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Update internal traffic shaping docs

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This commit is contained in:
Johannes M. Scheuermann 2019-08-08 16:23:40 +02:00
parent cbdb20c10d
commit cfb24eeebc
1 changed files with 4 additions and 4 deletions
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8
pkg/kubelet/dockershim/network/cni/cni.go
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@ -87,12 +87,12 @@ 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"` 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 // 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. // 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"` 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"` 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 // 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. // 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"` EgressBurst int `json:"egressBurst,omitempty"`
} }
@ -409,11 +409,11 @@ func (plugin *cniNetworkPlugin) buildCNIRuntimeConf(podName string, podNs string
// https://github.com/containernetworking/plugins/blob/master/plugins/meta/bandwidth/README.md // https://github.com/containernetworking/plugins/blob/master/plugins/meta/bandwidth/README.md
// Rates are in bits per second, burst values are in bits. // Rates are in bits per second, burst values are in bits.
bandwidthParam.IngressRate = int(ingress.Value()) bandwidthParam.IngressRate = int(ingress.Value())
bandwidthParam.IngressBurst = math.MaxInt32 // no limit bandwidthParam.IngressBurst = math.MaxInt32 // limit to math.MaxInt32 ~ 2Gbit
} }
if egress != nil { if egress != nil {
bandwidthParam.EgressRate = int(egress.Value()) bandwidthParam.EgressRate = int(egress.Value())
bandwidthParam.EgressBurst = math.MaxInt32 // no limit bandwidthParam.EgressBurst = math.MaxInt32 // limit to math.MaxInt32 ~ 2Gbit
} }
rt.CapabilityArgs["bandwidth"] = bandwidthParam rt.CapabilityArgs["bandwidth"] = bandwidthParam
} }