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Remove Linux and Windows Kube-proxy Userspace mode

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This commit is contained in:
Amim Knabben
2022-08-30 17:40:35 -03:00
parent 44a0b4e145
commit 7df6c02288
41 changed files with 87 additions and 7961 deletions
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22
cmd/kube-proxy/app/server.go
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@@ -160,7 +160,7 @@ func (o *Options) AddFlags(fs *pflag.FlagSet) {
fs.Var(&utilflag.IPPortVar{Val: &o.config.MetricsBindAddress}, "metrics-bind-address", "The IP address with port for the metrics server to serve on (set to '0.0.0.0:10249' for all IPv4 interfaces and '[::]:10249' for all IPv6 interfaces). Set empty to disable. This parameter is ignored if a config file is specified by --config.")
fs.BoolVar(&o.config.BindAddressHardFail, "bind-address-hard-fail", o.config.BindAddressHardFail, "If true kube-proxy will treat failure to bind to a port as fatal and exit")
fs.Var(utilflag.PortRangeVar{Val: &o.config.PortRange}, "proxy-port-range", "Range of host ports (beginPort-endPort, single port or beginPort+offset, inclusive) that may be consumed in order to proxy service traffic. If (unspecified, 0, or 0-0) then ports will be randomly chosen.")
fs.Var(&o.config.Mode, "proxy-mode", "Which proxy mode to use: 'iptables' (Linux-only), 'ipvs' (Linux-only), 'kernelspace' (Windows-only), or 'userspace' (Linux/Windows, deprecated). The default value is 'iptables' on Linux and 'userspace' on Windows(will be 'kernelspace' in a future release). "+
fs.Var(&o.config.Mode, "proxy-mode", "Which proxy mode to use: on Linux this can be 'iptables' (default) or 'ipvs'. On Windows the only supported value is 'kernelspace'."+
"This parameter is ignored if a config file is specified by --config.")
fs.Var(cliflag.NewMapStringBool(&o.config.FeatureGates), "feature-gates", "A set of key=value pairs that describe feature gates for alpha/experimental features. "+
"Options are:\n"+strings.Join(utilfeature.DefaultFeatureGate.KnownFeatures(), "\n")+"\n"+
@@ -191,7 +191,6 @@ func (o *Options) AddFlags(fs *pflag.FlagSet) {
o.config.Conntrack.TCPCloseWaitTimeout.Duration,
"NAT timeout for TCP connections in the CLOSE_WAIT state")
fs.DurationVar(&o.config.ConfigSyncPeriod.Duration, "config-sync-period", o.config.ConfigSyncPeriod.Duration, "How often configuration from the apiserver is refreshed. Must be greater than 0.")
fs.DurationVar(&o.config.UDPIdleTimeout.Duration, "udp-timeout", o.config.UDPIdleTimeout.Duration, "How long an idle UDP connection will be kept open (e.g. '250ms', '2s'). Must be greater than 0. Only applicable for proxy-mode=userspace")
fs.BoolVar(&o.config.IPVS.StrictARP, "ipvs-strict-arp", o.config.IPVS.StrictARP, "Enable strict ARP by setting arp_ignore to 1 and arp_announce to 2")
fs.BoolVar(&o.config.IPTables.MasqueradeAll, "masquerade-all", o.config.IPTables.MasqueradeAll, "If using the pure iptables proxy, SNAT all traffic sent via Service cluster IPs (this not commonly needed)")
@@ -539,7 +538,6 @@ type ProxyServer struct {
MetricsBindAddress string
BindAddressHardFail bool
EnableProfiling bool
UseEndpointSlices bool
OOMScoreAdj *int32
ConfigSyncPeriod time.Duration
HealthzServer healthcheck.ProxierHealthUpdater
@@ -738,7 +736,7 @@ func (s *ProxyServer) Run() error {
options.LabelSelector = labelSelector.String()
}))
// Create configs (i.e. Watches for Services and Endpoints or EndpointSlices)
// Create configs (i.e. Watches for Services and EndpointSlices)
// Note: RegisterHandler() calls need to happen before creation of Sources because sources
// only notify on changes, and the initial update (on process start) may be lost if no handlers
// are registered yet.
@@ -746,18 +744,12 @@ func (s *ProxyServer) Run() error {
serviceConfig.RegisterEventHandler(s.Proxier)
go serviceConfig.Run(wait.NeverStop)
if endpointsHandler, ok := s.Proxier.(config.EndpointsHandler); ok && !s.UseEndpointSlices {
endpointsConfig := config.NewEndpointsConfig(informerFactory.Core().V1().Endpoints(), s.ConfigSyncPeriod)
endpointsConfig.RegisterEventHandler(endpointsHandler)
go endpointsConfig.Run(wait.NeverStop)
} else {
endpointSliceConfig := config.NewEndpointSliceConfig(informerFactory.Discovery().V1().EndpointSlices(), s.ConfigSyncPeriod)
endpointSliceConfig.RegisterEventHandler(s.Proxier)
go endpointSliceConfig.Run(wait.NeverStop)
}
endpointSliceConfig := config.NewEndpointSliceConfig(informerFactory.Discovery().V1().EndpointSlices(), s.ConfigSyncPeriod)
endpointSliceConfig.RegisterEventHandler(s.Proxier)
go endpointSliceConfig.Run(wait.NeverStop)
// This has to start after the calls to NewServiceConfig and NewEndpointsConfig because those
// functions must configure their shared informer event handlers first.
// This has to start after the calls to NewServiceConfig because that
// function must configure its shared informer event handlers first.
informerFactory.Start(wait.NeverStop)
if utilfeature.DefaultFeatureGate.Enabled(features.TopologyAwareHints) {