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Update tap targets without reinitializing packet source manager (#925)

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This commit is contained in:
Nimrod Gilboa Markevich
2022-03-24 15:39:20 +02:00
committed by GitHub
parent 763b0e7362
commit 99667984d6
2 changed files with 21 additions and 9 deletions
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24
tap/source/packet_source_manager.go
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@@ -11,8 +11,16 @@ import (
const bpfFilterMaxPods = 150
const hostSourcePid = "0"
type PacketSourceManagerConfig struct {
mtls bool
procfs string
interfaceName string
behaviour TcpPacketSourceBehaviour
}
type PacketSourceManager struct {
sources map[string]*tcpPacketSource
config PacketSourceManagerConfig
}
func NewPacketSourceManager(procfs string, filename string, interfaceName string,
@@ -28,7 +36,14 @@ func NewPacketSourceManager(procfs string, filename string, interfaceName string
},
}
sourceManager.UpdatePods(mtls, procfs, pods, interfaceName, behaviour)
sourceManager.config = PacketSourceManagerConfig{
mtls: mtls,
procfs: procfs,
interfaceName: interfaceName,
behaviour: behaviour,
}
sourceManager.UpdatePods(pods)
return sourceManager, nil
}
@@ -49,10 +64,9 @@ func newHostPacketSource(filename string, interfaceName string,
return source, nil
}
func (m *PacketSourceManager) UpdatePods(mtls bool, procfs string, pods []v1.Pod,
interfaceName string, behaviour TcpPacketSourceBehaviour) {
if mtls {
m.updateMtlsPods(procfs, pods, interfaceName, behaviour)
func (m *PacketSourceManager) UpdatePods(pods []v1.Pod) {
if m.config.mtls {
m.updateMtlsPods(m.config.procfs, pods, m.config.interfaceName, m.config.behaviour)
}
m.setBPFFilter(pods)