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Original file line number | Diff line number | Diff line change |
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/* | ||
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. | ||
*/ | ||
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package tc | ||
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import ( | ||
"fmt" | ||
"strconv" | ||
"strings" | ||
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"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 | ||
} | ||
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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) | ||
} | ||
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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) | ||
} | ||
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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 | ||
} | ||
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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 | ||
} | ||
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return result | ||
} |
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