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Merge pull request #81165 from johscheuer/update-traffic-shaping-docs

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Update internal traffic shaping docs
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Kubernetes Prow Robot 2020-05-17 03:01:35 -07:00 committed by GitHub
commit 55d71532c0
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1 changed files with 10 additions and 8 deletions
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18
pkg/kubelet/dockershim/network/cni/cni.go
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@ -94,15 +94,15 @@ type cniPortMapping struct {
// see: https://github.com/containernetworking/cni/blob/master/CONVENTIONS.md and
// https://github.com/containernetworking/plugins/blob/master/plugins/meta/bandwidth/README.md
type cniBandwidthEntry struct {
// IngressRate is the bandwidth rate in bits per second for traffic through container. 0 for no limit. If ingressRate is set, ingressBurst must also be set
// IngressRate is the bandwidth rate in bits per second for traffic through container. 0 for no limit. If IngressRate is set, IngressBurst must also be set
IngressRate int `json:"ingressRate,omitempty"`
// IngressBurst is the bandwidth burst in bits for traffic through container. 0 for no limit. If ingressBurst is set, ingressRate must also be set
// NOTE: it's not used for now and default to 0.
// IngressBurst is the bandwidth burst in bits for traffic through container. 0 for no limit. If IngressBurst is set, IngressRate must also be set
// NOTE: it's not used for now and defaults to 0. If IngressRate is set IngressBurst will be math.MaxInt32 ~ 2Gbit
IngressBurst int `json:"ingressBurst,omitempty"`
// EgressRate is the bandwidth is the bandwidth rate in bits per second for traffic through container. 0 for no limit. If egressRate is set, egressBurst must also be set
// EgressRate is the bandwidth is the bandwidth rate in bits per second for traffic through container. 0 for no limit. If EgressRate is set, EgressBurst must also be set
EgressRate int `json:"egressRate,omitempty"`
// EgressBurst is the bandwidth burst in bits for traffic through container. 0 for no limit. If egressBurst is set, egressRate must also be set
// NOTE: it's not used for now and default to 0.
// EgressBurst is the bandwidth burst in bits for traffic through container. 0 for no limit. If EgressBurst is set, EgressRate must also be set
// NOTE: it's not used for now and defaults to 0. If EgressRate is set EgressBurst will be math.MaxInt32 ~ 2Gbit
EgressBurst int `json:"egressBurst,omitempty"`
}
@ -438,11 +438,13 @@ func (plugin *cniNetworkPlugin) buildCNIRuntimeConf(podName string, podNs string
// https://github.com/containernetworking/plugins/blob/master/plugins/meta/bandwidth/README.md
// Rates are in bits per second, burst values are in bits.
bandwidthParam.IngressRate = int(ingress.Value())
bandwidthParam.IngressBurst = math.MaxInt32 // no limit
// Limit IngressBurst to math.MaxInt32, in practice limiting to 2Gbit is the equivalent of setting no limit
bandwidthParam.IngressBurst = math.MaxInt32
}
if egress != nil {
bandwidthParam.EgressRate = int(egress.Value())
bandwidthParam.EgressBurst = math.MaxInt32 // no limit
// Limit EgressBurst to math.MaxInt32, in practice limiting to 2Gbit is the equivalent of setting no limit
bandwidthParam.EgressBurst = math.MaxInt32
}
rt.CapabilityArgs[bandwidthCapability] = bandwidthParam
}