Add performance E2E test

Signed-off-by: Ming Qiu <mqiu@vmware.com>

test/perf/basic/basic.go

@@ -0,0 +1,58 @@
+/*
+Copyright 2021 the Velero contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package basic
+
+import (
+	"context"
+	"fmt"
+	"strings"
+	"time"
+
+	. "github.com/vmware-tanzu/velero/test"
+	. "github.com/vmware-tanzu/velero/test/perf/test"
+)
+
+type BasicTest struct {
+	TestCase
+}
+
+func (b *BasicTest) Init() error {
+	b.TestCase.Init()
+	b.Ctx, b.CtxCancel = context.WithTimeout(context.Background(), 1*time.Hour)
+	b.CaseBaseName = "backuprestore"
+	b.BackupName = "backup-" + b.CaseBaseName + "-" + b.UUIDgen
+	b.RestoreName = "restore-" + b.CaseBaseName + "-" + b.UUIDgen
+
+	b.BackupArgs = []string{
+		"create", "--namespace", VeleroCfg.VeleroNamespace, "backup", b.BackupName,
+		"--exclude-namespaces", strings.Join(*b.NSExcluded, ","),
+		"--default-volumes-to-fs-backup",
+		"--snapshot-volumes=false", "--wait",
+	}
+
+	b.RestoreArgs = []string{
+		"create", "--namespace", VeleroCfg.VeleroNamespace, "restore", b.RestoreName,
+		"--from-backup", b.BackupName, "--wait",
+	}
+
+	b.TestMsg = &TestMSG{
+		Desc:      "Do backup and restore resources for performance test",
+		FailedMSG: "Failed to backup and restore resources",
+		Text:      fmt.Sprintf("Should backup and restore resources success"),
+	}
+	return nil
+}