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Merge pull request #147 from orelmisan/refactor_vmi_creation
[traffic-gen-in-vm] Refactor VMI creation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| /* | ||
| * This file is part of the kiagnose project | ||
| * | ||
| * 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. | ||
| * | ||
| * Copyright 2023 Red Hat, Inc. | ||
| * | ||
| */ | ||
|
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| package checkup | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
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| k8scorev1 "k8s.io/api/core/v1" | ||
| kvcorev1 "kubevirt.io/api/core/v1" | ||
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| "github.com/kiagnose/kubevirt-dpdk-checkup/pkg/internal/checkup/vmi" | ||
| "github.com/kiagnose/kubevirt-dpdk-checkup/pkg/internal/config" | ||
| ) | ||
|
|
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| const ( | ||
| VMIUnderTestNamePrefix = "vmi-under-test" | ||
| TrafficGenNamePrefix = "dpdk-traffic-gen" | ||
| ) | ||
|
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| const DPDKCheckupUIDLabelKey = "kubevirt-dpdk-checkup/uid" | ||
|
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| const ( | ||
| CPUSocketsCount = 1 | ||
| CPUCoresCount = 4 | ||
| CPUTreadsCount = 2 | ||
| hugePageSize = "1Gi" | ||
| guestMemory = "4Gi" | ||
| rootDiskName = "rootdisk" | ||
| cloudInitDiskName = "cloudinitdisk" | ||
| eastNetworkName = "nic-east" | ||
| westNetworkName = "nic-west" | ||
|
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| terminationGracePeriodSeconds = 0 | ||
| ) | ||
|
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| func newVMIUnderTest(name string, checkupConfig config.Config) *kvcorev1.VirtualMachineInstance { | ||
| optionsToApply := baseOptions(checkupConfig) | ||
|
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| optionsToApply = append(optionsToApply, | ||
| vmi.WithAffinity(Affinity(checkupConfig.DPDKNodeLabelSelector, checkupConfig.PodUID)), | ||
| vmi.WithSRIOVInterface(eastNetworkName, checkupConfig.DPDKEastMacAddress.String(), config.VMIEastNICPCIAddress), | ||
| vmi.WithSRIOVInterface(westNetworkName, checkupConfig.DPDKWestMacAddress.String(), config.VMIWestNICPCIAddress), | ||
| vmi.WithContainerDisk(rootDiskName, checkupConfig.VMContainerDiskImage), | ||
| vmi.WithCloudInitNoCloudVolume(cloudInitDiskName, CloudInit(config.VMIUsername, config.VMIPassword)), | ||
| ) | ||
|
|
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| return vmi.New(name, optionsToApply...) | ||
| } | ||
|
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| func newTrafficGen(name string, checkupConfig config.Config) *kvcorev1.VirtualMachineInstance { | ||
| optionsToApply := baseOptions(checkupConfig) | ||
|
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| optionsToApply = append(optionsToApply, | ||
| vmi.WithAffinity(Affinity(checkupConfig.TrafficGeneratorNodeLabelSelector, checkupConfig.PodUID)), | ||
| vmi.WithSRIOVInterface(eastNetworkName, checkupConfig.TrafficGeneratorEastMacAddress.String(), config.VMIEastNICPCIAddress), | ||
| vmi.WithSRIOVInterface(westNetworkName, checkupConfig.TrafficGeneratorWestMacAddress.String(), config.VMIWestNICPCIAddress), | ||
| vmi.WithContainerDisk(rootDiskName, checkupConfig.TrafficGeneratorImage), | ||
| vmi.WithCloudInitNoCloudVolume(cloudInitDiskName, CloudInit(config.VMIUsername, config.VMIPassword)), | ||
| ) | ||
|
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| return vmi.New(name, optionsToApply...) | ||
| } | ||
|
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| func baseOptions(checkupConfig config.Config) []vmi.Option { | ||
| labels := map[string]string{ | ||
| DPDKCheckupUIDLabelKey: checkupConfig.PodUID, | ||
| } | ||
|
|
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| return []vmi.Option{ | ||
| vmi.WithOwnerReference(checkupConfig.PodName, checkupConfig.PodUID), | ||
| vmi.WithLabels(labels), | ||
| vmi.WithoutCRIOCPULoadBalancing(), | ||
| vmi.WithoutCRIOCPUQuota(), | ||
| vmi.WithoutCRIOIRQLoadBalancing(), | ||
| vmi.WithDedicatedCPU(CPUSocketsCount, CPUCoresCount, CPUTreadsCount), | ||
| vmi.WithMemory(hugePageSize, guestMemory), | ||
| vmi.WithNetworkInterfaceMultiQueue(), | ||
| vmi.WithRandomNumberGenerator(), | ||
| vmi.WithTerminationGracePeriodSeconds(terminationGracePeriodSeconds), | ||
| vmi.WithMultusNetwork(eastNetworkName, checkupConfig.NetworkAttachmentDefinitionName), | ||
| vmi.WithMultusNetwork(westNetworkName, checkupConfig.NetworkAttachmentDefinitionName), | ||
| vmi.WithVirtIODisk(rootDiskName), | ||
| vmi.WithVirtIODisk(cloudInitDiskName), | ||
| } | ||
| } | ||
|
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| func Affinity(nodeName, ownerUID string) *k8scorev1.Affinity { | ||
| var affinity k8scorev1.Affinity | ||
| if nodeName != "" { | ||
| affinity.NodeAffinity = vmi.NewRequiredNodeAffinity(nodeName) | ||
| } else { | ||
| affinity.PodAntiAffinity = vmi.NewPreferredPodAntiAffinity(DPDKCheckupUIDLabelKey, ownerUID) | ||
| } | ||
|
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| return &affinity | ||
| } | ||
|
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| func CloudInit(username, password string) string { | ||
| sb := strings.Builder{} | ||
| sb.WriteString("#cloud-config\n") | ||
| sb.WriteString(fmt.Sprintf("user: %s\n", username)) | ||
| sb.WriteString(fmt.Sprintf("password: %s\n", password)) | ||
| sb.WriteString("chpasswd:\n") | ||
| sb.WriteString(" expire: false") | ||
|
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| return sb.String() | ||
| } |
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