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koordlet: tc plugin for netqos (#1920)
Signed-off-by: lucming <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| /* | ||
| Copyright 2022 The Koordinator 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 tc | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| "k8s.io/apimachinery/pkg/api/resource" | ||
| "k8s.io/apimachinery/pkg/util/intstr" | ||
|
|
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| slov1alpha1 "github.com/koordinator-sh/koordinator/apis/slo/v1alpha1" | ||
| ) | ||
|
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| func loadConfigFromNodeSlo(nodesloSpec *slov1alpha1.NodeSLOSpec) *NetQosGlobalConfig { | ||
| res := NetQosGlobalConfig{} | ||
| var total uint64 = 0 | ||
| if nodesloSpec != nil && nodesloSpec.SystemStrategy != nil { | ||
| total = uint64(nodesloSpec.SystemStrategy.TotalNetworkBandwidth.Value()) | ||
| res.HwRxBpsMax = total | ||
| res.HwTxBpsMax = total | ||
| } | ||
|
|
||
| if nodesloSpec.ResourceQOSStrategy == nil { | ||
| return &res | ||
| } | ||
|
|
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| strategy := nodesloSpec.ResourceQOSStrategy | ||
| if strategy.LSClass != nil && | ||
| strategy.LSClass.NetworkQOS != nil && | ||
| *strategy.LSClass.NetworkQOS.Enable { | ||
| cur := strategy.LSClass.NetworkQOS | ||
| res.L1RxBpsMin = getBandwidthVal(total, cur.IngressRequest) | ||
| res.L1RxBpsMax = getBandwidthVal(total, cur.IngressLimit) | ||
| res.L1TxBpsMin = getBandwidthVal(total, cur.EgressRequest) | ||
| res.L1TxBpsMax = getBandwidthVal(total, cur.EgressLimit) | ||
| } | ||
|
|
||
| if strategy.BEClass != nil && | ||
| strategy.BEClass.NetworkQOS != nil && | ||
| *strategy.BEClass.NetworkQOS.Enable { | ||
| cur := strategy.BEClass.NetworkQOS | ||
| res.L2RxBpsMin = getBandwidthVal(total, cur.IngressRequest) | ||
| res.L2RxBpsMax = getBandwidthVal(total, cur.IngressLimit) | ||
| res.L2TxBpsMin = getBandwidthVal(total, cur.EgressRequest) | ||
| res.L2TxBpsMax = getBandwidthVal(total, cur.EgressLimit) | ||
| } | ||
|
|
||
| return &res | ||
| } | ||
|
|
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| func getBandwidthVal(total uint64, intOrPercent *intstr.IntOrString) uint64 { | ||
| if intOrPercent == nil { | ||
| return 0 | ||
| } | ||
|
|
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| switch intOrPercent.Type { | ||
| case intstr.String: | ||
| return getBandwidthByQuantityFormat(intOrPercent.StrVal) | ||
| case intstr.Int: | ||
| return getBandwidthByPercentageFormat(total, intOrPercent.IntValue()) | ||
| default: | ||
| return 0 | ||
| } | ||
| } | ||
|
|
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| func getBandwidthByQuantityFormat(quanityStr string) uint64 { | ||
| val, err := resource.ParseQuantity(quanityStr) | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
|
|
||
| return uint64(val.Value()) | ||
| } | ||
|
|
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| func getBandwidthByPercentageFormat(total uint64, percentage int) uint64 { | ||
| if percentage < 0 || percentage > 100 { | ||
| return 0 | ||
| } | ||
|
|
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| return total * uint64(percentage) / 100 | ||
| } | ||
|
|
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| func convertToClassId(major, minor int) string { | ||
| return fmt.Sprintf("%d:%d", major, minor) | ||
| } | ||
|
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| // convertToHexClassId get class id in hex. | ||
| func convertToHexClassId(major, minor int) uint32 { | ||
| hexVal := fmt.Sprintf("%d%04d", major, minor) | ||
| decimalVal, _ := strconv.ParseUint(hexVal, 16, 32) | ||
| return uint32(decimalVal) | ||
| } | ||
|
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| // convertIpToHex convert ip to it's hex format | ||
| // 10.211.248.149 => 0ad3f895 | ||
| func convertIpToHex(ip string) string { | ||
| result := "" | ||
| elems := strings.Split(ip, ".") | ||
| for _, elem := range elems { | ||
| cur, _ := strconv.Atoi(elem) | ||
| hex := fmt.Sprintf("%x", cur) | ||
| // each ip segment takes up two hexadecimal digits, and when it does not take up all the bits, | ||
| // it needs to be filled with 0. | ||
| for i := 0; i < 2-len(hex); i++ { | ||
| hex = "0" + hex | ||
| } | ||
| result += hex | ||
| } | ||
|
|
||
| return result | ||
| } |
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