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Add minimum iptables sync period to the proxy, default is 2/sec

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Timothy St. Clair
2016-10-21 04:40:46 -05:00
parent a96f028208
commit 2b012e822a
13 changed files with 70 additions and 29 deletions
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3
cmd/kube-proxy/app/options/options.go
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@@ -77,7 +77,8 @@ func (s *ProxyServerConfig) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&s.HostnameOverride, "hostname-override", s.HostnameOverride, "If non-empty, will use this string as identification instead of the actual hostname.")
fs.Var(&s.Mode, "proxy-mode", "Which proxy mode to use: 'userspace' (older) or 'iptables' (faster). If blank, look at the Node object on the Kubernetes API and respect the '"+ExperimentalProxyModeAnnotation+"' annotation if provided. Otherwise use the best-available proxy (currently iptables). If the iptables proxy is selected, regardless of how, but the system's kernel or iptables versions are insufficient, this always falls back to the userspace proxy.")
fs.Int32Var(s.IPTablesMasqueradeBit, "iptables-masquerade-bit", util.Int32PtrDerefOr(s.IPTablesMasqueradeBit, 14), "If using the pure iptables proxy, the bit of the fwmark space to mark packets requiring SNAT with. Must be within the range [0, 31].")
fs.DurationVar(&s.IPTablesSyncPeriod.Duration, "iptables-sync-period", s.IPTablesSyncPeriod.Duration, "How often iptables rules are refreshed (e.g. '5s', '1m', '2h22m'). Must be greater than 0.")
fs.DurationVar(&s.IPTablesSyncPeriod.Duration, "iptables-sync-period", s.IPTablesSyncPeriod.Duration, "The maximum interval of how often iptables rules are refreshed (e.g. '5s', '1m', '2h22m'). Must be greater than 0.")
fs.DurationVar(&s.IPTablesMinSyncPeriod.Duration, "iptables-min-sync-period", s.IPTablesMinSyncPeriod.Duration, "The minimum interval of how often the iptables rules can be refreshed as endpoints and services change (e.g. '5s', '1m', '2h22m'). Must be greater than 0.")
fs.DurationVar(&s.ConfigSyncPeriod, "config-sync-period", s.ConfigSyncPeriod, "How often configuration from the apiserver is refreshed. Must be greater than 0.")
fs.BoolVar(&s.MasqueradeAll, "masquerade-all", s.MasqueradeAll, "If using the pure iptables proxy, SNAT everything")
fs.StringVar(&s.ClusterCIDR, "cluster-cidr", s.ClusterCIDR, "The CIDR range of pods in the cluster. It is used to bridge traffic coming from outside of the cluster. If not provided, no off-cluster bridging will be performed.")