect(err).To(Succeed())
}
if i == n.verifyTimes-1 {
backupInfo := backupsInfo[rand.Intn(len(backupsInfo))]
n.randBackupName = strings.Split(backupInfo, ",")[0]
}
}
})
n.BackupName = strings.Replace(n.randBackupName, " ", "", -1)
By("Delete all namespaces", func() {
Expect(CleanupNamespacesWithPoll(n.Ctx, n.Client, n.NSBaseName)).To(Succeed(), "Could cleanup retrieve namespaces")
})
n.RestoreArgs = []string{
"create", "--namespace", VeleroCfg.VeleroNamespace, "restore", n.RestoreName,
"--from-backup", n.BackupName,
"--wait",
}
backupsInfo, err := GetScheduledBackupsCreationTime(context.Background(), VeleroCfg.VeleroCLI, "default", n.ScheduleName)
Expect(err).To(Succeed(), fmt.Sprintf("Fail to get backups from schedule %s", n.ScheduleName))
fmt.Println(backupsInfo)
backupCount := len(backupsInfo)
By(fmt.Sprintf("Pause schedule %s ......\n", n.ScheduleName), func() {
Expect(VeleroSchedulePause(n.Ctx, VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace, n.ScheduleName)).To(Succeed(), func() string {
RunDebug(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace, "", "")
return "Fail to restore workload"
})
})
periodCount := 3
sleepDuration := time.Duration(n.Period*periodCount) * time.Minute
By(fmt.Sprintf("Sleep for %s ......\n", sleepDuration), func() {
time.Sleep(sleepDuration)
})
backupsInfo, err = GetScheduledBackupsCreationTime(context.Background(), VeleroCfg.VeleroCLI, "default", n.ScheduleName)
Expect(err).To(Succeed(), fmt.Sprintf("Fail to get backups from schedule %s", n.ScheduleName))
backupCountPostPause := len(backupsInfo)
fmt.Printf("After pause, backkups count is %d\n", backupCountPostPause)
By(fmt.Sprintf("Verify no new backups from %s ......\n", n.ScheduleName), func() {
Expect(backupCountPostPause == backupCount).To(Equal(true))
})
By(fmt.Sprintf("Unpause schedule %s ......\n", n.ScheduleName), func() {
Expect(VeleroScheduleUnpause(n.Ctx, VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace, n.ScheduleName)).To(Succeed(), func() string {
RunDebug(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace, "", "")
return "Fail to unpause schedule"
})
})
By(fmt.Sprintf("Sleep for %s ......\n", sleepDuration), func() {
time.Sleep(sleepDuration)
})
backupsInfo, err = GetScheduledBackupsCreationTime(context.Background(), VeleroCfg.VeleroCLI, "default", n.ScheduleName)
Expect(err).To(Succeed(), fmt.Sprintf("Fail to get backups from schedule %s", n.ScheduleName))
fmt.Println(backupsInfo)
backupCountPostUnpause := len(backupsInfo)
fmt.Printf("After unpause, backkups count is %d\n", backupCountPostUnpause)
By(fmt.Sprintf("Verify no new backups by schedule %s ......\n", n.ScheduleName), func() {
Expect(backupCountPostUnpause-backupCount >= periodCount-1).To(Equal(true))
})
return nil
}
func (n *ScheduleBackup) Verify() error {
By("Namespaces were restored", func() {
for _, ns := range *n.NSIncluded {
configmap, err := GetConfigmap(n.Client.ClientGo, ns, n.NSBaseName)
fmt.Printf("Restored configmap is %v\n", configmap)
Expect(err).ShouldNot(HaveOccurred(), fmt.Sprintf("failed to list configmap in namespace: %q\n", ns))
}
})
return nil
}