/
test_performance.go
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/
test_performance.go
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// Copyright 2023 The ClusterLink Authors.
// 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 k8s
import (
"fmt"
"github.com/stretchr/testify/require"
"github.com/clusterlink-net/clusterlink/tests/e2e/k8s/services/iperf3"
"github.com/clusterlink-net/clusterlink/tests/e2e/k8s/util"
)
func (s *TestSuite) TestPerformance() {
// measure baseline performance
baseBPS, err := iperf3.RunClient(s.clusters[0], &iperf3Service)
require.Nil(s.T(), err)
s.exportLogs()
fmt.Printf("Baseline performance: %.2f Gbit/s\n", baseBPS/(1024*1024*1024))
s.RunOnAllDataplaneTypes(func(cfg *util.PeerConfig) {
// iperf is expected to generate many MBs of traffic
cfg.ExpectLargeDataplaneTraffic = true
cl, err := s.fabric.DeployClusterlinks(2, cfg)
require.Nil(s.T(), err)
require.Nil(s.T(), cl[0].CreateService(&iperf3Service))
require.Nil(s.T(), cl[0].CreateExport(&iperf3Service))
require.Nil(s.T(), cl[0].CreatePolicy(util.PolicyAllowAll))
require.Nil(s.T(), cl[1].CreatePeer(cl[0]))
importedService := &util.Service{
Name: iperf3Service.Name,
Namespace: cl[1].Namespace(),
Port: 80,
}
require.Nil(s.T(), cl[1].CreateImport(importedService, cl[0], iperf3Service.Name))
require.Nil(s.T(), cl[1].CreatePolicy(util.PolicyAllowAll))
bps, err := iperf3.RunClient(cl[1].Cluster(), importedService)
require.Nil(s.T(), err)
fmt.Printf("Performance drop: %.2f\n", baseBPS/bps)
})
}