test/integration/ipamperf/main_test.go

/*
Copyright 2018 The Kubernetes 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 ipamperf

import (
	"flag"
	"testing"

	"k8s.io/klog/v2"
	"k8s.io/kubernetes/pkg/controller/nodeipam/ipam"
	"k8s.io/kubernetes/test/integration/framework"
)

var (
	resultsLogFile string
	isCustom       bool
	customConfig   = &Config{
		NumNodes:      10,
		KubeQPS:       30,
		CloudQPS:      30,
		CreateQPS:     100,
		AllocatorType: ipam.RangeAllocatorType,
	}
)

func TestMain(m *testing.M) {
	allocator := string(ipam.RangeAllocatorType)

	flag.StringVar(&resultsLogFile, "log", "", "log file to write JSON results to")
	flag.BoolVar(&isCustom, "custom", false, "enable custom test configuration")
	flag.StringVar(&allocator, "allocator", allocator, "allocator to use")
	flag.IntVar(&customConfig.KubeQPS, "kube-qps", customConfig.KubeQPS, "API server qps for allocations")
	flag.IntVar(&customConfig.NumNodes, "num-nodes", 10, "number of nodes to simulate")
	flag.IntVar(&customConfig.CreateQPS, "create-qps", customConfig.CreateQPS, "API server qps for node creation")
	flag.IntVar(&customConfig.CloudQPS, "cloud-qps", customConfig.CloudQPS, "GCE Cloud qps limit")
	flag.Parse()

	switch allocator {
	case string(ipam.RangeAllocatorType):
		customConfig.AllocatorType = ipam.RangeAllocatorType
	case string(ipam.CloudAllocatorType):
		customConfig.AllocatorType = ipam.CloudAllocatorType
	case string(ipam.IPAMFromCloudAllocatorType):
		customConfig.AllocatorType = ipam.IPAMFromCloudAllocatorType
	case string(ipam.IPAMFromClusterAllocatorType):
		customConfig.AllocatorType = ipam.IPAMFromClusterAllocatorType
	default:
		klog.Fatalf("Unknown allocator type: %s", allocator)
	}

	framework.EtcdMain(m.Run)
}